CN220212990U - Multiparty positioning operation traction device - Google Patents

Abstract

The utility model belongs to the technical field of medical treatment, and particularly provides a multiparty positioning operation traction device which comprises a traction frame, wherein the front inner wall and the rear inner wall of the traction frame are respectively provided with a movable groove, the front inner wall and the rear inner wall of the traction frame are respectively connected with a same movable rod in a sliding manner, the outer wall of the movable rod is movably connected with a sliding rod, the outer wall of the sliding rod is fixedly connected with a lower screw rod, the lower end of the outer wall of the lower screw rod is rotationally connected with a rotating tube, the inner wall of the lower end of the rotating tube is rotationally connected with an upper screw rod, the bottom of the upper screw rod is fixedly connected with a first movable frame, the front inner wall and the rear inner wall of the first movable frame are respectively rotationally connected with a same cross rod, the left end and the right end of the cross rod are respectively rotationally connected with a same second movable frame, the bottom of the second movable frame is fixedly connected with a traction hook, the top of the traction frame is movably connected with a positioning rod, and the front side and the rear side of the traction frame are respectively provided with a pushing mechanism which is matched with the movable rod, so that the traction effect is more stable and a better operation environment is provided for an operation.

Description

Multiparty positioning operation traction device

Technical Field

The utility model relates to the technical field of medical treatment, in particular to a multiparty positioning operation traction device.

Background

The hepatobiliary surgery mainly treats diseases such as hepatobiliary pancreatic tumor, cholelithiasis, portal hypertension and the like. In the current clinical treatment, when performing resections such as liver tumor, liver cyst, gall bladder calculus and tumor under laparoscope, surgical instruments are often required to lift liver tissues or separate and pull focus and surrounding tissues. In order not to influence the visual field of a doctor in the operation process, the wound is arc-shaped during the operation, the traction effect of a single drag hook is poor, and traction forces with different forces and angles are used at different positions of a certain nonlinear wound, so that a better operation visual field can be provided, and the multi-directional operation traction device is designed for the problems.

Disclosure of Invention

The utility model aims to solve the defect that manual traction is needed in liver and gall surgery in the prior art, and provides a multiparty positioning surgical traction device.

In order to achieve the above purpose, the present utility model adopts the following technical scheme:

the utility model provides a multiparty positioning's operation traction device, includes the traction frame, traction frame front and back inner wall all is equipped with the travel groove, traction frame front and back travel groove inner wall all sliding connection has same movable rod, and the quantity of movable rod is two, movable rod outer wall swing joint has the sliding rod, and the quantity of sliding rod is six, the outer wall fixedly connected with lower screw rod of sliding rod, and the quantity of lower screw rod is six, lower screw rod outer wall lower extreme rotation is connected with inside hollow swivelling tube, and the quantity of swivelling tube is six, swivelling tube lower extreme inner wall rotation is connected with the upper screw rod, and the quantity of upper screw rod is six, the bottom fixedly connected with first movable frame of upper screw rod, and the quantity of first movable frame is six, the front and back inner wall of first movable frame all rotates and is connected with same cross rod, and the quantity of cross rod is six, both ends all rotate and are connected with same second movable frame, and the quantity of second movable frame is six, the bottom fixedly connected with the traction, and the quantity of second movable frame is six, and the quantity of drag hook is six, and the drag hook is equipped with the location groove, the location groove is equipped with to the traction frame quantity of two, the location groove is connected with;

pushing mechanisms are arranged on the front side and the rear side of the traction frame and are matched with the moving rods.

By the above structure: when the operation needs to be carried out on a wound, the traction frame is placed above the wound, six traction hooks are fixed on two sides of the wound, two positioning rods are pulled out and pushed to the right, the two positioning rods drive the pushing mechanism to move, the two moving rods are mutually far away through the assistance of the pushing mechanism, the two moving rods drive the sliding rods on the left side and the right side to mutually far away, the sliding rods rotate on the moving rods and can automatically change the inclination angle along with the distance of traction, the sliding rods drive the lower screw rod, the rotary tube, the upper screw rod, the first movable frame, the cross rod, the second movable frame and the traction hooks to move, the traction hooks on the left side and the right side are mutually far away from the wound, when the wound is pulled to the approximate position, the positioning rods are loosened, the bottom ends of the positioning rods are inserted into the positioning grooves of the traction frames to fix the traction positions, the first movable frames, the cross rods and the second movable frames are mutually matched, the traction hooks can be rotated up and down and left and right, the shape of the traction wound can be better attached, the traction effect is more stable, and a better operation environment is provided for the operation.

