CN112022280B - Clinical stone device of getting of hepatobiliary surgery - Google Patents

Abstract

The invention discloses a clinical stone removal device for hepatobiliary surgery; it includes a cylinder body; a moving rod is arranged inside the cylinder body, one end of the moving rod runs through the cylinder body, and is slidably connected with the cylinder body, and one end of the moving rod is connected with a pressing block; The other end of the moving rod is provided with a rack, and two gears are symmetrically arranged on both sides of the rack, and the gears are meshed with the rack; the outer walls of the two gears away from the moving rod are connected. There is a clamping rod, the clamping rod extends to the outside of the cylinder, and is connected with the cylinder through the rotating shaft provided for rotation; the gear and the rotating shaft are both connected with the cylinder for rotation; the other end of the clamping rod is provided with a splint; the The outside of the cylinder is provided with a moving ring, and the moving ring is provided with multiple stretching mechanisms; by setting the stretching mechanisms, the stone extraction operators are simplified, the operation steps are simplified, the operation is convenient, the stone extraction efficiency is improved, and the stability is good.

Description

Hepatobiliary surgery clinical stone removal device

technical field

The invention belongs to the field of hepatobiliary medical equipment, in particular to a clinical stone removal device for hepatobiliary surgery.

Background technique

Gallstones are stones composed of bile compounds in the gallbladder, and also refer to diseases caused by stones in the gallbladder. The components of gallstones are cholesterol or cholesterol-based mixed stones and pigment stones. According to the location of the disease, gallstones can be divided into gallbladder stones and bile duct stones; the surgical treatment of gallbladder stones has been dominated by cholecystectomy for more than 100 years. , to avoid recurrence caused by residual stones. Therefore, gallbladder-preserving stone removal can not only avoid the complications caused by cholecystectomy, but also meet the patients' requirements for gallbladder preservation.

For existing stone removal devices, multiple people are generally required to cooperate in the operation. The stone removal process is complicated. It is necessary to cut the skin first, use a fixed support frame to open the skin wound, and then the attending physician will hold a disposable stone removal basket or other stone removal equipment. , requires a high degree of cooperation, the trending process is cumbersome, and the stability is poor; for larger stones, it is necessary to crush the stones first, and it is not suitable to take stones directly, which is time-consuming and laborious. For small stones, the basket is not easy to tighten, and it is easy to fall off. affect the extraction efficiency.

Contents of the invention

In view of the deficiencies in the prior art, the purpose of the present invention is to provide a clinical stone removal device for hepatobiliary surgery. By setting a stretching mechanism, the stone removal operator is simplified, the operation steps are simplified, the use is convenient, the efficiency of stone removal is improved, and the stability is good.

The present invention provides following technical scheme:

A clinical stone removal device for hepatobiliary surgery; including a cylinder; a moving rod is arranged inside the cylinder, one end of the moving rod runs through the cylinder and is slidably connected with the cylinder, and one end of the moving rod is connected with a pressing block; The other end is provided with racks on both sides of the rack, and two gears are symmetrically arranged on both sides of the rack, and the gears are meshed with the rack; the outer walls of the two gears away from the moving rod are connected with clamping rods The clamping rod extends to the outside of the cylinder, and is rotatably connected with the cylinder through the provided rotating shaft; both the gear and the rotating shaft are rotatably connected with the cylinder; the other end of the clamping rod is provided with a splint; the inside of the cylinder The wall is symmetrically provided with two first slide grooves, the outer wall of the moving rod is connected with two connecting rods, and the other ends of the two connecting rods are provided with a first slider, and the first slider and the first The chute is matched with a sliding connection; the outer side of the cylinder is provided with a moving ring, and the moving ring is provided with a plurality of stretching mechanisms.

Preferably, the outer wall of the cylinder is provided with a plurality of slide rails, the side of the slide rail away from the cylinder is provided with grooves; a plurality of slide rods are provided between the cylinder and the moving ring, and the One end of the sliding rod is connected with the moving ring, and the other end of the sliding rod is connected with a sliding head, and the sliding head is arranged inside the groove, and the sliding head is matched and slidably connected with the groove.

Preferably, the stretching mechanism includes a box body, and the box body is inlaid and connected with the moving ring; a threaded rod is provided in the box body, and the threaded rod passes through the box body and is slidably connected with the box body, and the threaded rod One end of the threaded rod is connected with a knob; the threaded rod is provided with a moving block, and the center of the moving block is provided with an internally threaded hole, and the moving block is rotationally connected with the threaded rod through the internally threaded hole; the other end of the threaded rod is connected with a limited A position block, the two ends of the limit block are connected with a second slider.

Preferably, two connecting rods are connected to one end of the moving block close to the limiting block, and the opposite inner walls of the two connecting rods are provided with second sliding grooves, and the second sliding grooves match and slide with the second sliding block connection; the other ends of the two connecting rods are connected with a fixed block.

Preferably, the fixing block is connected with a pull hook, and the pull hook is made of silicone material.

Preferably, a spring is connected to the other end of the moving rod, and the other end of the spring is connected to the inner wall of the barrel.

Preferably, the clamping bar is in a "V" shape; the cross section of the splint is arc-shaped, and the side of the clamping plate away from the clamping bar is provided with a plurality of protrusions.

Preferably, four sets of stretching mechanisms are provided, and the four sets of stretching mechanisms are evenly distributed along the circumference of the moving ring and are on the same plane.

Preferably, four sets of sliding rods are provided to increase the fixity of the moving ring.

Preferably, during the use of the device, the stretching mechanism is used to stretch the wound to facilitate the removal of stones by the clamp bar and the splint; the operation wound is pulled apart by the pull hook, and the knob is rotated by driving the threaded rod, and the threaded rod The moving block is driven by the rotation, and the moving block drives the connecting rod and the hook to move, and the threaded rod further drives the hook, so that the strength of opening the wound is more convenient and grasped, and the stability of the operation is increased. Compared with the traditional manual direct opening of the wound, To prevent secondary injury to the patient and reduce the patient's surgical pain; after the wound is supported in place, a groove and a sliding head are set between the moving ring and the whole body to slide the cylinder so that the clamping rod and the clamping block go deep into the stone site. , press the pressing block, the rack at the end of the moving rod meshes with the gear, drives the gear to rotate counterclockwise, and further drives the clamping rod to rotate, the clamping rod realizes split clamping through the rotating shaft, and clamps the stone through the splint; then slide the cylinder, Pull the clamp bar and the splint out of the wound; finally loosen the pressure block, spring the moving bar back through the spring at the end of the moving bar, and drive the gear to rotate clockwise, the gear drives the clamp bar to separate, and take out the stone; the operation process Among them, only one medical staff can complete the stone extraction, the steps are simple, the operation is convenient, the stability is good, and the stone extraction efficiency is improved.

During the process of removing the stone, through the multiple bumps arranged on the splint, the bumps are silica gel rods, and when the stone is clamped, the friction with the stone is increased to prevent the stone from falling off and further increase the stability.

In the process of stone extraction, in order to further increase the accuracy of stone extraction and further improve the efficiency of stone extraction, the distance L between the two splints should be greater than or equal to 0.9 cm and less than or equal to 3.5 cm.

Preferably, the length from the moving rod to the gear when the clamping rod is stretched in the natural state is d1; the length from the moving rod to the gear is d2 when the clamping rod is clamped for stone removal; the angle between the clamping rod and the moving rod is θ when the splint is clamped; In order to better control the accuracy of stone clamping, L satisfies the following formula:

L/ sinθ=δ·(d1 ² + d2 ² ) ^1/2 ;

In the above formula, δ is the angle adjustment coefficient, and the value range is 0.124-0.56; the unit of d1 and d2 is cm.

Compared with the prior art, the present invention has the following beneficial effects:

(1) The clinical stone removal device for hepatobiliary surgery of the present invention stretches the wound through the set stretching mechanism to facilitate the removal of stones by the clamp rod and the splint; the operation wound is pulled apart by the pull hook, and the knob is rotated by driving the threaded rod. The rod rotates to drive the moving block to move, and the moving block drives the connecting rod and the pull hook to move, and the threaded rod further drives the pull hook, so that the strength of opening the wound is more convenient and grasped, and the stability of the operation is increased. Compared with the traditional manual direct opening of the wound , prevent secondary injury to the patient, and reduce the patient's surgical pain.

(2) The clinical stone removal device for hepatobiliary surgery of the present invention has a simple structure, and only one medical staff can complete the stone removal during the operation process, which simplifies the stone removal steps, is convenient to operate, has good stability, and improves the stone removal efficiency.

(3) The clinical stone removal device for hepatobiliary surgery of the present invention, through the multiple bumps set on the splint, the bumps are silica gel rods, when clamping the stones, increase the friction with the stones, prevent the stones from falling off, and further increase stability.

(4) The clinical stone removal device for hepatobiliary surgery of the present invention drives the clamp rod and the splint to clamp by pressing to remove the stone, which is easy to operate and saves physical strength.

(5) The clinical stone removal device for hepatobiliary surgery of the present invention further increases the accuracy of stone removal and improves the efficiency of stone removal by limiting the distance and angle relationship between the clamping rod and the moving rod.

Description of drawings

In order to illustrate the technical solutions of the embodiments of the present invention more clearly, the accompanying drawings used in the embodiments will be briefly introduced below. It should be understood that the following drawings only show some embodiments of the present invention, and therefore do not It should be regarded as a limitation on the scope, and those skilled in the art can also obtain other related drawings based on these drawings without creative work.

Fig. 1 is the overall structure diagram of the present invention.

Figure 2 is a side view of the present invention.

Fig. 3 is a schematic diagram of the stretching mechanism of the present invention.

Fig. 4 is a partially enlarged schematic diagram of A of the present invention.

Fig. 5 is a partially enlarged schematic diagram of B of the present invention.

In the figure: 1. Cylinder body; 2. Moving ring; 3. Moving rod; 4. Briquetting block; 5. Connecting rod; 6. The first chute; 7. The first slider; Spring; 10, clamping rod; 11, splint; 12, bump; 13, sliding rod; 14, rack; 15, gear; 16, rotating shaft; 17, slide rail; 18, groove; 19, sliding head; 801 , box body; 802, threaded rod; 803, knob; 804, moving block; 805, connecting rod; 806, second chute; 807, limit block; 808, second slider; 809, fixed block; 8010, hook.

Detailed ways

In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Apparently, the described embodiments are some but not all of the embodiments of the present invention. Based on the implementation manners in the present invention, all other implementation manners obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.

Accordingly, the following detailed description of the embodiments of the invention provided in the accompanying drawings is not intended to limit the scope of the claimed invention, but merely represents selected embodiments of the invention. Based on the implementation manners in the present invention, all other implementation manners obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.

Embodiment one:

As shown in Figures 1, 2, 4, and 5, the clinical stone removal device for hepatobiliary surgery includes a cylinder body 1; a moving rod 3 is arranged inside the cylinder body 1, and one end of the moving rod 3 runs through the cylinder body 1, and is connected with the cylinder body 1 sliding connection, one end of the moving rod 3 is connected with a pressure block 4; the other end of the moving rod 3 is provided with a rack 14, and two gears 15 are symmetrically arranged on both sides of the rack 14, and the The gear 15 is meshed with the rack 14; the outer walls of the two gears 15 away from the moving rod 3 are connected with a clamping rod 10, and the clamping rod 10 extends to the outside of the cylinder 1 and passes through the rotating shaft provided with the cylinder 1 16 is rotationally connected; the gear 15 and the rotating shaft 16 are both rotationally connected with the cylinder 1; the other end of the clamp rod 10 is provided with a splint 11; the inner wall of the cylinder 1 is symmetrically provided with two first chute 6 , the outer wall of the moving rod 3 is connected with two connecting rods 5, and the other ends of the two connecting rods 5 are provided with a first slider 7, and the first slider 7 is matched with the first chute 6 to slide Connection; the outside of the barrel 1 is provided with a moving ring 2, and the moving ring 2 is provided with a plurality of stretching mechanisms 8.

The outer wall of the cylinder 1 is provided with a plurality of slide rails 17, and the side of the slide rail 17 away from the cylinder 1 is provided with a groove 18; between the cylinder 1 and the moving ring 2, a plurality of sliding Rod 13, one end of the sliding rod 13 is connected with the moving ring 2, the other end of the sliding rod 13 is connected with a sliding head 19, and the sliding head 19 is arranged inside the groove 18, and the sliding head 19 is matched and slidingly connected with the groove 18 .

The other end of the moving rod 3 is connected to a spring 9 , and the other end of the spring 9 is connected to the inner wall of the barrel 1 .

The clamping bar 10 is in a "V" shape; the cross section of the clamping plate 11 is arc-shaped, and the side of the clamping plate 11 away from the clamping bar 10 is provided with a plurality of protrusions 12 .

The stretching mechanisms 8 are provided in four groups, and the four groups of stretching mechanisms 8 are evenly distributed along the circumference of the moving ring 2 and are on the same plane.

Described sliding bar 13 is provided with four groups, increases the immobilization of moving ring 2.

During the use of this device, the stretching mechanism 8 is used to stretch the wound, so that the clamp rod 10 and the splint 11 can be used to remove stones; the surgical wound is pulled apart by the retractor 8010, and the knob 803 is turned, and the knob 803 drives the threaded rod 802 Turn, the threaded rod 802 drives the moving block 804 to move through the rotation, and the moving block 804 drives the connecting rod 805 and the retractor 8010 to move, and the threaded rod 802 further drives the retractor 8010, so that the strength of opening the wound is more convenient and grasped, and the stability of the operation is increased Compared with the traditional manual method of directly stretching the wound, it prevents secondary injury to the patient and reduces the patient's surgical pain; after the wound is propped in place, a groove 18 and a sliding head 19 are set between the moving ring 2 and the whole body, and the sliding cylinder body 1, make the clamping rod 10 and the clamping block go deep into the stone site, at this time, press the pressing block 4, the rack 14 at the end of the moving rod 3 meshes with the gear 15, drive the gear 15 to rotate counterclockwise, and further drive the clamping rod 10 to rotate , the clamping rod 10 realizes split-central clamping through the rotating shaft 16, and clamps the stone through the splint 11; then slides the cylinder body 1, and pulls the clamping rod 10 and the splint 11 out of the wound; The spring 9 provided on the upper part bounces the moving rod 3 backward, drives the gear 15 to rotate clockwise, and the gear 15 drives the clamping rod 10 to separate, and takes out the stone; during the operation, only one medical staff can complete the stone removal, and the steps are simple. Easy to operate, good stability, and improve stone extraction efficiency.

During the process of removing the stone, through the plurality of bumps 12 provided on the splint 11, the bumps 12 are silica gel rods, which increase the friction with the stone when clamping the stone, prevent the stone from falling off, and further increase the stability.

Embodiment two:

As shown in Figure 2, on the basis of the first embodiment, the stretching mechanism 8 includes a box body 801, which is inlaid and connected with the moving ring 2; the box body 801 is provided with a threaded rod 802, so The threaded rod 802 runs through the box body 801 and is slidingly connected with the box body 801. One end of the threaded rod 802 is connected with a knob 803; the threaded rod 802 is provided with a moving block 804, and the center position of the moving block 804 is set There is an internally threaded hole, and the moving block 804 is rotationally connected with the threaded rod 802 through the internally threaded hole; the other end of the threaded rod 802 is connected with a limiting block 807, and both ends of the limiting block 807 are connected with a second slider 808 .

One end of the moving block 804 close to the limit block 807 is connected with two connecting rods 805, and the opposite inner walls of the two connecting rods 805 are provided with a second chute 806, and the second chute 806 is connected with the second chute. The block 808 is matched with a sliding connection; the other ends of the two connecting rods 805 are connected with a fixed block 809 .

The fixing block 809 is connected with a pull hook 8010, and the pull hook 8010 is made of silica gel.

Embodiment three:

As shown in Figures 1-5, the clinical stone removal device for hepatobiliary surgery includes a cylinder body 1; a moving rod 3 is arranged inside the cylinder body 1, and one end of the moving rod 3 runs through the cylinder body 1 and is slidably connected with the cylinder body 1, One end of the moving rod 3 is connected with a briquetting block 4; the other end of the moving rod 3 is provided with a rack 14, and the two sides of the rack 14 are symmetrically provided with two gears 15, and the gears 15 and the teeth The bars 14 are meshed and connected; the outer walls of the two gears 15 away from the moving rod 3 are connected with a clamping rod 10, and the clamping rod 10 extends to the outside of the cylinder 1 and is rotationally connected with the cylinder 1 through the provided rotating shaft 16; Both the gear 15 and the rotating shaft 16 are rotationally connected with the cylinder body 1; the other end of the clamp rod 10 is provided with a splint 11; The outer wall of the rod 3 is connected with two connecting rods 5, and the other ends of the two connecting rods 5 are provided with a first slider 7, and the first slider 7 is matched and slidably connected with the first chute 6; A moving ring 2 is provided on the outer side of the cylinder body 1 , and a plurality of stretching mechanisms 8 are provided on the moving ring 2 .

The outer wall of the cylinder 1 is provided with a plurality of slide rails 17, and the side of the slide rail 17 away from the cylinder 1 is provided with a groove 18; between the cylinder 1 and the moving ring 2, a plurality of sliding Rod 13, one end of the sliding rod 13 is connected with the moving ring 2, the other end of the sliding rod 13 is connected with a sliding head 19, and the sliding head 19 is arranged inside the groove 18, and the sliding head 19 is matched and slidingly connected with the groove 18 .

The other end of the moving rod 3 is connected to a spring 9, and the other end of the spring 9 is connected to the inner wall of the cylinder 1; the clamping rod 10 has a "V" shape structure; the cross section of the splint 11 is an arc structure , the splint 11 is provided with a plurality of protrusions 12 on the side away from the clamp bar 10; the stretching mechanism 8 is provided with four groups, and the four groups of stretching mechanisms 8 are evenly distributed along the peripheral side of the moving ring 2, and are on the same plane ; The sliding rod 13 is provided with four groups, increasing the immobilization of the moving ring 2.

Embodiment four

On the basis of Embodiment 1, in order to further increase the accuracy of stone extraction and further improve the efficiency of stone extraction during the stone extraction process, the distance L between the two splints 11 should be greater than or equal to 0.9cm and less than or equal to 3.5cm .

The length from the moving rod 3 to the gear 15 is d1 when the clamping rod 10 is stretched in the natural state; the length from the moving rod 3 to the gear 15 is d2 when the clamping rod 10 is clamped for stone extraction; The included angle is θ; in order to better control the accuracy of stone clamping, L satisfies the following formula: L/ sinθ=δ·(d1 ² + d2 ² ) ^1/2 ; in the above formula, δ is the angle adjustment coefficient, The value range is 0.124-0.56; the unit of d1 and d2 is cm.

During the use of this device, the stretching mechanism 8 is used to stretch the wound, so that the clamp rod 10 and the splint 11 can be used to remove stones; the surgical wound is pulled apart by the retractor 8010, and the knob 803 is turned, and the knob 803 drives the threaded rod 802 Turn, the threaded rod 802 drives the moving block 804 to move through the rotation, and the moving block 804 drives the connecting rod 805 and the retractor 8010 to move, and the threaded rod 802 further drives the retractor 8010, so that the strength of opening the wound is more convenient and grasped, and the stability of the operation is increased Compared with the traditional manual method of directly stretching the wound, it prevents secondary injury to the patient and reduces the patient's surgical pain; after the wound is propped in place, a groove 18 and a sliding head 19 are set between the moving ring 2 and the whole body, and the sliding cylinder body 1, make the clamping rod 10 and the clamping block go deep into the stone site, at this time, press the pressing block 4, the rack 14 at the end of the moving rod 3 meshes with the gear 15, drive the gear 15 to rotate counterclockwise, and further drive the clamping rod 10 to rotate , the clamping rod 10 realizes split-central clamping through the rotating shaft 16, and clamps the stone through the splint 11; then slides the cylinder body 1, and pulls the clamping rod 10 and the splint 11 out of the wound; The spring 9 provided on the upper part bounces the moving rod 3 backward, drives the gear 15 to rotate clockwise, and the gear 15 drives the clamping rod 10 to separate, and takes out the stone; during the operation, only one medical staff can complete the stone removal, and the steps are simple. Easy to operate, good stability, and improve stone extraction efficiency.

During the process of removing the stone, through the plurality of bumps 12 provided on the splint 11, the bumps 12 are silica gel rods, which increase the friction with the stone when clamping the stone, prevent the stone from falling off, and further increase the stability.

The device obtained through the above technical solution is a clinical stone removal device for hepatobiliary surgery. The stretching mechanism 8 is used to stretch the wound to facilitate the removal of stones by the clamp rod 10 and the splint 11; The knob 803 drives the threaded rod 802 to rotate, and the threaded rod 802 drives the moving block 804 to move through the rotation, and the moving block 804 drives the connecting rod 805 and the pull hook 8010 to move, and the threaded rod 802 further drives the pull hook 8010, so that the strength of opening the wound is more convenient and Grasp and increase the stability of the operation. Compared with the traditional manual method of directly opening the wound, it prevents secondary injury to the patient and reduces the patient's surgical pain; the structure is simple, and only one medical staff can complete the stone removal during the operation. Simplify the steps of stone extraction, easy operation, good stability, and improve the efficiency of stone extraction; through the multiple bumps 12 set on the splint 11, the bumps 12 are silica gel rods, which increase the friction with the stone when clamping the stone , prevent stones from falling off, and further increase stability; drive the clamping rod 10 and splint 11 to clamp by pressing, and take out the stones, which is easy to operate and saves physical strength; by limiting the distance and angle relationship between the clamping rod 10 and the moving rod 3 , to further increase the accuracy of stone extraction, and further improve the efficiency of stone extraction.

