CN219307082U

CN219307082U - Phalangeal fracture fixer

Info

Publication number: CN219307082U
Application number: CN202222319909.6U
Authority: CN
Inventors: 刘艺祥; 谢强; 许晓光
Original assignee: Zhangzhou Traditional Chinese Medicine Hospital Of Fujian Province
Current assignee: Zhangzhou Traditional Chinese Medicine Hospital Of Fujian Province
Priority date: 2022-09-01
Filing date: 2022-09-01
Publication date: 2023-07-07
Anticipated expiration: 2032-09-01

Abstract

The utility model belongs to the technical field of finger medical treatment, and discloses a phalangeal fracture fixator which comprises a metacarpal fixing rod and a proximal phalangeal supporting rod, wherein a railing is fixedly arranged on one side of the top of the metacarpal fixing rod, a first internal gear groove is formed in the other side of the front face of the metacarpal fixing rod, a gear structure is movably clamped on the inner side of the first internal gear groove, a circular groove is formed in one side, far away from the railing, of the back of the metacarpal fixing rod, and a second internal gear groove is formed in one side, close to the railing, of the proximal phalangeal supporting rod. According to the finger-fixed angle adjusting device, the gear structure, the first internal gear groove, the circular groove and the second internal gear groove are arranged, so that the purpose of adjusting the finger-fixed angle is achieved, the clamping plate is pressed, the clamping plate is reset, the first gear is clamped into the first internal gear groove, the gear structure is fixed in angle, the second gear is clamped into the second internal gear groove, the angle of the proximal phalangeal support rod is fixed, and the purpose of adjusting the finger-fixed angle is achieved.

Description

Phalangeal fracture fixer

Technical Field

The utility model belongs to the technical field of finger medical treatment, and particularly relates to a phalangeal fracture fixator.

Background

For most phalangeal fractures, effective treatment can be performed by closed reduction external fixation, and high cost of surgical treatment and surgical complications are avoided.

At present, when medical staff wraps the phalangeal fracture in a medical treatment, due to the special anatomical characteristics, the medical staff can fix the phalanges in a plaster fixing mode, however, in the actual use process, the plaster is fixed, although the shaping is convenient, other fingers are inevitably fixed together, after the fixation is released, the hands are not movable for a long time, so that the hands are stiff in a large range, and obvious obstruction is brought to rehabilitation training. In order to reduce the fixed scope under the prerequisite of effective fixed as far as possible, also have medical personnel to select to fix as fixed brace with the ampoule, but no matter be the difference of finger size, or fracture type's needs, the ampoule can't make perfect adaptation in size, radian according to actual need, moreover because ampoule glass material's restriction, fixed process, patient comfort level is relatively poor.

Disclosure of Invention

In order to solve the problems in the prior art, the utility model provides a phalangeal fracture fixer, which has the advantages of being capable of adjusting the fixed angle of fingers and adjusting the length of the fixed fingers of a device.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a phalanx fracture fixer, includes metacarpal fixation pole and near-section phalanx bracing piece, one side fixed mounting at metacarpal fixation pole top has the railing, first internal gear groove has been seted up to the positive opposite side of metacarpal fixation pole, the inboard activity joint in first internal gear groove has gear structure, the circular groove has been seted up to one side that the railing was kept away from to metacarpal fixation pole back, the second internal gear groove has been seted up to one side that near-section phalanx bracing piece is close to the railing.

In the above technical scheme, preferably, the activity joint has well long section phalanx bracing piece in the side that the railing was kept away from to near-section phalanx bracing piece openly, one side that the well long section phalanx bracing piece is close to the railing fixed mounting has the screw, the back threaded connection of screw has the nut, the bandage groove has been seted up to near-section phalanx bracing piece's openly, the bandage groove is located the bottom of well long section phalanx bracing piece, the top fixed mounting that the well long section phalanx bracing piece is close to railing one side has the barb.

In the above technical scheme, preferably, the gear structure includes the cardboard, the middle part fixed mounting at cardboard back has the connecting rod, the connecting rod surface is close to positive position fixed mounting and has first gear, the middle part fixed mounting of connecting rod surface has the second gear, the back fixed mounting of connecting rod has the chuck.

In the above technical scheme, preferably, the first gear is in fit and clamping connection with the first internal gear groove, the chuck is in fit and clamping connection with the circular groove, and the second gear is in fit and clamping connection with the second internal gear groove.

In the above technical scheme, preferably, a sliding groove is formed in one side, far away from the railing, of the front face of the proximal phalanx support rod, and the sliding groove is in fit and clamping connection with the middle and distal phalanx support rod.

In the above technical scheme, preferably, the railing is in a shape of a letter "C", and the barb is in a shape of a letter "L".

In the above technical solution, preferably, the bandage groove is elliptical.

Compared with the prior art, the utility model has the following beneficial effects:

according to the utility model, the purpose of adjusting the fixed angle of the finger is achieved by arranging the gear structure, the first internal gear groove, the circular groove and the second internal gear groove, the first internal gear groove is separated from the first gear by pulling the gear structure outwards, the second gear is separated from the second internal gear groove, the angle between the metacarpal fixing rod and the proximal phalangeal support rod can be adjusted, after the adjustment is finished, the clamping plate is pressed, the first gear is reset by the clamping plate and clamped into the first internal gear groove, the angle of the gear structure is fixed, the second gear is clamped into the second internal gear groove, the angle of the proximal phalangeal support rod is fixed, and the purpose of adjusting the fixed angle of the finger is achieved;

according to the utility model, the purpose of fixing the length of the finger of the device is achieved by arranging the screw, the middle and far section phalanx support rod and the nut, the nut is loosened, so that the middle and far section phalanx support rod can slide in the near section phalanx support rod, the nut is rotated according to the length of the finger of a user, the nut is contacted with the near section phalanx support rod, and the nut is matched with the screw, so that the middle and far section phalanx support rod forms extrusion force on the near section phalanx support rod, and the position of the middle and far section phalanx support rod is fixed.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic rear view of the present utility model;

FIG. 3 is an exploded view of the present utility model;

FIG. 4 is a schematic view of a proximal phalanx support rod according to the present utility model;

FIG. 5 is a schematic cross-sectional view of a metacarpal fixation rod in accordance with the present utility model;

fig. 6 is a schematic structural diagram of a gear structure of the present utility model.

In the figure: 1. a metacarpal fixation rod; 2. railing; 3. a gear structure; 301. a clamping plate; 302. a connecting rod; 303. a first gear; 304. a second gear; 305. a chuck; 4. a proximal phalanx support rod; 5. a tightening strap slot; 6. a screw; 7. middle and far phalangeal support rods; 8. a barb; 9. a nut; 10. a circular groove; 11. a first internal gear groove; 12. and a second internal gear groove.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

As shown in fig. 1 to 6, the utility model provides a phalangeal fracture fixator, which comprises a metacarpal fixing rod 1 and a proximal phalangeal supporting rod 4, wherein a railing 2 is fixedly arranged on one side of the top of the metacarpal fixing rod 1, a first internal gear groove 11 is formed on the other side of the front surface of the metacarpal fixing rod 1, a gear structure 3 is movably clamped on the inner side of the first internal gear groove 11, a circular groove 10 is formed on one side, far away from the railing 2, of the back of the metacarpal fixing rod 1, and a second internal gear groove 12 is formed on one side, close to the railing 2, of the proximal phalangeal supporting rod 4.

The scheme is adopted: through outwards pulling gear structure 3, make first internal gear groove 11 and first gear 303 separation, second gear 304 and second internal gear groove 12 separation, make the angle between metacarpal dead lever 1 and the proximal phalangeal bracing piece 4 adjustable, after adjusting, press cardboard 301, make cardboard 301 reset first gear 303 card connect in first internal gear groove 11, make gear structure 3 angle fixed, second gear 304 card connect in the second internal gear groove 12, make the angle of proximal phalangeal bracing piece 4 fixed, reached the fixed angle's of regulation finger purpose.

As shown in fig. 1 to 6, a middle-long phalanx support rod 7 is movably clamped on one side, far away from the railing 2, of the front surface of the proximal phalanx support rod 4, a screw 6 is fixedly installed on one side, close to the railing 2, of the middle-long phalanx support rod 7, a nut 9 is connected with the back threads of the screw 6, a tightening groove 5 is formed in the front surface of the proximal phalanx support rod 4, the tightening groove 5 is located at the bottom of the middle-long phalanx support rod 7, and a barb 8 is fixedly installed on the top of one side, close to the railing 2, of the middle-long phalanx support rod 7.

The scheme is adopted: the middle and far phalangeal support rod 7 can slide in the proximal phalangeal support rod 4 by rotating the nut 9, the nut 9 is rotated according to the length of the finger of a user, the nut 9 is contacted with the proximal phalangeal support rod 4, and the nut 9 is matched with the screw 6 to enable the middle and far phalangeal support rod 7 to form extrusion force on the proximal phalangeal support rod 4, so that the position of the middle and far phalangeal support rod 7 is fixed.

As shown in fig. 6, the gear structure 3 includes a clamping plate 301, a connecting rod 302 is fixedly installed in the middle of the back of the clamping plate 301, a first gear 303 is fixedly installed at a position, close to the front, of the outer surface of the connecting rod 302, a second gear 304 is fixedly installed in the middle of the outer surface of the connecting rod 302, and a chuck 305 is fixedly installed at the back of the connecting rod 302.

The scheme is adopted: through setting up gear structure 3, can conveniently carry out the regulation on the angle to the device, through a plurality of teeth on first gear 303 and second gear 304 surface, make angle of adjustment wider.

As shown in fig. 5, the first gear 303 is engaged with the first internal gear groove 11, the chuck 305 is engaged with the circular groove 10, and the second gear 304 is engaged with the second internal gear groove 12.

The scheme is adopted: through setting up gear structure 3, promote cardboard 301, cardboard 301 drives connecting rod 302 and removes, and connecting rod 302 drives first gear 303, second gear 304 and chuck 305 and removes, makes first gear 303 joint in first internal gear groove 11, and second gear 304 joint is in second internal gear groove 12, and chuck 305 slides in bandage groove 5, has reached the purpose of prescribing a limit to the angle between metacarpal fixed rod 1 and the proximal phalangeal bracing piece 4, through the form of joint, makes the angle of regulation diversified, can adapt to the demand of different angles.

As shown in fig. 4, a sliding groove is formed in one side, far away from the railing 2, of the front face of the proximal phalanx support rod 4, and the sliding groove is in fit and clamping connection with the middle and distal phalanx support rod 7.

The scheme is adopted: by arranging the sliding groove, the Fang Bianzhong long-section phalanx support rod 7 slides in the near-section phalanx support rod 4, and the length between the middle-section phalanx support rod 7 and the near-section phalanx support rod 4 is adjusted, so that a good adaptation effect is achieved.

As shown in fig. 1, the railing 2 is in a shape of a C, and the barb 8 is in a shape of an L.

The scheme is adopted: the barb 8 and the railing 2 are arranged to facilitate the connection between the device and the finger, so that a good fixing effect can be achieved between the device and the finger through a small amount of bandages, and the air permeability of the finger part is ensured.

As shown in fig. 1, the bandage slit 5 has an oval shape.

The scheme is adopted: the bandage passes through the tightening groove 5, so that the proximal phalanx support rod 4 is fixed with the finger, and the fixing is convenient and the effect is good.

The working principle and the using flow of the utility model are as follows:

measuring the length of the middle finger of the finger, loosening the nut 9, adjusting the position of the joint of the middle and far phalangeal support rod 7 and the proximal phalangeal support rod 4, enabling the length between the middle and far phalangeal support rod 7 and the proximal phalangeal support rod 4 to adapt to the length of the finger, rotating the nut 9, gradually fixing the position of the middle and far phalangeal support rod 7 along the screw 6 towards the proximal phalangeal support rod 4, pulling the gear structure 3 outwards, enabling the first internal gear groove 11 to be separated from the first gear 303, enabling the second gear 304 to be separated from the second internal gear groove 12, enabling the chuck 305 to slide to the inner side of the circular groove 10, enabling the proximal phalangeal support rod 4 to lose the blocking object, the angle between metacarpal bone dead lever 1 and the proximal phalanx bracing piece 4 can be adjusted, after the regulation, press cardboard 301, make cardboard 301 reset first gear 303 joint in first internal gear groove 11, make gear structure 3 angle fixed, the second gear 304 joint is in the second internal gear groove 12, make the angle of proximal phalanx bracing piece 4 fixed, laminate the device from the palm face and the finger, pass railing 2 with proximal phalanx is fixed, pass bandage and stretch out the groove 5, make bandage and middle phalanx fixed, pass the barb 8 with distal phalanx is fixed, reduce the quantity of bandage, very big improvement with the fixed effect between the finger, the gas permeability of finger has been guaranteed.

It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A phalangeal fracture fixer, includes metacarpal fixation pole (1) and proximal phalangeal bracing piece (4), its characterized in that: one side fixed mounting at metacarpal pole (1) top has railing (2), first internal gear groove (11) have been seted up to positive opposite side of metacarpal pole (1), the inboard movable joint of first internal gear groove (11) has gear structure (3), circular groove (10) have been seted up to one side that railing (2) was kept away from to metacarpal pole (1) back, second internal gear groove (12) have been seted up to one side that near-section phalangeal bracing piece (4) is close to railing (2).

2. A phalangeal fracture fixation device as claimed in claim 1, wherein: the novel finger joint is characterized in that a middle-long finger joint support rod (7) is movably clamped at one side, far away from the railing (2), of the front side of the near-long finger joint support rod (4), a screw (6) is fixedly arranged at one side, close to the railing (2), of the middle-long finger joint support rod (7), a nut (9) is connected with the back of the screw (6) in a threaded mode, a tightening groove (5) is formed in the front side of the near-long finger joint support rod (4), the tightening groove (5) is located at the bottom of the middle-long finger joint support rod (7), and a barb (8) is fixedly arranged at the top, close to one side of the railing (2), of the middle-long finger joint support rod (7).

3. A phalangeal fracture fixation device as claimed in claim 1, wherein: the gear structure (3) comprises a clamping plate (301), a connecting rod (302) is fixedly arranged in the middle of the back of the clamping plate (301), a first gear (303) is fixedly arranged at the position, close to the front, of the outer surface of the connecting rod (302), a second gear (304) is fixedly arranged in the middle of the outer surface of the connecting rod (302), and a chuck (305) is fixedly arranged at the back of the connecting rod (302).

4. A phalangeal fracture fixation device as claimed in claim 3, wherein: the first gear (303) is in fit and clamping connection with the first inner gear groove (11), the chuck (305) is in fit and clamping connection with the circular groove (10), and the second gear (304) is in fit and clamping connection with the second inner gear groove (12).

5. A phalangeal fracture fixation device as claimed in claim 1, wherein: a sliding groove is formed in one side, far away from the railing (2), of the front face of the proximal phalanx support rod (4), and the sliding groove is in fit and clamping connection with the middle and distal phalanx support rod (7).

6. A phalangeal fracture fixation device as claimed in claim 2, wherein: the railing (2) is C-shaped, and the barb (8) is L-shaped.

7. A phalangeal fracture fixation device as claimed in claim 2, wherein: the bandage groove (5) is elliptical.