CN212939798U - Biopsy needle used under endoscope - Google Patents
Biopsy needle used under endoscope Download PDFInfo
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- CN212939798U CN212939798U CN202021625807.1U CN202021625807U CN212939798U CN 212939798 U CN212939798 U CN 212939798U CN 202021625807 U CN202021625807 U CN 202021625807U CN 212939798 U CN212939798 U CN 212939798U
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- biopsy
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- outer sleeve
- base member
- biopsy needle
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Abstract
The utility model discloses a use biopsy needle under scope, including hollow syringe needle, the front end of outer sleeve is connected to the rear end of hollow syringe needle, is equipped with the biopsy cabin in the outer sleeve, and drive mechanism is connected to the biopsy cabin, and drive mechanism promotes the biopsy cabin along the axis of outer sleeve, and the front end of hollow syringe needle is equipped with the blade, and the biopsy cabin includes the base member and sets up the sample cabin on the base member, and the protruding stupefied blade that is equipped with of the front portion of base member, the bead in sample cabin are equipped with the blade, and the transverse dimension in biopsy cabin is less than the internal diameter of hollow syringe. The utility model discloses can draw the position that pathological change grows in the side of observation camera lens or for the side direction development type tumour sample.
Description
Technical Field
The utility model relates to a medical instrument especially relates to a use biopsy needle under scope.
Background
When biopsy is taken in digestive endoscopy, sometimes, because the position of lesion growth is at the side of an observation lens or is a lateral development type tumor, the biopsy forceps used at present are difficult to adjust to the optimal angle to take biopsy and even cannot take the biopsy.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a use biopsy needle under scope, the position that can extract pathological change growth is in the side of observation camera lens or for the side direction development type tumour sample.
In order to achieve the purpose, the utility model adopts the following technical proposal to realize:
the utility model discloses a use biopsy needle under scope, including hollow syringe needle, the front end of outer sleeve is connected to the rear end of hollow syringe needle, be equipped with the biopsy cabin in the outer sleeve, drive mechanism is connected to the biopsy cabin, drive mechanism promotes the biopsy cabin along the axis of outer sleeve, and the front end of hollow syringe needle is equipped with the blade, and the biopsy cabin includes the base member and sets up the sample cabin on the base member, protruding stupefied being equipped with the blade of the front portion of base member, the bead in sample cabin is equipped with the blade, and the transverse dimension in biopsy cabin is less than the internal diameter of hollow syringe needle.
Further, the outer sleeve is provided with a negative pressure interface.
Preferably, the base body is strip-shaped, the front part of the base body is pyramid-shaped, a cutting edge is arranged on the pyramid, and the top and one side surface of the sample cabin are open.
Preferably, the front part is a rectangular pyramid, the outer contour of the other part of the base body except the front part is a cuboid, and 4 long sides of the cuboid are respectively connected with 4 edges of the rectangular pyramid.
Preferably, the biopsy capsule is manufactured in one piece.
Preferably, the transmission mechanism comprises a connecting piece, a telescopic mechanism and an operating part which are sequentially connected, the biopsy cabin is connected with the connecting piece, and the telescopic direction of the telescopic mechanism is the axial direction of the outer sleeve.
Preferably, the telescopic mechanism comprises at least one diamond-shaped telescopic mechanism, and the connecting piece and the operating part are respectively connected with two opposite ends of the diamond-shaped telescopic mechanism.
Preferably, the operating part is a sliding handle, and the sliding handle is connected with the outer sleeve in a sliding mode.
Furthermore, the rear end of the outer sleeve is connected with a fixed handle.
Preferably, the connector is a guide wire.
The utility model discloses a use method as follows:
1. after the target focus is found, the fixing handle is held, the hollow needle head and the front part of the outer sleeve are conveyed to the position near the focus through an endoscope biopsy hole, the position is adjusted, and the hollow needle head is penetrated into the focus.
2. The sliding handle is pulled to send the biopsy cabin into the hollow needle through the outer sleeve, and the biopsy cabin exceeds the needle.
3. The sliding handle is pushed to reset the position, and the biopsy cabin returns to the outer sleeve from the needle cavity.
4. The fixed handle is pulled to make the hollow needle head withdraw from the lesion, and then the biopsy needle is withdrawn from the endoscope biopsy channel.
5. The whole process is connected with negative pressure suction, and the sample in the biopsy cabin is prevented from being separated from the biopsy cavity through the outer sleeve and the needle head hole.
6. Taking out the sample in the sample bin for inspection.
The utility model has the advantages as follows:
1. the utility model discloses can draw the position that pathological change grows in the side of observation camera lens or for the side direction development type tumour sample.
2. The utility model is simple and reliable.
Drawings
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic structural view of a biopsy capsule;
FIG. 3 is a schematic structural diagram of a diamond-shaped telescoping mechanism;
fig. 4 is a schematic view of the structure of the sliding handle portion.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings.
As shown in fig. 1 and 2, the utility model discloses a use biopsy needle under scope, including hollow needle 1, the front end of outer sleeve 2 is connected to the rear end of hollow needle 1, be equipped with biopsy cabin 3 in the outer sleeve 2, transmission mechanism is connected to biopsy cabin 3, transmission mechanism promotes biopsy cabin 3 along the axis of outer sleeve, the front end of hollow needle 1 is equipped with the blade, biopsy cabin 3 includes base member 32 and sets up the sample cabin 33 on the base member, the protruding stupefied blade 34 that is equipped with of the anterior 31 of base member 32, the bead of sample cabin 33 is equipped with blade 34, the transverse dimension in biopsy cabin 3 is less than the internal diameter of hollow needle 1, outer sleeve 2 is equipped with negative pressure interface 6.
Specifically, the method comprises the following steps: the matrix 32 is strip-shaped, the front part 31 of the matrix 32 is pyramid-shaped, preferably a rectangular pyramid, the edge is provided with a cutting edge 34, the outer contour of the other part of the matrix 32 except the front part 31 is cuboid, and 4 long sides of the cuboid are respectively connected with 4 edges of the rectangular pyramid; the top and one side of the sample chamber 33 are open; the biopsy capsule 3 is manufactured in one piece. The transmission mechanism comprises a connecting piece 4, a telescopic mechanism 5 and an operating part 7 which are sequentially connected, the rear end of the base body 32 of the biopsy cabin 3 is connected with the connecting piece 4, and the telescopic direction of the telescopic mechanism 5 is the axial direction of the outer sleeve.
As shown in fig. 3, the telescoping mechanism 5 includes at least one diamond-shaped telescoping mechanism, the connecting member 4 and the operating portion 7 are respectively connected to two opposite ends of the diamond-shaped telescoping mechanism, and the connecting member 4 is a guide wire. The diamond-shaped telescopic mechanism comprises 4 sides 51, adjacent sides 51 are hinged through a pin shaft 52, and two opposite ends are respectively connected with a connecting rod 53.
As shown in fig. 4, the operation unit 7 is a slide handle slidably connected to the outer sleeve 2. The rear end of the outer sleeve 2 is connected with a fixed handle 8.
Of course, the present invention may have other embodiments, and those skilled in the art may make various corresponding changes and modifications according to the present invention without departing from the spirit and the essence of the present invention, and these corresponding changes and modifications should fall within the protection scope of the appended claims.
Claims (10)
1. A biopsy needle used under an endoscope is characterized in that: including hollow needle, the front end of outer sleeve is connected to the rear end of hollow needle, be equipped with the biopsy cabin in the outer sleeve, drive mechanism is connected to the biopsy cabin, drive mechanism promotes the biopsy cabin along the axis of outer sleeve, and the front end of hollow needle is equipped with the blade, and the biopsy cabin includes the base member and sets up the sample cabin on the base member, the protruding stupefied blade that is equipped with of front portion of base member, the bead in sample cabin is equipped with the blade, and the transverse dimension in biopsy cabin is less than the internal diameter of hollow needle.
2. The endoscopic biopsy needle according to claim 1, wherein: the outer sleeve is provided with a negative pressure interface.
3. The endoscopic biopsy needle according to claim 1 or 2, wherein: the base member is the bar, and the front portion of base member is the pyramid, is equipped with the blade on the arris, the top and a side of sample cabin open.
4. The endoscopic biopsy needle according to claim 3, wherein: the front part is a rectangular pyramid, the outer contour of the other part of the base body except the front part is a cuboid, and 4 long sides of the cuboid are respectively connected with 4 edges of the rectangular pyramid.
5. The endoscopic biopsy needle according to claim 1, wherein: the biopsy capsule is manufactured in one piece.
6. The endoscopic biopsy needle according to claim 1 or 2, wherein: the transmission mechanism comprises a connecting piece, a telescopic mechanism and an operating part which are sequentially connected, the biopsy cabin is connected with the connecting piece, and the telescopic direction of the telescopic mechanism is the axial direction of the outer sleeve.
7. The endoscopic biopsy needle according to claim 6, wherein: the telescopic mechanism comprises at least one rhombic telescopic mechanism, and the connecting piece and the operating part are respectively connected with two opposite ends of the rhombic telescopic mechanism.
8. The endoscopic biopsy needle according to claim 6, wherein: the operating part is a sliding handle which is connected with the outer sleeve in a sliding manner.
9. The endoscopic biopsy needle according to claim 8, wherein: the rear end of the outer sleeve is connected with a fixed handle.
10. The endoscopic biopsy needle according to claim 6, wherein: the connecting piece is a guide wire.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021625807.1U CN212939798U (en) | 2020-08-06 | 2020-08-06 | Biopsy needle used under endoscope |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021625807.1U CN212939798U (en) | 2020-08-06 | 2020-08-06 | Biopsy needle used under endoscope |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212939798U true CN212939798U (en) | 2021-04-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021625807.1U Active CN212939798U (en) | 2020-08-06 | 2020-08-06 | Biopsy needle used under endoscope |
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| Country | Link |
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| CN (1) | CN212939798U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111772687A (en) * | 2020-08-06 | 2020-10-16 | 四川大学华西医院 | Biopsy needle used under endoscope |
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2020
- 2020-08-06 CN CN202021625807.1U patent/CN212939798U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111772687A (en) * | 2020-08-06 | 2020-10-16 | 四川大学华西医院 | Biopsy needle used under endoscope |
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