CN117838992B - Peripheral venous blood vessel infusion is with developing positioning device - Google Patents
Peripheral venous blood vessel infusion is with developing positioning device Download PDFInfo
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- CN117838992B CN117838992B CN202410158025.8A CN202410158025A CN117838992B CN 117838992 B CN117838992 B CN 117838992B CN 202410158025 A CN202410158025 A CN 202410158025A CN 117838992 B CN117838992 B CN 117838992B
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- 230000002093 peripheral effect Effects 0.000 title claims abstract description 17
- 210000004204 blood vessel Anatomy 0.000 title claims description 14
- 238000001802 infusion Methods 0.000 title claims description 3
- 230000007246 mechanism Effects 0.000 claims abstract description 90
- 238000003825 pressing Methods 0.000 claims abstract description 35
- 210000003462 vein Anatomy 0.000 claims description 25
- 230000007704 transition Effects 0.000 claims description 22
- 238000003384 imaging method Methods 0.000 claims description 20
- 210000000707 wrist Anatomy 0.000 claims description 11
- 238000004064 recycling Methods 0.000 claims description 3
- 238000012800 visualization Methods 0.000 claims 1
- 230000009471 action Effects 0.000 abstract description 7
- 230000002792 vascular Effects 0.000 abstract description 4
- 238000000034 method Methods 0.000 description 8
- 230000008569 process Effects 0.000 description 6
- 230000008859 change Effects 0.000 description 4
- 210000004247 hand Anatomy 0.000 description 3
- 210000003205 muscle Anatomy 0.000 description 3
- 238000011084 recovery Methods 0.000 description 3
- INGWEZCOABYORO-UHFFFAOYSA-N 2-(furan-2-yl)-7-methyl-1h-1,8-naphthyridin-4-one Chemical compound N=1C2=NC(C)=CC=C2C(O)=CC=1C1=CC=CO1 INGWEZCOABYORO-UHFFFAOYSA-N 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 2
- 108010002255 deoxyhemoglobin Proteins 0.000 description 2
- 201000010099 disease Diseases 0.000 description 2
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 2
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 238000010254 subcutaneous injection Methods 0.000 description 2
- 239000007929 subcutaneous injection Substances 0.000 description 2
- 210000001519 tissue Anatomy 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000001990 intravenous administration Methods 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
- A61M5/42—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests having means for desensitising skin, for protruding skin to facilitate piercing, or for locating point where body is to be pierced
- A61M5/427—Locating point where body is to be pierced, e.g. vein location means using ultrasonic waves, injection site templates
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/0059—Measuring for diagnostic purposes; Identification of persons using light, e.g. diagnosis by transillumination, diascopy, fluorescence
- A61B5/0075—Measuring for diagnostic purposes; Identification of persons using light, e.g. diagnosis by transillumination, diascopy, fluorescence by spectroscopy, i.e. measuring spectra, e.g. Raman spectroscopy, infrared absorption spectroscopy
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/48—Other medical applications
- A61B5/4887—Locating particular structures in or on the body
- A61B5/489—Blood vessels
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
- A61M5/14—Infusion devices, e.g. infusing by gravity; Blood infusion; Accessories therefor
- A61M5/158—Needles for infusions; Accessories therefor, e.g. for inserting infusion needles, or for holding them on the body
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
- A61M5/52—Arm-rests
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
- A61M5/14—Infusion devices, e.g. infusing by gravity; Blood infusion; Accessories therefor
- A61M5/158—Needles for infusions; Accessories therefor, e.g. for inserting infusion needles, or for holding them on the body
- A61M2005/1585—Needle inserters
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
- A61M5/14—Infusion devices, e.g. infusing by gravity; Blood infusion; Accessories therefor
- A61M5/158—Needles for infusions; Accessories therefor, e.g. for inserting infusion needles, or for holding them on the body
- A61M2005/1587—Needles for infusions; Accessories therefor, e.g. for inserting infusion needles, or for holding them on the body suitable for being connected to an infusion line after insertion into a patient
Landscapes
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Vascular Medicine (AREA)
- General Health & Medical Sciences (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Veterinary Medicine (AREA)
- Public Health (AREA)
- Animal Behavior & Ethology (AREA)
- Physics & Mathematics (AREA)
- Hematology (AREA)
- Anesthesiology (AREA)
- Pathology (AREA)
- Surgery (AREA)
- Molecular Biology (AREA)
- Medical Informatics (AREA)
- Biophysics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Dermatology (AREA)
- Infusion, Injection, And Reservoir Apparatuses (AREA)
Abstract
The invention belongs to the field of medical auxiliary instruments, and particularly relates to developing and positioning equipment for peripheral venous vascular transfusion, which comprises a step working plate, a telescopic clamping mechanism, an irradiation mechanism, a puncture positioning mechanism, an elastic pad and a pressing plate, wherein multiple groups of telescopic clamping mechanisms are arranged on two sides of the step working plate in a staggered mode, the irradiation mechanism is rotationally arranged on one side, close to a patient, of the step working plate, the puncture positioning mechanism is rotationally arranged on one side, far away from the patient, of the step working plate, the elastic pad is close to a step arranged on the step working plate, and the pressing plate is arranged in an area, located between the irradiation mechanism and the elastic pad, of the upper wall of the step working plate. The invention keeps the puncture needle and the patient relatively stable under the action of the irradiation mechanism and the puncture positioning mechanism, and the angle and the position of the puncture needle are adjusted by the puncture positioning mechanism, so that medical staff can complete the puncture under bumpy road conditions.
Description
Technical Field
The invention belongs to the field of medical auxiliary instruments, and particularly relates to a developing and positioning device for peripheral venous vascular transfusion.
