CN212261496U

CN212261496U - Orthopedic parallel pressurizing positioner

Info

Publication number: CN212261496U
Application number: CN202020681337.4U
Authority: CN
Inventors: 施忠民; 王忠礼; 谷海文
Original assignee: Shandong Weigao Orthopedic Materials Co Ltd
Current assignee: Shandong Weigao Orthopedic Materials Co Ltd
Priority date: 2020-04-28
Filing date: 2020-04-28
Publication date: 2021-01-01
Anticipated expiration: 2030-04-28

Abstract

The utility model relates to an orthopedic surgery equipment field especially relates to an orthopedics parallel pressurization locator. The utility model is provided with two mutually hinged pincers parts, the pincers parts are provided with a connected pincers handle and a connected pincers head, the two pincers parts are respectively a fixed pincers part and a movable pincers part, the fixed pincers part is provided with a connected fixed pincers handle and a connected fixed pincers head, and the movable pincers part is provided with a connected movable pincers handle and a connected movable pincers head; the orthopedic parallel pressurizing positioner is also provided with a fixed frame and a movable frame, the front end of the fixed binding clip is fixed on the fixed frame, and the movable frame is movably connected with the fixed frame and the front end of the movable binding clip; the top of mount is equipped with directional inboard location point, and the top of removing the frame is connected with the location guide pin bushing, and the center of the directional location guide pin bushing front end of location point, the inside of location guide pin bushing is equipped with hollow needle passageway of putting. The utility model is used for the location and the pressurization of fracture position reset among the bone surgery.

Description

Orthopedic parallel pressurizing positioner

Technical Field

The utility model relates to an orthopedic surgery equipment field especially relates to an orthopedics parallel pressurization locator.

Background

The general flow of orthopedic surgery is as follows: medical radiography, observation of fracture conditions, selection of orthopedic screws and matching tools with appropriate specifications → positioning and pressure reduction of fracture sites → preparation of screw tunnels → repair of upper nails.

The traditional compression reduction tool can only realize the function of holding and fixing the bone block at the fracture part, can not realize the positioning and compression actions in the parallel direction, can not control the moving direction of the bone block during reduction, and is easy to cause the situation that the bone surface of the fracture part is not attached after being locked; in addition, the locking operation is carried out in a threaded rotation or rack stepping mode, time and labor are wasted, positioning and pressurization are prone to failure due to carelessness in operation, repeated operation is needed, and pain of a patient is increased.

Disclosure of Invention

The utility model discloses be exactly to prior art not enough, provide a parallel pressurization locator of orthopedics, realized the location to fracture position parallel direction, reset and the integrative operation of pressurization, simplified operation steps to make the butt joint of fracture position more accurate, the pressure release operation of a key formula is more convenient simultaneously.

The technical scheme of the utility model is that:

the orthopedic parallel pressurizing positioner is provided with two clamp parts which are hinged with each other, wherein the clamp parts are provided with a clamp handle and a clamp head which are connected with each other, the two clamp parts are respectively a fixed clamp part and a movable clamp part, the fixed clamp part is provided with a fixed clamp handle and a fixed clamp head which are connected with each other, and the movable clamp part is provided with a movable clamp handle and a movable clamp head which are connected with each other; the orthopedic parallel pressurizing positioner is also provided with a fixed frame and a movable frame, the front end of the fixed binding clip is fixed on the fixed frame, and the movable frame is movably connected with the fixed frame and the front end of the movable binding clip; the top of mount is equipped with directional inboard location point, and the top of removing the frame is connected with the location guide pin bushing, and the center of the directional location guide pin bushing front end of location point, the inside of location guide pin bushing is equipped with hollow needle passageway of putting.

Preferably, the fixed frame is provided with a fixed underframe and a fixed upper frame which are vertically connected with each other, and the front end of the fixed tong head is fixed on the fixed underframe; the movable frame is provided with a limiting sleeve and a movable upper frame which are mutually vertical and connected, the limiting sleeve is movably sleeved outside the fixed bottom frame and is movably connected with the front end of the movable tong head, and the positioning guide sleeve is connected to the top end of the movable upper frame.

Preferably, the top end of the movable upper frame is provided with a positioning guide sleeve through hole, and the positioning guide sleeve is movably connected with the positioning guide sleeve through hole.

Preferably, the front end of the positioning guide sleeve is provided with anti-slip teeth.

Preferably, the front end of the movable clamp head is provided with a U-shaped groove; the fixed underframe is provided with a through hole A with a top surface and a bottom surface communicated with each other along the linear direction, and the U-shaped groove is arranged in the through hole A and can move in the through hole A along the linear direction of the fixed underframe; the fixed underframe is also provided with a through hole B which is communicated with the through hole A along the linear direction and is communicated with the front side and the rear side; the top wall of the limiting sleeve is provided with a through hole C through which the U-shaped groove can pass, and the bottom wall of the limiting sleeve is provided with an opening through which the U-shaped groove can pass; be equipped with relative through-hole C and through-hole D on the antetheca of stop collar and the back wall, be equipped with the connecting piece jointly in through-hole C and the through-hole D, the connecting piece passes through-hole B simultaneously and the centre gripping is in the U-shaped recess in U type groove, and the connecting piece is the round pin post.

Preferably, a fixed limiting rack is arranged on the outer wall of the front side of the fixed underframe positioned at the periphery of the through hole B; the limiting sleeve which is positioned at the same side with the fixed limiting rack is also provided with a pressure release mechanism; the front part of the pressure release mechanism is provided with two movable limiting teeth which are bent inwards, the movable limiting teeth penetrate through the front side wall of the limiting sleeve to be meshed with the fixed limiting rack, the rear part of the pressure release mechanism is provided with a pressing end, and the pressure release mechanism is further provided with a torsion spring.

Preferably, the angle of the teeth of the fixed limit rack inclines to one side close to the fixed upper frame.

Preferably, an elastic reset piece is arranged between the fixed clamp part and the movable clamp part; the elastic reset piece is provided with a first elastic piece and a second elastic piece, the first elastic piece and the second elastic piece are both arc-shaped, one end of the first elastic piece is connected with one end of the second elastic piece, the other end of the first elastic piece is fixedly connected with the fixed forceps handle, and the other end of the second elastic piece is fixedly connected with the movable forceps handle.

Preferably, the front end of the fixed tong head is obliquely fixed on the fixed underframe; the fixed tong head is provided with a moving tong head through hole with a top surface and a bottom surface communicated with each other, the moving tong head penetrates through the moving tong head through hole and is in cross hinge with the fixed tong head, and the cross hinge mode is in cross hinge through a branchial shaft screw.

Preferably, the surfaces of the fixed clamp handle and the movable clamp handle are both provided with anti-skidding structures, and the anti-skidding structures are anti-skidding grooves.

The utility model has the advantages that:

1) the utility model realizes the positioning of the fracture part and the simultaneous pressurization and reduction operation and can keep the pressurization state, thereby simplifying the operation steps, improving the working efficiency of doctors and relieving the pain of patients; the fracture part is subjected to pressurization reset operation by relative movement of the positioning guide sleeve and the positioning tip in the parallel direction, so that the moving direction of the bone block during reset can be better controlled, and the fracture part is more accurately butted and reset.

2) The utility model discloses a location guide pin bushing and location guide pin bushing through-hole threaded connection can change the location guide pin bushing of different specifications as required, and the location guide pin bushing of different specifications is equipped with the needle passageway of putting in different apertures, is suitable for the guide pin of different specifications, can select location guide pin bushing and the guide pin that suits with orthopedics hollow screw inner diameter as required, makes things convenient for the doctor to drill the location and put into the guide pin fracture position in the art. The front end of the positioning guide sleeve is provided with anti-skidding teeth, and the protruded tooth surface can ensure the holding force with the bone block at the fracture part during pressurization, thereby reducing the risk of the positioning guide sleeve slipping from the fracture part.

3) The one-key pressure release operation of the pressure release mechanism can ensure that a doctor can withdraw from the orthopedic hollow screw and the fracture part quickly after locking the orthopedic hollow screw and the fracture part, the operation effect is observed, and the operation steps are also simplified.

Drawings

Fig. 1 is a schematic structural view of the present invention;

fig. 2 is a schematic structural diagram of a rear view of the present invention;

fig. 3 is a schematic perspective view of the present invention;

FIG. 4 is a schematic structural view of the present invention for removing the movable frame and the positioning guide sleeve;

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

FIG. 6 is a schematic structural view of the movable clamp part of the present invention;

fig. 7 is a schematic structural view of the movable frame of the present invention;

fig. 8 is a schematic structural view of the positioning guide sleeve of the present invention;

fig. 9 is a reference diagram of an application state of the present invention.

The symbols in the drawings illustrate that:

1. a fixed clamp part; 1-1, fixing a clamp handle; 1-11. anti-slip groove; 1-2, fixing a tong head; 1-21, the movable tong head passes through the hole;

2. a movable clamp part; 2-1, moving a clamp handle; 2-2, moving the clamp head; 2-3. U-shaped groove;

3. a gill shaft screw;

4. an elastic reset member; 4-1, a first elastic sheet; 4-2. a second elastic sheet;

5. a fixed mount; 5-1, fixing the underframe; 5-11, fixing a limit rack; 5-12, passing the U-shaped groove through the hole A; 5-13, the pin A passes through the hole; 5-2, fixing the upper frame; 5-3, positioning the tip;

6. a movable frame; 6-1, a limiting sleeve; 6-11. the U-shaped groove passes through the hole B; 6-12, fixing the through hole by the first pin A; 6-13, fixing the through hole by a second pin A; 6-14, limiting plate; 6-15, the movable limit teeth pass through the holes; 6-2, moving the upper frame; 6-21, positioning the through hole of the guide sleeve;

7. a pin A;

8. a pressure release mechanism; 8-1, pin B; 8-2, pressing end; 8-3, movable limiting teeth;

9. positioning the guide sleeve; 9-1, placing a needle channel; 9-2. anti-slip teeth;

10. guiding a needle; 11. orthopedic hollow screws; 12. the fracture site.

Detailed Description

The following describes in detail embodiments of the present invention with reference to the drawings.

As shown in fig. 1 and 2, the utility model is provided with a fixed jaw part 1 and a movable jaw part 2, the fixed jaw part 1 and the movable jaw part 2 are hinged in a crossed manner through a branchial shaft screw 3, an elastic reset piece 4 is arranged between the fixed jaw part 1 and the movable jaw part 2, and the front end of the fixed jaw part 1 is fixedly connected with a fixed frame 5; the utility model is also provided with a movable frame 6, the movable frame 6 is movably connected with the fixed frame 5 and the movable clamp part 2 through a pin A7, and the top of the movable frame 6 is connected with a positioning guide sleeve 9; the moving frame 6 is also provided with a pressure release mechanism 8.

As shown in fig. 3, the movable clamp part 2 is provided with a movable clamp handle 2-1 and a movable clamp head 2-2 which are connected, and the fixed clamp part 1 is provided with a fixed clamp handle 1-1 and a fixed clamp head 1-2 which are connected; wherein, the movable clamp handle 2-1 and the fixed clamp handle 1-1 are arranged oppositely. The elastic reset piece 4 is provided with a first elastic piece 4-1 and a second elastic piece 4-2, the first elastic piece 4-1 and the second elastic piece 4-2 are both arranged in an arc shape, one end of the first elastic piece 4-1 is connected with one end of the second elastic piece 4-2, the other end of the first elastic piece 4-1 is fixedly connected with the fixed clamp handle 1-1, and the other end of the second elastic piece 4-2 is fixedly connected with the movable clamp handle 2-1. When the fixed clamp handle 1-1 and the movable clamp handle 2-1 are held by hands and pressure is applied to the movable clamp handle 2-1, the fixed clamp handle 1-1 and the movable clamp handle 2-1 are close to each other and drive the first elastic sheet 4-1 and the second elastic sheet 4-2 to be close to each other; the surfaces of the fixed clamp handle 1-1 and the movable clamp handle 2-1 are respectively provided with an anti-slip groove 1-11, so that the friction force during holding is increased. The fixed tong head 1-2 is provided with a strip-shaped moving tong head through hole 1-21 with the top surface and the bottom surface communicated, the moving tong head 2-2 penetrates through the moving tong head through hole 1-21 to be hinged with the fixed tong head 1-2 in a crossing way through a gill shaft screw 3 and can rotate around the gill shaft screw 3 in the moving tong head through hole 1-21, and the front end of the moving tong head 2-2 is provided with a U-shaped groove 2-3 as shown in figure 6.

As shown in FIGS. 3 and 4, the fixed frame 5 is provided with a fixed base frame 5-1 and a fixed upper frame 5-2 which are vertically connected with each other, and the front end of the fixed binding clip 1-2 is obliquely fixed on the fixed base frame 5-1. The top of the fixed upper frame 5-2 is provided with a positioning tip 5-3 pointing to the inner side; the fixed underframe 5-1 is provided with a strip-shaped U-shaped groove through hole A5-12 with a top surface and a bottom surface communicated in the linear direction, and the U-shaped groove 2-3 is arranged in the U-shaped groove through hole A5-12 and can move in the U-shaped groove through hole A5-12 in the linear direction of the fixed underframe 5-1; the fixed underframe 5-1 is also provided with strip-shaped pin A through holes 5-13 which are communicated with the front side and the back side along the linear direction, and the pin A is communicated with the U-shaped groove through holes A5-12 through the holes 5-13. The outer wall of the front side of the fixed chassis 5-1 positioned at the periphery of the pin A through hole 5-13 is provided with a fixed limit rack 5-11, as shown in figure 5, the angle of the teeth of the fixed limit rack 5-11 inclines to the side close to the fixed upper frame 5-2.

As shown in figures 3 and 7, the movable frame 6 is provided with a limiting sleeve 6-1 and a movable upper frame 6-2 which are vertically connected with each other, and the limiting sleeve 6-1 is sleeved outside the fixed underframe 5-1 and can move along the fixed underframe 5-1. A strip-shaped U-shaped groove through hole B6-11 is arranged at the position, opposite to the U-shaped groove through hole A5-12, of the top wall of the limiting sleeve 6-1, and an opening through which the U-shaped groove 2-3 can pass is arranged at the position, opposite to the U-shaped groove through hole A5-12, of the bottom wall of the limiting sleeve 6-1. The front wall and the rear wall of the limiting sleeve 6-1 are respectively provided with a first pin A fixing through hole 6-12 and a second pin A fixing through hole 6-13, a pin A7 is arranged in the first pin A fixing through hole 6-12 and the second pin A fixing through hole 6-13, and the pin A7 simultaneously penetrates through the pin A through holes 5-13 and is clamped in a U-shaped groove of the U-shaped groove 2-3. When the fixed clamp handle 1-1 and the movable clamp handle 2-1 are held by hands and pressure is applied to the movable clamp handle 2-1 inwards, the U-shaped groove 2-3 moves towards one end of the fixed bottom frame 5-1 close to the fixed upper frame 5-2 through the hole A5-12 along the U-shaped groove, and the pin A7 is driven to move towards one end of the fixed bottom frame 5-1 close to the fixed upper frame 5-2 through the hole 5-13 along the pin A. In the process, the U-shaped groove 2-3 moves linearly, and the groove of the U-shaped groove 2-3 is designed to prevent the U-shaped groove 2-3 from being clamped by the pin A7 in the process of moving linearly. Two limiting plates 6-14 which are opposite up and down are also arranged on the outer wall of the front side of the limiting sleeve 6-1, and two through holes which are opposite up and down are arranged on the two limiting plates 6-14; the outer wall of the front side of the limiting sleeve 6-1 is provided with a movable limiting tooth through hole 6-15.

As shown in fig. 3, 7 and 8, the top of the movable upper frame 6-2 is provided with a positioning guide sleeve through hole 6-21; the positioning guide sleeve 9 is spirally connected in the through hole 6-21 of the positioning guide sleeve, the positioning tip 5-3 points to the center of the front end of the positioning guide sleeve 9, and the positioning guide sleeve and the positioning tip are matched with each other to position the fracture part 12 of the human body. The positioning guide sleeve 9 is internally provided with a hollow needle placing channel 9-1, and the guide needle 10 is driven into a human body to be drilled and positioned after penetrating through the needle placing channel 9-1, so that the position of the guide needle 10 entering the human body is ensured to be more accurate. The positioning guide sleeve 9 with different specifications is provided with a needle placing channel 9-1 with different apertures, is suitable for guide needles 10 with different specifications, and can select the positioning guide sleeve 9 and the guide needle 10 which are matched with the inner diameter of the hollow screw 11 of the orthopedics department according to requirements, thereby facilitating the operation of drilling, positioning and needle placing for doctors in the operation. The front end of the positioning guide sleeve 9 is provided with the anti-skidding teeth 9-2, when the fracture part 12 is pressurized, the anti-skidding teeth 9-2 can increase the holding force on the fracture part 12, and the risk that the positioning guide sleeve 9 slips from the fracture part 12 is reduced.

As shown in fig. 3, 4 and 5, the middle part of the pressure release mechanism 8 is provided with two through holes which are opposite up and down, the two through holes and the two through holes of the limit plates 6-14 are positioned on the same axis, the four through holes are provided with pins B8-1 together, and the pressure release mechanism 8 is riveted and fixed with the limit sleeve 6-1 through the pins B8-1. The front part of the pressure release mechanism 8 is provided with two movable limit teeth 8-3 which are bent inwards and correspond to the positions of the movable limit tooth through holes 6-15, the movable limit teeth 8-3 penetrate through the movable limit tooth through holes 6-15 and then are meshed with the fixed limit racks 5-11, and the angles of the teeth of the fixed limit racks 5-11 incline towards one side close to the fixed upper frame 5-2, so that when the fracture part 12 is pressurized, the movable limit teeth 8-3 move for a certain distance along the fixed limit racks 5-11 towards one end of the fixed underframe 5-1 close to the fixed upper frame 5-2 and then are firmly locked with the teeth of the fixed limit racks 5-11 and cannot retreat; the rear part of the pressure release mechanism 8 is provided with a pressing end 8-2; a torsion spring (not shown in the figure) is sleeved outside the pin column B8-1, two legs of the torsion spring respectively abut against the outer wall of the front side of the limiting sleeve 6-1 and the inner side of the pressing end 8-2, and the torsion spring is the prior art and is not described herein. The pressing end 8-2 is pressed, the movable limiting teeth 8-3 are separated from the fixed limiting racks 5-11, and the first elastic sheet 4-1 and the second elastic sheet 4-2 are mutually flicked and restore to the original shape.

The utility model discloses a theory of operation:

when the fixed clamp handle 1-1 and the movable clamp handle 2-1 are held by hands and the movable clamp handle 2-1 is pressed inwards to reset the fracture part 12, the fixed clamp handle 1-1 and the movable clamp handle 2-1 are close to each other and drive the first elastic sheet 4-1 and the second elastic sheet 4-2 to be close to each other; the U-shaped groove 2-3 moves to the fixed chassis 5-1 along the straight line close to the fixed upper frame 5-2 through the U-shaped groove through hole A5-12, the limiting sleeve 6-1 is driven to move along the fixed chassis 5-1 in the same direction through the pin A7, so that the movable limiting teeth 8-3 are driven to slide along the fixed limiting rack 5-11 in the same direction, meanwhile, the movable upper frame 6-2 connected with the limiting sleeve 6-1 drives the positioning guide sleeve 9 to move relatively in the direction parallel to the positioning tip 5-3 until the positioning tip 5-3 and the anti-slip teeth 9-2 clamp the two sides of the fracture part 12, and at the moment, the movable limiting teeth 8-3 and the fixed limiting rack 5-11 are in a clamping state. At the moment, the forceps handle 2-1 is loosened, the positioning tip 5-3 and the anti-skid teeth 9-2 keep a pressurized state with the fracture part 12. When the pressing end 8-2 is pressed down, the movable limiting teeth 8-3 are separated from the fixed limiting racks 5-11, and the first elastic sheet 4-1 and the second elastic sheet 4-2 are mutually flicked and restore to the original shape.

As shown in fig. 9, the utility model discloses a use method:

1) the fracture part 12 is observed through medical radiography, and the orthopedic hollow screw 11 and the positioning guide sleeve 9 with proper specifications are selected to determine the resetting direction and the nail feeding position.

2) The positioning point 5-3 and the anti-skid tooth 9-2 of the utility model are respectively supported against the proper positions at the two sides of the fracture part 12 for positioning, the fixed clamp handle 1-1 and the movable clamp handle 2-1 are held by hand and the movable clamp handle 2-1 is pressed inwards, and the positioning guide sleeve 9 and the positioning point 5-3 press the fracture part 12 inwards, thereby resetting the fracture part 12, the clamp handle 2-1 is loosened after resetting is completed, and the positioning point 5-3 and the anti-skid tooth 9-2 and the fracture part 12 keep a pressing state at the moment.

3) After the guide needle 10 passes through the needle placing channel 9-1, the guide needle is driven into the fracture part 12 by using an orthopedic medical electric drill (not shown in the figure), and the needle inserting condition is observed by medical radiography.

4) The cavity of the hollow screw 11 is aligned with the back edge of the guide pin 10 and implanted into the fracture part 12 along the guide pin 10, and the fracture part 12 is fixed.

5) After the fixation is finished, the guide needle 10 is withdrawn, the pressing end 8-2 is pressed down to make the positioning tip 5-3 and the anti-skid tooth 9-2 separate from the fracture part 12, and then the wound of the fracture part 12 is sutured.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

However, the above description is only an embodiment of the present invention, and the scope of the present invention should not be limited thereto, so that the replacement of the equivalent components or the equivalent changes and modifications made according to the protection scope of the present invention should be covered by the claims of the present invention.

Claims

1. The orthopedic parallel pressurizing positioner is provided with two clamp parts which are hinged with each other, wherein the clamp parts are provided with a clamp handle and a clamp head which are connected with each other; the orthopedic parallel pressurizing positioner is also provided with a fixed frame and a movable frame, the front end of the fixed binding clip is fixed on the fixed frame, and the movable frame is movably connected with the fixed frame and the front end of the movable binding clip; the needle holder is characterized in that a positioning tip pointing to the inner side is arranged at the top end of the fixing frame, a positioning guide sleeve is connected to the top of the moving frame, the positioning tip points to the center of the front end of the positioning guide sleeve, and a hollow needle placing channel is arranged inside the positioning guide sleeve.

2. The orthopedic parallel compression positioner as claimed in claim 1, wherein the fixed frame is provided with a fixed underframe and a fixed upper frame which are vertically connected with each other, and the front end of the fixed tong head is fixed on the fixed underframe; the movable frame is provided with a limiting sleeve and a movable upper frame which are mutually perpendicular and connected, the limiting sleeve is movably sleeved outside the fixed bottom frame and is movably connected with the front end of the movable tong head, and the positioning guide sleeve is connected to the top end of the movable upper frame.

3. The orthopedic parallel compression positioner according to claim 2, wherein the top end of the movable upper frame is provided with a positioning guide sleeve through hole, and the positioning guide sleeve is movably connected with the positioning guide sleeve through hole.

4. The orthopedic parallel compression positioner according to claim 1, wherein the front end of the positioning guide sleeve is provided with anti-slip teeth.

5. The orthopedic parallel compression positioner as claimed in claim 2, wherein the front end of the movable clamp head is provided with a U-shaped groove; the fixed underframe is provided with a through hole A with a top surface and a bottom surface communicated with each other along the linear direction, and the U-shaped groove is arranged in the through hole A and can move in the through hole A along the linear direction of the fixed underframe; the fixed underframe is also provided with a through hole B which is through from front to back side along the linear direction, and the through hole B is communicated with the through hole A; the top wall of the limiting sleeve is provided with a through hole C through which the U-shaped groove can pass, and the bottom wall of the limiting sleeve is provided with an opening through which the U-shaped groove can pass; be equipped with relative through-hole C and through-hole D on the antetheca of stop collar and the back wall, be equipped with the connecting piece jointly in through-hole C and the through-hole D, the connecting piece passes simultaneously through-hole B and centre gripping are in the U-shaped recess in U type groove, the connecting piece is the round pin post.

6. The orthopedic parallel compression positioner according to claim 5, wherein a fixing and limiting rack is arranged on the outer wall of the front side of the fixing chassis at the periphery of the through hole B; the limiting sleeve which is positioned at the same side with the fixed limiting rack is also provided with a pressure release mechanism; the front part of the pressure release mechanism is provided with two movable limiting teeth which are bent inwards, the movable limiting teeth penetrate through the front side wall of the limiting sleeve and are meshed with the fixed limiting rack, the rear part of the pressure release mechanism is provided with a pressing end, and the pressure release mechanism is further provided with a torsion spring.

7. The orthopedic parallel compression positioner of claim 6, wherein the angle of the teeth of the fixing limit rack is inclined to a side close to the fixing upper frame.

8. The orthopedic parallel compression positioner according to claim 1, wherein an elastic reset piece is arranged between the fixed clamp part and the movable clamp part; the elastic reset piece is provided with a first elastic piece and a second elastic piece, the first elastic piece and the second elastic piece are both arranged in an arc shape, one end of the first elastic piece is connected with one end of the second elastic piece, the other end of the first elastic piece is fixedly connected with the fixed clamp handle, and the other end of the second elastic piece is fixedly connected with the movable clamp handle.

9. The orthopedic parallel compression positioner of claim 2, wherein the front end of the stationary jaw head is obliquely fixed on the fixed chassis; the fixed binding clip is provided with a movable binding clip through hole with a top surface and a bottom surface communicated with each other, the movable binding clip penetrates through the movable binding clip through hole and is in cross hinge with the fixed binding clip, and the cross hinge mode is in cross hinge through a gill shaft screw.

10. The orthopedic parallel compression positioner according to claim 1, wherein the surfaces of the fixed forceps handle and the movable forceps handle are provided with anti-slip structures, and the anti-slip structures are anti-slip grooves.