CN219170784U - Endoscope ultrasonic biopsy needle connecting device - Google Patents
Endoscope ultrasonic biopsy needle connecting device Download PDFInfo
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- CN219170784U CN219170784U CN202320363862.5U CN202320363862U CN219170784U CN 219170784 U CN219170784 U CN 219170784U CN 202320363862 U CN202320363862 U CN 202320363862U CN 219170784 U CN219170784 U CN 219170784U
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- connecting piece
- biopsy needle
- metal wedge
- catheter
- flexible
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/30—Against vector-borne diseases, e.g. mosquito-borne, fly-borne, tick-borne or waterborne diseases whose impact is exacerbated by climate change
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Abstract
The utility model relates to the field of flexible catheter connecting structures, in particular to an endoscopic ultrasonic biopsy needle connecting device. The device comprises a flexible catheter, a connecting piece and a metal wedge; the connecting piece is hollow and sleeved outside the flexible catheter, and the inside of the connecting piece is reserved with an installation position; the metal wedge is arranged at the end part of the flexible conduit, and the metal wedge and the flexible conduit are assembled and then are arranged at the installation position of the connecting piece in an interference mode. When the utility model is installed, the soft catheter passes through the connecting piece first. And then the nail rod of the metal wedge is plugged into the end part of the flexible catheter. And then the nail rod of the metal wedge is in interference fit with the connecting piece in an interference mode, and the nail cap is movably clamped in the connecting piece. Finally, the connecting piece is clamped and installed in the shell of the biopsy needle main body. The structure has good connection tightness, convenient and reliable operation, simple process and lower cost, can effectively improve the production and assembly efficiency of the ultrasonic biopsy needle of the endoscope, and has larger practical value.
Description
Technical Field
The utility model relates to the field of flexible catheter connecting structures, in particular to an endoscopic ultrasonic biopsy needle connecting device.
Background
When manufacturing an endoscope ultrasonic biopsy needle, a flexible catheter is usually made of Polytetrafluoroethylene (PTFE)/polyether ether ketone (PEEK)/perfluoroethylene propylene copolymer (FEP), and the connection is usually in a glue bonding structure, but the material is difficult to directly bond with other components firmly due to poor adhesion performance, and other chemical or physical treatment processes are usually required to improve the adhesion capability. The safety of the chemical treatment agent cannot be ensured, and cancerogenic substances are easily generated. The physical treatment requires the addition of special equipment, and the corresponding equipment has higher manufacturing cost.
Disclosure of Invention
Aiming at the problems in the background technology, an endoscope ultrasonic biopsy needle connecting device is provided. The utility model has good connection tightness, convenient and reliable operation, can effectively improve the production and assembly efficiency of the endoscope ultrasonic biopsy needle, has simple process and lower cost, and has larger practical value.
The utility model provides an endoscopic ultrasonic biopsy needle connecting device, which comprises a flexible catheter, a connecting piece and a metal wedge; the connecting piece is hollow and sleeved outside the flexible catheter, and the inside of the connecting piece is reserved with an installation position; the metal wedge is arranged at the end part of the flexible conduit, and the metal wedge and the flexible conduit are assembled and then are arranged at the installation position of the connecting piece in an interference mode.
Preferably, the connecting piece is arranged in the sleeve adjusting sleeve in a clamping way.
Preferably, the metal wedge is a rivet, the nail rod extends into the soft catheter and is connected with the soft catheter, the nail rod is in interference fit with the connecting piece, and the nail cap is movably clamped in the connecting piece.
Preferably, the nut is connected with the head of the steel pipe.
Preferably, the nut is connected with the head of the steel pipe through glue.
Preferably, the steel tube stretches into the handle, and the tail part is fixed in the handle through glue.
Preferably, a puncture depth adjusting rod is arranged in the handle; the connecting piece, the steel pipe and the puncture depth adjusting rod are connected through a buckle structure.
