CN219578921U - Disposable endoscope ultrasonic suction biopsy needle - Google Patents
Disposable endoscope ultrasonic suction biopsy needle Download PDFInfo
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- CN219578921U CN219578921U CN202320539943.6U CN202320539943U CN219578921U CN 219578921 U CN219578921 U CN 219578921U CN 202320539943 U CN202320539943 U CN 202320539943U CN 219578921 U CN219578921 U CN 219578921U
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Abstract
The utility model relates to the technical field of biopsy equipment, in particular to a disposable endoscope ultrasonic suction biopsy needle, which comprises a scale rod, wherein one end of the scale rod is connected with a sheath tube, one end of the scale rod, which is positioned at the sheath tube, is also provided with a control handle in a sliding manner, and one end of the control handle, which faces the sheath tube, is used for connecting an endoscope; one end of the scale rod, which is back to the sheath tube, is slidably provided with a movable handle, and the movable handle is connected with a needle tube; the needle tube is internally provided with a needle wire, one end of the needle wire, which is far away from the sheath tube, is connected with a tail pull head, and the tail pull head is detachably arranged on the movable handle; the scale rod is also provided with a safety ring arranged between the movable handle and the control handle in a sliding way; the side part of the safety ring is provided with a jackscrew for fixing the safety ring on the scale rod in a jacking manner; a jackscrew is arranged on the side part of the control handle and used for fixing the control handle on the scale rod in a jacking manner; the utility model effectively solves the technical problems of high processing difficulty and high input cost of the disposable biopsy needle in the prior art.
Description
Technical Field
The utility model relates to the technical field of biopsy equipment, in particular to a disposable endoscope ultrasonic suction biopsy needle.
Background
In order to accurately find the cause of disease in diagnosis, a biopsy is required to be performed on a lesion, and a doctor obtains a certain amount of living tissue from the lesion with a medical instrument to perform case analysis so as to treat the disease. In the prior art, biopsy is typically performed using an endoscopic ultrasound aspiration biopsy needle to remove living tissue.
For example, the utility model patent application document with the publication number of CN114305521A discloses a novel endoscope ultrasonic aspiration biopsy needle, which comprises a scale rod, wherein the front end of the scale rod is connected with a sheath tube which is used for extending into an endoscope, the scale rod is also provided with a control handle, the control handle is fixedly connected with the endoscope to fix the whole device on the endoscope, a needle tube is arranged in the sheath tube, the rear end of the needle tube is connected with a movable handle which can slide on the scale rod, a needle wire used for extracting living tissues is also arranged in the needle tube, the rear end of the needle wire is connected with a tail pull head, and the tail pull head is detachably arranged on the movable handle.
The scale rod is also provided with a safety ring which is movably arranged on the movable handle and is used for limiting the movement scale of the movable handle when the scale rod is blocked with the movable handle. Specifically, the safety ring is fixed on the scale bar and is accomplished by means of the grafting of first locking lever and second locking lever in the locking groove, and during processing, at first need process the spout on the scale bar, then set up the locking groove in the spout, overall structure is complicated, and the processing degree of difficulty is big, to the biopsy needle that is mostly disposable in order to improve the security, has improved the processing degree of difficulty and the input cost of whole biopsy needle greatly.
Disclosure of Invention
The utility model provides a disposable endoscope ultrasonic suction biopsy needle, which aims to solve the technical problems of high processing difficulty and high input cost of the disposable biopsy needle in the prior art.
In order to solve the problems, the disposable ultrasonic aspiration biopsy needle of the endoscope provided by the utility model adopts the following technical scheme:
the disposable endoscope ultrasonic suction biopsy needle comprises a scale rod, wherein one end of the scale rod is connected with a sheath tube which is used for extending into the endoscope and then entering a detection area along with the endoscope, one end of the scale rod, which is positioned at the sheath tube, is also provided with a control handle in a sliding manner, and one end of the control handle, which faces towards the sheath tube, is used for connecting the endoscope to fix the whole biopsy needle; one end of the scale rod, which is opposite to the sheath tube, is slidably provided with a movable handle, and the movable handle is connected with a needle tube which penetrates through the scale rod and then stretches into the sheath tube; the needle tube is internally provided with a needle wire, one end of the needle wire, which is far away from the sheath tube, is connected with a tail pull head, and the tail pull head is detachably arranged on the movable handle; the scale rod is also provided with a safety ring arranged between the movable handle and the control handle in a sliding manner;
the side part of the safety ring is provided with a jackscrew for jacking and fixing the safety ring on the scale rod after the safety ring is adjusted in place;
and jackscrews are arranged on the side parts of the control handles, so that the control handles are tightly jacked and fixed on the scale bars after the positions of the control handles relative to the scale bars are determined.
Further, a baffle ring is arranged on the scale rod and positioned between the control handle and the safety ring, the baffle ring divides the scale rod into a control section for moving the control handle and a movable section for moving the movable handle, and the baffle ring is used for being respectively in baffle fit with the control handle and the safety ring so as to correspondingly limit the moving stroke of the control handle and the safety ring.
Further, the radial dimension of the baffle ring is the same as the radial dimension of the movable handle and the control handle.
Further, the control section and the movable section are provided with scales extending along the length direction of the scale rod, and the two scales are mutually independent.
Further, the side walls of the safety ring and the control handle are provided with observation holes penetrating through the side walls, so that the movement positions of the safety ring and the control handle are observed respectively.
Further, the movable handle comprises an outer handle body, a guide tube and a needle seat, the outer handle body is sleeved on the scale rod, the outer handle body is connected with the needle seat through the guide tube, one end of the needle seat, which is opposite to the guide tube, is connected with the tail pull head, and the needle wire penetrates through the guide tube and the needle seat.
Further, the tail pull head is screwed on the end part of the needle seat through threads.
Further, the end of the control handle is provided with threads to be screwed on the endoscope or on a matched fixer to be connected with the endoscope.
The disposable endoscope ultrasonic aspiration biopsy needle provided by the utility model has the beneficial effects that:
1) The whole biopsy needle is connected to the endoscope through the control handle, the sheath tube enters a biopsy area along with the endoscope, the effect of adjusting the extension length of the sheath tube in the endoscope is realized by adjusting the relative position between the scale bar and the control handle, and the relative position of the movable handle on the scale bar is also adjusted, so that the extension length of the needle tube from the sheath tube can be adjusted to better carry a needle wire for performing puncture biopsy, wherein the scale bar and the control handle and the movable handle and the scale bar are tightly propped and fixed through jackscrews after being adjusted in place, the jackscrews belong to standard components, the biopsy needle is simple in structure, easy to collect and use, low in cost, and the scale bar is not required to be excessively processed, so that the processing difficulty is reduced;
2) The stop ring conveniently limits the moving travel of the control handle and the safety ring, and the control handle and the movable handle can be conveniently and quickly adjusted in place by matching with the scales on the control section and the movable section, so that the operation is more convenient;
3) The movable handle is arranged in a split mode, the needle seat can be connected with the outer handle body after the needle tube is connected, connection of the movable handle and the needle tube is facilitated, and assembly difficulty is reduced;
through the arrangement, the utility model completes the improvement and upgrading of the existing ultrasonic suction biopsy needle of the endoscope, reduces the complexity, processing difficulty and input cost of the product structure as a disposable product, and effectively solves the technical problems of high processing difficulty and high input cost of the disposable biopsy needle in the prior art.
Drawings
The above, as well as additional purposes, features, and advantages of exemplary embodiments of the present utility model will become readily apparent from the following detailed description when read in conjunction with the accompanying drawings. In the drawings, embodiments of the utility model are illustrated by way of example and not by way of limitation, and like reference numerals refer to similar or corresponding parts and in which:
FIG. 1 is a schematic illustration of a disposable endoscopic ultrasound aspiration biopsy needle provided in the present utility model (showing the outer handle);
fig. 2 is a schematic diagram of a disposable endoscopic ultrasound aspiration biopsy needle provided by the present utility model (outer handle body not shown).
Reference numerals illustrate:
1. a scale bar; 2. a sheath; 3. a control handle; 4. a movable handle; 41. an outer handle body; 42. a needle stand; 5. a needle tube; 6. tail pull head; 7. a safety ring; 8. a jackscrew; 9. a baffle ring; 10. an observation hole; 11. a guide seat.
Detailed Description
The following description of the embodiments of the present utility model will be made more complete and clear to those skilled in the art by reference to the figures of the embodiments of the present utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
The main concept of the utility model is to simplify the structure of the safety ring 7 and reduce the complexity, processing difficulty and input cost of the product structure on the premise of keeping the use function of the biopsy needle. The above concepts are described in further detail below in connection with specific embodiments.
Having described the basic principles of the present utility model, various non-limiting embodiments of the utility model are described in detail below. Any number of elements in the figures are for illustration and not limitation, and any naming is used for distinction only and not for any limiting sense.
The principles and spirit of the present utility model are explained in detail below with reference to several representative embodiments thereof.
Example 1 of a disposable endoscopic ultrasound aspiration biopsy needle provided by the present utility model:
as shown in fig. 1 and 2, the disposable endoscope ultrasonic suction biopsy needle comprises a scale bar 1, the right end of the scale bar 1 is connected with a sheath tube 2, the sheath tube 2 is used for extending into an endoscope and then enters a detection area along with the endoscope, a control handle 3 is slidably arranged on the periphery of the right end of the scale bar 1, and the right end of the control handle 3 is used for connecting the endoscope so as to fix the whole biopsy needle on the endoscope, so that the sheath tube 2 can smoothly enter the detection area inside a patient through the endoscope.
The effect of the sliding mounting of the control handle 3 on the scale bar 1 is that the control handle 3 is fixed after being mounted on the endoscope, and the relative position between the control handle 3 and the scale bar 1 is adjusted, so that the scale bar 1 can move inwards or outwards with the sheath tube 2 to adjust the position in the detection area.
The left end slidable mounting of scale pole 1 has movable handle 4, movable handle 4 is connected with the needle tubing 5 that stretches into in sheath pipe 2 after passing scale pole 1, have the needle silk in the needle tubing 5, the left end of needle silk is connected with afterbody pull head 6, afterbody pull head 6 passes through the screw thread rotation on movable handle 4, movable handle 4's effect lies in adjusting the position that needle tubing 5 and needle silk stretched out in sheath pipe 2 to puncture the detection area, and afterwards, pull head 6 of afterbody is pulled out, draw in the tissue sample into needle tubing 5 through negative pressure device, take out whole biopsy needle, pack into the needle silk again and poke out the tissue sample can.
The scale rod 1 is also provided with a safety ring 7 in a sliding manner, the safety ring 7 is positioned between the movable handle 4 and the control handle 3, the safety ring 7 is used for limiting the moving stroke of the movable handle 4 on the scale rod 1, and the side wall of the safety ring 7 is provided with a jackscrew 8 for jacking and fixing the safety ring 7 on the scale rod 1 after the safety ring 7 moves to a proper position; likewise, the side of the control handle 3 is also provided with a jackscrew 8 for fixing the control handle 3 on the scale bar 1 after the relative position between the control handle 3 and the scale bar 1 meets the use requirement.
The scale bar 1 is also provided with a baffle ring 9, the baffle ring 9 is positioned between the control handle 3 and the safety ring 7, the radial dimension of the baffle ring 9 is the same as the radial dimension of the movable handle 4 and the control handle 3, and the baffle ring 9 divides the scale bar 1 into a control section for the movement of the control handle 3 and a movable section for the movement of the movable handle 4, so that the movement stroke of the control handle 3 and the movable handle 4 is practically limited.
Simultaneously, the control section and the movable section are provided with scales which extend along the length direction of the scale rod, and the two scales are mutually independent. So as to correspondingly adjust the positions of the movable handle 4 and the control handle 3 relative to the scale bar 1. For ease of observation, the side walls of the safety ring 7 and the control handle 3 are each provided with an observation hole 10 penetrating through the side walls for observing the movement positions of the safety ring 7 and the control handle 3, respectively.
In this embodiment, the movable handle 4 includes an outer handle body 41, a guide tube 11 and a needle seat 42, the outer handle body 41 is sleeved on the scale rod 1, the outer handle body 41 passes through the guide tube 11 to be connected with the needle seat 42, the left end of the needle seat 42 is provided with a tail pull head 6 in a screwed manner through threads, and a needle thread penetrates through the needle seat 42. The advantage of the split arrangement of the movable handle 4 is that the needle seat 42 can be connected with the outer handle body 41 after the needle tube 5 is connected, so that the movable handle 4 is conveniently connected with the needle tube 5, and the assembly difficulty is reduced.
In this embodiment, the end of the control handle 3 is provided with threads to be screwed onto the endoscope or onto a mating holder and then connected to the endoscope.
The working principle of the disposable endoscope ultrasonic aspiration biopsy needle provided by the utility model is as follows: the whole biopsy needle is screwed on an endoscope through a control handle 3, the endoscope is placed in a patient, a sheath tube 2 enters a biopsy area along with the endoscope, the effect of adjusting the extension length of the sheath tube 2 in the endoscope is realized by adjusting the relative position between a scale bar 1 and the control handle 3, and the length of a needle tube 5 extending out of the sheath tube 2 can be adjusted by adjusting the relative position of a movable handle 4 on the scale bar 1 so as to better carry a needle wire to puncture, wherein the needle wire is tightly propped and fixed through a jackscrew 8 after the scale bar 1 and the control handle 3 and the movable handle 4 and the scale bar 1 are adjusted in place;
after the puncture is finished, the tail pull head 6 is disassembled, the needle wire is pulled out, the left end of the needle seat 42 can be connected through a negative pressure device subsequently, so that a tissue sample is pumped into the needle tube 5, the whole biopsy needle is taken out, and the needle wire is reloaded to poke out the tissue sample.
Example 2 of a disposable endoscopic ultrasound aspiration biopsy needle provided by the present utility model:
the differences from example 1 are mainly that:
in example 1, the tail slider is threaded onto the movable handle.
In this embodiment, the tail slider may also be clamped to the movable handle.
Example 3 of a disposable endoscopic ultrasound aspiration biopsy needle provided by the present utility model:
the differences from example 1 are mainly that:
in embodiment 1, a blocking ring is further arranged on the scale bar, and the radial dimension of the blocking ring is the same as the radial dimension of the movable handle and the control handle.
In this embodiment, the protrusions are provided instead of the stopper rings, and the sizes of the protrusions may be adjusted as needed, so that the protrusions may not be the same as the radial sizes of the movable handle and the control handle.
Example 4 of a disposable endoscopic ultrasound aspiration biopsy needle provided by the present utility model:
the differences from example 1 are mainly that:
in embodiment 1, the movable handle comprises an outer handle body, a guide tube and a needle seat, and is in split arrangement.
In this embodiment, the movable handle may only include an outer handle body, and the needle tube and the tail slider are both connected to the outer handle body.
From the foregoing description of the present specification, it will be further understood by those skilled in the art that terms such as "upper", "lower", "front", "rear", "left", "right", "width", "horizontal", "top", "bottom", "inner", "outer", and the like, which indicate an azimuth or a positional relationship, are based on the azimuth or the positional relationship shown in the drawings of the present specification, are for convenience only in explaining aspects of the present utility model and simplifying the description, and do not explicitly or implicitly refer to devices or elements having to have the specific azimuth, be constructed and operate in the specific azimuth, and thus the azimuth or positional relationship terms described above should not be interpreted or construed as limitations of aspects of the present utility model.
In addition, in the description of the present specification, the meaning of "plurality" means at least two, for example, two, three or more, etc., unless specifically defined otherwise.
Claims (8)
1. The disposable endoscope ultrasonic suction biopsy needle comprises a scale rod, wherein one end of the scale rod is connected with a sheath tube which is used for extending into the endoscope and then entering a detection area along with the endoscope, one end of the scale rod, which is positioned at the sheath tube, is also provided with a control handle in a sliding manner, and one end of the control handle, which faces towards the sheath tube, is used for connecting the endoscope to fix the whole biopsy needle; one end of the scale rod, which is opposite to the sheath tube, is slidably provided with a movable handle, and the movable handle is connected with a needle tube which penetrates through the scale rod and then stretches into the sheath tube; the needle tube is internally provided with a needle wire, one end of the needle wire, which is far away from the sheath tube, is connected with a tail pull head, and the tail pull head is detachably arranged on the movable handle; the scale rod is also provided with a safety ring arranged between the movable handle and the control handle in a sliding manner, and is characterized in that:
the side part of the safety ring is provided with a jackscrew for jacking and fixing the safety ring on the scale rod after the safety ring is adjusted in place;
and jackscrews are arranged on the side parts of the control handles, so that the control handles are tightly jacked and fixed on the scale bars after the positions of the control handles relative to the scale bars are determined.
2. The ultrasonic suction biopsy needle of claim 1, wherein the scale bar is provided with a baffle ring between the control handle and the safety ring, the baffle ring divides the scale bar into a control section for moving the control handle and a movable section for moving the movable handle, and the baffle ring is used for being respectively in baffle fit with the control handle and the safety ring to correspondingly limit the moving stroke of the control handle and the movable handle.
3. The disposable endoscopic ultrasound aspiration biopsy needle of claim 2, wherein: the radial dimension of the baffle ring is the same as the radial dimension of the movable handle and the control handle.
4. The disposable endoscopic ultrasound aspiration biopsy needle of claim 2 or 3, wherein: the control section and the movable section are provided with scales which extend along the length direction of the scale rod, and the two scales are mutually independent.
5. The disposable endoscopic ultrasound aspiration biopsy needle of claim 4, wherein: the side walls of the safety ring and the control handle are provided with observation holes penetrating through the side walls, so that the movable positions of the safety ring and the control handle are observed respectively.
6. A disposable endoscopic ultrasound aspiration biopsy needle according to any one of claims 1 to 3, wherein: the movable handle comprises an outer handle body, a guide tube and a needle seat, wherein the outer handle body is sleeved on the scale rod, the outer handle body is connected with the needle seat through the guide tube, one end of the needle seat back to the guide tube is connected with the tail pull head, and the needle wire penetrates through the guide tube and the needle seat.
7. The disposable endoscopic ultrasound aspiration biopsy needle of claim 6, wherein:
the tail pull head is screwed at the end part of the needle seat through threads.
8. A disposable endoscopic ultrasound aspiration biopsy needle according to any one of claims 1 to 3, wherein: the end part of the control handle is provided with threads so as to be screwed on the endoscope or on a matched fixer through the threads and then connected with the endoscope.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320539943.6U CN219578921U (en) | 2023-03-17 | 2023-03-17 | Disposable endoscope ultrasonic suction biopsy needle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320539943.6U CN219578921U (en) | 2023-03-17 | 2023-03-17 | Disposable endoscope ultrasonic suction biopsy needle |
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| Publication Number | Publication Date |
|---|---|
| CN219578921U true CN219578921U (en) | 2023-08-25 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320539943.6U Active CN219578921U (en) | 2023-03-17 | 2023-03-17 | Disposable endoscope ultrasonic suction biopsy needle |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117481698A (en) * | 2023-12-28 | 2024-02-02 | 生一科技(北京)有限公司 | Ultrasonic endoscope and rotary puncture instrument thereof |
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2023
- 2023-03-17 CN CN202320539943.6U patent/CN219578921U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117481698A (en) * | 2023-12-28 | 2024-02-02 | 生一科技(北京)有限公司 | Ultrasonic endoscope and rotary puncture instrument thereof |
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