CN210784443U - Biopsy sampling adapter - Google Patents
Biopsy sampling adapter Download PDFInfo
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- CN210784443U CN210784443U CN201921306270.XU CN201921306270U CN210784443U CN 210784443 U CN210784443 U CN 210784443U CN 201921306270 U CN201921306270 U CN 201921306270U CN 210784443 U CN210784443 U CN 210784443U
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- pipe
- biopsy
- biopsy sampling
- sampling adapter
- connecting pipe
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Abstract
The utility model provides a biopsy sampling adapter, it includes male joint and female joint, wherein: the male connector comprises an inner pipe and an outer pipe sleeved outside the inner pipe, the first end of the outer pipe is hermetically connected with the inner pipe, a connecting annular space is formed between the outer pipe and the inner pipe, and internal threads are arranged on the inner surface of the outer pipe; the female joint comprises a connecting pipe, external threads are arranged on the outer peripheral face of the liquid inlet end of the connecting pipe, the liquid outlet end of the connecting pipe is connected with the liquid inlet end of the inner pipe, the connecting pipe is communicated with the inner pipe, the outer diameter of the connecting pipe is smaller than that of the outer pipe, and the inner diameter of the connecting pipe is in a reducing shape along the direction towards the male joint. The utility model discloses a biopsy sample adapter can realize 1cm sample, has effectively solved current disposable full-automatic biopsy needle (rifle) and partial semi-automatic biopsy needle (rifle) and can only realize 2cm sample, can't realize the problem of 1cm sample.
Description
Technical Field
The utility model relates to a human soft tissue biopsy technical field, in particular to biopsy sampling adapter.
Background
The soft tissue puncture biopsy can obtain enough tissue specimens for histopathological diagnosis, can distinguish in-situ cancer and infiltration cancer, has sensitivity and specificity reaching 80-100 percent, and is widely applied to diagnosis before treatment and follow-up after treatment of human soft tissues and organs. Needle biopsy of thyroid, superficial lymph, liver, lung, kidney, pancreas, prostate and other soft tissues has become very popular in China.
The most common biopsy method is a disposable fully or semi-automatic biopsy needle (gun) in combination with a co-axial positioning needle for soft tissue biopsy. The length of the sample obtained by the disposable fully automatic biopsy needle (gun) and most disposable semi-automatic biopsy needles (guns) is 2 cm. However, many tumors or nodules are small in size, the length of the sample is about 1cm, the sampling of small nodules cannot be realized by a 2cm sampling instrument, and the requirement that a doctor hopes that a biopsy instrument can obtain a sample with the length of 1cm is very extensive.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a can make biopsy instrument obtain 1cm length sample's biopsy sample adapter.
In order to achieve the above object, the utility model provides a biopsy sampling adapter, it includes:
the male connector comprises an inner pipe and an outer pipe sleeved outside the inner pipe, the first end of the outer pipe is connected with the inner pipe in a sealing mode, a connecting annular space is formed between the outer pipe and the inner pipe, and internal threads are arranged on the inner surface of the outer pipe;
the female joint comprises a connecting pipe, external threads are arranged on the outer peripheral face of the liquid inlet end of the connecting pipe, the liquid outlet end of the connecting pipe is connected with the liquid inlet end of the inner pipe, the connecting pipe is communicated with the inner pipe, the outer diameter of the connecting pipe is smaller than that of the outer pipe, and the inner diameter of the connecting pipe faces towards the male joint and is in a reducing shape.
The biopsy sampling adapter as described above, wherein the outer peripheral surface of the liquid inlet end of the inner tube is provided with an outwardly protruding collar, and the first end of the outer tube is in contact with the collar.
The biopsy sampling adapter of any preceding claim, wherein the thickness of the bulge is no greater than 1 cm.
The biopsy sampling adapter as described above, wherein the outer circumference of the first end of the outer tube is chamfered.
The biopsy sampling adapter as described above, wherein the outer peripheral surface of the outer tube is circumferentially provided with a plurality of anti-slip ribs arranged at intervals.
The biopsy sampling adapter as described above, wherein the outer diameter of the inner tube is expanded in a direction toward the female connector.
The biopsy sampling adapter described above, wherein the discharge end of the inner tube extends out of the outer tube.
The biopsy sampling adapter described above, wherein the liquid inlet end of the connecting tube is provided with an annular rib protruding outwards, and the external thread is arranged on the outer surface of the annular rib.
