CN218606712U - Suture fixing device for bone internal fixation operation - Google Patents
Suture fixing device for bone internal fixation operation Download PDFInfo
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- CN218606712U CN218606712U CN202222235309.1U CN202222235309U CN218606712U CN 218606712 U CN218606712 U CN 218606712U CN 202222235309 U CN202222235309 U CN 202222235309U CN 218606712 U CN218606712 U CN 218606712U
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- foldable positioning
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Abstract
The utility model belongs to the technical field of medical surgical instruments, concretely relates to suture fixing device for internal fixation of bone operation. Comprises a guide tube, a suture and a foldable locating piece; the foldable positioning sheet consists of four rectangular sheets, wherein the short edges of the four rectangular sheets are connected end to end and arranged in a diamond shape to form four connecting edges which are up, down, left and right and can be bent; the lower connecting edge is provided with an opening, and one end of the suture penetrates through the opening of the lower connecting edge and is fixed with the upper connecting edge; the other end of the suture passes through the guide tube for operation of the operating personnel; the foldable positioning sheet is in an initial state that the left and right adjacent rectangular sheets are mutually attached; after the suture is pulled, the upper connecting edge can be driven to be close to the lower connecting edge, the left and right connecting edge positions begin to be bent, and the upper and lower adjacent rectangular sheets are mutually attached. The utility model has the advantages of simple structure, the simple operation for the device that the suture was fixed should not drop, can effectively improve the efficiency and the success rate of internal fixation operation.
Description
Technical Field
The utility model belongs to the technical field of medical treatment surgical instruments, concretely relates to suture fixing device for internal fixation of bone operation.
Background
Among the existing orthopedic procedures, the most common one is the fixation of soft tissues (e.g., tendons, ligaments, rotator cuff, medial collateral ligaments, patella tendon, etc.) to the adjacent bone. Typically, soft tissue is secured to bone using a bone anchor and a suture coupled between the soft tissue and the bone anchor such that the soft tissue is tightened against the bone. However, coupling sutures to soft tissue is time consuming and often requires a complex suture pattern for effective fixation, often requiring a skilled surgeon.
The types of the bone anchors which are conventionally adopted at present are suture balls, metal anchors, triangular fixtures, suspension fixing steel bars and the like; generally, the operation is to open a hole on the bone body needing operation and then embed the fixing device into the bone for positioning; however, the fixing strength of the current fixing device is relatively not strong enough; such as suture balls, are prone to fall off from fixed points in bone, particularly for osteoporotic patients; or other structures such as metal anchors, triangular fixing objects, suspended fixing steel bars and the like need to be provided with larger holes, and after the structures are pulled to be fixed points, the fixing devices need to be rotated to adjust the positions to form a clamping structure, so that the operation difficulty is increased.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an easy operation is swift, safe and reliable's suture fixing device for the internal fixation operation of bone.
The utility model provides a suture fixing device for internal fixation operation needs to set up the pore that link up the skeleton in advance on the skeleton that needs were bound in the internal fixation operation, and fixing device includes: a guide tube, a suture and a foldable locating piece;
the guide pipe is a long-strip thin pipe;
the suture passes through the guide tube;
the foldable positioning sheet consists of four rectangular sheets, the short edges of the four rectangular sheets are connected end to end and arranged in a diamond shape to form four connecting edges, namely an upper connecting edge, a lower connecting edge, a left connecting edge and a right connecting edge, and the connecting edges can be bent;
the lower connecting edge of the foldable positioning sheet is provided with an opening; one end of the suture penetrates through the opening of the lower connecting edge and is fixed with the upper connecting edge; the lower connecting edge of the foldable positioning sheet faces to the pipe orifice at one end of the guide pipe; the other end of the suture penetrates through one end of the guide tube and penetrates out of the other end of the guide tube, so that an operator can pull and operate the suture;
the initial state of the foldable positioning piece is the state that the left and right adjacent rectangular pieces are mutually attached, namely the foldable positioning piece is integrally attached vertically (along the length direction of the guide pipe); the other end of the suture is in the pulling process, the suture can drive the upper connecting edge of the foldable positioning piece to be close to the lower connecting edge, and the left and right connecting edge positions begin to be bent to be in a mutually-jointed state of the vertically-adjacent rectangular pieces.
In the utility model, the center of the connecting edge on the foldable positioning sheet is also provided with a hole; the suture threads penetrate through the open holes of the upper connecting edges and then are wound on the upper connecting edges to be knotted and bound; thus, the stress on the upper connecting edge can be ensured to be even when the suture is pulled.
In the utility model, two openings are arranged near the position of the connecting edge on the foldable positioning sheet, and are symmetrically arranged on the two rectangular sheets at the upper part and close to the position of the upper connecting edge, and the suture passes through the two openings to be wound and tied; therefore, the winding operation can be facilitated, the condition that the dragging stress position is the thickest position of the plastic part can be ensured, and the pulling firmness is ensured.
In the utility model, the foldable positioning sheet is made of a metal sheet made of soft metal, and the four connecting edges are crease marks formed by bending the metal sheet in advance; and bending by utilizing the ductility of the metal.
In the utility model, the foldable positioning plate is integrally formed by adopting a plastic sheet made of medical plastic material, and the plastic thickness of the four connecting edge positions is less than that of the rectangular plate; the plastic is bent by using the ductility and toughness of the plastic.
In the utility model, the width of the rectangular sheet (short side) of the foldable positioning sheet is 2-6mm.
When the utility model is used, a medical punching tool is firstly used for punching a hole on the skeleton, the diameter is about 2-6mm, and the hole can be a hole penetrating through the skeleton or a hole not penetrating through the skeleton according to different operation requirements;
firstly, one end of the guide pipe, which is provided with a foldable positioning sheet, extends into the pore channel, and the foldable positioning sheet is folded and attached longitudinally so as to conveniently penetrate through the pore channel to reach a specified position;
when the foldable positioning sheet reaches a designated position, the position of the foldable positioning sheet is propped against the guide tube and is fixed, the suture exposed from the other end of the guide tube is pulled, and when the suture is pulled and recovered, the foldable positioning sheet can be driven to be folded and changed, so that the four rectangular sheets are transversely unfolded; wherein:
if the pore canal penetrates through the skeleton, the foldable positioning sheet is transversely unfolded after penetrating through the skeleton, the unfolded area is larger than the cross-sectional area of the pore canal and cannot enter the pore canal again, so that the suture cannot be pulled back to form positioning; or if the pore canal does not penetrate through the skeleton, the foldable positioning sheet is positioned in the skeleton and transversely unfolded, so that the left connecting edge and the right connecting edge of the foldable positioning sheet are embedded into soft tissues in the skeleton, and the suture cannot be pulled back to form positioning;
finally, the guide tube is removed, and the subsequent wire binding operation is carried out by using a wire clamp, so that ligaments and tendons to be fixed are bound at the bone side for auxiliary fixation.
The utility model has the advantages of simple structure, the simple operation for the device that the suture was fixed should not drop, can effectively improve the efficiency and the success rate of internal fixation operation.
Drawings
Fig. 1 is a structural diagram of the present invention.
Fig. 2 is a schematic view of the foldable spacer in an unfolded position.
FIG. 3 is a partial view of a foldable spacer made of plastic.
Fig. 4 is a schematic view of an intraosseous operation in example 1.
Fig. 5 is a schematic view of an intraosseous operation in example 2.
Reference numbers in the figures: 1 is a guide tube, 2 is a suture, 3 is a foldable positioning sheet, 4 is an opening, 5 is a bone, and 6 is a soft tissue.
Detailed Description
Example 1
The utility model discloses repair to the shoulder sleeve, in the internal fixation operation of bone, need bind the restoration with shoulder soft tissue 6 and the skeleton 5 that closes on.
A pore canal with the diameter of 6mm, which is not communicated with the skeleton, is pre-arranged on the skeleton 5, and the fixing device comprises a guide tube 1, a suture 2 and a foldable locating piece 3;
the guide tube 1 is a long-strip thin tube, can be made of medical ABS materials, and can have an outer diameter of 5.5mm;
the foldable positioning sheet 3 is composed of four rectangular sheets, the width of the short side of each rectangular sheet is 5.5mm, the length of each rectangular sheet can be designed according to actual needs and can be about 6 to 9mm, the short sides of the four rectangular sheets are connected end to end and arranged in a diamond shape to form four connecting sides, namely an upper connecting side, a lower connecting side, a left connecting side and a right connecting side, and the connecting sides can be bent; wherein, can adopt the sheetmetal of medical metal material, four connect the crease that the limit was buckled for the sheetmetal in advance, utilize metal ductility to buckle.
The center positions of the upper and lower connecting edges of the foldable positioning sheet 3 are provided with an opening 4; one end of the suture penetrates through the opening 4 of the lower connecting edge and penetrates out of the opening 4 of the upper connecting edge, and winding and binding are manually performed in advance during production;
the lower connecting edge of the foldable locating plate 3 faces to the pipe orifice at one end of the guide pipe 1; the other end of the suture 2 penetrates through one end of the guide tube 1 and penetrates out of the other end of the guide tube 1; as shown in fig. 1.