Preferably, the pushing mechanism comprises four racks, two linkage blocks, two springs, two fixing rods and two gears;

the two fixed levers are fixedly connected to the front side and the rear side of the traction frame, the two gears are rotatably connected to the outer walls of the two fixed levers, the four racks are fixedly connected to the front end and the rear end of the two movable levers, the two linkage blocks are fixedly connected to the tops of the two racks located above, the two springs are fixedly connected to the tops of the two linkage blocks, positioning holes are formed in the tops of the two linkage blocks, the two positioning levers are slidably connected with the inner walls of the positioning holes of the two linkage blocks, the tops of the two springs are fixedly connected to the tops of the two positioning levers, and the four racks are meshed with the two gears.

Further, when the two positioning rods move rightwards, the two linkage blocks and the two springs are driven to move rightwards, the two linkage blocks move rightwards to drive the two racks positioned above and the moving rod positioned on the right side to move rightwards, the two racks positioned above move to drive the two gears to rotate on the two fixing rods, and the two gears rotate to drive the two racks positioned below and the moving rod positioned on the left side to move leftwards.

Preferably, the four racks are fixedly connected with the two moving rods through bolts.

Further, when maintenance is required for the pulling hook, the sliding rod and the pulling hook can be taken down from the moving rod together by detaching the bolt.

Preferably, the outer wall of the lower screw rod and the outer wall of the upper screw rod are provided with threads, the directions of the threads of the lower screw rod and the threads of the upper screw rod are opposite, the inner wall of the rotating tube is provided with rotating threads, and the rotating threads of the rotating tube are meshed with the threads of the lower screw rod and the threads of the upper screw rod.

Further, the rotating tube can enable the upper screw rod and the lower screw rod to be close to or far away from each other, the upper screw rod moves to drive the first movable frame, the cross rod, the second movable rod and the traction hook to move, when the wound is pulled, the rotating tube can be used for fixing the traction area of the wound by adjusting the distance of the traction hook, and the traction hook can be used for adjusting the distance in a small range.

Preferably, the top fixedly connected with hack lever of tractive frame, and the quantity of hack lever is four, and the outer wall sliding connection of hack lever has the hollow tube, and the quantity of hollow tube is four, and the upper end outer wall of four hollow tubes all is equipped with the fastening line, and hollow tube upper end rotation is connected with the nut, and the quantity of nut is four, and nut and hollow tube fastening line mesh.

Further, the device is placed on an operating table, the traction frame is located above the wound, the hollow tube can slide up and down on the outer wall of the frame rod to adjust the height of the traction frame and the wound, and when the required height is reached, the hollow tube can be locked by rotating the nut to position the height of the traction frame.

Preferably, the hook tip of the traction hook is an arc surface, and the three traction hooks positioned at the left side are opposite to the three traction hooks positioned at the right side.

Further, the arc surface of the traction hook prevents secondary injury to the wound during operation, and the direction of the traction hook on the left side and the right side is opposite, so that an operator can adjust the direction of the traction hook when fixing the traction device, and the use is convenient.

The beneficial effects are that:

1. the four racks are driven to move by pushing the two positioning rods, the racks drive the two moving rods to be away from each other, the moving rods drive the sliding rods, the lower screw rods, the rotating pipes, the upper screw rods, the first movable frame, the cross rods and the second movable frame to move, and the second movable frame drives the traction hook to move.

2. The traction hook and the second movable frame can rotate left and right on the cross rod, and the traction hook, the second movable frame and the cross rod can rotate up and down on the inner wall of the first movable frame.

3. The rotating pipe rotates to drive the upper screw rod and the lower screw rod to approach and separate from each other, and the rotating rod assists the traction hook to move.

In the utility model, the following components are added: the traction hook on the left side and the right side is mutually far away and the traction wound is pulled through pushing the two positioning rods, a visual field is provided for operation, the traction of the traction hook is unstable, the traction hook can be finely adjusted by rotating the rotating tube, the traction hook can be vertically and horizontally rotated to be better matched with the wound angle, the traction effect is more stable, and a better operation environment is provided for operation.

Drawings

Fig. 1 is a three-dimensional schematic view of a multi-directional surgical retractor according to the present utility model;

fig. 2 is a three-dimensional schematic diagram of a slide rod, an upper screw rod, a rotary tube, a lower screw rod, a first movable frame, a second movable frame, a cross rod and a traction hook of the multi-directional surgical traction device;

FIG. 3 is a three-dimensional schematic view of a pushing mechanism, a positioning rod and a moving rod of a multiparty positioning surgical pulling device according to the present utility model;

fig. 4 is a rear view three-dimensional schematic diagram of a first movable frame, a second movable frame, a cross rod and a traction hook of a multipart positioning surgical traction device according to the present utility model.

In the figure: 1. a traction frame; 2. a moving rod; 3. a rack; 4. a linkage block; 5. a positioning rod; 6. a spring; 7. a fixed rod; 8. a gear; 9. a slide bar; 10. a lower screw; 11. a rotary tube; 12. a screw rod is arranged; 13. a first movable frame; 14. a cross bar; 15. a second movable frame; 16. a traction hook; 17. a hack lever; 18. a hollow tube; 19. and (3) a nut.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.

Example 1

Referring to fig. 1-4, a multiparty positioning operation traction device comprises a traction frame 1, wherein the front and rear inner walls of the traction frame 1 are respectively provided with a movable groove, the front and rear inner walls of the traction frame 1 are respectively and slidably connected with the same movable rod 2, the number of the movable rods 2 is two, the outer walls of the movable rods 2 are movably connected with sliding rods 9, the number of the sliding rods 9 is six, the outer walls of the sliding rods 9 are fixedly connected with a lower screw rod 10, the number of the lower screw rod 10 is six, the lower end of the outer wall of the lower screw rod 10 is rotationally connected with an internally hollow rotating tube 11, the number of the rotating tube 11 is six, the inner walls of the lower end of the rotating tube 11 are rotationally connected with an upper screw rod 12, the number of the upper screw rod 12 is six, the bottom of the upper screw rod 12 is fixedly connected with a first movable frame 13, the number of the first movable frames 13 is six, the front and rear inner walls of the first movable frame 13 are respectively and rotationally connected with the same cross rod 14, the number of the cross rod 14 is six, the left and right ends and the left ends and right ends of the cross rod 14 are rotationally connected with the same second movable frame 15, the number of the second movable frames 15 is six, the number of the second movable frames 15 is 16, the number of the two positioning frames is 1, the number of the positioning grooves are 16 are arranged, and the positioning grooves are 1 and the number of the positioning grooves are arranged at the top is 1;

pushing mechanisms are arranged on the front side and the rear side of the traction frame 1, and are matched with the movable rod 2.

By the above structure: when the operation needs to be carried out on a wound, the traction frame 1 is placed above the wound, six traction hooks 16 are fixed on two sides of the wound, two positioning rods 5 are pulled out and pushed to the right, the two positioning rods 5 drive a pushing mechanism to move, two moving rods 2 are mutually far away through the assistance of the pushing mechanism, the two moving rods 2 drive sliding rods 9 on the left side and the right side to mutually far away, the sliding rods 9 rotate on the moving rods 2 and can automatically change the inclination angle along with the distance of traction, the sliding rods 9 drive the lower screw rod 10, the rotary tube 11, the upper screw rod 12, the first movable frame 13, the cross rod 14, the second movable frame 15 and the traction hooks 16 to move, the traction hooks 16 on the left side and the right side are mutually far away from the wound, when the wound is pulled to the approximate position, the positioning rods 5 are loosened, the bottom ends of the positioning rods 5 are inserted into the positioning grooves of the traction frames 1, the traction positions are fixed, the first movable frames 13, the cross rods 14 and the second movable frames 16 are mutually matched, the traction frames 16 can be rotated up, down, left and right, the traction frames and better fit to the wound, the operation effect is better, and the operation environment is better.