The biopsy sampling adapter as described above, wherein the connecting tube, the outer tube and the inner tube are integrally injection molded.
Compared with the prior art, the utility model has the advantages as follows:
the utility model discloses a biopsy sample adapter, simple structure, coaxial positioning needle passes through biopsy sample adapter and meets with disposable full-automatic biopsy needle (rifle) or disposable semi-automatic biopsy needle (rifle), can realize 1cm sample, has solved present disposable full-automatic biopsy needle (rifle) and partial semi-automatic biopsy needle (rifle) and can only realize 2cm sample, can't realize the problem of 1cm sample;
the utility model discloses a biopsy sample adapter is protruding through the ring for behind the biopsy sample adapter is connected to coaxial positioning needle, extend 1cm forward, thereby blocked 1cm with the sample groove of disposable full-automatic biopsy needle (rifle) or disposable semi-automatic biopsy needle (rifle), the unable human tissue that gets into in the 1cm sample groove that is blocked, thereby realized accurate 1cm sample.
Drawings
The drawings are only intended to illustrate and explain the present invention and do not limit the scope of the invention. Wherein:
fig. 1 is a schematic perspective view of a biopsy sampling adapter according to the present invention;
FIG. 2 is a cross-sectional structural schematic view of the biopsy sampling adapter shown in FIG. 1.
The reference numbers illustrate:
1. a male connector; 11. an inner tube; 111. the ring is convex; 12. an outer tube; 121. an internal thread; 122. chamfering; 123. anti-slip ribs; 13. connecting the annular space;
2. a female joint; 21. a connecting pipe; 211. an annular rib; 2111. and (4) external threads.
Detailed Description
In order to clearly understand the technical solution, purpose and effect of the present invention, the detailed embodiments of the present invention will be described with reference to the accompanying drawings.
As shown in fig. 1 and 2, the utility model provides a biopsy sampling adapter, it includes male joint 1 and female joint 2, wherein:
the male connector 1 comprises an inner tube 11 and an outer tube 12 sleeved outside the inner tube 11, the inner tube 11 is provided with a liquid inlet end and a liquid discharge end, a first end of the outer tube 12 is hermetically connected with the inner tube 11, a connecting annular space 13 is formed between the outer tube 12 and the inner tube 11, namely, the outer tube 12 and the inner tube 11 enclose an annular cavity with an open end, the open end is positioned at a second end of the outer tube 12, the inner surface of the outer tube 12 is provided with an internal thread 121, and the internal thread 121 can be connected with a female luer connector of a coaxial positioning needle;
the female joint 2 comprises a connecting pipe 21, the connecting pipe 21 is provided with a liquid inlet end and a liquid outlet end, the outer peripheral surface of the liquid inlet end of the connecting pipe 21 is provided with an external thread 2111, the external thread 2111 can be connected with a male luer connector of a disposable full-automatic or semi-automatic biopsy needle (gun), the liquid outlet end of the connecting pipe 21 is connected with the liquid inlet end of the inner pipe 11, the connecting pipe 21 is communicated with the inner pipe 11, namely, the male connector 1 and the female connector 2 are fixedly connected together and are internally communicated, the outer diameter of the connecting pipe 21 is smaller than that of the outer pipe 12, so that the outer tube 12 can play a limiting role in the disposable full-automatic or semi-automatic biopsy needle (gun), so as to avoid the contact between the disposable full-automatic or semi-automatic biopsy needle (gun) connected with the two ends of the biopsy sampling adapter and the coaxial positioning needle, the inner diameter of the connecting pipe 21 is reduced along the direction facing to the male connector 1, so that the sample can smoothly enter the sampling groove of the disposable full-automatic biopsy needle (gun) or the disposable semi-automatic biopsy needle (gun).
Specifically, when the biopsy adapter is used, the coaxial positioning needle is firstly punctured into soft tissues to be sampled, the needle core is withdrawn after the soft tissues reach a target position, and the female luer connector of the needle tube of the coaxial positioning needle is screwed into the connecting annular space 13 of the male connector 1 of the biopsy sampling adapter;
inserting the strung disposable full-automatic biopsy needle (gun) or the disposable semi-automatic biopsy needle (gun) into needle tubes of the biopsy sampling adapter and the coaxial positioning needle, and screwing the female joint 2 of the biopsy sampling adapter into the male luer joint of the disposable full-automatic biopsy needle (gun) or the disposable semi-automatic biopsy needle (gun), namely, the coaxial positioning needle and the disposable full-automatic biopsy needle (gun) or the disposable semi-automatic biopsy needle (gun) are connected with the biopsy sampling adapter in a threaded connection mode, the threaded connection can realize stable connection, the impact force of the disposable full-automatic biopsy needle (gun) or the disposable semi-automatic biopsy needle (gun) is borne, and the looseness is prevented;
and then, triggering the disposable full-automatic biopsy needle (gun) or the disposable semi-automatic biopsy needle (gun), and finally taking out a sample in a sampling groove of the disposable full-automatic biopsy needle (gun) or the disposable semi-automatic biopsy needle (gun), wherein the coaxial positioning needle extends forwards by about 1cm after being connected with the biopsy sampling adapter, so that the sampling groove of the disposable full-automatic biopsy needle (gun) or the disposable semi-automatic biopsy needle (gun) is blocked by about 1cm, and the blocked 1cm sampling groove cannot enter human tissues, thereby realizing 1cm sampling.
The utility model provides a biopsy sample adapter, simple structure, coaxial location needle meet through biopsy sample adapter and disposable full-automatic biopsy needle (rifle) or disposable semi-automatic biopsy needle (rifle), can realize 1cm sample, have solved current disposable full-automatic biopsy needle (rifle) and partial semi-automatic biopsy needle (rifle) and can only realize 2cm sample, can't realize the problem of 1cm sample.
Further, the connecting tube 21, the outer tube 12 and the inner tube 11 are integrally injection molded, that is, the male connector 1 and the female connector 2 are integrally formed as a plastic member, and specifically, the biopsy sampling adaptor is integrally formed by using general plastic materials such as ABS (Acrylonitrile butadiene Styrene copolymers), PP (polypropylene), PC (Polycarbonate) and the like.
In an embodiment of the present invention, in order to facilitate the connection between the outer tube 12 and the inner tube 11, as shown in fig. 2, an outwardly protruding annular protrusion 111 is disposed on the outer peripheral surface of the liquid inlet end of the inner tube 11, and the first end of the outer tube 12 is connected to the annular protrusion 111, that is, the inner surface of the outer tube 12, the annular protrusion 111 and the outer surface of the inner tube 11 enclose a connection annular space 13.
Further, the thickness of the annular protrusion 111 is not more than 1cm, namely the thickness of the annular protrusion 111 is equal to 1cm or slightly less than 1cm, preferably, the thickness of the annular protrusion 111 is 1cm, so that the coaxial positioning needle extends 1cm forward just after being connected with the biopsy sampling adapter, and a sampling groove of a disposable full-automatic biopsy needle (gun) or a disposable semi-automatic biopsy needle (gun) is blocked by just 1cm, and the blocked 1cm sampling groove cannot enter human tissues, so that accurate 1cm sampling is realized.
Further, in order to avoid the edges and corners from scratching the operator during the installation process, as shown in fig. 1, a chamfer 122 is provided on the outer peripheral surface of the first end of the outer tube 12 to ensure the safety of the biopsy sampler during use.
Further, as shown in fig. 1, a plurality of anti-slip ribs 123 are circumferentially provided on the outer circumferential surface of the outer tube 12, and when the biopsy sampling adapter is engaged with the coaxial positioning needle, the anti-slip ribs 123 increase friction force, so that the biopsy sampling adapter can be smoothly screwed with the coaxial positioning needle.
Further, as shown in fig. 1 and 2, the outer diameter of the inner tube 11 is expanded in a direction toward the female connector 2 so that the inner tube 11 can be smoothly inserted into the coaxial positioning pin and sealingly engaged with the coaxial positioning pin.
Furthermore, the liquid discharge end of the inner tube 11 extends out of the outer tube 12, so that the inner tube 11 can play a role in guiding when in use, and a worker can insert the inner tube 11 into the coaxial positioning needle accurately and timely.
Further, as shown in fig. 1 and 2, an annular rib 211 protruding outward is disposed at the liquid inlet end of the connection pipe 21, and the external thread 2111 is disposed on the outer surface of the annular rib 211, so that the external thread 2111 can be conveniently disposed, and the use strength of the connection pipe 21 can be ensured.
It should be noted that the dimensions of the male connector 1 and the female connector 2 are required to meet the relevant specifications of the "GB/T1962.2-2001 syringe, injection needle and other medical device 6% luer taper" standard.
In summary, the biopsy sampling adapter of the utility model has a simple structure, the coaxial positioning needle is connected with the disposable full-automatic biopsy needle (gun) or the disposable semi-automatic biopsy needle (gun) through the biopsy sampling adapter, and can realize 1cm sampling, thus solving the problems that the conventional disposable full-automatic biopsy needle (gun) and partial semi-automatic biopsy needle (gun) can only realize 2cm sampling and cannot realize 1cm sampling;
the utility model discloses a biopsy sample adapter is protruding through the ring for behind the biopsy sample adapter is connected to coaxial positioning needle, extend 1cm forward, thereby blocked 1cm with the sample groove of disposable full-automatic biopsy needle (rifle) or disposable semi-automatic biopsy needle (rifle), the unable human tissue that gets into in the 1cm sample groove that is blocked, thereby realized accurate 1cm sample.
The above description is only exemplary of the present invention, and is not intended to limit the scope of the present invention. Any person skilled in the art should also realize that such equivalent changes and modifications can be made without departing from the spirit and principles of the present invention. Moreover, it should be noted that the components of the present invention are not limited to the above-mentioned integral application, and various technical features described in the present invention can be selected to be used alone or in combination according to actual needs, so that the present invention naturally covers other combinations and specific applications related to the invention of the present invention.
Claims (9)
1. A biopsy sampling adapter, wherein the biopsy sampling adapter comprises:
the male connector comprises an inner pipe and an outer pipe sleeved outside the inner pipe, the first end of the outer pipe is connected with the inner pipe in a sealing mode, a connecting annular space is formed between the outer pipe and the inner pipe, and internal threads are arranged on the inner surface of the outer pipe;
the female joint comprises a connecting pipe, external threads are arranged on the outer peripheral face of the liquid inlet end of the connecting pipe, the liquid outlet end of the connecting pipe is connected with the liquid inlet end of the inner pipe, the connecting pipe is communicated with the inner pipe, the outer diameter of the connecting pipe is smaller than that of the outer pipe, and the inner diameter of the connecting pipe faces towards the male joint and is in a reducing shape.
2. The biopsy sampling adapter of claim 1,
the outer peripheral surface of the liquid inlet end of the inner pipe is provided with an outward convex ring, and the first end of the outer pipe is connected with the ring.
3. The biopsy sampling adapter of claim 2,
the thickness of the annular protrusion is not more than 1 cm.
4. The biopsy sampling adapter of claim 2,
and a chamfer is arranged on the peripheral surface of the first end of the outer pipe.
5. The biopsy sampling adapter of claim 1,
the outer peripheral surface of outer tube is provided with the anti-skidding bead that a plurality of intervals set up along circumference.
6. The biopsy sampling adapter of claim 1,
the outer diameter of the inner pipe is expanded in a direction toward the female joint.
7. The biopsy sampling adapter of claim 1,
the liquid discharge end of the inner pipe extends out of the outer pipe.
8. The biopsy sampling adapter of claim 1,
the liquid inlet end of the connecting pipe is provided with an annular convex edge protruding outwards, and the external thread is arranged on the outer surface of the annular convex edge.
9. The biopsy sampling adapter of any one of claims 1 to 8,
the connecting pipe, the outer pipe and the inner pipe are integrally formed by injection molding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921306270.XU CN210784443U (en) | 2019-08-13 | 2019-08-13 | Biopsy sampling adapter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921306270.XU CN210784443U (en) | 2019-08-13 | 2019-08-13 | Biopsy sampling adapter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210784443U true CN210784443U (en) | 2020-06-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921306270.XU Active CN210784443U (en) | 2019-08-13 | 2019-08-13 | Biopsy sampling adapter |
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| Country | Link |
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| CN (1) | CN210784443U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113017714A (en) * | 2021-03-15 | 2021-06-25 | 深圳市康达安生物科技有限公司 | Cervical brush and manufacturing process thereof |
-
2019
- 2019-08-13 CN CN201921306270.XU patent/CN210784443U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113017714A (en) * | 2021-03-15 | 2021-06-25 | 深圳市康达安生物科技有限公司 | Cervical brush and manufacturing process thereof |
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