CN210749330U

CN210749330U - A strut fixer for liver transplantation operation

Info

Publication number: CN210749330U
Application number: CN201921138052.XU
Authority: CN
Inventors: 施晓敏; 董家勇; 杨璟辉; 宋少华; 郭猛; 张磊; 邹游
Original assignee: Shanghai Changzheng Hospital
Current assignee: Shanghai Changzheng Hospital
Priority date: 2019-07-19
Filing date: 2019-07-19
Publication date: 2020-06-16
Anticipated expiration: 2029-07-19

Abstract

The utility model discloses a strut fixer for liver transplantation operation, including connecting pivot, installation handle, mounting hole, support handle, mounting, locking reed, strut tooth, protection pad, location tooth, supporting spring, gripping piece, adjusting sleeve, screw rod mouth, adjusting device, handle and transition pad. The utility model has the advantages that: the angle between the installation handle can be in the regulation of freedom under adjusting device's promotion, can accomplish the support to the arbitrary angle of edge of a knife, can adapt to different edges of a knife through the regulation of self, supporting spring can apply outside elasticity to the installation handle of both sides, can provide outside holding power to the installation handle, prevent that the shrink of edge of a knife from reducing the angle between two installation handles, thereby play good supporting effect, the installation is dismantled from the installation handle that the support handle can be free, can carry out free disassembling, make things convenient for the later stage to disinfect.

Description

A strut fixer for liver transplantation operation

Technical Field

The utility model relates to a strut fixer, specifically be a strut fixer for liver transplantation operation belongs to the medical instrument equipment field.

Background

At present, in the medical liver transplantation operation, the abdominal wall needs to be cut open, but because of the strong contraction force of muscles, a small incision is easy to automatically close, the operation visual field can be reduced, if the operation visual field is required to be clear, the passive expansion of the surgical incision will inevitably increase the trauma of the patient, which is not beneficial to the recovery after the operation, the good surgical field is the basic condition for ensuring the operation, the medical staff is needed to open the incision, thereby helping medical staff to carry out operation, if the incision can not be propped open, the operation can not be carried out quickly and accurately, the existing propping open fixator for liver transplantation adopts a mechanical mode to prop open the incision, easily damages tissues such as muscles, fat and the like of the abdominal wall, can not effectively protect the tissues and is not beneficial to postoperative recovery, but also can not meet the requirements of people for freely adjusting various angles, and is not particularly convenient for disinfection.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the problems and provide a distraction fixator for liver transplantation.

The utility model discloses a following technical scheme realizes above-mentioned purpose: a distraction fixator for liver transplantation operation comprises a connecting rotating shaft, an installation handle, an installation hole, a support handle, a fixing piece, a locking reed, distraction teeth, a protection pad, positioning teeth, a support spring, a holding block, an adjusting sleeve, a screw port, an adjusting device, a handle and a transition pad; the connecting rotating shaft is provided with two mounting handles, the mounting handles are provided with mounting holes, the lower ends of the supporting handles are fixed with fixing pieces, two sides of each fixing piece are fixed with deformable locking spring leaves, the fixing pieces are mounted in the mounting holes so as to connect the mounting handles with the supporting handles together, the supporting handles can be freely detached from the mounting handles, the top ends of the supporting handles are fixed with distraction teeth, the outer end faces of the distraction teeth are fixed with a layer of protective pad, the connecting parts of the supporting handles and the distraction teeth are fixed with positioning teeth, the distraction teeth and the positioning teeth are both arc-shaped and perpendicular to each other, a supporting spring is fixed between the mounting handles, the supporting spring can apply outward elasticity to the mounting handles on two sides, the outer side faces of the mounting handles are fixed with inward-concave arc-shaped holding blocks, two mounting handles and one mounting handle are fixed with an adjusting sleeve, and the other mounting handle is provided with a screw port, adjusting device passes screw rod mouth and adjusting sleeve and installs together, the angle between the installation handle can be in the regulation of adjusting device's promotion freedom down, the bottom of connecting the pivot is fixed with the handle, the junction of strutting tooth and location tooth is fixed with the transition pad of soft material.

Further, in order to adapt to different knife edges through self adjustment, the angle between the mounting handles can be freely adjusted under the pushing of the adjusting device.

Further, in order to prevent the knife edge from contracting to reduce the angle between the two mounting shanks, the support spring may apply an outward elastic force to the mounting shanks on both sides.

Furthermore, in order to facilitate later sterilization, the support handle can be freely detached from the mounting handle.

Further, in order to prevent the occurrence of sliding during supporting and reduce the supporting effect, the opening teeth and the positioning teeth are both arc-shaped and are perpendicular to each other.

Furthermore, in order to avoid damaging tissues such as fat, muscles and the like at the distraction part, a layer of protective pad is fixed on the outer end face of the distraction tooth.

Furthermore, in order to facilitate the holding of a user, an inwards concave arc-shaped holding block is fixed on the outer side surface of the mounting handle.

Furthermore, in order to enable the connection of the mounting handle and the supporting handle to be more tight, two sides of the fixing piece are fixed with deformable locking reeds.

Furthermore, in order to make the transition of the joint of the two smooth, a transition pad made of soft material is fixed at the joint of the strutting tooth and the positioning tooth.

The utility model has the advantages that: the strutting fixer has compact structure connection, simple use and reasonable design, the angle between the mounting handles can be freely adjusted under the pushing of the adjusting device, the supporting to any angle of the knife edge can be realized, different knife edges can be adapted through self adjustment, the supporting spring can apply outward elasticity to the mounting handles at two sides, the outward supporting force can be provided for the mounting handles, the contraction of the knife edge is prevented from reducing the angle between the two mounting handles, thereby having good supporting effect, the supporting handles can be freely disassembled and mounted from the mounting handles, the disinfection at the later stage is convenient, the strutting teeth and the positioning teeth are both arc-shaped and are mutually vertical to each other, the strutting teeth are matched with the skin shapes at two sides of the knife edge, the strutting teeth can be effectively clamped at two sides of the knife edge during supporting, the sliding is prevented from generating during supporting, the supporting effect is reduced, and a layer of cushion is fixed on the outer end face of the strutting teeth, play the guard action to the tissue, avoid the damage to strut the position fat, tissues such as muscle, be fixed with the arc of indent on the lateral surface of installation handle and grip the piece, make things convenient for the user of use to grip, can not take place the landing in the hand, be fixed with the locking reed that can deform on the both sides of mounting, make the installation handle and the fastening more that the support handle is connected, be difficult to take place relative movement, the junction that struts tooth and location tooth is fixed with the transition pad of soft material, make the junction transition of the two more level and smooth, be difficult to damage the tissue during the support.

Drawings

FIG. 1 is an exploded view of the overall structure of the present invention;

FIG. 2 is a schematic view of the transition pad structure of the present invention;

FIG. 3 is a schematic view of the locking spring of the present invention;

FIG. 4 is a schematic view of the connection structure of the adjusting sleeve and the adjusting device of the present invention;

FIG. 5 is a schematic view of the overall structure of the present invention;

in the figure: 1. the connecting device comprises a connecting rotating shaft, 2, a mounting handle, 3, a mounting hole, 4, a supporting handle, 5, a fixing piece, 6, a locking reed, 7, a supporting tooth, 8, a protective pad, 9, a positioning tooth, 10, a supporting spring, 11, a holding block, 12, an adjusting sleeve, 13, a screw rod port, 14, an adjusting device, 15, a handle, 16 and a transition pad.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-5, a distraction fixator for liver transplantation comprises a connecting rotating shaft 1, a mounting handle 2, a mounting hole 3, a supporting handle 4, a fixing piece 5, a locking reed 6, a distraction tooth 7, a protective pad 8, a positioning tooth 9, a supporting spring 10, a holding block 11, an adjusting sleeve 12, a screw port 13, an adjusting device 14, a handle 15 and a transition pad 16; the connecting rotating shaft 1 is provided with two mounting handles 2, the mounting handles 2 are provided with mounting holes 3, the lower ends of the supporting handles 4 are fixed with fixing pieces 5, the fixing pieces 5 are fixed rods, deformable locking reeds 6 are fixed on two sides of the fixing pieces 5, the fixing pieces 5 are installed in the mounting holes 3 so as to connect the mounting handles 2 and the supporting handles 4 together, the supporting handles 4 can be freely detached from the mounting handles 2 for installation, the top ends of the supporting handles 4 are fixed with spreading teeth 7, the outer end faces of the spreading teeth 7 are fixed with a layer of protective cushion 8, the connecting parts of the supporting handles 4 and the spreading teeth 7 are fixed with positioning teeth 9, the spreading teeth 7 and the positioning teeth 9 are both arc-shaped and are perpendicular to each other, supporting springs 10 are fixed between the mounting handles 2, the supporting springs 10 can apply outward elasticity to the mounting handles 2 on two sides, be fixed with the arc of indent on the lateral surface of installation handle 2 and hold piece 11, installation handle 2 has two and is fixed with adjusting sleeve 12 on one installation handle 2 and is provided with screw rod mouth 13 on another installation handle 2, adjusting device 14 is adjusting screw, and it passes screw rod mouth 13 and adjusting sleeve 12 and installs together, the angle between the installation handle 2 can be in the regulation of freedom under adjusting device 14's promotion, the bottom of connecting pivot 1 is fixed with handle 15, the junction of propping out tooth 7 and location tooth 9 is fixed with soft material's transition pad 16.

As the utility model discloses a technical optimization scheme: the angle between the mounting handles 2 can be freely adjusted under the pushing of the adjusting device 14; the supporting spring 10 can apply outward elastic force to the mounting handles 2 at two sides; the support handle 4 can be freely detached from the mounting handle 2; the opening teeth 7 and the positioning teeth 9 are arc-shaped and are perpendicular to each other; a layer of protective pad 8 is fixed on the outer end face of the distraction tooth 7; an inwards concave arc-shaped holding block 11 is fixed on the outer side surface of the mounting handle 2; the two sides of the fixing piece 5 are fixed with deformable locking reeds 6; a transition pad 16 made of soft material is fixed at the joint of the distraction teeth 7 and the positioning teeth 9.

The utility model discloses when using, at first twist and move adjusting device to adjust the angle between two installation handles, after adjusting suitable angle, prop open the tooth with two and support respectively on the tissue of edge of a knife both sides, and the tissue card of relieving the edge of a knife both sides is propped open between tooth and the location tooth, can prop open the edge of a knife, forms good operation field of vision, thereby can perform the operation, take out after the operation is accomplished and should prop open the fixer, will support the handle and take off from the installation handle and make things convenient for the later stage to disinfect.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. A strut fixer for liver transplantation operation which characterized in that: the device comprises a connecting rotating shaft (1), a mounting handle (2), a mounting hole (3), a supporting handle (4), a fixing piece (5), a locking reed (6), a propping tooth (7), a protective pad (8), a positioning tooth (9), a supporting spring (10), a holding block (11), an adjusting sleeve (12), a screw rod port (13), an adjusting device (14), a handle (15) and a transition pad (16); the connecting rotating shaft (1) is provided with two mounting handles (2), the mounting handles (2) are provided with mounting holes (3), the lower ends of the supporting handles (4) are fixed with fixing pieces (5), the fixing pieces (5) are provided with locking reeds (6), the fixing pieces (5) are mounted in the mounting holes (3) so as to connect the mounting handles (2) with the supporting handles (4), the top ends of the supporting handles (4) are fixed with spreading teeth (7), the spreading teeth (7) are provided with protective pads (8), the supporting handles (4) and the joints of the spreading teeth (7) are fixed with positioning teeth (9), supporting springs (10) are fixed between the mounting handles (2), the outer sides of the mounting handles (2) are fixed with holding blocks (11), the mounting handles (2) are provided with two mounting handles (2), one mounting handle (2) is fixed with an adjusting sleeve (12), and the other mounting handle (2) is provided with a screw rod opening (13), adjusting device (14) pass screw rod mouth (13) and adjusting sleeve (12) and install together, the bottom of connecting pivot (1) is fixed with handle (15), be fixed with transition pad (16) on strutting tooth (7) and location tooth (9).

2. A distraction fixture for liver transplantation procedure according to claim 1, wherein: the angle between the mounting handles (2) can be freely adjusted under the pushing of the adjusting device (14).

3. A distraction fixture for liver transplantation procedure according to claim 1, wherein: the supporting spring (10) can apply outward elastic force to the mounting handles (2) on two sides.

4. A distraction fixture for liver transplantation procedure according to claim 1, wherein: the supporting handle (4) can be freely detached from the mounting handle (2).

5. A distraction fixture for liver transplantation procedure according to claim 1, wherein: the spreading teeth (7) and the positioning teeth (9) are arc-shaped and are perpendicular to each other.

6. A distraction fixture for liver transplantation procedure according to claim 1, wherein: a layer of protective pad (8) is fixed on the outer end face of the distraction tooth (7).

7. A distraction fixture for liver transplantation procedure according to claim 1, wherein: an inwards concave arc-shaped holding block (11) is fixed on the outer side surface of the mounting handle (2).

8. A distraction fixture for liver transplantation procedure according to claim 1, wherein: and deformable locking reeds (6) are fixed on two sides of the fixing piece (5).

9. A distraction fixture for liver transplantation procedure according to claim 1, wherein: a transition pad (16) made of soft materials is fixed at the joint of the opening tooth (7) and the positioning tooth (9).