CN113080963A - High-efficient painless blood sampling device of centre gripping formula annular micropin sword tesla valve - Google Patents
High-efficient painless blood sampling device of centre gripping formula annular micropin sword tesla valve Download PDFInfo
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- CN113080963A CN113080963A CN202110402396.2A CN202110402396A CN113080963A CN 113080963 A CN113080963 A CN 113080963A CN 202110402396 A CN202110402396 A CN 202110402396A CN 113080963 A CN113080963 A CN 113080963A
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- 238000010241 blood sampling Methods 0.000 title claims abstract description 76
- 239000008280 blood Substances 0.000 claims abstract description 72
- 239000007788 liquid Substances 0.000 claims abstract description 72
- 210000004369 blood Anatomy 0.000 claims abstract description 70
- 238000003825 pressing Methods 0.000 claims abstract description 54
- 238000003860 storage Methods 0.000 claims abstract description 22
- 239000003292 glue Substances 0.000 claims abstract description 20
- 238000005192 partition Methods 0.000 claims abstract description 6
- 238000001125 extrusion Methods 0.000 claims abstract description 4
- 230000007246 mechanism Effects 0.000 claims description 16
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical group O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 10
- 230000000740 bleeding effect Effects 0.000 abstract description 3
- 241001465754 Metazoa Species 0.000 description 23
- 238000001514 detection method Methods 0.000 description 6
- 208000027418 Wounds and injury Diseases 0.000 description 5
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- 238000006243 chemical reaction Methods 0.000 description 3
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- 230000033228 biological regulation Effects 0.000 description 2
- 230000006378 damage Effects 0.000 description 2
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- 210000005069 ears Anatomy 0.000 description 2
- 238000000605 extraction Methods 0.000 description 2
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- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 244000144977 poultry Species 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 239000003146 anticoagulant agent Substances 0.000 description 1
- 229940127219 anticoagulant drug Drugs 0.000 description 1
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- 230000007123 defense Effects 0.000 description 1
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- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
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- 229940088597 hormone Drugs 0.000 description 1
- 239000005556 hormone Substances 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 210000001640 nerve ending Anatomy 0.000 description 1
- 150000007523 nucleic acids Chemical class 0.000 description 1
- 102000039446 nucleic acids Human genes 0.000 description 1
- 108020004707 nucleic acids Proteins 0.000 description 1
- 230000003204 osmotic effect Effects 0.000 description 1
- 210000002381 plasma Anatomy 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/15—Devices for taking samples of blood
- A61B5/153—Devices specially adapted for taking samples of venous or arterial blood, e.g. with syringes
- A61B5/154—Devices using pre-evacuated means
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/15—Devices for taking samples of blood
- A61B5/150007—Details
- A61B5/150015—Source of blood
- A61B5/15003—Source of blood for venous or arterial blood
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/15—Devices for taking samples of blood
- A61B5/150007—Details
- A61B5/150206—Construction or design features not otherwise provided for; manufacturing or production; packages; sterilisation of piercing element, piercing device or sampling device
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/15—Devices for taking samples of blood
- A61B5/150977—Arrays of piercing elements for simultaneous piercing
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B2503/00—Evaluating a particular growth phase or type of persons or animals
- A61B2503/40—Animals
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- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Heart & Thoracic Surgery (AREA)
- Molecular Biology (AREA)
- Pathology (AREA)
- Physics & Mathematics (AREA)
- Biomedical Technology (AREA)
- Hematology (AREA)
- Medical Informatics (AREA)
- Biophysics (AREA)
- Surgery (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Manufacturing & Machinery (AREA)
- Measurement Of The Respiration, Hearing Ability, Form, And Blood Characteristics Of Living Organisms (AREA)
Abstract
The invention discloses a clamping type annular microneedle knife Tesla valve efficient painless blood sampling device which comprises a shell, wherein the interior of the shell is divided into an upper cavity and a lower cavity from top to bottom, and a vacuumized blood storage cavity is arranged around the lower cavity; the middle part of the upper cavity is slidably connected with a pressing block, the upper end of the pressing block penetrates through the shell, and the lower end of the pressing block penetrates through the upper cavity and extends into the lower cavity; the lower end of the pressing block is provided with an annular needle knife assembly, and the bottom of the lower cavity corresponding to the annular needle knife assembly is provided with a blood collection rubber seal; a plurality of reset springs are also arranged in the lower cavity body and are connected with the extrusion block through an annular limit stop block, so that the initial position of the annular needle knife assembly is in the lower cavity body; the upper end of the annular needle knife component is connected with a plurality of liquid guide pipes, the other ends of the liquid guide pipes are provided with liquid guide needles, the liquid guide pipes and the liquid guide needles are arranged in the upper cavity at initial positions, and liquid guide glue seals are arranged on the cavity partition plate between the upper cavity and the blood storage cavity corresponding to the liquid guide needles. The invention increases the amount of bleeding per unit time by adopting the annular needle knife assembly.
Description
Technical Field
The invention relates to the technical field of blood collection equipment, in particular to a clamping type annular micro-needle knife Tesla valve efficient painless blood collection device.
Background
Blood is a tissue that circulates in the heart and vascular cavities of the living system of an animal body. The blood function comprises two parts of blood cell function and blood plasma function, and has four functions of transportation, regulation of animal body temperature, defense, regulation of animal body osmotic pressure and acid-base balance. Generally, the blood of a healthy animal body is in a reasonable interval in terms of components and physical and chemical properties, and if the components and the physical and chemical properties of the blood are changed, the health state of the animal body is changed, so blood collection inspection is an important means for diagnosing animal body diseases, and common blood collection methods include venous blood collection and fingertip blood collection. Blood sampling is usually great, and blood sampling's usage is many, can be used for biochemical detection, free nucleic acid detection etc. but blood sampling is usually need to be handled the operation by professional medical personnel's manual, can't gather through self-service form, makes medical personnel's blood sampling work load great. In order to realize self-help simple and rapid blood sampling operation, the Chinese patent with application number 2020106505289 provides a disposable simple self-help painless blood sampling device, which comprises an outer shell, wherein the inner part of the outer shell is divided into an upper cavity and a lower cavity, an annular silica gel ring is arranged at the bottom of the lower side of the outer shell, a liquid guiding glue seal is arranged on the upper cavity, a pressing block is slidably connected to the middle part of the upper cavity, a cavity is arranged in the pressing block, an annular needle and knife assembly is arranged at the bottom of the lower end of the pressing block, a liquid guiding joint is connected to the upper end of the annular needle and knife assembly, a plastic liquid guiding pipe is fixedly connected to the liquid guiding joint, a liquid guiding needle head is fixedly connected to the plastic liquid guiding pipe, an annular baffle is arranged on the lower cavity, the annular baffle is positioned between the liquid guiding glue seal and the pressing block, a blood storage cavity is formed between, the spring is fixedly connected with the annular limit stop, and the middle part of the lower side of the lower cavity is also provided with a first rubber seal.
According to the disposable simple self-service painless blood sampling device, the single needle is adopted for sampling blood, and due to the influence of single wound and blood vessel distribution, the blood sampling wound is easy to heal, so that the blood sampling amount cannot meet the blood detection requirement; secondly, because the fixing is carried out by adopting a hand-held pressing mode, the animal is easy to fall off due to the movement of the animal when the animal is subjected to blood sampling, and the hormone immune data of the blood detection is inaccurate due to the stress reaction of the movement.
Disclosure of Invention
The invention aims to solve the technical problem of providing a clamping type annular micro-needle knife Tesla valve high-efficiency painless blood sampling device, which is used for solving the defects of the existing self-service blood sampling device.
In order to solve the technical problems, the technical scheme of the invention is as follows:
the invention provides a clamping type annular microneedle knife Tesla valve efficient painless blood sampling device which comprises a shell, wherein the interior of the shell is divided into an upper cavity and a lower cavity from top to bottom, and a vacuumized blood storage cavity is arranged around the lower cavity; the middle part of the upper cavity is slidably connected with a pressing block, the upper end of the pressing block penetrates through the shell, and the lower end of the pressing block penetrates through the upper cavity and extends into the lower cavity; the lower end of the pressing block is provided with an annular needle knife assembly, and a blood collection rubber seal is arranged at the bottom of the lower cavity corresponding to the annular needle knife assembly; a plurality of return springs are further arranged in the lower cavity and connected with the extrusion block through an annular limit stop block, so that the initial position of the annular needle knife assembly is in the lower cavity; the upper end of the annular needle knife assembly is connected with a plurality of liquid guide tubes, liquid guide needles are arranged at the other ends of the liquid guide tubes, the liquid guide tubes and the liquid guide needles are arranged in the upper cavity at initial positions, and liquid guide glue seals are arranged on cavity partition plates between the upper cavity and the blood storage cavity corresponding to the liquid guide needles.
Furthermore, the annular needle knife assembly comprises a needle knife shell and a needle knife fixing ring arranged at the lower end of the needle knife shell, a plurality of needle knife parts are uniformly arranged on the circumference of the lower end of the needle knife fixing ring, needle tube parts are arranged corresponding to the needle knife parts in a fitting mode, and a liquid collecting ring tube is connected to the upper end of each needle tube part.
Furthermore, a Tesla valve pipe is arranged in the needle knife shell, the inlet end of the Tesla valve pipe is connected with the liquid collecting ring pipe, and the outlet pipe of the Tesla valve pipe is connected with the liquid guide pipe.
Furthermore, a wire passing groove hole is formed in the pressing block, and the upper end of a Tesla valve tube of the annular needle knife assembly is connected with one end of the liquid guide tube through a liquid guide joint.
Furthermore, the blood storage cavity is isolated from the lower cavity through an annular wall plate, the lower end of the return spring in the lower cavity is fixed through a spring seat, and the upper end of the return spring is abutted to the annular limit stop.
Further, still be provided with the rubber buffer on the casing, correspond the rubber stopper is in the cavity baffle is provided with gets blood and glues and seals. Such structure, when carrying out blood detection, through opening the rubber buffer, use the syringe needle to insert and pass and get the blood glue and seal, the blood that can be convenient will gather is taken out and is detected.
Furthermore, the edge of the lower end of the shell is provided with a clamping convex ring for clamping and fixing, the lower surface of the shell is provided with an annular silica gel ring, and the blood collection rubber seal is arranged in the annular silica gel ring.
Optionally, the side of the shell is provided with a plurality of transparent windows distributed circumferentially corresponding to the blood storage cavity, and one side of each transparent window is provided with scale marks. Such a configuration facilitates the user to view and quantitatively collect blood.
Furthermore, the clamping type annular microneedle knife tesla valve efficient painless blood sampling device further comprises a clamping mechanism, the clamping mechanism is provided with an upper clamping plate and a lower clamping plate, two opposite sides of the upper clamping plate and/or the lower clamping plate are/is respectively provided with a clamping groove, and the clamping grooves are matched with clamping convex rings on the edge of the lower end of the shell; one end of each of the upper clamping plate and the lower clamping plate is provided with a sliding seat, the sliding seats are arranged in a slideway in the clamping seat body, and the sliding seats are squeezed and clamped through clamping springs arranged at the upper end and the lower end of the slideway, so that the initial positions of the upper clamping plate and the lower clamping plate are mutually attached; and the two ends of the clamping seat body correspond to the pressing blocks and are respectively provided with a pressing limiting plate.
Furthermore, the clamping base body is provided with a sliding groove along the axis direction of the sliding way, and the upper clamping plate and the lower clamping plate are respectively connected with one sliding seat through the sliding groove.
Optionally, a clamping groove protrusion is respectively arranged in the clamping groove, and the clamping groove protrusion is matched with the circumferential surface of the clamping convex ring to fix the shell in the upper clamping plate and/or the lower clamping plate.
Furthermore, the upper end and the lower end of the clamping seat body are respectively connected with a shifting rod corresponding to the sliding seat, the clamping spring is sleeved on the shifting rod in the slide way, one end of the shifting rod is connected with the sliding seat, and the other end of the shifting rod is arranged at the end part of the clamping seat body.
Further, the one end of pressing down the limiting plate is used in press on the briquetting, the other end is in centre gripping pedestal both ends are established respectively on the driving lever, be provided with first spacing buckle and the spacing buckle of second on the driving lever, press be provided with on the limiting plate with first spacing buckle perhaps the buckle cooperation portion that the spacing buckle of second corresponds, first spacing buckle and the spacing buckle of second correspond respectively press the briquetting initial position and press the blood sampling position.
By adopting the technical scheme, the self-service disposable blood sampling device provided by the invention has the advantages that the annular needle knife assembly is adopted, a plurality of needle tubes simultaneously puncture the skin of an animal body during blood sampling, the amount of bleeding in unit time is increased, and secondly, the annular needle knife assembly adopts a Tesla valve tube, and the characteristic of the Tesla valve is utilized to effectively prevent blood from flowing back; in addition, in order to facilitate the fixation of the blood sampling device when the blood sampling is carried out on ears or legs of animals and poultry, and prevent the generation of stress reaction due to the movement of animals, a clamping mechanism is also provided, one or two blood sampling devices can be clamped and fixed by the clamping mechanism, the blood sampling action is automatically completed, and the use convenience of the blood sampling device is greatly improved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a top view of the clamping type annular microneedle knife Tesla valve high-efficiency painless blood sampling device of the present invention;
FIG. 2 is a front view of the clamping type annular microneedle knife Tesla valve high-efficiency painless blood sampling device of the present invention;
