CN215688077U - Improved detection puncture needle - Google Patents
Improved detection puncture needle Download PDFInfo
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- CN215688077U CN215688077U CN202122041248.0U CN202122041248U CN215688077U CN 215688077 U CN215688077 U CN 215688077U CN 202122041248 U CN202122041248 U CN 202122041248U CN 215688077 U CN215688077 U CN 215688077U
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Abstract
The utility model discloses an improved detection puncture needle, which comprises a puncture sleeve, a puncture core tube, a first seat body, a second seat body and a detection seat, wherein one end of the puncture sleeve is fixedly connected with the first seat body; the second seat body is detachably connected to one end of the puncture core tube, the puncture core tube is arranged in the detection cavity and the puncture sleeve in a penetrating mode and can slide in the detection cavity and the puncture sleeve, and a sealing ring is arranged between the detection seat and the outer wall of the puncture core tube; the puncture core pipe is provided with the sample connection, and the sample connection can be along with the slip of puncture core pipe and remove to detecting the intracavity, is provided with test paper or detect reagent in the detecting cavity, detects the observation portion that the seat has transparent material to make. Compared with the prior art, the utility model can realize rapid detection, is convenient and rapid to operate, reduces the risk of pollution in the transfer process of the tissue eluent and improves the detection accuracy.
Description
Technical Field
The utility model relates to the field of medical detection instruments, in particular to an improved detection puncture needle.
Background
Malignant tumors are diseases that seriously harm human health and life, and in recent years, the incidence rate gradually increases, and the onset age gradually decreases. Therefore, the early diagnosis of the tumor is of great significance. Accurate diagnosis requires a combination of clinical, imaging and pathology, which plays a key role in the selection of treatment regimens, and needle biopsy is the primary approach to obtaining tissue samples.
After a traditional puncture needle for puncture biopsy is used for puncturing and taking out a biopsy sample, a tissue eluent on the puncture needle can be transferred to a detection test paper box or a kit for detection, the operation process is troublesome, and the accuracy of a detection result is easily influenced by pollution in the sample transfer process.
In view of the above, the present inventors have made extensive studies on the above-mentioned drawbacks of the prior art, and have made this invention.
SUMMERY OF THE UTILITY MODEL
The utility model mainly aims to provide an improved detection puncture needle which has the characteristics of convenience in operation and high detection speed.
In order to achieve the above purpose, the solution of the utility model is:
an improved detection puncture needle comprises a puncture sleeve, a puncture core tube, a first seat body, a second seat body and a detection seat, wherein one end of the puncture sleeve is fixedly connected with the first seat body; the second seat body is detachably connected to one end of the puncture core tube, the puncture core tube penetrates through the detection cavity and the puncture sleeve and can slide in the detection cavity and the puncture sleeve, and a sealing ring is arranged between the detection seat and the outer wall of the puncture core tube; the puncture core pipe is provided with a sampling opening, the sampling opening can move into the detection cavity along with the sliding of the puncture core pipe, the detection cavity is internally provided with detection test paper or detection reagent, and the detection seat is provided with an observation part made of transparent materials.
Further, a first external thread is formed on the first seat body, a first internal thread is formed on the detection seat, and the detection seat is in threaded connection with the first seat body through the first external thread and the first internal thread.
Further, a second external thread is formed at the tail of the puncture core tube, a second internal thread is formed in the second seat body, and the tail of the puncture core tube is in threaded connection with the second seat body.
Further, the major diameter of the second external thread is smaller than the outer diameter of the puncture core pipe.
Furthermore, the second seat body is made of plastic materials.
Further, a reagent injection port is formed in the outer wall of the detection seat, and a sealing plug is detachably arranged on the reagent injection port.
Furthermore, the sealing ring is connected with the inner wall of the detection seat in a sealing and bonding mode, a first sealing portion and a second sealing portion are arranged on one side, facing the puncture core tube, of the sealing ring, and a V-shaped groove is formed between the first sealing portion and the second sealing portion.
Further, the detection seat with the detection test paper is arranged in an independent packaging bag.
Furthermore, the whole detection seat is integrally formed by adopting a transparent material.
Furthermore, at least two pieces of test paper are arranged in the detection cavity of the detection seat.
After the structure is adopted, the improved detection puncture needle provided by the utility model at least has the following beneficial effects:
the detection seat is detachably connected to the first seat body, a detection reagent or detection test paper is arranged in the detection seat, and a sampling opening of a puncture core tube after puncture sampling returns to a detection cavity along with a puncture needle. The sampled tissue or tissue fluid is contacted with a detection reagent or detection test paper, and the detection result can be obtained by observing the change of the detection test paper or the detection reagent.
The puncture sleeve, the puncture core pipe, the first seat body and the second seat body are manufactured in a unified specification, and are assembled and matched with the detection seat before use, so that the puncture sleeve, the puncture core pipe, the first seat body and the second seat body have better flexibility in use.