In the utility model, the pushing mechanism comprises four racks 3, two linkage blocks 4, two springs 6, two fixing rods 7 and two gears 8;

the two fixed levers 7 are fixedly connected to the front side and the rear side of the traction frame 1, the two gears 8 are rotatably connected to the outer walls of the two fixed levers 7, the four racks 3 are fixedly connected to the front end and the rear end of the two moving levers 2, the two linkage blocks 4 are fixedly connected to the tops of the two racks 3 located above, the two springs 6 are fixedly connected to the tops of the two linkage blocks 4, positioning holes are formed in the tops of the two linkage blocks 4, the two positioning levers 5 are fixedly connected to the inner walls of the positioning holes of the two linkage blocks 4 in a sliding manner, the tops of the two springs 6 are fixedly connected to the tops of the two positioning levers 5, the four racks 3 are meshed with the two gears 8, when the two positioning levers 5 move rightwards, the two linkage blocks 4 and the two springs 6 are driven to move rightwards, the two racks 3 located above and the moving levers 2 located on the right are driven to move rightwards, the two racks 3 located above drive the two gears 8 to rotate on the two fixed levers 7, and the two gears 8 rotate to drive the racks 3 located below and the racks 2 located on the left side to move leftwards.

In the utility model, the four racks 3 are fixedly connected with the two movable rods 2 through bolts, and when the traction hook 16 needs to be maintained, the sliding rods 9 and the traction hook 16 can be removed from the movable rods 2 together by removing the bolts.

In the utility model, the outer wall of the lower screw rod 10 and the outer wall of the upper screw rod 12 are respectively provided with threads, the directions of the threads of the lower screw rod 10 and the upper screw rod 12 are opposite, the inner wall of the rotating tube 11 is provided with rotating threads, the rotating threads of the rotating tube 11 are meshed with the threads of the lower screw rod 10 and the threads of the upper screw rod 12, the rotating tube 11 can enable the upper screw rod 12 and the lower screw rod 10 to be mutually close to or far away from each other, the upper screw rod 12 moves to drive the first movable frame 13, the cross rod 14, the second movable rod 15 and the traction hook 16 to move, after a wound is pulled, the rotating tube 11 can fix the area pulled by the wound by adjusting the distance of the traction hook 16, and the distance of the traction hook 16 can be adjusted in a small range.

According to the utility model, the top of the traction frame 1 is fixedly connected with the frame rods 17, the number of the frame rods 17 is four, the outer walls of the frame rods 17 are slidably connected with the hollow tubes 18, the number of the hollow tubes 18 is four, the outer walls of the upper ends of the four hollow tubes 18 are all provided with fastening lines, the upper ends of the hollow tubes 18 are rotatably connected with the nuts 19, the number of the nuts 19 is four, the nuts 19 are meshed with the fastening lines of the hollow tubes 18, the device is placed on an operating table, the traction frame 1 is positioned above a wound, the hollow tubes 18 can slide on the outer walls of the frame rods 17 up and down to adjust the heights of the traction frame 1 and the wound, and when the required heights are reached, the nuts 19 are rotated to lock the hollow tubes 18, so that the positioning of the height of the traction frame 1 is realized.

In the utility model, the hook tip of the traction hook 16 is an arc surface, the directions of the three traction hooks 16 positioned at the left side are opposite to the directions of the three traction hooks 16 positioned at the right side, the arc surfaces of the traction hooks 16 prevent secondary injury to a wound during operation, the directions of the traction hooks 16 at the left side and the right side are opposite, the direction of an operator is avoided from adjusting the traction hook when the traction device is fixed, and the use is convenient.

Example two

This embodiment differs from embodiment 1 in that: the frame rod 17, the hollow tube 18 and the nut 19 can be replaced by hydraulic rods, locking devices are arranged outside the hydraulic rods, and the locking devices control the four hydraulic rods to lift and lock the positions at the same time, so that the design cost is high, and the frame rod 17, the hollow tube 18 and the nut 19 are selected.

The working principle of the utility model is as follows: when a traction wound is needed during operation, the device is placed on an operating table, the heights of a hack lever 17 and the traction frame 1 are controlled through an adjusting nut 19 and a hollow tube 18, the traction frame 1 is placed above the wound, a left row of traction hooks 16 and a right row of traction hooks 16 are respectively hooked on the left wound and the right wound, a positioning rod 5 is pulled out and pushed to the right, a spring 6 is compressed, the positioning rod 5 drives a linkage block 4 and two racks 3 positioned above to move rightwards, the two racks 3 positioned above drive two gears 8 to rotate on two fixed rods 7, the two gears 8 drive the two racks 3 positioned below to move leftwards, the racks 3 positioned above and below respectively drive two moving rods 2 to be away from each other, the two moving rods 2 respectively drive sliding rods 9, lower screws 10, a rotating tube 11, an upper screw 12, a first movable frame 13, a cross rod 14, a second movable frame 15 and the traction hooks 16 to be away from each other, the traction hook 16 drives the wound to prop open, at the moment, the two positioning rods 5 are loosened, the positioning rods 5 are influenced by resilience of the springs 6, the bottoms of the positioning rods 5 are inserted into the positioning grooves of the traction frame 1, locking of the positions of the traction hook 16 is achieved, the traction hook 16 and the second movable frame 15 can rotate up and down and left and right along with the movement trend under the assistance of the cross rod 14 and the first movable frame 13, when the traction position of the traction hook 16 is unstable, the rotary pipe 11 can rotate, the lower screw rod 10 and the upper screw rod 12 can be made to approach or be far away from each other to assist the traction hook 16 to finely adjust the traction distance, the area of the wound is enlarged, traction between the traction hook 16 and the wound is fastened, and a better operation environment is provided for operation.

The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.

Claims (6)

1. The utility model provides a multiparty positioning's operation traction device, including traction frame (1), a serial communication port, traction frame (1) front and back inner wall all is equipped with the movable groove, traction frame (1) front and back movable groove inner wall all sliding connection has same movable rod (2), and the quantity of movable rod (2) is two, movable rod (2) outer wall swing joint has slide bar (9), and the quantity of slide bar (9) is six, the outer wall fixedly connected with lower screw rod (10) of slide bar (9), and the quantity of lower screw rod (10) is six, lower screw rod (10) outer wall lower extreme rotation is connected with inside hollow swivelling tube (11), and the quantity of swivelling tube (11) is six, swivelling tube (11) lower extreme inner wall rotation is connected with upper screw rod (12), and the quantity of upper screw rod (12) is six, the bottom fixedly connected with first movable frame (13) of upper screw rod (12), and the quantity of first movable frame (13) is six, the front and back inner wall all rotates and is connected with cross bar (14) and the same cross bar (14), the quantity of two movable frames (16) is six, the quantity of two movable frames (15) are six, the quantity of the same movable frame (16) is 16), the top of the traction frame (1) is provided with two groups of positioning grooves, the positioning grooves of the traction frame (1) are movably connected with positioning rods (5), and the number of the positioning rods (5) is two;

pushing mechanisms are arranged on the front side and the rear side of the traction frame (1), and are matched with the movable rod (2).

2. A multiparty positioning surgical retractor according to claim 1, wherein the pushing mechanism comprises four racks (3), two linkage blocks (4), two springs (6), two fixing rods (7), two gears (8);

two dead levers (7) all fixed connection are in the front and back both sides of tractive frame (1), the outer wall at two dead levers (7) is all rotated to two gears (8), the front and back both ends at two movable rod (2) are all fixed connection to four racks (3), the top at two racks (3) that are located the top is all fixed connection to two linkage pieces (4), the top at two linkage pieces (4) is all fixed connection to two springs (6), the top at two linkage pieces (4) is equipped with the locating hole, the inner wall sliding connection in two locating lever (5) and two linkage piece (4) locating hole, the top and the top fixed connection of two locating lever (5) of two springs (6), four racks (3) are meshed with two gears (8).

3. A multiparty positioning surgical retractor according to claim 2, wherein the four racks (3) are each fixedly connected to two moving bars (2) by means of bolts.

4. The multi-directional surgical pulling device according to claim 1, wherein the outer wall of the lower screw (10) and the outer wall of the upper screw (12) are provided with threads, the directions of the threads of the lower screw (10) and the upper screw (12) are opposite, the inner wall of the rotating tube (11) is provided with rotating threads, and the rotating threads of the rotating tube (11) are meshed with the threads of the lower screw (10) and the threads of the upper screw (12).

5. The multi-directional surgical traction device according to claim 1, wherein the top of the traction frame (1) is fixedly connected with hack levers (17), the number of hack levers (17) is four, the outer walls of the hack levers (17) are slidably connected with hollow tubes (18), the number of the hollow tubes (18) is four, fastening lines are formed on the outer walls of the upper ends of the four hollow tubes (18), nuts (19) are rotatably connected to the upper ends of the hollow tubes (18), the number of the nuts (19) is four, and the nuts (19) are meshed with the fastening lines of the hollow tubes (18).

6. The multiparty positioning surgical retractor according to claim 1, wherein the tips of the retractor (16) are circular-arc surfaces, and the three retractor (16) on the left are opposite to the three retractor (16) on the right.