FIG. 3 is a cross-sectional view of the clamping annular microneedle knife Tesla valve high efficiency painless lancing device of the present invention;
FIG. 4 is a sectional view of the clamping type annular micro-needle knife Tesla valve high-efficiency painless blood sampling device of the present invention in a pressed state;
FIG. 5 is a cross-sectional view of the annular needle-knife assembly of the clamping annular microneedle Tesla valve high efficiency painless lancing device of the present invention;
FIG. 6 is a bottom view of the annular needle-knife assembly of the clamping annular microneedle Tesla valve high efficiency painless blood collection device of the present invention;
FIG. 7 is a cross-sectional view of a clamping mechanism of the present invention;
FIG. 8 is a cross-sectional view of the clamping mechanism of the present invention in an open state;
FIG. 9 is a top view of the clamping mechanism of the present invention;
FIG. 10 is a cross-sectional view of the clamping state of the clamping type annular microneedle knife Tesla valve high-efficiency painless blood sampling device of the present invention;
FIG. 11 is a sectional view of the clamping and pressing state of the clamping type annular microneedle knife Tesla valve high-efficiency painless blood sampling device of the present invention;
FIG. 12 is a cross-sectional view of the clamping state of two clamping type annular microneedle knife Tesla valve high-efficiency painless blood sampling devices of the present invention;
FIG. 13 is a cross-sectional view of the clamping and pressing state of two clamping type annular microneedle knife Tesla valve high-efficiency painless blood sampling devices of the present invention;
in the figure, 10-blood sampling device, 11-shell, 12-upper cavity, 13-blood storage cavity, 14-lower cavity, 15-annular needle knife component, 16-pressing block, 161-wire passing slot hole, 17-annular limit stop, 18-reset spring, 19-spring seat, 110-cavity partition, 111-annular wall plate, 112-liquid guide joint, 113-liquid guide pipe, 114-liquid guide needle head, 115-liquid guide glue seal, 116-blood collection glue seal, 117-transparent window, 118-graduation line, 119-rubber plug, 120-annular silica gel ring and 121-clamping convex ring; 151-needle knife shell, 152-Tesla valve tube, 153-liquid collecting ring tube, 154-needle tube part, 155-needle knife part and 156-needle knife fixing ring;
20-clamping mechanism, 21-clamping seat body, 22-slideway, 23-slideway, 24-upper clamping plate, 25-lower clamping plate, 26-sliding seat, 27-clamping spring, 28-deflector rod, 29-clamping groove, 210-clamping groove bulge, 211-pressing limiting plate, 212-first limiting buckle, 213-second limiting buckle and 214-buckle matching part;
30-blood sampling part.
Detailed Description
The following further describes embodiments of the present invention with reference to the drawings. It should be noted that the description of the embodiments is provided to help understanding of the present invention, but the present invention is not limited thereto. In addition, the technical features involved in the embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.
Example 1
As shown in fig. 1 to 3, the embodiment of the present invention provides a clamping type annular microneedle knife tesla valve high-efficiency painless blood sampling device 10, which comprises a housing 11, wherein the interior of the housing 11 is divided into an upper cavity 12 and a lower cavity 14 from top to bottom, and a vacuumized blood storage cavity 13 is arranged around the lower cavity 14; the middle part of the upper cavity 12 is slidably connected with a pressing block 16, the upper end of the pressing block 16 penetrates through the shell 11, and the lower end of the pressing block penetrates through the upper cavity 12 and extends into the lower cavity 14; the lower end of the pressing block 16 is provided with an annular needle-knife assembly 15, and a blood collection rubber seal 116 is arranged at the bottom of the lower cavity 14 corresponding to the annular needle-knife assembly 15; a plurality of return springs 18 are further arranged in the lower cavity 14, and the return springs 18 are connected with the extrusion block 16 through an annular limit stop 17, so that the initial position of the annular needle-knife assembly 15 is in the lower cavity 14; the upper end of the annular needle-knife assembly 15 is connected with a plurality of liquid guide tubes 113, the other end of the liquid guide tube 113 is provided with a liquid guide needle 114, the liquid guide tube 113 and the liquid guide needle 114 are arranged in the upper cavity 12 at initial positions, and a liquid guide glue seal 115 is arranged on the cavity partition plate 110 between the upper cavity 12 and the blood storage cavity 13 corresponding to the liquid guide needle 114.
As shown in fig. 5 and 6, the annular needle-knife assembly 15 includes a needle-knife housing 151 and a needle-knife fixing ring 156 disposed at the lower end of the needle-knife housing 151, wherein a plurality of needle-knife portions 155 are disposed on the lower end of the needle-knife fixing ring 156 at a uniform circumference, a needle tube portion 154 is disposed to be attached to each needle-knife portion 155, and a liquid collecting ring 153 is connected to the upper end of the needle tube portion 154.
