CN110916685A - Blood sampler - Google Patents
Blood sampler Download PDFInfo
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- CN110916685A CN110916685A CN201911071366.7A CN201911071366A CN110916685A CN 110916685 A CN110916685 A CN 110916685A CN 201911071366 A CN201911071366 A CN 201911071366A CN 110916685 A CN110916685 A CN 110916685A
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- rod
- fixedly connected
- blood
- plate
- screw
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- 239000008280 blood Substances 0.000 title claims abstract description 79
- 210000004369 blood Anatomy 0.000 title claims abstract description 79
- 230000006835 compression Effects 0.000 claims description 9
- 238000007906 compression Methods 0.000 claims description 9
- 210000004204 blood vessel Anatomy 0.000 claims description 5
- 239000012780 transparent material Substances 0.000 claims description 4
- 239000011148 porous material Substances 0.000 claims description 3
- 238000000034 method Methods 0.000 claims description 2
- 238000005070 sampling Methods 0.000 claims description 2
- 238000010241 blood sampling Methods 0.000 abstract description 6
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000001125 extrusion Methods 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 210000005077 saccule Anatomy 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
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Classifications
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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
-
- 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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- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Heart & Thoracic Surgery (AREA)
- Medical Informatics (AREA)
- Biophysics (AREA)
- Pathology (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Hematology (AREA)
- Physics & Mathematics (AREA)
- Molecular Biology (AREA)
- Surgery (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Sampling And Sample Adjustment (AREA)
Abstract
The invention discloses a blood sampler, which comprises a frame body component, a blood sampling barrel and a base component, wherein the upper end of the base is fixedly connected with a vertical plate, the upper end of the vertical plate is fixedly connected with a left clamping rod, the front end of the left clamping rod is provided with a left arc-shaped groove, the right end of the left clamping rod is fixedly connected with a transverse rail rod, the rear end of the right clamping rod is slidably connected to the transverse rail rod, the front end of the right clamping rod is provided with a right arc-shaped groove, the right end of the transverse rail rod is fixedly connected with a pressing screw seat, the pressing screw seat is connected with a pressing screw through threads, the left end of the pressing screw is propped against the right clamping rod, and the upper end of the left clamping rod is fixedly connected with a vertical rod.
Description
Technical Field
The invention relates to a sampler, in particular to a blood sampler.
Background
The main body comprises a vertical part and a conical part, the upper part of the vertical part is hermetically provided with a filter layer, the upper part of the filter layer is provided with a disposable blood taking needle inserting port, the upper part of the vertical part is provided with an end cover with an extrusion saccule, and the extrusion saccule is communicated with the vertical part through a communicating pipe; the lower part of the vertical part is integrally provided with a conical part, the bottom of the conical part is provided with a one-way valve, the one-way valve is communicated with the liquid outlet nozzle, and a bottom cover is sleeved outside the liquid outlet nozzle; the main body is provided with scale marks, and the middle part of the vertical part is provided with a holding concave part; the invention can ensure the sterile environment before and after sampling; the main body can be prevented from sliding off in the blood sampling process, and the holding is more stable and reliable; the blood sampling amount can be visually seen; the quantitative transfer of the blood sample can be realized, and the blood sampling device is more efficient, safe and convenient, has clinical use value and is worthy of being widely popularized. However, such blood samplers do not accurately remove blood.
Disclosure of Invention
The present invention is directed to a blood sampler, which solves the above problems of the prior art.
