Calculus removing device

Abstract

The stone removing device comprises an installation frame and a servo motor, a holding sleeve is fixedly arranged in the middle of the upper surface of the installation frame, the servo motor is fixedly installed on the portion, inside the holding sleeve, of the upper surface of the installation frame, and the lower end of an output shaft of the servo motor is fixedly connected with a main bevel gear. A transmission rod is movably connected to the inner wall of the mounting frame, sleeves are arranged on the outer walls of the two ends of the transmission rod in a sleeving mode, clamping arms are fixedly connected to the lower surfaces of the sleeves, rubber sleeves are arranged on the outer walls of the clamping arms in a sleeving mode, clamping sleeves are fixedly mounted on the outer walls of the upper ends of the sides of the rubber sleeves, and positioning arms are fixedly connected to the outer walls of the clamping arms on the sides of the clamping sleeves; limiting mechanisms are arranged on the inner walls of the lower ends of the positioning arms. The calculus removing device is convenient for automatically clamping calculus, so that the use convenience of the device is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of medical equipment, in particular to a stone removal device. Background Art

[0002] Hepatobiliary surgery is a common department in hospitals. It mainly studies and treats liver and gallbladder related diseases, such as the research and treatment of hepatobiliary stones. With the continuous research of medical staff on diseases related to hepatobiliary stones, the treatment methods of hepatobiliary stones have become diverse. The commonly used treatment method for hepatobiliary stones is surgery, which is a method in which medical staff cut open human tissue and use a stone removal device to remove stones from the human body.

[0003] However, the existing stone removal device has the following problems when used:

[0004] For example, a new clinical lithotripter for hepatobiliary surgery with announcement number CN216455185U and authorization announcement date 20220510 can remove stones, but the degree of automation of the device is insufficient, and the user needs to manually operate the device to clamp the stones, which makes the stone removal device insufficiently convenient to use and easily increases the burden on users.

[0005] In view of the above problems, it is urgent to carry out innovative design based on the original stone removal device. Utility Model Content

[0006] The purpose of the utility model is to provide a stone removal device to solve the problem that the existing stone removal device is not sufficiently automated, thus making the device inconvenient to use.

[0007] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a stone removal device, comprising a mounting frame and a servo motor, a grip sleeve is fixedly arranged in the middle of the upper surface of the mounting frame, and a servo motor is fixedly arranged on the upper surface of the mounting frame inside the grip sleeve, and the lower end of the servo motor output shaft is fixedly connected to the main bevel gear, and a transmission rod is movably connected to the inner wall of the mounting frame, and sleeves are sleeved on the outer walls of both ends of the transmission rod, and a clamping arm is fixedly connected to the lower surface of the sleeve, and a rubber sleeve is sleeved on the outer wall of the clamping arm, a clamping sleeve is fixedly arranged on the upper outer wall of the side of the rubber sleeve, and a positioning arm is fixedly connected to the outer wall of the clamping arm on the side of the clamping sleeve, and a limiting mechanism is arranged on the lower inner wall of the positioning arm.

[0008] Preferably, the outer wall of the transmission rod on the side of the main bevel gear is fixedly connected with a secondary bevel gear, and the secondary bevel gear is meshed with the main bevel gear, and the transmission rod and the mounting frame form a rotating structure.

[0009] Preferably, the transmission rod and the sleeve are threadedly connected, and the directions of the threads arranged on the outer wall of the transmission rod are symmetrically distributed about the longitudinal center axis of the installation frame, and the installation frame and the clamping arm are slidably arranged.

[0010] Preferably, the clamp arm and the rubber sleeve are slidably connected, and the cross-sectional shape of the lower end of the rubber sleeve is set to be an arc shape, and the side surface of the lower end of the rubber sleeve away from the clamping sleeve is rough.

[0011] Preferably, the limiting mechanism comprises a clamping rod, a positioning ring and a spring, and the clamping rod is movably mounted on the inner wall of the lower end of the positioning arm, and the end of the clamping rod is fixedly connected to the positioning ring, and the positioning ring is connected to the positioning arm through the spring.

[0012] Preferably, the clamping rod is slidably connected to the positioning arm and the clamping sleeve respectively, and the clamping sleeve and the positioning ring are fitted together.

[0013] Compared with the prior art, the beneficial effects of the utility model are: the stone removal device is convenient for automatically clamping stones, thereby improving the convenience of using the device;

[0014] The main bevel gear is driven to rotate by the servo motor, so that the main bevel gear drives the secondary bevel gear to rotate, and then the transmission rod is driven by the secondary bevel gear, so that the sleeve moves toward each other simultaneously along the transmission rod, and then the clamping arm is driven by the sleeve, so that the clamping arm drives the rubber sleeve to fit tightly against the stone, thereby completing the automatic clamping of the stone and improving the ease of use of the device. Then, the clamping rod is moved to disengage from the clamping sleeve, making it convenient for the user to move the rubber sleeve out of the clamping arm and disassemble the rubber sleeve, thereby facilitating the user to fully clean the rubber sleeve to prevent bacteria from growing on the rubber sleeve and affecting the reuse of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a schematic diagram of the front section structure of the utility model;

[0016] Figure 2 This is a schematic diagram of the side section structure of the rubber sleeve of the utility model;

[0017] Figure 3 For this utility model Figure 1 The enlarged structural diagram at A in the middle;

[0018] Figure 4 For this utility model Figure 1 Enlarged structural diagram at B in the middle.

[0019] In the figure: 1. mounting frame; 2. grip sleeve; 3. servo motor; 4. main bevel gear; 5. transmission rod; 6. secondary bevel gear; 7. sleeve; 8. clamping arm; 9. rubber sleeve; 10. clamping sleeve; 11. positioning arm; 12. limiting mechanism; 1201. clamping rod; 1202. positioning ring; 1203. spring. DETAILED DESCRIPTION

[0020] 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. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. 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.

[0021] See also Figure 1-4 The utility model provides a technical solution: a stone removal device, including an installation frame 1, a grip sleeve 2, a servo motor 3, a main bevel gear 4, a transmission rod 5, a secondary bevel gear 6, a sleeve 7, a clamping arm 8, a rubber sleeve 9, a clamping sleeve 10, a positioning arm 11, a limiting mechanism 12, a clamping rod 1201, a positioning ring 1202 and a spring 1203, a grip sleeve 2 is fixedly arranged in the middle of the upper surface of the installation frame 1, and a servo motor 3 is fixedly installed on the upper surface of the installation frame 1 inside the grip sleeve 2, and the servo The lower end of the output shaft of the servo motor 3 is fixedly connected with the main bevel gear 4, and the inner wall of the mounting frame 1 is movably connected with a transmission rod 5, the outer walls of both ends of the transmission rod 5 are sleeved with sleeves 7, and the lower surface of the sleeve 7 is fixedly connected with a clamping arm 8, and the outer wall of the clamping arm 8 is sleeved with a rubber sleeve 9, the upper outer wall of the rubber sleeve 9 is fixedly installed with a clamping sleeve 10, and the outer wall of the clamping arm 8 on the side of the clamping sleeve 10 is fixedly connected with a positioning arm 11, and a limiting mechanism 12 is provided on the lower inner wall of the positioning arm 11.

[0022] The outer wall of the transmission rod 5 on the side of the main bevel gear 4 is fixedly connected with the secondary bevel gear 6, and the secondary bevel gear 6 is meshed with the main bevel gear 4, and the transmission rod 5 and the mounting frame 1 form a rotating structure, which is convenient for the servo motor 3 to drive the main bevel gear 4 to rotate, so that the main bevel gear 4 drives the secondary bevel gear 6, and the secondary bevel gear 6 drives the transmission rod 5 to rotate relative to the mounting frame 1.

[0023] The transmission rod 5 and the sleeve 7 are threadedly connected, and the direction of the thread set on the outer wall of the transmission rod 5 is symmetrically distributed about the longitudinal center axis of the mounting frame 1, and the mounting frame 1 and the clamping arm 8 are slidably arranged, so that as the transmission rod 5 rotates, the sleeve 7 moves toward or oppositely along the transmission rod 5 at the same time, so that the sleeve 7 drives the clamping arm 8 to slide relative to the mounting frame 1, so that the device automatically clamps the stone.

[0024] The clamp arm 8 and the rubber sleeve 9 are slidably connected, and the cross-section of the lower end of the rubber sleeve 9 is set to be an arc shape, and the side surface of the lower end of the rubber sleeve 9 away from the clamping sleeve 10 is rough, which is convenient for users to move the rubber sleeve 9 for disassembly and assembly, and avoid the rubber sleeve 9 from damaging the human body, and at the same time facilitates improving the stability of the rubber sleeve 9 when clamping stones.

[0025] The limiting mechanism 12 includes a clamping rod 1201, a positioning ring 1202 and a spring 1203, and the clamping rod 1201 is movably installed on the inner wall of the lower end of the positioning arm 11, and the end of the clamping rod 1201 is fixedly connected with the positioning ring 1202, and the positioning ring 1202 is connected to the positioning arm 11 through the spring 1203, so that the rubber sleeve 9 is stably connected to the clamping arm 8 through the limiting mechanism 12, and the positioning ring 1202 is elastically supported by the spring 1203, so that the positioning ring 1202 drives the clamping rod 1201 to be stably inserted in the clamping sleeve 10.

[0026] The clamping rod 1201 is slidably connected to the positioning arm 11 and the clamping sleeve 10 respectively, and the clamping sleeve 10 and the positioning ring 1202 are arranged in a close fit, so that the user can move the clamping rod 1201 out of the clamping sleeve 10 to remove the rubber sleeve 9.

[0027] Working principle: When using the stone removal device, first Figure 1-2 and Figure 4 As shown, the user holds the grip sleeve 2 with his hand, and then moves the device to drive the clamping arm 8 to move to the two sides of the stone in the patient's body, and then the user starts the servo motor 3, and then the servo motor 3 drives the main bevel gear 4 to rotate, and then the main bevel gear 4 drives the secondary bevel gear 6 to rotate, and then the secondary bevel gear 6 drives the transmission rod 5 to rotate relative to the installation frame 1, and then the sleeve 7 moves toward each other along the transmission rod 5 at the same time, and then the sleeve 7 drives the clamping arm 8 to slide relative to the installation frame 1, and then the clamping arm 8 drives the rubber sleeve 9 to move and fit the stone, so that the device automatically clamps the stone, which improves the convenience of using the device, and then the user moves the device away from the patient to complete the stone removal of the device. When the device is used, as shown in FIG. Figure 1-4 As shown, the user turns off the servo motor 3, and then the user pulls the clamping rod 1201, and then the clamping rod 1201 moves relative to the positioning arm 11 to disengage from the clamping sleeve 10, and as the clamping rod 1201 moves, the positioning ring 1202 drives the spring 1203 to deform, and then the user moves the rubber sleeve 9 down to disengage from the clamping arm 8, thereby completing the disassembly of the rubber sleeve 9, making it convenient for the user to fully clean the rubber sleeve 9 to prevent the rubber sleeve 9 from breeding bacteria and affecting the reuse of the device.

[0028] Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art may still modify the technical solutions described in the aforementioned embodiments, or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention shall be included in the protection scope of the present invention.

Claims

1. A stone removal device, comprising a mounting frame (1) and a servo motor (3), characterized in that: A grip sleeve (2) is fixedly arranged in the middle of the upper surface of the installation frame (1), and a servo motor (3) is fixedly installed on the upper surface of the installation frame (1) inside the grip sleeve (2), and the lower end of the output shaft of the servo motor (3) is fixedly connected to the main bevel gear (4), and the inner wall of the installation frame (1) is movably connected to a transmission rod (5), and the outer walls of both ends of the transmission rod (5) are sleeved with sleeves (7), and the lower surface of the sleeve (7) is fixedly connected to a clamping arm (8), and the outer wall of the clamping arm (8) is sleeved A rubber sleeve (9) is provided, a clamping sleeve (10) is fixedly installed on the upper outer wall of the side of the rubber sleeve (9), and a positioning arm (11) is fixedly connected to the outer wall of the clamping arm (8) on the side of the clamping sleeve (10), and a limiting mechanism (12) is provided on the lower inner wall of the positioning arm (11), and a secondary bevel gear (6) is fixedly connected to the outer wall of the transmission rod (5) on the side of the main bevel gear (4), and the secondary bevel gear (6) and the main bevel gear (4) are meshed, and the transmission rod (5) and the mounting frame (1) form a rotating structure.

2. A stone removal device according to claim 1, characterized in that: The transmission rod (5) and the sleeve (7) are threadedly connected, and the direction of the thread arranged on the outer wall of the transmission rod (5) is symmetrically distributed about the longitudinal center axis of the installation frame (1), and the installation frame (1) and the clamping arm (8) are slidably arranged.

3. A stone removal device according to claim 1, characterized in that: The clamp arm (8) and the rubber sleeve (9) are slidably connected, and the cross-sectional shape of the lower end of the rubber sleeve (9) is set to be an arc shape, and the side surface of the lower end of the rubber sleeve (9) away from the clamping sleeve (10) is rough.

4. A stone removal device according to claim 1, characterized in that: The limiting mechanism (12) comprises a clamping rod (1201), a positioning ring (1202) and a spring (1203), wherein the clamping rod (1201) is movably mounted on the inner wall of the lower end of the positioning arm (11), and the end of the clamping rod (1201) is fixedly connected to the positioning ring (1202), and the positioning ring (1202) is connected to the positioning arm (11) via the spring (1203).

5. A stone removal device according to claim 4, characterized in that: The clamping rod (1201) is slidably connected to the positioning arm (11) and the clamping sleeve (10), respectively, and the clamping sleeve (10) and the positioning ring (1202) are arranged in a close fit.

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