Double-hook type intracavity stone extractor

Abstract

The utility model relates to the technical field of stone taking devices, and discloses a double-hook type intracavity stone taking device which comprises a cylinder body and a fixing frame, a hydraulic rod is fixedly connected to the upper side of the interior of the fixing frame, connecting blocks are fixedly connected to the two sides of the exterior of the fixing frame, and the connecting blocks are rotationally connected with first supporting rods through first connecting shafts; the output end of the hydraulic rod is fixedly connected with a supporting block, connecting grooves are formed in the two sides of the supporting block, the connecting grooves are rotationally connected with second supporting rods through second connecting shafts, the second supporting rods are rotationally connected into grooves through third connecting shafts, and the grooves are formed in the first supporting rods. According to the device, the use position of the clamping assembly can be adjusted, the clamping assembly can be collected, and the device has the automatic clamping function, so that it is ensured that operation conducted in a narrow space is safe and effective.

Description

Technical Field

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

[0002] In urology or digestive tract endoscopic surgery, in order to remove stones or foreign bodies in the patient's body, a lithotripter is used for minimally invasive surgery. The instrument is usually composed of a handle, a hook head, a rod and several other parts. Therefore, a double-hook intracavitary lithotripter is proposed.

[0003] In the prior art, a hollow column, a protective sleeve, a guide rod, a block, a spring, a connecting block, a cylinder, an interactive rod, a connecting block and a clamp are arranged. First, the index finger and the middle finger are inserted into the ring, and then the thumb is placed on the surface of the push plate. When removing the stone, the push plate is pressed with the thumb to drive the guide rod to push the connecting block, and the connecting block drives the movable rod, and the movable rod drives the connecting block to move, so that the clamp opens. When the stone is touched, the push plate is slowly released, so that the guide rod is pushed back in the hollow column by the spring and the block, and the clamp closes to clamp the stone at the same time, which is conducive to better observation and removal of the stone, reduces the distribution of stones that are difficult to observe, and improves the removal of stones by the device. The existing intracavitary stone remover does not have a structure for automatic clamping and removal of stones, which reduces the practicality of the device. Utility Model Content

[0004] The utility model aims to solve the defect that the prior art has no structure for automatically clamping and removing stones, and proposes a double-hook intracavitary stone remover.

[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a double-hook intracavitary stone remover, comprising a cylinder and a fixed frame, a hydraulic rod fixedly connected to the inner upper side of the fixed frame, connecting blocks fixedly connected to the outer sides of the fixed frame, the connecting block is rotatably connected to the first support rod via a first connecting shaft, the output end of the hydraulic rod is fixedly connected to the support block, connecting grooves are provided on both sides of the support block, the connecting grooves are rotatably connected to the second support rod via a second connecting shaft, the second support rod is rotatably connected to the inside of the groove via a third connecting shaft, the groove is arranged inside the first support rod, and a clamping assembly is fixedly connected to the adjacent side of the first support rod, the clamping assembly is used to clamp the stone out of the abdominal cavity.

[0006] As a further description of the above technical solution:

[0007] The clamping assembly comprises a clamping plate, the clamping plate is fixedly connected to the adjacent side of the first support rod, and the adjacent side of the clamping plate is fixedly connected with an anti-slip pad.

[0008] As a further description of the above technical solution:

[0009] The right side of the cylinder is rotatably connected to a transfer shaft, the right side of the outside of the transfer shaft is fixedly connected to a rotating block, the outside of the transfer shaft is fixedly connected to a gear, the rear side of the gear is meshingly connected to a rack plate, the rear side of the rack plate is fixedly connected to an adjusting component, and the adjusting component is used to drive the clamping component to move.

[0010] As a further description of the above technical solution:

[0011] The adjustment assembly includes a limit block, which is fixedly connected to the rear side of the rack plate, a support plate is fixedly connected to the lower side of the rack plate, a connecting plate is fixedly connected to the lower side of the support plate, and a fixing frame is fixedly connected to the lower side of the connecting plate.

[0012] As a further description of the above technical solution:

[0013] A fixing rod is fixedly connected to the upper side of the cylinder.

[0014] As a further description of the above technical solution:

[0015] A limiting groove is provided at the inner rear side of the cylinder, and the inner part of the limiting groove is slidably connected to a limiting block.

[0016] As a further description of the above technical solution:

[0017] Both sides of the interior of the cylinder are fixedly connected with telescopic rods, and the output ends of the telescopic rods are fixedly connected with connecting plates.

[0018] As a further description of the above technical solution:

[0019] The rotating block is rotatably connected to the right side of the cylinder.

[0020] The utility model has the following beneficial effects:

[0021] 1. In the utility model, the hydraulic rod is started to drive the support block, the second connecting shaft, the second supporting rod, the third connecting shaft and the first supporting rod to move, so that the two first supporting rods are close to each other, thereby driving the clamping plate to move. The anti-slip pad is provided to play an anti-slip role, so that the use position of the clamping assembly can be adjusted and the clamping assembly can be collected.

[0022] 2. In the utility model, the transfer shaft and the gear are driven to rotate by manually rotating the rotating block, and the rotation of the gear drives the rack plate, the support plate and the connecting plate to move, so that the device can have the function of automatic clamping to ensure safe and effective operations in narrow spaces. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1A three-dimensional diagram of a double-hook intracavitary stone extractor proposed by the utility model;

[0024] Figure 2 This is a cross-sectional view of the barrel of a double-hook intracavitary stone extractor proposed by the utility model;

[0025] Figure 3 This is a partial structural schematic diagram of a double-hook intracavitary stone extractor proposed by the utility model;

[0026] Figure 4 The utility model discloses a schematic diagram of the structure of a clamping assembly of a double-hook intracavitary stone extractor.

[0027] Legend:

[0028] 1. Cylinder; 2. Fixed rod; 3. Adapter shaft; 4. Rotating block; 5. Gear; 6. Rack plate; 7. Limit block; 8. Limit groove; 9. Telescopic rod; 10. Anti-slip pad; 11. Support plate; 12. Connecting plate; 13. Fixed frame; 14. Hydraulic rod; 15. Connecting block; 16. First connecting shaft; 17. First supporting rod; 18. Support block; 19. Connecting groove; 20. Second connecting shaft; 21. Second supporting rod; 22. Third connecting shaft; 23. Groove; 24. Clamp. DETAILED DESCRIPTION

[0029] 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.

[0030] Reference Figure 2 , Figure 3 , Figure 4The utility model provides an embodiment: a double-hook intracavitary stone extractor, comprising a cylinder 1 and a fixed frame 13, wherein a hydraulic rod 14 is fixedly connected to the inner upper side of the fixed frame 13, and connecting blocks 15 are fixedly connected to the outer sides of the fixed frame 13, and the connecting block 15 is rotatably connected to the first support rod 17 through a first connecting shaft 16, and the output end of the hydraulic rod 14 is fixedly connected to a support block 18, and connecting grooves 19 are provided on both sides of the support block 18, and the connecting groove 19 is rotatably connected to the second support rod 21 through a second connecting shaft 20, and the second support rod 21 is rotatably connected to the inside of the groove 23 through a third connecting shaft 22, and the groove 23 is arranged inside the first support rod 17, and a clamping assembly is fixedly connected to the adjacent side of the first support rod 17, and the clamping assembly is used to clamp the stone out of the abdominal cavity; the clamping assembly comprises a splint 24, and the splint 24 is fixedly connected to the adjacent side of the first support rod 17, and the adjacent side of the splint 24 is fixedly connected to the anti-slip pad 10.

[0031] By starting the hydraulic rod 14, the support block 18, the second connecting shaft 20, the second support rod 21, the third connecting shaft 22 and the first support rod 17 are driven to move, so that the two first support rods 17 are close to each other, and then the clamping plate 24 is driven to move. The anti-slip pad 10 is set to play an anti-slip role, which enables the device to have an automatic clamping function.

[0032] Reference Figure 1 , Figure 2 , Figure 3 The right side of the cylinder 1 is rotatably connected to the adapter shaft 3, the outer right side of the adapter shaft 3 is fixedly connected to the rotating block 4, the outer side of the adapter shaft 3 is fixedly connected to the gear 5, the rear side of the gear 5 is meshingly connected to the rack plate 6, the rear side of the rack plate 6 is fixedly connected to the adjusting component, and the adjusting component is used to drive the clamping component to move; the adjusting component includes a limit block 7, the limit block 7 is fixedly connected to the rear side of the rack plate 6, the lower side of the rack plate 6 is fixedly connected to the support plate 11, the lower side of the support plate 11 is fixedly connected to the connecting plate 12, and the lower side of the connecting plate 12 is fixedly connected to the fixing frame 13.

[0033] By manually rotating the rotating block 4, the adapter shaft 3 and the gear 5 are driven to rotate. The rotation of the gear 5 drives the rack plate 6, the support plate 11 and the connecting plate 12 to move. At the same time, the movement of the rack plate 6 drives the limit block 7 to slide inside the limit groove 8, thereby adjusting the position of the clamping assembly, thereby playing a role in adjusting the use position of the clamping assembly.

[0034] Reference Figure 1 , Figure 2 , Figure 3A fixed rod 2 is fixedly connected to the upper side of the cylinder 1; a limiting groove 8 is provided on the inner rear side of the cylinder 1, and a limiting block 7 is slidably connected inside the limiting groove 8; telescopic rods 9 are fixedly connected to both sides of the interior of the cylinder 1, and a connecting plate 12 is fixedly connected to the output end of the telescopic rod 9; a rotating block 4 is rotatably connected to the right side of the cylinder 1.

