Double-hook type intracavity stone extractor

Abstract

The utility model relates to the technical field of calculus removing tools, and discloses a double-hook type intracavity calculus removing device which comprises an outer pipe, the top face of the outer pipe is fixedly connected with a connecting pipe, one side of the surface of the connecting pipe is fixedly connected with an auxiliary pipe and a placing pipe, the interior of the auxiliary pipe is fixedly connected with a fixing assembly, and the placing pipe is fixedly connected with the fixing assembly. A stone removing assembly is slidably connected to the interior of the containing pipe, an adjusting pipe is fixedly connected to one end of the connecting pipe, a pushing assembly is fixedly connected to the inner top wall of the adjusting pipe, and a double-hook assembly is fixedly connected to one end of the pushing assembly. According to the double-hook type intracavity stone extractor, through the arrangement of the pushing assembly and the double-hook assembly, when the double-hook type intracavity stone extractor is used, an adjusting column is pushed according to the sizes of stones, so that a supporting rod pushes a left hook and a right hook out of a cavity, an adjusting spring between the left hook and the right hook plays a role in dispersing the distance, making a frosted layer make contact with the stones and increasing friction force, and therefore the stones of different sizes are hooked; and the stone removing integrity and efficiency are improved.

Description

Technical Field

[0001] The utility model relates to the technical field of stone removal tools, in particular to a double-hook type intracavitary stone removal device. Background Art

[0002] Digestive endoscopes are a group of devices that obtain images directly through the digestive tract or obtain ultrasound or X-ray images of the digestive tract and digestive organs through devices equipped with ultrasound and X-rays to diagnose and treat digestive system diseases. According to the properties of the endoscopes used for examination, they can be divided into esophagoscopes, gastroscopes, duodenoscopes, colonoscopes, small intestinal endoscopes, endoscopic ultrasound, capsule endoscopes, choledochoscopes (including mother-and-child endoscopes), pancreatoscopes and laparoscopes, as well as laser confocal endoscopes; according to the examination site and function, they can be divided into upper gastrointestinal endoscopes, lower gastrointestinal endoscopes, endoscopic retrograde cholangiopancreatography (ERCP) and endoscopic ultrasound; according to clinical application, they can be divided into diagnostic digestive endoscopes and therapeutic digestive endoscopes. In the digestive system, gastric stones are relatively common. We need to remove the stones in the stomach, and we need to use stone removal tools.

[0003] Most of the prior art tools are stone removal baskets or stone removal forceps. During the stone removal process, the stone removal basket is not convenient for extracting larger stones.

[0004] After searching the existing patent: A lithotripter for gastroenterology (publication number: CN218451640U), the utility model provides a lithotripter for gastroenterology, including an operating handle and an outer sheath pipe detachably mounted on one side of the operating handle, and a net basket arranged on the outer sheath pipe, wherein a metal wire is arranged in the inner cavity of the outer sheath pipe, and one end of the metal wire is connected to the net basket. One side of the metal wire on the outer sheath pipe is detachably connected to the clamping assembly through a clamping rod, and the handle tube is threadedly connected to the cover on the outer sheath pipe, so that the outer sheath pipe and the net basket can be detachably mounted on the operating handle, which is convenient for the reuse of the operating handle, reduces resource waste and reduces equipment costs. The clamping assembly controls the movement of the ball through the clamping cylinder, so that when the clamping rod is inserted into the rod slot, the ball can be clamped into the clamping slot to fix the clamping rod. After the clamping rod is fixed to the clamping assembly, the sliding handle tube is connected to the cover.

[0005] Although the above patent has achieved convenient connection and reduced waste of resources, during the stone removal process, the pipes need to be fixed and the medical staff need to fix them by hand, which is not convenient for increasing the stone removal speed and reducing the waste of medical resources.

[0006] Therefore, it is necessary to invent a double-hook intracavitary lithotripsy to solve the above problems. Utility Model Content

[0007] 1. Technical issues to be resolved

[0008] The technical problem solved by the utility model is to provide a double-hook intracavitary lithotripter which is highly practical, can be simply operated and has a relatively simple structure, thereby solving the problem in the above-mentioned background technology that the pipeline cannot be fixed during the lithotripsy process.

