CN110974381A

CN110974381A - Reduce steel sheet screw internal fixation art equipment of wound area

Info

Publication number: CN110974381A
Application number: CN201911292081.6A
Authority: CN
Inventors: 何舟; 周芳
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-12-16
Filing date: 2019-12-16
Publication date: 2020-04-10

Abstract

The invention relates to the technical field of bone surgery steel plate screw fixation, and discloses steel plate screw internal fixation equipment for reducing wound area. The elastic knife is slightly deformed when being extruded, and the deformation range just covers the disinfection piece, so that the saline bag in the elastic knife can be cut open, the other part of the saline bag flows into a liquid flow groove in the claw hook from the flow guide pipe, then the saline bag flows out from one end of the claw hook and the cut surface due to the spring rod extruded by the screw rod, and the saline bag in the process flows out from the sealed space formed by the screw rod and the push rod, so that the effect of treating and consuming the wound of a patient in the sealed space is achieved.

Description

Reduce steel sheet screw internal fixation art equipment of wound area

Technical Field

The invention relates to the technical field of steel plate screw fixation in orthopedic surgery, in particular to steel plate screw internal fixation equipment for reducing wound area.

Background

Steel plate screw internal fixation, which is mainly used for long tubular bone fracture, is relatively firm and has more clinical applications; going on of steel sheet screw internal fixation art, need the doctor to hand the scalpel earlier and will need the fixed part to cut open, later use strutting arrangement to strut skin, later squeeze into patient's bone with the screw inside, sew up after accomplishing, and patient's daily attention habits and customs in addition, the wound is fully recovered soon.

In the process of the operation, due to the lack of auxiliary equipment, after the skin is cut open, the wound can be shrunk together due to certain elasticity of the skin, secondary damage to skin tissues can be caused when the skin is opened again, and the wound area is increased; in addition, when the skin of a patient is scratched, the wound is exposed to the air, and bacteria exist in the air, so that the probability of wound infection is increased, and the steel plate screw internal fixation device capable of reducing the wound area is produced.

Disclosure of Invention

In order to realize the purposes of timely propping open the supporting component along with the increase of the incision range, preventing skin tissues from being secondarily injured and treating and consuming wounds of patients in a sealed space, the invention provides the following technical scheme: the utility model provides a reduce steel sheet screw internal fixation art equipment of wound area, includes the screw rod, the equal swing joint in both ends of screw rod has the push rod, and the one end swing joint that the screw rod was kept away from to the push rod has the slider, the back fixedly connected with elasticity sword of slider, and the surperficial swing joint of elasticity sword has the guide rail, the inside swing joint of screw rod has the spring beam, and the surperficial swing joint of spring beam has the claw hook, and the inside swing joint of claw hook has the engaging wheel, and the surperficial swing joint of engaging wheel has the handle, and the one end swing joint speed governing wheel.

The invention has the beneficial effects that:

1. through rotating the screw rod, it can promote the claw hook through the meshing wheel and remove to the direction that is close to the elastic knife, and along with constantly moving down of elastic knife, the claw hook can contact with the tangent plane of skin, and the elastic knife no longer moves down when the screw rod stall, and the symmetrical claw hook is taken off incision department this moment to reached and in time strutted the incision and prevented that skin tissue from by secondary damage's effect.

2. The elastic knife is extruded to generate slight deformation, and the deformation range just covers the disinfection piece, so that the saline bag in the saline bag can be scratched by the elastic knife, the other part of the saline bag flows into a liquid flow groove in the claw hook from the flow guide pipe, the spring rod extruded by the screw rod flows out from one end of the claw hook and the cut surface, and the spring rod is in a sealed space formed by the screw rod and the push rod in the process, so that the effect of treating and consuming the wound of a patient in the sealed space is achieved.

Preferably, the surface of the guide rail is movably connected with a disinfection piece.

Preferably, the inside of the disinfection piece is provided with a saline bag, the saline bag is filled with normal saline for disinfection, and the normal saline, also called sterile normal saline, refers to a sodium chloride solution with osmotic pressure basically equal to that of animal or human plasma commonly used in physiological experiments or clinic.

Preferably, the surface of the saline water bag is fixedly connected with a flow guide pipe.

Preferably, one end of the claw hook, which is far away from the handle, is fixedly connected with a skin-friendly sleeve, and the skin-friendly sleeve plays a role in preventing skin tissues from being scratched.

Preferably, the claw hook is internally provided with a liquid flow groove.

Preferably, the push rods are symmetrically arranged by taking the disinfection piece as a center, so that the elastic knives can be extruded conveniently and simultaneously.

Preferably, the elastic blade moves downwards when being pressed and moves downwards in an inclined way, so that the surface of the elastic blade can be soaked by saline firstly and then the elastic blade is used after being disinfected.

Drawings

FIG. 1 is a front cross-sectional view of the screw construction of the present invention;

FIG. 2 is a schematic view of the structure of the elastic knife according to the present invention;

FIG. 3 is a schematic view of a sterilization member according to the present invention;

FIG. 4 is a schematic view of a claw hook according to the present invention;

FIG. 5 is an enlarged view of a portion A of FIG. 4;

FIG. 6 is a schematic view of the structure of the liquid flow cell of the present invention.

In the figure: 1-screw, 2-push rod, 3-slide block, 4-elastic knife, 5-guide rail, 6-spring rod, 7-claw hook, 8-engaging wheel, 9-handle, 10-speed regulating wheel, 11-disinfection piece, 12-saline bag, 13-guide pipe, 14-skin-friendly sleeve and 15-liquid flow groove.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-6, a steel plate screw internal fixation device for reducing wound area comprises a screw rod 1, wherein two ends of the screw rod 1 are movably connected with push rods 2, the push rods 2 play a role in controlling the slide blocks 3 to move and extrude elastic knives 4, one ends of the push rods 2, which are far away from the screw rod 1, are movably connected with the slide blocks 3, the back parts of the slide blocks 3 are fixedly connected with the elastic knives 4, the elastic knives 4 are made of metal elastic materials and are double-edged, the elastic knives 4 move downwards when being extruded and move downwards for inclining, and the design is that the surfaces of the elastic knives can be soaked with saline water firstly and used after being disinfected.

The surface of the elastic knife 4 is movably connected with a guide rail 5, the surface of the guide rail 5 is movably connected with a disinfection part 11, the push rod 2 is symmetrically placed by taking the disinfection part 11 as a center, so as to extrude the elastic knife 4 at the same time, a saline bag 12 is placed inside the disinfection part 11, saline for disinfection is filled in the saline bag 12, the saline, also called sterile saline, refers to sodium chloride solution with osmotic pressure basically equal to that of animal or human plasma in physiological experiments or clinical common use, the surface of the saline bag 12 is fixedly connected with a draft tube 13, the inside of the screw rod 1 is movably connected with a spring rod 6, the spring rod 6 plays a role in extruding saline in a fluid flowing groove 15, the surface of the spring rod 6 is movably connected with a claw hook 7, the screw rod 1 is placed at a part to be operated, the elastic knife 4 is positioned above the part to be cut, the screw rod 1 is rotated to drive the push rod 2 to, the symmetrical sliders 3 are brought close to each other on the surface of the guide rail 5, i.e., the elastic blade 4 is pressed to contact the skin of the patient and cut the skin of the patient.

Fluid flow groove 15 has been seted up to the inside of claw hook 7, the inside swing joint of claw hook 7 has meshing wheel 8, the surperficial swing joint of meshing wheel 8 has handle 9, handle 9 plays the effect that can be to claw hook 7 single control, the notched angle of the adjustment support of being convenient for, the one end fixedly connected with close skin cover 14 of handle 9 is kept away from to claw hook 7, close skin cover 14 plays the effect that prevents that skin tissue from being scratched, the one end swing joint flywheel 10 of claw hook 7 is kept away from to meshing wheel 8.

When the skin-care knife is used, when the screw rod 1 rotates, the claw hook 7 is pushed by the meshing wheel 8 to move towards the direction close to the elastic knife 4, the claw hook 7 is contacted with the tangent plane of the skin along with the continuous downward movement of the elastic knife 4, when the screw rod 1 stops rotating, the elastic knife 4 does not move downward any more, the symmetrical claw hooks open the cut, and the meshing wheel 8 improves the tension of the claw hook 7; the elastic knife 4 is pushed by the screw 1 to move downwards to be contacted with the skin of a patient, when the elastic knife 4 is extruded, the elastic knife 4 is slightly deformed, and the deformation range just covers the disinfection piece 11, so that the saline bag 12 in the elastic knife 4 is cut off, the other part of the saline bag flows to the liquid flow groove 15 in the claw hook 7 from the liquid flow pipe 13, and then the spring rod 6 extruded by the screw 1 flows out from one end of the claw hook 7 contacted with the incision surface, and the spring rod occurs in a sealed space formed by the screw 1 and the push rod 2 in the process.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be able to cover the technical scope of the present invention and the equivalent alternatives or modifications according to the technical solution and the inventive concept of the present invention within the technical scope of the present invention.

Claims

1. The utility model provides a reduce steel sheet screw internal fixation art equipment of wound area, includes screw rod (1), its characterized in that: both ends of the screw rod (1) are movably connected with push rods (2), one end of each push rod (2) far away from the screw rod (1) is movably connected with a sliding block (3), the back of each sliding block (3) is fixedly connected with an elastic cutter (4), and the surface of each elastic cutter (4) is movably connected with a guide rail (5);

the inner movable connection of screw rod (1) has spring beam (6), and the surface movable connection of spring beam (6) has claw hook (7), and the inner movable connection of claw hook (7) has meshing wheel (8), and the surface movable connection of meshing wheel (8) has handle (9), and one end swing joint speed governing wheel (10) of claw hook (7) are kept away from in meshing wheel (8).

2. The steel plate screw internal fixation device for reducing wound area of claim 1, wherein: the surface of the guide rail (5) is movably connected with a disinfection piece (11).

3. The steel plate screw internal fixation device for reducing wound area of claim 2, wherein: a saline bag (12) is arranged inside the disinfection piece (11).

4. A reduced wound area steel plate screw internal fixation device as claimed in claim 3 wherein: the surface of the saline water bag (12) is fixedly connected with a guide pipe (13).

5. The steel plate screw internal fixation device for reducing wound area of claim 1, wherein: one end of the claw hook (7) far away from the handle (9) is fixedly connected with a skin-friendly sleeve (14).

6. The steel plate screw internal fixation device for reducing wound area of claim 1, wherein: a liquid flow groove (15) is formed in the claw hook (7).

7. The steel plate screw internal fixation device for reducing wound area of claim 1, wherein: the push rods (2) are symmetrically arranged by taking the disinfection piece (11) as a center.

8. The steel plate screw internal fixation device for reducing wound area of claim 1, wherein: the elastic knife (4) moves downwards when being squeezed.