[0035] A fixing rod 2 is fixedly connected to the upper side of the cylinder 1, which makes it convenient to take the device; a limiting groove 8 is provided on the inner rear side of the cylinder 1, and a limiting block 7 is slidably connected to the inner side of the limiting groove 8, which supports and limits the rack plate 6; telescopic rods 9 are fixedly connected to both sides of the cylinder 1, and a connecting plate 12 is fixedly connected to the output end of the telescopic rod 9, which supports the connecting plate 12; the rotating block 4 is rotatably connected to the right side of the cylinder 1, which facilitates the adjustment of the position of the clamping assembly.

[0036] Working principle: When using this device, by manually rotating the rotating block 4, the rotating block 4 rotates to drive the transfer shaft 3 to rotate, the transfer shaft 3 rotates to drive the gear 5 to rotate, the gear 5 rotates to drive the rack plate 6 to move, the rack plate 6 moves to drive the support plate 11 to move, and at the same time, the rack plate 6 moves to drive the limit block 7 to slide inside the limit groove 8, the support plate 11 moves to drive the connecting plate 12 to move inside the cylinder 1, and the connecting plate 12 moves to drive the fixed frame 13 to move, thereby adjusting the position of the clamping assembly, thereby realizing the ability to adjust the use position of the clamping assembly, and can To collect the clamping assembly; by starting the hydraulic rod 14, the hydraulic rod 14 starts to drive the support block 18 to move, the support block 18 moves to drive the second support rod 21 connected to the second connecting shaft 20 to move, the second support rod 21 moves to drive the first support rod 17 of the third connecting shaft 22 to move, so that the two first support rods 17 are close to each other, the first support rod 17 moves to drive the splint 24 to move, and the stone is clamped and fixed. The anti-slip pad 10 provided plays an anti-slip role, so that the device can have the function of automatic clamping to ensure safe and effective operations in narrow spaces.

[0037] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can 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 should be included in the protection scope of the present invention.

Claims

1. A double-hook intracavitary stone extractor, comprising a cylinder (1) and a fixing frame (13), characterized in that: A hydraulic rod (14) is fixedly connected to the upper inner side of the fixed frame (13), and connecting blocks (15) are fixedly connected to both outer sides of the fixed frame (13). The connecting block (15) is rotatably connected to a first support rod (17) via a first connecting shaft (16). The output end of the hydraulic rod (14) is fixedly connected to a support block (18). Connecting grooves (19) are provided on both sides of the support block (18). The connecting grooves (19) are rotatably connected to a second support rod (21) via a second connecting shaft (20). The second support rod (21) is rotatably connected to the inside of a groove (23) via a third connecting shaft (22). The groove (23) is arranged inside the first support rod (17). A clamping assembly is fixedly connected to the adjacent side of the first support rod (17), and the clamping assembly is used to clamp the stone out of the abdominal cavity.

2. A double-hook intracavitary stone extractor according to claim 1, characterized in that: The clamping assembly comprises a clamping plate (24), wherein the clamping plate (24) is fixedly connected to the adjacent side of the first support rod (17), and the adjacent side of the clamping plate (24) is fixedly connected to an anti-slip pad (10).

3. A double-hook intracavitary stone extractor according to claim 1, characterized in that: The right side of the cylinder (1) is rotatably connected to a transfer shaft (3), the right side of the outside of the transfer shaft (3) is fixedly connected to a rotation block (4), the outside of the transfer shaft (3) is fixedly connected to a gear (5), the rear side of the gear (5) is meshingly connected to a rack plate (6), the rear side of the rack plate (6) is fixedly connected to an adjustment component, and the adjustment component is used to drive the clamping component to move.

4. A double-hook intracavitary stone extractor according to claim 3, characterized in that: The adjustment assembly comprises a limit block (7), the limit block (7) is fixedly connected to the rear side of the rack plate (6), the lower side of the rack plate (6) is fixedly connected to a support plate (11), the lower side of the support plate (11) is fixedly connected to a connecting plate (12), and the lower side of the connecting plate (12) is fixedly connected to a fixing frame (13).

5. The double-hook intracavitary stone extractor according to claim 1, characterized in that: A fixing rod (2) is fixedly connected to the upper side of the cylinder (1).

6. The double-hook intracavitary stone extractor according to claim 1, characterized in that: A limiting groove (8) is provided on the inner rear side of the cylinder (1), and the interior of the limiting groove (8) is slidably connected to a limiting block (7).

7. The double-hook intracavitary stone extractor according to claim 1, characterized in that: Telescopic rods (9) are fixedly connected to both sides of the interior of the cylinder (1), and a connecting plate (12) is fixedly connected to the output end of the telescopic rod (9).

8. The double-hook intracavitary stone extractor according to claim 3, characterized in that: The rotating block (4) is rotatably connected to the right side of the cylinder (1).

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