CN211796645U

CN211796645U - Periosteum stripper

Info

Publication number: CN211796645U
Application number: CN202020215076.7U
Authority: CN
Inventors: 申洪全
Original assignee: Jiangjin Central Hospital of Chongqing
Current assignee: Jiangjin Central Hospital of Chongqing
Priority date: 2020-02-26
Filing date: 2020-02-26
Publication date: 2020-10-30
Anticipated expiration: 2030-02-26

Abstract

The utility model discloses an periosteum stripper, including the handle piece of rectangular shape, handle piece one end bending becomes first circular arc section, and the handle piece other end is reverse bending forms the second circular arc section for first circular arc section bending direction, the end of first circular arc section and second circular arc section all forms the blade, first circular arc section and second circular arc section are the circular arc section that the central angle is 180 degrees, and the initial endpoint tangent line of first circular arc section and second circular arc section is mutually perpendicular with the vertical well separated time of handle piece; the diameter corresponding to the first arc section is not equal to the diameter corresponding to the second arc section; the annular periosteum stripping device is suitable for periosteum stripping in the traditional open fracture operation and minimally invasive fracture operation, facilitates minimally invasive incision in the operation, reduces soft tissue stripping injury around fracture broken ends, facilitates later-stage further operation, reduces postoperative influence, and is convenient to use.

Description

Periosteum stripper

Technical Field

The utility model relates to a medical surgical instrument, in particular to a periosteum stripper.

Background

The periosteum stripper is mainly used for stripping periosteum, peripheral muscles and other tissues in medical orthopedic surgery, and is generally formed by slightly bending one end of a strip-shaped handle piece, and forming a cutting edge at the tail end of a bending section, so that the periosteum stripper can be conveniently inserted into and separated from the periosteum, the peripheral muscles and the like; in actual operation, the periosteum stripper with the structure has a limited periosteum stripping range along the circumference of a long tube bone, cannot realize annular stripping, cannot be applied to limb minimally invasive incisions, and is not beneficial to the development of the existing minimally invasive orthopedics.

SUMMERY OF THE UTILITY MODEL

In view of this, the utility model aims at overcoming the defect among the prior art, provide a periosteum stripper, the annular periosteum that is applicable to minimal access bone surgery peels off, makes things convenient for the incision that creates a little in the art, reduces the fracture broken ends soft tissue around and peels off the damage, makes things convenient for the further operation in later stage, alleviates the postoperative influence to convenient to use.

The utility model discloses a periosteum stripper, including the handle piece of rectangular shape, handle piece one end bending becomes first circular arc section, and the handle piece other end is reverse bending relative to the first circular arc section direction of bending and forms the second circular arc section, the end of first circular arc section and second circular arc section all forms the blade, first circular arc section and second circular arc section are the circular arc section that the central angle is 150-180, and the initial endpoint tangent line of first circular arc section and second circular arc section is mutually perpendicular with the vertical well separated time of handle piece; the diameter corresponding to the first circular arc section is not equal to the diameter corresponding to the second circular arc section.

Further, the middle of the handle piece also comprises a middle section, the middle section consists of a torsion section and a bending section, the torsion section is twisted by 90 degrees around the longitudinal middle parting line of the handle piece, and the bending angle of the bending section is 70 degrees to 90 degrees.

Further, the first circular arc segment and the second circular arc segment are both circular arc segments with a central angle of 175 °.

Furthermore, the diameter corresponding to the first circular arc section is 3cm, and the diameter corresponding to the second circular arc section is 5 cm.

Furthermore, the diameter corresponding to the first circular arc section is 5cm, and the diameter corresponding to the second circular arc section is 7 cm.

Furthermore, the lateral surface of the middle section of the handle sheet is recessed to form a first finger positioning groove close to the first arc section and a second finger positioning groove close to the second arc section, the first finger positioning groove and the first arc section are both positioned at the same side of the handle sheet, and the first finger positioning groove and the first arc section are both positioned at the same side of the handle sheet.

Furthermore, the second circular arc section and the first circular arc section are both narrow in the middle and wide at two ends.

Further, the width of handle piece interlude is followed second circular arc section to first circular arc section direction and is crescent again and reduce gradually, then crescent again and reduce gradually.

The utility model has the advantages that: the utility model discloses a periosteum stripper, set up to the vertical well separated time mutually perpendicular with the handle piece through the originated endpoint tangent line with first circular arc section and second circular arc section, and first circular arc section and second circular arc section are the circular arc section that the central angle is 180, do benefit to the realization and peel off the periosteum of long tubular bone under the relatively less condition of operation incision annular, the annular periosteum that is applicable to wicresoft's orthopedic operation peels off, the soft tissue around the reduction fracture broken end peels off the damage, make things convenient for the further operation in later stage, alleviate postoperative influence, and stripper both ends set up not unidimensional bending section, do benefit to that a stripper is applicable to peel off in different pipe diameter long tubular bones.

Drawings

The invention will be further described with reference to the following figures and examples:

fig. 1 is a schematic structural view of the present invention;

FIG. 2 is another schematic structural diagram of the present invention;

fig. 3 is a schematic structural diagram of the middle section of the present invention.

Detailed Description

As shown in the figures, fig. 2 is another schematic structural diagram of the present invention, fig. 3 is a schematic structural diagram of a middle section of the present invention, which includes a long-strip-shaped handle piece, one end of the handle piece is bent to form a first arc segment 1, the other end of the handle piece is reversely bent relative to the bending direction of the first arc segment 1 to form a second arc segment 2, the ends of the first arc segment 1 and the second arc segment 2 both form a cutting edge, the first arc segment 1 and the second arc segment 2 are arc segments with a central angle of 150 ° to 180 °, and the initial end point tangents of the first arc segment 1 and the second arc segment 2 are perpendicular to the longitudinal midline of the handle piece; the diameter corresponding to the first circular arc section 1 is not equal to the diameter corresponding to the second circular arc section 2; the initial end point tangent lines of the first arc section 1 and the second arc section 2 are set to be mutually perpendicular to the longitudinal middle dividing line of the handle piece, and the first arc section 1 and the second arc section 2 are both arc sections with central angles of 150-180 degrees, so that the annular stripping of periosteum of the long-tube bone is favorably realized under the condition that an operation incision is relatively small, the annular periosteum stripping is suitable for minimally invasive orthopedic operations, the influence after the operation is reduced, and the two ends of the stripper are provided with the bending sections with different sizes, so that one stripper is favorably suitable for stripping long-tube bones with different pipe diameters; the first arc section and the first arc section are relatively fixed to form a lever, so that force can be exerted conveniently; the longitudinal direction indicates the longitudinal direction of the stripper.

In this embodiment, the middle of the handle piece further comprises a middle section, the middle section is composed of a torsion section 4 and a bending section 5, the torsion section 4 is twisted by 90 degrees around a longitudinal midline of the handle piece, and a bending angle of the bending section is 70 degrees to 90 degrees; the bending angle of the bending section is preferably 80 degrees, as shown in the figure, the middle section of the structure is arranged, so that the interference between the rear end of the stripper and the operating table surface during operation is avoided, the effective length of the stripper is shortened, and the convenience of operation is improved.

In this embodiment, the first arc segment 1 and the second arc segment 2 are both arc segments with a central angle of 175 °; under the condition of the central angle, the opening of the bending section is ensured to be larger, the insertion operation is convenient, and simultaneously, the maximum opening angle of the operation incision is relatively smaller during the annular stripping operation; the handle sheet (including the middle section) is integrally formed, and is convenient to manufacture through twisting and bending processing.

In this embodiment, the diameter corresponding to the first arc segment 1 is 3cm, and the diameter corresponding to the second arc segment 2 is 5 cm; the corresponding diameter of the first circular arc section 1 is 5cm, and the corresponding diameter of the second circular arc section 2 is 7 cm; two groups of different sizes are arranged, so that the practical application range is relatively wide.

In the embodiment, the side surface of the middle section of the handle sheet is recessed to form a first manual locating groove 3 close to the first circular arc section 1 and a second manual locating groove close to the second circular arc section 2, the first manual locating groove 3 and the first circular arc section 1 are both positioned on the same side of the handle sheet, and the first finger locating groove and the first circular arc section 1 are both positioned on the same side of the handle sheet; as shown in the figure, the first manual positioning groove and the second manual positioning groove are both approximate to an oval shape, and the positioning grooves are used for positioning a thumb pressed into the positioning grooves during operation, so that the periosteum detacher is convenient to hold by hands, and the operation stability is improved.

The second arc section 2 and the first arc section 1 are both narrow in the middle and wide at two ends; the width of the middle section of the handle piece is gradually increased and decreased along the direction from the second arc section 2 to the first arc section 1, and then is gradually increased and decreased; through this shape setting, when facilitating the use, practice thrift raw and other materials, reduce the cost of manufacture.

Finally, although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the present invention can be modified or replaced by other means without departing from the spirit and scope of the present invention, which should be construed as limited only by the appended claims.

Claims

1. A periosteal detacher, comprising: the handle comprises a strip-shaped handle piece, one end of the handle piece is bent to form a first arc section, the other end of the handle piece is reversely bent relative to the bending direction of the first arc section to form a second arc section, the tail ends of the first arc section and the second arc section form cutting edges, the first arc section and the second arc section are arc sections with central angles of 150-180 degrees, and the starting end point tangent lines of the first arc section and the second arc section are perpendicular to the longitudinal midline of the handle piece; the diameter corresponding to the first circular arc section is not equal to the diameter corresponding to the second circular arc section.

2. The periosteal detacher as recited in claim 1, wherein: the middle of the handle piece also comprises a middle section, the middle section consists of a torsion section and a bending section, the torsion section is twisted by 90 degrees around the longitudinal middle parting line of the handle piece, and the bending angle of the bending section is 70 degrees to 90 degrees.

3. The periosteal detacher as recited in claim 1, wherein: the first circular arc section and the second circular arc section are both circular arc sections with a central angle of 175 degrees.

4. The periosteal detacher as recited in claim 1, wherein: the diameter that first circular arc section corresponds is 3cm, and the diameter that the second circular arc section corresponds is 5 cm.

5. The periosteal detacher as recited in claim 1, wherein: the diameter that first circular arc section corresponds is 5cm, and the diameter that the second circular arc section corresponds is 7 cm.

6. The periosteal detacher as recited in claim 5, wherein: the middle section side of the handle piece is sunken to form a first finger positioning groove close to the first arc section and a second finger positioning groove close to the second arc section, the first finger positioning groove and the first arc section are both positioned at the same side of the handle piece, and the first finger positioning groove and the first arc section are both positioned at the same side of the handle piece.

7. The periosteal detacher as recited in claim 6, further comprising: the second circular arc section and the first circular arc section are both narrow in the middle and wide at two ends.

8. The periosteal detacher as in claim 7, further comprising: the width of the middle section of the handle piece is gradually increased and decreased along the direction from the second arc section to the first arc section, and then is gradually increased and decreased.