[0009] (II) Technical solution

[0010] To achieve the above purpose, the utility model is implemented through the following technical solutions: a double-hook type intracavitary stone extractor, comprising an outer tube, the top surface of the outer tube is fixedly connected with a connecting tube, one side of the surface of the connecting tube is fixedly connected with an auxiliary tube and a placement tube, the interior of the auxiliary tube is fixedly connected with a fixing component, the interior of the placement tube is slidably connected with a stone extracting component, one end of the connecting tube is fixedly connected with an adjustment tube, the inner top wall of the adjustment tube is fixedly connected with a pushing component, one end of the pushing component is fixedly connected with a double-hook component, four cavities are opened inside the outer tube, and the bottom surface of the outer tube is fixedly connected with a miniature camera;

[0011] The fixing assembly comprises an inflatable tube fixedly connected to the inside of the auxiliary tube, one end of the inflatable tube is connected to an air bag, one end of the inflatable tube is connected to a pinch ball, and the air bag is sleeved on the surface of the outer tube.

[0012] As a further solution of the utility model, the pushing assembly includes a return spring fixedly connected to the top wall of the adjustment tube, one end of the return spring is fixedly connected to an adjustment column, the interior of the adjustment column is fixedly connected to a support rod, and the support rod facilitates the connection of the double hook assembly.

[0013] As a further solution of the utility model, the double hook assembly includes a left hook and a right hook fixedly connected to one end of the push assembly support rod, the inner walls of the left hook and the right hook are fixedly connected with an adjustment spring, and the surfaces of the left hook and the right hook are fixedly connected with a frosted layer, which is convenient for increasing friction and preventing stones from falling.

[0014] As a further solution of the utility model, a slide groove is provided on the surface of the adjustment tube, and the slide groove is matched with the adjustment column, and the slide groove is convenient for adjusting the entry length of the support rod.

[0015] As a further solution of the utility model, a flushing port is fixedly connected to the other side of the connecting tube, and a flushing tube is fixedly connected to the inside of the flushing port. The flushing tube is convenient for flushing the cavity, so that medical staff can better observe the stones.

[0016] (III) Beneficial effects

[0017] The utility model provides a double-hook intracavitary stone extractor, which has the following beneficial effects:

[0018] 1. The double-hook intracavitary lithotripter is provided with a fixing component. When in use, the outer tube is inserted into the cavity, the micro camera determines the position of the stone, and the squeezing ball is pressed to inflate the airbag so that the airbag sticks to the inner wall of the cavity and fixes the outer tube, thereby fixing the lithotripter and freeing the hands of medical staff to avoid manual fixation by medical staff during the stone removal process, thereby reducing the waste of medical resources and increasing the speed of stone removal.

[0019] 2. The double-hook intracavitary stone remover, through the setting of the pushing component and the double-hook component, when in use, according to the size of the stone, push the adjustment column so that the support rod pushes the left hook and the right hook out of the cavity, and the adjustment spring between the left hook and the right hook serves to disperse the distance, and the frosted layer contacts the stone to increase the friction, thereby hooking stones of different sizes and improving the integrity and efficiency of stone removal. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0021] Figure 2 This is a schematic diagram of the structure of the stone removal component of the utility model;

[0022] Figure 3 This is a schematic diagram of the structure of the propulsion assembly of the utility model;

[0023] Figure 4 This is a schematic diagram of the structure of the fixed component of the utility model;

[0024] Figure 5 This is a schematic diagram of the structure of the flushing pipe of the utility model;

[0025] Figure 6 This is a schematic diagram of the outer tube structure of the utility model.

