Suction pipeline structure suitable for urinary calculus operation

Abstract

The utility model provides a suction pipeline structure suitable for a urinary calculus operation, which relates to the field of medical instruments and comprises a main pipeline, a sheath joint and a negative pressure joint, the sheath joint is arranged at the first end of the main pipeline, the negative pressure joint is arranged at the second end of the main pipeline, and the main pipeline is communicated with the sheath joint and the negative pressure joint; wherein a first connecting through groove is formed in the inner wall of the end, facing the main pipeline, of the sheath joint, the first end of the main pipeline is located in the first connecting through groove, and the first end face of the main pipeline abuts against the inner wall of the first connecting through groove; the axis of the main pipeline is coaxial with the axis of the first connecting through groove, and the inner diameter of the main pipeline is the same as the inner diameter of the inner bottom wall of the first connecting through groove. The pipe joint has the advantages that the possibility that solid particles are stuck in the joint is reduced, and pipe blockage is reduced.

Description

Technical Field

[0001] The present application relates to the field of medical devices, and in particular to a suction pipeline structure suitable for urinary stone surgery. Background Art

[0002] Among urinary stone surgeries, there's a type of procedure called vacuum lithotripsy. This procedure requires a vacuum pump, a vacuum bottle, a vacuum introducer sheath, and a suction line. The vacuum pump draws air from the vacuum bottle, creating a negative pressure inside. The vacuum introducer sheath, connected to the vacuum bottle via the suction line, removes the stone and fluid from the body.

[0003] In the prior art, when the suction line is connected to a negative pressure guide sheath or other connectors, solid particles may get stuck in the connection seam, making it difficult to clean and even clogging the channel in severe cases. Utility Model Content

[0004] In order to reduce the possibility of solid particles getting stuck in the joints, the present application provides a suction pipeline structure suitable for urinary stone surgery.

[0005] In order to solve the above problems, the technical solution of the utility model is:

[0006] A suction pipeline structure suitable for urinary stone surgery, comprising a main pipeline, a sheath connector and a negative pressure connector;

[0007] The sheath connector is arranged at the first end of the main line, the negative pressure connector is arranged at the second end of the main line, and the main line, the sheath connector and the negative pressure connector are connected; wherein, a first connecting groove is opened on the inner wall of one end of the sheath connector facing the main line, the first end of the main line is located in the first connecting groove, and the first end face of the main line abuts against the inner wall of the first connecting groove; the axis of the main line and the axis of the first connecting groove are coaxial, and the inner diameter of the main line is the same as the inner diameter of the inner bottom wall of the first connecting groove.

[0008] The utility model is suitable for a suction pipeline structure for urinary stone surgery. The inner wall of the negative pressure joint facing one end of the main pipeline is provided with a second connecting groove. The second end of the main pipeline is located in the second connecting groove, and the inner wall of the main pipeline is flush with the inner wall of the negative pressure joint.

[0009] The utility model is suitable for the suction pipeline structure of urinary stone surgery, and the second end surface of the main pipeline abuts against the inner bottom wall of the second connecting groove.

[0010] The present invention is suitable for a suction pipeline structure for urinary stone surgery. The sheath connector includes a first connecting section, a second connecting section, and a third connecting section connected in sequence. The inner wall of the third connecting section is provided with a plurality of first sealing ring grooves and a plurality of second sealing ring grooves. The diameters of the first sealing ring grooves and the second sealing ring grooves are different, and the first sealing ring grooves and the second sealing ring grooves are alternately arranged.

[0011] Wherein, the first connecting groove is located on the first connecting section.

[0012] The suction pipeline structure of the utility model is suitable for urinary stone surgery. The inner wall of the second connecting section is provided with an inclined annular surface, and the diameter of the inclined annular surface gradually decreases along the first direction;

[0013] It is defined that the first direction is the direction from the first end of the main channel toward the second end of the main channel.

[0014] The present invention is suitable for a suction pipe structure for urinary stone surgery. The negative pressure joint includes a first connecting section, a second connecting section, and a third connecting section connected in sequence. The first connecting section is provided with a plurality of first fixing ring grooves and a plurality of second fixing ring grooves. The diameters of the first fixing ring grooves and the second fixing ring grooves are different, and the first fixing ring grooves and the second fixing ring grooves are alternately arranged.

[0015] Wherein, the second connecting groove is located on the third connecting section.

[0016] The utility model is suitable for the suction pipeline structure of urinary stone surgery. The outer side walls of the sheath joint and the negative pressure joint are both fixed with a plurality of connecting strips for improving friction.

[0017] The utility model is a suction pipeline structure suitable for urinary stone surgery, wherein the main pipeline is made of PVC.

