CN115998346A - Liver living tissue puncture needle - Google Patents
Liver living tissue puncture needle Download PDFInfo
- Publication number
- CN115998346A CN115998346A CN202310104695.7A CN202310104695A CN115998346A CN 115998346 A CN115998346 A CN 115998346A CN 202310104695 A CN202310104695 A CN 202310104695A CN 115998346 A CN115998346 A CN 115998346A
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- Prior art keywords
- tube
- pipe
- connecting piece
- push
- needle
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- 210000004185 liver Anatomy 0.000 title abstract description 9
- 238000005520 cutting process Methods 0.000 claims description 22
- 230000005540 biological transmission Effects 0.000 claims description 16
- 238000001179 sorption measurement Methods 0.000 claims description 14
- 238000012317 liver biopsy Methods 0.000 claims description 9
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 claims description 6
- 229910052744 lithium Inorganic materials 0.000 claims description 6
- 238000010276 construction Methods 0.000 claims description 2
- 238000005070 sampling Methods 0.000 abstract description 26
- 230000000694 effects Effects 0.000 abstract description 7
- 230000007774 longterm Effects 0.000 abstract description 2
- 210000001519 tissue Anatomy 0.000 description 18
- 210000005228 liver tissue Anatomy 0.000 description 3
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 2
- 235000017491 Bambusa tulda Nutrition 0.000 description 2
- 241001330002 Bambuseae Species 0.000 description 2
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 2
- 206010052428 Wound Diseases 0.000 description 2
- 208000027418 Wounds and injury Diseases 0.000 description 2
- 239000011425 bamboo Substances 0.000 description 2
- 238000007689 inspection Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 206010019842 Hepatomegaly Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000008280 blood Substances 0.000 description 1
- 210000004369 blood Anatomy 0.000 description 1
- 230000002380 cytological effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 201000010099 disease Diseases 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000010562 histological examination Methods 0.000 description 1
- 210000000056 organ Anatomy 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 201000003144 pneumothorax Diseases 0.000 description 1
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Classifications
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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
Abstract
The invention discloses a liver living tissue puncture needle which comprises a limiting tube, wherein one side surface of the limiting tube comprises a connecting piece, one end of the connecting piece is provided with a jacking tube, the bottom end of the jacking tube is provided with a middle tube, the bottom end of the middle tube is provided with a bottom tube, the bottom tube and the middle tube are connected through a connecting ring, the middle tube and the jacking tube are connected through the connecting piece, and the connecting ring is of a detachable structure. According to the invention, by designing the sampling structure based on the trunk of a patient as the center, the effect of vertical sampling can be directly formed after the sampling structure is matched with the puncture needle, meanwhile, the quick sampling within one second can be always maintained by the up-down braking mode based on the electromagnetic push rod, and medical staff only need to carry out simple clinical debugging, and the sampling point is not required to be judged according to long-term medical experience.
Description
Technical Field
The invention relates to the technical field of medical puncture needles, in particular to a liver living tissue puncture needle.
Background
Liver biopsy aspiration is a simple means of taking liver tissue specimens. Histological examination or cytological examination of the tissue mass obtained by puncturing or making a smear is carried out to identify hepatomegaly and some blood system diseases caused by unknown reasons, a knife living puncture needle and an auxiliary holding piece matched with the knife living puncture needle are generally adopted, and the tissue mass is further divided into rapid puncturing, split cutting and other differences based on the puncturing technology so as to use different auxiliary tools.
In the current liver biopsy taking and examining, the most common is the rapid liver puncture operation, which is mainly based on that after a patient holds breath, the puncture needle sucks negative pressure and then rapidly punctures to form a puncture effect, however, the mode usually leads to the phenomena of incomplete cut tissue or too large wound surface caused by the adhesion of the cut sample, and the like, and the situations of clinical sampling failure, and the like, caused by sampling failure, occur when the cut sample is seriously cut; meanwhile, after the sampling position is positioned, the verticality of the sampling position needs to be judged according to the experience of doctors, particularly, the liver is positioned at the surrounding positions of a plurality of organs and ribs, if limb movement conditions of a patient occur, wounds are further increased, and pneumothorax and other phenomena can be caused under severe conditions.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provide a liver living tissue puncture needle.
In order to solve the technical problems, the invention provides the following technical scheme:
the invention relates to a liver living tissue puncture needle, which comprises a limiting tube, wherein one side surface of the limiting tube comprises a connecting piece, one end of the connecting piece is provided with a jacking tube, the bottom end of the jacking tube is provided with a middle tube, the bottom end of the middle tube is provided with a bottom tube, the bottom tube and the middle tube are connected through a connecting ring, the middle tube and the jacking tube are connected through the connecting piece, and the connecting ring is of a detachable structure;
the utility model discloses a push pipe, including spacing pipe, the inboard of spacing pipe includes pjncture needle, pjncture needle includes fixed head, needle tubing and syringe needle, the top surface both sides of push pipe are provided with and hold the board, and the inboard of push pipe is provided with the lifter, and the bottom side surface mounting of lifter has the driving medium, and the driving medium is barbell type column structure setting, transversely extends to spacing intraduct by the push pipe, and electromagnetic push rod is installed to the bottom of lifter, the inboard of connecting piece is provided with the slip track, is located spacing intraduct the driving medium contains by the holder, and the bottom side of holder is provided with the elastic pad.
As an optimized technical scheme of the invention, the transmission part is positioned at the inner side of the limit pipe part and comprises threads, the bottom end of the threads is provided with a fixing part, the clamping part is in threaded connection with the threads, the inner side of the clamping part is provided with a slot, the slot is correspondingly arranged with the fixing head, the fixing part is of a cylindrical structure, a fixing cylinder is arranged at the middle part of the bottom end of the fixing part, the top end and the inner side of the fixing part are of a semi-open structure, the top end of the elastic pad is in threaded connection with the transmission part, the middle part of the top end of the elastic pad is provided with an elliptical opening, and the elliptical opening is correspondingly arranged up and down for the fixing cylinder.
As a preferable technical scheme of the invention, the needle head comprises a cutting part, the tip end of the cutting part is obliquely arranged, a groove structure is arranged at the inclined surface, the inner side of the cutting part comprises a storage space, a curved elastic block is arranged at the top end of the storage space, the whole curved elastic block is positioned at the inner side of the storage space, and the outer surface of the curved elastic block is curved from inside to outside until the curved elastic block is close to the groove structure.
As a preferable technical scheme of the invention, the bottom end of the bottom tube is provided with the adsorption disc, the bottom tube is fixedly connected with the adsorption disc, the adsorption disc is an electric sucking disc and comprises an air pump and a lithium battery, the air pump is positioned in the bottom tube, and the switch is positioned on the surface of the bottom tube.
As a preferable technical scheme of the invention, the inside of the jacking pipe is fixedly connected with the electromagnetic push rod, the electromagnetic push rod is fixedly connected with the lifting rod, the lifting rod is fixedly connected with the transmission piece, the electromagnetic push rod further comprises a lithium battery and a switch, the switch is positioned on the surface of the jacking pipe, and the middle pipe is respectively connected with the jacking pipe and the bottom pipe through connecting rings.
As a preferable technical scheme of the invention, the middle layer pipe is a sliding telescopic pipe, and scale marks are arranged on the surface of the middle layer pipe and used for adjusting telescopic lengths of different distances.
As a preferable technical scheme of the invention, the limiting pipe and the jacking pipe are fixedly connected through the connecting piece, the connecting piece is detachably connected with the limiting pipe and the jacking pipe respectively, the connecting piece is symmetrically installed in front and back, and sliding rails are arranged at the front and back inner walls and used for clamping and fixing the middle part of the transmission piece.
Compared with the prior art, the invention has the following beneficial effects:
1: according to the invention, by designing the sampling structure based on the trunk of a patient as the center, the effect of vertical sampling can be directly formed after the sampling structure is matched with the puncture needle, meanwhile, the quick sampling within one second can be always maintained by the up-down braking mode based on the electromagnetic push rod, and medical staff only need to carry out simple clinical debugging, and the sampling point is not required to be judged according to long-term medical experience.
2: the needle head structure provided by the invention can form curve spiral sampling of liver tissues, the sampling range is wider, the sampling range is not in a strip-shaped structure, and the connection part of the cutting tissues at the sampling position is subjected to a plurality of openings on the surface formed by the groove structure so as to form checking and inspection aiming at tissues at different depths, and repeated cutting during later inspection is not needed.