[0026] In the figure: 1. outer tube; 2. connecting tube; 3. auxiliary tube; 4. placement tube; 5. fixing assembly; 501. inflation tube; 502. air bag; 503. pinch ball; 6. stone removal assembly; 601. pull rod; 602. stone removal mesh; 603. fixing head; 604. stone removal basket; 7. adjustment tube; 8. pushing assembly; 801. reset spring; 802. adjustment column; 803. support rod; 9. double hook assembly; 901. left hook; 902. right hook; 903. adjustment spring; 904. frosted layer; 10. micro camera; 11. flushing port; 12. flushing tube. DETAILED DESCRIPTION

[0027] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0028] See also Figures 1 to 6 The utility model provides a technical solution: a double-hook intracavitary lithotripter, comprising an outer tube 1, a connecting tube 2 is fixedly connected to the top surface of the outer tube 1, an auxiliary tube 3 and a placement tube 4 are fixedly connected to one side of the surface of the connecting tube 2, and a fixing component 5 is fixedly connected to the inside of the auxiliary tube 3. Through the setting of the fixing component 5, when in use, the outer tube 1 is inserted into the cavity, the micro camera 10 determines the position of the stone, the kneading ball 503 is pressed, the airbag 502 is inflated, so that the airbag 502 sticks to the inner wall of the cavity, and the outer tube 1 is fixed, so as to fix the lithotripter, free the hands of medical staff, avoid the need for manual fixation by medical staff during the stone removal process, reduce the waste of medical resources, and improve the speed of stone removal. A stone removal component 6 is slidably connected, one end of the connecting tube 2 is fixedly connected to an adjustment tube 7, and the inner top wall of the adjustment tube 7 is fixedly connected to a pushing component 8. Through the arrangement of the pushing component 8 and the double hook component 9, when in use, according to the size of the stone, the adjustment column 802 is pushed so that the support rod 803 pushes the left hook 901 and the right hook 902 out of the cavity, and the adjustment spring 903 between the left hook 901 and the right hook 902 serves to disperse the spacing, and the frosted layer 904 contacts the stone to increase the friction, thereby hooking stones of different sizes and improving the integrity and efficiency of stone removal. One end of the pushing component 8 is fixedly connected to the double hook component 9, four cavities are opened inside the outer tube 1, and a miniature camera 10 is fixedly connected to the bottom surface of the outer tube 1;

[0029] See also Figure 4 The fixing component 5 includes an inflatable tube 501 fixedly connected to the inside of the auxiliary tube 3, one end of the inflatable tube 501 is connected to an air bag 502, one end of the inflatable tube 501 is connected to a pinch ball 503, and the air bag 502 is sleeved on the surface of the outer tube 1. Through the setting of the fixing component 5, the outer tube 1 is fixed;

[0030] See also Figure 3 The pushing component 8 includes a return spring 801 fixedly connected to the inner top wall of the adjustment tube 7, one end of the return spring 801 is fixedly connected to an adjustment column 802, and the interior of the adjustment column 802 is fixedly connected to a support rod 803, which plays a pushing role through the setting of the pushing component 8;

[0031] See also Figure 3 The double hook assembly 9 includes a left hook 901 and a right hook 902 fixedly connected to one end of the support rod 803 of the pushing assembly 8, the inner walls of the left hook 901 and the right hook 902 are fixedly connected with an adjustment spring 903, and the surfaces of the left hook 901 and the right hook 902 are fixedly connected with a frosted layer 904. The double hook assembly 9 is set to improve the completeness of stone removal;

[0032] See also Figure 2The surface of the adjustment tube 7 is provided with a slide groove, which is matched with the adjustment column 802. Through the setting of the adjustment tube 7, the distance of the support rod 803 entering the cavity is adjusted;

[0033] See also Figure 5 A flushing port 11 is fixedly connected to the other side of the connecting pipe 2, and a flushing pipe 12 is fixedly connected to the inside of the flushing port 11. The flushing pipe 12 is provided to achieve a flushing effect.

[0034] Embodiment 1:

[0035] See also Figure 2 The stone removal component 6 includes a pull rod 601 slidably connected to the inside of the placement tube 4, one end of the pull rod 601 is fixedly connected to a plurality of stone removal meshes 602, and the top surface of the stone removal meshes 602 is fixedly connected to a fixed head 603. The stone removal component 6 is arranged to facilitate the removal of stones;

[0036] Embodiment 2:

[0037] See also Figure 6 The stone removal component 6 includes a pull rod 601 slidably connected to the inside of the placement tube 4, one end of the pull rod 601 is fixedly connected to a stone removal basket 604, and one end of the stone removal basket 604 is fixedly connected to a fixed head 603. The setting of the stone removal basket 604 can prevent the double hook component 9 from dropping stones.