Background
Medical staff often find puncture points from the back of the hand when infusing intravenous solutions to patients. Before puncturing, in order to accurately find the vein position, medical staff can tighten the rubber band at the elbow of a patient and ask the patient to make a fist, so that the vein is protruded for puncturing. However, some patients have problems such as thicker skin surface fat or tattooing, and even if they make a fist, they cannot stand out the blood vessel. To better find the location of a venous blood vessel, medical personnel often locate the vessel location by means of a venous vascular imager.
When using the venous vessel imaging instrument, the relative stability among the imaging instrument, the patient and the puncture needle head is required to be kept, so that the medical staff can safely and accurately complete the puncture action. When a patient is on vehicles such as trains, airplanes, buses and ships, bumpy road conditions cannot keep the three relatively stable, and the puncture work of medical staff is greatly influenced.
Disclosure of Invention
Aiming at the situation, in order to overcome the defects of the prior art, the invention provides the developing and positioning equipment for peripheral venous vascular transfusion, which is characterized in that when the wrist of a patient is fixed on a step working plate, the irradiation mechanism and the puncture positioning mechanism are kept relatively stable with the patient, and the angle and the position of a puncture needle are adjusted through the puncture positioning mechanism, so that medical staff can complete puncture under bumpy road conditions.
The technical scheme adopted by the invention is as follows: the invention provides developing and positioning equipment for peripheral venous blood vessel transfusion, which comprises a ladder working plate, telescopic clamping mechanisms, an irradiation mechanism, a puncture positioning mechanism, an elastic pad and a pressing plate, wherein a plurality of groups of telescopic clamping mechanisms are arranged on two sides of the ladder working plate in a staggered mode, the telescopic clamping mechanisms are used for fixing the ladder working plate at a specific position, so that a medical worker can puncture under the bumpy condition conveniently, the irradiation mechanism is rotationally arranged on one side of the ladder working plate, which is close to a patient, the puncture positioning mechanism is rotationally arranged on one side of the ladder working plate, which is far away from the patient, the irradiation mechanism can display venous blood vessels of the patient through near infrared light, the puncture positioning mechanism positions puncture needles at the displayed venous blood vessels, the elastic pad is close to the step arranged on the ladder working plate, the elastic pad is used for adjusting the fall between a wrist and a palm, the pressing plate is arranged on the upper wall of the ladder working plate in the area between the irradiation mechanism and the elastic pad, and the pressing plate can prevent the irradiation mechanism from being angularly offset when the irradiation mechanism is unfolded to work.
Further, in order to facilitate storage equipment, a square groove is formed in one side, close to a patient, of the stepped work plate, a pressing groove is formed in one side, far away from the patient, of the square groove, an instrument groove is formed in one side, far away from the patient, of the pressing groove, binding rings I are symmetrically arranged on one side, far away from the patient, of the pressing groove, binding rings II are symmetrically arranged on two sides of the elastic pad, binding bands I and binding rings II are respectively provided with binding bands, the binding bands at the position of the binding rings I are used for fixing wrists, the binding bands at the position of the binding rings II are used for fixing fingers, the two binding bands can fix hands of the patient on an elastic pad of the stepped work plate, so that hands of medical staff can be conveniently and fixedly kept relatively with the stepped work plate, an L-shaped groove is formed in one side, far away from the patient, the inner side of the L-shaped groove is formed in the stepped work plate, a conical groove is formed in the inner side, a rotating groove is formed in the connecting position of the upper wall of the stepped work plate and the L-shaped groove, a rotating shaft is horizontally arranged in the middle of the rotating groove, limiting grooves are circumferentially arranged on the outer sides of the rotating grooves, one side of the limiting grooves is used for fixing the wrist, the side of the limiting grooves is used for fixing the wrist, and the side of the stepped work plate far away from the stepped work plate is provided with a lower side of the stepped work plate, and the stepped work plate is provided with a staggered recovery mechanism; the both sides symmetry of square groove is equipped with the change groove, the change groove is kept away from one side of disease and is equipped with spacing slope one, the indent is kept away from one side of disease and is equipped with spacing slope two, one side and the laminating of spacing slope two of clamp plate.
Further, the irradiation mechanism comprises a rotating rod, a positioning block and a vein blood vessel imaging instrument, the rotating rod is rotationally arranged in a rotating groove on one side of a ladder working plate, which is close to a patient, the positioning block is inserted into the side wall of the rotating rod, the insertion position of the positioning block and the rotating rod can be manually adjusted, when the irradiation mechanism is unfolded or stored, medical staff can change the position angle of the positioning block according to needs, the vein blood vessel imaging instrument is arranged in the middle of the positioning block when in use, a plastic buckle is arranged in a groove in the middle of the positioning block, the vein blood vessel imaging instrument is connected with the positioning block through the plastic buckle, the vein blood vessel imaging instrument can emit near infrared rays, and because the absorption of deoxyhemoglobin in veins on infrared light is different from surrounding tissues, the vein blood vessels can display images different from muscle tissues, the medical staff can confirm the position of the vein blood vessels conveniently, and the vein blood vessel imaging instrument is arranged in the instrument groove when in storage.
Further, the puncture positioning mechanism comprises an L-shaped operating handle, a limiting cover plate and a puncture adjusting unit, wherein the L-shaped operating handle is rotationally arranged on a rotating shaft of the step working plate, the part, which is directly connected with the step working plate, of the L-shaped operating handle is a short rod, the part, which is not directly connected with the step working plate, of the L-shaped operating handle is a long rod, the limiting cover plate is slidingly arranged on the short rod of the L-shaped operating handle, the puncture adjusting unit is slidingly arranged on the long rod of the L-shaped operating handle, the puncture adjusting unit can move in the horizontal direction, so that a puncture needle is matched with a selected vein position, when the L-shaped operating handle rotates to the direction vertical to the upper wall of the step working plate around the rotating shaft, the limiting cover plate is downwards moved to be embedded with the limiting groove, the limiting cover plate cannot move in the horizontal direction, the L-shaped operating handle cannot rotate again, so that the L-shaped operating handle keeps the vertical direction to be fixed, when the limiting cover plate is separated from the limiting groove, the L-shaped operating handle can rotate around the rotating shaft again until the L-shaped operating handle rotates into the L-shaped groove, so that the L-shaped operating handle changes into a storage state, and the storage state, the L-shaped operating handle moves around the rotating shaft into the synchronous rotating shaft, and enters the retraction unit, and the retraction unit.
Further, the puncture adjusting unit comprises a sliding block, a transition block, a pull limiting rod, an angle adjusting handle and a guide taper pipe, wherein the sliding block is slidably arranged on a long rod of the L-shaped operating handle, a locking switch is arranged on the sliding block, the sliding block cannot move on the long rod when the locking switch is closed, the transition block is arranged on the lower wall of the sliding block, the pull limiting rod is horizontally slidably arranged on the transition block, the angle adjusting handle is rotatably arranged on one side, far away from the pull limiting rod, of the transition block, a connecting column is arranged on the angle adjusting handle, the guide taper pipe is arranged on the connecting column, an inner gear ring is arranged at the centers of the transition block and the angle adjusting handle, an outer gear ring is arranged on the outer side wall of the pull limiting rod, and when the pull limiting rod pushes into the transition block, the outer gear ring of the pull limiting rod is meshed with the outer gear ring of the transition block and the angle adjusting handle, so that the angle adjusting handle is fixed, and when the pull limiting rod pulls towards the outer side of the transition block, the outer gear ring of the pull limiting rod is separated from the angle adjusting handle, the angle adjusting handle can rotate relative to the transition block, and the angle adjusting taper pipe is convenient to adjust the angle of the guide taper pipe; the side wall of the guide taper pipe is provided with a guide groove which is used for placing a puncture needle and limiting the puncture direction, the puncture needle is guided to be inserted into a vein of a patient, the puncture angle during subcutaneous injection is generally 15-30 degrees, and the guide taper pipe is adjusted to the angle.
Further, a connecting plate is arranged on the side wall of the rotating rod, a mounting groove is formed in the center of the positioning block, first positioning grooves are symmetrically formed in the horizontal directions of the two sides of the positioning block, and second positioning grooves are formed in the rear of the first positioning grooves; when the rotating rod rotates to a position attached to the first limiting slope, the connecting plate is in a horizontal state, the positioning block is embedded with the connecting plate through the first positioning groove, the positioning block is also in a horizontal state, at the moment, one side of the rotating rod, which is far away from the first limiting slope, is overlapped with the second limiting slope, and one side of the pressing plate, which is overlapped with the second limiting slope, can compress the rotating rod to prevent the rotating rod from rotating; when the irradiation mechanism is required to be stored, the first positioning groove of the positioning block is separated from the connecting plate, the positioning block is rotated for 180 degrees, the second positioning groove is embedded with the connecting plate, the rotating rod is reversely rotated until the rotating rod is attached to the square groove, and the irradiation mechanism is completely stored in the step working plate.
Further, the telescopic clamping mechanism comprises telescopic rods, right-angle clamping plates, connecting bolts and clamping bolts, wherein a plurality of groups of telescopic rods are slidably arranged in a slideway on the lower wall of a ladder working plate, the right-angle clamping plates are inserted and arranged at the center of the end part of the telescopic rods, the right-angle clamping plates can be detached from the center of the telescopic rods and are installed again after rotating 180-degree adjusting directions, connecting holes are formed in positions, opposite to the center of the telescopic rods, of the right-angle clamping plates, hidden holes are formed in the lower sides of the connecting holes, fastening holes are formed in the center of a bottom plate of the right-angle clamping plates, and the connecting bolts are arranged in the connecting holes; when the telescopic rod is completely contracted, the bottom plate of the right-angle clamping plate rotates to the upper side and is contracted into the ladder working plate along with the telescopic rod, the clamping bolt is arranged in the hidden hole, and the hidden hole is used for accommodating the clamping bolt; when the telescopic rod is unfolded, the telescopic rod is pulled and pulled according to the width of a table on a vehicle, and meanwhile, the bottom plate of the right-angle clamping plate is rotated to the lower side, so that the right-angle clamping plate is nested on the edge of the table, at the moment, the clamping bolt is arranged in the fastening hole, and the telescopic rod is locked on the table through the fastening hole, so that the whole ladder work plate is fixed on the table.
The beneficial effects obtained by the invention by adopting the structure are as follows:
1. the telescopic clamping mechanism, the irradiation mechanism and the puncture positioning mechanism are in two working states of storage and unfolding, when the equipment does not work, all the parts are stored in the step working plate, so that the occupied space of the equipment is reduced, and the equipment is convenient to carry;
2. The puncture adjusting unit can slide left and right along the L-shaped operating handle, the guide taper pipe is adjusted to the position of a vein, and then the angle of the guide taper pipe is adjusted by rotating the angle adjusting handle, so that the puncture angle meets the requirement;
3. The telescopic clamping mechanism can be freely telescopic so as to adapt to desktops of different sizes and fix the ladder working plate on the desktops, the application range is wide, the telescopic clamping mechanism can be used in different environments, meanwhile, the right-angle clamping plate can be used for adjusting the connection angle with the telescopic rod, and when the telescopic clamping mechanism is stored, the right-angle clamping plate can be hidden in the side wall of the ladder working plate;
4. the rotating rod on the irradiation mechanism can adjust the venous vessel imaging instrument on the positioning block to different angles, and the first positioning groove and the second positioning groove on the positioning block are matched with the action of the connecting plate, so that the venous vessel imaging instrument can be switched in two states of storage or opening;
5. The limiting cover plate on the puncture positioning mechanism is matched with the limiting groove and the recycling arc groove on the ladder working plate, so that the puncture positioning mechanism can achieve two states, when the puncture positioning mechanism needs to work, the L-shaped operating handle rotates to the vertical direction, the limiting cover plate moves downwards into the limiting groove, the L-shaped operating handle can not rotate, the limiting cover plate is fixed, when the puncture positioning mechanism needs to be stored, the limiting cover plate slides upwards, the L-shaped operating handle is rotated, the limiting cover plate is embedded into the recycling arc groove, and the puncture positioning mechanism can be stored in the L-shaped groove.
Drawings
Fig. 1 is a storage state diagram of a developing and positioning device for peripheral venous transfusion according to the present invention;
FIG. 2 is a view showing the development and positioning device for peripheral venous transfusion according to the present invention;
FIG. 3 is an exploded view of FIG. 2;
FIG. 4 is a schematic structural view of a stepped work plate;
FIG. 5 is a top view of the stair work plate;
FIG. 6 is a cross-sectional view of A-A of FIG. 5;
FIG. 7 is a cross-sectional view of B-B in FIG. 5;
FIG. 8 is a schematic structural view of a puncture positioning mechanism;
FIG. 9 is a partial cross-sectional view of an exploded view of the puncture adjustment unit;
FIG. 10 is a broken view of the guide cone;
FIG. 11 is a schematic view of a structure of a rotating lever;
FIG. 12 is a schematic view of the structure of the positioning block;
Fig. 13 is a schematic structural view of the right angle card.
Wherein 1, a step working plate, 2, a telescopic clamping mechanism, 3, an irradiation mechanism, 4, a puncture positioning mechanism, 5, an elastic pad, 6, a pressing plate, 7, a telescopic rod, 8, a right-angle clamping plate, 9, a connecting bolt, 10, a clamping bolt, 11, a rotating rod, 12, a positioning block, 13, a venous vessel imaging instrument, 14, a square groove, 15, a pressing groove, 16, an instrument groove, 17, a binding ring I, 18, a binding ring II, 19, an L-shaped groove, 20, a conical groove, 21, a rotating groove, 22, a rotating shaft, 23 and a limiting groove, 24, a recovery arc groove, 25, a slideway, 26, a rotary groove, 27, a first limit slope, 28, a second limit slope, 29, an L-shaped control handle, 30, a limit cover plate, 31, a puncture adjusting unit, 32, a sliding block, 33, a transition block, 34, a drawing limit rod, 35, an angle adjusting handle, 36, a guiding taper pipe, 37, a guiding groove, 38, a connecting plate, 39, an installation groove, 40, a first locating groove, 41, a second locating groove, 42, a connecting hole, 43, a hidden hole, 44, a fastening hole, 45 and a connecting column.
The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate the invention and together with the embodiments of the invention, serve to explain the invention.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the invention; all other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
In the description of the present invention, it should be understood that the terms "upper," "lower," "front," "rear," "left," "right," "top," "bottom," "inner," "outer," and the like indicate orientation or positional relationships based on those shown in the drawings, merely to facilitate description of the invention and simplify the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the invention.
As shown in fig. 1-3, the developing and positioning device for peripheral venous blood vessel transfusion provided by the invention comprises a ladder working plate 1, a telescopic clamping mechanism 2, an irradiation mechanism 3, a puncture positioning mechanism 4, an elastic pad 5 and a pressing plate 6, wherein multiple groups of telescopic clamping mechanisms 2 are arranged on two sides of the ladder working plate 1 in a staggered manner, the telescopic clamping mechanism 2 is used for fixing the ladder working plate 1 at a specific position, so that a medical staff can puncture under the bumpy condition, the irradiation mechanism 3 is rotationally arranged on one side of the ladder working plate 1 close to a patient, the puncture positioning mechanism 4 is rotationally arranged on one side of the ladder working plate 1 away from the patient, the irradiation mechanism 3 can display venous blood vessels of the patient through near infrared light, the puncture positioning mechanism 4 positions puncture needles at the displayed venous blood vessels, the elastic pad 5 is close to the step arranged on the ladder working plate 1, the elastic pad 5 is used for adjusting the drop between a wrist and a palm, the pressing plate 6 is arranged on the upper wall of the ladder working plate 1 in a region between the irradiation mechanism 3 and the elastic pad 5, and the pressing plate 6 can prevent the irradiation mechanism 3 from shifting in the angle when the irradiation mechanism 3 is unfolded to work.
As shown in fig. 4-7, in order to facilitate the storage of the device, a square groove 14 is arranged on one side of the ladder work plate 1 close to a patient, a pressing groove 15 is arranged on one side of the square groove 14 away from the patient, a pressing plate 6 is arranged in the pressing groove 15, an instrument groove 16 is arranged at intervals on one side of the square groove 14, a binding ring I17 is symmetrically arranged on one side of the pressing groove 15 away from the patient, binding rings II 18 are symmetrically arranged on two sides of the elastic pad 5, binding belts at the binding ring I17 and the binding rings II 18 are respectively provided with a binding belt, the binding belts at the binding ring II 18 are used for fixing wrists, the two binding belts can fix the hands of the patient on the elastic pad 5 of the ladder work plate 1, so that the palm and the ladder work plate 1, the irradiation mechanism 3 and the puncture positioning mechanism 4 are kept relatively fixed, the medical staff can puncture under a bumpy condition, an L-shaped groove 19 is arranged on one side of the ladder work plate 1, a conical groove 20 is arranged on the inner side of the L-shaped groove 19, a rotating groove 21 is arranged at the joint of the upper wall of the ladder work plate 1 and the L-shaped groove 19, a rotating groove 22 is horizontally arranged in the middle of the rotating groove 21, a rotating shaft 22 is arranged on the rotating groove 21 and a rotating groove 23 is arranged around the rotating groove 23, and a side of the ladder work plate 1 is defined by the side of the ladder work plate 1 away from the side, which is far from the side of the square groove 1, and is provided with a chute 25; the two sides of the square groove 14 are symmetrically provided with a rotating groove 26, one side of the rotating groove 26 away from the patient is provided with a limiting slope I27, one side of the pressing groove 15 away from the patient is provided with a limiting slope II 28, and one side of the pressing plate 6 is attached to the limiting slope II 28.