Drawings
The accompanying drawings are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate the invention and together with the embodiments of the invention, serve to explain the invention. In the drawings:
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of the needle structure of the present invention;
FIG. 3 is a cross-sectional view of a spacing tube structure of the present invention;
FIG. 4 is a fragmentary view of the transmission construction of the present invention;
FIG. 5 is a schematic view of a curved spring block according to the present invention;
in the figure: 1. a limiting tube; 2. a connecting piece; 201. a sliding rail; 3. jacking pipes; 301. a grip plate; 302. a lifting rod; 303. an electromagnetic push rod; 4. a middle layer tube; 5. a bottom tube; 501. an adsorption plate; 6. a connecting ring; 7. a fixed head; 701. a needle tube; 8. a needle; 801. a cutting portion; 802. a groove structure; 803. curved surface spring blocks; 9. a transmission member; 901. a clamping member; 902. an elastic pad; 903. a fixing member; 904. and fixing the cylinder.
Detailed Description
The preferred embodiments of the present invention will be described below with reference to the accompanying drawings, it being understood that the preferred embodiments described herein are for illustration and explanation of the present invention only, and are not intended to limit the present invention.
Example 1
As shown in fig. 1-4, the invention provides a liver living tissue puncture needle, which comprises a limiting tube 1, wherein one side surface of the limiting tube 1 comprises a connecting piece 2, one end of the connecting piece 2 is provided with a jacking tube 3, the bottom end of the jacking tube 3 is provided with a middle layer tube 4, the bottom end of the middle layer tube 4 is provided with a bottom tube 5, the bottom tube 5 and the middle layer tube 4 are connected through a connecting ring 6, the middle layer tube 4 and the jacking tube 3 are connected through the connecting piece 2, and the connecting ring 6 is of a detachable structure;
the inboard of spacing pipe 1 includes the pjncture needle, the pjncture needle includes fixed head 7, needle tubing 701 and syringe needle 8, the top surface both sides of push pipe 3 are provided with and hold board 301, the inboard of push pipe 3 is provided with lifter 302, the bottom side surface mounting of lifter 302 has driving medium 9, driving medium 9 is barbell type structural arrangement, transversely extend to inside spacing pipe 1 by the inside of push pipe 3, electromagnetic push rod 303 is installed to the bottom of lifter 302, the inboard of connecting piece 2 is provided with slide rail 201, be located spacing intraductal driving medium 9 of 1 and contain by holder 901, the bottom side of holder 901 is provided with elastic pad 902.
Further, the transmission piece 9 is located the inboard screw thread that includes of spacing pipe 1 part, the bottom of screw thread is provided with mounting 903, be threaded connection between clamping piece 901 and the screw thread, the clamping piece 901 inboard is provided with the fluting, the fluting sets up for corresponding with fixed head 7, mounting 903 is cylinder column structure, mounting 903 bottom mid-mounting has a fixed section of thick bamboo 904, mounting 903 top and inboard are half open structure setting, elastic pad 902 top and transmission piece 9 are threaded connection, and elastic pad 902 top middle part is provided with oval opening, oval opening is fixed section of thick bamboo 904 and corresponds the setting from top to bottom.
The needle 8 comprises a cutting part 801, the tip of the cutting part 801 is obliquely arranged, a groove structure 802 is arranged at the inclined surface, the inner side of the cutting part 801 comprises a storage space, a curved surface bullet 803 is arranged at the top end of the storage space, the curved surface bullet 803 is integrally arranged at the inner side of the storage space, and the outer surface of the curved surface bullet 803 is bent from inside to outside until the curved surface bullet is close to the groove structure 802.
The bottom of bottom pipe 5 is installed and is adsorbed dish 501, and bottom pipe 5 and adsorption dish 501 are fixed connection, and adsorption dish 501 is electric sucking disc, includes air pump and lithium cell, and the air pump is located bottom pipe 5 inside, and the switch is located bottom pipe 5 surface.
The inside of the jacking pipe 3 is fixedly connected with the electromagnetic push rod 303, the electromagnetic push rod 303 is fixedly connected with the lifting rod 302, the lifting rod 302 is fixedly connected with the transmission piece 9, the electromagnetic push rod 303 further comprises a lithium battery and a switch, the switch is positioned on the surface of the jacking pipe 3, and the middle layer pipe 4 is respectively connected with the jacking pipe 3 and the bottom pipe 5 through the connecting ring 6.
The middle layer pipe 4 is a sliding telescopic pipe, and scale marks are arranged on the surface of the middle layer pipe and used for adjusting the telescopic lengths of different distances.
