CN215424969U - Cardiovascular internal medicine pjncture needle - Google Patents
Cardiovascular internal medicine pjncture needle Download PDFInfo
- Publication number
- CN215424969U CN215424969U CN202022823777.1U CN202022823777U CN215424969U CN 215424969 U CN215424969 U CN 215424969U CN 202022823777 U CN202022823777 U CN 202022823777U CN 215424969 U CN215424969 U CN 215424969U
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- China
- Prior art keywords
- baffle
- connecting block
- tube
- limiting plate
- sliding block
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 230000002526 effect on cardiovascular system Effects 0.000 title claims abstract description 17
- 239000003814 drug Substances 0.000 title claims abstract description 10
- 239000008280 blood Substances 0.000 claims abstract description 23
- 210000004369 blood Anatomy 0.000 claims abstract description 23
- 238000005086 pumping Methods 0.000 claims abstract description 7
- 238000009434 installation Methods 0.000 claims abstract description 4
- 238000007789 sealing Methods 0.000 claims description 5
- 230000002093 peripheral effect Effects 0.000 claims description 3
- 230000028327 secretion Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000002583 angiography Methods 0.000 description 1
- 238000003556 assay Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 210000004204 blood vessel Anatomy 0.000 description 1
- 239000002872 contrast media Substances 0.000 description 1
- 238000003745 diagnosis Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000001802 infusion Methods 0.000 description 1
Images
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- Infusion, Injection, And Reservoir Apparatuses (AREA)
Abstract
A cardiovascular internal medicine puncture needle comprises a baffle, an outer tube, a first connecting block, a miniature air pump, a collecting tube, a second connecting block, a limiting plate, an exhaust tube, a first sliding block, a second sliding block and a spring; the limiting plate is arranged on the inner wall of the outer pipe; the baffle is rotatably arranged on the inner wall of the outer pipe; the first sliding block is connected with the inner wall of the outer pipe in a sliding manner, and an installation groove is formed in the first sliding block; the second sliding block is connected with the mounting groove in a sliding manner; two ends of the spring are respectively connected with the mounting groove and the second sliding block; the second connecting block penetrates through the limiting plate and is connected with the baffle plate, and an inner pipe is arranged on the second connecting block; the inner pipe is connected with the first sliding block; the collecting pipe is arranged on the outer pipe, and one end of the collecting pipe penetrates through the outer pipe and is connected with the blood pumping pipe; the blood drawing tube is connected with the inner wall of the inner tube in a sliding way; the first connecting block is detachably connected with the outer pipe; the miniature air pump is installed on first connecting block. The utility model carries out anti-blocking treatment on the puncture needle, avoids blockage when the puncture needle is inserted into the body of a patient and needs to be punctured again, and improves the puncture efficiency.
Description
Technical Field
The utility model relates to the technical field of medical instruments, in particular to a cardiovascular internal medicine puncture needle.
Background
The puncture is a diagnosis and treatment technology that a puncture needle is punctured into a body cavity to extract secretion for assay, gas or contrast agent is injected into the body cavity to perform contrast examination, or medicine is injected into the body cavity; the puncture aims at blood drawing test, blood transfusion, fluid infusion and angiography after being placed into a catheter.
The existing puncture needle has the situation that the needle head is blocked in the using process, so that the puncture efficiency is reduced; therefore, the utility model provides a cardiovascular internal medicine puncture needle.
SUMMERY OF THE UTILITY MODEL
Objects of the utility model
In order to solve the technical problems in the background technology, the utility model provides a cardiovascular internal medicine puncture needle, which is used for carrying out anti-blocking treatment on a puncture needle, so that the puncture needle is prevented from being blocked when being inserted into the body of a patient and needs to be punctured again, and the puncture efficiency is improved.