Specifically, a tesla valve tube 152 is arranged in the needle knife housing 151, the inlet end of the tesla valve tube 152 is connected with the liquid collecting ring tube 153, and the outlet tube of the tesla valve tube 152 is connected with the liquid guide tube 113. As shown in fig. 4, during blood collection, the blood collecting device 10 is attached to a part to be collected, the pressing block 16 is pressed downwards, the pressing block 16 moves downwards, the annular limit stop 17 moves downwards, the spring is compressed against the elastic force of the return spring 18, on one hand, the annular needle-knife assembly 15 of the lower cavity 14 passes through the blood collection rubber seal 116, so that the annular needle-knife assembly 15 can puncture the blood vessel of the animal body to collect blood, on the other hand, the liquid guide needle 114 in the upper cavity 12 can pass through the liquid guide rubber seal 115 and enter the blood storage cavity 13, because the blood storage cavity 13 is in a vacuum state, negative pressure can be formed, blood of the animal body is drawn out by the annular needle-knife assembly 15 and flows to each liquid guide tube 113 through the liquid guide joint 112 inside the line groove hole 161 in the pressing block 16, the finally collected blood is collected into the blood storage cavity 13 through the liquid guide needle 114, and anticoagulant can be placed in the blood storage cavity 13, the collected blood is prevented from coagulating; after the collection is finished, the pressing block 16 is loosened, the return spring 18 is elastically rebounded to reset, the annular limit stop 17 is driven to ascend, the pressing block 16 is made to ascend, the annular needle-knife assembly 15 is retracted into the lower cavity 14 again, the phenomenon that an animal body is mistakenly touched to cause injury is avoided, and meanwhile the liquid guide needle head 114 ascends to reset to be separated from the liquid guide glue seal 115 and retracted into the upper cavity 12.
The device only needs to be pressed on the blood sampling part, the pressing block 16 is pressed downwards to sample blood of the animal body, the structure is simple, the operation and the use are convenient, the collection can be carried out in a self-service mode, and the workload of medical personnel is reduced. Due to the adoption of the annular needle knife assembly 15, the annular needle knife assembly 15 is provided with the needle knife parts 155 and the needle tube parts 154 which are uniformly distributed on the circumference, a plurality of blood sampling wounds can be generated at the blood sampling part, the insufficient blood sampling amount of a single wound is avoided, and the condition of blood sampling failure caused by wound healing is avoided. In addition, a tesla valve tube 152 is disposed in the annular needle-knife assembly 15, and the tesla valve is a passive one-way conduction valve with a fixed geometry, which allows one-way fluid flow. The valve has a fixed geometric shape, so that the defect that the traditional valve is easy to damage due to the requirement of a movable part is overcome, and the valve can replace a movable valve. Because the fluid has inertia, the flow resistance is different when the fluid passes through the valve in different directions, so that the one-way circulation is realized, and the combined channel is called as a Tesla valve. The unidirectional property of the Tesla valve is utilized, so that the risk of blood backflow during blood sampling is avoided.
Specifically, a wire passing slot 161 is arranged in the pressing block 16, and the upper end of the tesla valve tube 152 of the annular needle-knife assembly 15 is connected with one end of the liquid guide tube 113 through a liquid guide joint 112.
The blood storage cavity 13 and the lower cavity 14 are isolated from each other by an annular wall plate 111, the lower end of the return spring 18 in the lower cavity 14 is fixed by a spring seat 19, and the upper end of the return spring abuts against the annular limit stop 17.
Optionally, the upper surface of the liquid guiding glue sealing 115 is provided with a conical micropore matched with the position of the liquid guiding needle 114, the bottom surface of the conical micropore faces upwards, and the vertex faces downwards. With the structure, when the liquid guide needle 114 is not inserted into the liquid guide glue seal 115, the lower end of the conical micropore can be elastically plugged due to the elasticity of the liquid guide glue seal 115, so that air is prevented from entering the vacuum environment between the lower cavity 14 and the annular wall plate 111; when drain syringe needle 114 inserts drain glue seal 115, drain syringe needle 114 arouses to insert drain glue seal 115 elasticity expansion, make toper micropore grow, thereby make the lower cavity 14 of inserting that drain syringe needle 114 can be convenient, vacuum pumping formation negative pressure extraction blood between cavity 14 and annular wallboard 111 down, after the extraction is accomplished, extract drain syringe needle 114, drain glue seal 115 kick-backs, the initial condition is got back to the toper micropore, thereby make blood can not leak from drain glue seal 115, make blood can obtain preserving well, and convenient to carry. Specifically, the bottom surface of the tapered micro-hole is in any one shape of a circle and a regular polygon. The structure makes the structure of the conical micropore simple, and is convenient for processing and production.
Wherein, still be provided with rubber buffer 119 on the casing 11, correspond rubber buffer 119 be provided with the rubber of getting blood and seal (not shown) at cavity baffle 110. Such structure, when carrying out blood detection, through opening rubber buffer 119, use the syringe needle to insert and pass and get the blood glue and seal, the blood that can be convenient will gather is taken out and is detected.
