CN215458240U - Soft lens biopsy basket - Google Patents
Soft lens biopsy basket Download PDFInfo
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- CN215458240U CN215458240U CN202121931956.5U CN202121931956U CN215458240U CN 215458240 U CN215458240 U CN 215458240U CN 202121931956 U CN202121931956 U CN 202121931956U CN 215458240 U CN215458240 U CN 215458240U
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- basket
- steel wire
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- outer sleeve
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Abstract
The application discloses soft mirror biopsy cover basket. The soft lens biopsy basket comprises an outer sleeve, a handle, a connecting steel wire, a pull ring, an elastic part and a metal basket; the metal basket is surrounded by a pull steel wire to form a ring shape, two ends of the metal basket are connected with the connecting steel wire, the metal basket is provided with a fetching bag, and the fetching bag comprises a bag body made of flexible materials; one end of the bag body is provided with a bag opening, and the edge of the bag opening is provided with an annular sleeve body made of flexible materials; the annular sleeve body is provided with an opening, the tension steel wire penetrates through the annular sleeve body, and two ends of the tension steel wire respectively extend out of the opening and are connected to the pull ring. According to the endoscope biopsy sleeve basket, the biopsy forceps are made into the endoscope biopsy sleeve basket with the tissue wrapping function, large and quick tissues can be taken out, and after tissue biopsy is completed, tissue blocks wrapped by the biopsy sleeve basket are pulled out of a body, so that tissue falling or tumor cells are prevented from being scattered; and can meet the operation requirement of a tiny cavity.
Description
Technical Field
The utility model relates to the technical field of medical instruments, in particular to a soft lens biopsy basket.
Background
The soft lens can easily enter the upper section and the renal pelvis which are difficult to reach by the hard lens, so that the part can be explored, and diagnosis and treatment of diseases such as calculi, tumors and the like can be completed. The lithotripsy tool under the soft lens mainly comprises an electro-hydraulic lithotripsy device (EHL), a pulse dye laser and a holmium laser, and has a good lithotripsy effect. However, for suspected tumors, the soft lens can only be used for empirical diagnosis through visual observation, but an ideal biopsy specimen is difficult to cut to complete pathological diagnosis, and the embarrassing situation that the hard lens cannot be used and the soft lens cannot be used is formed.
Pathological biopsy is clinically needed for the cavity tumor diseases such as bladder tumor, renal pelvis tumor, digestive tract tumor and the like, the existing tissue pathological biopsy forceps are forceps-shaped biopsy instruments with openable mouths and can take out a small amount of tissues, and in the biopsy taking-out process, the tumor tissues are exposed, such as malignant tumor tissues, and the tumor is easy to spread in a natural cavity. Therefore, the biopsy forceps in patent CN 208551870U or patent CN110547832A, for example, cannot avoid the problem of tumor spreading in the natural cavity during the biopsy taking process. Moreover, the biopsy forceps have a large size and cannot meet the operation requirements of small cavities such as the bladder, the ureter, the renal pelvis, the digestive tract and the like.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a soft lens biopsy basket, which can take out large and fast tissues by making biopsy forceps into an endoscope biopsy basket with a tissue wrapping function, and can prevent the tissue from falling off or tumor cells from spreading after tissue biopsy is finished and the technical problem that the tumor spreads in a natural cavity in the biopsy taking process can not be solved by the conventional biopsy forceps; and solves the technical problem that the existing biopsy forceps have large size and cannot meet the operation requirements of tiny cavities such as bladder, ureter, renal pelvis, alimentary canal and the like.
In order to achieve the above object, in one embodiment of the present invention, a soft lens biopsy basket is provided, which includes an outer sleeve, a handle, a connecting wire, a pull ring, an elastic component and a metal basket; the outer sleeve comprises an operating end and an executing end, the handle is arranged on the outer side wall of the operating end, the connecting steel wire is movably arranged in the outer sleeve, the connecting steel wire penetrates through the elastic part and then is connected with the pull ring, the elastic part is sleeved on the connecting steel wire and clamped between the pull ring and the outer sleeve, and the metal basket is connected with the connecting steel wire and arranged at the executing end; the metal basket is surrounded by a pull steel wire to form a ring shape, two ends of the metal basket are connected with the connecting steel wire, the metal basket is provided with a fetching bag, and the fetching bag comprises a bag body made of flexible materials; one end of the bag body is provided with a bag opening, and the edge of the bag opening is provided with an annular sleeve body made of flexible materials; the annular sleeve body is provided with an opening, the tension steel wire penetrates through the annular sleeve body, and two ends of the tension steel wire respectively extend out of the opening and are connected to the pull ring.
Further, the soft-lens biopsy basket further comprises: the limiting sleeve ring is clamped in the outer sleeve and positioned on one side of the execution end, and the limiting sleeve ring can penetrate through the metal basket to limit the opening size of the metal basket; when the metal basket is pulled into the outer sleeve by the connecting steel wire, the limiting lantern ring reduces the opening of the metal basket; when the metal basket is ejected out of the outer sleeve pipe by the connecting steel wire, the metal basket falls off the limit of the limiting lantern ring, and the opening of the metal basket is enlarged.
Furthermore, the pull ring is arranged at the operation end and connected with two tail ends of the connecting steel wire, the connecting steel wire extends from the operation end to the execution end and then bends back to the operation end, and the bent part of the connecting steel wire forms the metal basket; the connecting steel wire and the tension steel wire are made of the same material
Further, the handle comprises two collars which are oppositely arranged and are arranged corresponding to the pull ring.
Further, the elastic component is a pressure spring.
Further, when the elastic part is in an elastic extension state between the pull ring and the outer sleeve, the metal sleeve basket is contained in the outer sleeve; when the elastic part is compressed between the pull ring and the outer sleeve to be in a contracted state, the metal sleeve basket is supported outside the outer sleeve by the connecting steel wire, and the pulling steel wire stretches the object taking bag.
Further, the material of the bag comprises flexible plastic or non-woven fabric.
Further, the fetching bag can be folded into a cylinder to be placed in the outer sleeve.
Further, the diameter of the pull ring is larger than the diameter of the outer sleeve.
Further, the material of the outer sleeve comprises metal or plastic with hardness and elasticity.
Further, the outer diameter of the outer sleeve is 0.5mm-10mm, and the length of the outer sleeve is 25mm-1000 mm; the caliber of the object fetching bag is 3mm-30 mm.
The utility model has the beneficial effects that the soft lens biopsy basket is provided, the biopsy forceps are made into the endoscope biopsy basket with the tissue wrapping function, larger and faster tissues can be taken out, and the tissue wrapped by the biopsy basket is pulled out of the body after tissue biopsy is finished, so that tissue shedding or tumor cell scattering is avoided. And the soft-mirror biopsy basket has small size, meets the operation of small cavities such as bladder, ureter, renal pelvis, alimentary canal and the like, and solves the problem that the biopsy forceps have large size and cannot meet the operation requirement.
Drawings
The technical solution and other advantages of the present application will be presented in the following detailed description of specific embodiments of the present application with reference to the accompanying drawings.
Fig. 1 is a schematic view of an open structure of a soft-lens biopsy basket according to an embodiment of the present disclosure.
Fig. 2 is a schematic view of a storage structure of a soft-lens biopsy basket provided in an embodiment of the present application.
Fig. 3 is a partial structural schematic diagram of a soft-lens biopsy basket provided in an embodiment of the present application.
The reference numerals and components referred to in the drawings are as follows:
an outer sleeve 1, a handle 2, a connecting steel wire 3,
a pull ring 4, an elastic component 5, a metal basket 6,
a fetching bag 7, a limit lantern ring 8, a soft lens biopsy basket 10,
the operating end 11, the actuating end 12, the collar 21,
a tension steel wire 61, a bag opening 71 and an annular sleeve body 72.
Detailed Description
The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. It is to be understood that the embodiments described are only a few embodiments of the present application and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
In the description of the present application, it is to be understood that the terms "center," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the present application and for simplicity in description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed in a particular orientation, and be operated in a particular manner, and are not to be construed as limiting the present application. Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, features defined as "first", "second", may explicitly or implicitly include one or more of the described features. In the description of the present application, "a plurality" means two or more unless specifically limited otherwise.
Specifically, referring to fig. 1, 2 and 3, an embodiment of the present application provides a soft-lens biopsy basket 10, which includes an outer sleeve 1, a handle 2, a connecting wire 3, a pull ring 4, an elastic component 5 and a metal basket 6.
Referring to fig. 1, 2 and 3, the outer sleeve 1 includes an operation end 11 and an execution end 12, the operation end 11 is one end held and operated by a human hand, and the execution end 12 is one end controlled to execute the operation. The handle 2 is arranged on the outer side wall of the operating end 11, the connecting steel wire 3 is movably arranged in the outer sleeve 1, the connecting steel wire 3 is connected with the pull ring 4 after passing through the elastic part 5, the elastic part 5 is sleeved on the connecting steel wire 3 and clamped between the pull ring 4 and the outer sleeve 1, and the metal basket 6 is connected with the connecting steel wire 3 and arranged at the executing end 12; the metal pannier 6 is surrounded by a pull steel wire to form a ring shape, two ends of the metal pannier 6 are connected with the connecting steel wire 3, a material taking bag 7 is arranged on the metal pannier 6, and the material taking bag 7 comprises a bag body made of flexible materials; one end of the bag body is provided with a bag opening 71, and the edge of the bag opening 71 is provided with an annular sleeve body 72 made of flexible materials; the annular sleeve body 72 is provided with an opening, the tension steel wire penetrates through the annular sleeve body 72, and two ends of the tension steel wire respectively extend out of the opening and are connected to the pull ring 4.
The pull ring 4 is arranged at the operation end 11 and connected with two tail ends of the connecting steel wire 3, the connecting steel wire 3 extends from the operation end 11 to the execution end 12 and then turns back to the operation end 11, and the bent part of the connecting steel wire 3 forms the metal basket 6; the connecting steel wire 3 is made of the same material as the tension steel wire.
Referring to fig. 1, 2 and 3, the soft-lens biopsy basket 10 further includes a limiting collar 8, the limiting collar 8 is clamped in the outer sleeve 1 and located at one side of the execution end 12, and the limiting collar 8 can pass through the metal basket 6 to limit the size of the opening of the metal basket 6; when the metal basket 6 is pulled into the outer sleeve 1 by the connecting steel wire 3, the limiting lantern ring 8 reduces the opening of the metal basket 6; when the metal basket 6 is ejected out of the outer sleeve 1 by the connecting steel wire 3, the metal basket 6 falls off the limit of the limit lantern ring 8, and the opening of the metal basket 6 is enlarged.
In this embodiment, the handle 2 includes two opposite collars 21, which are disposed corresponding to the pull ring 4.
In this embodiment, the elastic member 5 is a pressure spring.
In this embodiment, when the elastic member 5 is in an elastically extended state between the pull ring 4 and the outer sleeve 1, the metal basket 6 is accommodated in the outer sleeve 1; when the elastic part 5 is compressed between the pull ring 4 and the outer sleeve 1 to be in a contracted state, the metal basket 6 is supported outside the outer sleeve 1 by the connecting steel wire 3, and the pull steel wire 61 expands the bag 7. After the metal basket 6 is unfolded, a large and fast tissue can be taken out, and after tissue biopsy is finished, the biopsy basket 6 wraps the tissue block and is pulled out of the body, so that tissue shedding or tumor cell scattering is avoided. And the pull ring 4 can be also stretched to drive the connecting steel wire 3 to store the metal basket 6 in the outer sleeve 1.
In this embodiment, the material of the bag 7 includes flexible plastic or non-woven fabric.
In this embodiment, the object obtaining bag 7 can be folded into a cylinder to be placed in the outer sleeve 1.
In this embodiment, the diameter of the pull ring 4 is larger than the diameter of the outer sleeve 1.
In this embodiment, the material of the outer sleeve 1 includes metal or plastic with hardness and elasticity.
In the embodiment, the outer diameter of the outer sleeve 1 is 0.5mm-10mm, and the length is 25mm-1000 mm; the caliber of the object fetching bag 7 is 3mm-30 mm.
It can be understood that, for the convenience of inspection, the soft-lens biopsy basket 10 further comprises a tube lens (not shown) disposed in parallel with the outer sleeve 1, the tube lens is disposed in the outer sleeve 1 or outside the outer sleeve 1, and a lens of the tube lens is located at one end of the metal basket 6.
The utility model has the beneficial effects that the soft lens biopsy basket is provided, the biopsy forceps are made into the endoscope biopsy basket with the tissue wrapping function, larger and faster tissues can be taken out, and the tissue wrapped by the biopsy basket is pulled out of the body after tissue biopsy is finished, so that tissue shedding or tumor cell scattering is avoided. And the soft-mirror biopsy basket has small size, meets the operation of small cavities such as bladder, ureter, renal pelvis, alimentary canal and the like, and solves the problem that the biopsy forceps have large size and cannot meet the operation requirement.
In the foregoing embodiments, the descriptions of the respective embodiments have respective emphasis, and for parts that are not described in detail in a certain embodiment, reference may be made to related descriptions of other embodiments.
The soft-lens biopsy basket provided by the embodiment of the present application is described in detail above, and the principle and the implementation of the present application are explained in the present application by applying specific examples, and the description of the above embodiments is only used to help understanding the technical solution and the core idea of the present application; those of ordinary skill in the art will understand that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications or substitutions do not depart from the spirit and scope of the present disclosure as defined by the appended claims.
Claims (10)
1. A soft lens biopsy basket is characterized by comprising an outer sleeve, a handle, a connecting steel wire, a pull ring, an elastic part and a metal basket;
the outer sleeve comprises an operating end and an executing end, the handle is arranged on the outer side wall of the operating end, the connecting steel wire is movably arranged in the outer sleeve, the connecting steel wire penetrates through the elastic part and then is connected with the pull ring, the elastic part is sleeved on the connecting steel wire and clamped between the pull ring and the outer sleeve, and the metal basket is connected with the connecting steel wire and arranged at the executing end;
the metal basket is surrounded by a pull steel wire to form a ring shape, two ends of the metal basket are connected with the connecting steel wire, the metal basket is provided with a fetching bag, and the fetching bag comprises a bag body made of flexible materials;
one end of the bag body is provided with a bag opening, and the edge of the bag opening is provided with an annular sleeve body made of flexible materials;
the annular sleeve body is provided with an opening, the tension steel wire penetrates through the annular sleeve body, and two ends of the tension steel wire respectively extend out of the opening and are connected to the pull ring.
2. The soft-lens biopsy basket according to claim 1, further comprising:
the limiting sleeve ring is clamped in the outer sleeve and positioned on one side of the execution end, and the limiting sleeve ring can penetrate through the metal basket to limit the opening size of the metal basket; when the metal basket is pulled into the outer sleeve by the connecting steel wire, the limiting lantern ring reduces the opening of the metal basket; when the metal basket is ejected out of the outer sleeve pipe by the connecting steel wire, the metal basket falls off the limit of the limiting lantern ring, and the opening of the metal basket is enlarged.
3. The soft-lens biopsy basket according to claim 1, wherein the pull ring is disposed at the operation end and connected to two ends of the connecting wire, the connecting wire extends from the operation end to the execution end and then bends back to the operation end, and the bent portion of the connecting wire forms the metal basket; the connecting steel wire and the tension steel wire are made of the same material.
4. The soft lens biopsy basket according to claim 1, wherein the handle comprises two collars disposed opposite to each other, corresponding to the pull ring.
5. The soft lens biopsy basket according to claim 1, wherein the resilient member is a compression spring.
6. The soft-lens biopsy basket according to claim 1, wherein the metal basket is received within the outer sleeve when the resilient member is in a resiliently extended state between the pull ring and the outer sleeve; when the elastic part is compressed between the pull ring and the outer sleeve to be in a contracted state, the metal sleeve basket is supported outside the outer sleeve by the connecting steel wire, and the pulling steel wire stretches the object taking bag.
7. The soft-lens biopsy basket according to claim 1, wherein the material of the access bag comprises flexible plastic or non-woven fabric; the fetching bag can be folded into a cylinder to be placed in the outer sleeve.
8. The soft-mirror biopsy basket according to claim 1, wherein the pull ring has a diameter greater than a diameter of the outer cannula.
9. The soft-lens biopsy basket according to claim 1, wherein the outer sleeve comprises a hard and resilient metal or plastic.
10. The soft-lens biopsy basket according to claim 1, wherein the outer cannula has an outer diameter of 0.5mm to 10mm and a length of 25mm to 1000 mm; the caliber of the object fetching bag is 3mm-30 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121931956.5U CN215458240U (en) | 2021-08-17 | 2021-08-17 | Soft lens biopsy basket |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121931956.5U CN215458240U (en) | 2021-08-17 | 2021-08-17 | Soft lens biopsy basket |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215458240U true CN215458240U (en) | 2022-01-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121931956.5U Active CN215458240U (en) | 2021-08-17 | 2021-08-17 | Soft lens biopsy basket |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215458240U (en) |
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2021
- 2021-08-17 CN CN202121931956.5U patent/CN215458240U/en active Active
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