Calculus removing mesh basket with developing coating

By introducing guide arc grooves and inline slide structures into the stone net basket, we ensure that the traction wire is inserted into the wire rod before entering the human body, solving the problem of wire offset and poor development effect of the net basket, achieving higher operation accuracy degree and imaging clarity.

CN222444249UActive Publication Date: 2025-02-11SHANGHAI JUANWEI NEW MATERIAL TECH CO LTD
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Patent Information

Application Number
CN202420758312.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-04-12
Publication Date
2025-02-11
Estimated Expiration
2034-04-12

AI Technical Summary

Technical Problem

During the use of existing stone-taking net baskets, the wires of the net basket lack an effective movement guidance mechanism, which leads to the wires being easily offset when entering the human body, and the development effect of the net basket wires is poor, affecting the endoscopic imaging effect.

Method used

A stone net basket with a developing coating is designed, adopting a guide arc groove and an internal slider structure. By typing and pushing the handle, the internal slider is driven to guide the movement of the guide arc groove, and the wire rod is driven to deliver and return. Pull the movable movement to ensure that the traction wire is inserted into the wire rod before entering the human body, providing a straight path of movement to avoid offset. At the same time, the four stainless steel wires are coated with a development coating to improve imaging clarity.

Benefits of technology

It effectively avoids the deviation of the traction line when entering the human body, improves the operation accuracy of the stone net basket and the endoscopic imaging effect, and reduces the surgical operation time.

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Abstract

The utility model discloses a calculus removing mesh basket with a developing coating, relates to the technical field of calculus removing mesh baskets, and aims to solve the problems that in the using process of an existing calculus removing mesh basket, due to the fact that silk threads of the mesh basket lack an effective movable guide mechanism, the silk threads are prone to deviating when entering a human body, the developing effect of the silk threads of the mesh basket is poor, and the service life of the mesh basket is prolonged. The novel endoscope handle comprises a handle cylinder and a traction wire, a traction handle head is arranged at the tail of the handle cylinder, a winding seat is arranged at one end of the traction handle head, the traction wire is wound on the winding seat, a diamond mesh basket is arranged at one end of the traction wire, and the traction wire comprises four stainless steel wires; the guide arc groove is formed in the outer wall of the handle cylinder, an internally-connected sliding block is movably arranged in the guide arc groove, a connecting rod is arranged between the internally-connected sliding block and the wire rod, and the two ends of the connecting rod are fixedly connected with the internally-connected sliding block and the wire rod in an adhesive mode respectively; and the developing coating is arranged on the outer wall of the stainless steel wire.
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Description

Technical Field

[0001] The utility model relates to the technical field of stone-collecting net baskets, in particular to a stone-collecting net basket with a developing coating. Background Art

[0002] The stone removal basket is a medical device mainly used to capture and remove ureteral stones or stones and foreign bodies in the digestive tract such as the bile duct and pancreatic duct under endoscopy.

[0003] For example, the announcement number is: CN219538434U (named as a stone removal basket), which includes N nickel-titanium wires and a cluster. The distal ends of the N nickel-titanium wires are concentrated and bound in the first cluster. The N nickel-titanium wires are interlaced and woven to form a dense net. The free proximal ends of the N nickel-titanium wires are gathered to form M nickel-titanium wires, N is greater than 2M, and M is less than or equal to 4. The proximal ends of the M nickel-titanium wires are fixed in the second cluster at intervals. The M nickel-titanium wires are evenly arranged circumferentially. The M nickel-titanium wires form a net opening between two of them for large-volume stones to enter, and the large proximal net opening wraps the entire stone. Then the lithotripsy operation is performed. During the lithotripsy process, since the distal dense net opening is very small, the small stones produced by the lithotripsy can be more effectively collected and blocked, which reduces the operation time of the operation and is convenient for the doctor to operate.

[0004] During the use of the above-mentioned stone removal basket, the silk thread of the basket lacks an effective movable guiding mechanism, which causes the silk thread to easily deviate when entering the human body, and the development effect of the silk thread of the basket is poor, which affects the endoscopic imaging effect. For this reason, we provide a stone removal basket with a development coating. Utility Model Content

[0005] The purpose of the utility model is to provide a stone removal basket with a developing coating, so as to solve the problem that the existing stone removal basket proposed in the above-mentioned background technology lacks an effective movable guiding mechanism for the wires of the basket during use, which causes the wires to easily deviate when entering the human body, and the developing effect of the wires of the basket is poor, which affects the endoscopic imaging effect.

[0006] To achieve the above purpose, the utility model provides the following technical solutions: a stone-taking net basket with a developing coating, comprising a handle barrel and a traction line, a traction handle head at the tail position of the handle barrel, a winding seat at one end of the traction handle head, the traction line is wound on the winding seat, a diamond-shaped net basket is arranged at one end of the traction line, and the traction line includes four stainless steel wires;

[0007] Also includes:

[0008] A guide arc groove is arranged on the outer wall of the handle tube, and an inner slider is movably arranged inside the guide arc groove, a connecting rod is arranged between the inner slider and the conductor rod, and two ends of the connecting rod are respectively fixedly connected with the inner slider and the conductor rod by adhesive;

[0009] The developing coating is arranged on the outer wall of the stainless steel wire, and a filling core is arranged between the four stainless steel wires, and the filling core and the four stainless steel wires are an integrated structure.

[0010] Preferably, a winding arc groove is provided on the outer wall of the winding seat, and the traction wire is connected to the winding seat for positioning and winding through the winding arc groove. A limiting end disk is provided at one end of the winding seat, and the limiting end disk and the winding seat are an integrated structure.

[0011] Preferably, an extension tube is provided at one end of the handle tube, the extension tube and the handle tube are an integrated structure, and the conductor rod is movably connected to the extension tube and the handle tube.

[0012] Preferably, both ends of the inscribed slider are provided with inscribed side strips, the two inscribed side strips are an integral structure with the inscribed slider, a limiting slide groove is provided at the connection position between the inscribed slider and the inner wall of the guide arc groove, and the two limiting slide grooves are an integral structure with the guide arc groove.

[0013] Preferably, a binding head is provided at one end of the diamond-shaped mesh basket, and the binding head is fixedly connected to the starting end of the traction line by glue.

[0014] Preferably, a wire clamping groove is provided on the outer wall of the limiting end plate, and the traction wire is connected with the limiting end plate through the wire clamping groove.

[0015] Preferably, a push handle is provided on one side outer wall of the inner sliding block, and the push handle and the inner sliding block are an integral structure.

[0016] Compared with the prior art, the beneficial effects of the utility model are:

[0017] 1. The utility model drives the internal slider to move in the guide arc groove by toggling the push handle, thereby driving the guide rod to deliver and pull back. Before the traction line enters the human body, the guide rod is first inserted into the human body, and then the traction line and the diamond net basket are delivered. Before the diamond net basket is not connected to the stone, it can be received in the inside of the guide rod. The guide rod provides a straight moving path for the traction line, so as to achieve the purpose of guiding the traction line and avoid the deviation of the traction line.

[0018] 2. The traction line is composed of four stainless steel wires, which are gathered together by a filling core. The filling core is also made of stainless steel. The outside of the four stainless steel wires are coated with a developing coating, which is a developing liquid coating layer, making the diamond basket and traction line image clearer on the endoscope, improving the accuracy of stone removal by the stone removal basket BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a schematic diagram of the overall structure of the stone-taking net basket with a developing coating of the utility model;

[0020] Figure 2 This is a schematic diagram of the internal structure of the handle tube of the utility model;

[0021] Figure 3 This is a schematic diagram of the traction handle structure of the utility model;

[0022] Figure 4 This is a schematic diagram of the traction line structure of the utility model;

[0023] In the figure: 1. handle tube; 2. conductor rod; 3. extension tube; 4. guide arc groove; 5. traction handle; 6. traction line; 61. stainless steel wire; 62. developing coating; 63. filling inner core; 7. internal slider; 8. push handle; 9. diamond mesh basket; 10. restraining head; 11. limiting slide groove; 12. internal side strip; 13. connecting rod; 14. winding seat; 15. limiting end plate; 16. winding arc groove; 17. wire clamping groove. DETAILED DESCRIPTION

[0024] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0025] See also Figure 1-4 The utility model provides an embodiment: a stone-taking net basket with a developing coating, comprising a handle barrel 1 and a traction line 6, a traction handle head 5 is arranged at the tail position of the handle barrel 1, a winding seat 14 is arranged at one end of the traction handle head 5, the traction line 6 is wound on the winding seat 14, a diamond-shaped net basket 9 is arranged at one end of the traction line 6, and the traction line 6 includes four stainless steel wires 61;

[0026] Also includes:

[0027] The guide arc groove 4 is arranged on the outer wall of the handle tube 1, and an inner slider 7 is movably arranged inside the guide arc groove 4, a connecting rod 13 is arranged between the inner slider 7 and the conductor rod 2, and two ends of the connecting rod 13 are respectively glue-fixedly connected to the inner slider 7 and the conductor rod 2;

[0028] The developing coating 62 is disposed on the outer wall of the stainless steel wire 61 , and a filling core 63 is disposed between the four stainless steel wires 61 . The filling core 63 and the four stainless steel wires 61 are an integral structure.

[0029] When in use, the push handle is moved to drive the internal slider to move in the guide arc groove, thereby driving the guide rod to deliver and pull back. Before the traction line enters the human body, the guide rod is first inserted into the human body, and then the traction line and the diamond mesh basket are delivered. Before the diamond mesh basket is connected to the stone, it can be retracted into the inside of the guide rod. The guide rod provides a straight moving path for the traction line, thereby achieving the purpose of guiding the traction line and avoiding the deviation of the traction line.

[0030] See also Figure 3 A winding arc groove 16 is provided on the outer wall of the winding seat 14, and the traction line 6 is connected to the winding seat 14 for positioning and winding through the winding arc groove 16. A limiting end disk 15 is provided at one end of the winding seat 14, and the limiting end disk 15 and the winding seat 14 are an integrated structure. The winding arc groove 16 provided on the outer wall of the winding seat 14 serves to facilitate the positioning and winding of the traction line 6.

[0031] See also Figure 1 An extension tube 3 is provided at one end of the handle tube 1. The extension tube 3 and the handle tube 1 are an integrated structure. The conductor rod 2 is movably connected with the extension tube 3 and the handle tube 1. The extension tube 3 provided at one end of the handle tube 1 serves to extend the length of the handle tube 1.

[0032] See also Figure 2 , inscribed side strips 12 are provided at both ends of the inscribed slider 7, and the two inscribed side strips 12 are an integral structure with the inscribed slider 7. A limiting slide groove 11 is provided at the connection position between the inscribed slider 7 and the inner wall of the guide arc groove 4, and the two limiting slide grooves 11 are an integral structure with the guide arc groove 4. The inscribed side strips 12 provided at both ends of the inscribed slider 7 play a role of corresponding connection with the limiting slide grooves 11.

[0033] See also Figure 1 A binding head 10 is provided at one end of the diamond mesh basket 9, and the binding head 10 is fixedly connected to the starting end of the traction line 6 by glue. The binding head 10 provided at one end of the diamond mesh basket 9 plays the role of binding the starting end of the traction line 6.

[0034] See also Figure 3 A wire clamping groove 17 is provided on the outer wall of the limiting end plate 15, and the traction line 6 is connected with the limiting end plate 15 through the wire clamping groove 17. The wire clamping groove 17 provided on the outer wall of the limiting end plate 15 plays a role in guiding the traction line 6 to be clamped and connected.

[0035] See also Figure 1 A push handle 8 is provided on the outer wall of one side of the inner slider 7. The push handle 8 and the inner slider 7 are an integrated structure. The push handle 8 provided on the outer wall of one side of the inner slider 7 serves to facilitate the movement of the inner slider 7.

[0036] Working principle: When in use, the traction handle 5 is used to adjust the delivery and retraction of the traction line 6, thereby driving the diamond mesh basket 9 to enter the human body to remove the stone, and the push handle 8 is driven to drive the internal slider 7 to move in the guide arc groove 4, thereby driving the guide rod 2 to deliver and retract. Before the traction line 6 enters the human body, the guide rod 2 is first inserted into the human body, and then the traction line 6 and the diamond mesh basket 9 are delivered. Before the diamond mesh basket 9 is not connected to the stone, it can be put into the inside of the guide rod 2, and the guide rod 2 provides a A straight movable path is used to guide the traction line 6 and prevent the traction line 6 from being offset. The traction line 6 is composed of four stainless steel wires 61, which are gathered together in one piece through a filling core 63. The filling core 63 is also made of stainless steel. The outside of the four stainless steel wires 61 is coated with a developing coating 62, which is a developing liquid coating layer. This makes the image of the diamond basket 9 and the traction line 6 clearer on the endoscope, improves the accuracy of the stone removal basket, and completes the use of the stone removal basket with a developing coating.

[0037] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be regarded as exemplary and non-restrictive from any point of view, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims be included in the present invention. Any reference numeral in a claim should not be regarded as limiting the claim to which it relates.

Claims

1. A stone-taking net basket with a developing coating, comprising a handle barrel (1) and a traction line (6), wherein a traction handle head (5) is arranged at the tail of the handle barrel (1), a winding seat (14) is arranged at one end of the traction handle head (5), the traction line (6) is wound on the winding seat (14), a diamond-shaped net basket (9) is arranged at one end of the traction line (6), and the traction line (6) comprises four stainless steel wires (61); Features: Also includes: A guide arc groove (4) is arranged on the outer wall of the handle tube (1), and an internal slider (7) is movably arranged inside the guide arc groove (4), a connecting rod (13) is arranged between the internal slider (7) and the conductor rod (2), and two ends of the connecting rod (13) are respectively fixedly connected to the internal slider (7) and the conductor rod (2) by adhesive; A developing coating (62) is arranged on the outer wall of the stainless steel wire (61), and a filling core (63) is arranged between the four stainless steel wires (61), and the filling core (63) and the four stainless steel wires (61) are an integral structure.

2. The stone-removing basket with a developing coating according to claim 1, characterized in that: A winding arc groove (16) is provided on the outer wall of the winding seat (14), and the traction line (6) is connected to the winding seat (14) through the winding arc groove (16) for positioning and winding. A limiting end disc (15) is provided at one end of the winding seat (14), and the limiting end disc (15) and the winding seat (14) are an integrated structure.

3. The stone-removing basket with a developing coating according to claim 1, characterized in that: An extension tube (3) is provided at one end of the handle tube (1); the extension tube (3) and the handle tube (1) are an integrated structure; the conductor rod (2) is movably connected to the extension tube (3) and the handle tube (1).

4. The stone-removing basket with a developing coating according to claim 1, characterized in that: Both ends of the inscribed sliding block (7) are provided with inscribed side strips (12), and the two inscribed side strips (12) are an integral structure with the inscribed sliding block (7). A limiting sliding groove (11) is provided at the connection position between the inscribed sliding block (7) and the inner wall of the guiding arc groove (4), and the two limiting sliding grooves (11) are an integral structure with the guiding arc groove (4).

5. The stone-removing basket with a developing coating according to claim 1, characterized in that: A binding head (10) is provided at one end of the diamond-shaped mesh basket (9), and the binding head (10) is fixedly connected to the starting end of the traction line (6) by glue.

6. The stone-removing basket with a developing coating according to claim 2, characterized in that: A wire clamping groove (17) is provided on the outer wall of the position-limiting end plate (15), and the traction wire (6) is connected to the position-limiting end plate (15) by clamping the wire clamping groove (17).

7. The stone-removing basket with a developing coating according to claim 1, characterized in that: A push handle (8) is provided on one side outer wall of the inner sliding block (7), and the push handle (8) and the inner sliding block (7) are an integral structure.

Citation Information

Patent Citations

  • Calculus removing mesh basket

    CN219538434U