The limiting pipe 1 and the jacking pipe 3 are fixedly connected through the connecting piece 2, the connecting piece 2 is detachably connected with the limiting pipe 1 and the jacking pipe 3 respectively, the connecting piece 2 is installed in a front-back symmetrical mode, and sliding rails 201 are arranged on the front-back inner wall of the connecting piece and used for clamping and fixing the middle of the transmission piece 9.
Specifically, the whole structure is composed of a limiting pipe 1, a connecting piece 2, a jacking pipe 3, a middle pipe 4 and a bottom pipe 5, wherein a main supporting part is positioned at an adsorption disc 501 of the bottom pipe 5, and can directly form adsorption with larger pressure on wetted sterile gauze or on the surface of the skin of a patient due to air pump adsorption, and form fixation;
the push pipe 3 and the limiting pipe 1 are fixed through the connecting piece 2, the puncture needle is positioned in the limiting pipe 1, after a user only starts a switch of the push pipe 3, the electromagnetic push rod 303 drives the lifting rod 302 to move downwards, the inner puncture needle synchronously acts through the transmission piece 9 to form a puncture effect on a puncture incision, then the electromagnetic push rod 303 is reset instantly, a small amount of sampling tissue is cut and taken out at the needle 8, one side is fixed, the suction cup is used for fixing, dislocation caused by twisting of a trunk by a patient can be avoided, and when the length of the push pipe 3, the middle pipe 4 and the bottom pipe 5 is overlong, the surface is only held by a hand.
The fixing mode of the puncture needle mainly enables the fixing part 903, which is positioned at the fixing head 7 and is positioned at the inner side of the clamping part 901 and the transmission part 9, to form an upper edge and a lower edge clamping effect, and the fixing part is embedded and correspondingly fixed at the opening at the inner side of the clamping part 901 and the protruding part of the fixing head 7; the bottom is further fixed by the elastic pad 902, that is, after the bottom is disassembled by the threads at the bottom of the limiting tube 1, the limiting tube 1 is in a tubular structure with an up-down permeability, the elastic pad 902 at the inner side of the bottom is exposed, the clamping force at the bottom of the fixed cylinder 904 is concentrated to the center after the elastic pad 902 rotates downwards by the threads until the needle tube 701 is fixed to form an up-down fixing effect, and the bottom of the limiting tube 1 is restored again.
When the needle 8 is placed in the center and is provided with a negative pressure, a cutting part 801 is arranged at the side face, a negative pressure pipeline is connected with the cutting part 801, after the needle 8 enters liver tissue, a tissue block based on the internal negative pressure adsorption side face enters, the corresponding tissue is directly cut by the side face cutting part 801 according to the tip end of the needle, the tissue in the clamping and cutting part is finally enabled to be clamped to a groove structure 802 based on the fact that the wider part of the curved elastic block 803 is spirally slid, the cut tissue is enabled to be in a curve spiral shape, a possible tissue joint is cut by a multi-layer structure based on the groove structure 802 from the joint, a complete cutting operation is finally formed, and sampling failure caused by direct negative pressure adsorption and complete cutting of a strip-shaped structure cannot be conducted at the cutting edge are avoided.
The invention has simple integral structure, the formed opening and cutting structure meet the required sampling tissue, the opening and cutting structure can be directly positioned in the needle tube 701 for storing the tissue, meanwhile, the adopted electromagnetic push rod 303 assists in telescopic sampling, the sampling can be based on a patient as a center after the limit tube 1 is matched, the sampling is rapid, the sampling can be maintained within one second for a long time, and the clamping effect on the upper end and the lower end formed by the needle tube 701 can be more reliable compared with the existing rapid sampling.
Finally, it should be noted that: the foregoing description is only a preferred embodiment of the present invention, and the present invention is not limited thereto, but it is to be understood that modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art, although the present invention has been described in detail with reference to the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (7)
1. The utility model provides a liver biopsy needle, includes spacing pipe (1), its characterized in that, one side surface of spacing pipe (1) contains connecting piece (2), and push pipe (3) are installed to one end of connecting piece (2), and push pipe (3) bottom is provided with middle layer pipe (4), and bottom pipe (5) are installed to the bottom of middle layer pipe (4), are connected through go-between (6) between bottom pipe (5) and middle layer pipe (4), are connected through connecting piece (2) between middle layer pipe (4) and push pipe (3), and go-between (6) are detachable construction;
the utility model discloses a limit pipe, including spacing pipe (1), the inboard of spacing pipe (1) includes pjncture needle, pjncture needle includes fixed head (7), needle tubing (701) and syringe needle (8), top surface both sides of push pipe (3) are provided with and hold board (301), the inboard of push pipe (3) is provided with lifter (302), bottom side surface mounting of lifter (302) has driving medium (9), driving medium (9) are barbell type structural setting, transversely extend to spacing pipe (1) inside by push pipe (3), electromagnetic push rod (303) are installed to the bottom of lifter (302), the inboard of connecting piece (2) is provided with slip track (201), be located spacing pipe (1) inside driving medium (9) contain by clamping part (901), the bottom side of clamping part (901) is provided with elastic pad (902).
2. The liver biopsy puncture needle according to claim 1, wherein the transmission member (9) is located inside the limiting tube (1), the bottom end of the thread is provided with a fixing member (903), the clamping member (901) is in threaded connection with the thread, the inside of the clamping member (901) is provided with a slot, the slot and the fixing head (7) are correspondingly arranged, the fixing member (903) is of a cylindrical structure, a fixing cylinder (904) is installed in the middle of the bottom end of the fixing member (903), the top end and the inside of the fixing member (903) are of a semi-open structure, the top end of the elastic pad (902) is in threaded connection with the transmission member (9), an elliptical opening is formed in the middle of the top end of the elastic pad (902), and the elliptical opening is formed in the upper and lower corresponding mode of the fixing cylinder (904).
3. The liver biopsy needle according to claim 1, wherein the needle (8) comprises a cutting part (801), a tip of the cutting part (801) is arranged in an inclined manner, a groove structure (802) is arranged at the inclined surface, a storage space is arranged inside the cutting part (801), a curved elastic block (803) is arranged at the top end of the storage space, the curved elastic block (803) is integrally arranged inside the storage space, and an outer surface of the curved elastic block (803) is curved from inside to outside until the curved elastic block is close to the groove structure (802).
4. The liver biopsy puncture needle according to claim 1, wherein the bottom end of the bottom tube (5) is provided with an adsorption disc (501), the bottom tube (5) is fixedly connected with the adsorption disc (501), the adsorption disc (501) is an electric sucking disc and comprises an air pump and a lithium battery, the air pump is positioned in the bottom tube (5), and the switch is positioned on the surface of the bottom tube (5).
5. The liver biopsy puncture needle according to claim 1, wherein the inner part of the push tube (3) is fixedly connected with the electromagnetic push rod (303), the electromagnetic push rod (303) is fixedly connected with the lifting rod (302), the lifting rod (302) is fixedly connected with the transmission piece (9), the electromagnetic push rod (303) further comprises a lithium battery and a switch, the switch is positioned on the surface of the push tube (3), and the middle tube (4) is respectively connected with the push tube (3) and the bottom tube (5) through a connecting ring (6).
6. The liver biopsy needle according to claim 5, wherein the middle tube (4) is a sliding telescopic tube, and graduation marks are arranged on the surface for adjusting the telescopic length of different distances.
7. The liver biopsy puncture needle according to claim 1, wherein the limiting tube (1) and the top tube (3) are fixedly connected through a connecting piece (2), the connecting piece (2) is detachably connected with the limiting tube (1) and the top tube (3) respectively, the connecting piece (2) is installed in a front-back symmetrical mode, and sliding rails (201) are arranged at the front inner wall and the back inner wall and used for clamping and fixing the middle of the transmission piece (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310104695.7A CN115998346A (en) | 2023-02-13 | 2023-02-13 | Liver living tissue puncture needle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310104695.7A CN115998346A (en) | 2023-02-13 | 2023-02-13 | Liver living tissue puncture needle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115998346A true CN115998346A (en) | 2023-04-25 |
Family
ID=86030020
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310104695.7A Withdrawn CN115998346A (en) | 2023-02-13 | 2023-02-13 | Liver living tissue puncture needle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115998346A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117064513A (en) * | 2023-08-31 | 2023-11-17 | 李蓓蓓 | Clinical measuring sampling device of using of department of neurology |
-
2023
- 2023-02-13 CN CN202310104695.7A patent/CN115998346A/en not_active Withdrawn
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117064513A (en) * | 2023-08-31 | 2023-11-17 | 李蓓蓓 | Clinical measuring sampling device of using of department of neurology |
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|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
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| WW01 | Invention patent application withdrawn after publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20230425 |