CN209770508U - Device for fixing puncture needle - Google Patents
Device for fixing puncture needle Download PDFInfo
- Publication number
- CN209770508U CN209770508U CN201920095919.1U CN201920095919U CN209770508U CN 209770508 U CN209770508 U CN 209770508U CN 201920095919 U CN201920095919 U CN 201920095919U CN 209770508 U CN209770508 U CN 209770508U
- Authority
- CN
- China
- Prior art keywords
- puncture needle
- fixing
- guide
- support rod
- piece
- 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.)
- Active
Links
Landscapes
- Measurement Of The Respiration, Hearing Ability, Form, And Blood Characteristics Of Living Organisms (AREA)
Abstract
The application discloses be liable to change pjncture needle and can reduce the device that is used for fixed pjncture needle of puncture risk includes: fixed unit and the guide unit of setting in fixed unit lower part, fixed unit includes: a support rod and a positioning piece; the guide unit includes: a guide bracket and a rotary connecting piece; the first end of the supporting rod is used for being connected with the lead screw linear module, the second end of the supporting rod is detachably connected with the positioning piece through at least one first fixing pin, and a first through hole for penetrating the puncture needle is formed in the positioning piece; the rotating connecting piece and the guide support can be detachably connected through at least one second fixing pin, and a second through hole for penetrating the puncture needle is formed in the rotating connecting piece. This application is inserted the cooperation realization between fixed round pin and bracing piece and the setting element through taking the pull ring soon and is drawn the quick detach, realizes self-align through the arch on the setting element simultaneously.
Description
Technical Field
The application relates to the medical field, in particular to a device for fixing a puncture needle.
Background
In clinical work in hospitals, puncturing is a common and convenient treatment means, for example, thoracocentesis refers to the operation of puncturing the skin, intercostal tissues, parietal pleura into the pleural cavity with a sterilized needle.
And the puncture needle is arranged on the mechanical arm used in the CT scanning aperture, and the puncture needle can be aligned and moved by controlling the movement of the mechanical handle. However, the existing device for fixing the puncture needle is simple in structure and not easy to replace, and when the needle point just punctures the skin, the skin can be greatly rebounded at one moment due to the elasticity of the skin tissue, so that certain safety risk is brought.
The information disclosed in this background section is only for enhancement of understanding of the general background of the application and should not be taken as an acknowledgement or any form of suggestion that this information forms the prior art already known to a person skilled in the art.
SUMMERY OF THE UTILITY MODEL
the main object of the present application is to provide a device for fixing a puncture needle that is easy to replace the puncture needle and that can reduce the risk of puncture.
In order to solve the above problems, the present application relates to a device for fixing a puncture needle, comprising: fixed unit and the guide unit of setting in fixed unit lower part, fixed unit includes: a support rod and a positioning piece; the guide unit includes: a guide bracket and a rotary connecting piece; the first end of the supporting rod is used for being connected with the lead screw linear module, the second end of the supporting rod is detachably connected with the positioning piece through at least one first fixing pin, and a first through hole for penetrating the puncture needle is formed in the positioning piece; the rotating connecting piece and the guide support can be detachably connected through at least one second fixing pin, and a second through hole for penetrating the puncture needle is formed in the rotating connecting piece.
Furthermore, the first end of the positioning piece is provided with a protrusion which is inserted into the groove of the second end of the supporting rod.
Furthermore, the first end of the supporting rod is provided with a bending part, and the bending part is connected with the lead screw linear module.
Furthermore, a first fastening screw for fixing the puncture needle is arranged at the second end of the positioning piece.
Further, the rotating connecting piece is provided with an arc-shaped end part, so that the rotating connecting piece can rotate relative to the supporting rod.
Further, the first and second fixing pins include a pull ring.
Furthermore, the supporting rod and the positioning piece are approximately trapezoidal.
Further, the guide support is provided with a hollow groove.
Further, the fixing unit and the guiding unit are both made of non-metal materials. Further, the non-metallic material is nylon.
The beneficial effect of this application is: the device for fixing the puncture needle utilizes the characteristic that the fixing part has quick disassembly and self-positioning, realizes drawing the quick disassembly through the matching between the quick-insertion fixing pin with the pull ring and the supporting rod and the positioning piece, and realizes self-positioning through the bulge on the positioning piece. In addition, the fixing unit and the guide unit element which are connected through quick disassembly can be disassembled and connected under the condition that the puncture needle is fixed, so that the puncture needle can be replaced quickly.
This application utilizes guide bracket can improve the security of puncture, because in-service use guide bracket is pressing close to the skin position, when the needle point just pierced skin, because the elasticity of skin tissue can lead to a skin of piercing in the twinkling of an eye to have big resilience, can bring certain safe risk, and utilizes the guide bracket of this application can block the big resilience motion of skin, reduces the risk.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this application, serve to provide a further understanding of the application and to enable other features, objects, and advantages of the application to be more apparent. The drawings and their description illustrate the embodiments of the invention and do not limit it. In the drawings:
Fig. 1 is a perspective view of a device for fixing a puncture needle according to an embodiment of the present application;
Fig. 2 is a schematic cross-sectional view of an apparatus for fixing a puncture needle according to an embodiment of the present application;
Fig. 3 is a schematic structural view of a guide unit in the apparatus for fixing the puncture needle according to the embodiment of the present application;
Fig. 4 is a schematic structural view of a device for fixing a puncture needle connected to a lead screw linear module according to an embodiment of the present application.
Detailed Description
In order to make the technical solutions better understood by those skilled in the art, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only partial embodiments of the present application, but not all 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 application.
Furthermore, the terms "mounted," "disposed," "provided," "connected," and "configured" are to be construed broadly. For example, it may be a fixed connection, a removable connection, or a unitary construction; can be a mechanical connection, or an electrical connection; may be directly connected, or indirectly connected through intervening media, or may be in internal communication between two devices, elements or components. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.
it should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present application will be described in detail below with reference to the embodiments with reference to the attached drawings.
As shown in fig. 1 to 3, a device for fixing a puncture needle according to the present application includes: a fixing unit 1 and a guide unit 2 disposed at a lower portion of the fixing unit 1.
Wherein the fixing unit includes: a support bar 11 having a substantially trapezoidal profile and a positioning member 13. The first end (the right side in fig. 1) of bracing piece 11 is used for being connected with the linear module of lead screw to can move up and down through the effect of the linear module of lead screw, and is further, the first end of bracing piece 11 has the portion of bending 19, is equipped with two at least through-holes on this portion of bending 19, and is further, the quantity of through-hole is five, includes: three screw through holes, two dowel pin through holes, through which the bent part 19 can be connected to the screw linear module by means of fixing elements, such as screws or pins.
in addition, the second end (left side in fig. 1) of the supporting rod 11 is detachably connected to the positioning member 13, and further, the first end of the positioning member 13 is provided with a protrusion 16, the second end of the supporting rod 11 is provided with a groove 17, and the protrusion 16 can be inserted into the groove 17 of the supporting rod 11, so that the supporting rod 11 and the positioning member 13 can be detachably connected.
Furthermore, two pin holes are provided at the second end of the support bar 11, and two pin holes are also provided at the protrusion 16 of the first end of the positioning member 13, and the protrusion 16 is inserted into the groove 17 of the support bar 11, and the support bar 11 and the positioning member 13 are fixedly connected together by two first fixing pins 15 with pull rings 18. That is, the support rod 11 and the positioning member 13 can be separated from each other, the positioning member 13 and the support rod 11 can be quickly and tightly coupled together by inserting the first fixing pin with a pull ring, and the installation accuracy is ensured.
Furthermore, a first through hole 1a for inserting the puncture needle 4 is provided in the positioning element 13, so that the puncture needle 4 passes through the positioning element 13 via the first through hole 1 a.
as an embodiment of the present application, a first fastening screw 14 is further provided at the second end of the positioning member 13 for fixing the puncture needle. That is, once the puncture needle 4 passes through the positioning member 13 via the first through hole 1a, the puncture needle 4 can be fixed by tightening the first fastening screw.
The guide unit 2 includes a guide bracket 21 and a rotary joint 22. Wherein, the rotating connecting piece 22 is detachably connected with the guide bracket 21. Specifically, one end of the rotation connector 22 is provided with an end 221, and the opposite end of the guide bracket 21 is provided with a slot, and the arc-shaped end 221 can be inserted into the slot of the guide bracket 21, so that the rotation connector 22 and the guide bracket 21 can be detachably connected, that is, the rotation connector 22 can be separated from the guide bracket 21.
As an embodiment of the present application, the end 221 of the rotation connector 22 is arc-shaped, that is, the rotation connector 22 has an arc-shaped end 221, so that the rotation connector 22 can rotate in the insertion groove of the guide bracket 21, thereby enabling the rotation connector 22 to rotate relative to the support bar 11.
Furthermore, a second through-hole 2a for the puncture needle to pass through is provided in the rotary connection 22, so that the puncture needle 4 passes through the rotary connection 22 via the second through-hole 2 a.
In addition, the rubber sleeve 24 is arranged in the second through hole 2a, so that the puncture needle can be effectively fixed, and the needle head can not be damaged. In addition, in order to reduce the weight of the guide bracket 21 while having a certain structural strength, the guide bracket 21 is provided with a hollow groove 2 b.
Furthermore, the rotating connecting member 22 has an arc end 221 with two pin holes, and the slot of the guiding bracket 21 has two pin holes, so that when the arc end 221 is inserted into the slot of the guiding bracket 21, the supporting rod 11 and the positioning member 13 are fixedly connected together by two second fixing pins 25 with pull rings 28. That is, the pivotal connection 22 and the guide bracket 21 can be quickly and tightly coupled together by inserting the second fixing pin with the pull ring 28, and the mounting accuracy is ensured.
As an embodiment of the present application, the fixing unit 1 and the guide unit 2 of the present application are made of a non-metallic material. That is, the support rod 11, the positioning member 13, the guide bracket 21 and the rotational connection member 22, the fastening screw and the first and second fixing pins are made of a non-metallic material, that is, all the components related to the present application except the puncture needle are made of a non-metallic material. Furthermore, the non-metal material is nylon, and since each part is made of the non-metal material, the weight can be reduced, and the non-metal material has the advantage of low artifact when used in a medical environment, such as a CT scanning environment.
Before the device for fixing the puncture needle of the present application is used and installed, as shown in fig. 4, the positioning member 13 of the fixing unit 1 is first inserted into the support rod 11 through the protrusion 16, and then the positioning member 13 and the support rod 11 are automatically and tightly connected in a centering manner by inserting two first fixing pins. One end of the rotating connector in the guide unit has a circular arc-shaped feature, which enables a certain angle of rotation in the groove of the guide bracket 21, and the guide bracket 21 and the rotating connector are tightly connected together by two second fixing pins 25. Further, the first end (right side in fig. 1) of the support rod 11 is used to be connected with the lead screw linear block 5 so as to be movable up and down by the lead screw linear block 5.
When the device for fixing the puncture needle is installed, the puncture needle 4 sequentially passes through the first through hole 1a of the positioning piece and the second through hole 2a of the connecting piece, then the puncture needle 4 is fixed through the fastening screw beside the positioning piece, during operation, the guide unit 2 is fixed, and the fixing unit 1 drives the puncture needle 4 to do back and forth puncture motion along the linear direction of the two through holes, so that puncture operation is performed.
The above description is only a preferred embodiment of the present application and is not intended to limit the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application are included in the protection scope of the present application.
Claims (10)
1. An apparatus for securing a needle, comprising: fixed unit (1) and set up at fixed unit (1) lower part guide unit (2), fixed unit includes: a support rod (11) and a positioning piece (13); the guide unit (2) comprises: a guide bracket (21) and a rotary connecting piece (22);
The first end of the support rod (11) is used for being connected with a lead screw linear module, the second end of the support rod and the positioning piece (13) can be detachably connected through at least one first fixing pin (15), and a first through hole (1a) for penetrating a puncture needle is formed in the positioning piece (13);
The rotary connecting piece (22) and the guide bracket (21) can be detachably connected through at least one second fixing pin (25), and a second through hole (2a) for penetrating the puncture needle is formed in the rotary connecting piece (22).
2. A device for fixing puncture needles according to claim 1, characterized in that the first end of the positioning member (13) is provided with a projection (16), and the projection (16) is inserted into a groove (17) of the second end of the support rod (11).
3. The device for fixing the puncture needle according to claim 1, wherein the first end of the support rod (11) has a bend (19), and the bend (19) is connected with the lead screw linear module.
4. Device for immobilizing a puncture needle according to claim 2, characterized in that the second end of the positioning element (13) is provided with a first fastening screw (14) for immobilizing the puncture needle.
5. device for immobilizing a puncture needle according to claim 1, characterized in that the rotary joint (22) is provided with an arc-shaped end portion (221) so that the rotary joint (22) can rotate relative to the support rod (11).
6. Device for fixing a puncture needle according to claim 1, characterized in that the first fixing pin (15) and the second fixing pin (25) comprise pull rings (18, 28).
7. Device for immobilizing a puncture needle according to claim 1, characterized in that the support bar (11) and the positioning element (13) are substantially trapezoidal.
8. Device for immobilizing puncture needle according to claim 1, characterized in that the guide bracket (21) is provided with a hollow groove (2 b).
9. The device for fixing puncture needles according to any one of claims 1 to 8, wherein the fixing unit (1) and the guide unit (2) are made of a non-metallic material.
10. The device for securing a puncture needle according to claim 9, wherein the non-metallic material is nylon.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920095919.1U CN209770508U (en) | 2019-01-21 | 2019-01-21 | Device for fixing puncture needle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920095919.1U CN209770508U (en) | 2019-01-21 | 2019-01-21 | Device for fixing puncture needle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209770508U true CN209770508U (en) | 2019-12-13 |
Family
ID=68793071
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920095919.1U Active CN209770508U (en) | 2019-01-21 | 2019-01-21 | Device for fixing puncture needle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209770508U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109846533A (en) * | 2019-02-12 | 2019-06-07 | 北京理工大学 | For fixing the device of puncture needle |
| CN113952032A (en) * | 2021-12-20 | 2022-01-21 | 北京诺亦腾科技有限公司 | Space tracking equipment for orthopedic surgery |
| CN115252143A (en) * | 2022-09-27 | 2022-11-01 | 真健康（北京）医疗科技有限公司 | Operation navigation positioning robot and electric end effector |
-
2019
- 2019-01-21 CN CN201920095919.1U patent/CN209770508U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109846533A (en) * | 2019-02-12 | 2019-06-07 | 北京理工大学 | For fixing the device of puncture needle |
| CN113952032A (en) * | 2021-12-20 | 2022-01-21 | 北京诺亦腾科技有限公司 | Space tracking equipment for orthopedic surgery |
| CN115252143A (en) * | 2022-09-27 | 2022-11-01 | 真健康（北京）医疗科技有限公司 | Operation navigation positioning robot and electric end effector |
| CN115252143B (en) * | 2022-09-27 | 2023-01-17 | 真健康（北京）医疗科技有限公司 | Operation navigation positioning robot and electric end effector |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN209770508U (en) | Device for fixing puncture needle | |
| CN113476025B (en) | Puncture needle for monitoring pressure of invasive artery | |
| CN111436976B (en) | Device for fixing puncture needle | |
| CN110946627A (en) | Nephrology department biopsy puncture device | |
| CN109846533B (en) | Device for fixing puncture needle | |
| CN215228228U (en) | Aseptic puncture fixer | |
| CN211460449U (en) | Nerve block puncture needle guide fixing device | |
| CN214857241U (en) | Puncture auxiliary device for nephrology department | |
| CN212879499U (en) | Fixing device is assisted in puncture | |
| CN117481766B (en) | Quick assembly disassembly clamping structure of ablation needle and piercing depth thereof | |
| CN111345875A (en) | Ultrasonic probe guiding device | |
| CN220477639U (en) | High-stability anti-shaking puncture frame | |
| CN109157267B (en) | Ultrasonic probe puncture device and puncture system | |
| CN221013424U (en) | Medical puncture device | |
| CN210903039U (en) | Blood taking needle | |
| CN216022611U (en) | Medical seal wire mounting fixture | |
| CN218889718U (en) | Bone joint operation piercing depth | |
| CN212281574U (en) | Skull traction positioning instrument for orthopedics department | |
| CN109481745A (en) | Liposuction entrance positioning device | |
| CN210056146U (en) | Hyperosteogeny operation device and eccentric guide assembly thereof | |
| CN219440119U (en) | Isolator glove support for reducing isolator glove sterilization dead angles | |
| CN219229978U (en) | Medical drag hook seat | |
| CN212234614U (en) | Support fixing sleeve | |
| CN109984776B (en) | Needle assembly | |
| CN201977892U (en) | Pericardium puncture needle fixer |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |