CN216797705U - Human soft tissue sampling device - Google Patents
Human soft tissue sampling device Download PDFInfo
- Publication number
- CN216797705U CN216797705U CN202122347459.7U CN202122347459U CN216797705U CN 216797705 U CN216797705 U CN 216797705U CN 202122347459 U CN202122347459 U CN 202122347459U CN 216797705 U CN216797705 U CN 216797705U
- Authority
- CN
- China
- Prior art keywords
- unhooking
- groove
- sleeve
- strip
- tissue
- 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
- 238000005070 sampling Methods 0.000 title claims abstract description 17
- 210000004872 soft tissue Anatomy 0.000 title claims abstract description 17
- 210000001519 tissue Anatomy 0.000 claims abstract description 91
- 238000005520 cutting process Methods 0.000 claims abstract description 66
- 239000003292 glue Substances 0.000 claims abstract description 17
- 238000002347 injection Methods 0.000 claims abstract description 16
- 239000007924 injection Substances 0.000 claims abstract description 16
- 238000003825 pressing Methods 0.000 claims description 15
- 230000007704 transition Effects 0.000 claims description 14
- 230000000670 limiting effect Effects 0.000 claims description 5
- 230000014759 maintenance of location Effects 0.000 claims description 5
- 238000012800 visualization Methods 0.000 claims 1
- 238000000605 extraction Methods 0.000 abstract description 11
- 210000005228 liver tissue Anatomy 0.000 abstract description 9
- 238000000034 method Methods 0.000 abstract description 9
- 230000008569 process Effects 0.000 abstract description 9
- 238000004519 manufacturing process Methods 0.000 abstract description 8
- 238000001574 biopsy Methods 0.000 abstract description 6
- 238000007689 inspection Methods 0.000 abstract description 4
- 239000000284 extract Substances 0.000 abstract description 2
- 230000000694 effects Effects 0.000 description 8
- 238000010586 diagram Methods 0.000 description 6
- 210000004185 liver Anatomy 0.000 description 3
- 239000000243 solution Substances 0.000 description 3
- 230000000717 retained effect Effects 0.000 description 2
- 238000003860 storage Methods 0.000 description 2
- 206010028980 Neoplasm Diseases 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 239000012634 fragment Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000000338 in vitro Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000003902 lesion Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- KCTAWXVAICEBSD-UHFFFAOYSA-N prop-2-enoyloxy prop-2-eneperoxoate Chemical compound C=CC(=O)OOOC(=O)C=C KCTAWXVAICEBSD-UHFFFAOYSA-N 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
Images
Landscapes
- Measurement Of The Respiration, Hearing Ability, Form, And Blood Characteristics Of Living Organisms (AREA)
Abstract
The utility model discloses a human soft tissue sampling device, which comprises a puncture needle, a tissue cutting tube, an end cover and a sleeve, wherein the puncture needle is arranged in the tissue cutting tube; a sliding block and a unhooking device are arranged in the sleeve, wherein a rebound spring is arranged between the sliding block and the unhooking device; the end part of the unhooking device is provided with at least two unhooking strips, wherein the end parts of the unhooking strips are arranged in the glue injection groove at the end part of the unhooking device; and a round hole is formed in one side of the glue injection groove, wherein the end part of the tissue cutting tube penetrates through the round hole and is fixed in the glue injection groove. The utility model has the advantages of few structural assembly parts and simple assembly process, is convenient for actual production and use in operation, and improves the stability in the use process; the extraction needle is suitable for extracting liver tissues, the length of the extraction needle is accurate, and the puncture force is suitable; the device has a simple triggering structure and is suitable for actual production and operation in operation; the device is suitable for multiple use in one operation, extracts sufficient biopsy tissues and improves the accuracy of the inspection.
Description
Technical Field
The utility model relates to a device for sampling human soft tissues, in particular to a device for sampling human soft tissues.
Background
In diagnostic medicine, it is often necessary to extract tissue from a selected portion of a patient for medical evaluation. The extracted tissue is then analyzed to determine the patient's condition or location of the lesion. Biopsy is effective in diagnosing and treating various cancers to identify localized areas of damaged tissue.
In the prior art, the biopsy needle generally used is complicated in structure and may have a vacuum structure. The operation and assembly process has certain difficulty, and meanwhile, the vacuum structure is unstable, so that certain operation risk exists.
SUMMERY OF THE UTILITY MODEL
The utility model aims to overcome the defects of the prior art and provides a human body soft tissue sampling device.
In order to solve the technical problems, the utility model provides the following technical scheme:
the utility model relates to a human soft tissue sampling device, which comprises a puncture needle, a tissue cutting tube, an end cover and a sleeve, wherein,
the puncture needle is arranged in the tissue cutting tube;
a slide block and a unhooking device are arranged in the sleeve, wherein,
a rebound spring is arranged between the sliding block and the unhooking device;
at least two unhooking strips are arranged at the end part of the unhooking device, wherein,
the end part of the unhooking strip is arranged in the glue injection groove at the end part of the unhooking device;
one side of the glue injection groove is provided with a round hole, wherein,
the end part of the tissue cutting tube penetrates through the round hole and is fixed in the glue injection groove;
the side of the end part of the unhooking device is provided with a pressing strip, wherein,
and a pressing strip convex block is arranged on the side edge of the end part of the pressing strip.
As a preferable technical solution of the present invention, a trip strip fixing block is provided at an end of the trip strip, wherein,
the unhooking strip fixing block is matched with the moving groove on the sliding block and moves in the moving groove;
the sliding block is fixed with the puncture needle, wherein,
the side of the sliding block is provided with an elastic sheet and a sliding block limiting strip;
the end part of the elastic sheet is provided with a locking block.
In a preferred embodiment of the present invention, the sleeve is provided with a locking hole at an edge thereof, wherein,
the locking hole is matched with the locking block.
As a preferred technical scheme of the utility model, a plurality of developing rings are arranged on the tissue cutting tube;
the puncture needle and the cutting edge of the tissue cutting tube are symmetrically arranged, wherein,
a tissue retaining groove is formed in the puncture needle;
the tissue retention groove comprises one of a straight groove or a V-shaped groove.
As a preferable technical solution of the present invention, a transition groove communicated with the side of the moving groove is provided at the side of the moving groove, wherein,
a transition groove clamping block is arranged between the movable groove and the transition groove.
As a preferred technical solution of the present invention, the end of the sleeve is provided with a sleeve thread connected with the end cap;
the middle part of the sleeve is provided with a grab handle;
the other end of the sleeve is provided with a unhooking strip groove matched with the unhooking strip.
The utility model also provides another human soft tissue sampling device, which comprises a puncture needle, a tissue cutting tube, an end cover and a sleeve, wherein,
the puncture needle is arranged in the tissue cutting tube;
a second slide block and a unhooking device are arranged in the sleeve, wherein,
the end part of the unhooking device is connected with a second unhooking strip;
an outward protruding block is installed at the end of the second unhooking strip, wherein,
the second unhooking strip is arranged in the second sliding block;
the second sliding block is sleeved in the second rebound spring, wherein,
the second resilience spring install in inside the sleeve, the avris of second slider install the spring catch with second resilience spring looks butt.
As a preferable aspect of the present invention, a snap ring is installed at an outer side of the second slider, wherein,
a tension spring is arranged between the snap ring and the sleeve;
a button is arranged at one end part of the snap ring at the other side opposite to the tension spring;
a clamping groove is formed in the inner side of the sleeve.
As a preferable technical proposal of the utility model, the puncture needle and the cutting edge of the tissue cutting tube are symmetrically arranged, wherein,
the puncture needle is provided with a tissue retention groove.
The utility model has the following beneficial effects: the utility model has the advantages of few structural assembly parts and simple assembly process, is convenient for actual production and use in operation, and improves the stability in the use process; the extraction needle is suitable for extracting liver tissues, the length of the extraction needle is accurate, and the puncture force is suitable; the device has a simple triggering structure and is suitable for actual production and operation in operation; the device is suitable for multiple use in one operation, extracts sufficient biopsy tissues and improves the accuracy of the inspection.
Drawings
The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the principles of the utility model and not to limit the utility model. In the drawings:
FIG. 1 is one of the schematic structural diagrams of the present invention;
FIG. 2 is a second schematic structural diagram of the present invention;
FIG. 3 is a third schematic view of the present invention;
FIG. 4 is a fourth schematic structural view of the present invention;
FIG. 5 is a fifth structural schematic diagram of the present invention;
FIG. 6 is a sixth schematic view of the present invention;
FIG. 7 is a seventh schematic structural view of the present invention;
FIG. 8 is an eighth schematic structural view of the present invention;
FIG. 9 is a ninth schematic structural diagram of the present invention;
FIG. 10 is a tenth of the schematic structural diagram of the present invention;
FIG. 11 is one of the schematic diagrams of the present invention;
FIG. 12 is a second schematic of the present invention;
FIG. 13 is a third schematic of the present invention;
FIG. 14 is an eleventh schematic structural view of the present invention;
in the figure: 1. puncturing needle; 2. organizing a cutting tube; 21. a developing ring; 3. an end cap; 4. a sleeve; 41. a locking hole; 42. sleeve threads; 43. a handle; 44. unhooking strip grooves; 5. a unhooking device; 51. injecting glue groove; 52. a circular hole; 53. unhooking the strips; 531. A unhooking strip fixing block; 54. pressing the pressing strip; 541. pressing the bar bump; 6. a slider; 61. a moving groove; 611. a transition groove; 612. A transition groove fixture block; 62. a spring plate; 621. a locking block; 63. a slider limit bar; 7. a rebound spring; 100. a second slider; 200. a button; 300. a second rebound spring; 400. a second unhooking strip; 500. a snap ring; 600. a tension spring; 700. a spring catch; 800. screens groove.
Detailed Description
The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are described herein for the purpose of illustration and explanation and not limitation.
Example 1
As shown in fig. 1-8, 11-13 and 14, the utility model provides a human soft tissue sampling device, which comprises a puncture needle 1, a tissue cutting tube 2, an end cover 3 and a sleeve 4, wherein the puncture needle 1 is arranged in the tissue cutting tube 2, and the outer diameter of the puncture needle 1 is smaller than the inner diameter of the tissue cutting tube 2, so that the puncture needle 1 can freely move in the tissue cutting tube 2;
a sliding block 6 and a unhooking device 5 are installed in the sleeve 4, wherein a rebound spring 7 is arranged between the sliding block 6 and the unhooking device 5;
at least two unhooking strips 53 are installed at the end part of the unhooking device 5, wherein the end part of the unhooking strip 53 is installed in the glue injection groove 51 at the end part of the unhooking device 5, the two unhooking strips 53 are distributed in a same diameter, and the minimum distance between the two unhooking strips 53 is larger than the interface diameter of the rebound spring 7.
A round hole 52 is formed in one side of the glue injection groove 51, wherein the end of the tissue cutting tube 2 penetrates through the round hole 52 and is fixed in the glue injection groove 51, the diameter of the round hole 52 is slightly larger than that of the tissue cutting tube 2, and when the tissue cutting tube 2 penetrates through the round hole 52 and abuts against the right side of the glue injection groove 51, epoxy acrylate is filled into the glue injection groove 51, so that the tissue cutting tube 2 is fixed in the glue injection groove 51;
the pressing strip 54 is arranged on the edge side of the end of the unhooking device 5, wherein the pressing strip projection 541 is arranged on the edge side of the end of the pressing strip 54.
The sliding block 6 is fixed with the puncture needle 1 in the same way as the fixation between the tissue cutting tube 2 and the unhooking device 5, the diameter of a glue injection groove of the sliding block 6 is smaller than the minimum diameter of the section of the rebound spring 7, but the diameter of the sliding block 6 is larger than the diameter of the section of the rebound spring 7;
the end part of the unhooking strip 53 is provided with an unhooking strip fixing block 531, wherein the unhooking strip fixing block 531 is matched with the moving groove 61 on the slider 6 and moves in the moving groove 61, the size data of the unhooking strip fixing block 531 is smaller than the moving groove 61 of the slider 6, and the unhooking strip 53 can move on the slider 6;
the side of the moving groove 61 is provided with a transition groove 611 communicated with the moving groove 61, wherein a transition groove fixture block 612 is arranged between the moving groove 61 and the transition groove 611, the unhooking strip fixing block 531 of the unhooking strip 53 enters the transition groove 611 along the opening of the transition groove 611, when the transition groove 611 passes, the unhooking strip 53 rotates to drive the unhooking strip fixing block 531 to enter the moving groove 61, and the length of the moving groove 61 can limit the range of the transverse distance of the unhooking strip 53.
The avris of slider 6 is provided with shell fragment 62 and the spacing strip 63 of slider, the spacing strip 63 that slider 6 was equipped with, with the spacing strip looks adaptation on the sleeve 4, prevent that slider 6 from taking place to rotate when moving on sleeve 4. The sliding block 6 is provided with an elastic sheet 62 with certain elasticity, and the end part of the elastic sheet 62 is provided with a locking block 621 which is matched with the locking hole 41 in the sleeve 4.
The side of the sleeve 4 is provided with a locking hole 41, wherein the locking hole 41 is matched with the locking block 621;
the tissue cutting tube 2 is provided with a plurality of developing rings 21, and the position of the cutting tube is displayed on a detection instrument, so that the operation is convenient;
the puncture needle 1 and the cutting edge of the tissue cutting tube 2 are symmetrically arranged, and the relative angle is preferably 180 degrees. Is more suitable for cutting tissues; the end part of the puncture needle 1 is provided with a cutting edge angle of 60 degrees or 45 degrees, so that the puncture effect is better when the tissue is punctured, and the cutting tissue tube 2 also has a special cutting edge angle and a better puncture effect when the tissue is punctured; be provided with tissue retaining groove 11 on pjncture needle 1, tissue retaining groove 11 includes but not limited to one in straight groove or the V type groove, after tissue cutting pipe 2 cut the tissue, tissue retaining groove 11 plays and keeps the tissue effect, in this embodiment, tissue retaining groove length preferred is 30mm, the moving groove 61 distance on the corresponding slider 6 also is 30mm, make unhook strip 53 drive pjncture needle 1 can expose 30mm outward, the maximum distance of removal of corresponding end cover 3 and slider 6 left end should be 30mm, can make tissue cutting pipe 2 cover the puncture pipe completely, make it reach best cutting effect. In this embodiment, the length of the needle set should be longer than the distance from the neck to the liver of a normal adult male, so as to facilitate the tissue extraction of the needle set on the liver.
The end part of the sleeve 4 is provided with a sleeve thread 42 connected with the end cover 3;
the middle part of the sleeve 4 is provided with a grab handle 43 which has the anti-skid function, so that the needle set has the supporting function when being operated;
the other end of the sleeve 4 is provided with a unhooking strip groove 44 matched with the unhooking strip 53, the unhooking strip 53 and the unhooking strip fixing block 531 can easily penetrate through the sleeve 4, and the unhooking strip groove 44 can realize that the unhooking strip 53 rotates 45 degrees in the sleeve 4 in the anticlockwise direction, so that the installation of the unhooking strip 53 is completed.
Specifically, the release strip 53 is pulled to drive the sliding block 6 to move rightwards, when the inner protruding locking block 621 reaches the locking hole 41, due to the effect of the inner elastic sheet 62, the locking block 621 clamps the locking hole 41 to lock the inner sliding block 6, meanwhile, as the sliding block 6 is provided with the moving groove 61, the release strip 53 can transversely move in the moving groove 6, when the release strip 53 drives the pressing strip 54 to move leftwards to the position right above the locking hole 41, the pressing strip 54 is pressed by hands to enable the locking block 621 to return to the sleeve 4, the rebound spring 7 arranged in the sleeve 4 rebounds to drive the sliding block 6 to be pushed forwards, and the sliding block 6 stops moving when the left end of the sliding block 6 abuts against the end cover 3. The distance of the presser bar 54 from the circular axis of the sleeve 4 is therefore greater than the diameter of the sleeve 4.
As shown in fig. 11-13, the puncture path is first accessed from the neck by other sheath assemblies, and after the path is established, the corresponding sheath is retained in the body, so the inner diameter of the retained sheath is larger than the outer diameter of the tissue cutting tube 2, and the liver extraction tissue part is determined by the developing ring 21 on the tissue cutting tube 2 under the contrast equipment in the operation. The release strip 53 is firstly pulled out in vitro, so that the rebound spring 7 is in a compressed state, at the moment, the puncture needle point is in the tissue cutting tube 2, and then the extraction device is introduced. When the needle assembly is at a reasonable distance from the liver tissue, the unhooking strip 53 is pushed in at this time, the puncture needle 1 connected with the unhooking strip penetrates into the liver tissue, the tissue receiving groove completely enters into the liver tissue, after the tissue position is confirmed again, the pressing strip 54 is pressed, the sliding block 6 drives the tissue cutting tissue tube 2 to be shot into the liver tissue, and the liver tissue cutting of the designated area is completed. The cut tissue is present on the tissue cutting groove 11 on the puncture needle 1. After the needle assembly is removed from the body, the unhooking strip 53 is simply pushed out again to expose the tissue cutting groove 11 of the puncture needle, and the cut tissue is moved into a storage vessel for later sample examination.
The utility model has the advantages of few structural assembly parts and simple assembly process, is convenient for actual production and use in operation, and improves the stability in the use process; the extraction needle is suitable for extracting liver tissues, the length of the extraction needle is accurate, and the puncture force is suitable; the device has a simple triggering structure and is suitable for actual production and operation in operation; the device is suitable for multiple use in one operation, sufficient biopsy tissues are extracted, and the inspection accuracy is improved; when the clinician is judging the state of illness again, need enough stable tissue sample, the needle group in this embodiment can be stable high-efficient must solve tissue sample collection problem, and is stable durable, is fit for many times sample simultaneously and takes work. The cutting element comprises a tissue cutting tube and a puncture needle. The outer sleeve can cut the tissue into the tissue receiving groove of the needle groove, and after cutting, the outer sleeve can be pushed out of the receiving groove to obtain a detected sample. The structure is simpler and less, and simultaneously, the stability is greatly improved. The tissue sample can be efficiently, safely and stably obtained in the operation.
Example 2
As shown in fig. 9-13, the present invention provides a human soft tissue sampling device, comprising a puncture needle 1, a tissue cutting tube 2, an end cap 3 and a sleeve 4, wherein the puncture needle 1 is installed in the tissue cutting tube 2;
the difference from the embodiment 1 is that a second slider 100 and a unhooking device 5 are installed in a sleeve 4, wherein a second unhooking strip 400 is connected to the end of the unhooking device 5;
an outward protruding block is installed at the end of the second unhooking strip 400, wherein the second unhooking strip 400 is installed in the second sliding block 100, the protruding block is nested in the second sliding block 100 by using the elasticity of the unhooking strip 400, and the second unhooking strip 400 can pull the second sliding block 100 to move transversely;
the second slider 100 is sleeved in the second rebound spring 300, wherein the second rebound spring 300 is installed inside the sleeve 4, and the spring stop sheet 700 is installed at the side of the second slider 100 to abut against the second rebound spring 300, so as to play a role in limiting the spring 600. The hole diameter of the spring catch 700 should be larger than the diameter of the second slider 100 and smaller than the diameter of the second rebound spring 300. The second sliding block 100 is provided with two end grooves, so that the spring catch 700 and the snap ring 500 can be conveniently installed.
A snap ring 500 is installed at the outer side of the second slider 100, wherein a tension spring 600 is installed between the snap ring 500 and the sleeve 4;
a button 200 is installed at one end of the snap ring 500 opposite to the tension spring 600; the inner side of the sleeve 4 is provided with a blocking groove 800. The puncture needle 1 and the cutting edge of the tissue cutting tube 2 are symmetrically arranged, wherein the puncture needle 1 is provided with a tissue retaining groove 11.
The second unhooking strip 400 drags the second slider 600 to enable the clamping groove 800 to reach the clamping ring 500, and the clamping ring 500 elastically clamps the clamping groove 800 due to the tension spring 600 below, so that the integral limiting effect is achieved. Due to the limiting effect of the spring catch 700, at this time, the second rebound spring 300 is in a compressed state, and then the second unhooking strip 400 is pushed leftwards, the second unhooking strip 400 drives the puncture needle 1 to be pushed out from the tissue cutting tube 2, after the pushing-out is finished, the button 200 is pressed by a hand, the button 200 gives the next pressure to the snap ring 500, so that the snap groove 800 freely moves again, due to the effect of the second rebound spring 300, the spring catch 700 can drive the second slider 600 to be ejected leftwards, the second slider 600 drives the tissue cutting tube 2 to be ejected leftwards, and the tissue cutting effect is completed by the effect of the puncture needle 1. The cut tissue is present in the tissue cutting groove 11 of the puncture needle 1. After the needle assembly is removed from the body, the second unhooking strip 400 is simply pushed out again to expose the tissue cutting groove 11 of the puncture needle, and the cut tissue is moved into a storage vessel for later sample examination.
The utility model has the advantages of few structural assembly parts and simple assembly process, is convenient for actual production and use in operation, and improves the stability in the use process; the extraction needle is suitable for extracting liver tissues, the length of the extraction needle is accurate, and the puncture force is suitable; the device has a simple triggering structure and is suitable for actual production and operation in operation; the device is suitable for multiple use in one operation, sufficient biopsy tissues are extracted, and the inspection accuracy is improved; when the clinician is judging the state of illness again, need enough stable tissue sample, the needle group in this embodiment can be stable high-efficient must solve tissue sample collection problem, and is stable durable, is fit for many times sample simultaneously and takes work. The cutting element comprises a tissue cutting tube and a puncture needle. The outer cannula allows tissue to be cut into the tissue receiving slot of the needle slot and pushed out of the receiving slot after the cutting is completed to obtain a sample for testing. The structure is simpler and less, and simultaneously, the stability is greatly improved. The tissue sample can be efficiently, safely and stably obtained in the operation.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the utility model. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (9)
1. A human soft tissue sampling device is characterized by comprising a puncture needle (1), a tissue cutting tube (2), an end cover (3) and a sleeve (4), wherein,
the puncture needle (1) is arranged in the tissue cutting tube (2);
a slide block (6) and a unhooking device (5) are arranged in the sleeve (4),
a rebound spring (7) is arranged between the sliding block (6) and the unhooking device (5);
at least two unhooking strips (53) are mounted at the end of the unhooking device (5), wherein,
the end part of the unhooking strip (53) is arranged in a glue injection groove (51) at the end part of the unhooking device (5);
one side of the glue injection groove (51) is provided with a round hole (52), wherein,
the end part of the tissue cutting tube (2) passes through the round hole (52) and is fixed in the glue injection groove (51);
the side of the end part of the unhooking device (5) is provided with a pressing strip (54), wherein,
and a pressing strip convex block (541) is arranged on the edge side of the end part of the pressing strip (54).
2. The human soft tissue sampling device according to claim 1, wherein the end of the trip strip (53) is provided with a trip strip fixing block (531), wherein,
the unhooking strip fixing block (531) is matched with a moving groove (61) on the sliding block (6) and moves in the moving groove (61);
the slide block (6) is fixed with the puncture needle (1), wherein,
the side of the sliding block (6) is provided with an elastic sheet (62) and a sliding block limiting strip (63);
the end part of the elastic sheet (62) is provided with a locking block (621).
3. The human soft tissue sampling device according to claim 2, wherein the side of the sleeve (4) is provided with a locking hole (41), wherein,
the locking hole (41) is matched with the locking block (621).
4. A device as claimed in claim 1, wherein the tissue cutting tube (2) is provided with a plurality of visualization rings (21);
the puncture needle (1) and the cutting edge of the tissue cutting tube (2) are symmetrically arranged, wherein,
a tissue retention groove (11) is formed in the puncture needle (1);
the tissue retention groove (11) comprises one of a straight groove or a V-shaped groove.
5. The human soft tissue sampling device according to claim 2, wherein the side of the moving groove (61) is provided with a transition groove (611) communicating therewith, wherein,
a transition groove fixture block (612) is arranged between the moving groove (61) and the transition groove (611).
6. A device according to claim 1, wherein the end of the sleeve (4) is provided with a sleeve thread (42) connected to the end cap (3);
the middle part of the sleeve (4) is provided with a grab handle (43);
the other end of the sleeve (4) is provided with a unhooking strip groove (44) matched with the unhooking strip (53).
7. A human soft tissue sampling device is characterized by comprising a puncture needle (1), a tissue cutting tube (2), an end cover (3) and a sleeve (4), wherein,
the puncture needle (1) is arranged in the tissue cutting tube (2);
a second slide block (100) and a unhooking device (5) are arranged in the sleeve (4),
the end part of the unhooking device (5) is connected with a second unhooking strip (400);
the end of the second unhooking strip (400) is provided with an outward protruding block, wherein,
the second unhooking strip (400) is arranged in the second sliding block (100);
the second sliding block (100) is sleeved in a second rebound spring (300), wherein,
the second rebound spring (300) is installed inside the sleeve (4), and a spring catch (700) is installed on the side of the second sliding block (100) and abutted against the second rebound spring (300).
8. The human soft tissue sampling device according to claim 7, wherein a snap ring (500) is mounted to the outer side of the second slider (100), wherein,
a tension spring (600) is arranged between the snap ring (500) and the sleeve (4);
a button (200) is arranged at one end part of the snap ring (500) at the other side opposite to the tension spring (600);
the inner side of the sleeve (4) is provided with a clamping groove (800).
9. A device for sampling soft tissue of a human body according to claim 7, wherein the puncture needle (1) is arranged symmetrically to the cutting edge of the tissue cutting tube (2), wherein,
the puncture needle (1) is provided with a tissue retention groove (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122347459.7U CN216797705U (en) | 2021-09-27 | 2021-09-27 | Human soft tissue sampling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122347459.7U CN216797705U (en) | 2021-09-27 | 2021-09-27 | Human soft tissue sampling device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216797705U true CN216797705U (en) | 2022-06-24 |
Family
ID=82039066
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122347459.7U Active CN216797705U (en) | 2021-09-27 | 2021-09-27 | Human soft tissue sampling device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216797705U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116784892A (en) * | 2023-05-22 | 2023-09-22 | 南昌大学第一附属医院 | Automatic synovial biopsy sampling combined device and application method thereof |
-
2021
- 2021-09-27 CN CN202122347459.7U patent/CN216797705U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116784892A (en) * | 2023-05-22 | 2023-09-22 | 南昌大学第一附属医院 | Automatic synovial biopsy sampling combined device and application method thereof |
| CN116784892B (en) * | 2023-05-22 | 2023-11-03 | 南昌大学第一附属医院 | Automatic synovial biopsy sampling combined device and application method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US7905857B2 (en) | Needle assembly including obturator with safety reset | |
| US7775989B2 (en) | Needle biopsy forceps with integral sample ejector | |
| US6846292B2 (en) | Pleural biopsy and brushing needle | |
| US8348894B2 (en) | Needle assembly including obturator with safety reset | |
| CA1176532A (en) | Lancet injector | |
| US6572565B2 (en) | Blood sampling assembly with a retractable needle | |
| US4702261A (en) | Biopsy device and method | |
| US6761704B2 (en) | Safety blood collection needle assembly | |
| US6974423B2 (en) | Needle assembly | |
| US20120197157A1 (en) | Distal Tip Configurations for Biopsy with EUS FNA | |
| US20020082521A1 (en) | Alternate-site lancer | |
| JPH06501408A (en) | automatic biopsy instrument | |
| KR101275917B1 (en) | Dual purpose pen type device for ultrasound guided fine needle aspiration and core needle biopsy | |
| CA2550339A1 (en) | Device for shielding a sharp tip of a cannula and method of using the same | |
| CN216797705U (en) | Human soft tissue sampling device | |
| JP2003325483A (en) | Needle holder for use with safety needle assembly | |
| JP2005073798A (en) | Puncture needle device for endoscope | |
| CN209332111U (en) | A kind of biopsy needle with driving device | |
| CN111110251A (en) | Safety blood taking needle | |
| EP3903686B1 (en) | Rotation prevention biopsy needle | |
| CN201394032Y (en) | Multi-hole ring rotary type myeloid biopsy needle | |
| US20200405277A1 (en) | Endoscopic ultrasound needle device and method for operating the same | |
| KR101508138B1 (en) | Biopsy needle | |
| CN219183768U (en) | Peripheral blood taking needle | |
| CN220572197U (en) | Disposable arterial blood sampling device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |