CN220399141U - Pressure-resistant detection device for indwelling needle - Google Patents
Pressure-resistant detection device for indwelling needle Download PDFInfo
- Publication number
- CN220399141U CN220399141U CN202321600587.0U CN202321600587U CN220399141U CN 220399141 U CN220399141 U CN 220399141U CN 202321600587 U CN202321600587 U CN 202321600587U CN 220399141 U CN220399141 U CN 220399141U
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- indwelling needle
- pressurizing
- injector
- movement structure
- sleeve
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- 238000001514 detection method Methods 0.000 title claims abstract description 23
- 230000000903 blocking effect Effects 0.000 claims 1
- 239000012634 fragment Substances 0.000 abstract description 4
- 239000007788 liquid Substances 0.000 abstract description 4
- 238000004880 explosion Methods 0.000 abstract 1
- 239000002872 contrast media Substances 0.000 description 6
- 230000014759 maintenance of location Effects 0.000 description 5
- 230000003902 lesion Effects 0.000 description 3
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000005381 potential energy Methods 0.000 description 2
- 238000013459 approach Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000009172 bursting Effects 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 238000003745 diagnosis Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 229940079593 drug Drugs 0.000 description 1
- 210000001503 joint Anatomy 0.000 description 1
- 238000002601 radiography Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 210000003462 vein Anatomy 0.000 description 1
- 210000001835 viscera Anatomy 0.000 description 1
Landscapes
- Infusion, Injection, And Reservoir Apparatuses (AREA)
Abstract
The utility model relates to the technical field of medical auxiliary detection devices, in particular to a pressure-resistant detection device for an indwelling needle, which comprises a pressurizing injector, wherein the pressurizing injector is connected with a supercharger, a conical piston is arranged inside the pressurizing injector, an externally attached sleeve is fixedly arranged outside the pressurizing injector, and a sleeve joint is arranged at the bottom of the pressurizing injector; the connecting component is arranged on the pressurizing injector and is used for communicating the pressurizing injector with the indwelling needle; the explosion-proof assembly is arranged in the pressurized injector and comprises a longitudinal movement structure and a transverse movement structure, the longitudinal movement structure is matched with the conical piston, and when the conical piston moves towards the socket joint, the longitudinal movement structure can drive the transverse movement structure to move towards the socket joint; the anti-explosion assembly is utilized to wrap the indwelling needle to be tested, so that the needle tube fragments and contrast liquid are prevented from splashing everywhere when the indwelling needle bursts.
Description
Technical Field
The utility model relates to the technical field of medical auxiliary detection devices, in particular to a pressure-resistant detection device for an indwelling needle.
Background
Contrast agent enhanced scanning is one of important technical means in current CT diagnosis, and some CT is flat-scanned and difficult to identify lesions with unclear boundaries, and contrast of normal tissues and lesion tissues can be improved by rapid injection of the contrast agent in a large amount through veins, so that the focus structure and range are more clearly displayed. In the past, nurses can only use a common 50ml syringe to manually push and annotate, and the time is long, so that dynamic observation on different periods of lesions cannot be achieved. The total amount, flow rate and time of the contrast agent can be accurately controlled by using a high-pressure injector at present, and a multi-stage scanning image of the enhanced viscera can be accurately obtained in CT enhanced radiography.
When contrast medium annotation is carried out on the indwelling needle embedded in the skin of a patient by utilizing the high-pressure injector, the practical indwelling needle is required to carry out pressure-resistant detection so as to prevent the indwelling needle from bursting due to the fact that the indwelling needle cannot bear the high pressure and high flow rate of the injector when carrying out high-pressure injection, the indwelling needle is connected with the high-pressure injector through threads at present, the dismounting speed is low, and when the action range of medical staff is large in the dismounting process, damage is caused to the connection part of the indwelling needle and the skin of the patient, so that the workload of the medical staff is increased.
Disclosure of Invention
The utility model aims to provide a pressure-resistant detection device for an indwelling needle, which aims to solve the problems in the prior art.
In order to achieve the above purpose, the present utility model provides the following technical solutions:
the pressure-resistant detection device for the indwelling needle comprises a pressurizing injector, wherein the pressurizing injector is connected with a pressurizer, a conical piston is arranged inside the pressurizing injector, an externally attached sleeve is fixedly arranged outside the pressurizing injector, and a sleeve joint is arranged at the bottom of the pressurizing injector;
the connecting component is arranged on the pressurizing injector and is used for communicating the pressurizing injector with the indwelling needle;
the explosion-proof assembly is arranged in the pressurizing injector and comprises a longitudinal movement structure and a transverse movement structure, the longitudinal movement structure is matched with the conical piston, and when the conical piston moves towards the sleeve joint, the longitudinal movement structure can drive the transverse movement structure to move towards the sleeve joint.