And a sealing ring is arranged between the detection seat and the outer wall of the puncture core pipe, so that the puncture core pipe can slide while the sealing property of the detection cavity for accommodating a detection reagent is ensured.
And fourthly, through the arrangement of the reagent injection port, a liquid detection reagent can be injected after the puncture sleeve and the puncture core tube penetrate out, and the tissue or tissue fluid is contacted with the detection reagent for detection.
Compared with the prior art, the utility model adopts the replaceable detection seat, so that the detection seat with different detection reagents or detection test paper can be conveniently replaced according to different detection targets, when in use, the puncture core pipe only needs to slide backwards, and the tissue or tissue liquid brought out from the sampling port is contacted with the detection test paper, thereby realizing rapid detection, being convenient and rapid to operate, reducing the pollution risk in the tissue transfer process and improving the detection accuracy.
Drawings
Fig. 1 is a schematic view of the overall structure of an improved detection puncture needle according to the present invention.
Fig. 2 is a schematic diagram of the present invention in a partially enlarged structure.
Fig. 3 is an exploded view of the puncture core tube and the second seat.
Fig. 4 is an exploded view of the detection seat and the first seat.
Fig. 5 is an enlarged schematic view of a portion a in fig. 4.
Fig. 6 is a schematic structural diagram of the use state of the present invention.
In the figure:
a puncture cannula 1; a first seat body 2; a puncture core tube 3; a sampling port 31; a second seat body 4; a detection seat 5; a detection chamber 51; a reagent injection port 52; a sealing plug 53; a seal ring 54; a first sealing portion 541; the second seal portion 542; a V-shaped groove 543; a test paper 55;
a first external thread 61; a first internal thread 62; a second external thread 71; a second internal thread 72.
Detailed Description
In order to further explain the technical solution of the present invention, the present invention is explained in detail by the following specific examples.
As shown in fig. 1 to 6, the improved detection puncture needle according to the present invention includes a puncture cannula 1, a puncture core tube 3, a first seat body 2, a second seat body 4 and a detection seat 5, wherein one end of the puncture cannula 1 is fixedly connected to the first seat body 2, the detection seat 5 is detachably and fixedly connected to the first seat body 2, and a detection cavity 51 communicated with an inner cavity of the puncture cannula 1 is formed in the detection seat 5; the second seat body 4 is detachably connected to one end of the puncture core tube 3, the puncture core tube 3 penetrates through the detection cavity 51 and the puncture sleeve 1 and can slide in the detection cavity 51 and the puncture sleeve 1, and a sealing ring 54 is arranged between the detection seat 5 and the outer wall of the puncture core tube 3; the puncture core tube 3 is provided with a sampling port 31, the sampling port 31 can move into the detection cavity 51 along with the sliding of the puncture core tube 3, the detection cavity 51 is internally provided with a detection test paper 55 or a detection reagent, and the detection seat 5 is provided with an observation part made of transparent material.
In this way, according to the improved detection puncture needle of the present invention, the detection seat 5 detachably connected to the first seat body 2 is provided, the detection reagent or the detection test paper 55 is provided in the detection seat 5, and the sampling port 31 of the puncture core tube 3 after the puncture is withdrawn into the detection cavity 51 along with the puncture needle. The sampled tissue or interstitial fluid is contacted with a detection reagent or test strip 55, and the detection result can be obtained by observing the change of the test strip 55 or the detection reagent.
The detection seat 5 is replaceable, the detection seat 5 with different detection test paper 55 can be selected according to different detection types, and is convenient to replace, so that the puncture sleeve 1, the puncture core tube 3, the first seat body 2 and the second seat body 4 are manufactured in a unified specification, and are assembled and matched with the detection seat 5 before use, and the puncture sleeve has better flexibility in use. A sealing ring 54 is arranged between the detection seat 5 and the outer wall of the puncture core tube 3, so that the puncture core tube 3 can slide while the sealing performance of containing detection reagents in the detection cavity 51 is ensured.
Preferably, a first external thread 61 is formed on the first seat body 2, a first internal thread 62 is formed on the detection seat 5, and the detection seat 5 and the first seat body 2 are in threaded connection through the first external thread 61 and the first internal thread 62. The detection seat 5 can be conveniently connected and fixed with the first seat body 2 by adopting a threaded connection mode.
Preferably, a second external thread 71 is formed at the tail of the puncture core tube 3, a second internal thread 72 is formed in the second seat body 4, and the tail of the puncture core tube 3 is in threaded connection with the second seat body 4. Further, the major diameter of the second external thread 71 is smaller than the outer diameter of the puncture core tube 3. Therefore, the detection seat 5 can be sleeved on the puncture core tube 3 from the tail part of the puncture core tube 3, and then the second seat body 4 is in threaded connection with the puncture core tube 3, so that the pollution risk to the head part of the puncture core tube 3 is reduced. Preferably, the second seat 4 is made of a plastic material. Furthermore, a limiting rope (not shown in the figure) is arranged between the second seat body 4 and the detection seat 5, and when the sampling port 31 is located in the detection cavity 51, the limiting rope is in a stretched state. The limiting rope is detachably connected with the second seat body 4 or the detection seat 5.
Preferably, a reagent injection port 52 is formed on the outer wall of the detection seat 5, and a sealing plug 53 is detachably arranged on the reagent injection port 52. By providing the reagent injection port 52, a liquid detection reagent can be injected after the puncture cannula 1 and the puncture core tube 3 penetrate out, and a tissue or tissue fluid is contacted with the detection reagent for detection.
Preferably, as shown in fig. 5, the sealing ring 54 is bonded to the inner wall of the detection seat 5, a first sealing portion 541 and a second sealing portion 542 are provided on the side of the sealing ring 54 facing the puncture core tube 3, and a V-shaped groove 543 is provided between the first sealing portion 541 and the second sealing portion 542. In this way, the first sealing portion 541 and the second sealing portion 542 achieve double sealing, and the sealing effect of the seal ring 54 is improved.
Preferably, the test seat 5 with the test strip 55 is provided in a separate package. Before use, the detection seat 5 is taken out from an independent packaging bag, and a plurality of detection seats 5 for detecting different tumors are reserved in the puncture chamber and are selected according to requirements.
Preferably, the whole detection seat 5 is integrally formed by transparent materials. The detection seat 5 may be provided with a strip-shaped observation portion, or may be integrally formed of a transparent plastic material, and the whole detection seat serves as an observation portion, so that the detection reagent or the detection test paper 55 can be observed in all directions.
Preferably, at least two test paper strips 55 are disposed in the detection cavity 51 of the detection seat 5. By providing a plurality of test strips 55, the contact area with the tissue or interstitial fluid taken out is increased, and the detection accuracy is improved.
Compared with the prior art, the utility model adopts the replaceable detection seat 5, the detection seat 5 with different detection reagents or detection test paper 55 is convenient to replace according to different detection targets, when in use, the puncture core tube 3 only needs to slide backwards, and the tissue or tissue fluid brought out by the sampling port 31 is contacted with the detection test paper 55, thereby realizing rapid detection, being convenient and rapid to operate, reducing the pollution risk in the tissue eluent transfer process and improving the detection accuracy.
The above embodiments and drawings are not intended to limit the form and style of the present invention, and any suitable changes or modifications thereof by those skilled in the art should be considered as not departing from the scope of the present invention.
Claims (10)
1. An improved detection puncture needle is characterized by comprising a puncture sleeve, a puncture core tube, a first seat body, a second seat body and a detection seat, wherein one end of the puncture sleeve is fixedly connected with the first seat body; the second seat body is detachably connected to one end of the puncture core tube, the puncture core tube penetrates through the detection cavity and the puncture sleeve and can slide in the detection cavity and the puncture sleeve, and a sealing ring is arranged between the detection seat and the outer wall of the puncture core tube; the puncture core pipe is provided with a sampling opening, the sampling opening can move into the detection cavity along with the sliding of the puncture core pipe, the detection cavity is internally provided with detection test paper or detection reagent, and the detection seat is provided with an observation part made of transparent materials.
2. An improved lancet according to claim 1, wherein the first body has a first external thread formed thereon, and the test holder has a first internal thread formed thereon, and the test holder is threadedly coupled to the first body via the first external thread and the first internal thread.
3. An improved type of test needle as defined in claim 1, wherein said tail portion of said puncture core tube is formed with a second external thread, said second seat body is formed with a second internal thread, and said tail portion of said puncture core tube is threadedly connected to said second seat body.
4. An improved test needle as in claim 3, wherein said second external thread has a major diameter less than an outer diameter of said core barrel.
5. An improved sensing lancet as in claim 1, wherein said second body is formed of a plastic material.
6. An improved lancet according to claim 1, wherein a reagent injection port is formed in an outer wall of the test seat, and a sealing plug is detachably disposed on the reagent injection port.
7. An improved test needle as in claim 6 wherein said sealing ring is sealingly bonded to said test base inner wall, said sealing ring having a first sealing portion and a second sealing portion on a side facing said core tube, said first sealing portion and said second sealing portion having a V-shaped groove therebetween.
8. An improved test needle as in claim 1 wherein the test seat with the test strip is disposed in a separate package.
9. An improved test needle as in claim 1, wherein said test base is integrally formed of a transparent material.
10. An improved lancet according to claim 1, wherein at least two test strips are disposed in the test chamber of the test base.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122041248.0U CN215688077U (en) | 2021-08-27 | 2021-08-27 | Improved detection puncture needle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122041248.0U CN215688077U (en) | 2021-08-27 | 2021-08-27 | Improved detection puncture needle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215688077U true CN215688077U (en) | 2022-02-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122041248.0U Active CN215688077U (en) | 2021-08-27 | 2021-08-27 | Improved detection puncture needle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215688077U (en) |
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2021
- 2021-08-27 CN CN202122041248.0U patent/CN215688077U/en active Active
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