(II) technical scheme
The utility model provides a cardiovascular internal medicine puncture needle which comprises a baffle, an outer tube, a first connecting block, a miniature air pump, a collecting tube, a second connecting block, a limiting plate, an inner tube, an exhaust tube, a first sliding block, a second sliding block and a spring, wherein the baffle is arranged on the outer tube;
the limiting plate is arranged on the inner wall of the outer pipe, and a first through hole is formed in the limiting plate; the baffle is rotatably arranged on the inner wall of the outer pipe, and the end face, facing the limiting plate, of the baffle is attached to the limiting plate;
the first sliding block is connected with the inner wall of the outer pipe in a sliding mode, and an installation groove is formed in the end face, far away from the limiting plate, of the first sliding block; the second sliding block and the spring are both positioned in the mounting groove, and the second sliding block is connected with the inner wall of the mounting groove in a sliding manner; two ends of the spring are respectively connected with the bottom surface of the mounting groove and the end surface of the second sliding block facing the limiting plate;
one end of the second connecting block penetrates through the limiting plate and is connected with the baffle, the other end of the second connecting block is connected with the inner pipe, and a second through hole is formed in the second connecting block; the end face, far away from the limiting plate, of the inner pipe is connected with the end face, facing the limiting plate, of the first sliding block;
the collecting pipe is arranged on the outer pipe, and one end of the collecting pipe penetrates through the outer pipe and is connected with one end of the blood drawing pipe; the other end of the blood drawing tube sequentially passes through the second sliding block and the first sliding block and is positioned in the inner tube, and the blood drawing tube is connected with the inner wall of the inner tube in a sliding manner;
the first connecting block is detachably connected with the end face, far away from the baffle, of the outer pipe; the miniature air pump is installed on the terminal surface that the outer tube was kept away from to first connecting block, and the port of giving vent to anger of miniature air pump passes first connecting block and is located the outer tube inside.
Preferably, the first connecting block is located in the U-shaped block.
Preferably, the baffle comprises a first baffle and a second baffle; the first baffle and the second baffle are semi-circular, the first baffle and the second baffle are matched to form a circular plate, the outer peripheral surfaces of the first baffle and the second baffle are both rotatably connected with the inner wall of the outer tube, and the end surfaces of the first baffle and the second baffle facing the limiting plate are respectively connected with the two ends of the U-shaped first connecting block.
Preferably, the device also comprises a handle; the handle is installed on the terminal surface that the outer tube was kept away from to first connecting block.
Preferably, the device also comprises a limiting block; the stopper is equipped with the multiunit, and the inner wall of outer tube is connected respectively to the multiunit stopper, and the multiunit stopper uses the axis of outer tube to be the circumference and distributes as the axle center, and the terminal surface of multiunit stopper orientation first connecting block all compresses tightly the terminal surface of first slider orientation baffle.
Preferably, a sealing gasket is arranged at the joint of the collecting pipe and the outer pipe.
Preferably, a threaded hole is formed in the end face, away from the micro air pump, of the first connecting block; be equipped with the external screw thread on the outer tube, outer tube threaded connection first connecting block forms detachable connection structure.
Compared with the prior art, the technical scheme of the utility model has the following beneficial technical effects:
when the medical treatment device is used, medical personnel firstly insert the outer tube into a patient, then inflate the inner tube through the micro air pump, push the first sliding block to move towards the baffle through air pressure, the first sliding block moves to drive the inner tube, the blood pumping tube and the second sliding block to move towards the baffle, and the first connecting block pushes the baffle to rotate; the micro air pump is used for continuously inflating the outer tube and pushing the second sliding block to extrude the spring, so that the blood pumping tube passes through the first through hole and the second through hole and is collected in the body of the patient; a plurality of groups of limiting blocks 8 are arranged to prevent the first sliding block 13 from sliding too far, so that the blood drawing tube 12 is penetrated too deep into the body of a patient to damage the body of the patient; the utility model carries out anti-blocking treatment on the puncture needle, avoids blockage when the puncture needle is inserted into the body of a patient and needs to be punctured again, and improves the puncture efficiency.