Compared with the prior art, the utility model has the following beneficial technical effects:
when the utility model is installed, the soft catheter passes through the connecting piece first. And then the nail rod of the metal wedge is plugged into the end part of the flexible catheter. And then the nail rod of the metal wedge is in interference fit with the connecting piece in an interference mode, and the nail cap is movably clamped in the connecting piece. Finally, the connecting piece is clamped and installed in the shell of the biopsy needle main body. The structure has good connection tightness, convenient and reliable operation, simple process and lower cost, can effectively improve the production and assembly efficiency of the ultrasonic biopsy needle of the endoscope, and has larger practical value.
Drawings
FIG. 1 is a schematic diagram of the overall structure of an embodiment of the present utility model;
fig. 2 is an enlarged view at a in fig. 1.
Reference numerals: 1. a metal wedge; 2. a flexible catheter; 3. a connecting piece; 4. a steel pipe; 5. a handle; 6. a sleeve adjusting sleeve; 7. a puncture depth adjusting rod; 8. and a fastening structure.
Detailed Description
Example 1
1-2, the utility model provides an endoscopic ultrasonic biopsy needle connecting device, which comprises a flexible catheter 2, a connecting piece 3 and a metal wedge 1; the connecting piece 3 is hollow and sleeved outside the flexible catheter 2, and the inside is reserved with an installation position; the metal wedge 1 is arranged at the end of the flexible conduit 2, and the metal wedge and the flexible conduit are assembled and then are arranged at the installation position of the connecting piece 3 in an interference mode.
Example two
1-2, the utility model provides an endoscopic ultrasonic biopsy needle connecting device, which comprises a flexible catheter 2, a connecting piece 3 and a metal wedge 1; the connecting piece 3 is hollow and sleeved outside the flexible catheter 2, and the inside is reserved with an installation position; the metal wedge 1 is arranged at the end of the flexible conduit 2, and the metal wedge and the flexible conduit are assembled and then are arranged at the installation position of the connecting piece 3 in an interference mode.
It should be further noted that the connecting member 3 is snap-fitted into the sleeve adjusting collar 6.
Example III
1-2, the utility model provides an endoscopic ultrasonic biopsy needle connecting device, which comprises a flexible catheter 2, a connecting piece 3 and a metal wedge 1; the connecting piece 3 is hollow and sleeved outside the flexible catheter 2, and the inside is reserved with an installation position; the metal wedge 1 is arranged at the end of the flexible conduit 2, and the metal wedge and the flexible conduit are assembled and then are arranged at the installation position of the connecting piece 3 in an interference mode.
It should be further noted that the connecting member 3 is snap-fitted into the sleeve adjusting collar 6.
It should be further noted that the metal wedge 1 is a rivet, the pin rod extends into the soft catheter 2 and is connected with the soft catheter, then is in interference fit with the connecting piece 3, and the pin cap is movably clamped in the connecting piece 3.
It should be further noted that the nut is connected to the head of the steel pipe 4.
Example IV
1-2, the utility model provides an endoscopic ultrasonic biopsy needle connecting device, which comprises a flexible catheter 2, a connecting piece 3 and a metal wedge 1; the connecting piece 3 is hollow and sleeved outside the flexible catheter 2, and the inside is reserved with an installation position; the metal wedge 1 is arranged at the end of the flexible conduit 2, and the metal wedge and the flexible conduit are assembled and then are arranged at the installation position of the connecting piece 3 in an interference mode.
It should be further noted that the connecting member 3 is snap-fitted into the sleeve adjusting collar 6.
It should be further noted that the metal wedge 1 is a rivet, the pin rod extends into the soft catheter 2 and is connected with the soft catheter, then is in interference fit with the connecting piece 3, and the pin cap is movably clamped in the connecting piece 3.
It should be further noted that the nut is connected to the head of the steel pipe 4 by glue. The steel pipe 4 stretches into the handle 5, and the tail part is fixed in the handle 5 through glue.
Example five
1-2, the utility model provides an endoscopic ultrasonic biopsy needle connecting device, which comprises a flexible catheter 2, a connecting piece 3 and a metal wedge 1; the connecting piece 3 is hollow and sleeved outside the flexible catheter 2, and the inside is reserved with an installation position; the metal wedge 1 is arranged at the end of the flexible conduit 2, and the metal wedge and the flexible conduit are assembled and then are arranged at the installation position of the connecting piece 3 in an interference mode.
It should be further noted that the connecting member 3 is snap-fitted into the sleeve adjusting collar 6.
It should be further noted that the metal wedge 1 is a rivet, the pin rod extends into the soft catheter 2 and is connected with the soft catheter, then is in interference fit with the connecting piece 3, and the pin cap is movably clamped in the connecting piece 3.
It should be further noted that the nut is connected to the head of the steel pipe 4 by glue. The steel pipe 4 stretches into the handle 5, and the tail part is fixed in the handle 5 through glue.
It should be further noted that a puncture depth adjusting rod 7 is arranged in the handle 5; the connecting piece 3, the steel pipe 4 and the puncture depth adjusting rod 7 are connected through a buckling structure 8.
The working principle of the utility model is as follows: the flexible catheter 2 is first passed through the connector 3 during installation. And then the nail rod of the metal wedge 1 is plugged into the end part of the flexible catheter 2. Then, the nail rod of the metal wedge 1 is in interference fit with the connecting piece 3 in an interference mode, and the nail cap is movably clamped in the connecting piece 3. Finally, the connecting piece 3 is clamped and installed in the shell of the biopsy needle main body. The structure has good connection tightness, convenient and reliable operation, simple process and lower cost, can effectively improve the production and assembly efficiency of the ultrasonic biopsy needle of the endoscope, and has larger practical value.
The embodiments of the present utility model have been described in detail with reference to the drawings, but the present utility model is not limited thereto, and various changes can be made within the knowledge of those skilled in the art without departing from the spirit of the present utility model.
Claims (7)
1. An endoscopic ultrasonic biopsy needle connecting device is characterized by comprising a flexible catheter (2), a connecting piece (3) and a metal wedge (1); the connecting piece (3) is hollow and sleeved outside the flexible catheter (2), and the installation position is reserved in the connecting piece; the metal wedge (1) is arranged at the end part of the flexible conduit (2), and the metal wedge and the flexible conduit are assembled and then are arranged at the installation position of the connecting piece (3) in an interference mode.
2. An endoscopic ultrasound biopsy needle connection device according to claim 1, wherein the connection member (3) is snap-fitted in the cannula adjustment sleeve (6).
3. The connection device of the ultrasonic biopsy needle of the endoscope according to claim 1, wherein the metal wedge (1) is a rivet, the nail rod stretches into the soft catheter (2) to be connected with the soft catheter and then is in interference fit with the connecting piece (3), and the nail cap is movably clamped in the connecting piece (3).
4. An endoscopic ultrasonic biopsy needle attachment apparatus according to claim 3, wherein the nut is attached to the head of the steel tube (4).
5. An endoscopic ultrasound biopsy needle connection device according to claim 4, wherein the nut is connected to the head of the steel tube (4) by glue.
6. An endoscopic ultrasound biopsy needle connection device according to claim 4, wherein the steel tube (4) extends into the handle (5) and the tail is fixed in the handle (5) by glue.
7. An endoscopic ultrasound biopsy needle connection device according to claim 6, wherein a penetration depth adjusting lever (7) is provided in the handle (5); the connecting piece (3), the steel pipe (4) and the puncture depth adjusting rod (7) are connected through a buckling structure (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320363862.5U CN219170784U (en) | 2023-03-02 | 2023-03-02 | Endoscope ultrasonic biopsy needle connecting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320363862.5U CN219170784U (en) | 2023-03-02 | 2023-03-02 | Endoscope ultrasonic biopsy needle connecting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219170784U true CN219170784U (en) | 2023-06-13 |
Family
ID=86662101
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320363862.5U Active CN219170784U (en) | 2023-03-02 | 2023-03-02 | Endoscope ultrasonic biopsy needle connecting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219170784U (en) |
-
2023
- 2023-03-02 CN CN202320363862.5U patent/CN219170784U/en active Active
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