CN215874905U

CN215874905U - Minimally invasive orthopedic reduction forceps and internal fixation guide two-in-one surgical instrument

Info

Publication number: CN215874905U
Application number: CN202120857838.8U
Authority: CN
Inventors: 许康永
Original assignee: Suzhou Municipal Hospital Of Anhui Province
Current assignee: Suzhou Municipal Hospital Of Anhui Province
Priority date: 2021-04-22
Filing date: 2021-04-22
Publication date: 2022-02-22
Anticipated expiration: 2031-04-22

Abstract

The utility model discloses a minimally invasive orthopedic reduction forceps and internal fixation guide two-in-one surgical instrument, which comprises a first handle, a second handle, a screw rod, a universal connecting device, a first outer sleeve and a second outer sleeve, wherein the first handle and the second handle are hinged approximately in an X shape to form a forceps head and a forceps handle; the clamp head end of the first handle is flat; the welding of the pincers head end below of second handle has first spheroid, the screw that runs through from top to bottom is equipped with to first spheroid, universal connecting device cup joints in first spheroidal outside, universal connecting device can rotate around the arbitrary direction of first spheroidal doing, universal connecting device's inboard sliding connection has the second spheroid, just the screw that runs through from top to bottom is equipped with to the second spheroid, universal connecting device is provided with the retaining member for restrict universal connecting device and the spheroidal displacement of second, the effectual unification of two apparatus, convenient to use has effectually improved the practicality.

Description

Minimally invasive orthopedic reduction forceps and internal fixation guide two-in-one surgical instrument

Technical Field

The utility model relates to the technical field of orthopedic surgical instruments, in particular to a minimally invasive orthopedic reduction forceps and internal fixation guide integrated surgical instrument.

Background

The orthopedic reduction forceps and the internal fixation guide are widely applied to traumatic orthopedic surgery, the fracture end is required to be completely exposed and the periosteum is required to be stripped for use, the wound is huge, and the orthopedic reduction forceps and the internal fixation guide are not suitable for treating the fracture of children in particular. And after the fracture reduction and the temporary stability of the reduction forceps are maintained, the reduction forceps often influence the implantation of internal fixation. And the implantation of internal fixation often requires multiple X-ray fluoroscopy to determine the proper position and angle, which can cause repeated drilling of bone and secondary damage.

The existing orthopedic reduction forceps and the internal fixation guide are not suitable for the minimally invasive concept, and the surgical instruments for maintaining stable fracture and the surgical instruments for fixing fracture are often mutually influenced; the angle of the internal fixation guider is fixed and can not be adjusted according to actual needs, and the position and the angle of the internal fixation can be determined by repeated fluoroscopy of an X-ray machine, so that the radiation exposure time of medical care and patients is prolonged.

SUMMERY OF THE UTILITY MODEL

The technical problem to be solved by the utility model is as follows: how to make the orthopedic reduction forceps and the internal fixation guider suitable for minimally invasive technology and can be used together.

In order to solve the technical problems, the utility model provides the following technical scheme: the clamp comprises a first handle, a second handle, a screw rod, a universal connecting device, a first outer sleeve and a second outer sleeve, wherein the first handle and the second handle are hinged approximately in an X shape to form a clamp head and a clamp handle; the clamp head end of the first handle is flat; the welding of the pincers head end below of second handle has first spheroid, the screw that runs through from top to bottom is equipped with to first spheroid, universal connecting device cup joints in first spheroidal outside, universal connecting device can rotate around the arbitrary direction of making of first spheroid, universal connecting device's inboard sliding connection has the second spheroid, just the screw that runs through from top to bottom is equipped with to the second spheroid, universal connecting device is provided with the retaining member for restrict universal connecting device and the spheroidal displacement of second.

Preferably, the universal connecting device comprises two symmetrical clamping pieces, circular grooves are formed in the upper ends of the two corresponding sides of the clamping pieces, and long arc-shaped grooves are formed in the lower ends of the two corresponding sides of the clamping pieces.

Preferably, the locking piece comprises a horizontal screw hole formed in the universal connecting device and a locking screw matched with the screw hole, and the screw hole is located between the first ball body and the second ball body.

Preferably, the outer side of the first outer sleeve is provided with a thread matched with the screw hole of the first ball body, and the inner cavity of the first outer sleeve is sleeved with a first inner sleeve or a screw.

Preferably, the inner cavity of the second outer sleeve is sleeved with a second inner sleeve, the outer sides of the second outer sleeve and the second inner sleeve are both set to be smooth surfaces, and the second outer sleeve penetrates through the second ball screw hole.

Preferably, the first outer sleeve and the first inner sleeve have the same size as the second outer sleeve and the second inner sleeve.

Preferably, the inner wall of the forceps handle of the second handle is welded with a hinged seat, the first handle is provided with a through hole, one end of the screw rod is hinged with the hinged seat, and the other end of the screw rod penetrates through the through hole to be matched with the nut.

Preferably, the forceps head end of the first handle is slightly cambered.

Compared with the prior art, the utility model has the beneficial effects that: the first handle and the second handle are hinged through the screw rod by a worker, the tail end of the first handle is of a flat structure with a slight radian, and the handle is similar to a periosteum stripper, can be inserted under periosteum through a small incision in a percutaneous mode, supports the sclerotin from the lower part, and is effectively suitable for minimally invasive techniques;

the first ball body is welded below the tail end of the second handle, the first ball body is arranged to be a hollow structure and provided with threads, the first outer sleeve is inserted into the screw hole of the first ball body, the double handles are used for pressurizing, the sleeve tips penetrate into skin, bone is pressurized and reset, two instruments are effectively combined, the use is convenient, and the practicability is effectively improved;

place the second spheroid in universal connection device to set up the second spheroid into cavity, the outer sleeve of second inserts in the spheroidal screw of second, can carry out universal regulation, helps the nailing in the direction to the difference, the effectual practicality that provides.

Drawings

FIG. 1 is a schematic view of the overall structure of a minimally invasive orthopedic reduction forceps and internal fixation guide integrated surgical instrument according to the present invention;

FIG. 2 is an enlarged schematic view of part A of a minimally invasive orthopedic reduction forceps and internal fixation guide integrated surgical instrument according to the present invention;

FIG. 3 is a partial structural view of the minimally invasive orthopedic reduction forceps and internal fixation guide integrated surgical instrument of the present invention;

FIG. 4 is a partial structural view of the minimally invasive orthopedic reduction forceps and internal fixation guide integrated surgical instrument of the present invention;

FIG. 5 is a partial top view of the minimally invasive orthopedic reduction forceps and internal fixation guide integrated surgical instrument of the present invention;

fig. 6 is a schematic view of the working principle of the minimally invasive orthopedic reduction forceps and internal fixation guide integrated surgical instrument.

In the figure: 1-a first handle, 2-a second handle, 3-a hinged seat, 4-a screw, 5-a first sphere, 6-a second sphere, 7-a universal connecting device, 71-a clamping piece, 72-a circular groove, 73-a long arc groove, 8-a locking piece, 81-a screw hole, 82-a screw, 9-a first outer sleeve, 91-a first inner sleeve, 10-a second outer sleeve and 101-a second inner sleeve.

Detailed Description

In order to facilitate the understanding of the technical solutions of the present invention for those skilled in the art, the technical solutions of the present invention will be further described with reference to the drawings attached to the specification.

The terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present application, "a plurality" means two or more unless specifically limited otherwise.

Example one

Referring to fig. 1-2, the present embodiment discloses a minimally invasive orthopedic reduction forceps and internal fixation guide two-in-one surgical instrument, which includes a first handle 1, a second handle 2, a screw rod 4, a universal connecting device 7, a first outer sleeve 9, and a second outer sleeve 10.

Referring to fig. 1-2, a first handle 1 is hinged to a second handle 2 in a substantially X-shaped manner to form a binding clip and a binding clip handle; the clamp head end of the first handle 1 is flat; the bone plate is slightly cambered, is similar to a periosteum stripper, can be effectively used for supporting bone, and simultaneously leaves a pore which can enable the Kirschner wire or the screw to freely move;

the first ball body 5 is welded below the end of the second handle 2, the first ball body 5 is provided with a screw hole which penetrates through the first ball body up and down, the universal connecting device 7 is sleeved outside the first ball body 5, the universal connecting device 7 can rotate around the first ball body 5 in any direction, the universal connecting device 7 comprises two symmetrical clamping pieces 71, the upper ends of one sides corresponding to the two clamping pieces 71 are respectively provided with a circular groove 72, the lower ends of one sides corresponding to the two clamping pieces 71 are respectively provided with a long arc-shaped groove 73, so that the second ball body 6 can slide in the long arc-shaped grooves 73 for a certain distance, the second ball body 6 is provided with a screw hole which penetrates through the second ball body up and down, the universal connecting device 7 is provided with a locking piece 8, the locking piece 8 comprises a horizontal screw hole 81 which is arranged on the universal connecting device 7, and a locking screw 82 which is matched with the screw hole 81, the screw hole 81 is positioned between the first ball body 5 and the second ball body 2, to limit the displacement of the gimbal connection 7 and the second ball 6.

Referring to fig. 3, the outer side of the first outer sleeve 9 is provided with a screw thread matching with the screw hole of the first ball 5, and the inner cavity of the first outer sleeve 9 is sleeved with a first inner sleeve 91 or a screw.

Referring to fig. 4, a second inner sleeve 101 is sleeved in an inner cavity of the second outer sleeve 10, outer sides of the second outer sleeve 10 and the second inner sleeve 101 are both provided with smooth surfaces, the second outer sleeve 10 penetrates through a screw hole of the second ball 6, and the first outer sleeve 9 and the first inner sleeve 91 are the same as the second outer sleeve 10 and the second inner sleeve 101 in size.