Drawings
Fig. 1 is a schematic structural view of a cardiovascular medical puncture needle provided by the utility model.
Fig. 2 is a sectional view of a cardiovascular medical puncture needle provided by the utility model.
Fig. 3 is a partially enlarged view of a portion a in fig. 2.
Reference numerals: 1. a baffle plate; 101. a first baffle plate; 102. a second baffle; 3. an outer tube; 4. a first connection block; 5. a micro air pump; 6. a handle; 7. a collection pipe; 8. a limiting block; 9. a second connecting block; 10. a limiting plate; 11. an inner tube; 12. drawing a blood vessel; 13. a first slider; 1301. mounting grooves; 14. a second slider; 15. a spring.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in further detail with reference to the accompanying drawings in conjunction with the following detailed description. It should be understood that the description is intended to be exemplary only, and is not intended to limit the scope of the present invention. Moreover, in the following description, descriptions of well-known structures and techniques are omitted so as to not unnecessarily obscure the concepts of the present invention.
As shown in fig. 1-3, the cardiovascular medical puncture needle provided by the utility model comprises a baffle 1, an outer tube 3, a first connecting block 4, a micro air pump 5, a collecting tube 7, a second connecting block 9, a limiting plate 10, an inner tube 11, a blood pumping tube 12, a first slider 13, a second slider 14 and a spring 15;
the limiting plate 10 is arranged on the inner wall of the outer tube 3, and a first through hole is formed in the limiting plate 10; the baffle 1 is rotatably arranged on the inner wall of the outer tube 3, and the end face, facing the limiting plate 10, of the baffle 1 is attached to the limiting plate 10;
the first sliding block 13 is connected with the inner wall of the outer tube 3 in a sliding manner, and an installation groove 1301 is formed in the end face, away from the limiting plate 10, of the first sliding block 13; the second sliding block 14 and the spring 15 are both positioned in the mounting groove 1301, and the second sliding block 14 is connected with the inner wall of the mounting groove 1301 in a sliding manner; two ends of the spring 15 are respectively connected with the bottom surface of the mounting groove 1301 and the end surface of the second slider 14 facing the limiting plate 10;
one end of the second connecting block 9 penetrates through the limiting plate 10 and is connected with the baffle plate 1, the other end of the second connecting block 9 is connected with the inner pipe 11, and a second through hole is formed in the second connecting block 9; the end face, far away from the limiting plate 10, of the inner tube 11 is connected with the end face, facing the limiting plate 10, of the first sliding block 13;
the collecting pipe 7 is arranged on the outer pipe 3, and one end of the collecting pipe 7 penetrates through the outer pipe 3 and is connected with one end of the blood drawing pipe 12; the other end of the blood drawing tube 12 sequentially passes through the second sliding block 14 and the first sliding block 13 and is positioned in the inner tube 11, and the blood drawing tube 12 is connected with the inner wall of the inner tube 11 in a sliding manner;
the first connecting block 4 is detachably connected with the end face, far away from the baffle 1, of the outer pipe 3; the miniature air pump 5 is installed on the terminal surface of keeping away from outer tube 3 at first connecting block 4, and the port of giving vent to anger of miniature air pump 5 passes first connecting block 4 and is located the inside of outer tube 3.
When the medical treatment device is used, a medical worker firstly inserts the outer tube 3 into a patient, then inflates the inner part of the outer tube 3 through the micro air pump 5, the first sliding block 13 is pushed to move towards the baffle plate 1 through air pressure, the first sliding block 13 moves to drive the inner tube 11, the blood pumping tube 12 and the second sliding block 14 to move towards the baffle plate 1, and the first connecting block 4 pushes the baffle plate 1 to rotate; the outer tube 3 is continuously inflated through the micro air pump 5, the second sliding block 14 is pushed to extrude the spring 15, and the blood pumping tube 12 penetrates through the first through hole and the second through hole and is connected with the body of the patient to collect secretions; the utility model carries out anti-blocking treatment on the puncture needle, avoids blockage when the puncture needle is inserted into the body of a patient and needs to be punctured again, and improves the puncture efficiency.
In an alternative embodiment, the first connecting block is a 4-bit U-shaped block; the U-shaped first connecting block 4 facilitates the connection of the baffle 1.
In an alternative embodiment, the baffle 1 comprises a first baffle 101 and a second baffle 102; the first baffle 101 and the second baffle 102 are both semicircular, the first baffle 101 and the second baffle 102 are matched to form a circular plate, the outer peripheral surfaces of the first baffle 101 and the second baffle 102 are both rotatably connected with the inner wall of the outer tube 3, and the end surfaces of the first baffle 101 and the second baffle 102 facing the limiting plate 10 are respectively connected with two ends of the U-shaped first connecting block 4.
It should be noted that the outer tube 3 is sealed by the first baffle 101 and the second baffle 102, and the first baffle 101 and the second baffle 102 are pushed by the first connecting block 4 to rotate when in use, so as to push the blood drawing tube 12 out of the outer tube 3 for collecting secretions.
In an alternative embodiment, a handle 6 is also included; the handle 6 is arranged on the end surface of the first connecting block 4 far away from the outer tube 3; the handle 6 is provided to facilitate carrying of the puncture needle.
In an optional embodiment, the device further comprises a limiting block 8; the limiting blocks 8 are provided with a plurality of groups, the plurality of groups of limiting blocks 8 are respectively connected with the inner wall of the outer pipe 3, the plurality of groups of limiting blocks 8 are distributed in a circumferential manner by taking the central axis of the outer pipe 3 as the axis, and the end surfaces of the plurality of groups of limiting blocks 8 facing the first connecting block 4 are all tightly pressed on the end surfaces of the first sliding blocks 13 facing the baffle 1; the multiple groups of limiting blocks 8 are arranged to avoid overlarge sliding distance of the first sliding block 13, so that the blood drawing tube 12 is too deep into the body of a patient to damage the body of the patient.
In an alternative embodiment, a sealing gasket is arranged at the joint of the collecting pipe 7 and the outer pipe 3; the sealing gasket is arranged to ensure the sealing performance in the outer tube 3, so that the puncture effect of the blood drawing tube 12 is good.
In an alternative embodiment, a threaded hole is formed in the end surface of the first connecting block 4 away from the micro air pump 5; the outer pipe 3 is provided with external threads, and the outer pipe 3 is in threaded connection with the first connecting block 4 to form a detachable connecting structure; the detachable connection facilitates the reuse of the first connection block 4 and the micro air pump 5.
It is to be understood that the above-described embodiments of the present invention are merely illustrative of or explaining the principles of the utility model and are not to be construed as limiting the utility model. Therefore, any modification, equivalent replacement, improvement and the like made without departing from the spirit and scope of the present invention should be included in the protection scope of the present invention. Further, it is intended that the appended claims cover all such variations and modifications as fall within the scope and boundaries of the appended claims or the equivalents of such scope and boundaries.
Claims (7)
1. A cardiovascular internal medicine puncture needle is characterized by comprising a baffle (1), an outer tube (3), a first connecting block (4), a micro air pump (5), a collecting tube (7), a second connecting block (9), a limiting plate (10), an inner tube (11), a blood pumping tube (12), a first sliding block (13), a second sliding block (14) and a spring (15);
the limiting plate (10) is arranged on the inner wall of the outer pipe (3), and a first through hole is formed in the limiting plate (10); the baffle (1) is rotatably arranged on the inner wall of the outer pipe (3), and the end face, facing the limiting plate (10), of the baffle (1) is attached to the limiting plate (10);
the first sliding block (13) is connected with the inner wall of the outer pipe (3) in a sliding mode, and an installation groove (1301) is formed in the end face, far away from the limiting plate (10), of the first sliding block (13); the second sliding block (14) and the spring (15) are both positioned in the mounting groove (1301), and the second sliding block (14) is connected with the inner wall of the mounting groove (1301) in a sliding manner; two ends of the spring (15) are respectively connected with the bottom surface of the mounting groove (1301) and the end surface of the second sliding block (14) facing the limiting plate (10);
one end of the second connecting block (9) penetrates through the limiting plate (10) and is connected with the baffle (1), the other end of the second connecting block (9) is connected with the inner pipe (11), and a second through hole is formed in the second connecting block (9); the end face, far away from the limiting plate (10), of the inner pipe (11) is connected with the end face, facing the limiting plate (10), of the first sliding block (13);
the collecting pipe (7) is arranged on the outer pipe (3), and one end of the collecting pipe (7) penetrates through the outer pipe (3) and is connected with one end of the blood drawing pipe (12); the other end of the blood drawing tube (12) sequentially passes through the second sliding block (14) and the first sliding block (13) and is positioned in the inner tube (11), and the blood drawing tube (12) is connected with the inner wall of the inner tube (11) in a sliding manner;
the first connecting block (4) is detachably connected with the end face, far away from the baffle (1), of the outer pipe (3); the miniature air pump (5) is installed on the end face, far away from the outer pipe (3), of the first connecting block (4), and an air outlet port of the miniature air pump (5) penetrates through the first connecting block (4) and is located inside the outer pipe (3).
2. A cardiovascular medical needle according to claim 1, wherein the first connecting block (4) is a U-shaped block.
3. A cardiovascular medical needle according to claim 2, wherein the shield (1) comprises a first shield (101) and a second shield (102); first baffle (101) and second baffle (102) are semi-circular, and first baffle (101) and second baffle (102) cooperation form the circular slab, and the inner wall of outer tube (3) is all rotated in the outer peripheral face of first baffle (101) and second baffle (102), and the both ends of the first connecting block (4) of U type are connected respectively to first baffle (101) and second baffle (102) towards the terminal surface of limiting plate (10).
4. A cardiovascular medical needle according to claim 1, further comprising a handle (6); the handle (6) is arranged on the end surface of the first connecting block (4) far away from the outer tube (3).
5. A cardiovascular medical puncture needle according to claim 1, characterized by further comprising a stopper (8); stopper (8) are equipped with the multiunit, and the inner wall of outer tube (3) is connected respectively in multiunit stopper (8), and multiunit stopper (8) use the axis of outer tube (3) to be the circumference and distribute as the axle center, and multiunit stopper (8) all compress tightly the terminal surface of first slider (13) towards baffle (1) towards the terminal surface of first connecting block (4).
6. A cardiovascular medical puncture needle according to claim 1, characterized in that a sealing gasket is arranged at the joint of the collecting tube (7) and the outer tube (3).
7. A cardiovascular internal medicine puncture needle according to claim 1, characterized in that the end surface of the first connecting block (4) far away from the micro air pump (5) is provided with a threaded hole; be equipped with the external screw thread on outer tube (3), outer tube (3) threaded connection first connecting block (4), form detachable connection structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022823777.1U CN215424969U (en) | 2020-11-30 | 2020-11-30 | Cardiovascular internal medicine pjncture needle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022823777.1U CN215424969U (en) | 2020-11-30 | 2020-11-30 | Cardiovascular internal medicine pjncture needle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215424969U true CN215424969U (en) | 2022-01-07 |
Family
ID=79680553
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022823777.1U Expired - Fee Related CN215424969U (en) | 2020-11-30 | 2020-11-30 | Cardiovascular internal medicine pjncture needle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215424969U (en) |
-
2020
- 2020-11-30 CN CN202022823777.1U patent/CN215424969U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20220107 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |