Disclosure of Invention
To the above problems, the present invention provides a finger fixer for hand surgery, which solves the problem of inconvenient finger fixation for patients in the prior hand surgery.
The technical scheme of the utility model is that: a finger holder for hand surgery comprising a base, a finger holder and a wrist holder;
the base is provided with five grooves, the shape formed by the five grooves is matched with the palm, the outer sides of the grooves are provided with finger fixing devices, and the finger fixing devices are arranged on the base in a sliding connection mode;
the finger fixing device comprises a first sliding block, a second sliding block, a connecting rod, a worm wheel, a rotating shaft, a worm and a first fixing belt, the first sliding block and the second sliding block are arranged on the base in a sliding connection mode, the first sliding block and the second sliding block are respectively arranged on two sides of the groove, the first sliding block and the second sliding block are connected through a connecting rod, a cavity is arranged in the first sliding block, a worm wheel is arranged in the cavity, the worm wheel is rotatably connected with the cavity through a rotating shaft, a worm matched with the worm wheel is arranged above the worm wheel, the worm is meshed with the worm wheel, the first end of the worm is rotationally connected with the inner wall of the cavity, the second end of the worm penetrates through the side wall of the cavity, a first fixing belt is connected between the second sliding block and the rotating shaft, a first end of the first fixing belt is fixedly connected with the second sliding block, and a second end of the first fixing belt penetrates through the side wall of the cavity and is fixedly connected with the rotating shaft;
and a wrist fixing device is arranged on the base.
Further, the groove is of an inner arc structure.
Further, all be equipped with T type groove outside the recess both sides, first slider and second slider lower extreme all are equipped with the arch with T type groove matched with, protruding sliding connection's setting is in T type inslot.
Furthermore, a knob is arranged outside the first sliding block, and the second end of the worm penetrates through the side wall of the cavity to be connected with the knob.
Further, be equipped with on the cavity lateral wall with first fixed band matched with through-hole, first fixed band second end and through-hole sliding connection.
Furthermore, a matched bolt is vertically screwed in the second sliding block, and the lower end of the bolt is detachably connected with the base.
Further, wrist fixing device includes that second fixed band, ring, first pasting area and second paste the area, base one side is equipped with the second fixed band, the base opposite side is equipped with the ring, second fixed band one end runs through the ring, both sides are equipped with respectively on the second fixed band that first pasting area and second are pasted the area, first pasting area and second are pasted the area and can be dismantled the connection.
The utility model has the advantages that:
the shape formed by the five grooves of the utility model is matched with the palm, the grooves are of inner arc structures which are matched with the shape of the fingers, and the fingers are more comfortable when being placed; the finger fixing device can fix fingers in the groove, so that the fingers are prevented from being disturbed in the operation process; the finger fixing device can move back and forth along the groove, so that the fixing point can be conveniently adjusted according to actual requirements; the structure of the bulge and the T-shaped groove can ensure that the first sliding block and the second sliding block are kept stable during movement and can also prevent the first sliding block and the second sliding block from falling off the base; the bolt can limit the position of the finger fixing device, and the finger fixing device is guaranteed not to move after the finger fixing point is determined; the fixation of the fingers is realized by the matching of the worm wheel, the worm, the rotating shaft and the first fixing belt, and the operation is simple; the worm wheel and the worm are matched to have self-locking performance, so that the first fixing belt is kept still when the worm does not rotate, and fingers are prevented from breaking away from the first fixing belt during operation; the wrist fixing device can fix the wrist on the base, so that the movement of fingers caused by the movement of the wrist during the operation is avoided; the wrist is fixed by the cooperation between the first adhesive tape and the second adhesive tape, the operation is simple, and the fixing effect is good. The utility model discloses simple structure, convenient operation, it is effectual to the fixed of finger and wrist, be favorable to going on of operation, be suitable for the popularization.
In addition to the above-described objects, features and advantages, the present invention has other objects, features and advantages. The present invention will be described in further detail with reference to the drawings.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this application, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification.
Fig. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic structural view of the finger fixing device of the present invention;
FIG. 3 is a schematic view of the worm gear installation of the present invention;
fig. 4 is a schematic structural view of the wrist fixing device of the present invention.
Reference numerals:
1 is a base, 2 is a groove, 3 is a finger fixing device, 301 is a first sliding block, 302 is a second sliding block, 303 is a connecting rod, 304 is a worm wheel, 305 is a rotating shaft, 306 is a worm, 307 is a first fixing band, 308 is a bulge, 309 is a knob, 310 is a through hole, 311 is a bolt, 4 is a wrist fixing device, 401 is a second fixing band, 402 is a ring, 403 is a first adhesive band, and 404 is a second adhesive band.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.
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 being 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.
Referring to fig. 1 to 4, a finger holder for hand surgery includes a base 1, a finger holder 3, and a wrist holder 4;
the base 1 is provided with five grooves 2, the shape formed by the five grooves 2 is matched with a palm, the grooves 2 are used for placing fingers, the grooves 2 are of inner arc structures and are matched with the shapes of the fingers, the fingers are placed more comfortably, finger fixing devices 3 are arranged on the outer sides of the grooves 2, the finger fixing devices 3 are used for fixing the fingers in the grooves 2, the fingers are prevented from moving randomly in the operation process, the finger fixing devices 3 are arranged on the base 1 in a sliding connection mode, the finger fixing devices 3 can move back and forth along the grooves 2, and fixing points can be adjusted conveniently according to actual requirements;
the finger fixing device 3 comprises a first sliding block 301, a second sliding block 302, a connecting rod 303, a worm wheel 304, a rotating shaft 305, a worm 306 and a first fixing belt 307, wherein the first sliding block 301 and the second sliding block 302 are arranged on the base 1 in a sliding connection mode, the first sliding block 301 and the second sliding block 302 are respectively arranged on two sides of the groove 2, the first sliding block 301 and the second sliding block 302 are connected through the connecting rod 303, the connecting rod 303 is used for connecting the first sliding block 301 and the second sliding block 302 into a whole, when one of the first sliding block 301 and the second sliding block 302 is moved, the other sliding block is moved simultaneously, the vertical section of the connecting rod 303 is of an arc-shaped structure, the size of the range formed by the first sliding block 301, the second sliding block 302, the connecting rod 303 and the groove 2 is larger than the size of the vertical section of the finger, the interference of the first sliding block 301, the second sliding block 302 and the connecting rod 303 with the contact of the finger in the moving process is avoided, and the normal work of the finger fixing device 3 is ensured, the T-shaped grooves are formed in the two sides of the groove 2, the lower ends of the first sliding block 301 and the second sliding block 302 are provided with protrusions 308 matched with the T-shaped grooves, the protrusions 308 are arranged in the T-shaped grooves in a sliding connection mode, the protrusions 308 and the T-shaped grooves can ensure that the first sliding block 301 and the second sliding block 302 are kept stable when moving, and can also prevent the first sliding block 301 and the second sliding block 302 from falling off from the base 1, matched bolts 311 are vertically screwed in the second sliding block 302, the lower end of each bolt 311 is detachably connected with the base 1, each bolt 311 is used for limiting the movement of the second sliding block 302, when the bolts 311 rotate to the positions where the lower end of each bolt 311 is in contact with the base 1, the friction force between the bolts 311 and the base 1 limits the second sliding block 302, and ensures that the second sliding block 302 does not move any more;
a cavity is arranged in the first sliding block 301, a worm wheel 304 is arranged in the cavity, the worm wheel 304 is rotatably connected with the cavity through a rotating shaft 305 and is arranged in the cavity, the rotating shaft 305 is fixedly connected with the worm wheel 304, the rotating shaft 305 can be driven to rotate when the worm wheel 304 rotates, a worm 306 matched with the worm wheel 304 is arranged above the worm wheel 304, the worm 306 is meshed with the worm wheel 304 and can drive the worm wheel 304 to rotate when the worm 306 rotates, the first end of the worm 306 is rotatably connected with the inner wall of the cavity, a knob 309 is arranged outside the first sliding block 301, the second end of the worm 306 penetrates through the side wall of the cavity and is connected with the knob 309, and the knob 309 is convenient for manually controlling the rotation of the worm 306;
a first fixing strap 307 is connected between the second sliding block 302 and the rotating shaft 305, the first fixing strap 307 is used for fixing fingers, a first end of the first fixing strap 307 is fixedly connected with the second sliding block 302, a second end of the first fixing strap 307 penetrates through the side wall of the cavity and is fixedly connected with the rotating shaft 305, when the rotating shaft 305 rotates, the first fixing strap 307 can be wound on the rotating shaft 305, the first fixing strap 307 between the first sliding block 301 and the second sliding block 302 is partially shortened, the first fixing strap 307 is in contact with fingers and plays a role in fixing the fingers, the side wall of the cavity is provided with a through hole 310 matched with the first fixing strap 307, the second end of the first fixing strap 307 is in sliding connection with the through hole 310, the through hole 310 can ensure that the first fixing strap 307 can normally move, the worm wheel 304 and the worm 306 are matched to have self-locking performance, the first fixing strap 307 is ensured to be kept still when the worm 306 does not rotate, and the fingers are prevented from breaking loose from the first fixing strap 307 during operation;
be equipped with wrist fixing device 4 on base 1, wrist fixing device 4 and base 1 fixed connection, wrist fixing device 4 is used for fixing the wrist on base 1, wrist fixing device 4 includes second fixed band 401, ring 402, first pasting area 403 and second paste area 404, base 1 one side is equipped with second fixed band 401, base 1 opposite side is equipped with ring 402, ring 402 is run through to second fixed band 401 one end, both sides are equipped with first pasting area 403 and second respectively on the second fixed band 401 and paste area 404, first pasting area 403 and second paste area 404 and can dismantle the connection, place the wrist between second fixed band 401 and base 1, first pasting area and second paste area 404 and paste and can play the fixed action to the wrist together, the adhesion force between area 403 and the second of first pasting area 403 is enough big, avoid the wrist to shake off.
The utility model discloses a use method: when the finger of the patient needs to be fixed, the finger is placed in the groove 2, the second fixing strap 401 passes through the circular ring 402, the second adhesive tape 404 is adhered on the first adhesive tape 403, the wrist of the patient is fixed, then the connecting rod 303 is pushed, the connecting rod 303 drives the first sliding block 301 and the second sliding block 302 to move simultaneously, when the position of the first fixing strap 307 is aligned with the position to be fixed of the finger, the pushing of the connecting rod 303 is stopped, then the bolt 311 is rotated, the lower end of the bolt 311 is contacted with the base 1, the friction force between the bolt 311 and the base 1 limits the second sliding block 302, the second sliding block 302 is ensured not to move any more, then the knob 309 is rotated, the knob 309 drives the worm 306 to rotate, the worm 306 is meshed with the worm wheel 304 to drive the worm wheel 304 to rotate, further the rotating shaft 305 is driven to rotate, the first fixing strap 307 is wound on the rotating shaft 305, the part of the first fixing strap 307 between the first sliding block 301 and the second sliding block 302 is shortened, the first strap 307 contacts with the finger, and when the finger is completely fixed by the first strap 307, the rotation of the knob 309 is stopped, and the finger cannot move, so that the operation can be performed.
The shape formed by the five grooves of the utility model is matched with the palm, the grooves are of inner arc structures which are matched with the shape of the fingers, and the fingers are more comfortable when being placed; the finger fixing device can fix fingers in the groove, so that the fingers are prevented from being disturbed in the operation process; the finger fixing device can move back and forth along the groove, so that the fixing point can be conveniently adjusted according to actual requirements; the structure of the bulge and the T-shaped groove can ensure that the first sliding block and the second sliding block are kept stable during movement and can also prevent the first sliding block and the second sliding block from falling off the base; the bolt can limit the position of the finger fixing device, and the finger fixing device is guaranteed not to move after the finger fixing point is determined; the fixation of the fingers is realized by the matching of the worm wheel, the worm, the rotating shaft and the first fixing belt, and the operation is simple; the worm wheel and the worm are matched to have self-locking performance, so that the first fixing belt is kept still when the worm does not rotate, and fingers are prevented from breaking away from the first fixing belt during operation; the wrist fixing device can fix the wrist on the base, so that the movement of fingers caused by the movement of the wrist during the operation is avoided; the wrist is fixed by the cooperation between the first adhesive tape and the second adhesive tape, the operation is simple, and the fixing effect is good. The utility model discloses simple structure, convenient operation, it is effectual to the fixed of finger and wrist, be favorable to going on of operation, be suitable for the popularization.
The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included within the protection scope of the present invention.