As shown in fig. 1 and 3, the irradiation mechanism 3 includes a rotating rod 11, a positioning block 12 and a venous vessel imaging instrument 13, the rotating rod 11 is rotationally arranged in a rotating groove 26 on one side of the ladder work plate 1 close to a patient, the positioning block 12 is inserted and arranged on the side wall of the rotating rod 11, the insertion position of the positioning block 12 and the rotating rod 11 can be manually adjusted, when the irradiation mechanism 3 is unfolded or stored, a medical staff can change the position angle of the positioning block 12 according to needs, the venous vessel imaging instrument 13 is arranged in the middle of the positioning block 12 when in use, a plastic buckle is arranged in a groove in the middle of the positioning block 12, the venous vessel imaging instrument 13 is connected with the positioning block 12 through the plastic buckle (not marked in the drawing), the venous vessel imaging instrument 13 can emit near infrared rays, and because the absorption of deoxyhemoglobin in veins to infrared rays is different from surrounding tissues, the venous vessel can display images different from muscle tissues without considering the influence of fat thickness or tattoos and other factors, so that medical staff can confirm the position of the venous vessel conveniently, and the venous vessel imaging instrument 13 is arranged in the instrument groove 16 when in storage.
As shown in fig. 2, 7 and 8, the puncture positioning mechanism 4 comprises an L-shaped operating handle 29, a limit cover plate 30 and a puncture adjusting unit 31, wherein the L-shaped operating handle 29 is rotatably arranged on a rotating shaft 22 of the step work plate 1, a part of the L-shaped operating handle 29, which is directly connected with the step work plate 1, is a short rod, a part of the L-shaped operating handle 29, which is not directly connected with the step work plate 1, is a long rod, the limit cover plate 30 is slidably arranged on the short rod of the L-shaped operating handle 29, the puncture adjusting unit 31 is slidably arranged on the long rod of the L-shaped operating handle 29, the puncture adjusting unit 31 can move in the horizontal direction, so that a puncture needle is matched with the position of a selected vein, when the L-shaped operating handle 29 rotates around the rotating shaft 22 to be perpendicular to the upper wall direction of the step work plate 1, the limit cover plate 30 is downwards moved to be embedded with the limit groove 23, the limit cover plate 30 cannot move in the horizontal direction, the L-shaped operating handle 29 cannot rotate in the vertical direction, so that the L-shaped operating handle 29 keeps the vertical direction fixed, when the limit cover plate 30 is separated from the limit groove 23, the L-shaped operating handle 29 rotates around the rotating shaft 29 again, the L-shaped operating handle 29 can rotate around the rotating shaft 22 until the limit cover plate 29 moves in the rotating direction, and the limit cover plate 24, and the puncture adjusting unit moves in the rotating direction, and the puncture adjusting unit into the rotating groove, and the rotating direction, and the puncture adjusting unit.
As shown in fig. 9 and 10, the puncture adjusting unit 31 includes a slider 32, a transition block 33, a pull limiting rod 34, an angle adjusting handle 35 and a guiding taper pipe 36, the slider 32 is slidably disposed on a long rod of the L-shaped operating handle 29, a locking switch (not shown in the drawing) is disposed on the slider 32, when the locking switch is closed, the slider 32 cannot move on the long rod, the transition block 33 is disposed on a lower wall of the slider 32, the pull limiting rod 34 is horizontally slidably disposed on the transition block 33, the angle adjusting handle 35 is rotatably disposed on a side of the transition block 33 far from the pull limiting rod 34, a connecting post 45 is disposed on the angle adjusting handle 35, the guiding taper pipe 36 is disposed on the connecting post 45, an inner gear ring is disposed at the centers of the transition block 33 and the angle adjusting handle 35, an outer gear ring is disposed on an outer side wall of the pull limiting rod 34, when the pull limiting rod 34 is pushed into the transition block 33, the outer gear ring of the pull limiting rod 34 is meshed with the inner gear ring of the transition block 33, thereby enabling the angle adjusting handle 35 to be fixed at an angle, when the pull limiting rod 34 is pulled out of the transition block 33, the angle adjusting handle 35 can be separated from the inner gear ring 35, and the angle adjusting handle 35 can be conveniently adjusted relatively; the side wall of the guiding taper pipe 36 is provided with a guiding groove 37, the guiding groove 37 is used for placing a puncture needle, limiting the puncture direction, guiding the puncture needle to be inserted into vein of a patient, the puncture angle during subcutaneous injection is generally 15-30 degrees, and the guiding taper pipe 36 is adjusted to the angle.
