CN113967045A - Auxiliary device for hepatobiliary surgery - Google Patents

Abstract

The invention relates to the technical field of medical equipment, in particular to an auxiliary device for hepatobiliary surgery, which comprises an operation platform, a platform is slidably connected with a support, a fastening piece is arranged at the joint of the platform and the support, a pedal is arranged on the support, the pedal is connected with a first binding piece and a second binding piece, the support is rotatably connected with a first mounting frame and a second mounting frame, a first locking piece is arranged at the joint of the support and the first mounting frame, the first mounting frame is rotatably connected with a first connecting rod, the second locking piece is arranged at the joint of the first connecting rod and the first mounting frame, the first connecting rod is slidably connected with a first drag hook unit, the first binding piece is connected with the first drag hook unit, a third locking piece is arranged at the joint of the support and the second mounting frame, the second mounting frame is rotatably connected with a second connecting rod, a fourth locking piece is arranged at the joint of the second connecting rod and the second mounting frame, the second connecting rod is slidably connected with a second drag hook unit, the invention is convenient for opening the chest cavity of a human body and is convenient for operation.

Description

Auxiliary device for hepatobiliary surgery

Technical Field

The invention relates to the technical field of medical equipment, in particular to an auxiliary device for hepatobiliary surgery.

Background

Liver and gall surgery mainly studies hepatocellular carcinoma, hepatobiliary calculus, posthepatitic cirrhosis and acute liver failure caused by severe hepatitis are major diseases seriously threatening the health of Chinese people. Generally, in clinical practice, when a hepatobiliary surgery is performed on a patient, an open cavity surgery is generally adopted, and after the open cavity surgery is performed, superficial tissues or other tissues of the cavity are required to be pulled open to open the thoracic cavity of the human body, so that the surgical operation is facilitated. At present, several medical auxiliary personnel generally assist together, open the thorax of human body to the operation, not only the operation is got up and is wasted time and energy, increases patient's bearing pressure, and the time spent can cause medical staff's arm to tingle simultaneously, thereby has increased the degree of difficulty of work for medical staff.

Disclosure of Invention

Aiming at the defects in the prior art and overcoming the defects in the prior art, the invention aims to provide an auxiliary device for hepatobiliary surgery, which solves the problem that the thoracic cavity of a human body is not convenient to open.

The technical scheme is that the auxiliary device for hepatobiliary surgery comprises a surgical platform, wherein the platform is slidably connected with a support, a fastening piece for fixing the platform and the support is arranged at the joint of the platform and the support, a pedal is arranged on the support, one end of a first binding piece made of the pedal and a flexible material is fixedly connected with the pedal, the support is rotatably connected with a first mounting frame at one side of the platform, a first locking piece for fixing the support and the first mounting frame is arranged at the joint of the support and the first mounting frame, the first mounting frame is rotatably connected with a first connecting rod, a second locking piece for fixing the first connecting rod and the first mounting frame is arranged at the joint of the first connecting rod and the first mounting frame, the first connecting rod is slidably connected with a first drag hook unit fixed with human tissues at a surgical knife opening, and a first elastic piece made of an elastic material is arranged between the first drag hook unit and the first connecting rod, the other end of the first binding piece is connected with the first drag hook unit after sequentially passing through the bracket, the first mounting frame and the first connecting rod, the pedal is fixedly connected with one end of a second binding piece made of flexible materials, the bracket is rotatably connected with the second mounting frame at the other side of the platform, a third locking piece for fixing the bracket and the second mounting frame is installed at the joint of the bracket and the second mounting frame, the second mounting frame is rotatably connected with the second connecting rod, a fourth locking piece for fixing the second connecting rod and the second mounting frame is installed at the joint of the second connecting rod and the second mounting frame, the second connecting rod is slidably connected with a second drag hook unit for fixing human tissues at the position of the surgical knife, a second elastic piece made of elastic materials is installed between the second drag hook unit and the second connecting rod, and the other end of the second binding piece is connected with the second drag hook unit after sequentially passing through the bracket, the second mounting frame and the second connecting rod, the turning wheels are mounted at the turning positions of the first binding piece and the second binding piece, and a structure for adjusting the distance between the first drag hook unit and the second drag hook unit through the movement of the pedal is formed.

Preferably, first mounting bracket includes connecting block, branch, the connecting block is connected with the support rotation, the first retaining member of junction installation of connecting block and support, connecting block and branch sliding connection, the junction installation of branch and connecting block is used for the fifth retaining member that branch and connecting block are fixed, the installation is used for adjusting the first adjusting unit that ties up that length between branch and the connecting block keeps unchangeable between branch and the connecting block.

Preferably, the regulating unit includes first pole, second pole, first pole one end is rotated with the connecting block and is connected, the first pole other end is rotated with second pole one end and is connected, the second pole other end is rotated with branch and is connected, the rotation connecting axle of first pole and connecting block, second pole to and the second pole is perpendicular with the slip direction of the rotation connecting axle of branch and the relative connecting block of branch, the runner of being connected with first tying up is installed to each rotation junction of first pole, second pole, the structure and the principle of first mounting bracket and second mounting bracket are the same.

Preferably, the first mounting frame and the bracket, the rotation connecting shaft of the first connecting rod, and the second mounting frame and the bracket, the rotation connecting shaft of the second connecting rod are parallel to each other.

Preferably, first drag hook unit includes the loop bar, loop bar and first link sliding connection, install first elastic component between loop bar and the first link, loop bar and first tying up a fixed connection, loop bar sliding connection third pole, the junction installation of loop bar and third pole is used for the first fastener of loop bar and third pole fixed, third pole and fourth pole sliding connection, the junction installation of third pole and fourth pole is used for the second fastener of third pole and fourth pole fixed, the slip direction of the relative loop bar of third pole inclines or is perpendicular with the slip direction of the relative fourth pole of third pole, the lower extreme installation drag hook of fourth pole, the structure and the principle of second drag hook unit and first drag hook unit are the same.

Preferably, the second retaining member includes matched with kelly, draw-in groove, each the draw-in groove is annular evenly distributed on first mounting bracket around the rotation connecting axle of first mounting bracket with first connecting rod, first mounting bracket passes through the carousel and rotates with first connecting rod to be connected, carousel and first connecting rod fixed connection, set up the through-hole on the carousel, kelly and through-hole sliding connection, the part installation baffle of kelly in the through-hole, the third elastic component that installation elastic material made between baffle and the carousel, the kelly stretches out the one end of through-hole and each cooperate in the draw-in groove, the kelly stretches out the other end installation arm-tie of through-hole, the structure and the principle of first retaining member, second retaining member, third retaining member, fourth retaining member are the same.

Preferably, the pedal is connected with the support in a sliding mode through a pull rod, the pedal is fixedly connected with one end of the pull rod, the other end of the pull rod is fixedly connected with the first binding piece and the second binding piece, and a fourth elastic piece made of elastic materials is installed between the other end of the pull rod and the support.

Preferably, the support includes the crossbearer, crossbearer both ends fixed connection slider, each slider and platform sliding connection, each the slider is with the junction installation fastener of platform, each slider fixed connection montant, each the montant rotates with first mounting bracket, second mounting bracket to be connected, the first retaining member of montant and the junction installation of first mounting bracket, the third retaining member is installed with the junction installation of second mounting bracket to the montant.

The invention provides an auxiliary device for hepatobiliary surgery, which has the following beneficial effects compared with the prior art:

1. when in use, the first mounting rack is rotationally connected with the support and the first connecting rod through the sliding of the support and the platform, the second mounting frame is rotatably connected with the second connecting rod of the bracket, the connecting block is slidably connected with the supporting rod, so that the positions of the second drag hook unit and the first drag hook unit can be conveniently adjusted, thereby pulling the tissues at the knife edge in different directions, and the sliding connection of the third rod and the fourth rod is convenient for pulling the tissues at the knife edge in different fat and thin body types, firstly hooking the tissue at the knife edge by the draw hook, then moving the third rod relative to the loop bar to draw a part of the knife edge, the third rod is fixed with the loop bar and then moved by the pedal, thereby opening the chest cavity of the human body for convenient operation, but also reduces the participation of some medical staff, avoids the arm numbness caused by pulling the chest manually for a long time, and reduces the working difficulty of the medical staff.

Drawings

Fig. 1 is a schematic front view of the present invention.

FIG. 2 is an enlarged view of the direction A-A of the present invention.

FIG. 3 is an enlarged bottom view of the right end of the strut of the present invention.

Fig. 4 is a partial enlarged view of the present invention at B.

Fig. 5 is a partial enlarged view of the present invention at C.

Fig. 6 is a partial enlarged view of the present invention at D.

FIG. 7 is an enlarged view of a portion of the present invention at E.