Specifically, a clamping convex ring 121 for clamping and fixing is arranged at the edge of the lower end of the shell 11, an annular silica gel ring 120 is arranged on the lower surface of the shell 11, and the blood collection rubber seal 116 is arranged in the annular silica gel ring 120. Before blood is extracted, a user can tightly press and attach the annular silica gel ring 120 to the surface of the skin on the arm or other trunk parts of an animal body, when the annular silica gel ring 120 is tightly attached to the skin, nerve endings can be pressed to reduce pain, and blood at the attached part can be collected to facilitate blood collection.
Optionally, a plurality of transparent windows 117 distributed circumferentially are arranged on the side surface of the shell 11 corresponding to the blood storage cavity 1, and scale lines 118 are arranged on one side of the transparent windows 117. Such a configuration facilitates the user to view and quantitatively collect blood.
As shown in fig. 7-9, the clamping type annular microneedle blade tesla valve efficient painless blood sampling device further comprises a clamping mechanism 20, the clamping mechanism 20 is provided with an upper clamping plate 24 and a lower clamping plate 25, two opposite sides of the upper clamping plate 24 and/or the lower clamping plate 25 are respectively provided with a clamping slot 29, and the clamping slot 29 is matched with a clamping convex ring 121 on the lower end edge of the housing 11; one end of each of the upper clamping plate 24 and the lower clamping plate 25 is provided with a sliding seat 26, the sliding seats 26 are arranged in the slide ways 22 in the clamping seat body 21, and the sliding seats 26 are squeezed and clamped by clamping springs 27 arranged at the upper end and the lower end of the slide ways 22, so that the initial positions of the upper clamping plate 24 and the lower clamping plate 25 are attached to each other; the two ends of the clamping seat body 21 are respectively provided with a pressing limit plate 211 corresponding to the pressing block 16.
Specifically, the clamping seat body 21 is provided with a sliding groove 23 along the axial direction of the sliding rail 22, and the upper clamping plate 24 and the lower clamping plate 25 are respectively connected with one sliding seat 26 through the sliding groove 23.
Optionally, the clamping grooves 29 are respectively provided with a groove protrusion 210, and the groove protrusion 210 is matched with the circumferential surface of the clamping convex ring 121 to fix the housing 11 in the upper clamping plate 24 and/or the lower clamping plate 25.
The upper end and the lower end of the clamping seat body 21 are respectively connected with a shift lever 28 corresponding to the sliding seat 26, the clamping spring 27 is sleeved on the shift lever 28 in the slide way 22, one end of the shift lever 28 is connected with the sliding seat 26, and the other end is arranged at the end of the clamping seat body 21.
Specifically, the one end of pressing limiting plate 211 is used in pressing on the piece 16, and the other end is in centre gripping pedestal 21 both ends are established respectively on the driving lever 28, be provided with first spacing buckle and the spacing buckle 213 of 212 second on the driving lever 28, press be provided with on the limiting plate 211 with first spacing buckle 212 or the buckle cooperation portion 214 that the spacing buckle 213 of second corresponds, first spacing buckle 212 and the spacing buckle 213 of second correspond respectively press the piece 16 initial position and press the blood sampling position.
As shown in fig. 10 and 11, a blood sampling device 10 is mounted on the upper clamping plate 24 of the clamping mechanism 20, the clamping convex ring 121 of the blood sampling device 10 is inserted into the clamping slot 29 of the upper clamping plate 24, and the blood sampling device 10 is fixed in the clamping slot 29 through the slot protrusion 210, the shift lever 28 is pulled outwards along the axial direction of the clamping seat body 21, the clamping spring 27 is compressed, the upper clamping plate 24 and the lower clamping plate 25 are opened and clamped to a blood sampling position, the shift lever 28 is released to clamp and fix the blood sampling device 10 under the action of the clamping spring 27, the pressing limit plate 211 is shifted from the first limit buckle 212 to the second limit buckle 213, the pressing block 16 is driven to move downwards, the annular limit block 17 moves downwards, the spring is compressed against the elastic force of the return spring 18, on one hand, the annular needle-knife assembly 15 of the lower cavity 14 passes through the blood sampling rubber seal 116, so that the annular needle-knife assembly 15 can puncture the blood vessel of an animal, on the other hand, the liquid guiding needle 114 in the upper cavity 12 can pass through the liquid guiding glue seal 115 and enter the blood storage cavity 13, negative pressure can be formed due to the vacuum state in the blood storage cavity 13, blood of an animal body is pumped out by the annular needle-knife assembly 15 and flows to each liquid guiding tube 113 through the liquid guiding joint 112 inside the line passing groove hole 161 in the pressing block 16, and finally the collected blood is collected into the blood storage cavity 13 through the liquid guiding needle 114. Therefore, the user can automatically complete the blood sampling operation without limiting the movement of the animal body and pressing the pressing block 16 all the time.
As shown in fig. 12 and 13, the upper holding plate 24 and the lower holding plate 25 of the holding mechanism 20 are respectively provided with one blood sampling device 10, and each blood sampling device 10 operates as described above, so that blood can be sampled from both sides of the blood sampling portion 30 at the same time, and the blood sampling amount is greatly increased.
According to the self-service disposable blood sampling device, the annular needle knife assembly is adopted, a plurality of needle tubes simultaneously puncture the skin of an animal body during blood sampling, the amount of bleeding in unit time is increased, and then the annular needle knife assembly adopts a Tesla valve tube, so that the blood backflow is effectively prevented by utilizing the characteristic of the Tesla valve; in addition, in order to facilitate the fixation of the blood sampling device when the blood sampling is carried out on ears or legs of animals and poultry, and prevent the generation of stress reaction due to the movement of animals, a clamping mechanism is also provided, one or two blood sampling devices can be clamped and fixed by the clamping mechanism, the blood sampling action is automatically completed, and the use convenience of the blood sampling device is greatly improved.
The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the described embodiments. It will be apparent to those skilled in the art that various changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, and the scope of protection is still within the scope of the invention.
In the description of the present patent application, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", "row", "column", etc., indicate orientations and positional relationships based on those shown in the drawings, and are used merely for convenience of describing and simplifying the present patent application, and do not indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the novel aspects of the present patent application.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present patent application, "plurality" means at least two, e.g., two, three, etc., unless explicitly specified otherwise.
In the patent of the invention, unless otherwise explicitly specified or limited, the terms "mounted", "connected", "fixed", and the like are to be understood in a broad sense, and for example, may be fixedly connected, detachably connected, or integrated; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present patent can be understood by those skilled in the art according to specific situations.
In the patent of the invention, unless otherwise explicitly specified or limited, a first feature "on" or "under" a second feature may be directly contacted with the first and second features or indirectly contacted with the first and second features through an intermediate. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.
Claims (10)
1. The clamping type annular microneedle knife Tesla valve efficient painless blood sampling device is characterized by comprising a shell, wherein the interior of the shell is divided into an upper cavity and a lower cavity from top to bottom, and a vacuumized blood storage cavity is arranged around the lower cavity; the middle part of the upper cavity is slidably connected with a pressing block, the upper end of the pressing block penetrates through the shell, and the lower end of the pressing block penetrates through the upper cavity and extends into the lower cavity; the lower end of the pressing block is provided with an annular needle knife assembly, and a blood collection rubber seal is arranged at the bottom of the lower cavity corresponding to the annular needle knife assembly; a plurality of return springs are further arranged in the lower cavity and connected with the extrusion block through an annular limit stop block, so that the initial position of the annular needle knife assembly is in the lower cavity; the upper end of the annular needle knife assembly is connected with a plurality of liquid guide tubes, liquid guide needles are arranged at the other ends of the liquid guide tubes, the liquid guide tubes and the liquid guide needles are arranged in the upper cavity at initial positions, and liquid guide glue seals are arranged on cavity partition plates between the upper cavity and the blood storage cavity corresponding to the liquid guide needles.
2. The clamping type annular microneedle knife tesla valve efficient painless blood sampling device according to claim 1, characterized in that the annular needle knife assembly comprises a needle knife housing and a needle knife fixing ring arranged at the lower end of the needle knife housing, a plurality of needle knife portions are arranged on the lower end of the needle knife fixing ring at a uniform circumference, a needle tube portion is arranged corresponding to each needle knife portion in a fitting manner, and a liquid collecting ring tube is connected to the upper end of the needle tube portion.
3. The clamping type annular microneedle knife tesla valve high-efficiency painless blood sampling device as claimed in claim 2, characterized in that a tesla valve tube is arranged in the needle knife housing, the inlet end of the tesla valve tube is connected with the liquid collecting ring tube, and the outlet tube of the tesla valve tube is connected with the liquid guide tube.
4. The clamping type annular microneedle knife tesla valve high-efficiency painless blood sampling device as claimed in claim 3, wherein a wire passing groove hole is arranged in the pressing block, and the upper end of the tesla valve tube of the annular needle knife assembly is connected with one end of the liquid guide tube through a liquid guide joint.
5. The clamping type annular microneedle knife tesla valve high-efficiency painless blood sampling device according to claim 1, characterized in that the blood storage cavity and the lower cavity are isolated from each other by an annular wall plate, the lower end of the return spring in the lower cavity is fixed by a spring seat, and the upper end of the return spring is abutted against the annular limit stop.
6. The clamping type annular microneedle knife tesla valve high-efficiency painless blood sampling device according to claim 1, characterized in that a rubber plug is further arranged on the housing, and a blood sampling rubber seal is arranged corresponding to the rubber plug on the cavity partition plate; the blood sampling device is characterized in that a clamping convex ring used for clamping and fixing is arranged on the edge of the lower end of the shell, an annular silica gel ring is arranged on the lower surface of the shell, and the blood sampling rubber seal is arranged in the annular silica gel ring.
7. The clamping type annular microneedle knife tesla valve efficient painless blood sampling device according to claim 6, characterized in that the clamping type annular microneedle knife tesla valve efficient painless blood sampling device further comprises a clamping mechanism, the clamping mechanism is provided with an upper clamping plate and a lower clamping plate, two opposite sides of the upper clamping plate and/or the lower clamping plate are respectively provided with a clamping groove, and the clamping groove is matched with a clamping convex ring at the lower end edge of the shell; one end of each of the upper clamping plate and the lower clamping plate is provided with a sliding seat, the sliding seats are arranged in a slideway in the clamping seat body, and the sliding seats are squeezed and clamped through clamping springs arranged at the upper end and the lower end of the slideway, so that the initial positions of the upper clamping plate and the lower clamping plate are mutually attached; and the two ends of the clamping seat body correspond to the pressing blocks and are respectively provided with a pressing limiting plate.
8. The clamping type annular microneedle knife tesla valve high-efficiency painless blood sampling device according to claim 7, wherein the clamping seat body is provided with a sliding groove along the axial direction of the sliding way, and the upper clamping plate and the lower clamping plate are respectively connected with one sliding seat through the sliding groove.
9. The clamping type annular microneedle knife tesla valve high-efficiency painless blood sampling device according to claim 7, characterized in that the upper and lower ends of the clamping base body are respectively connected with a shift lever corresponding to the sliding base, the clamping spring is sleeved on the shift lever in the slide way, one end of the shift lever is connected with the sliding base, and the other end is arranged at the end of the clamping base body.
10. The efficient painless blood sampling device of clamping-type annular microneedle knife tesla valve according to claim 9, characterized in that, one end of the pressing limiting plate acts on the pressing block, the other end of the pressing limiting plate is arranged at two ends of the clamping base body and sleeved on the shifting rod respectively, a first limiting buckle and a second limiting buckle are arranged on the shifting rod, a buckle matching portion corresponding to the first limiting buckle or the second limiting buckle is arranged on the pressing limiting plate, and the first limiting buckle and the second limiting buckle correspond to the pressing block initial position and the pressing blood sampling position respectively.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110402396.2A CN113080963A (en) | 2021-04-14 | 2021-04-14 | High-efficient painless blood sampling device of centre gripping formula annular micropin sword tesla valve |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110402396.2A CN113080963A (en) | 2021-04-14 | 2021-04-14 | High-efficient painless blood sampling device of centre gripping formula annular micropin sword tesla valve |
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| CN113080963A true CN113080963A (en) | 2021-07-09 |
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| CN202110402396.2A Pending CN113080963A (en) | 2021-04-14 | 2021-04-14 | High-efficient painless blood sampling device of centre gripping formula annular micropin sword tesla valve |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115590526A (en) * | 2022-09-09 | 2023-01-13 | 王忠德（Cn） | A new lead wire system for electrocardiograph |
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| CN105025948A (en) * | 2012-12-31 | 2015-11-04 | 麦德提格有限责任公司 | Infusion and blood collection device and method |
| CN109394237A (en) * | 2017-08-17 | 2019-03-01 | 李泉 | A kind of blood-taking device and its control equipment |
| CN111657968A (en) * | 2020-07-08 | 2020-09-15 | 深圳市华云智能健康有限公司 | Disposable simple self-service painless blood sampling device |
| CN216535300U (en) * | 2021-04-14 | 2022-05-17 | 深圳市华云智能健康有限公司 | High-efficient painless blood sampling device of centre gripping formula annular micropin sword tesla valve |
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2021
- 2021-04-14 CN CN202110402396.2A patent/CN113080963A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105025948A (en) * | 2012-12-31 | 2015-11-04 | 麦德提格有限责任公司 | Infusion and blood collection device and method |
| CN109394237A (en) * | 2017-08-17 | 2019-03-01 | 李泉 | A kind of blood-taking device and its control equipment |
| CN111657968A (en) * | 2020-07-08 | 2020-09-15 | 深圳市华云智能健康有限公司 | Disposable simple self-service painless blood sampling device |
| CN216535300U (en) * | 2021-04-14 | 2022-05-17 | 深圳市华云智能健康有限公司 | High-efficient painless blood sampling device of centre gripping formula annular micropin sword tesla valve |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN115590526A (en) * | 2022-09-09 | 2023-01-13 | 王忠德（Cn） | A new lead wire system for electrocardiograph |
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