In this embodiment, the inner wall of the forceps handle of the second handle 2 is welded with the hinged seat 3, the first handle is provided with a through hole, one end of the screw rod 4 is hinged with the hinged seat, and the other end of the screw rod passes through the through hole to be matched with the nut.

In this embodiment, the head of the first handle 1 has a slight arc.

The working principle of the embodiment is as follows: referring to fig. 1, prior to use, the set screw is loosened. When in use, a doctor holds the forceps handle by hand, the jaw end of the first handle is penetrated into the skin from the affected part, the penetration depth and the penetration force are determined according to the early stage examination, when the jaw end of the first handle 1 is penetrated into the position of the bone, the ends of the jaws of the first handle 1 and the second handle 2 are then pressed so that the first sleeve 9 penetrates the skin and the tip of the first sleeve 9 is pressed against the bone, see figure 6, then the universal connecting device 7 is rotated along the first ball body 5 and moved to a set position, then the second ball body 6 is moved to a set position along the long arc-shaped groove 73 in the universal connecting device 7, the angle of the second sleeve 10 is adjusted, then the set screw 82 is locked, at this time, the universal connecting device 7 clamps and locks the first ball body 5 and the second ball body 6, the first sleeve 9 and the second sleeve 10 are fixed in position, the forceps handle end is locked by matching of a screw and a nut, and the position and the state of the whole surgical instrument are locked. Finally, the bone is drilled and nailed through the first sleeve 9 and the second sleeve 10, and after the operation is finished, the instrument is removed through reverse operation.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein, and any reference signs in the claims are not intended to be construed as limiting the claim concerned.

The above-mentioned embodiments only represent the embodiments of the present invention, and the protection scope of the present invention is not limited to the above-mentioned embodiments, and it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the concept of the present invention, and these embodiments are all within the protection scope of the present invention.

Claims

1. The utility model provides a surgical instruments of two unifications of wicresoft's orthopedics pincers that reset and interior fixed guide, includes first handle (1), second handle (2), screw rod (4), universal connecting device (7), first outer sleeve (9), the outer sleeve of second (10), its characterized in that: the first handle (1) is hinged with the second handle (2) approximately in an X shape to form a forceps head and a forceps handle; the clamp head end of the first handle (1) is flat; the welding of the pincers head end below of second handle (2) has first spheroid (5), screw that runs through about first spheroid (5) is equipped with, universal connecting device (7) cup joint the outside at first spheroid (5), universal connecting device (7) can rotate around doing arbitrary direction of first spheroid (5), the inboard sliding connection of universal connecting device (7) has second spheroid (6), just screw that runs through about second spheroid (6) are equipped with, universal connecting device (7) are provided with retaining member (8) for the displacement of restriction universal connecting device (7) and second spheroid (6).

2. The minimally invasive orthopedic reduction forceps and internal fixation guide two-in-one surgical instrument according to claim 1, characterized in that: the universal connecting device (7) comprises two symmetrical clamping pieces (71), circular grooves (72) are formed in the upper ends of the two corresponding sides of the clamping pieces (71), and long arc-shaped grooves (73) are formed in the lower ends of the two corresponding sides of the clamping pieces (71).

3. The minimally invasive orthopedic reduction forceps and internal fixation guide two-in-one surgical instrument according to claim 1, characterized in that: retaining member (8) including set up horizontal screw (81) on universal connecting device (7) and with screw (81) complex locking screw (82), screw (81) are located between first spheroid (5) and second spheroid (6).

4. The minimally invasive orthopedic reduction forceps and internal fixation guide two-in-one surgical instrument according to claim 1, characterized in that: the outer side of the first outer sleeve (9) is provided with threads matched with screw holes of the first ball body (5), and a first inner sleeve (91) or a screw is sleeved in an inner cavity of the first outer sleeve (9).

5. The minimally invasive orthopedic reduction forceps and internal fixation guide two-in-one surgical instrument according to claim 1, characterized in that: the inner cavity of the second outer sleeve (10) is sleeved with a second inner sleeve (101), the outer sides of the second outer sleeve (10) and the second inner sleeve (101) are both set to be smooth surfaces, and the second outer sleeve (10) penetrates through a screw hole of the second sphere (6).

6. The minimally invasive orthopedic reduction forceps and internal fixation guide two-in-one surgical instrument according to claim 4, characterized in that: the first outer sleeve (9) and the first inner sleeve (91) have the same size as the second outer sleeve (10) and the second inner sleeve (101).

7. The minimally invasive orthopedic reduction forceps and internal fixation guide two-in-one surgical instrument according to claim 1, characterized in that: the inner wall of the clamp handle of the second handle (2) is welded with a hinged seat (3), the first handle is provided with a through hole, one end of the screw rod (4) is hinged with the hinged seat, and the other end of the screw rod penetrates through the through hole to be matched with the nut.

8. The minimally invasive orthopedic reduction forceps and internal fixation guide two-in-one surgical instrument according to claim 1, characterized in that: the forceps head end of the first handle (1) is slightly radian.