[0018] Due to the adoption of the above technical solution, the present invention has the following advantages and positive effects compared with the prior art:

[0019] This solution arranges the first end of the main line in the first connecting groove, the first end face of the main line abuts the inner wall of the first connecting groove, and the inner diameter of the main line is the same as the inner diameter of the bottom wall of the first connecting groove, so that the transition between the inner wall of the main line and the inner wall of the sheath joint is seamless, and solid particles are not easily stuck, and the transportation of solids is not easily hindered.

[0020] Similarly, the second end of the main line is arranged in the second connecting groove, the second end face of the main line abuts the inner bottom wall of the second connecting groove, and the inner wall of the main line is flush with the inner wall of the negative pressure joint, so that the transition between the inner wall of the main line and the inner wall of the negative pressure joint is seamless, which is not easy to get stuck in solid particles and is not easy to hinder the transportation of solids. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 Schematic diagram of the overall structure of the suction pipeline structure suitable for urinary stone surgery in the embodiment of the present application

[0022] Figure 2 Cross-sectional view of the suction pipeline structure suitable for urinary stone surgery according to the embodiment of the present application

[0023] Explanation of the accompanying drawings: 1. Main line; 2. Sheath joint; 3. Negative pressure joint; 4. First connecting groove; 5. Second connecting groove; 6. First connecting section; 7. Second connecting section; 8. Third connecting section; 9. First connecting section; 10. Second connecting section; 11. Third connecting section; 12. Connecting strip. DETAILED DESCRIPTION

[0024] The following is a further detailed description of a suction pipe structure suitable for urinary stone surgery proposed by the present invention in conjunction with the accompanying drawings and specific embodiments. The advantages and features of the present invention will become more apparent from the following description and claims.

[0025] See Figures 1 to 2 This embodiment provides a suction pipeline structure suitable for urinary stone surgery, comprising a main pipeline 1, a sheath connector 2, and a negative pressure connector 3. The sheath connector 2 is disposed at the first end of the main pipeline 1, and the negative pressure connector 3 is disposed at the second end of the main pipeline 1, and the main pipeline 1, the sheath connector 2, and the negative pressure connector 3 are connected to each other; wherein, a first connecting groove 4 is formed on the inner wall of the end of the sheath connector 2 facing the main pipeline 1, the first end of the main pipeline 1 is located in the first connecting groove 4, and the first end face of the main pipeline 1 abuts against the inner wall of the first connecting groove 4; the axis of the main pipeline 1 and the axis of the first connecting groove 4 are coaxial, and the inner diameter of the main pipeline 1 is the same as the inner diameter of the inner bottom wall of the first connecting groove 4.

[0026] To further explain, the inner bottom wall of the first connecting groove 4 refers to the side wall perpendicular to the axis of the first connecting groove 4 .

[0027] It is further provided that the outer wall of the main line 1 and the inner wall of the first connecting groove 4 are fixed by bonding. By bonding, the gap between the outer wall of the main line 1 and the inner wall of the first connecting groove 4 can be filled. The gap may be formed due to processing errors or may be generated by installation connections.

[0028] In this solution, the first end of the main line 1 is arranged in the first connecting groove 4, the first end face of the main line 1 abuts the inner wall of the first connecting groove 4, and the inner diameter of the main line 1 is the same as the inner diameter of the bottom wall of the first connecting groove 4, so that the transition between the inner wall of the main line 1 and the inner wall of the sheath joint 2 is seamless, without steps or gaps, and solid particles are not easily stuck, and the transportation of solids is not easily hindered.

[0029] The specific structure of the suction pipeline structure applicable to urinary stone surgery of this embodiment is further described below:

[0030] In this embodiment, a second connecting groove 5 is opened on the inner wall of one end of the negative pressure connector 3 facing the main line 1, the second end of the main line 1 is located in the second connecting groove 5, and the inner wall of the main line 1 is flush with the inner wall of the negative pressure connector 3.

[0031] In this embodiment, the second end surface of the main pipe 1 abuts against the inner bottom wall of the second connecting groove 5 .

[0032] It is further provided that the outer wall of the main line 1 and the inner wall of the second connecting groove 5 are fixed by bonding. By bonding, the gap between the outer wall of the main line 1 and the inner wall of the second connecting groove 5 can be filled. The gap may be formed due to processing errors or may be caused by installation connections.

[0033] Further explanation, the second end of the main line 1 is arranged in the second connecting groove 5, the second end face of the main line 1 abuts against the inner bottom wall of the second connecting groove 5, and the inner wall of the main line 1 is flush with the inner wall of the negative pressure joint 3, so that the transition between the inner wall of the main line 1 and the inner wall of the negative pressure joint 3 is seamless, which is not easy to get stuck in solid particles and is not easy to hinder the transportation of solids.

[0034] In this embodiment, the sheath connector 2 includes a first connecting section 6, a second connecting section 7 and a third connecting section 8 connected in sequence; the inner wall of the third connecting section 8 is provided with a plurality of first sealing ring grooves and a plurality of second sealing ring grooves, the diameters of the first sealing ring grooves and the second sealing ring grooves are different, and the first sealing ring grooves and the second sealing ring grooves are alternately arranged; wherein, the first connecting groove 4 is located on the first connecting section 6.

[0035] To further illustrate, the first connecting section 6, the second connecting section 7 and the third connecting section 8 are integrally arranged.

[0036] It is further explained that when the first sealing ring groove and the second sealing ring groove are used to connect external components, the sealing performance is better.

[0037] In this embodiment, an inclined annular surface is formed on the inner wall of the second connecting section 7 , and the diameter of the inclined annular surface gradually decreases along a first direction; by definition, the first direction is the direction from the first end of the main line 1 toward the second end of the main line 1 .

[0038] To further illustrate, the inner wall of the main conduit 1 is connected to one end of the inclined annular surface without steps or gaps, thereby reducing the possibility of solid particles getting stuck in the gap.

[0039] In this embodiment, the negative pressure joint 3 includes a first connecting section 9, a second connecting section 10 and a third connecting section 11 connected in sequence; the first connecting section 9 is provided with a plurality of first fixed ring grooves and a plurality of second fixed ring grooves, the diameter of the first fixed ring groove and the diameter of the second fixed ring groove are different, and the first fixed ring groove and the second fixed ring groove are alternately arranged; wherein, the second connecting groove 5 is located on the third connecting section 11.

[0040] To further illustrate, the first connecting section 9, the second connecting section 10 and the third connecting section 11 are integrally provided.

[0041] In this embodiment, a plurality of connecting strips 12 for increasing friction are fixed to the outer side walls of the sheath connector 2 and the negative pressure connector 3 .

[0042] In this embodiment, the main pipe 1 is made of PVC.

[0043] The embodiments of the present invention are described in detail above with reference to the accompanying drawings, but the present invention is not limited to the above embodiments. Even if various changes are made to the present invention, if these changes fall within the scope of the claims of the present invention and their equivalents, they will still fall within the scope of protection of the present invention.

Claims

1. A suction pipeline structure suitable for urinary stone surgery, characterized in that: Including main line, sheath connector and negative pressure connector; The sheath connector is arranged at the first end of the main line, the negative pressure connector is arranged at the second end of the main line, and the main line, the sheath connector and the negative pressure connector are connected; wherein, a first connecting groove is opened on the inner wall of one end of the sheath connector facing the main line, the first end of the main line is located in the first connecting groove, and the first end face of the main line abuts against the inner wall of the first connecting groove; the axis of the main line and the axis of the first connecting groove are coaxial, and the inner diameter of the main line is the same as the inner diameter of the inner bottom wall of the first connecting groove.

2. The suction pipeline structure suitable for urinary stone surgery according to claim 1, characterized in that: A second connecting groove is formed on the inner wall of one end of the negative pressure joint facing the main line. The second end of the main line is located in the second connecting groove, and the inner wall of the main line is flush with the inner wall of the negative pressure joint.

3. The suction pipeline structure suitable for urinary stone surgery according to claim 2, characterized in that: The second end surface of the main channel abuts against the inner bottom wall of the second connecting groove.

4. The suction pipeline structure suitable for urinary stone surgery according to claim 1, characterized in that: The sheath connector includes a first connecting section, a second connecting section, and a third connecting section connected in sequence; the inner wall of the third connecting section is provided with a plurality of first sealing ring grooves and a plurality of second sealing ring grooves, the first sealing ring grooves and the second sealing ring grooves have different diameters, and the first sealing ring grooves and the second sealing ring grooves are alternately arranged; Wherein, the first connecting groove is located on the first connecting section.

5. The suction pipeline structure suitable for urinary stone surgery according to claim 4, characterized in that: An inclined annular surface is formed on the inner wall of the second connecting section, and a diameter of the inclined annular surface gradually decreases along the first direction; It is defined that the first direction is the direction from the first end of the main channel toward the second end of the main channel.

6. The suction pipeline structure suitable for urinary stone surgery according to claim 2, characterized in that: The negative pressure joint includes a first connecting section, a second connecting section, and a third connecting section connected in sequence; the first connecting section is provided with a plurality of first fixing ring grooves and a plurality of second fixing ring grooves, the diameters of the first fixing ring grooves and the diameters of the second fixing ring grooves are different, and the first fixing ring grooves and the second fixing ring grooves are alternately arranged; Wherein, the second connecting groove is located on the third connecting section.

7. The suction pipeline structure suitable for urinary stone surgery according to claim 1, characterized in that: The outer side walls of the sheath connector and the negative pressure connector are both fixed with a plurality of connecting strips for increasing friction.

8. The suction pipeline structure suitable for urinary stone surgery according to claim 1, characterized in that: The main pipe is made of PVC.

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