Disposable endoscope calculus removing mesh basket
By designing anti-slip protrusions and anti-detachment in the endoscopic stone extraction net basket, the problem of stone sliding and falling is solved, and a firmer clamping and more convenient stone extraction process is achieved.
Patent Information
- Application Number
- CN202421587153.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-05
- Publication Date
- 2025-05-30
- Estimated Expiration
- 2034-07-05
AI Technical Summary
When dragging the stone basket with existing endoscope, the stones and the net basket are easily sliding, causing the stones to fall out. Repeated stone extraction operations are required, and the use effect is not ideal.
A disposable endoscope stone-taking net basket is designed, using components such as handle part, connection seat, catheter, net basket body, anti-slip protrusion and anti-distraction parts. The grasping ability is increased through the anti-slip protrusion, and the anti-distraction parts are prevented from falling.
Through the design of anti-slip protrusions and anti-detachment, the clamping force and stability of the net basket to the stone is improved, the risk of stone falling is reduced, and the repeated stone extraction operation is avoided, making it more convenient to use.
Smart Images

Figure CN222917578U_ABST
Abstract
Description
Technical Field
[0001] The utility model belongs to the field of endoscopic stone removal net baskets, in particular to a disposable endoscopic stone removal net basket. Background Art
[0002] Endoscopic stone removal basket is a professional instrument used in medical surgery. Endoscope refers to a medical instrument that enters the human body through various tubes to observe the internal conditions of the human body. When treating gallstones, the stones need to be removed after observing the condition of the stones through an endoscope, and the stones are usually removed through an endoscopic stone removal basket.
[0003] The existing Chinese patent with publication number CN211511953U discloses a stone-removing basket assembly and a stone-removing basket apparatus. The stone-removing basket assembly includes a connecting assembly and a basket. The basket includes at least two basket wires made of shape memory alloy material. The basket wires are bent into a connecting end with a hanging coil at one end, a gathered end in a gathered shape at the other end, and a structure with an expanded middle portion. The hanging coils are interlaced and connected together to form the head end of the basket, and the gathered ends are respectively connected to the connecting assembly and form the tail end of the basket. The utility model adopts a headless form, which is not only easy to collect stones or foreign objects located at the front of the basket end, but also can enlarge the space of the basket after expansion, which is easy to remove stones or foreign objects and convenient to use.
[0004] With regard to the above-mentioned related technologies, the space of the basket after expansion can be enlarged to facilitate the removal of stones or foreign objects. However, during the use of the endoscopic stone removal basket, when the basket is dragged back to remove the stones, the stones and the basket are prone to slip, causing the stones to fall out of the basket, requiring repeated stone removal operations, and the use effect is not ideal.
[0005] Therefore, we proposed a disposable endoscopic stone removal basket to solve the above-mentioned problems. Utility Model Content
[0006] In view of the above problems existing in the prior art, the purpose of the utility model is to provide a disposable endoscopic stone removal basket.
[0007] To solve the above problems, the technical solution adopted by the present utility model is as follows: a disposable endoscopic lithotripsy basket, comprising a lithotripsy basket assembly. The lithotripsy basket assembly includes a handle portion for holding and an adapter seat provided at the lower end of the handle portion. A catheter is installed at the lower end of the adapter seat, and a basket body is provided at the lower end of the catheter. One end of the basket body is connected to a guide wire, and the guide wire slides inside the catheter. Anti-slip protrusions are further provided on the inner arm of the basket body, which play an anti-slip role. An anti-disengagement member is provided on the outer side of the basket body, and a control mechanism for controlling the expansion or contraction of the basket body is provided on the surface of the handle portion. When the basket body clamps the stone, the anti-slip protrusions can be used for anti-slip, and the anti-disengagement member can hold the stone to achieve the purpose of anti-disengagement.
[0008] Preferably, a smooth layer is provided on the inner wall of the catheter, and the smooth layer can reduce the friction between the catheter and the guide wire, facilitating the movement of the guide wire.
[0009] Preferably, a tape layer is provided on the side of the anti-slip protrusion close to the basket body, and the anti-slip protrusion can be connected to the basket body through the provided tape layer.
[0010] Preferably, a connecting tube is connected to the end of the basket body away from the guide wire, and an end cap is provided on one side of the connecting tube.
[0011] Preferably, mounting holes are formed on the surface of the connecting tube, and a connecting post is provided on the side of the end cap close to the connecting tube. The mounting holes and the connecting post are adapted to each other, and the end cap can be mounted on the connecting tube through the mounting holes and the connecting post. The end cap can play a certain guiding role.
[0012] Preferably, the anti-disengagement member includes a net pocket and a mounting ring provided on the inner side of the net pocket, and the mounting ring is sleeved on the basket body, enabling the net pocket to be mounted on the basket body, which is beneficial to holding the stone and preventing it from falling.
[0013] Compared with the prior art, the beneficial effects of the present utility model are as follows:
[0014] 1. Through the provided tape layer, anti-slip protrusions and basket body, the anti-slip protrusions can be evenly arranged on the basket body through the tape layer. When using an endoscope for treatment, the basket body can clamp the stone, and the anti-slip protrusions can cooperate to increase the grasping ability of the basket body, making the stone clamped firmly, not easy to slide, and even less likely to fall.
[0015] 2. Through the provided anti-disengagement member, the clamped stone can be held, further improving the fixation of the stone to prevent it from falling, thereby avoiding repeated lithotripsy operations and facilitating use. Description of the Drawings
[0016] Figure 1Schematic diagram of the overall structure of the present utility model;
[0017] Figure 2 Planar schematic diagram of the structure of the basket body of the present utility model;
[0018] Figure 3 Schematic diagram of the structure of the anti - detachment member of the present utility model;
[0019] Figure 4 For the present utility model Figure 2 Enlarged schematic diagram of the structure at position A.
[0020] In the figure: 1. Stone - retrieving basket assembly; 11. Handle part; 12. Connecting seat; 13. Catheter; 131. Smooth layer; 14. Basket body; 141. Guide wire; 142. Anti - slip protrusion; 143. Tape layer; 144. Connecting pipe; 145. Mounting hole; 146. End cap; 147. Connecting column; 15. Anti - detachment member; 151. Mesh pocket; 152. Mounting ring. Detailed implementation mode
[0021] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments in the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts belong to the scope of protection of the present utility model. Embodiment
[0022] As Figure 1 、 Figure 2 and Figure 4 shown, a disposable endoscopic stone - retrieving basket includes a stone - retrieving basket assembly 1. The stone - retrieving basket assembly 1 includes a handle part 11 for holding and a connecting seat 12 provided at the lower end of the handle part 11. A catheter 13 is installed at the lower end of the connecting seat 12. A basket body 14 is provided at the lower end of the catheter 13. One end of the basket body 14 is connected with a guide wire 141, and the guide wire 141 slides inside the catheter 13. Anti - slip protrusions 142 are also provided on the inner arm of the basket body 14, and the anti - slip protrusions 142 play a role in anti - slipping. An anti - detachment member 15 is provided on the outer side of the basket body 14. A control mechanism for controlling the expansion or contraction of the basket body 14 is provided on the surface of the handle part 11. When the basket body 14 clamps a stone, the anti - slip protrusions 142 can be used for anti - slipping, and the anti - detachment member 15 can hold the stone to achieve the purpose of anti - detachment and avoid repeated clamping.
[0023] A smooth layer 131 is provided on the inner wall of the catheter 13. The smooth layer 131 can reduce the friction between the catheter 13 and the guide wire 141, facilitating the movement of the guide wire 141.
[0024] On one side of the anti-slip protrusion 142 close to the basket body 14, there is an adhesive tape layer 143. Through the provided adhesive tape layer 143, the anti-slip protrusion 142 can be connected to the basket body 14.
[0025] One end of the basket body 14 far from the guide wire 141 is connected with a connecting pipe 144. On one side of the connecting pipe 144, there is an end cap 146. The setting of the end cap 146 can play a guiding role for the basket body 14.
[0026] The surface of the connecting pipe 144 is provided with a mounting hole 145. On one side of the end cap 146 close to the connecting pipe 144, there is a connecting column 147. The mounting hole 145 and the connecting column 147 are adapted to each other. Through the mounting hole 145 and the connecting column 147, the end cap 146 can be mounted on the connecting pipe 144. The end cap 146 can play a certain guiding role, which is convenient for operation.
[0027] In this embodiment: Through the adhesive tape layer 143, the anti-slip protrusions 142 can be evenly arranged on the basket body 14, and through the mounting hole 145 and the connecting column 147, the end cap 146 can be mounted on the connecting pipe 144. And the anti-slip protrusions 142 are made of rubber material. When using an endoscope, the end cap 146 can play a certain guiding role, and then the basket body 14 is used to pick up stones. The evenly distributed anti-slip protrusions 142 can effectively improve the grasping effect of the basket body 14 on the stones, so that the stones are placed in the basket body 14 more stably and are not likely to fall off, which is beneficial to stone extraction. Embodiment
[0028] As Figure 3 shown, the anti-detachment member 15 includes a net pocket 151 and a mounting ring 152 arranged inside the net pocket 151, and the mounting ring 152 is sleeved on the basket body 14, which can enable the net pocket 151 to be mounted on the basket body 14, facilitating holding the stones and preventing them from falling off.
[0029] In this embodiment: Through the mounting ring 152, the net pocket 151 can be mounted on the outside of the basket body 14. When the basket body 14 clamps the stones, the net pocket 151 can hold the stones, improving the clamping effect on the stones, preventing the stones from falling off, and avoiding repeated stone extraction operations.
[0030] Working principle: The anti-slip protrusions 142 can be evenly arranged on the basket body 14 through the tape layer 143, and the end cap 146 can be installed on the connecting pipe 144 through the mounting holes 145 and the connecting posts 147. When using an endoscope, the end cap 146 can play a certain guiding role, and then the basket body 14 is used to pick up stones. The evenly distributed anti-slip protrusions 142 can firmly grasp the stones, so that the stones are relatively firmly placed in the basket body 14. When the basket body 14 clamps the stones, the net pocket 151 can hold the stones, and the purpose of preventing the clamped stones from falling off can be achieved.
[0031] The content not described in detail in this specification belongs to the prior art well known to those skilled in the art.
[0032] Although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments, or perform equivalent replacements for some of the technical features. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.
Claims
1. A disposable endoscopic stone removal basket, comprising a stone removal basket assembly (1), characterized in that: The stone-removing basket assembly (1) comprises a handle portion (11) for taking stones and a connecting seat (12) arranged at the lower end of the handle portion (11); a guide tube (13) is installed at the lower end of the connecting seat (12); a basket body (14) is arranged at the lower end of the guide tube (13); one end of the basket body (14) is connected to a guide wire (141); the guide wire (141) slides inside the guide tube (13); an inner arm of the basket body (14) is further provided with an anti-slip protrusion (142); the anti-slip protrusion (142) plays an anti-slip role; an anti-slip part (15) is arranged on the outer side of the basket body (14); and a control mechanism for controlling the expansion or contraction of the basket body (14) is arranged on the surface of the handle portion (11).
2. The disposable endoscopic stone removal basket according to claim 1, characterized in that: A smooth layer (131) is provided on the inner wall of the catheter (13), and the smooth layer (131) can reduce the friction between the catheter (13) and the guide wire (141).
3. The disposable endoscopic stone removal basket according to claim 2, characterized in that: A tape layer (143) is provided on one side of the anti-slip protrusion (142) close to the basket body (14), and the anti-slip protrusion (142) can be connected to the basket body (14) through the provided tape layer (143).
4. The disposable endoscopic stone removal basket according to claim 3, characterized in that: One end of the basket body (14) away from the guide wire (141) is connected to a connecting tube (144), and an end cap (146) is provided on one side of the connecting tube (144).
5. The disposable endoscopic stone removal basket according to claim 4, characterized in that: A mounting hole (145) is provided on the surface of the connecting tube (144); a connecting column (147) is provided on a side of the end cap (146) close to the connecting tube (144); the mounting hole (145) and the connecting column (147) are adapted to each other; the end cap (146) can be mounted on the connecting tube (144) via the mounting hole (145) and the connecting column (147).
6. The disposable endoscopic stone removal basket according to claim 5, characterized in that: The anti-dropping member (15) comprises a net bag (151) and a mounting ring (152) arranged inside the net bag (151), and the mounting ring (152) is sleeved on the net basket body (14), so that the net bag (151) can be mounted on the net basket body (14).
Citation Information
Patent Citations
Calculus removing mesh basket assembly and calculus removing mesh basket instrument
CN211511953U