As a further scheme of the utility model: the connecting assembly comprises a rotating structure and a locking structure, the rotating structure comprises a fixed sleeve fixedly arranged on the socket joint, a fixed sleeve ring is arranged inside the fixed sleeve, the fixed sleeve ring is fixedly connected with the socket joint, and an elastic telescopic piece is rotatably arranged in the fixed sleeve ring.
As still further aspects of the utility model: the elastic expansion piece comprises a spring which is arranged between the sleeve joint and the fixed sleeve in a sliding manner, one end of the spring is abutted against the rotary lantern ring which is arranged in the fixed sleeve ring in a rotating manner, and the other end of the spring is abutted against the baffle plate which is arranged on the sleeve joint in a sliding manner.
As still further aspects of the utility model: the locking structure comprises a protruding column arranged on the indwelling needle connector;
the sliding groove is formed in the outer wall of the sleeve joint.
As still further aspects of the utility model: the longitudinal movement structure comprises a guide plate which is arranged on the pressurizing injector in a sliding mode, a connecting rod is fixedly arranged on the guide plate, a pulley is arranged at one end, away from the guide plate, of the connecting rod, and the pulley is matched with the conical piston.
As still further aspects of the utility model: the transverse movement structure comprises a grid baffle plate which is arranged on the pressurizing injector in a sliding manner, a push-pull rod is fixedly arranged on the grid baffle plate, a sliding rod is fixedly arranged at one end, away from the grid baffle plate, of the push-pull rod, and the sliding rod is arranged in a guide groove formed in the guide plate in a sliding manner.
Compared with the prior art, the utility model has the beneficial effects that:
the connecting assembly can enable the indwelling needle connector to be connected with the pressurizing injector quickly, and the connecting between the indwelling needle connector and the pressurizing injector can be more stable under the cooperation of the rotating structure and the locking structure;
after the remaining needle is connected with the pressurizing injector stably, when the pressurizing device is adjusted to carry out pressure-resistant test on the remaining needle, the check baffle can be pushed out completely after the conical piston moves towards the socket joint by a piston distance by utilizing the cooperation of the transverse movement structure and the longitudinal movement structure so as to wrap the remaining needle to be tested, the needle tube fragments and contrast liquid are prevented from splashing everywhere when the remaining needle bursts, the safety type of detection is improved, after detection is finished, the remaining broken remaining needle is taken down, and the conical piston and the check baffle are pushed to reset successively, so that the next detection can be carried out.
Drawings
FIG. 1 is a schematic view showing the structure of an embodiment of a pressure-resistant indwelling needle detecting device.
FIG. 2 is a schematic view showing the structure of the inside of the outer sleeve in one embodiment of the indwelling needle pressure resistance detecting device.
FIG. 3 is a schematic structural view of an explosion-proof component in an embodiment of the indwelling needle pressure-resistant detecting device.
FIG. 4 is a schematic view showing a structure of a lateral movement structure in one embodiment of the indwelling needle pressure-resistant detecting device.
FIG. 5 is a schematic view showing the structure of a connection assembly in one embodiment of the indwelling needle pressure-resistant detecting device.
FIG. 6 is a schematic view showing the structure of an elastic expansion member in one embodiment of the indwelling needle pressure-resistant detecting device.
FIG. 7 is a schematic diagram showing a structure of a connection head of an indwelling needle in an embodiment of the indwelling needle pressure-resistant detecting device.
In the figure: 1. pressurizing the syringe barrel; 2. an outer sleeve; 3. a grid baffle; 4. a fixed sleeve; 5. a retention needle connector; 6. a push-pull rod; 7. a guide plate; 8. a sliding groove; 9. a guide groove; 10. a conical piston; 11. a pulley; 12. a fixed collar; 13. a spring; 14. a baffle; 15. a slide bar; 16. rotating the collar; 17. a ball; 18. sleeving the joint; 19. a connecting rod; 20. and (5) protruding columns.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
In addition, an element in the present disclosure may be referred to as being "fixed" or "disposed" on another element or being directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like are used herein for illustrative purposes only and are not meant to be the only embodiment.
Referring to fig. 1 to 7, in an embodiment of the present utility model, a pressure-resistant detection device for an indwelling needle includes a pressurized syringe 1, wherein the pressurized syringe 1 is connected with a supercharger, a conical piston 10 is disposed inside the pressurized syringe 1, an outer sleeve 2 is fixedly disposed outside the pressurized syringe 1, and a sleeve joint 18 is disposed at the bottom of the pressurized syringe 1;
a connection assembly provided on the pressurized syringe 1 for communicating the pressurized syringe 1 with an indwelling needle;
when the pressure syringe 1 is used, the pressure syringe 1 is connected to the booster, the booster is used for pressurizing the pressure syringe 1, then the J-shaped drug suction tube is connected to the sleeve joint 18, the contrast agent is sucked into the pressure syringe 1, after the contrast agent is sucked, the retention needle is stably connected with the pressure syringe 1 by the aid of the connecting assembly, and at the moment, the booster is driven, so that the retention needle can be tested for pressure.
Referring to fig. 5, 6 and 7, the connecting assembly includes a rotating structure and a locking structure, the rotating structure includes a fixing sleeve 4 fixedly disposed on the socket 18, a fixing collar 12 is disposed inside the fixing sleeve 4, the fixing collar 12 is fixedly connected with the socket 18, and an elastic telescopic member is rotationally disposed in the fixing collar 12;
the elastic telescopic piece comprises a spring 13 which is arranged between the sleeve joint 18 and the fixed sleeve 4 in a sliding way, one end of the spring 13 is abutted with a rotary sleeve ring 16 which is rotatably arranged in the fixed sleeve ring 12, and the other end is abutted with a baffle piece 14 which is arranged on the sleeve joint 18 in a sliding way;
the locking structure comprises a protruding column 20 arranged on the retaining needle connector 5;
the sliding groove 8 is formed on the outer wall of the sleeve joint 18;
the rotating collar 16 is provided with a plurality of sets of balls 17 in a circumferential direction on a side away from the spring 13 so that the rotating collar 16 can rotate relative to the fixed collar 12.
Specifically, referring to fig. 5, the sliding groove 8 is a "J" type fitting groove body, and includes a vertical groove, a horizontal groove, and a locking groove, particularly referring to fig. 2, a trapezoid notch is provided at a port of the vertical groove for facilitating butt joint, during detection, a medical staff holds the indwelling needle connector 5, approaches the socket 18, rotates the indwelling needle connector 5 after the protruding column 20 abuts against an end surface of the socket 18, slides into the vertical groove under guidance of the trapezoid notch, pushes the indwelling needle connector 5 at this time, the spring 13 is further compressed, when the indwelling needle connector 5 cannot be pushed towards the socket 18, rotates the indwelling needle connector 5 until the indwelling needle connector cannot rotate, the spring 13 releases part of elastic potential energy, pushes the protruding column 20 to be clamped with the locking groove, and connects the indwelling needle connector 5 with the socket 18 at this time; after the test is finished, the retention needle connector 5 is pushed inwards and reversed, and the spring 13 releases elastic potential energy to push the retention needle connector 5 to be separated from the socket connector 18.
In the embodiment of the utility model, the connecting assembly can enable the indwelling needle connector 5 to be connected with the pressurizing injector 1 quickly, and the connecting between the indwelling needle connector 5 and the pressurizing injector 1 can be more stable under the cooperation of the rotating structure and the locking structure.
As an embodiment of the present utility model, referring to fig. 2, 3 and 4, an indwelling needle pressure-resistant detection device further includes an explosion-proof component, where the explosion-proof component is disposed in the pressurized syringe 1 and includes a longitudinal movement structure and a lateral movement structure, the longitudinal movement structure is matched with the conical piston 10, and when the conical piston 10 moves towards the socket 18, the longitudinal movement structure can drive the lateral movement structure to move towards the socket 18;
the longitudinal movement structure comprises a guide plate 7 which is arranged on the pressurizing injector 1 in a sliding way, a connecting rod 19 is fixedly arranged on the guide plate 7, a pulley 11 is arranged at one end, away from the guide plate 7, of the connecting rod 19, and the pulley 11 is matched with the conical piston 10;
the guide plates 7 are provided with two groups, the two groups of guide plates 7 slide and open into a groove formed in the pressurizing injector 1, a damping sleeve is arranged on the side wall of the groove, when the conical piston 10 moves towards the sleeve joint 18, the conical table surface of the conical piston 10 is matched with the pulley 11, the pulley 11 can be pushed to slide along the conical table surface, so that the guide plates 7 gradually protrude out of the pressurizing injector 1, and after the pulley 11 is separated from the conical piston 10, the guide plates 7 cannot fall back.
The transverse movement structure comprises a grid baffle plate 3 which is arranged on the pressurizing injector 1 in a sliding manner, a push-pull rod 6 is fixedly arranged on the grid baffle plate 3, a sliding rod 15 is fixedly arranged at one end, far away from the grid baffle plate 3, of the push-pull rod 6, and the sliding rod 15 is arranged in a guide groove 9 formed in the guide plate 7 in a sliding manner;
in the process that the guide plate 7 gradually protrudes out of the pressurizing injector 1, the side wall of the guide groove 9 and the sliding rod 15 are extruded, the push-pull rod 6 and the grid baffle plate 3 can be pushed to move towards the sleeve joint 18, the grid baffle plate 3 is utilized to wrap the remaining needle of the pressure resistance test, and therefore when the unqualified remaining needle bursts, needle tube fragments and contrast liquid cannot splash around.
In the embodiment of the utility model, after the indwelling needle is stably connected with the pressurizing injector 1, when the pressurizing device is regulated to perform pressure resistance test on the indwelling needle, the grid baffle 3 can be pushed out after the conical piston 10 moves towards the sleeve joint 18 for a piston distance by utilizing the cooperation of the transverse movement structure and the longitudinal movement structure so as to wrap the indwelling needle to be tested, the needle tube fragments and contrast liquid are prevented from splashing everywhere when the indwelling needle bursts, the safety type of detection is improved, after the detection is finished, the rest broken indwelling needle is taken down, and the conical piston 10 and the grid baffle 3 are reset by pushing in sequence, so that the next detection can be performed.
It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.
Claims (6)
1. An indwelling needle pressure-resistant detection device, comprising:
the device comprises a pressurizing injector (1), wherein the pressurizing injector (1) is connected with a supercharger, a conical piston (10) is arranged inside the pressurizing injector (1), an outer sleeve (2) is fixedly arranged outside the pressurizing injector, and a sleeve joint (18) is arranged at the bottom of the pressurizing injector (1);
the connecting component is arranged on the pressurizing injector (1) and is used for communicating the pressurizing injector (1) with an indwelling needle;
the explosion-proof assembly is arranged in the pressurizing injector (1) and comprises a longitudinal movement structure and a transverse movement structure, the longitudinal movement structure is matched with the conical piston (10), and when the conical piston (10) moves towards the socket joint (18), the longitudinal movement structure can drive the transverse movement structure to move towards the socket joint (18).
2. The indwelling needle pressure-resistant detection device according to claim 1, wherein the connecting component comprises a rotating structure and a locking structure, the rotating structure comprises a fixing sleeve (4) fixedly arranged on the sleeving joint (18), a fixing collar (12) is arranged inside the fixing sleeve (4), the fixing collar (12) is fixedly connected with the sleeving joint (18), and an elastic telescopic piece is arranged in the fixing collar (12) in a rotating mode.
3. The indwelling needle pressure-resistant detection device according to claim 2, wherein the elastic telescopic member comprises a spring (13) slidably arranged between the sleeve joint (18) and the fixed sleeve (4), one end of the spring (13) is abutted against a rotary sleeve ring (16) rotatably arranged in the fixed sleeve ring (12), and the other end is abutted against a blocking piece (14) slidably arranged on the sleeve joint (18).
4. A pressure-resistant indwelling needle detecting device according to claim 3, further comprising an indwelling needle connector (5); the locking structure comprises a protruding column (20) arranged on the retaining needle connector (5);
the sliding groove (8) is formed in the outer wall of the sleeve joint (18).
5. The indwelling needle pressure-resistant detection device according to claim 2, wherein the longitudinal movement structure comprises a guide plate (7) slidably arranged on the pressurizing syringe (1), a connecting rod (19) is fixedly arranged on the guide plate (7), a pulley (11) is arranged at one end, away from the guide plate (7), of the connecting rod (19), and the pulley (11) is matched with the conical piston (10).
6. The indwelling needle pressure-resistant detection device according to claim 5, wherein the transverse movement structure comprises a grid baffle plate (3) arranged on the pressurizing injector (1) in a sliding mode, a push-pull rod (6) is fixedly arranged on the grid baffle plate (3), a sliding rod (15) is fixedly arranged at one end, far away from the grid baffle plate (3), of the push-pull rod (6), and the sliding rod (15) is arranged in a guide groove (9) formed in the guide plate (7) in a sliding mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321600587.0U CN220399141U (en) | 2023-06-24 | 2023-06-24 | Pressure-resistant detection device for indwelling needle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321600587.0U CN220399141U (en) | 2023-06-24 | 2023-06-24 | Pressure-resistant detection device for indwelling needle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220399141U true CN220399141U (en) | 2024-01-26 |
Family
ID=89597214
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321600587.0U Active CN220399141U (en) | 2023-06-24 | 2023-06-24 | Pressure-resistant detection device for indwelling needle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220399141U (en) |
-
2023
- 2023-06-24 CN CN202321600587.0U patent/CN220399141U/en active Active
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