CN108030538B - Intracardiac branch of academic or vocational study puncture draw liquid device - Google Patents
Intracardiac branch of academic or vocational study puncture draw liquid device Download PDFInfo
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- CN108030538B CN108030538B CN201810054952.XA CN201810054952A CN108030538B CN 108030538 B CN108030538 B CN 108030538B CN 201810054952 A CN201810054952 A CN 201810054952A CN 108030538 B CN108030538 B CN 108030538B
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/34—Trocars; Puncturing needles
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B10/00—Other methods or instruments for diagnosis, e.g. instruments for taking a cell sample, for biopsy, for vaccination diagnosis; Sex determination; Ovulation-period determination; Throat striking implements
- A61B10/0045—Devices for taking samples of body liquids
Abstract
The invention discloses a puncture liquid-drawing device for cardiology department, which comprises a needle tube, wherein the top of the needle tube is provided with an opening, a cover body is fixedly arranged on the top of the cover body, a first through hole is formed in the top of the cover body, a fixed rod is fixedly arranged in the first through hole, two ends of the fixed rod extend out of the first through hole, a first groove is formed in the bottom end of the fixed rod, a movable rod is slidably arranged in the first groove, the top end of the movable rod extends out of the first groove, a piston slidably arranged in the needle tube is fixedly arranged on the first groove, a screw hole is formed in the top end of the movable rod, a screw rod is arranged in the screw hole and is in threaded connection with the screw hole, and the top end. The invention has simple structure and strong practicability, can quickly and stably move the piston in the needle tube, thereby stably pumping liquid for patients, effectively relieving the pain of the patients and being convenient for medical staff to use.
Description
Technical Field
The invention relates to the technical field of medical equipment, in particular to a puncture and liquid-drawing device for cardiology.
Background
Puncture is a medical operation term, and is a diagnosis and treatment technology for puncturing a puncture needle into a body cavity to extract secretion for testing, injecting gas or contrast agent into the body cavity to perform contrast examination, or injecting medicine into the body cavity. The puncture aims at blood drawing test, blood transfusion, fluid infusion and angiography after being placed into a catheter.
The patent number is 201520797569.5 a intracardiac branch of academic or vocational study puncture drawing liquid device utility model discloses an intracardiac branch of academic or vocational study puncture drawing liquid device, it includes the pjncture needle, pjncture needle and piston A fixed connection, the piston A outside sets up the sleeve, the sleeve front end is provided with the pinhole, the pinhole coats and is stamped the gasket, be provided with the through-hole on the sleeve lateral wall, the sleeve outside is close to through-hole department and is provided with the support, be provided with stop device on the support, piston A rear end is provided with piston push rod A, piston push rod A also sets up in the sleeve, piston push rod A communicates with each other with the pjncture needle, piston push rod A inboard is provided with piston B and piston push rod. The beneficial effects are as follows: simple structure, seal the pjncture needle in the sleeve, the effectual external environment of having avoided is to the pollution of needle body, and simultaneously, medical staff during operation, be difficult to the stabbing, can be according to the position of pericardium, the length of the required needle body of adjustment, therefore, the clothes hanger is strong in practicability, but in the in-service use, it needs medical personnel direct push-and-pull piston push rod to drive the piston, proficiency requirement to medical personnel's use is higher, if medical personnel exert oneself too big, move the sleeve easily, it not only is not convenient for medical personnel to use, and drive the pjncture needle removal easily, thereby can increase patient's painful sense, the pjncture needle is extracted to the accident even, so we need an intracardiac branch of academic or voca.
Disclosure of Invention
The invention aims to solve the defects in the prior art, and provides a puncture and liquid-drawing device for cardiology.