As shown in fig. 1,3, 11 and 12, a connecting plate 38 is arranged on the side wall of the rotating rod 11, a mounting groove 39 is arranged in the center of the positioning block 12, a first positioning groove 40 is symmetrically arranged on two sides of the positioning block 12 in the horizontal direction, and a second positioning groove 41 is arranged behind the first positioning groove 40; when the rotating rod 11 rotates to a position attached to the first limiting slope 27, the connecting plate 38 is in a horizontal state, the positioning block 12 is embedded with the connecting plate 38 through the first positioning groove 40, the positioning block 12 is also in a horizontal state, at the moment, one side of the rotating rod 11 away from the first limiting slope 27 is overlapped with the second limiting slope 28, and one side of the pressing plate 6 overlapped with the second limiting slope 28 can compress the rotating rod 11 to prevent the rotating rod from rotating; when the irradiation mechanism 3 needs to be stored, the first positioning groove 40 of the positioning block 12 is separated from the connecting plate 38, the positioning block 12 is rotated for 180 degrees, the second positioning groove 41 is embedded with the connecting plate 38, the rotating rod 11 is reversely rotated until the rotating rod 11 is attached to the square groove 14, and at the moment, the irradiation mechanism 3 is completely stored in the ladder work plate 1.
As shown in fig. 3, 5 and 13, the telescopic clamping mechanism 2 comprises a telescopic rod 7, a right-angle clamping plate 8, a connecting bolt 9 and a clamping bolt 10, wherein a plurality of groups of telescopic rods 7 are slidably arranged in a slide way 25 of the lower wall of the ladder working plate 1, the right-angle clamping plate 8 is inserted and arranged at the center of the end part of the telescopic rod 7, the right-angle clamping plate 8 can be detached from the center of the telescopic rod 7 and is installed again after rotating 180 degrees in the adjusting direction, a connecting hole 42 is arranged at the position, opposite to the center of the telescopic rod 7, of the right-angle clamping plate 8, a hidden hole 43 is arranged below the connecting hole 42, a fastening hole 44 is arranged at the center of the bottom plate of the right-angle clamping plate 8, and the connecting bolt 9 is arranged in the connecting hole 42; when the telescopic rod 7 is completely contracted, the bottom plate of the right-angle clamping plate 8 rotates to the upper side and is contracted into the ladder work plate 1 along with the telescopic rod 7, the clamping bolt 10 is arranged in the hidden hole 43, and the hidden hole 43 is used for accommodating the clamping bolt 10; when the telescopic rod 7 is unfolded, the telescopic rod 7 is pulled according to the width of a table on a vehicle, and meanwhile, the bottom plate of the right-angle clamping plate 8 is rotated to the lower side, so that the right-angle clamping plate 8 is nested on the edge of the table, at the moment, the clamping bolt 10 is arranged in the fastening hole 44, and the telescopic rod 7 is locked on the table through the fastening hole 44, so that the whole ladder work plate 1 is fixed on the table.
Before specific use, medical staff need to open the equipment from a storage state; first, the healthcare worker needs to find a flat table surface on the vehicle, and then expand and fix the telescopic clamping mechanism 2 to the table surface.
When the telescopic clamping mechanism 2 is unfolded, the telescopic rod 7 and the right-angle clamping plate 8 are pulled outwards, the telescopic rod 7 is stretched to a proper length, then the connecting bolt 9 in the connecting hole 42 is loosened, meanwhile, the clamping bolt 10 in the hidden hole 43 is taken out, the right-angle clamping plate 8 is separated from the telescopic rod 7, the right-angle clamping plate 8 is rotated 180 degrees and then is inserted into the telescopic rod 7 again, at the moment, the bottom plate of the right-angle clamping plate 8 is positioned on the lower side wall of the tabletop, the connecting bolt 9 is screwed again, the right-angle clamping plate 8 is fixed with the telescopic rod 7, then the clamping bolt 10 is screwed into the fastening hole 44 until the clamping bolt 10 is propped against the lower side wall of the tabletop, and under the action of the clamping bolt 10, the telescopic rod 7 is fixed on the tabletop, so that the ladder work plate 1 is fixed on the tabletop, and then transfusion punctures.
When the irradiation mechanism 3 is unfolded, the pressing plate 6 is pulled out of the pressing groove 15, so that the pressing plate 6 does not limit the rotating rod 11 any more, the rotating rod 11 and the positioning block 12 are pushed upwards, the rotating rod 11 rotates in the rotating groove 26, when the rotating rod 11 rotates to a maximum angle, the lower inclined surface of the rotating rod 11 is attached to the limiting slope I27, the limiting slope I27 limits the rotating angle of the rotating rod 11, then the pressing plate 6 is inserted into the pressing groove 15, the side wall of the pressing plate 6 is pressed with the upper inclined surface of the rotating rod 11, the rotating rod 11 is prevented from rotating, and the angle of the rotating rod 11 is kept unchanged; then the second positioning groove 41 of the positioning block 12 is separated from the connecting plate 38, the positioning block 12 is turned for 180 degrees, the first positioning groove 40 on the other side of the positioning block 12 is embedded with the connecting plate 38, the positioning block 12 is horizontally arranged at the moment, the mounting groove 39 of the positioning block 12 is opened upwards, then the venous vessel imaging instrument 13 is taken out from the instrument groove 16, the venous vessel imaging instrument 13 is pressed into a plastic fastener in the mounting groove 39, and the irradiation mechanism 3 is converted into an unfolded working state.
When the puncture positioning mechanism 4 is unfolded, the L-shaped operating handle 29 is rotated around the rotating shaft 22, the limiting cover plate 30 is separated from the recovery arc groove 24, when the L-shaped operating handle 29 is rotated to the vertical direction, the limiting cover plate 30 is pressed down to be embedded into the limiting groove 23, the limiting cover plate 30 cannot move on the horizontal plane, the L-shaped operating handle 29 cannot rotate, and the puncture positioning mechanism 4 is converted into an unfolded working state.
At this time, the patient passes the wrist below the irradiation mechanism 3, and the palm of the patient is flatly placed on the elastic pad 5, and the elastic pad 5 can compensate the difference in height between the palm and the wrist when being flatly placed, and makes the back of the hand be the horizontal state, then tightens the bandage on the binding ring one 17, fixes the wrist of the patient, tightens the bandage on the binding ring two 18 again, fixes the finger of the patient, makes the palm and the ladder work plate 1, the irradiation mechanism 3 and the puncture positioning mechanism 4 keep relatively fixed, and is convenient for follow-up puncture.
