CN210871774U

CN210871774U - Auxiliary tool for osteotomy

Info

Publication number: CN210871774U
Application number: CN201921195178.0U
Authority: CN
Inventors: 骆苏红; 宋聪聪; 栾波; 王积辉
Original assignee: Fourth Peoples Hospital of Guiyang
Current assignee: Fourth Peoples Hospital of Guiyang
Priority date: 2019-07-27
Filing date: 2019-07-27
Publication date: 2020-06-30
Anticipated expiration: 2029-07-27

Abstract

The utility model provides an appurtenance is used to osteotomy, including the pinch bar, the one end of pinch bar is the arc structure of buckling, and the radian of arc structure of buckling is 15-40 degrees, and the inboard of arc structure of buckling is laminated with the bone outer wall of treating the osteotomy mutually, and this laminating indicates approximate laminating, and certain gap can exist between the two, and the gap should be less than 3-5mm, has seted up osteotomy saw guide way along length direction on the pinch bar, and osteotomy saw guide way is extended to the middle part towards the pry bar of arc structure of buckling by the inboard of arc structure of buckling. The method solves the problems that the existing osteotomy method can not ensure the effective and rapid separation of soft tissue and osteotomy segment, and the soft tissue can be often injured by mistake, thus causing injury to patients. Belongs to the field of osteotomy auxiliary tools.

Description

Auxiliary tool for osteotomy

Technical Field

The utility model relates to an appurtenance for osteotomy belongs to the appurtenance field of osteotomy.

Background

At present, when an orthopaedics doctor carries out osteotomy on a patient, due to the fact that no special separation tool is provided, the separation effect of soft tissue and an osteotomy section is extremely poor, the soft tissue is frequently injured by mistake during osteotomy, unnecessary injury is caused to the patient, and the problem is urgently needed to be solved.

Disclosure of Invention

The utility model provides an appurtenance is used to cut bone to solve the current bone cutting method and can't guarantee the effectual quickly separating of soft tissue and osteotomy section, often can miss the soft tissue of hindering, cause the problem of injury to the patient.

In order to solve the problems, the auxiliary tool for osteotomy comprises a pry bar, one end of the pry bar is of an arc-shaped bending structure, the radian of the arc-shaped bending structure is 15-40 degrees, the width of the arc-shaped bending structure is 1.5-2cm, the inner side of the arc-shaped bending structure is attached to the outer wall of a bone to be osteotomed, the attachment means approximate attachment, a certain gap can exist between the arc-shaped bending structure and the pry bar, the gap is smaller than 3-5mm, an osteotomy saw guide groove is formed in the pry bar in the length direction, and the osteotomy saw guide groove extends from the inner side of the arc-shaped bending structure to the middle of the pry bar facing the arc-.

In the auxiliary tool for osteotomy, the radian of the arc-shaped bending structure is 30 degrees;

in the auxiliary tool for osteotomy, the arc length of the arc-shaped bending structure is 1-3 cm;

in the auxiliary tool for osteotomy, the surfaces of the arc-shaped bending structure and the pry bar are both smooth curved surface structures;

among the aforementioned appurtenance for cutting bone, still including supplementary pinch bar, the one end of supplementary pinch bar is supplementary arc bending structure, and supplementary arc bending structure's radian is the same with the radian of arc bending structure, and the draw-in groove has been seted up at the middle part of supplementary arc bending structure outer end, and the width of draw-in groove is greater than the width of arc bending structure, has seted up supplementary bone saw guide way of cutting along length direction on the supplementary pinch bar.

Compared with the prior art, the utility model discloses the arc that utilizes the pinch bar structure of buckling can effectual separation soft tissue and osteotomy section to provide the guide effect for the osteotomy saw through osteotomy saw guide way and cut the osteotomy to the osteotomy section after the separation, can avoid cutting the bone in-process effectively and hurt the soft tissue, the result of use is fabulous, and this instrument simple structure, it is very convenient to use, suitable popularization and application.

Drawings

Fig. 1 is a schematic front view of the present invention;

FIG. 2 is a right side view of FIG. 1;

FIG. 3 is a schematic structural view of the present invention in use;

FIG. 4 is a schematic view of the structure of FIG. 3 with the steel plate engaged to separate the soft tissue;

FIG. 5 is a schematic view of the structure of the auxiliary pry bar in use;

FIG. 6 is a front view of the auxiliary pry bar;

fig. 7 is a front view schematically showing the construction of the auxiliary pry bar.

Detailed Description

To further clarify the objects, technical solutions and advantages of the present invention, a more particular description of the invention will be rendered by reference to the appended drawings, which are illustrated in the appended drawings.

Example 1

Referring to fig. 1 to 3, the present embodiment provides an auxiliary tool for osteotomy, including a pry bar 1, one end of the pry bar 1 is an arc-shaped bending structure 11, the surfaces of the arc-shaped bending structure 11 and a main body of the pry bar 1 are both smooth curved surface structures to avoid scratching soft tissues of a patient, the radian of the arc-shaped bending structure 11 is 20 degrees, the arc length of the arc-shaped bending structure 11 is 2cm and the width of the arc-shaped bending structure 11 is 2cm, the inner side of the arc-shaped bending structure 11 is attached to the outer wall of a bone to be osteotomed, the attachment means is approximately attached, a certain gap can exist between the two, the gap should be smaller than 3-5mm, an osteotomy saw guide groove 12 is formed in the pry bar 1 along the length direction, the osteotomy saw guide groove 12 extends from the inner side of the arc-shaped bending structure 11 to the middle of the pry bar 1 facing the arc-shaped bending structure 11, when in use, the arc structure of buckling 11 wraps up in the outside of cutting the bone section 2, then, with cut the bone saw along cutting bone saw guide way 12 cut bone section 2 can, for guaranteeing more thorough of soft tissue 3 and the separation of cutting bone section 2 all around, as shown in fig. 4, can stretch into a steel sheet 4 and separate the soft tissue 3 of opposite side with cutting bone section 2 at the opposite side of cutting bone section 2 relative with arc structure of buckling 11, then cut the bone according to above-mentioned mode can, effectively avoid cutting the soft tissue.

Example 2

Referring to fig. 1 to 3, the present embodiment provides an auxiliary tool for osteotomy, including a pry bar 1, one end of the pry bar 1 is an arc-shaped bending structure 11, the surfaces of the arc-shaped bending structure 11 and a main body of the pry bar 1 are both smooth curved surface structures to avoid scratching soft tissues of a patient, the radian of the arc-shaped bending structure 11 is 30 degrees, the arc length of the arc-shaped bending structure 11 is 2cm and the width thereof is 1.5cm, the inner side of the arc-shaped bending structure 11 is attached to the outer wall of a bone to be osteotomed, the attachment means approximately attaching, a certain gap can exist between the inner side and the outer wall, the gap is smaller than 3-5mm, an osteotomy saw guide groove 12 is formed in the pry bar 1 along the length direction, the osteotomy saw guide groove 12 extends from the inner side of the arc-shaped bending structure 11 to the middle of the pry bar 1 facing the arc-shaped bending structure 11, when in use, the arc-, the arc structure of buckling 11 wraps up in the outside of cutting the bone section 2, then, with cut the bone saw along cutting bone saw guide way 12 cut bone section 2 can, for guaranteeing more thorough of soft tissue 3 and the separation of cutting bone section 2 all around, as shown in fig. 4, can stretch into a steel sheet 4 and separate the soft tissue 3 of opposite side with cutting bone section 2 at the opposite side of cutting bone section 2 relative with arc structure of buckling 11, then cut the bone according to above-mentioned mode can, effectively avoid cutting the soft tissue.

Example 3

Referring to fig. 1 to 3, the present embodiment provides an auxiliary tool for osteotomy, including a pry bar 1, one end of the pry bar 1 is an arc-shaped bending structure 11, the surfaces of the arc-shaped bending structure 11 and a main body of the pry bar 1 are both smooth curved surface structures to avoid scratching soft tissues of a patient, the radian of the arc-shaped bending structure 11 is 35 degrees, the arc length of the arc-shaped bending structure 11 is 2.5cm and the width thereof is 2cm, the inner side of the arc-shaped bending structure 11 is attached to the outer wall of a bone to be osteotomed, the attachment means approximately attaching, a certain gap can exist between the inner side and the outer wall, the gap is smaller than 3-5mm, an osteotomy saw guide groove 12 is formed in the pry bar 1 along the length direction, the osteotomy saw guide groove 12 extends from the inner side of the arc-shaped bending structure 11 to the middle of the pry bar 1 facing the arc-shaped bending structure 11, when in use, the arc-, the arc structure of buckling 11 wraps up in the outside of cutting the bone section 2, then, with cut the bone saw along cutting bone saw guide way 12 cut bone section 2 can, for guaranteeing more thorough of soft tissue 3 and the separation of cutting bone section 2 all around, as shown in fig. 4, can stretch into a steel sheet 4 and separate the soft tissue 3 of opposite side with cutting bone section 2 at the opposite side of cutting bone section 2 relative with arc structure of buckling 11, then cut the bone according to above-mentioned mode can, effectively avoid cutting the soft tissue.

Example 4

Referring to fig. 1 to 3, the present embodiment provides an auxiliary tool for osteotomy, including a pry bar 1, one end of the pry bar 1 is an arc-shaped bending structure 11, the surfaces of the arc-shaped bending structure 11 and a pry bar 1 main body are both smooth curved surface structures to avoid scratching soft tissues of a patient, the radian of the arc-shaped bending structure 11 is 35 degrees, the arc length of the arc-shaped bending structure 11 is 2.5cm and the width thereof is 2cm, the inner side of the arc-shaped bending structure 11 is attached to the outer wall of a bone to be osteotomed, the attachment means approximately attachment, a certain gap can exist between the inner side and the outer wall, the gap is smaller than 3-5mm, an osteotomy saw guide groove 12 is formed in the pry bar 1 along the length direction, the osteotomy saw guide groove 12 extends from the inner side of the arc-shaped bending structure 11 to the middle of the pry bar 1 facing the arc-shaped bending structure 11, the auxiliary pry bar 5 is further included, one end of the auxiliary pry bar 5 is an, the middle part of supplementary arc structure 51 outer end of buckling has seted up draw-in groove 52, and the width of draw-in groove 52 is greater than the width that the arc structure 11 of buckling, has seted up supplementary osteotomy saw guide way 53 along length direction on the supplementary pinch bar 5.

When the bone cutting saw is used, referring to fig. 5 to 7, the arc-shaped bending structure 11 extends into the bone cutting section 2 from the incision and separates the soft tissue 3 on one side of the bone cutting section 2 from the bone cutting section 2, the arc-shaped bending structure 11 is wrapped on the outer side of the bone cutting section 2, then the auxiliary pry bar 5 separates the soft tissue 3 on the other side of the bone cutting section 2 from the incision, the arc-shaped bending structure 11 is clamped into the clamping groove 52 of the auxiliary arc-shaped bending structure 51, so that the soft tissue 3 is separated from the bone cutting section 2 more thoroughly, and finally, the bone cutting saw is used for cutting the bone cutting section 2 along the bone cutting saw guide groove 12 and the auxiliary bone cutting saw guide groove 53.

The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims

1. An auxiliary tool for osteotomy, comprising: including pinch bar (1), the one end of pinch bar (1) is arc bending structure (11), the radian of arc bending structure (11) is 15-40 degrees, arc bending structure (11) width 1.5-2cm, the inboard of arc bending structure (11) is laminated with the bone outer wall of waiting to cut the bone mutually, seted up along length direction on pinch bar (1) and cut bone saw guide way (12), cut bone saw guide way (12) by the inboard of arc bending structure (11) extend to the middle part towards the pinch bar (1) of arc bending structure (11).

2. An osteotomy aid as defined in claim 1, wherein: the radian of the arc-shaped bending structure (11) is 30 degrees.

3. An osteotomy aid as defined in claim 1, wherein: the arc length of the arc-shaped bending structure (11) is 1-3 cm.

4. An osteotomy aid as defined in claim 1, wherein: the surfaces of the arc-shaped bending structure (11) and the pry bar (1) are both smooth curved surface structures.

5. An osteotomy aid as defined in claim 1, wherein: still including supplementary pinch bar (5), the one end of supplementary pinch bar (5) is supplementary arc bending structure (51), and the radian of supplementary arc bending structure (51) is the same with the radian of arc bending structure (11), and draw-in groove (52) have been seted up at the middle part of supplementary arc bending structure (51) outer end, and the width of draw-in groove (52) is greater than the width that arc bending structure (11), has seted up supplementary bone saw guide way (53) of cutting along length direction on supplementary pinch bar (5).