The initial state of the foldable locating plate 3 is the state that the left and right adjacent rectangular plates are mutually attached, namely the foldable locating plate 3 is integrally attached vertically (along the length direction of the guide pipe), as shown in figure 1; when the other end of the suture 2 is in a pulling state, the suture 2 can drive the upper connecting edge of the foldable positioning piece 3 to approach the lower connecting edge, the left and right connecting edges start to bend, the positions move left and right, and the upper and lower adjacent rectangular pieces tend to be mutually attached, as shown in fig. 2.
When in operation, a medical punching tool is firstly used for punching a hole passage on the bone, the diameter of the hole passage is 6mm, and the hole passage does not penetrate through the bone;
one end of the guide pipe, which is provided with a foldable positioning sheet, extends into the pore channel, and the foldable positioning sheet is folded and attached longitudinally so as to conveniently penetrate through the pore channel to reach a specified position;
when the foldable positioning piece is appointed, the position of the guide tube is propped against the guide tube to be fixed, the suture exposed from the other end of the guide tube is pulled, when the suture is pulled and recovered, the foldable positioning piece can be driven to transversely expand the four rectangular pieces, the left connecting edge and the right connecting edge of the rectangular pieces are propped against the pore channel, the strength in the bone is not high, and when the metal pieces transversely expand left and right, the metal pieces can be embedded into the tissue in the bone, so that the suture cannot be pulled back to form fixation;
the guide tube is drawn out, and the subsequent wire binding operation is carried out by using a wire clamp, so that ligaments and tendons to be fixed are bound at the side of the skeleton to assist in fixation. As shown in fig. 4.
Example 2
The utility model discloses to the repair of ligament soft tissue, in the internal fixation operation, need bind the restoration with ligament soft tissue 6 and the skeleton 5 that closes on.
A pore canal with the diameter of 4mm and penetrating through the skeleton is preset on the skeleton 5, and the fixing device comprises a guide tube 1, a suture 2 and a foldable locating piece 3;
the guide tube 1 is a long-strip thin tube, can be made of medical ABS materials, and the outer diameter of the guide tube can be 3.5mm;
the foldable positioning piece 3 consists of four rectangular pieces, the width of the short side of each rectangular piece is 3.6mm, the short sides of the four rectangular pieces are connected end to end and arranged in a diamond shape to form four connecting sides, namely an upper connecting side, a lower connecting side, a left connecting side and a right connecting side, and the connecting sides can be bent; wherein, plastic sheets made of medical plastic materials can be integrally formed, and the plastic thickness of the four connecting edge positions is less than that of the rectangular sheet; the plastic is bent by utilizing the ductility and the toughness of the plastic, which is a conventional process for manufacturing small-sized bent plastic parts. As shown in fig. 3.
The upper and lower connecting edges of the foldable positioning sheet 3 are provided with openings 4; one end of the suture 2 penetrates through the opening of the lower connecting edge and penetrates out of the opening of the upper connecting edge, and is manually wound and bound in advance during production and is fixedly bound with the upper connecting edge; or when the injection molding is carried out, the suture end part is arranged in the mold in advance, and the suture end part can be integrally molded when the injection molding is carried out;
the number of the openings 4 of the upper connecting edge can be two, the openings are respectively symmetrically formed in the two rectangular sheets at the upper part and are close to the upper connecting edge, and the suture 2 penetrates through the two openings 4 to be wound; therefore, the winding operation can be facilitated, the condition that the pulling stress position is the thickest position of the plastic part can be ensured, and the pulling firmness is ensured. As shown in fig. 3.
The lower connecting edge of the foldable locating plate 3 faces to the pipe orifice at one end of the guide pipe 1; the other end of the suture 2 penetrates through one end of the guide tube 1 and penetrates out of the other end of the guide tube 1; as shown in fig. 1;
the initial state of the foldable locating piece 3 is the state that the left and right adjacent rectangular pieces are mutually attached, namely the foldable locating piece is integrally attached vertically (along the length direction of the guide pipe), as shown in figure 1; when the other end of the suture 2 is in a pulling state, the suture 2 can drive the upper connecting edge of the foldable positioning piece 3 to approach the lower connecting edge, the left and right connecting edges start to bend, the position moves towards the left and right, and the upper and lower adjacent rectangular pieces tend to be mutually attached, as shown in fig. 2.
When in operation, a medical punching tool is firstly used for punching a hole on the bone, the diameter of the hole is 4mm, and the hole penetrates through the hole of the bone;
one end of the guide pipe, which is provided with a foldable positioning sheet, extends into the pore channel, and the foldable positioning sheet is folded and attached longitudinally so as to conveniently penetrate through the pore channel to reach a specified position;
after the foldable positioning piece penetrates through the skeleton, the position of the foldable positioning piece is propped against the guide tube to be fixed, the suture exposed from the other end of the guide tube is pulled, and when the suture is pulled and recovered, the foldable positioning piece can be driven to transversely unfold the four rectangular pieces, so that the left and right connecting edges of the four rectangular pieces are unfolded to exceed the diameter of the pore passage, and the suture cannot be pulled back to form fixation;
the guide tube is drawn out, and the subsequent wire binding operation is carried out by using a wire clamp, so that the soft tissues such as ligaments and tendons to be fixed are bound at the bone side for auxiliary fixation. As shown in fig. 5.
The utility model has the advantages of simple structure, the simple operation for the fixed device of suture should not drop, can effectively improve the efficiency and the success rate of internal fixation operation.
While, for purposes of simplicity of explanation, the methodologies are shown and described as a series of structures, it is to be understood and appreciated that the methodologies are not limited by detail, as some structures may, in accordance with one or more embodiments, occur in different orders and/or concurrently with other actions from that shown and described herein or not shown and described herein, which may be understood by those skilled in the art.
The previous description of the disclosure is provided to enable any person skilled in the art to make or use the disclosure. Various modifications to the disclosure will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other variations without departing from the spirit or scope of the disclosure. Thus, the disclosure is not intended to be limited to the examples and designs described herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (6)
1. A suture fixing device for an intraosseous fixation operation, characterized in that a hole penetrating a bone is required to be opened in advance in the intraosseous fixation operation on the bone to be bound, the fixing device comprising: a guide tube, a suture and a foldable locating piece;
the guide pipe is a long-strip thin pipe;
the suture passes through the guide tube;
the foldable positioning sheet is composed of four rectangular sheets, the short edges of the four rectangular sheets are connected end to end and arranged in a diamond shape to form four connecting edges, namely an upper connecting edge, a lower connecting edge, a left connecting edge and a right connecting edge, and the connecting edges can be bent;
the lower connecting edge of the foldable positioning sheet is provided with an opening; one end of the suture penetrates through the opening of the lower connecting edge and is fixed with the upper connecting edge; the lower connecting edge of the foldable positioning sheet faces to the pipe orifice at one end of the guide pipe; the other end of the suture penetrates through one end of the guide tube and penetrates out of the other end of the guide tube for pulling operation of surgical personnel;
the initial state of the foldable positioning sheet is the state that the left and right adjacent rectangular sheets are mutually attached, namely the foldable positioning sheet is integrally vertically attached in the longitudinal direction; the other end of the suture is in the pulling process, the suture can drive the upper connecting edge of the foldable positioning piece to be close to the lower connecting edge, and the left and right connecting edge positions begin to be bent to be in a mutually-jointed state of the vertically-adjacent rectangular pieces.
2. The suture fastening device for the intraosseous fixation operation of claim 1, wherein the foldable positioning plate is provided with an opening at the center of the connecting edge; the suture threads penetrate out from the open holes of the upper connecting edges and then are wound on the upper connecting edges to be knotted and bound.
3. The suture holding device for the intraosseous fixation operation of claim 1, wherein two openings are provided near the position of the joining edge of the foldable positioning plate, and are symmetrically provided on the upper two rectangular plates near the position of the joining edge, respectively, and the suture is wound through the two openings.
4. The suture fixing device for the intraosseous fixation operation as claimed in claim 1, 2 or 3, wherein the foldable positioning piece is a metal sheet made of soft metal, and the four connecting edges are folds of the metal sheet which are pre-bent; and bending by utilizing the ductility of the metal.
5. The suture fastening device for the intraosseous fixation operation as claimed in claim 1, 2 or 3, wherein the foldable positioning plate is integrally formed by a plastic plate made of medical plastic, and the thickness of the plastic at the positions of the four connecting edges is smaller than that of the rectangular plate; the plastic is bent by utilizing the ductility and toughness of the plastic.
6. The suture fixation device for use in intraosseous fixation procedures of claim 1, wherein the rectangular piece width of the foldable spacer is 2-6mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222235309.1U CN218606712U (en) | 2022-08-25 | 2022-08-25 | Suture fixing device for bone internal fixation operation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222235309.1U CN218606712U (en) | 2022-08-25 | 2022-08-25 | Suture fixing device for bone internal fixation operation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218606712U true CN218606712U (en) | 2023-03-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222235309.1U Active CN218606712U (en) | 2022-08-25 | 2022-08-25 | Suture fixing device for bone internal fixation operation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218606712U (en) |
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2022
- 2022-08-25 CN CN202222235309.1U patent/CN218606712U/en active Active
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