In order to realize the purpose, the invention provides the following technical scheme: a blood sampler comprises a frame component, a blood sampling barrel and a base component, wherein the frame component comprises a vertical plate, a right arc-shaped groove, a pressure screw seat, a right clamping rod, a transverse rail rod, a left clamping rod, a fastening screw, a convex plate inter-groove, a vertical rod, a left arc-shaped groove and a base, the upper end of the base is fixedly connected with the vertical plate, the upper end of the vertical plate is fixedly connected with the left clamping rod, the front end of the left clamping rod is provided with the left arc-shaped groove, the right end of the left clamping rod is fixedly connected with the transverse rail rod, the rear end of the right clamping rod is slidably connected onto the transverse rail rod, the front end of the right clamping rod is provided with the right arc-shaped groove, the right end of the transverse rail rod is fixedly connected with the pressure screw seat, the pressure screw seat is connected onto the pressure screw through threads, the left end of the pressure screw is propped against the right clamping rod, the upper end of the left clamping rod is fixedly connected with the vertical rod, the upper end of the vertical rod is fixedly connected with two convex plates, a groove between the convex plates is formed between the two convex plates, the convex plate at the upper end is connected with the fastening screw through threads, the lower end of the fastening screw is inserted into the groove between the convex plates, and the base is connected to the base component in a sliding manner;
the invention also provides a blood drawing tube, wherein a drawing rod, a circular ring, a rotary disc and a circular ring extension rod are arranged on the blood drawing tube, a rubber piston is arranged at the lower end of the drawing rod, the rubber piston on the drawing rod is inserted into the blood drawing tube, threads are arranged on the drawing rod, the circular ring is matched with the drawing rod through the threads, the rotary disc is fixedly connected at the upper end of the drawing rod, the circular ring extension rod is fixedly connected at the left end of the circular ring, the circular ring extension rod is inserted into a groove between convex plates, and the blood drawing tube clamp is arranged between the right arc-shaped groove and the left arc-shaped groove.
Preferably, the support body assembly further comprises a threaded hole plate and a rectangular through groove, the base is provided with the rectangular through groove which is reversed left and right, and the middle position of the front end of the base is fixedly connected with the threaded hole plate.
The invention also provides a base assembly, preferably, the base assembly comprises an upper plate, a screw rod, a rotary piece, a baffle ring, a front convex seat, a bottom plate and connecting side plates, the left end and the right end of the upper end of the bottom plate are fixedly connected with the connecting side plates, the upper ends of the two connecting side plates are fixedly connected with the upper plate, the left end and the right end of the front end of the upper plate are fixedly connected with the front convex seat, the screw rod is inserted between the two front convex seats in a clearance fit manner, the baffle ring is fixedly connected with the left end and the right end of the screw rod, the rotary piece is fixedly connected with the right end of the screw rod, the base is slidably connected to the upper plate through the rectangular through groove, and the screw rod is matched with the threaded hole plate through threads.
Preferably, the two baffle rings are respectively attached to the outer end faces of the two front bosses.
Preferably, the blood drawing tube is made of transparent materials, and the blood drawing tube is provided with scale marks.
Compared with the prior art, the invention has the beneficial effects that:
1. the blood sampler is characterized in that a vertical plate is fixedly connected to the upper end of a base, a left clamping rod is fixedly connected to the upper end of the vertical plate, a left arc-shaped groove is formed in the front end of the left clamping rod, a transverse rail rod is fixedly connected to the right end of the left clamping rod, the rear end of the right clamping rod is slidably connected to the transverse rail rod, a right arc-shaped groove is formed in the front end of the right clamping rod, a compression screw seat is fixedly connected to the right end of the transverse rail rod, a compression screw is connected to the compression screw seat through threads, the left end of the compression screw abuts against the right clamping rod, a vertical rod is fixedly connected to the upper end of the left clamping rod, two convex plates are fixedly connected to the upper end of the vertical rod, a convex plate inter-groove is formed between the two convex plates, a fastening screw is connected to the convex plate on the upper end through threads, the lower end of the fastening screw is inserted into the convex plate inter-groove, thereby leading the right clamping rod and the left clamping rod to fasten the blood drawing collet chucks with different specifications;
2. according to the blood sampler, the rubber piston is arranged at the lower end of the drawing rod, the rubber piston on the drawing rod is inserted into the blood drawing barrel, the drawing rod is provided with threads, the ring is matched with the drawing rod through the threads, the upper end of the drawing rod is fixedly connected with the rotary disc, the left end of the ring is fixedly connected with the ring extension rod, the ring extension rod is inserted into the groove between the convex plates, and the blood drawing collet chuck is arranged between the right arc-shaped groove and the left arc-shaped groove, so that the ring extension rod is inserted into the groove between the convex plates, and the fastening screw abuts against the upper end of the ring extension rod to fix the ring extension rod, so that the position of the ring is also fixed; the lower end of the blood drawing tube is sleeved with a blood drawing tube with a needle, the needle is inserted into a blood vessel of a human body, the rotating disc enables the drawing rod to move upwards, the drawing rod moves upwards to draw the rubber piston at the lower end of the drawing rod, and therefore blood is drawn into the blood drawing tube.
3. This blood sampler owing to control pull pole rebound through the screw thread, so the distance of pull pole rebound is controlled easily, realizes the more accurate extraction human blood.
4. This blood sampler, the equal fixedly connected with in both ends connects the curb plate about through the upper end of bottom plate, two upper end fixedly connected with upper plates of connecting the curb plate, protruding seat before the equal fixedly connected with in both ends about the front end of upper plate, clearance fit has inserted the screw rod between two preceding protruding seats, the equal fixedly connected with in both ends fender ring about the screw rod, the right-hand member fixedly connected with rotor of screw rod, the base passes through rectangle and leads to groove sliding connection on the upper plate, the screw rod passes through the screw thread and cooperatees with the screw orifice plate, can drive the screw rod when making the rotating rotor rotate, can drive the screw orifice plate and remove when the screw rod rotates, thereby drive the base horizontal slip on the upper plate, the position of adjustment upper plate.
5. When the pressing screw is rotated, the pressing screw can push the right clamping rod to move leftwards along the transverse rail rod, so that the right clamping rod and the left clamping rod can fasten and fix the blood drawing collet chucks with different specifications; the ring extension rod is inserted into the groove between the convex plates, and the fastening screw abuts against the upper end of the ring extension rod to fix the ring extension rod, so that the position of the ring is fixed; the lower end of the blood drawing tube is sleeved with a blood drawing tube with a needle, the needle is inserted into a blood vessel of a human body, the rotating disc enables the drawing rod to move upwards, the drawing rod moves upwards to draw the rubber piston at the lower end of the drawing rod, and therefore blood is drawn into the blood drawing tube. Because the drawing rod is controlled to move upwards through the threads, the distance of the drawing rod moving upwards is easy to control, and the blood of the human body can be accurately drawn. When the rotary piece is rotated, the screw rod can be driven to rotate, and when the screw rod rotates, the threaded hole plate can be driven to move left and right, so that the base is driven to slide left and right on the upper plate, and the position of the upper plate is adjusted.
Drawings
Fig. 1 is a schematic structural diagram of a blood sampler according to an embodiment of the present invention;
FIG. 2 is a schematic structural view of a frame assembly;
FIG. 3 is a schematic structural view of a blood drawing tube;
FIG. 4 is a first schematic structural view of a base assembly;
fig. 5 is a second schematic structural diagram of the base assembly.