In the figure: 1 platform, 2 supports, 2.1 crossbearers, 2.2 sliding blocks, 2.3 vertical rods, 3 fasteners, 4 pedals, 5 first binding pieces, 6 first mounting frames, 6.1 connecting blocks, 6.2 supporting rods, 6.3 fifth locking pieces, 6.4 adjusting units, 6.4A first rods, 6.4B second rods, 7 first locking pieces, 8 first connecting rods, 9 second locking pieces, 9.1 clamping rods, 9.2 clamping grooves, 9.3 baffle plates, 9.4 third elastic pieces and 9.5 pull plates, 10 first drag hook unit, 10.1 loop bar, 10.2 third pole, 10.3 first fastener, 10.4 fourth pole, 10.5 second fastener, 10.6 drag hook, 11 first elastic component, 12 second are tied up the piece, 13 second mounting brackets, 14 third retaining members, 15 second connecting rods, 16 fourth retaining members, 17 second drag hook units, 18 second elastic components, 19 runner, 20 carousel, 21 through-holes, 22 pull rod, 23 fourth elastic components, 24 slot hole, 25 round holes, 26 dog.

Detailed Description

The technical solutions of the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings, and it is to be understood that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without any creative effort belong to the protection scope of the present invention, and in the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, only for the convenience of describing the present invention and simplifying the description, but not for indicating or implying that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present invention.

Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance in the description of the present invention, it being noted that unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as being fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The present invention will be described in further detail below with reference to specific embodiments and with reference to the attached drawings.

Referring to fig. 1-7, the present invention provides a technical solution: an auxiliary device for hepatobiliary surgery comprises an operation platform 1, wherein the platform 1 is connected with a support 2 in a sliding manner, a fastening piece 3 used for fixing the platform 1 and the support 2 is arranged at the joint of the platform 1 and the support 2, a pedal 4 is arranged on the support 2, the pedal 4 is fixedly connected with one end of a first binding piece 5 made of flexible materials such as ropes and the like, the support 2 is rotatably connected with a first mounting rack 6 at one side of the platform 1, a first locking piece 7 used for fixing the support 2 and the first mounting rack 6 is arranged at the joint of the support 2 and the first mounting rack 6, the first mounting rack 6 is rotatably connected with a first connecting rod 8, a second locking piece 9 used for fixing the first connecting rod 8 and the first mounting rack 6 is arranged at the joint of the first connecting rod 8 and the first mounting rack 6, the first connecting rod 8 is slidably connected with a first drag hook unit 10 used for fixing human tissues at an operation knife opening, a first elastic piece 11 made of elastic materials such as springs and the like is arranged between the first drag hook unit 10 and the first connecting rod 8, the other end of the first binding piece 5 sequentially passes through the support 2, the first mounting frame 6 and the first connecting rod 8 and then is connected with the first drag hook unit 10, the pedal 4 is fixedly connected with one end of a second binding piece 12 made of flexible materials such as ropes, the support 2 is rotatably connected with the second mounting frame 13 at the other side of the platform 1, a third locking piece 14 used for fixing the support 2 and the second mounting frame 13 is installed at the joint of the support 2 and the second mounting frame 13, the second mounting frame 13 is rotatably connected with a second connecting rod 15, a fourth locking piece 16 used for fixing the second connecting rod 15 and the second mounting frame 13 is installed at the joint of the second connecting rod 15 and the second mounting frame 13, the second connecting rod 15 is slidably connected with a second drag hook unit 17 used for fixing human tissues at the surgical knife opening, a second elastic piece 18 made of elastic materials such as springs is installed between the second drag hook unit 17 and the second connecting rod 15, and the other end of the second binding piece 12 sequentially passes through the support 2, the first drag hook unit 10, The second mounting frame 13, the second connecting rod 15 is connected with the second drag hook unit 17, the first binding piece 5 and the second binding piece 12 are provided with rotating wheels 19 at each turning position, wherein the first binding piece 5 and the second binding piece 12 are provided with one or two rotating wheels 19 at each turning position according to specific conditions, a structure for adjusting the distance between the first drag hook unit 10 and the second drag hook unit 17 through the movement of the pedal 4 is formed, the front and back positions of the whole device on the platform 1 are convenient to adjust through the sliding of the support 2 and the platform 1, the first mounting frame 6 is connected with the support 2 and the first connecting rod 8 in a rotating manner, the second mounting frame 13 is connected with the second connecting rod 15 of the support 2 in a rotating manner, the first drag hook unit 10 and the second drag hook unit 17 are convenient to adjust various angles, tissue at the knife edges in different knife opening directions is pulled, and the pedal 4 drives the first binding piece 5, the second binding piece, The second is tied up piece 12 and is removed to drive first drag hook unit 10 and second drag hook unit 17 and keep away from each other, make the structure of adjusting distance between first drag hook unit 10 and the second drag hook unit 17 with this removal that forms through footboard 4, realize opening human thorax, the operation of being convenient for reduces some medical staff's participation moreover, avoids long-time manual drawing open the thorax simultaneously and causes the arm to send out numb, reduces medical staff's the work degree of difficulty.

In one embodiment, the first mounting frame 6 comprises a connecting block 6.1 and a supporting rod 6.2, the connecting block 6.1 is rotatably connected with the support frame 2, a first locking member 7 is installed at the joint of the connecting block 6.1 and the support frame 2, the connecting block 6.1 is slidably connected with the supporting rod 6.2, a fifth locking member 6.3 for fixing the supporting rod 6.2 and the connecting block 6.1 is installed at the joint of the supporting rod 6.2 and the connecting block 6.1, the fifth locking member 6.3 is formed by welding a bolt and a long rod, one end of the bolt is connected with the connecting block 6.1 by a bolt, the supporting rod 6.2 is fixed with the connecting block 6.1 by extrusion contact of the bolt and the supporting rod 6.2, the other end of the bolt is welded and fixed with the long rod, so that the bolt can rotate, an adjusting unit 6.4 for adjusting the length of the first binding member 5 between the supporting rod 6.2 and the connecting block 6.1 to be unchanged is installed between the supporting rod 6.2 and the connecting block 6.1 by sliding connection of the connecting block 6.1, so that the drag hook on the horizontal plane can be adjusted, wherein the supporting rod 6.2 is rotatably connected with the first connecting rod 8, and a second locking piece 9 is arranged at the joint of the supporting rod 6.2 and the first connecting rod 8.

In one embodiment, the adjustment unit 6.4 comprises a first bar 6.4A, a second bar 6.4B, one end of the first bar 6.4A being rotationally connected to the connecting block 6.1, the other end of the first bar 6.4A being rotationally connected to one end of the second bar 6.4B, the other end of the second bar 6.4B being rotationally connected to the strut 6.2, the rotational connection axis of the first bar 6.4A to the connecting block 6.1, the rotational connection axis of the second bar 6.4B, and the second bar 6.4B being perpendicular to the rotational connection axis of the strut 6.2 and the sliding direction of the strut 6.2 relative to the connecting block 6.1, the rotational connections of the first bar 6.4A, the second bar 6.4B being rotationally connected to the runner 19 connected to the first binding 5, two runners 19 per rotational connection of the first bar 6.4A, the second bar 6.4B, the first binding 5 passing between the two runners 19, the strut 6.2 sliding relative to the connecting block 6.1, the first bar 6.4A, the second bar 6.4B maintaining the length of the first binding 5 and the strut 6.2, the sliding of the support rod 6.2 relative to the connecting block 6.1 does not affect the pulling of the later-stage movable pedal 4 on the first hook pulling unit 10, the structure and the principle of the first mounting frame 6 and the second mounting frame 13 are the same, and the structure of the joint of the first connecting rod 8 and the first mounting frame 6 and the structure of the joint of the second connecting rod 15 and the second mounting frame 13 are the same.

In an embodiment, the first mounting frame 6 and the bracket 2, the rotation connecting shaft of the first connecting rod 8, and the second mounting frame 13 and the bracket 2, the rotation connecting shaft of the second connecting rod 15 are parallel to each other.

In one embodiment, the first hook unit 10 includes a loop bar 10.1, the loop bar 10.1 is slidably connected to the first link bar 8, a first elastic member 11 is clamped between the loop bar 10.1 and the first link bar 8, the loop bar 10.1 is fixedly bound to the first binding member 5, the loop bar 10.1 is slidably connected to the third link bar 10.2, a first fastener 10.3 for fixing the loop bar 10.1 to the third link bar 10.2 is installed at a joint of the loop bar 10.1 and the third link bar 10.2, the third link bar 10.2 is slidably connected to the fourth link bar 10.4, a second fastener 10.5 for fixing the third link bar 10.2 to the fourth link bar 10.4 is installed at a joint of the third link bar 10.2 and the fourth link bar 10.4, a sliding direction of the third link bar 10.2 relative to the loop bar 10.1 is perpendicular to a sliding direction of the third link bar 10.2 relative to the fourth link bar 10.4, a lower end of the first hook unit 10.6 is fixedly welded to the first hook unit, the first hook unit 10.3, the first hook unit 10.1 is installed on the first link bar 10.2, the first link bar 10.8, the first loop bar 10 is disposed in a long hole 24, the first clamping piece 10.3 penetrates through the long hole 24 to be in threaded connection with the loop bar 10.1, the loop bar 10.1 is fixed with the third bar 10.2 through the extrusion contact of the first clamping piece 10.3 and the third bar 10.2, the second clamping piece 10.5 is in threaded connection with the third bar 10.2, the third bar 10.2 is fixed with the fourth bar 10.4 through the extrusion contact of the second clamping piece 10.5 and the fourth bar 10.4, the number of the draw hooks 10.6 welded to the lower end of the fourth bar 10.4 is one, the number of the draw hooks can be suitable as two or three, the upper end of the fourth bar 10.4 is in threaded connection with the stop block 26, and the structure and the principle of the second draw hook unit 17 are the same as those of the first draw hook unit 10.

In one embodiment, the second locking member 9 includes a locking bar 9.1 and a locking groove 9.2, which are matched with each other, each locking groove 9.2 is evenly distributed on the first mounting frame 6 in a ring shape around a rotation connecting shaft of the first mounting frame 6 and the first connecting rod 8, two adjacent locking grooves 9.2 are contacted with each other, the first mounting frame 6 is rotatably connected with the first connecting rod 8 through a rotary disc 20, the rotary disc 20 is fixedly welded with the first connecting rod 8, a through hole 21 is formed in the rotary disc 20, the locking bar 9.1 is slidably connected with the through hole 21, a part of the locking bar 9.1 in the through hole 21 is bonded with a fixed baffle 9.3, a third elastic member 9.4 made of elastic material such as a spring is clamped between the baffle 9.3 and the rotary disc 20, one end of the locking bar 9.1 extending out of the through hole 21 is matched with one of the locking grooves 9.2, the other end of the locking bar 9.1 extending out of the through hole 21 is bonded with a pulling plate 9.5, the locking bar 9.1 is matched with one of the locking grooves 9.2, so that the first connecting frame 6 is fixed with the first connecting rod 8, pulling the pulling plate 9.5 facilitates the rotation of the first connecting rod 8 relative to the first mounting frame 6, and the first locking member 7, the second locking member 9, the third locking member 14 and the fourth locking member 16 have the same structure and principle.

In one embodiment, the pedal 4 is slidably connected to the bracket 2 through a pull rod 22, the pedal 4 is welded to one end of the pull rod 22, the other end of the pull rod 22 is fixedly bonded to the first and second binding members 5 and 12, a fourth elastic member 23 made of an elastic material such as a spring is clamped between the other end of the pull rod 22 and the bracket 2, and the first and second binding members 5 and 12 are moved by the sliding of the pedal 4 relative to the bracket 2.

In an embodiment, the support 2 includes a cross frame 2.1, two ends of the cross frame 2.1 are fixedly connected with sliding blocks 2.2, each sliding block 2.2 is slidably connected with the platform 1, a fastening member 3 is installed at a joint of each sliding block 2.2 and the platform 1, the fastening member 3 is a bolt, the fastening member 3 is in threaded connection with the sliding block 2.2, the support 2 is fixed with the platform 1 through the extrusion contact of the fastening member 3 and the platform 1, each sliding block 2.2 is welded and fixed with a vertical rod 2.3, each vertical rod 2.3 is rotatably connected with the first mounting frame 6 and the second mounting frame 13, a first fastening member 7 is installed at a joint of the vertical rod 2.3 and the first mounting frame 6, and a third fastening member 14 is installed at a joint of the vertical rod 2.3 and the second mounting frame 13, wherein the number of the sliding blocks 2.2, the fastening members 3 and the vertical rods 2.3 is two.

Wherein first kidnapping one end is with loop bar 10.1 binding fixed back, the other end passes through the inside of first elastic component 11 in proper order, the round hole 25 of first connecting rod 8 left end department, after passing through two runners 19 of first connecting rod 8 left end, pass through two runners 19 of second pole 6.4B right-hand member in proper order, two runners 19 of first pole 6.4A right-hand member, two runners 19 of first pole 6.4A left end, runner 19 of montant 2.3 upper end, the intraductal passageway in the montant 2.3 of left side, runner 19 of montant 2.3 lower extreme, runner 19 of crossbearer 2.1 left end department, and behind the runner 19 that lies in footboard 4 top on crossbearer 2.1, with pull rod 22 upper end binding fixed, runner 19 rotates with each spare part to be connected, the connected mode principle of second binding 12 is the same with the connected mode of first binding 5.

During the use, through the slip of support 2 and platform 1, first mounting bracket 6 and support 2, first connecting rod 8's rotation is connected, and second mounting bracket 13 is connected with the rotation of support 2 second connecting rod 15, connecting block 6.1 and branch 6.2's sliding connection, be convenient for adjust second drag hook unit 17 and first drag hook unit 10's position, thereby pull the incision department tissue of different sword opening directions, sliding connection through third pole 10.2 and fourth pole 10.4, be convenient for pull the incision department tissue of different fat thin size, during the use, hook incision department tissue through drag hook 10.6 earlier, make the relative loop bar 10.1 of third pole 10.2 remove again, make the incision pull open partly back, it is fixed with third pole 10.2 and loop bar 10.1, afterwards rethread footboard 4 removes, thereby open the thorax of human body, be convenient for the operation.

The present invention has been described in detail with reference to the specific embodiments and examples, but these are not intended to limit the present invention. Many variations and modifications may be made by one of ordinary skill in the art without departing from the principles of the present invention, which should also be considered as within the scope of the present invention.

Claims (8)

1. Auxiliary device for hepatobiliary surgery, including operation platform (1), its characterized in that: platform (1) sliding connection support (2), platform (1) is used for platform (1) and fixed fastener (3) in support (2) with the junction installation of support (2), install footboard (4) on support (2), footboard (4) tie up piece (5) one end fixed connection with the first of flexible material making, support (2) rotate in platform (1) one side and are connected first mounting bracket (6), the junction installation of support (2) and first mounting bracket (6) is used for first retaining member (7) that support (2) and first mounting bracket (6) are fixed, first connecting rod (8) are connected in first mounting bracket (6) rotation, first connecting rod (8) and the junction installation of first mounting bracket (6) are used for second retaining member (9) of first connecting rod (8) and first mounting bracket (6), first connecting rod (8) sliding connection is used for the first retaining member (9) of fixing with surgical knife-edge department's single tissue of human body department A first elastic part (11) made of elastic materials is installed between the first drag hook unit (10) and the first connecting rod (8), the other end of the first binding part (5) is connected with the first drag hook unit (10) after sequentially passing through the support (2), the first mounting frame (6) and the first connecting rod (8), the pedal (4) is fixedly connected with one end of a second binding part (12) made of flexible materials, the support (2) is rotatably connected with the second mounting frame (13) at the other side of the platform (1), a third locking part (14) used for fixing the support (2) and the second mounting frame (13) is installed at the joint of the support (2) and the second mounting frame (13), the second connecting rod (15) is rotatably connected with the second mounting frame (13), a fourth locking part (16) used for fixing the second connecting rod (15) and the second mounting frame (13) is installed at the joint of the second connecting rod (15) and the second mounting frame (13), second connecting rod (15) sliding connection is used for with second drag hook unit (17) that surgical knife edge department's human tissue is fixed, install second elastic component (18) that elastic material made between second drag hook unit (17) and second connecting rod (15), the second is tied up a (12) other end and is connected with second drag hook unit (17) through support (2), second mounting bracket (13), second connecting rod (15) back in proper order, first each that tie up piece (5), second and tie up piece (12) turns to department installation runner (19), forms the structure that makes the distance between first drag hook unit (10) and second drag hook unit (17) of regulation through the removal of footboard (4).

2. The hepatobiliary surgery assistance device according to claim 1, wherein: first mounting bracket (6) include connecting block (6.1), branch (6.2), connecting block (6.1) are rotated with support (2) and are connected, connecting block (6.1) and first retaining member (7) of junction installation of support (2), connecting block (6.1) and branch (6.2) sliding connection, branch (6.2) are used for branch (6.2) and connecting block (6.1) fixed fifth retaining member (6.3) with connecting block (6.1) junction installation, the installation is used for adjusting first piece (5) the length of tying up between branch (6.2) and connecting block (6.1) and keeps unchangeable adjusting unit (6.4) between branch (6.2) and connecting block (6.1).

3. The hepatobiliary surgery assistance device according to claim 1, wherein: the first mounting frame (6) is parallel to the rotating connecting shafts of the support (2) and the first connecting rod (8), and the second mounting frame (13) is parallel to the rotating connecting shafts of the support (2) and the second connecting rod (15).

4. The hepatobiliary surgery assistance device according to claim 1, wherein: the first drag hook unit (10) comprises a loop bar (10.1), the loop bar (10.1) is in sliding connection with a first connecting rod (8), a first elastic part (11) is installed between the loop bar (10.1) and the first connecting rod (8), the loop bar (10.1) is fixedly connected with a first binding part (5), the loop bar (10.1) is in sliding connection with a third rod (10.2), a first clamping piece (10.3) used for fixing the loop bar (10.1) and the third rod (10.2) is installed at the joint of the loop bar (10.1) and the third rod (10.2), the third rod (10.2) is in sliding connection with a fourth rod (10.4), a second clamping piece (10.5) used for fixing the third rod (10.2) and the fourth rod (10.4) is installed at the joint of the third rod (10.2) and the fourth rod (10.4), and the third rod (10.2) is inclined relative to the sliding direction of the loop bar (10.1) or the sliding direction of the third rod (10.2), the lower end of the fourth rod (10.4) is provided with a draw hook (10.6), and the structure and the principle of the second draw hook unit (17) are the same as those of the first draw hook unit (10).

5. The hepatobiliary surgery assistance device according to claim 1, wherein: the second locking piece (9) comprises clamping rods (9.1) and clamping grooves (9.2) which are matched, each clamping groove (9.2) is annularly and uniformly distributed on the first mounting frame (6) around a rotating connecting shaft of the first mounting frame (6) and the first connecting rod (8), the first mounting frame (6) is rotatably connected with the first connecting rod (8) through a turntable (20), the turntable (20) is fixedly connected with the first connecting rod (8), a through hole (21) is formed in the turntable (20), the clamping rods (9.1) are slidably connected with the through hole (21), a baffle (9.3) is installed on the part of each clamping rod (9.1) in the through hole (21), a third elastic piece (9.4) made of elastic material is installed between the baffle (9.3) and the turntable (20), one end of each clamping rod (9.1) extending out of the through hole (21) is matched with one of the clamping grooves (9.2), and a pull plate (5.5) is installed at the other end of each clamping rod (9.1) extending out of the through hole (21), the first locking piece (7), the second locking piece (9), the third locking piece (14) and the fourth locking piece (16) are identical in structure and principle.

6. The hepatobiliary surgery assistance device according to claim 1, wherein: footboard (4) are through pull rod (22) and support (2) sliding connection, footboard (4) and pull rod (22) one end fixed connection, pull rod (22) other end and first tie up piece (5), second tie up piece (12) fixed connection, fourth elastic component (23) that installation elastic material made between pull rod (22) other end and support (2).

7. The hepatobiliary surgery assistance device according to claim 1, wherein: support (2) include crossbearer (2.1), crossbearer (2.1) both ends fixed connection slider (2.2), each slider (2.2) and platform (1) sliding connection, each slider (2.2) and platform (1) junction installation fastener (3), each slider (2.2) fixed connection montant (2.3), each montant (2.3) and first mounting bracket (6), second mounting bracket (13) rotate to be connected, montant (2.3) and first retaining member (7) of junction installation of first mounting bracket (6), third retaining member (14) are installed with the junction of second mounting bracket (13) in montant (2.3).

8. The hepatobiliary surgery assistance device according to claim 2, wherein: adjusting unit (6.4) includes first pole (6.4A), second pole (6.4B), first pole (6.4A) one end is rotated with connecting block (6.1) and is connected, first pole (6.4A) other end is rotated with second pole (6.4B) one end and is connected, second pole (6.4B) other end is rotated with branch (6.2) and is connected, first pole (6.4A) is perpendicular with the rotation connecting axle of connecting block (6.1), second pole (6.4B) to and the rotation connecting axle of second pole (6.4B) and branch (6.2) and the slip direction of branch (6.1) relative connecting block (6.2), the runner (19) of being connected with first binding piece (5) are installed to each rotation junction of first pole (6.4A), second pole (6.4B), the mounting bracket (6) and the structure of second pole (13) are the same principle.

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