The vein image display instrument 13 is opened, the vein image display instrument 13 emits near infrared rays, the vein blood vessel displays images different from muscles under infrared light, the images are not influenced by fat thickness and skin tattoos, and medical staff can confirm the positions of the blood vessels through naked eyes.
After the medical staff selects the blood vessel position for puncture transfusion, the puncture adjusting unit 31 is slid left and right to enable the guide taper pipe 36 to be aligned with the vein, then a locking switch on the sliding block 32 is closed, the sliding block 32 cannot slide left and right any more, so that the position of the puncture adjusting unit 31 is fixed, then the medical staff pulls the pull limiting rod 34 outwards to enable the pull limiting rod 34 to be separated from the angle adjusting handle 35, at the moment, the angle adjusting handle 35 can rotate freely, and the medical staff can slightly adjust the angle of the guide taper pipe 36 by rotating the angle adjusting handle 35; when the tail end of the guide taper pipe 36 is close to the back of the hand of the patient and the angle of the guide taper pipe 36 is in the range of 15-30 degrees, the guide taper pipe 36 is at the optimal puncture position, and then the drawing limiting rod 34 is reversely pressed, so that the drawing limiting rod 34 is meshed with the angle adjusting handle 35 again, and the angle of the guide taper pipe 36 after adjustment is fixed; so far, the guiding taper pipe 36 is fixed in position and fixed in angle with the vein of the patient, and the relative position between the guiding taper pipe 36 and the vein of the patient is not affected by bumpy road conditions.
After all adjustment is completed, medical staff embeds the puncture needle for transfusion into the guide groove 37, then slides the puncture needle along the guide groove 37, so that the puncture needle is inserted into a blood vessel, and in the inserting process, the puncture needle is always in the guide groove 37, the position between the guide groove 37 and a patient is relatively fixed, and the puncture process is not influenced by bumpy road conditions.
After the puncture transfusion is completed, medical staff can store the telescopic clamping mechanism 2, the irradiation mechanism 3 and the puncture positioning mechanism 4, and the storage process is completely opposite to the unfolding process, and is not repeated here.
It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
The invention and its embodiments have been described above with no limitation, and the actual construction is not limited to the embodiments of the invention as shown in the drawings. In summary, if one of ordinary skill in the art is informed by this disclosure, a structural manner and an embodiment similar to the technical solution should not be creatively devised without departing from the gist of the present invention.
Claims (8)
1. A peripheral venous blood vessel infusion is with developing locating device which characterized in that: the multifunctional medical device comprises a ladder working plate (1), a telescopic clamping mechanism (2), an irradiation mechanism (3), a puncture positioning mechanism (4), an elastic pad (5) and a pressing plate (6), wherein multiple groups of telescopic clamping mechanisms (2) are arranged on two sides of the ladder working plate (1) in a staggered mode, the irradiation mechanism (3) is rotationally arranged on one side, close to a patient, of the ladder working plate (1), the puncture positioning mechanism (4) is rotationally arranged on one side, far away from the patient, of the ladder working plate (1), the elastic pad (5) is close to a step arranged on the ladder working plate (1), and the pressing plate (6) is arranged in an area, located between the irradiation mechanism (3) and the elastic pad (5), of the upper wall of the ladder working plate (1);
The puncture positioning mechanism (4) comprises an L-shaped control handle (29), a limit cover plate (30) and a puncture adjusting unit (31), wherein the L-shaped control handle (29) is rotationally arranged on the step working plate (1), the part of the L-shaped control handle (29) which is directly connected with the step working plate (1) is a short rod, the part of the L-shaped control handle (29) which is not directly connected with the step working plate (1) is a long rod, the limit cover plate (30) is slidingly arranged on the short rod of the L-shaped control handle (29), and the puncture adjusting unit (31) is slidingly arranged on the long rod of the L-shaped control handle (29);
the puncture adjusting unit (31) comprises a sliding block (32), a transition block (33), a drawing limiting rod (34), an angle adjusting handle (35) and a guide taper pipe (36), wherein the sliding block (32) is arranged on a long rod of the L-shaped operating handle (29) in a sliding mode, the transition block (33) is arranged on the lower wall of the sliding block (32), the drawing limiting rod (34) is arranged on the transition block (33) in a horizontal sliding mode, the angle adjusting handle (35) is rotationally arranged on one side, far away from the drawing limiting rod (34), of the transition block (33), a connecting column (45) is arranged on the angle adjusting handle (35), and the guide taper pipe (36) is arranged on the connecting column (45);
The irradiation mechanism (3) comprises a rotating rod (11), a positioning block (12) and a vein blood vessel imaging instrument (13), wherein the rotating rod (11) is rotationally arranged on one side of the ladder working plate (1) close to a patient, the positioning block (12) is inserted and arranged on the side wall of the rotating rod (11), and the vein blood vessel imaging instrument (13) is arranged in the middle of the positioning block (12) when in use;
The utility model discloses a ladder working plate, which is characterized in that a square groove (14) is arranged on one side of the ladder working plate (1) close to a patient, a pressing groove (15) is arranged on one side of the square groove (14) away from the patient, an instrument groove (16) is arranged on one side of the square groove (14) at intervals, a binding ring I (17) is symmetrically arranged on one side of the pressing groove (15) away from the patient, a binding ring II (18) is symmetrically arranged on two sides of the elastic pad (5), binding bands are respectively arranged on the binding ring I (17) and the binding ring II (18), the binding band at the binding ring I (17) is used for fixing wrists, the binding band at the binding ring II (18) is used for fixing fingers, an L-shaped groove (19) is formed in one side, far away from a patient, of the step working plate (1), a conical groove (20) is formed in the inner side of the L-shaped groove (19), a rotating groove (21) is formed in the joint of the upper wall of the step working plate (1) and the L-shaped groove (19), a rotating shaft (22) is horizontally arranged in the middle of the rotating groove (21), a limiting groove (23) is formed in the outer side of the rotating groove (21) in a surrounding mode, a recycling arc groove (24) is formed in one side, far away from the square groove (14), of the limiting groove (23), and sliding ways (25) are formed in the lower wall of the step working plate (1) in a staggered mode; the two sides of the square groove (14) are symmetrically provided with a rotating groove (26), one side of the rotating groove (26) far away from a patient is provided with a limiting slope I (27), and one side of the pressing groove (15) far away from the patient is provided with a limiting slope II (28);
When the L-shaped control handle (29) rotates around the rotating shaft (22) to be vertical to the upper wall direction of the step working plate (1), the limit cover plate (30) moves downwards to be capable of being embedded with the limit groove (23);
When the rotating rod (11) rotates to a position attached to the first limit slope (27), one side, away from the first limit slope (27), of the rotating rod (11) coincides with the second limit slope (28), and one side, coinciding with the second limit slope (28), of the pressing plate (6) can compress the rotating rod (11).
2. The developing and positioning apparatus for peripheral venous transfusion as claimed in claim 1, wherein: the side wall of the guide taper pipe (36) is provided with a guide groove (37).
3. The developing and positioning apparatus for peripheral venous transfusion as claimed in claim 2, wherein: the side wall of the rotating rod (11) is provided with a connecting plate (38), the center of the positioning block (12) is provided with a mounting groove (39), two sides of the positioning block (12) are symmetrically provided with positioning grooves I (40) in the horizontal direction, and the rear of the positioning groove I (40) is provided with a positioning groove II (41).
4. A peripheral venous transfusion visualization and positioning device as claimed in claim 3, characterized in that: the vein imaging apparatus (13) is arranged in the apparatus groove (16) when being stored, and the pressing plate (6) is arranged in the pressing groove (15).
5. The developing and positioning apparatus for peripheral venous transfusion as claimed in claim 4, wherein: the telescopic clamping mechanism (2) comprises a telescopic rod (7), a right-angle clamping plate (8), a connecting bolt (9) and a clamping bolt (10), wherein multiple groups of telescopic rods (7) are slidably arranged in a slide way (25) on the lower wall of the ladder working plate (1), and the right-angle clamping plate (8) is inserted into the center of the end part of the telescopic rod (7).
6. The developing and positioning apparatus for peripheral venous transfusion as claimed in claim 5, wherein: the right-angle clamping plate (8) is provided with a connecting hole (42) to the center of the telescopic rod (7), a hidden hole (43) is arranged below the connecting hole (42), a fastening hole (44) is formed in the center of a bottom plate of the right-angle clamping plate (8), the connecting bolt (9) is arranged in the connecting hole (42), the clamping bolt (10) is arranged in the hidden hole (43) when the telescopic rod (7) is completely contracted, and the clamping bolt (10) is arranged in the fastening hole (44) when the telescopic rod (7) is unfolded.
7. The developing and positioning apparatus for peripheral venous transfusion as claimed in claim 6, wherein: the rotating rod (11) is rotatably arranged in the rotating groove (26).
8. The developing and positioning apparatus for peripheral venous transfusion as claimed in claim 7, wherein: the L-shaped control handle (29) is rotatably arranged on the rotating shaft (22).
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| CN202410158025.8A CN117838992B (en) | 2024-02-04 | 2024-02-04 | Peripheral venous blood vessel infusion is with developing positioning device |
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| CN202410158025.8A CN117838992B (en) | 2024-02-04 | 2024-02-04 | Peripheral venous blood vessel infusion is with developing positioning device |
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| FR3019724A1 (en) * | 2014-04-14 | 2015-10-16 | Agece Ecole Centrale D Electronique | DEVICE FOR MAINTAINING A VEIN OF A USER IN POSITION AND DEVICE FOR PUNCTURING OR INJECTING IN A VEIN OF A USER |
| CN110124162A (en) * | 2019-05-28 | 2019-08-16 | 郑州大学第一附属医院 | A kind of injection positioning device of Endocrine Disorders |
| CN210843357U (en) * | 2019-08-20 | 2020-06-26 | 丹阳市人民医院 | Auxiliary puncture device for superficial veins of old people |
| CN213030629U (en) * | 2020-07-10 | 2021-04-23 | 成都市龙泉驿区第一人民医院 | Portable infrared blood vessel locator |
| CN213249130U (en) * | 2020-09-04 | 2021-05-25 | 王瑞涛 | Visual peripheral vein puncture device |
| CN112043922A (en) * | 2020-09-25 | 2020-12-08 | 伏羲九针智能科技(北京)有限公司 | Automatic puncture equipment for venous blood vessels |
| CN112244784A (en) * | 2020-11-14 | 2021-01-22 | 江西晋瑞医疗器械有限公司 | Portable visual venipuncture instrument |
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| CN115414555A (en) * | 2022-10-26 | 2022-12-02 | 华中科技大学同济医学院附属协和医院 | Portable blood vessel detector |
| CN219185345U (en) * | 2023-01-12 | 2023-06-16 | 中国人民解放军总医院第四医学中心 | Fixing device for puncture in anesthesiology department |
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| CN107441596A (en) * | 2017-09-11 | 2017-12-08 | 严峰 | For vascular puncture in ultrasonic guidance lower plane and the medical sheath body of nerve block |
| CN108714042A (en) * | 2018-06-13 | 2018-10-30 | 苏茂顺 | A kind of anesthesia spinal needle with negative-pressure inner needle core |
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