CN221266241U - Medical phalangeal forceps - Google Patents

Abstract

The utility model relates to the technical field of medical appliances, in particular to a medical phalangeal forceps which comprises two forceps handles, wherein one ends of the two forceps handles are clamping parts, the bottoms of the clamping parts are fixedly connected with clamping arms, the bottoms of the clamping arms are fixedly connected with hinging parts, the two forceps handles are hinged and connected through the hinging parts, and the bottoms of the hinging parts are connected with holding parts. The clamping part is elliptical, and through holes with different shapes are formed in the clamping parts of the two clamp handles. The oval clamping part can be favorable for fixing finger tissues, and simultaneously, the tooth-free occlusal surface is smooth and soft tissues are prevented from being clamped. The through hole of clamping part is convenient for operate fracture position, and especially when the phalangeal has little avulsion bone piece, this phalangeal pincers both can fix the avulsion bone piece, can carry out the kirschner wire to the avulsion bone piece through the through hole on the phalangeal pincers again and fix, has effectively avoided the difficult trouble of operation of little bone piece fixed in-process.

Description

Medical phalangeal forceps

Technical Field

The utility model relates to the technical field of medical appliances, in particular to a medical phalangeal forceps.

Background

The surgical forceps serve as clamping instruments, plays an irreplaceable role in surgical operations, are various in classification, and comprise tissue forceps, tongue forceps, right-angle forceps, intestinal forceps, towel forceps, needle holding forceps, sponge forceps and the like, and can play different roles in different parts and surgical modes, and the surgical forceps used are different.

The hand is a part of human body, more part of our life, we need to use it all the time, the high frequency of hand uses, also can lead to the chance of hand injury to increase, finger fracture is also most common in clinical work, because hand nerve, tendon, blood vessel are numerous, need protect normal soft tissue from or reduce injury in the operation, need use tissue pincers to carry out operations such as the position adjustment of soft tissue, simultaneously need make patient's phalangeal perfect reset again, then need change specific phalangeal reduction pincers, need repeatedly change operation instrument, can guarantee that the finger is successfully reset under the circumstances that does not harm hand soft tissue.

But when the broken bone piece that produces of phalangeal, traditional pliers are difficult to carry out the centre gripping to this little avulsion bone piece, and the operation difficulty when traditional pliers and kirschner wire are used jointly simultaneously can lead to the kirschner wire to be difficult to the location and use, leads to the fixed difficulty to little avulsion bone piece.

Disclosure of utility model

The utility model aims to provide the medical phalangeal forceps which not only can better clamp broken bones and adjust the positions of the bones, but also can conveniently fix smaller avulsion bone blocks, can be matched with a Kirschner wire for fixation, and can avoid damaging soft tissues.

The medical phalangeal forceps comprise two forceps handles, wherein one end of each forceps handle is a clamping part, the bottom of each clamping part is fixedly connected with a clamping arm, the bottom of each clamping arm is fixedly connected with a hinge part, the two forceps handles are hinged and connected through the hinge parts, and the bottom of each hinge part is connected with a holding part; the clamping parts are elliptical, and through holes with different shapes are formed in the clamping parts of the two clamp handles.

Preferably, the inner surface and the outer surface of the clamping part are smooth surfaces.

Preferably, the whole clamp handle is made of martensitic stainless steel.

Further, a long round through hole is formed in the clamping part of one of the two clamp handles, and three round holes are formed in the clamping part of the other clamp handle.

Preferably, the clamping arms are arc structures protruding outwards, and an oval hole can be formed when the two clamp handles are closed.

Preferably, the hinge part comprises a rectangular step hole, racks are arranged in the step hole along the direction of the clamp handles, a hinge shaft is arranged in the step hole, the hinge shaft penetrates through the two step holes of the clamp handles, two ends of the hinge shaft are gear structures, the gear structures are meshed with the racks, and the racks of the two clamp handles are located on the same side of the hinge shaft.

Furthermore, the gear structure at the side of the hinged shaft end is clamped in the step hole, and the two clamp handles are in limiting clamping connection.

Further, an adjusting handle is arranged at the end side of the hinge shaft.

Preferably, the holding part is provided with an annular finger handle, one side of the annular finger handle is provided with hanging teeth, and the hanging teeth of the two forceps handles can be mutually meshed.

Compared with the prior art, the utility model has the beneficial effects that: the clamping part of the utility model adopts an oblong structure, so that the contact area is increased, and the stability is further increased. The inner side surface of the clamping part of the clamp end is smooth and toothless, and damage to soft tissues can be avoided in the clamping process. Simultaneously, two clamping parts carry out different hollowed-out drilling, one clamping part is provided with a long round hole, the other clamping part is provided with a plurality of round holes which are arranged at equal intervals, the hole opening design not only increases the clamping capacity of the clamping part to soft tissues, but also can fix the avulsion bone through the through holes on the phalangeal forceps when the utility model is applied to clamp the small avulsion bone, thereby effectively avoiding the trouble that the operation is difficult in the process of fixing the ossicle. Because the utility model can clamp and operate the bone block to reset and clamp and operate the soft tissue to adjust the position, the repeated replacement of the operating forceps is avoided, and the operating efficiency is further increased.

The hinge part of the utility model is provided with a hinge shaft with gears at two ends, the through hole of the hinge shaft is a long rectangular step hole, racks meshed with the gears are arranged in the step hole, the two gears are respectively clamped into the step holes of the two clamp handles, so that the two clamp handles are hinged, meanwhile, when the two clamp handles are closed, the two racks are mutually overlapped, the two clamp handles are fixed at the moment, then the hinge shaft can be meshed and moved along the racks by rotating the adjusting handle, the hinge shaft is a hinge point of the two clamp handles, and the hinge shaft can be moved, so that the hinge point can be changed, and further, the torque of the pliers is changed, and further, by adjusting the hinge part, the utility model is suitable for doctors with different palm sizes, so that the doctors can obtain different clamping forces through adjusting comfortable holding postures, and meanwhile, the clamping part can be enabled to obtain different clamping forces through adjusting the lever.

Drawings

FIG. 1 is a schematic overall structure of an embodiment of the present disclosure;

FIG. 2 is a schematic view of a through hole of a clamping portion of two clamp handles according to an embodiment of the disclosure;

FIG. 3 is a schematic illustration of a specific construction of a single jaw handle hinge in an embodiment of the present disclosure;

FIG. 4 is a schematic illustration of a specific configuration of a hinge in an embodiment of the present disclosure;

fig. 5 is a schematic structural view of a hinge shaft in an embodiment of the present disclosure.

In the figure: 1. a clamping part; 112. a slotted hole; 113. a round hole; 13. a clamping arm; 2. a hinge part; 21. a step hole; 211. an inner bore; 212. an outer aperture; 22. a rack; 23. a hinge shaft; 231. a gear structure; 24. adjusting the handle; 3. a grip portion; 31. an annular finger handle; 32. hanging teeth.

Detailed Description

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to specific embodiments and fig. 1 to 5.

A medical phalangeal forceps comprises two forceps handles which are made of martensitic stainless steel materials, are not easy to rust and convenient to clean, one end of each of the two forceps handles is a clamping part 1 used for clamping broken phalanges to adjust the positions of the two forceps handles or clamping skin, muscle tissues and the like, the clamping part 1 is elliptical, the contact area of the two forceps handles is increased, bones or soft tissues can be better fixed, the occlusal surfaces of the clamping parts are smooth and toothless, so that fragile soft tissues cannot be damaged, through holes with different shapes are respectively formed in the two clamping parts 1, a long round hole 112 is formed in the clamping part 1 of one forceps handle of the two forceps handles, three equal round holes 113 are formed in the clamping part 1 of the other forceps handle, the position of the through hole is the working position, when the clamp is used for clamping skin or muscle tissues, the muscle tissues between the two clamping parts 1 are slightly forced to squeeze into the through hole, so that the clamping capacity of the clamping parts 1 for clamping soft tissues is increased, meanwhile, broken bones can be better clamped and fixed through the through hole, broken stubbles can be clamped into the through hole, the clamping and adjusting positions are convenient, when the clamping parts clamp phalanges or small-sized avulsion bone blocks falling off from the phalanges, the clamp can be directly used for drilling and fixing the clamped bone blocks by being matched with the Kirschner wire, the problem that the Kirschner wire cannot operate because the bone blocks are too small after clamping is solved, and a doctor can conveniently implant fracture fixing objects.

The oval clamping part 1 is an oval with a long axis length of 2.4 cm and a short axis length of 1.1 cm, wherein the long round hole 112 is positioned at the center, the long axis length of 1.5 cm and the short axis length of 0.3 cm, meanwhile, the long axis of the long round hole 112 coincides with the long axis of the clamping part 1, the diameter of the round hole 113 is 0.3 cm, the three round holes 113 are equidistantly arranged along the long axis of the clamping part, the distance between the adjacent round holes 113 is 0.6 cm, the hollow structure of the through hole can further lighten the whole weight of the utility model, and the hand burden of doctors is reduced.

The bottom of clamping part 1 is through clamping arm 13 fixedly connected with hinge 2, and clamping arm 13 is the arc structure of slightly outwards protruding, when two pincers handles are closed each other, can form an oval space between two clamping arms, can prevent effectively that the end of gripping finger or toe in the use, further makes clamping part ability more stable.

The two forceps handles are hinged and connected through the hinge part 2, so that the mutual rotation between the two forceps handles is realized. The hinge part 2 comprises a rectangular step hole 21, the step hole 21 is a through hole, the step holes 21 on the two clamp handles are aligned, the large-size outer holes 212 are all positioned at the outer sides of the clamp handles, the small-size inner holes 211 are mutually aligned, racks 22 are arranged in the outer holes 212 of the step hole 21 along the direction of the clamp handles, a hinge shaft 23 is arranged in the step hole 21, the hinge shaft 23 penetrates through the inner holes 211 of the step holes 21 in the two clamp handles, the two ends of the hinge shaft 23 are respectively provided with a gear structure 231, the tooth top circle diameter of the gear structure 231 is larger than the width of the inner holes 211, the hinge shaft 23 is connected with the limiting clamp of the adjusting hole through the gear structure 231 to limit the two clamp handles together, meanwhile, the racks 22 are mutually meshed with the gears, so that one clamp handle is fixed, as the racks 22 positioned on the clamp handle 21 are mutually meshed with the gear structure 231, the hinge shaft 23 is also fixed, and the other forceps handle is limited only by the axial direction of the gear structure 231, and can still rotate around the gear, so that the normal opening and closing functions of the forceps are realized, meanwhile, the racks 22 of the two forceps handles are positioned on the same side of the hinge shaft 23, the end side of the hinge shaft 23 is provided with an adjusting handle 24, when the two forceps handles are closed, the two racks 22 are mutually parallel, the adjusting handle 24 is rotated to enable the gear to rotate, and because the two racks 22 are in a parallel state, the gears at the two ends of the hinge shaft 23 can simultaneously move up and down along the racks 22, and then the position of the hinge point of the forceps can be changed, so that the length of the clamping part 1 is changed, and the forceps can adapt to different depth requirements.

The bottom of the hinge part 2 is connected with a holding part 3, the holding part 3 is provided with an annular finger handle 31, one side of the annular finger handle 31 is provided with hanging teeth 32, and the hanging teeth 32 of the two forceps handles can be mutually meshed, so that the utility model is maintained at a specific clamping angle.

Other than the technical features described in the specification, all are known to those skilled in the art.

In the present utility model, the terms "upper" and "lower" are relative positions used for convenience in describing the positional relationship, and therefore, are not to be construed as limiting the scope of protection as absolute positions.

The foregoing is merely illustrative and explanatory of the utility model, as it is well within the scope of the utility model as claimed, as it relates to various modifications, additions and substitutions for those skilled in the art, without departing from the inventive concept and without departing from the scope of the utility model as defined in the accompanying claims.

Claims (9)

1. The medical phalangeal forceps comprise two forceps handles and are characterized in that one end of each forceps handle is a clamping part, the bottom of each clamping part is fixedly connected with a clamping arm, the bottom of each clamping arm is fixedly connected with a hinge part, the two forceps handles are connected in a hinge mode through the hinge parts, and the bottoms of the hinge parts are connected with holding parts; the clamping parts are elliptical, and through holes with different shapes are formed in the clamping parts of the two clamp handles.

2. The medical thumbbone forceps of claim 1 wherein the inner and outer surfaces of the clamping portion are smooth surfaces.

3. The medical phalangeal forceps of claim 1 wherein the entire body of the forceps handle is martensitic stainless steel.

4. A medical phalangeal forceps according to claim 3, wherein the clamping part of one of the two forceps handles is provided with an oblong through hole, and the clamping part of the other forceps handle is provided with three circular holes.

5. The medical phalangeal forceps according to claim 1, wherein the clamping arms are of an outwardly convex arc-shaped configuration which forms an oval aperture when the handles are closed.

6. The medical phalangeal forceps according to claim 1, wherein the hinge part comprises a rectangular step hole, racks are arranged in the step hole along the direction of the forceps handles, a hinge shaft is arranged in the step hole, the hinge shaft penetrates through the step holes of the two forceps handles, two ends of the hinge shaft are provided with gear structures, the gear structures are meshed with the racks, and the racks of the two forceps handles are located on the same side of the hinge shaft.

7. The medical phalangeal forceps according to claim 6, wherein the gear structure at the side of the hinged shaft end is clamped in the step hole, and two forceps handles are clamped in a limiting mode.

8. The medical thumbbone forceps according to claim 7, wherein the end side of the hinge shaft is provided with an adjusting handle.

9. The medical phalangeal forceps according to claim 1, wherein the holding part is provided with an annular finger handle, one side of the annular finger handle is provided with hanging teeth, and the hanging teeth of the two forceps handles can be meshed with each other.