In the figure: a frame assembly 1; a vertical plate 1-1; 1-2 of right arc-shaped groove; 1-3 of a compression screw; 1-4 parts of a screw pressing seat; 1-5 parts of right clamping rod; 1-6 of a cross rail rod; 1-7 parts of a left clamping rod; fastening screws 1-8; 1-9 parts of convex plate; 1-10 grooves between the convex plates; 1-11 parts of a vertical rod; 1-12 of a left arc-shaped groove; 1-13 parts of a threaded pore plate; bases 1-14; 1-15 rectangular through grooves; a blood drawing tube 2; a drawing rod 2-1; 2-2 parts of a circular ring; 2-3 of a rotating disc; 2-4 of a circular ring extension rod; a base assembly 3; an upper plate 3-1; 3-2 parts of a screw; 3-3 of a rotary vane; 3-4 parts of a baffle ring; 3-5 parts of a front convex seat; 3-6 of a bottom plate; connecting the side plates 3-7.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-5, the present invention provides a technical solution: a blood sampler comprises a frame component 1, a blood sampling tube 2 and a base component 3, wherein the frame component 1 comprises a vertical plate 1-1, a right arc-shaped groove 1-2, a pressure screw 1-3, a pressure screw seat 1-4, a right clamping rod 1-5, a cross rail rod 1-6, a left clamping rod 1-7, a fastening screw 1-8, a convex plate 1-9, a convex plate inter-groove 1-10, a vertical rod 1-11, a left arc-shaped groove 1-12 and a base 1-14, the upper end of the base 1-14 is fixedly connected with the vertical plate 1-1, the upper end of the vertical plate 1-1 is fixedly connected with the left clamping rod 1-7, the front end of the left clamping rod 1-7 is provided with the left arc-shaped groove 1-12, the right end of the left clamping rod 1-7 is fixedly connected with the cross rail rod 1-6, the rear end of the right clamping rod 1-5 is connected to the cross rail rod 1-6 in a sliding manner, the front end of the right clamping rod 1-5 is provided with the right arc-shaped groove 1-2, the right end of the cross rail rod 1-6 is fixedly connected with the pressing screw seat 1-4, the pressing screw seat 1-4 is connected with the pressing screw 1-3 through threads, the left end of the pressing screw 1-3 is propped against the right clamping rod 1-5, the upper end of the left clamping rod 1-7 is fixedly connected with the vertical rod 1-11, the upper end of the vertical rod 1-11 is fixedly connected with two convex plates 1-9, a groove 1-10 between the convex plates is formed between the two convex plates 1-9, the convex plates 1-9 at the upper end are connected with the fastening screw 1-8 through threads, the lower ends of the fastening screws 1-8 are inserted into the convex plate grooves 1-10, and the bases 1-14 are connected to the base component 3 in a sliding manner;
the blood drawing tube 2 is provided with a drawing rod 2-1, a circular ring 2-2, a rotary disc 2-3 and a circular ring extension rod 2-4, the lower end of the drawing rod 2-1 is provided with a rubber piston, the rubber piston on the drawing rod 2-1 is inserted into the blood drawing tube 2, the drawing rod 2-1 is provided with screw threads, the circular ring 2-2 is matched with the drawing rod 2-1 through the screw threads, the upper end of the drawing rod 2-1 is fixedly connected with the rotary disc 2-3, the left end of the circular ring 2-2 is fixedly connected with the circular ring extension rod 2-4, the circular ring extension rod 2-4 is inserted in the groove 1-10 between the convex plates, and the blood drawing tube 2 is clamped between the right arc-shaped groove 1-2 and the left arc-shaped groove 1-12.
The frame body assembly 1 further comprises threaded hole plates 1-13 and rectangular through grooves 1-15, the rectangular through grooves 1-15 which are opposite from left to right are formed in the bases 1-14, and the threaded hole plates 1-13 are fixedly connected to the middle positions of the front ends of the bases 1-14.
The base component 3 comprises an upper plate 3-1, a screw rod 3-2, a rotary vane 3-3, a baffle ring 3-4, front convex seats 3-5, a bottom plate 3-6 and connecting side plates 3-7, wherein the left end and the right end of the upper end of the bottom plate 3-6 are fixedly connected with the connecting side plates 3-7, the upper ends of the two connecting side plates 3-7 are fixedly connected with the upper plate 3-1, the left end and the right end of the front end of the upper plate 3-1 are fixedly connected with the front convex seats 3-5, the screw rod 3-2 is inserted between the two front convex seats 3-5 in a clearance fit manner, the left end and the right end of the screw rod 3-2 are fixedly connected with the baffle ring 3-4, the right end of the screw rod 3-2 is fixedly connected with the rotary vane 3-3, the base 1-14 is connected to the upper plate 3-1 through the rectangular through groove 1-15 in a sliding manner, and the screw rod 3-2 is matched with the threaded hole plate 1-13 through threads.
The two baffle rings 3-4 are respectively attached to the outer end faces of the two front convex seats 3-5.
The blood drawing tube 2 is made of transparent materials, and the blood drawing tube 2 is provided with scale marks.