The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention. For those skilled in the art, the present invention can have various modifications and changes; within the spirit and principles of the present invention, Any modifications, equivalent replacements, improvements, etc., should be included within the protection scope of the present invention.

Claims (6)

1. Clinical stone removal device for hepatobiliary surgery; including a cylinder (1); characterized in that a moving rod (3) is provided inside the cylinder (1), and one end of the moving rod (3) runs through the cylinder (1) , is slidingly connected with the cylinder (1), and one end of the moving rod (3) is connected with a pressure block (4); the other end of the moving rod (3) is provided with a rack (14), and the rack Both sides of (14) are symmetrically provided with two gears (15), and described gear (15) is meshed with rack (14) and is connected; A clamping rod (10) is arranged, and the clamping rod (10) extends to the outside of the cylinder (1) and is rotationally connected with the cylinder (1) through a provided rotating shaft (16); the gear (15) and the rotating shaft (16) ) are rotatably connected with the cylinder body (1); the other end of the clamp rod (10) is provided with a splint (11); the inner side wall of the cylinder body (1) is symmetrically provided with two first slide grooves (6) , the outer wall of the moving rod (3) is connected with two connecting rods (5), and the other ends of the two connecting rods (5) are provided with a first slider (7), and the first slider ( 7) Matching and sliding connection with the first chute (6), the end of the moving rod (3) away from the pressing block (4) is connected with a spring (9), and the spring (9) is coaxial with the moving rod (3) Arrangement, the rack (14), gear (15) and rotating shaft (16) are all located inside the cylinder (1); the outside of the cylinder (1) is provided with a moving ring (2), and the moving ring ( 2) There are multiple stretching mechanisms (8); press the press block (4), the rack (14) at the end of the moving rod (3) meshes with the gear (15), and drives the gear (15) to move counterclockwise Rotation further drives the clamping rod (10) to rotate, and the clamping rod (10) realizes split clamping through the rotating shaft (16); the other end of the spring (9) is connected with the inner wall of the cylinder (1). 2. The clinical stone removal device for hepatobiliary surgery according to claim 1, characterized in that, the outer wall of the cylinder (1) is provided with a plurality of slide rails (17), and the slide rails (17) are far away from the cylinder (1) ) is provided with a groove (18) on one side; a plurality of sliding rods (13) are arranged between the cylinder body (1) and the moving ring (2), and one end of the sliding rod (13) is connected to the moving ring ( 2) connection, the other end of the sliding rod (13) is connected with a sliding head (19), the sliding head (19) is located inside the groove (18), and the sliding head (19) is matched with the groove (18) for sliding connection . 3. The clinical stone removal device for hepatobiliary surgery according to claim 1, characterized in that, the stretching mechanism (8) comprises a box body (801), and the box body (801) is inlaid and connected with the moving ring (2); The box body (801) is provided with a threaded rod (802), the threaded rod (802) runs through the box body (801), and is slidably connected with the box body (801), and one end of the threaded rod (802) is connected with Knob (803); the threaded rod (802) is provided with a moving block (804), and the center position of the moving block (804) is provided with an internally threaded hole, and the moving block (804) passes through the internally threaded hole and the threaded rod ( 802) Rotational connection; the other end of the threaded rod (802) is connected to a limiting block (807), and both ends of the limiting block (807) are connected to a second sliding block (808). 4. The clinical stone removal device for hepatobiliary surgery according to claim 3, characterized in that two connecting rods (805) are connected to one end of the moving block (804) close to the limiting block (807), and the two connecting rods (805) The opposite inner wall is provided with a second chute (806), and the second chute (806) is matched and slidably connected with the second slider (808); the other ends of the two connecting rods (805) A fixed block (809) is connected. 5. The clinical stone removal device for hepatobiliary surgery according to claim 4, characterized in that, the fixing block (809) is connected with a pull hook (8010), and the pull hook (8010) is made of silica gel. 6. The clinical stone removal device for hepatobiliary surgery according to claim 1, characterized in that, the clamping rod (10) is in a "V"-shaped structure; the cross section of the splint (11) is in an arc-shaped structure, and the splint (11) ) is provided with a plurality of protrusions (12) on the side away from the clamp bar (10).

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