Stone taking-out sheathing canal device with broken stone collecting mesh bag structure

Abstract

The utility model provides a sheathing canal device with a broken stone collecting mesh bag structure for taking out stones. The sheathing canal device comprises a sheathing canal body, a negative pressure tube is fixedly arranged at one end of the sheath tube body, a connecting tube is fixedly arranged on one side of the negative pressure tube, one end of the connecting tube is in threaded connection with a collecting barrel, a net bag for filtering stones is arranged in the collecting barrel, one end of the collecting barrel is in threaded connection with a first threaded cover, and a supporting assembly for supporting the net bag is arranged in the first threaded cover; according to the calculus extraction device, the net bag can be supported through the supporting assembly, the sealing performance between the net bag and the collecting barrel can be guaranteed, in the calculus extraction process, under the action of negative pressure, the sealing assembly can seal the communicating pipe, external air can be prevented from entering the sheath pipe body through the communicating pipe, calculus can flow along with body fluid, and the calculus extraction effect is improved. And the net bag can filter the calculus and prevent the calculus from being discharged along with the body fluid.

Description

TECHNICAL FIELD

[0001] The utility model relates to medical instrument technical field, specifically, relate to the calculus removal with sheath pipe device with stone collection net bag structure. BACKGROUND

[0002] Kidney stone is a common urological disease, is due to the component in urine forms stone deposition in kidney and causes a series of symptoms, mainly shows as painful, hematuria, dysuria etc., kidney stone mainly occurs in male, the incidence may be related to metabolic abnormalities, lifestyle and a variety of factors, kidney stone does soft lens operation and needs a ureteral stent, its purpose is to establish a working channel for ureter software.

[0003] The application number "202221536323.9" discloses a "stone collection bottle", which "includes a bottle body assembly and a filter piece detachably installed in the bottle body assembly, the bottle body assembly includes a bottle cap and a bottle body that are covered with each other, a negative pressure sheath connecting pipe and a switch valve for controlling the opening and closing of the negative pressure sheath connecting pipe are provided through the bottle cap, the negative pressure sheath connecting pipe is connected with a negative pressure sheath, a negative pressure source connecting pipe is provided through the bottom of the bottle body, and the negative pressure source connecting pipe is connected with a negative pressure source. The negative pressure source connecting pipe of the utility model has the function of liquid discharge at the same time, manual liquid discharge is not needed, the stone removal process is more convenient, and since the negative pressure sheath connecting pipe is arranged on the bottle cap and the negative pressure source connecting pipe is arranged at the bottom of the bottle body, i.e. on the upper and lower sides of the stone collection bottle respectively, waste liquid cannot backflow during suction and discharge, and the stone is prevented from being contaminated.

[0004] However, the above-mentioned method still has the following defects: the negative pressure source connecting pipe has the function of liquid discharge at the same time, manual liquid discharge is not needed, and the stone removal process is more convenient, but under the action of negative pressure, the stone is easily discharged with the body fluid, and it is not convenient to filter the stone. UTILITY MODEL CONTENTS

[0005] The technical problem to be solved by the utility model is to provide a sheath pipe device for removing stone with stone collection net bag structure, which can filter the stone and prevent the stone from being discharged with the body fluid.

[0006] The utility model provides a sheath pipe device for removing stone with stone collection net bag structure, including sheath pipe body, one end of sheath pipe body is equipped with negative pressure pipe, one side of negative pressure pipe is equipped with connecting pipe, one end of connecting pipe is equipped with collecting cylinder with screw thread, the inside of collecting cylinder is equipped with net bag that filters stone, one end of collecting cylinder is equipped with screw thread cover one with screw thread, the inside of screw thread cover one is equipped with support component that supports net bag, the middle part of screw thread cover one is equipped with communication pipe, one end of communication pipe is equipped with liquid discharge cylinder, one end of liquid discharge cylinder is equipped with screw thread cover two with screw thread, the inside of screw thread cover two is equipped with sealing component that prevents gas from entering communication pipe.

[0007] The utility model discloses a structure is adopted, and through the support assembly can provide support to the net bag, and can guarantee the leakproofness between the net bag and the collection cylinder, under the action of negative pressure in the process of extracting calculus, the sealing assembly can seal the communicating pipe, can prevent the outside gas from entering the inside of sheath pipe body through the communicating pipe, and the calculus can flow along with the body fluid, and the net bag can filter the calculus, can prevent the calculus from discharging along with the body fluid, and the calculus gravel is collected conveniently, and the body fluid can be discharged through the drainage cylinder after filtering, and the pressure of the body fluid can be transmitted to the sealing assembly in the drainage process, and the sealing assembly can open the communicating pipe under pressure, does not hinder the discharge of the body fluid, and the collection cylinder is connected with the connecting pipe and the screw cover no.

[0008] In a possible implementation, the support assembly comprises a support ring, a plurality of support rods are fixed on one side of the support ring, one end of the support rod is fixedly connected with the inner part of the screw cover no., one side of the net bag is fixedly connected with the inner part of the support ring, and a sealing ring is clamped and connected to the surface of the support ring.

[0009] In a possible implementation, a threaded pipe is fixedly arranged in the middle of the other end of the collection cylinder, a threaded connector is fixedly connected to one end of the connecting pipe, and the threaded part of the threaded pipe is threadedly connected with the inner wall of the threaded connector.

[0010] In a possible implementation, anti-skid grooves are arranged on the surface of the threaded connector, the surface of the screw cover no., and the surface of the screw cover no., and anti-skid convex strips are fixedly arranged on the surface of the collection cylinder.

[0011] In a possible implementation, an observation port is arranged on the surface of the collection cylinder, and a transparent observation window is fixedly arranged on one side of the observation port.

[0012] In a possible implementation, the sealing assembly comprises a bracket, one side of the bracket is fixedly connected with the inside of the second threaded cover, the middle of the other side of the bracket is slidingly connected with a guide column, the surface of the guide column is sleeved with a spring, one end of the guide column is fixedly provided with a sealing plate, one side of the sealing plate is clampedly connected with a sealing gasket, the other end of the guide column is fixedly connected with a baffle; the bracket can guide the guide column, the guide column can limit the spring, the spring can be prevented from falling off, the spring can support the sealing plate, the sealing plate can be attached to the drainage cylinder, under the action of the sealing gasket, the drainage end of the connecting pipe can be blocked, under the action of negative pressure, external gas can be prevented from entering the inside of the sheath body through the connecting pipe, after the body fluid enters the connecting pipe, the spring can be compressed through the sealing plate under the action of hydraulic pressure, so that the sealing plate can be pushed, and the body fluid can be discharged through the drainage cylinder.

[0013] In a possible implementation, the middle of one side of the sealing plate is fixedly provided with a plug, the plug is located in the inside of the connecting pipe, and the middle of one side of the second threaded cover is fixedly provided with a drainage pipe coaxial with the connecting pipe; the plug is inserted into the inside of the connecting pipe, the stability of the sealing plate can be maintained, and the body fluid in the inside of the drainage cylinder can be discharged through the drainage pipe.

[0014] In a possible implementation, one end of the negative pressure pipe is fixedly connected with a negative pressure source connector, and the other end of the sheath body is fixedly connected with a guide pipe; the negative pressure source connector facilitates connection of the negative pressure pipe with a negative pressure source, the negative pressure pipe can be in a negative pressure state, and the body fluid can be guided through the guide pipe. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is one of structural schematic views of the utility model.

[0016] Figure 2 It is the second structural schematic view of the utility model.

[0017] Figure 3 It is a structural schematic view of the collecting cylinder of the utility model.

[0018] Figure 4 It is an exploded structural schematic view of the collecting cylinder of the utility model.

[0019] Figure 5 It is a structural schematic view of the supporting assembly of the utility model.

[0020] Figure 6 It is a structural schematic view of the inside of the drainage cylinder of the utility model.

[0021] Figure 7 It is a structural schematic view of the sealing assembly of the utility model.

[0022] Wherein:

[0023] 1-sheath body; 2-guide tube; 3-negative pressure tube; 4-connection tube; 5-threaded joint; 6-threaded tube; 7-collection cylinder; 8-negative pressure source joint; 9-support assembly; 901-support ring; 902-support rod; 903-sealing ring; 10-threaded cover one; 11-net bag; 12-communication tube; 13-drainage cylinder; 14-threaded cover two; 15-sealing assembly; 1501-bracket; 1502-guide column; 1503-spring; 1504-sealing plate; 1505-sealing gasket; 1506-plug; 1507-flap; 16-drainage tube; 17-anti-skid groove; 18-anti-skid convex strip; 19-transparent observation window. DETAILED DESCRIPTION

[0024] First, those skilled in the art should understand that the embodiments are only used to explain the technical principles of the embodiments of the present application, and are not intended to limit the protection scope of the embodiments of the present application. Those skilled in the art can adjust them as needed in order to adapt to specific application occasions.

[0025] In the description of the embodiments of the present application, it should be noted that, unless otherwise explicitly specified and limited, the terms "connected", "connected" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium. For those skilled in the art, the specific meaning of the above terms in the embodiments of the present application can be understood according to specific circumstances.

[0026] In the embodiments of the present application, unless otherwise explicitly specified and limited, the first feature is "on" or "under" the second feature. The first and second features can be in direct contact, or the first and second features can be in indirect contact through an intermediate medium. Moreover, the first feature "above", "over" and "on" the second feature can be that the first feature is directly above or obliquely above the second feature, or it only means that the horizontal height of the first feature is higher than that of the second feature. The first feature "below", "under" and "under" the second feature can be that the first feature is directly below or obliquely below the second feature, or it only means that the horizontal height of the first feature is less than that of the second feature.

[0027] The present application will be further described in detail below in combination with the drawings and specific embodiments.

[0028] Reference Figures 1-7As shown, the embodiment of the present application discloses a stone removal sheath device with a stone collection net bag structure, which comprises a sheath body 1; one end of the sheath body 1 is fixedly provided with a negative pressure pipe 3, one side of the negative pressure pipe 3 is fixedly provided with a connecting pipe 4, one end of the connecting pipe 4 is threadedly connected with a collection cylinder 7, the inside of the collection cylinder 7 is provided with a mesh bag 11 for filtering stones, one end of the collection cylinder 7 is threadedly connected with a threaded cover I 10, the inside of the threaded cover I 10 is provided with a supporting assembly 9 for supporting the mesh bag 11, the middle of the threaded cover I 10 is fixedly provided with a communication pipe 12, one end of the communication pipe 12 is fixedly provided with a liquid discharge cylinder 13, one end of the liquid discharge cylinder 13 is threadedly connected with a threaded cover II 14, the inside of the threaded cover II 14 is provided with a sealing assembly 15 for preventing gas from entering the communication pipe 12; when the sheath body 1 is used to extract body fluid, the sealing assembly 15 can seal the liquid outlet end of the communication pipe 12, so as to prevent external air from entering the inside of the sheath body 1, under the action of negative pressure, stones can flow with the body fluid, after the body fluid enters the inside of the collection cylinder 7, the mesh bag 11 in the inside of the collection cylinder 7 can filter the stones, so as to prevent the stones from being discharged with the body fluid, that is, the stones can be collected, after the body fluid is filtered, the pressure is transmitted to the sealing assembly 15, so as to open the communication pipe 12, the body fluid can be discharged through the liquid discharge cylinder 13, during the liquid discharge process, when the stones need to be taken out, the threaded cover I 10 is loosened, the mesh bag 11 is taken out, and the stones can be cleaned.

[0029] Again refer to Figure 5 As shown, the supporting assembly 9 comprises a supporting ring 901, a plurality of supporting rods 902 are fixedly arranged on one side of the supporting ring 901, one end of the supporting rod 902 is fixedly connected with the inside of the threaded cover I 10, one side of the mesh bag 11 is fixedly connected with the inside of the supporting ring 901, a sealing ring 903 is clamped and connected to the surface of the supporting ring 901, by placing the supporting ring 901 into the inside of the collection cylinder 7 and tightening the threaded cover I 10, the threaded cover I 10 can support the mesh bag 11 through the supporting rod 902 and the supporting ring 901, and the sealing ring 903 can seal between the supporting ring 901 and the collection cylinder 7.

[0030] Again refer to Figures 6-7As shown, the sealing assembly 15 includes a bracket 1501, one side of the bracket 1501 is fixedly connected with the inside of the threaded cover two 14, the middle of the other side of the bracket 1501 is slidingly connected with a guide column 1502, the surface of the guide column 1502 is sleeved with a spring 1503, one end of the guide column 1502 is fixedly provided with a sealing plate 1504, one side of the sealing plate 1504 is clampingly connected with a sealing gasket 1505, the other end of the guide column 1502 is fixedly connected with a baffle 1507, the middle of one side of the sealing plate 1504 is fixedly provided with a plug 1506, the plug 1506 is located in the inside of the communication pipe 12, the middle of one side of the threaded cover two 14 is fixedly provided with a drainage pipe 16 coaxial with the communication pipe 12; by screwing the threaded cover two 14, the bracket 1501 is pushed into the inside of the drainage cylinder 13, the bracket 1501 can guide the guide column 1502, the guide column 1502 can limit the spring 1503, the spring 1503 can support the sealing plate 1504, so that it is attached to the inner wall of the drainage cylinder 13, under the action of the sealing gasket 1505, the drainage end of the communication pipe 12 can be blocked, when the body fluid is extracted by negative pressure, the external gas can be prevented from entering the inside of the sheath pipe body 1 through the communication pipe 12, after the body fluid enters the communication pipe 12, the liquid pressure can be transmitted to the sealing plate 1504, the sealing plate 1504 can compress the spring 1503, so as to push the sealing plate 1504 to displace, that is, the body fluid can be discharged through the drainage cylinder 13.

[0031] Referring again to Figures 3-4 As shown, the middle of the other end of the collecting cylinder 7 is fixedly provided with a threaded pipe 6, one end of the connecting pipe 4 is fixedly connected with a threaded connector 5, the threaded part of the threaded pipe 6 is threadedly connected with the inner wall of the threaded connector 5, the threaded pipe 6 and the threaded connector 5 can be used to install and disassemble the collecting cylinder 7, the surface of the threaded connector 5, the surface of the threaded cover one 10 and the surface of the threaded cover two 14 are all provided with anti-skid grooves 17, the surface of the collecting cylinder 7 is fixedly provided with anti-skid convex strips 18, the surface of the collecting cylinder 7 is provided with an observation port, one side of the observation port is fixedly provided with a transparent observation window 19, during the drainage process, the inside of the collecting cylinder 7 can be observed through the transparent observation window 19.

[0032] Referring again to Figures 1-2 As shown, one end of the negative pressure pipe 3 is fixedly connected with a negative pressure source connector 8, the other end of the sheath pipe body 1 is fixedly connected with a guide pipe 2; the negative pressure source connector 8 can be used to connect the negative pressure pipe 3 with a negative pressure source, the negative pressure source can make the inside of the negative pressure pipe 3 in a negative pressure state, the guide pipe 2 can be used to guide the body fluid and the calculus.

[0033] The above is merely a specific implementation of the present application, but the protection scope of the present application is not limited to this, any person skilled in the art can easily think of changes or replacements within the technical range disclosed in the present application, which should be covered in the protection scope of the present application. Therefore, the protection scope of the present application should be subject to the protection scope of the claims.

Claims

1. A lithotomy sheath device having a stone collection net bag structure, comprising a sheath body (1); characterized in that: One end of the sheath body (1) is fixedly provided with a negative pressure pipe (3), one side of the negative pressure pipe (3) is fixedly provided with a connecting pipe (4), one end of the connecting pipe (4) is threadedly connected with a collecting cylinder (7), the inside of the collecting cylinder (7) is provided with a mesh bag (11) for filtering stones, one end of the collecting cylinder (7) is threadedly connected with a threaded cover I (10), the inside of the threaded cover I (10) is provided with a supporting assembly (9) for supporting the mesh bag (11), the middle of the threaded cover I (10) is fixedly provided with a communication pipe (12), one end of the communication pipe (12) is fixedly provided with a liquid discharge cylinder (13), one end of the liquid discharge cylinder (13) is threadedly connected with a threaded cover II (14), the inside of the threaded cover II (14) is provided with a sealing assembly (15) for preventing gas from entering the communication pipe (12).

2. The stone extraction sheath device having a stone collection net bag structure according to claim 1, characterized by: The supporting assembly (9) comprises a supporting ring (901), a plurality of supporting rods (902) are fixedly arranged on one side of the supporting ring (901), one end of each supporting rod (902) is fixedly connected with the inside of the threaded cover I (10), one side of the mesh bag (11) is fixedly connected with the inside of the supporting ring (901), and a sealing ring (903) is clampedly connected to the surface of the supporting ring (901).

3. The stone extraction sheath device having a stone collection net bag structure according to claim 1, characterized by: The middle of the other end of the collecting cylinder (7) is fixedly provided with a threaded pipe (6), one end of the connecting pipe (4) is fixedly connected with a threaded connector (5), and the threaded part of the threaded pipe (6) is threadedly connected with the inner wall of the threaded connector (5).

4. The stone extraction sheath device having a stone collection net bag structure according to claim 3, characterized by: Anti-skid grooves (17) are arranged on the surfaces of the threaded connector (5), the threaded cover I (10) and the threaded cover II (14), and anti-skid convex strips (18) are fixedly arranged on the surface of the collecting cylinder (7).

5. The stone extraction sheath device having a stone collection net bag structure according to claim 1, characterized by: An observation port is arranged on the surface of the collecting cylinder (7), and a transparent observation window (19) is fixedly arranged on one side of the observation port.

6. The stone extraction sheath device having a stone collection net bag structure according to claim 1, characterized by: The sealing assembly (15) comprises a support (1501), one side of the support (1501) is fixedly connected with the inside of the threaded cover II (14), the middle of the other side of the support (1501) is slidably connected with a guide column (1502), the surface of the guide column (1502) is sleeved with a spring (1503), one end of the guide column (1502) is fixedly provided with a sealing plate (1504), one side of the sealing plate (1504) is clampedly connected with a sealing gasket (1505), and the other end of the guide column (1502) is fixedly connected with a baffle (1507).

7. The stone extraction sheath device having a stone collection net bag structure according to claim 6, characterized by: The middle of one side of the sealing plate (1504) is fixedly provided with a plug (1506), the plug (1506) is located in the inside of the communication pipe (12), and the middle of one side of the threaded cover II (14) is fixedly provided with a liquid discharge pipe (16) which is coaxial with the communication pipe (12).

8. The stone extraction sheath device having a stone collection net bag structure according to claim 1, characterized by: One end of the negative pressure pipe (3) is fixedly connected with a negative pressure source connector (8), and the other end of the sheath body (1) is fixedly connected with a guide pipe (2).

Images