The working principle is as follows: when the compression screws 1-3 are screwed, the compression screws 1-3 can push the right clamping rod 1-5 to move leftwards along the cross rail rod 1-6, so that the right clamping rod 1-5 and the left clamping rod 1-7 clamp and fix the blood drawing cylinders 2 with different specifications; the ring extension rod 2-4 is inserted into the groove 1-10 between the convex plates, and the fastening screw 1-8 is pressed against the upper end of the ring extension rod 2-4 to fix the ring extension rod 2-4, so that the position of the ring 2-2 is fixed; the lower end of the blood drawing tube 2 is sleeved with a blood drawing tube with a needle, the needle is inserted into a blood vessel of a human body, the rotary disc 2-3 is rotated to enable the drawing rod 2-1 to move upwards, and the drawing rod 2-1 moves upwards to draw a rubber piston at the lower end of the drawing rod, so that blood is drawn into the blood drawing tube 2. Because the drawing rod 2-1 is controlled to move upwards through the threads, the distance of the drawing rod 2-1 moving upwards is easy to control, and the blood of a human body can be accurately drawn. When the rotary vane 3-3 is rotated, the screw rod 3-2 can be driven to rotate, and when the screw rod 3-2 rotates, the threaded pore plate 1-13 can be driven to move left and right, so that the base 1-14 is driven to slide left and right on the upper plate 3-1, and the position of the upper plate 3-1 is adjusted.
A vertical plate 1-1 is fixedly connected with the upper end of a base 1-14, a left clamping rod 1-7 is fixedly connected with the upper end of the vertical plate 1-1, a left arc-shaped groove 1-12 is arranged at the front end of the left clamping rod 1-7, a cross rail rod 1-6 is fixedly connected with the right end of the left clamping rod 1-7, the rear end of a right clamping rod 1-5 is slidably connected with the cross rail rod 1-6, a right arc-shaped groove 1-2 is arranged at the front end of the right clamping rod 1-5, a pressure screw seat 1-4 is fixedly connected with the right end of the cross rail rod 1-6, a pressure screw 1-3 is connected with the pressure screw seat 1-4 through threads, the left end of the pressure screw 1-3 is propped against the right clamping rod 1-5, a vertical rod 1-11 is fixedly connected with the upper end of the left clamping rod 1-7, and two convex plates 1-9 are fixedly, the blood drawing tube 2 clamping device comprises two convex plates 1-9, convex plate grooves 1-10 are formed between the two convex plates 1-9, fastening screws 1-8 are connected to the convex plates 1-9 at the upper ends through threads, the lower ends of the fastening screws 1-8 are inserted into the convex plate grooves 1-10, and bases 1-14 are connected to a base assembly 3 in a sliding mode, so that when the fastening screws 1-3 are screwed, the pressing screws 1-3 can push right clamping rods 1-5 to move leftwards along cross rail rods 1-6, and therefore the right clamping rods 1-5 and the left clamping rods 1-7 clamp and fix blood drawing tubes 2 of different specifications;
the rubber piston is arranged at the lower end of the drawing rod 2-1, the rubber piston on the drawing rod 2-1 is inserted into the blood drawing tube 2, the drawing rod 2-1 is provided with threads, the ring 2-2 is matched with the drawing rod 2-1 through the threads, the upper end of the drawing rod 2-1 is fixedly connected with the rotary disc 2-3, the left end of the ring 2-2 is fixedly connected with the ring extension rod 2-4, the ring extension rod 2-4 is inserted into the groove 1-10 between the convex plates, the blood drawing tube 2 is clamped between the right arc-shaped groove 1-2 and the left arc-shaped groove 1-12, the ring extension rod 2-4 is inserted into the groove 1-10 between the convex plates, and the fastening screw 1-8 is propped against the upper end of the ring extension rod 2-4 to fix the ring extension rod 2-4, so that the position of the ring 2-2 is fixed; the lower end of the blood drawing tube 2 is sleeved with a blood drawing tube with a needle, the needle is inserted into a blood vessel of a human body, the rotary disc 2-3 is rotated to enable the drawing rod 2-1 to move upwards, and the drawing rod 2-1 moves upwards to draw a rubber piston at the lower end of the drawing rod, so that blood is drawn into the blood drawing tube 2.