In order to achieve the purpose, the invention adopts the following technical scheme:
a puncture liquid-drawing device for department of cardiology comprises a needle tube, wherein the top of the needle tube is provided with an opening, a cover body is fixedly arranged on the needle tube, a first through hole is formed in the top of the cover body, a fixed rod is fixedly arranged in the first through hole, two ends of the fixed rod extend out of the first through hole, a first groove is formed in the bottom end of the fixed rod, a movable rod is slidably arranged in the first groove, the top end of the movable rod extends out of the first groove, a piston slidably arranged in the needle tube is fixedly arranged on the piston, a screw hole is formed in the top end of the movable rod, a lead screw is arranged in the screw hole and is in threaded connection with the screw hole, the top end of the lead screw extends out of the screw hole and is rotatably arranged on the inner wall of the top of the first groove, a first gear positioned above the movable rod is fixedly sleeved on the lead screw, a second through hole is formed in, a second gear is fixedly arranged at one end of the rotating shaft, which is positioned in the first groove, the second gear is meshed with the first gear, a second groove is arranged at one end of the rotating shaft, which is far away from the second gear, a pull rod is arranged in the second groove in a sliding manner, one end of the pull rod extends out of the second groove, a fixed seat fixedly arranged at the top of the cover body is arranged at one side of the fixed seat, which is close to the fixed rod, a third through hole is arranged at one side of the fixed seat, which is close to the fixed rod, the end of the pull rod, which is positioned outside the second groove, penetrates through the third through hole, a third groove positioned in the third through hole is arranged at the top of the pull rod, a clamping rod is arranged in the third groove in a sliding manner, a plurality of sliding grooves with openings at one sides are uniformly arranged on the inner wall of the third through hole, one end, which is positioned outside, the first ball is arranged in the arc-shaped groove in a rolling mode, and a first clamping block which is arranged in the third groove in a sliding mode is fixedly arranged at one end, located in the third groove, of the clamping rod.
Preferably, one side, close to the opening of the first groove, of the first clamping block is provided with a second clamping block fixedly installed in the third groove, the second clamping block is slidably sleeved on the clamping rod, the clamping rod is sleeved with a spring welded on the first clamping block, and one end, far away from the first clamping block, of the spring is welded on the second clamping block.
Preferably, the two sides of the first clamping block are symmetrically nested with second balls, and the second balls are in contact with the inner wall of the third groove.
Preferably, the inner walls of the two sides of the first groove are symmetrically provided with positioning grooves, the two sides of the movable rod are symmetrically and fixedly provided with positioning blocks, and the positioning blocks are in sliding connection with the positioning grooves.
Preferably, a circular groove is formed in the inner wall of the top of the first groove, and the top end of the screw rod is rotatably installed in the circular groove.
Preferably, the two sides of the fixing rod are symmetrically and fixedly provided with the mounting blocks, and one sides of the two mounting blocks, which are far away from each other, are fixedly mounted on the inner walls of the two sides of the first through hole respectively.
Preferably, a bearing is fixedly installed in the second through hole, and the bearing is rotatably sleeved on the rotating shaft.
Preferably, the bottom of the needle tube is fixedly provided with a puncture needle, and the top end of the puncture needle extends into the needle tube.
Preferably, the inner walls of the two sides of the second groove are symmetrically provided with limit grooves, the two sides of the pull rod are symmetrically and fixedly provided with limit blocks, and the limit blocks are connected with the limit grooves in a sliding mode.
Preferably, one end of the pull rod, which is positioned outside the second groove, is fixedly provided with a handle, and an anti-skid sleeve is fixedly sleeved on the handle.
Compared with the prior art, the invention has the beneficial effects that:
in the invention, by matching the needle tube, the cover body, the first through hole, the fixed rod, the first groove, the movable rod, the piston, the screw hole, the screw rod, the first gear, the second through hole, the rotating shaft, the second gear, the second groove, the pull rod, the fixed seat, the third through hole, the third groove, the clamping rod, the sliding chute, the arc-shaped groove, the first ball and the first clamping block, the pull rod is pulled, the first ball pushes the clamping rod, the clamping rod moves to drive the first clamping block, thereby stretching the spring, then the pull rod continues to be pulled, thereby the clamping rod moves out of the sliding chute, at the moment, the pull rod rotates to drive the rotating shaft to rotate, the rotating shaft rotates to drive the second gear to rotate, the second gear rotates to drive the first gear to rotate, the first gear drives the screw rod to rotate, the screw rod rotates in the screw hole to drive the movable rod to move, the movable rod moves to drive the piston tube to, after the liquid is pumped, the first ball is pressed and the pull rod is pushed, so that the clamping rod is clamped into the corresponding sliding groove, and when the third groove is aligned with the arc-shaped groove, the clamping rod drives the first ball to be clamped into the arc-shaped groove under the action of the spring, so that the pull rod is fixed.
Drawings
FIG. 1 is a schematic cross-sectional structural view of a puncture and fluid-drawing device for cardiology department according to the present invention;
FIG. 2 is a schematic cross-sectional view of part A of a puncture and fluid-extraction device for cardiology department according to the present invention;
FIG. 3 is a schematic cross-sectional view of portion B of FIG. 2;
FIG. 4 is a schematic cross-sectional view of portion C of FIG. 3;
fig. 5 is a schematic cross-sectional structure view of a portion D in fig. 4.
In the figure: the device comprises a needle tube 1, a cover body 2, a first through hole 3, a fixed rod 4, a first groove 5, a movable rod 6, a piston 7, a screw hole 8, a screw rod 9, a first gear 10, a second through hole 11, a rotating shaft 12, a second gear 13, a second groove 14, a pull rod 15, a fixed seat 16, a third through hole 17, a third groove 18, a clamping rod 19, a sliding groove 20, an arc-shaped groove 21, a first ball 22 and a first clamping block 23.
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.
Referring to fig. 1-5, a puncture and fluid-drawing device for cardiology department comprises a needle tube 1, the top of the needle tube 1 is open, a cover body 2 is fixedly installed on the needle tube, a first through hole 3 is opened on the top of the cover body 2, a fixed rod 4 is fixedly installed in the first through hole 3, both ends of the fixed rod 4 extend out of the first through hole 3, a first groove 5 is opened at the bottom end of the fixed rod 4, a movable rod 6 is slidably installed in the first groove 5, the top end of the movable rod 6 extends out of the first groove 5, a piston 7 slidably installed in the needle tube 1 is fixedly installed, a screw hole 8 is opened at the top end of the movable rod 6, a screw rod 9 is installed in the screw hole 8, the screw rod 9 is in threaded connection with the screw hole 8, the top end of the screw rod 9 extends out of the screw hole 8 and is rotatably installed on the inner wall of the top of, a second through hole 11 is formed in the inner wall of one side of the first groove 5, a rotating shaft 12 is rotatably mounted in the second through hole 11, two ends of the rotating shaft 12 extend out of the second through hole 11, a second gear 13 is fixedly mounted at one end of the rotating shaft 12, which is positioned in the first groove 5, the second gear 13 is meshed with the first gear 10, a second groove 14 is formed at one end of the rotating shaft 12, which is far away from the second gear 13, a pull rod 15 is slidably mounted in the second groove 14, one end of the pull rod 15 extends out of the second groove 14, a fixed seat 16 fixedly mounted at the top of the cover body 2 is arranged at one side of the fixed rod 4, a third through hole 17 is formed at one side of the fixed seat 16, which is close to the fixed rod 4, the end of the pull rod 15, which is positioned out of the second groove 14, a third groove 18, which is positioned in the third through hole 17, a clamping rod 19 is slidably mounted in the third groove 18, and the, a plurality of sliding grooves 20 with openings at one side are uniformly arranged on the inner wall of the third through hole 17, one end of the clamping rod 19, which is positioned outside the third groove 18, is slidably arranged in the sliding groove 20 and is nested with a first ball 22, an arc-shaped groove 21 is arranged on the inner wall of one side of the sliding groove 20, which is far away from the pull rod 15, the first ball 22 is rotatably arranged in the arc-shaped groove 21, one end of the clamping rod 19, which is positioned in the third groove 18, is fixedly provided with a first clamping block 23, which is slidably arranged in the third groove 18, and the first clamping block 23 is matched with the first ball 22 and the first clamping block 23 through the needle tube 1, the cover body 2, the first through hole 3, the fixed rod 4, the first groove 5, the movable rod 6, the piston 7, the screw hole 8, the screw rod 9, the first gear 10, the second through hole 11, the rotating shaft 12, the second gear 13, the second groove 14, the pull rod 15, the fixed seat, pulling the pull rod 15, the first ball pushing the clamping rod 19, the clamping rod 19 moving to drive the first clamping block 23, thereby stretching the spring, then pulling the pull rod 15 continuously, thereby moving the clamping rod 19 out of the chute 20, at this time, rotating the pull rod 15, the pull rod 15 rotating to drive the rotation shaft 12 rotating, the rotation shaft 12 rotating to drive the second gear 13 rotating, the second gear 13 rotating to drive the first gear 10 rotating, the first gear 10 driving the lead screw 9 rotating, the lead screw 9 rotating in the screw hole 8 driving the movable rod 6 moving, the movable rod 6 moving to drive the piston 7 moving in the needle tube 1, thereby carrying out the multiple patients to take out the liquid, after the liquid taking out, pressing the first ball and pushing the pull rod 15, thereby clamping the clamping rod 19 into the corresponding chute 20, when the third groove 18 is aligned with the arc-shaped groove 21, the clamping rod 19 driving the first ball into the arc-shaped groove 21 under the action of the spring, the medical needle tube has the advantages that the structure is simple, the practicability is high, the piston 7 in the needle tube 1 can be rapidly and stably moved, so that the liquid can be stably pumped for a patient, the pain of the patient can be effectively relieved, and the medical needle tube is convenient to use by medical staff.
In the invention, one side of a first fixture block 23 close to the opening of a first groove 5 is provided with a second fixture block fixedly arranged in a third groove 18, the second fixture block is slidably sleeved on a fixture rod 19, the fixture rod 19 is sleeved with a spring welded on the first fixture block 23, one end of the spring far away from the first fixture block 23 is welded on the second fixture block, two sides of the first fixture block 23 are symmetrically nested with second balls, the second balls are contacted with the inner wall of the third groove 18, the inner walls of two sides of the first groove 5 are symmetrically provided with positioning grooves, two sides of a movable rod 6 are symmetrically fixedly provided with positioning blocks which are slidably connected with the positioning grooves, the inner wall of the top of the first groove 5 is provided with a circular groove, the top end of a screw rod 9 is rotatably arranged in the circular groove, two sides of a fixed rod 4 are symmetrically fixedly provided with mounting blocks, one side far away from each other of the two mounting blocks, a bearing is fixedly arranged in the second through hole 11, the bearing is rotatably sleeved on the rotating shaft 12, a puncture needle is fixedly arranged at the bottom of the needle tube 1, the top end of the puncture needle extends into the needle tube 1, limiting grooves are symmetrically arranged on the inner walls of the two sides of the second groove 14, limiting blocks are symmetrically and fixedly arranged on the two sides of the pull rod 15, the limiting blocks are slidably connected with the limiting grooves, a handle is fixedly arranged at one end of the pull rod 15, which is positioned outside the second groove 14, an anti-slip sleeve is fixedly sleeved on the handle, and the anti-slip sleeve is matched with the rotating shaft 12, the second gear 13, the second groove 14, the pull rod 15, the fixed seat 16, the third through hole 17, the third groove 18, the clamping rod 19, the sliding chute 20, the arc-shaped groove 21, the first ball 22 and the first clamping block 23 through the needle tube 1, the cover body 2, the first through hole 3, the fixed rod 4, the first groove 5, pulling the pull rod 15, the first ball pushing the clamping rod 19, the clamping rod 19 moving to drive the first clamping block 23, thereby stretching the spring, then pulling the pull rod 15 continuously, thereby moving the clamping rod 19 out of the chute 20, at this time, rotating the pull rod 15, the pull rod 15 rotating to drive the rotation shaft 12 rotating, the rotation shaft 12 rotating to drive the second gear 13 rotating, the second gear 13 rotating to drive the first gear 10 rotating, the first gear 10 driving the lead screw 9 rotating, the lead screw 9 rotating in the screw hole 8 driving the movable rod 6 moving, the movable rod 6 moving to drive the piston 7 moving in the needle tube 1, thereby carrying out the multiple patients to take out the liquid, after the liquid taking out, pressing the first ball and pushing the pull rod 15, thereby clamping the clamping rod 19 into the corresponding chute 20, when the third groove 18 is aligned with the arc-shaped groove 21, the clamping rod 19 driving the first ball into the arc-shaped groove 21 under the action of the spring, the medical needle tube has the advantages that the structure is simple, the practicability is high, the piston 7 in the needle tube 1 can be rapidly and stably moved, so that the liquid can be stably pumped for a patient, the pain of the patient can be effectively relieved, and the medical needle tube is convenient to use by medical staff.
The working principle is as follows: in the invention, the first gear 10 and the second gear 13 both adopt conical gears, negative pressure is formed in the needle tube 1 by using the piston 7, so as to draw liquid for a patient, in practical use, only the pull rod 15 is needed to be pulled by using a handle, at the moment, the first ball pushes the clamping rod 19, the clamping rod 19 moves to drive the first clamping block 23, thereby stretching the spring, then the pull rod 15 is pulled continuously, so that the clamping rod 19 moves out of the chute 20, at the moment, the pull rod 15 rotates, under the action of the limiting block and the limiting groove, the pull rod 15 rotates to drive the rotating shaft 12 to rotate, the rotating shaft 12 rotates to drive the second gear 13 to rotate, the second gear 13 rotates to drive the first gear 10 to rotate, the first gear 10 drives the screw rod 9 to rotate, under the action of the positioning block and the positioning groove, the screw rod 9 rotates in the screw hole 8 to drive the movable rod 6 to move, the movable rod 6 moves, thereby carry out many patients and carry out the drawing of liquid, treat that the drawing of liquid is accomplished the back, press first ball again and promote pull rod 15 to make in the card pole 19 card advances corresponding spout 20, when third recess 18 aligns with arc recess 21, under the effect of spring, card pole 19 drives first ball card and advances in arc recess 21, thereby fixed pull rod 15, piston 7 will unable removal this moment, has avoided the liquid in the needle tubing 1 to spill over.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (10)
1. The utility model provides a intracardiac branch of academic or vocational study puncture draw liquid device, including needle tubing (1), the top of needle tubing (1) is the opening, and fixed mounting has lid (2), first through-hole (3) have been seted up at the top of lid (2), characterized in that, fixed mounting has dead lever (4) in first through-hole (3), the both ends of dead lever (4) all extend to outside first through-hole (3), first recess (5) have been seted up to the bottom of dead lever (4), slidable mounting has movable rod (6) in first recess (5), the top of movable rod (6) extends to outside first recess (5), and fixed mounting has piston (7) of slidable mounting in needle tubing (1), screw (8) have been seted up to the top of movable rod (6), be equipped with lead screw (9) in screw (8), lead screw (9) and screw (8) threaded connection, the top of lead screw (9) extends to outside screw (8), the screw rod (9) is fixedly sleeved with a first gear (10) positioned above the movable rod (6), one side inner wall of the first groove (5) is provided with a second through hole (11), the second through hole (11) is rotatably provided with a rotating shaft (12), two ends of the rotating shaft (12) extend out of the second through hole (11), one end of the rotating shaft (12) positioned in the first groove (5) is fixedly provided with a second gear (13), the second gear (13) is meshed with the first gear (10), one end of the rotating shaft (12) far away from the second gear (13) is provided with a second groove (14), a pull rod (15) is slidably arranged in the second groove (14), one end of the pull rod (15) extends out of the second groove (14), one side of the fixed rod (4) is provided with a fixed seat (16) fixedly arranged at the top of the cover body (2), a third through hole (17) is formed in one side, close to the fixing rod (4), of the fixing seat (16), a third through hole (17) is formed in one end, located outside the second groove (14), of the pull rod (15), a third groove (18) located inside the third through hole (17) is formed in the top of the pull rod (15), a clamping rod (19) is installed in the third groove (18) in a sliding mode, the top end of the clamping rod (19) extends to the outside of the third groove (18), a sliding groove (20) with a plurality of one sides being open is evenly formed in the inner wall of the third through hole (17), one end, located outside the third groove (18), of the clamping rod (19) is installed in the sliding groove (20) in a sliding mode, a first ball (22) is nested, an arc-shaped groove (21) is formed in the inner wall, far away from the pull rod (15) of the sliding groove (20), the first ball (22) is installed in the arc-shaped groove (21) in a rolling mode, and a first clamping block (23) installed in the third groove ( ).
2. The intracardiac puncture drainage device according to claim 1, wherein the first block (23) is provided with a second block fixedly mounted in the third groove (18) on the side close to the opening of the first groove (5), the second block is slidably sleeved on the rod (19), the rod (19) is sleeved with a spring welded on the first block (23), and the end of the spring far away from the first block (23) is welded on the second block.
3. A puncture and fluid-extraction device for cardiology department according to claim 1, wherein the first block (23) is symmetrically nested with a second ball on both sides, and the second ball contacts with the inner wall of the third groove (18).
4. The intracardiac puncture drainage device according to claim 1, wherein the first groove (5) has positioning slots symmetrically formed on the inner walls of both sides thereof, and the movable rod (6) has positioning blocks symmetrically and fixedly mounted on both sides thereof, and the positioning blocks are slidably connected with the positioning slots.
5. The intracardiac puncture drainage device according to claim 1, wherein the top inner wall of the first groove (5) is provided with a circular groove, and the top end of the screw rod (9) is rotatably mounted in the circular groove.
6. The intracardiac puncture drainage device according to claim 1, wherein, the fixing rod (4) is symmetrically and fixedly installed with mounting blocks at both sides, and the sides far away from each other of the two mounting blocks are respectively and fixedly installed on the inner walls at both sides of the first through hole (3).
7. The intracardiac puncture drainage device according to claim 1, wherein a bearing is fixedly installed in the second through hole (11), and the bearing is rotatably sleeved on the rotating shaft (12).
8. A puncture and liquid-drawing device for cardiology department according to claim 1, wherein the bottom of the needle tube (1) is fixedly provided with a puncture needle, and the top end of the puncture needle extends into the needle tube (1).
9. The intracardiac puncture drainage device according to claim 1, wherein the inner walls of the two sides of the second groove (14) are symmetrically provided with a limiting groove, the two sides of the pull rod (15) are symmetrically and fixedly provided with a limiting block, and the limiting blocks are slidably connected with the limiting grooves.
10. A puncture and fluid-extraction device for cardiology department according to claim 1, wherein a handle is fixedly installed at one end of the pull rod (15) located outside the second groove (14), and an anti-slip sleeve is fixedly installed on the handle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810054952.XA CN108030538B (en) | 2018-01-19 | 2018-01-19 | Intracardiac branch of academic or vocational study puncture draw liquid device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810054952.XA CN108030538B (en) | 2018-01-19 | 2018-01-19 | Intracardiac branch of academic or vocational study puncture draw liquid device |
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| CN108030538A CN108030538A (en) | 2018-05-15 |
| CN108030538B true CN108030538B (en) | 2020-09-04 |
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| CN201810054952.XA Expired - Fee Related CN108030538B (en) | 2018-01-19 | 2018-01-19 | Intracardiac branch of academic or vocational study puncture draw liquid device |
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| CN112155684B (en) * | 2020-09-16 | 2022-02-08 | 上海市浦东医院（复旦大学附属浦东医院） | Puncture needle device for nephrology department |
| CN112168228B (en) * | 2020-10-27 | 2021-12-21 | 青岛大学附属医院 | Quick extraction element of pathological tissue in art |
| CN112472232B (en) * | 2020-11-13 | 2022-03-29 | 山东大学 | Puncture needle clamping device, mechanical arm and working method |
| CN113662634B (en) * | 2021-07-30 | 2023-06-23 | 河北医科大学第二医院 | Pericardium puncture liquid pumping device for department of cardiology |
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