CN109363877A - A fixation device for amputation - Google Patents

Abstract

The invention discloses a kind of fixed devices of amputation, including fixed frame, drive mechanism, fixed structure, transverse slat, sliding slot, sliding block, groove, pulley and spring, by rotating hand-operated wheel, fixation of the fixed structure to patient positions may be implemented, two clamping plates can work simultaneously, suitable for the amputation site of different patients, be convenient for making fixation of amputation site etc. with this medical staff；By the way that hand-operated wheel can be fixed by the setting of inserted block and limiting slot, it can prevent from loosening, improve the fixed effect to amputation site of this device, be also convenient for the operation of operation；Electric telescopic rod is opened by external power supply and switch, band dynamic pressure plate moves downward, can further improve the fixation to amputation site, improve fixed effect；It is arc setting by the top of backing plate, and the lumen loading of backing plate has cotton or sponge, the comfort level of patient can be improved in backing plate.

Description

A fixation device for amputation

technical field

The invention relates to the technical field of medical devices, in particular to a fixation device for amputation.

Background technique

Amputations are divided into minor amputations and major amputations. Minor amputation refers to open partial amputation and limited removal of part of the tissue through partial vascular reconstruction or limb correction while removing infected and necrotic tissue. Major amputations result from the inability to alleviate a severe disease state by vascular remodeling, drug control, or minor amputations. Major amputations are divided into low amputation and high amputation. Low amputation and high amputation often use a fixation structure to fix the amputation site of the patient.

However, the existing amputation fixation device cannot satisfy the fixation work of the amputation parts of different patients, and the structure is too single. The fixation effect is not good, affecting the work such as amputation surgery.

SUMMARY OF THE INVENTION

The technical problem solved by the present invention is to overcome the shortcomings of the prior art such as low applicability and poor fixation effect, and to provide a fixation device for amputation with the characteristics of high applicability and good fixation effect.

To achieve the above object, the present invention provides the following technical solutions:

The present invention provides a fixing device for amputation, which is characterized by comprising a frame body, and an equipment support, a transmission mechanism and a fixing mechanism arranged in the cavity of the frame body;

Wherein, the above-mentioned equipment bracket divides the inner cavity of the rack body into two parts; generally, the two parts are arranged up and down, but considering the needs of use, it can also be divided into left and right.

The above-mentioned fixing mechanism includes two oppositely arranged first side clamps and second side clamps, and a pressing plate;

The above-mentioned first side splint and second side splint are both installed on one side of the equipment support; that is, after the space of the inner cavity is divided, the first side splint and the second side splint are at the same side position of the equipment support, Generally speaking, the first side clamping plate and the second side clamping plate and the equipment support are arranged in a vertical direction to each other.

The above-mentioned pressing plate, parallel to the equipment support, is arranged between the first side clamp and the second side clamp, and the distance between it and the equipment support can be adjusted; Space to accommodate and immobilize limbs.

The pressure plate is generally a pneumatic structure, and the distance from the equipment support can be adjusted by manual or electric control.

The above-mentioned transmission mechanism includes a runner, a first transmission part and a second transmission part;

The above-mentioned first transmission part includes a first transmission member that is connected to each other, meshed with the runner, and a first connecting member connected to the first side clamp;

The above-mentioned second transmission part comprises a second transmission member that is connected to each other, meshed with the runner, and a second connecting member connected to the second side clamp;

The first transmission member and the second transmission member move in opposite directions when the runner rotates.

Generally speaking, the first transmission member is generally in a configuration with a rack, so that it can be engaged with the teeth on the runner. When the runner rotates, it can drive the transmission through the meshing transmission between the teeth and the teeth. The first transmission member moves back and forth, and then the first side splint also moves back and forth by driving the first connecting member to move back and forth.

The second transmission member is also generally in a configuration with a rack, and the second transmission member and the second transmission member are generally disposed on both sides of the runner, so that after engaging with the teeth on the runner, when the runner rotates , through the way of meshing transmission between the teeth and the teeth, at the position parallel to the first transmission member, it can move back and forth in the opposite direction, and then the second side splint can be driven by the behavior of driving the second connecting member to move back and forth. Back and forth movement also occurs.

Since the first side plate and the second side plate are oppositely arranged, when the above-mentioned movement occurs, the two side plates will exhibit a movement trajectory that is farther and farther away or closer.

Further, a fixation device for amputation provided by the present invention also has the following structural feature: that is, the first transmission member and the second transmission member are arranged opposite to each other.

That is, the first transmission member and the second transmission member can generate opposite forces, and their optimal state is to be parallel to each other. However, if it can be realized that the surfaces of the runner never intersect, they can also be curved. structure.

Further, a fixing device for amputation provided by the present invention also has the following structural features: that is, the other side of the above-mentioned equipment bracket is provided with a first chute;

The above-mentioned first chute is provided with a first sliding member that can slide in it;

One end of the first sliding member is fixedly connected with the first transmission member. Therefore, when the runner rotates and drives the first transmission member to move, the first transmission member can slide back and forth in the first chute of the equipment support.

Further, a fixing device for amputation provided by the present invention also has the following structural features: that is, the above-mentioned equipment support is provided with a moving groove;

One end of the first connecting member is connected with the first transmission member through the moving groove.

Further, a fixing device for amputation provided by the present invention also has the following structural features: that is, one end of the above-mentioned second transmission member is connected with a second connecting member, and the other end is connected with the end of the elastic member;

The head end of the elastic member is fixed on the inner surface of the frame body.

Further, a fixing device for amputation provided by the present invention also has the following structural features: that is, the inner surface of the frame body is further provided with a second chute;

The bottom of the second transmission member is provided with a second sliding member;

The above-mentioned second sliding member is slidably arranged in the second chute.

Further, a fixing device for amputation provided by the present invention also has the following structural features: that is, the above-mentioned equipment support is provided with a gasket;

The above gaskets are arranged opposite to the pressure plate;

and / or

A gasket is provided on the opposite surfaces of the first side clamp and the second side clamp.

The above-mentioned gasket is made of foam, sponge, elastic material, etc., which can cushion the shock, reduce the feeling of oppression, and reduce the discomfort of the human body.

Further, a fixation device for amputation provided by the present invention also has the following structural features: that is, it also includes a hand wheel;

The center position of the above-mentioned runner has a rotating shaft;

The above-mentioned hand wheel is installed on the end of the rotating shaft;

The hand wheel controls the wheel to rotate.

Further, a fixing device for amputation provided by the present invention also has the following structural features: that is, the hand wheel is arranged on the outer side of the frame body; that is, the rotating shaft penetrates the frame body.

A limit mechanism is arranged between the hand wheel and the frame body. Used to limit the rotation angle between the hand wheel and the frame.

Further, a fixing device for amputation provided by the present invention also has the following structural features: that is, a shrapnel is installed between the above-mentioned hand wheel and the frame;

There are several limit grooves on the opposite side of the hand wheel and the frame body;

The above-mentioned limiting groove is annularly arranged on the hand wheel;

One end of the elastic sheet is fixed on the outer surface of the frame, and the other end is provided with a bump;

The above-mentioned bumps are arranged opposite to the grooves, and their structures are matched with the grooves;

Also includes elastic parts;

The elastic member connects the other end of the elastic sheet and the outer surface of the frame body.

Function and beneficial effect of the present invention:

By rotating the hand wheel, the fixed structure can fix the patient's part, and the two splints can work at the same time, which is suitable for the amputation parts of different patients, so that the medical staff can easily fix the amputation part; And the setting of the limit slot can fix the hand wheel, prevent loosening, improve the fixation effect of the device on the amputation site, and facilitate the operation of the operation; open the electric telescopic rod through the external power supply and switch, and drive the pressure plate to move downward , which can further improve the fixation of the amputation site and improve the fixation effect; the top of the backing plate is arranged in an arc shape, and the inner cavity of the backing plate is filled with cotton or sponge, the backing plate can improve the comfort of the patient.

Description of drawings

1 is a schematic diagram of the internal structure of a fixation device for amputation according to the present invention;

Figure 2 is a schematic cross-sectional view of A-A of a fixation device for amputation according to the present invention;

FIG. 3 is a schematic side view of the structure of a rotating shaft of a fixation device for amputation according to the present invention.

in,

1. Fixed frame; 2. Transmission structure; 3. Fixed structure; 4. Horizontal plate; 5. Chute; 6. Slider; 7. Groove; 8. Pulley; 9. Spring; 21. Shaft; 22. Gear ;23-1 and 23-2, rack; 24, shrapnel; 25, insert; 26, limit slot; 27, hand wheel; 31-1 and 31-2, vertical plate; 32, cross bar; 33 -1 and 33-2, splint; 34, electric telescopic rod; 35, pressure plate; 36, backing plate.

Detailed ways

As shown in FIG. 1 , this embodiment provides a fixation device for amputation, including a fixation frame 1;

The inner cavity of the fixed frame 1 is provided with a transmission structure 2;

The transmission structure 2 includes a rotating shaft 21;

A gear 22 is fixedly installed on the outer wall of the rotating shaft 21 to form a gear structure;

The upper and lower outer walls of the gear 22 are correspondingly provided with a rack structure, and the rack structure is engaged with the gear 22;

As shown in FIG. 3 , the front end of the rotating shaft 21 extends out of the gear and passes through the front wall of the fixed frame 1 , and a hand wheel 27 is fixedly installed at its end;

The rear wall of the hand wheel 27 is provided with a plurality of limiting grooves 26;

The limiting groove 26 is provided on the rear wall of the hand wheel 27 in a continuous or segmented annular shape;

The inner wall of the limiting slot 26 is provided with an insert block 25 whose shape and structure can be matched with each other;

An elastic piece 24 is fixedly installed on the outer wall of the insert block 25;

The connection between the elastic piece 24 and the outer wall of the fixed frame 1 is movably connected by a spring, so that the elastic piece 24 can better fix the handwheel 27 and other work;

The top of the other end of the elastic piece 24 is fixedly connected to the outer wall of the fixing frame 1 .

As shown in FIG. 1 , a transverse plate 4 is fixedly installed on the right inner cavity wall of the fixing frame 1 ;

The 4-piece inner cavity of the horizontal plate is divided into upper and lower parts.

A backing plate 36 is fixedly installed on the outer wall of the central position of the upper surface of the horizontal plate 4;

The top of the backing plate 36 is arranged in an arc shape, so that it can fit the shape of the limbs;

The inner cavity of the backing plate 36 is filled with cotton or sponge, so that the comfort of the patient can be improved.

A fixed structure 3 is provided above the horizontal plate 4, and the fixed structure 3 includes two oppositely arranged vertical plates 31-1 and 31-2;

Wherein, the bottom of the first vertical plate 31-1 is fixedly connected to the top of one end of the upper rack 23-1 away from the rotating shaft 21;

As shown in FIG. 2 , the outer wall of the horizontal plate 4 is provided with a rectangular through hole matching the vertical plate 31-1, and the top of the vertical plate 31-1 installed on the right end passes through the through hole of the horizontal plate 4;

As shown in FIG. 1, a cross bar 32 is fixedly installed on the top of the vertical plate 31-1 away from the side wall of the fixing frame 1;

The other end of the cross bar 32 is fixedly installed with a splint 33-1;

The splint 33-2 arranged opposite to it is connected with the vertical plate 31-2 through a cross bar;

The other end of the vertical plate 31 - 2 is fixed to the end of the rack 23 - 2 away from the runner 21 .

A pressing plate 35 is arranged between the two clamping plates 33-1 and 33-2;

The top of the pressing plate 35 is fixedly installed with an electric telescopic rod 34;

The top of the electric telescopic rod 34 is fixedly connected to the top inner cavity wall of the fixed frame 1 .

The bottom cavity of the fixing frame 1 is provided with a groove 7;

Several pulleys 8 are movably connected in the groove 7, and the top of each pulley 8 is fixedly connected to the bottom outer wall of the lower rack 23-2. The pulley 8 can drive the rack 23-2 above it to move back and forth in the direction indicated by arrow B in the groove 7. Furthermore, the splint 33-2 at the connecting end can also be moved in a direction away from or close to the splint 33-1.

A spring 9 is fixedly installed on the right end of the lower rack 23-2;

The right end of the spring 9 is fixedly connected to the inner cavity wall of the fixed frame 1 .

A sliding groove 5 is provided on the lower surface of the horizontal plate 4 , and a plurality of sliding blocks 6 matching with the sliding groove 5 are fixedly mounted on the top of the above-mentioned rack 23 - 1 . The slider 6 can drive the rack 23-1 below it to move back and forth in the direction indicated by arrow A in the chute 5. Furthermore, the splint 33-1 at the connecting end can also be moved in a direction away from or close to the splint 33-2.

The working principle of the fixation device for amputation involved in this embodiment is as follows:

First, the part of the patient to be amputated is inserted into/placed on the backing plate 36, and then the hand wheel 27 is rotated counterclockwise to drive the rotating shaft 21 to rotate, and the rotating shaft 21 drives the gear 22 to rotate. Through the meshing of the gear 22 and the rack, It can drive the upper rack 23-1 to move to the left, the lower rack 23-2 to move to the right, and at the same time, the slider 6 moves in the chute 5, the pulley 8 moves in the groove 7, and the right end of the rack 23 The spring 9 is deformed, and through the vertical plate 31 and the horizontal bar 32 in the fixing structure 3, the splint 33 can be driven to move inward, so as to fix the amputation part of the patient.

Afterwards, the elastic piece 24 is pressed, and the insert block 25 is inserted into the limiting groove 26, so that the hand wheel 27 can be fixed and loosening can be prevented.

At this time, the electric telescopic rod 34 can be turned on through an external power source and a switch to drive the pressure plate 35 to move downward, which can further improve the fixation of the amputation site.

After use, it is only necessary to press the elastic piece 24 to make the insert block 25 escape from the limiting groove 26, and then turn the hand wheel 27 to reset the device.

Claims (10)

1. a fixing device for amputation, is characterized in that: comprise frame body, and be arranged on the equipment support, transmission mechanism and fixing mechanism in the cavity of frame body; Wherein, the equipment bracket divides the inner cavity of the rack body into two parts; The fixing mechanism includes two oppositely arranged first side clamps and second side clamps, and a pressing plate; The first side splint and the second side splint are both mounted on one side of the equipment support; The pressing plate, parallel to the equipment support, is arranged between the first side clamp and the second side clamp, and the distance between it and the equipment support can be adjusted; The transmission mechanism includes a runner, a first transmission part and a second transmission part; the first transmission part comprises a first transmission part which is connected to each other and is engaged with the runner, and a first connection part which is connected with the first side clamp; the second transmission part comprises a second transmission part which is connected to each other and is engaged with the runner, and a second connection part which is connected with the second side clamp; The first transmission member and the second transmission member move in opposite directions when the runner rotates. 2. A kind of fixation device for amputation as claimed in claim 1, is characterized in that: The first transmission member and the second transmission member are arranged opposite to each other. 3. A kind of fixation device for amputation as claimed in claim 1, is characterized in that: The other side of the equipment bracket is provided with a first chute; The first sliding slot is provided with a first sliding member that can slide therein; One end of the first sliding member is fixedly connected with the first transmission member. 4. A kind of fixation device for amputation as claimed in claim 3, is characterized in that: A moving slot is provided on the equipment support; One end of the first connecting member is connected with the first transmission member through the moving groove. 5. A kind of fixation device for amputation as claimed in claim 1, is characterized in that: One end of the second transmission member is connected with a second connecting member, and the other end is connected with the end of the elastic member; The head end of the elastic component is fixed on the inner surface of the frame body. 6. A kind of fixation device for amputation as claimed in claim 1, is characterized in that: A second chute is also provided on the inner surface of the frame body; The bottom of the second transmission member is provided with a second sliding member; The second sliding member is slidably arranged in the second sliding slot. 7. A kind of fixation device for amputation as claimed in claim 1, is characterized in that: A gasket is provided on the equipment support; The gasket and the pressing plate are arranged opposite to each other; and / or A gasket is provided on the opposite surfaces of the first side clamp and the second side clamp. 8. The fixation device for amputation according to any one of claims 1-7, wherein: Also includes hand wheel; The center of the runner has a rotating shaft; The described hand wheel is installed on the end of the rotating shaft; The hand wheel controls the runner to rotate. 9. A kind of fixation device for amputation as claimed in claim 8, is characterized in that: The hand wheel is arranged on the outside of the frame body; A limiting mechanism is arranged between the hand wheel and the frame body. 10. A fixation device for amputation as claimed in claim 8, characterized in that: A shrapnel is installed between the hand wheel and the frame; A number of limiting grooves are arranged on the opposite side of the hand wheel and the frame body; The limiting groove is annularly arranged on the hand wheel; One end of the elastic piece is fixed on the outer surface of the frame, and the other end is provided with a bump; the protruding block is arranged opposite to the groove, and its structure matches the groove; Also includes elastic parts; The elastic member connects the other end of the elastic sheet and the outer surface of the frame body.