Because the drawing rod 2-1 is controlled to move upwards through the threads, the distance of the drawing rod 2-1 moving upwards is easy to control, and the blood of a human body can be accurately drawn.
The left end and the right end of the upper end of the bottom plate 3-6 are fixedly connected with connecting side plates 3-7, the upper ends of the two connecting side plates 3-7 are fixedly connected with an upper plate 3-1, the left end and the right end of the front end of the upper plate 3-1 are fixedly connected with front convex seats 3-5, a screw rod 3-2 is inserted between the two front convex seats 3-5 in a clearance fit manner, the left end and the right end of the screw rod 3-2 are fixedly connected with baffle rings 3-4, the right end of the screw rod 3-2 is fixedly connected with a rotary sheet 3-3, a base 1-14 is slidably connected on the upper plate 3-1 through a rectangular through groove 1-15, the screw rod 3-2 is matched with a threaded hole plate 1-13 through threads, so that the rotary sheet 3-3 can drive the screw rod 3-2 to rotate, the screw rod 3-2, thereby driving the base 1-14 to slide left and right on the upper plate 3-1 and adjusting the position of the upper plate 3-1.
The blood drawing tube 2 is made of transparent materials, and the blood drawing tube 2 is provided with scale marks. The size of the amount of the blood drawn is convenient to observe.
It will be apparent to those skilled in the art that various changes and modifications may be made in the present invention without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include such modifications and variations.
Claims (6)
1. The utility model provides a blood sampler, includes support body subassembly (1), blood drawing tube (2) and base subassembly (3), its characterized in that: the frame body component (1) comprises a vertical plate (1-1), a right arc-shaped groove (1-2), a pressing screw (1-3), a pressing screw seat (1-4), a right clamping rod (1-5), a cross rail rod (1-6), a left clamping rod (1-7), a fastening screw (1-8), a convex plate (1-9), a convex plate inter-groove (1-10), a vertical rod (1-11), a left arc-shaped groove (1-12) and a base (1-14), wherein the upper end of the base (1-14) is fixedly connected with the vertical plate (1-1), the upper end of the vertical plate (1-1) is fixedly connected with the left clamping rod (1-7), the front end of the left clamping rod (1-7) is provided with the left arc-shaped groove (1-12), the right end of the left clamping rod (1-7) is fixedly connected with the cross rail rod (1-6).
2. A blood sampler according to claim 1 wherein: the rear end of the right clamping rod (1-5) is connected to the cross rail rod (1-6) in a sliding manner, the front end of the right clamping rod (1-5) is provided with the right arc-shaped groove (1-2), the right end of the cross rail rod (1-6) is fixedly connected with the pressing screw seat (1-4), the pressing screw seat (1-4) is connected with the pressing screw (1-3) through threads, the left end of the pressing screw (1-3) is propped against the right clamping rod (1-5), the upper end of the left clamping rod (1-7) is fixedly connected with the vertical rod (1-11), the upper end of the vertical rod (1-11) is fixedly connected with two convex plates (1-9), and the convex plate inter-groove (1-10) is formed between the two convex plates (1-9), the convex plates (1-9) at the upper ends are connected with the fastening screws (1-8) through threads, the lower ends of the fastening screws (1-8) are inserted into the convex plate grooves (1-10), and the bases (1-14) are connected to the base component (3) in a sliding manner;
the blood drawing tube (2) is provided with a drawing rod (2-1), a circular ring (2-2), a rotary disc (2-3) and a circular ring extension rod (2-4), the lower end of the drawing rod (2-1) is provided with a rubber piston, the rubber piston on the drawing rod (2-1) is inserted into the blood drawing tube (2), the drawing rod (2-1) is provided with a thread, the circular ring (2-2) is matched with the drawing rod (2-1) through the thread, the upper end of the drawing rod (2-1) is fixedly connected with the rotary disc (2-3), the left end of the circular ring (2-2) is fixedly connected with the circular ring extension rod (2-4), and the circular ring extension rod (2-4) is inserted into a groove (1-10) between convex plates, the blood drawing tube (2) is clamped between the right arc-shaped groove (1-2) and the left arc-shaped groove (1-12).
3. A blood sampler according to claim 1 wherein: the rack body assembly (1) further comprises threaded hole plates (1-13) and rectangular through grooves (1-15), the rectangular through grooves (1-15) which are reversed left and right are formed in the bases (1-14), and the threaded hole plates (1-13) are fixedly connected to the middle positions of the front ends of the bases (1-14); the base component (3) comprises an upper plate (3-1), a screw rod (3-2), a rotary piece (3-3), baffle rings (3-4), front convex seats (3-5), a bottom plate (3-6) and connecting side plates (3-7), wherein the left end and the right end of the upper end of the bottom plate (3-6) are fixedly connected with the connecting side plates (3-7), the upper ends of the two connecting side plates (3-7) are fixedly connected with the upper plate (3-1), the left end and the right end of the front end of the upper plate (3-1) are fixedly connected with the front convex seats (3-5), the screw rod (3-2) is inserted between the two front convex seats (3-5) in a clearance fit manner, the left end and the right end of the screw rod (3-2) are fixedly connected with the baffle rings (3-4), the right end of the screw rod (3-2) is fixedly connected with the rotary piece (3-3), the base (1-14) is connected to the upper plate (3-1) in a sliding mode through the rectangular through groove (1-15), and the screw rod (3-2) is matched with the threaded hole plate (1-13) through threads.
4. A blood sampler according to claims 1-3 wherein: the two baffle rings (3-4) are respectively attached to the outer end faces of the two front convex seats (3-5).
5. A blood sampler according to claims 1-4 wherein: the blood drawing tube (2) is made of transparent material, and scale marks are arranged on the blood drawing tube (2).
6. A method of sampling blood, comprising: when the compression screws 1-3 are screwed, the compression screws 1-3 can push the right clamping rod 1-5 to move leftwards along the cross rail rod 1-6, so that the right clamping rod 1-5 and the left clamping rod 1-7 clamp and fix the blood drawing cylinders 2 with different specifications; the ring extension rod 2-4 is inserted into the groove 1-10 between the convex plates, and the fastening screw 1-8 is pressed against the upper end of the ring extension rod 2-4 to fix the ring extension rod 2-4, so that the position of the ring 2-2 is fixed; the lower end of the blood drawing tube 2 is sleeved with a blood drawing tube with a needle, the needle is inserted into a blood vessel of a human body, the rotary disc 2-3 is rotated to enable the drawing rod 2-1 to move upwards, and the drawing rod 2-1 moves upwards to draw a rubber piston at the lower end of the drawing rod, so that blood is drawn into the blood drawing tube 2. Because the drawing rod 2-1 is controlled to move upwards through the threads, the distance of the drawing rod 2-1 moving upwards is easy to control, and the blood of a human body can be accurately drawn. When the rotary vane 3-3 is rotated, the screw rod 3-2 can be driven to rotate, and when the screw rod 3-2 rotates, the threaded pore plate 1-13 can be driven to move left and right, so that the base 1-14 is driven to slide left and right on the upper plate 3-1, and the position of the upper plate 3-1 is adjusted.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911071366.7A CN110916685A (en) | 2019-11-05 | 2019-11-05 | Blood sampler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911071366.7A CN110916685A (en) | 2019-11-05 | 2019-11-05 | Blood sampler |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110916685A true CN110916685A (en) | 2020-03-27 |
Family
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| CN201911071366.7A Withdrawn CN110916685A (en) | 2019-11-05 | 2019-11-05 | Blood sampler |
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| CN112014180A (en) * | 2020-08-21 | 2020-12-01 | 四川仲测质量技术检测有限公司 | Food detection sampling preprocessing device |
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