[0038] In the utility model, the working steps of the device are as follows:

[0039] Step 1: When in use, insert the outer tube 1 into the cavity, determine the location of the stone with the micro camera 10, press the kneading ball 503, inflate the airbag 502, and make the airbag 502 stick to the inner wall of the cavity to fix the outer tube 1;

[0040] The second step: when in use, according to the size of the stone, push the adjustment column 802 so that the support rod 803 pushes the left hook 901 and the right hook 902 out of the cavity, and the adjustment spring 903 between the left hook 901 and the right hook 902 serves to disperse the distance, and the frosted layer 904 contacts the stone to increase friction.

[0041] It should be noted that the equipment structure and drawings of the utility model mainly describe the principle of the utility model. In terms of the technology of the design principle, the settings of the power mechanism, power supply system and control system of the device are not fully described. On the premise that the technical personnel in this field understand the principle of the above utility model, the details of the power mechanism, power supply system and control system can be clearly known. The control method of the application document is automatic control through a controller, and the control circuit of the controller can be realized by simple programming by the technical personnel in this field;

[0042] The standard parts used therein can all be purchased from the market and can be customized according to the instructions and drawings. The specific connection methods of each part adopt conventional means such as mature bolts, rivets, welding, etc. in the prior art. The machinery, parts and equipment all adopt conventional models in the prior art, and the structures and principles of the components known to technical personnel in this field can be known by these technical personnel through technical manuals or through conventional experimental methods.

[0043] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A double-hook intracavitary stone extractor, comprising an outer tube (1), characterized in that: The top surface of the outer tube (1) is fixedly connected to a connecting tube (2), one side of the surface of the connecting tube (2) is fixedly connected to an auxiliary tube (3) and a placement tube (4), the interior of the auxiliary tube (3) is fixedly connected to a fixing component (5), the interior of the placement tube (4) is slidably connected to a stone removal component (6), one end of the connecting tube (2) is fixedly connected to an adjustment tube (7), the inner top wall of the adjustment tube (7) is fixedly connected to a pushing component (8), one end of the pushing component (8) is fixedly connected to a double hook component (9), four cavities are opened inside the outer tube (1), and the bottom surface of the outer tube (1) is fixedly connected to a micro camera (10); The fixing assembly (5) comprises an inflation tube (501) fixedly connected to the inside of the auxiliary tube (3), one end of the inflation tube (501) is connected to an air bag (502), one end of the inflation tube (501) is connected to a pinch ball (503), and the air bag (502) is sleeved on the surface of the outer tube (1).

2. A double-hook intracavitary stone extractor according to claim 1, characterized in that: The pushing assembly (8) comprises a return spring (801) fixedly connected to the inner top wall of the adjustment tube (7), one end of the return spring (801) is fixedly connected to an adjustment column (802), and the interior of the adjustment column (802) is fixedly connected to a support rod (803).

3. A double-hook intracavitary stone extractor according to claim 1, characterized in that: The double hook assembly (9) comprises a left hook (901) and a right hook (902) fixedly connected to one end of a support rod (803) of the pushing assembly (8); the inner walls of the left hook (901) and the right hook (902) are fixedly connected with an adjustment spring (903); and the surfaces of the left hook (901) and the right hook (902) are fixedly connected with a frosted layer (904).

4. The double-hook intracavitary stone extractor according to claim 1, characterized in that: A sliding groove is provided on the surface of the adjustment tube (7), and the sliding groove is adapted to fit the adjustment column (802).

5. The double-hook intracavitary stone extractor according to claim 1, characterized in that: The other side of the connecting pipe (2) is fixedly connected to a flushing port (11), and the interior of the flushing port (11) is fixedly connected to a flushing pipe (12).

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