CN115153804A - Bone clamp structure and bone clamp system - Google Patents
Bone clamp structure and bone clamp system Download PDFInfo
- Publication number
- CN115153804A CN115153804A CN202210730246.9A CN202210730246A CN115153804A CN 115153804 A CN115153804 A CN 115153804A CN 202210730246 A CN202210730246 A CN 202210730246A CN 115153804 A CN115153804 A CN 115153804A
- Authority
- CN
- China
- Prior art keywords
- clamping
- bone
- hole
- leg
- clamping leg
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Images
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/56—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor
- A61B17/58—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor for osteosynthesis, e.g. bone plates, screws, setting implements or the like
- A61B17/88—Osteosynthesis instruments; Methods or means for implanting or extracting internal or external fixation devices
- A61B17/8866—Osteosynthesis instruments; Methods or means for implanting or extracting internal or external fixation devices for gripping or pushing bones, e.g. approximators
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/56—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor
- A61B17/58—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor for osteosynthesis, e.g. bone plates, screws, setting implements or the like
- A61B17/68—Internal fixation devices, including fasteners and spinal fixators, even if a part thereof projects from the skin
- A61B17/683—Internal fixation devices, including fasteners and spinal fixators, even if a part thereof projects from the skin comprising bone transfixation elements, e.g. bolt with a distal cooperating element such as a nut
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/56—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor
- A61B2017/564—Methods for bone or joint treatment
Abstract
The embodiment of the invention provides a bone clamp structure and a bone clamp system, and relates to the field of surgical orthopedic instruments. Aims to solve the problem that the bone clamp structure is easy to slip in the process of clamping the bone. The bone clamp structure comprises a central shaft, a first clamping leg and a second clamping leg; the first clamping leg and the second clamping leg are connected to the central shaft; the first clamping leg is provided with a first clamping part, the second clamping leg is provided with a second clamping part, and an adjustable clamping space for clamping the bone is formed between the first clamping part and the second clamping part; the side of first clamping part is provided with first laminating portion, and first laminating portion is used for contacting with the bone laminating, and first laminating portion and second clamping part are fixed in the centre gripping space with the bone centre gripping jointly. The bone clamp subsystem includes a linkage and at least two bone clamp structures. In the operation process, the first fitting part is in fitting contact with the bone, and the second clamping part is not easy to slip in the process of abutting against the bone.
Description
Technical Field
The invention relates to the field of surgical orthopedic instruments, in particular to a bone clamp structure and a bone clamp subsystem.
Background
In the process of clamping and fixing the bone, the contact area between the bone clamp and the bone is small, and the operation difficulty is high.
Disclosure of Invention
Objects of the invention include, for example, providing a bone clamp structure that ameliorates the problem of the bone clamp structure slipping during clamping of a bone.
It is also an object of the present invention to provide a bone clip system that ameliorates the problem of slippage of the bone clip structure during the process of clamping the bone.
Embodiments of the invention may be implemented as follows:
the embodiment of the invention provides a bone clamp structure, which comprises a central shaft, a first clamping leg and a second clamping leg, wherein the central shaft is fixedly connected with the first clamping leg;
the first clamping leg and the second clamping leg are connected to the central shaft, and the first clamping leg and the second clamping leg can rotate relatively;
the first clamping leg is provided with a first clamping part, the second clamping leg is provided with a second clamping part, and the first clamping part and the second clamping part are used for being close to or far away from each other in the relative rotation process of the first clamping leg and the second clamping leg so as to form an adjustable clamping space for clamping bones; the side of first clamping part is provided with first laminating portion, first laminating portion be used for with the bone laminating contact, just first laminating portion be used for with the second clamping part will jointly the bone centre gripping is fixed in the centre gripping space.
In addition, the bone clip structure provided by the embodiment of the invention can also have the following additional technical characteristics:
optionally, the tip of the second clamping portion extends along a direction from the center of the clamping space to the middle of the first fitting portion, so as to abut against the bone.
Optionally, a second attaching portion is arranged on a side surface of the second clamping portion, and the second attaching portion corresponds to the first attaching portion in position; the second attaching portion is used for being attached to and contacted with the bone, and the second attaching portion and the first attaching portion are used for clamping and fixing the bone in the clamping space together.
Optionally, the first clamping leg comprises a first fixing portion, a first connecting portion and a first clamping leg portion which are connected in sequence, and one end, far away from the first connecting portion, of the first clamping leg portion forms the first clamping portion; the second clamping leg comprises a second connecting part, a second fixing part and a second clamping leg part which are sequentially connected, and one end of the second clamping leg part, which is far away from the second fixing part, forms the second clamping part;
the first connecting part and the second connecting part are connected through the central shaft; the bone clamp structure further comprises a first fastener, wherein the first fastener is used for being connected and fixed with the first fixing part and abutting against the second fixing part, so that the first clamping leg and the second clamping leg clamp the bone.
Optionally, the number of the first clip leg portions is two, and the number of the second clip leg portions is one; the two first clamping leg parts and the second clamping leg part are distributed in a triangular structure, so that the bone is clamped and fixed in the clamping space together.
Optionally, the first connecting portion is provided with a first connecting hole and a fixing hole communicated with the first connecting hole, the second connecting portion is provided with a second connecting hole, and the central shaft penetrates through the first connecting hole and the second connecting hole at the same time;
the central shaft is provided with a through hole, and the through hole is used for mounting a connecting rod; the connecting rod is used for simultaneously connecting at least two bone clamp structures;
the bone clip structure further comprises a third fastener, and the third fastener is used for being connected with the fixing hole and used for penetrating through the fixing hole to abut against and fix the connecting rod penetrating through the through hole.
Optionally, the first connection hole comprises a first section of hole and a second section of hole which are communicated with each other; the second connecting part is arranged in the first section hole, and the central shaft simultaneously penetrates through the first section hole and the second connecting hole so as to connect the first clamping leg with the second clamping leg;
the connecting rod is arranged through the through hole and the second section of hole together in a penetrating manner; the second section of hole is communicated with the fixing hole; the third fastener is used for penetrating through the fixing hole to butt against and fix the connecting rod accommodated in the second section hole.
Optionally, the first clamping leg portion further comprises a mounting portion disposed on the first connecting portion; the mounting part is provided with an internal thread, two sides of the internal thread are provided with through U-shaped grooves, the U-shaped grooves are used for clamping connecting rods, and the connecting rods are used for simultaneously connecting at least two bone clamp structures;
the bone clip structure further comprises a plug screw; the screw plug is used for being in threaded connection with the U-shaped groove; and the connecting rod is pressed and fixed by the screw plug after being inserted into the U-shaped groove.
Optionally, the number of the first clamping leg portions is two, and both the first clamping leg portions are connected with the first connecting portion;
the bone clip structure further comprises a first k-wire; first kirschner wire sets up two between the first leg that presss from both sides, first kirschner wire with first connecting portion threaded connection, first kirschner wire is used for relatively first connecting portion pivoted in-process stretches into the centre gripping space to inject and be located the bone in the centre gripping space fixes the bone.
Optionally, the bone clip structure further comprises a second k-wire; the second Kirschner wire is positioned on the same side of the first clamping leg part and the second clamping leg part, and the second Kirschner wire, the first clamping leg part and the second clamping leg part are distributed in a triangular structure; the first fixing part is provided with a mounting hole and a second fastening hole communicated with the mounting hole; the mounting hole is used for penetrating the second Kirschner wire; the bone clamp structure further comprises a second fastening piece, and the second fastening piece is used for being connected and fixed with the second fastening hole and abutting and fixing the second Kirschner wire penetrating into the mounting hole.
Embodiments of the present invention also provide a bone clip system. The bone clamp system comprises a connecting rod and at least two bone clamp structures; the connecting rod is simultaneously connected with at least two bone clamp structures so as to fix the at least two bone clamp structures into a whole.
The bone clamp structure and the bone clamp system of the embodiment of the invention have the beneficial effects that:
a bone clamp structure comprising a central shaft, a first clamping leg and a second clamping leg; the first clamping leg and the second clamping leg are connected to the central shaft, and the first clamping leg and the second clamping leg can rotate relatively; the first clamping leg is provided with a first clamping part, the second clamping leg is provided with a second clamping part, and the first clamping part and the second clamping part are used for being close to or far away from each other in the relative rotation process of the first clamping leg and the second clamping leg so as to form an adjustable clamping space for clamping bones; the side of first clamping part is provided with first laminating portion, and first laminating portion is used for contacting with the laminating of bone, and just first laminating portion is used for being fixed in the centre gripping space with the bone centre gripping jointly with the second clamping part.
In the operation process, first clamping part and second clamping part are used for puncturing the tissue, form the posture of embracing to the bone, then one side surface of first laminating portion laminating bone, and the area of contact with the bone is big, and the in-process that the second clamping part is used for supporting the bone is difficult for skidding.
The bone clamp system comprises a connecting rod and at least two of the bone clamp structures. The problem that the bone clamp structure is easy to slip in the process of clamping the bone can be solved.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and those skilled in the art can also obtain other related drawings based on the drawings without inventive efforts.
FIG. 1 is a schematic structural view of a first configuration of a bone clip configuration according to an embodiment of the present invention;
FIG. 2 is an exploded view of the bone clip structure shown in FIG. 1;
FIG. 3 is a schematic view of a first leg of the bone clip structure of FIG. 1;
FIG. 4 is a schematic structural view of a second configuration of a bone clip structure according to an embodiment of the present invention;
FIG. 5 is a schematic view of the first leg of the bone clip structure of FIG. 4;
FIG. 6 is a schematic structural view of a third configuration of a bone clip structure provided in accordance with an embodiment of the present invention;
FIG. 7 is a schematic structural view of a fourth configuration of a bone clip structure provided in accordance with an embodiment of the present invention;
FIG. 8 is a schematic structural view of a first configuration of a bone clamp system in accordance with an embodiment of the present invention;
FIG. 9 is a schematic structural view of a second configuration of a bone clamp system according to an embodiment of the present invention;
FIG. 10 is a schematic structural view of a third configuration of a bone clamp system according to an embodiment of the present invention;
figure 11 is a schematic structural view of a fourth configuration of a bone clamp system in accordance with an embodiment of the present invention.
An icon: 10-bone clamp structure; 100-central axis; 110-a via; 200-a first clamping leg; 210-a first fixed part; 220-a first connection; 221-a first connection hole; 222-a groove; 223-pin screw holes; 224-a first through hole; 225-a third fastener; 226-fixing hole; 230-a first clip leg portion; 232-a first clamping portion; 233-a first attaching portion; 300-a second leg clip; 310-a second connection; 311-second connection hole; 320-a second fixed part; 321-a second through hole; 330-a second clip leg portion; 331-a second clamping portion; 332-a second attachment; 400-a clamping space; 500-a first fastener; 510-a first fastening hole; 600-a mounting portion; 610-U-shaped groove; 630-plug screw; 640-internal threads; 700-mounting holes; 710-a second fastening hole; 720-a second fastener; 800-a first k-wire; 810-a second k-wire; 900-connecting rod.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
In the description of the present invention, it should be noted that if the terms "upper", "lower", "inside", "outside", etc. indicate an orientation or a positional relationship based on that shown in the drawings or that the product of the present invention is used as it is, this is only for convenience of description and simplification of the description, and it does not indicate or imply that the device or the element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention.
Furthermore, the appearances of the terms "first," "second," and the like, if any, are only used to distinguish one description from another and are not to be construed as indicating or implying relative importance.
It should be noted that the features of the embodiments of the present invention may be combined with each other without conflict.
The bone clip structure 10 provided in the present embodiment will be described in detail with reference to fig. 1 to 11.
Referring to fig. 1 and 2, an embodiment of the invention provides a bone clamp structure 10, including a central shaft 100, a first leg 200 and a second leg 300; the first leg clip 200 and the second leg clip 300 are both connected to the central shaft 100, and the first leg clip 200 and the second leg clip 300 can rotate relatively; the first clamping leg 200 is provided with a first clamping part 232, the second clamping leg 300 is provided with a second clamping part 331, and the first clamping part 232 and the second clamping part 331 are used for approaching to or departing from each other in the relative rotation process of the first clamping leg 200 and the second clamping leg 300 so as to form an adjustable clamping space 400 for clamping bones; the first fitting portion 233 is disposed on a side surface of the first clamping portion 232, the first fitting portion 233 is used for being in fitting contact with a bone, and the first fitting portion 233 is used for clamping and fixing the bone to the clamping space 400 together with the second clamping portion 331.
The phrase "the first leg clip 200 and the second leg clip 300 can rotate relatively" includes that the first leg clip 200 is rotatably connected with the central shaft 100, the second leg clip 300 is fixed with the central shaft 100, and the first leg clip 200 rotates relatively to the second leg clip 300; or the first clamping leg 200 is fixed with the central shaft 100, the second clamping leg 300 is rotatably connected with the central shaft 100, and the second clamping leg 300 rotates relative to the first clamping leg 200; or the first clamping leg 200 and the second clamping leg 300 are both rotatably connected with the central shaft 100, and the first clamping leg 200 and the second clamping leg 300 can both rotate relatively.
In the process of relative rotation of the first leg clip 200 and the second leg clip 300, the first leg clip 200 and the second leg clip 300 approach or separate from each other, and the first clamping portion 232 and the second clamping portion 331 approach or separate from each other simultaneously. A clamping space 400 is formed between the first clamping part 232 and the second clamping part 331, and in the process that the first clamping part 232 and the second clamping part 331 approach each other, the clamping space 400 is reduced, so that bones positioned in the clamping space 400 can be clamped; in the process that the second clamping portion 331 and the second clamping portion 331 are separated from each other, the clamping space 400 is enlarged, and a bone can be placed into the clamping space 400.
In the operation process, the first clamping portion 232 and the second clamping portion 331 pierce the tissue to form an encircling posture on the bone, and the first attaching portion 233 is used for attaching to the surface of the bone after the first clamping portion 232 pierces the tissue, so that slipping of the bone after the second clamping portion 331 pierces the tissue is prevented in the process of abutting the bone.
Referring to fig. 1, in the present embodiment, the tip of the second clamping portion 331 extends along the direction from the center of the clamping space 400 to the middle of the first attaching portion 233 for supporting the bone. Specifically, the tip of the second clamping portion 331 is directed to the middle of the first attaching portion 233. The second clamping portion 331 abuts against the bone, and presses the bone against the first attaching portion 233, so that the bone is not easy to slip.
Referring to fig. 7, in this embodiment, a second attaching portion 332 is disposed on a side surface of the second clamping portion 331, and the second attaching portion 332 corresponds to the first attaching portion 233; the second fitting portion 332 is used for fitting and contacting with the bone, and the second fitting portion 332 and the first fitting portion 233 are used for clamping and fixing the bone to the clamping space 400 together.
After the first clamping portion 232 and the second clamping portion 331 penetrate tissues, the first attaching portion 233 and the second attaching portion 332 are attached to the surface of the bone, the first attaching portion 233 and the second attaching portion 332 clamp the bone in an encircling manner under the clamping action of the first clamping leg 200 and the second clamping leg 300, the contact area with the bone is large, and slipping is not prone to occur.
Referring to fig. 1 and 7, in the present embodiment, the first attaching portion 233 and the second attaching portion 332 are both curved surfaces at least partially attached to the bone surface. The first fitting portion 233 and the second fitting portion 332 are at least partially fitted to the bone, including partially fitted or wholly fitted. Specifically, the first clamping portion 232 is a tip portion formed at the bottom end of the first leg 200 and capable of piercing a tissue, and the side surface of the tip portion is cut in the top-down direction to form the first engaging portion 233 having an arc shape. The second attaching portion 332 has the same structure as the first attaching portion 233, and is not described again.
Referring to fig. 2 and fig. 8, in the present embodiment, the first clamping leg 200 includes a first fixing portion 210, a first connecting portion 220 and a first clamping leg portion 230 connected in sequence, and a first clamping portion 232 is formed at an end of the first clamping leg portion 230 away from the first connecting portion 220; the second clamping leg 300 comprises a second connecting part 310, a second fixing part 320 and a second clamping leg part 330 which are connected in sequence, wherein a second clamping part 331 is formed at one end of the second clamping leg part 330 far away from the second fixing part 320; the first connection portion 220 and the second connection portion 310 are connected by a central shaft 100; the bone clamp structure 10 further includes a first fastening member 500, the first fastening member 500 is used for connecting and fixing with the first fixing portion 210 and abutting against the second fixing portion 320, so that the first clamping leg 200 and the second clamping leg 300 clamp the bone.
Specifically, the first fixing portion 210, the first connecting portion 220 and the first leg portion 230 are integrally formed. The second connecting portion 310, the second fixing portion 320 and the second leg portion 330 are integrally formed.
Specifically, the first fixing part 210 is provided with a first fastening hole 510; the first fastening member 500 is used for abutting against the second fixing portion 320 under the condition of being fixed with the first fastening hole 510, so that the first clamping leg 200 and the second clamping leg 300 have the moving tendency of being close to each other for clamping. Further, the first fastening member 500 is a first bolt, the first fastening hole 510 is a first screw hole, and the first bolt is used for gradually approaching the second fixing portion 320 in the process of relatively rotating with respect to the first screw hole until the second fixing portion 320 is abutted, so that the first clamping leg 200 and the second clamping leg 300 approach each other until the first clamping portion 232 and the second clamping portion 331 clamp and fix the bone in the clamping space 400, and the rotation of the first bolt is stopped. Referring to the relative positions in fig. 1, the first and second legs 200 and 300 extend in the vertical direction, and the first fastening hole 510 is vertically disposed.
With reference to fig. 3 and 8, in the present embodiment, the first connecting portion 220 is provided with a first connecting hole 221 and a fixing hole 226 communicating with the first connecting hole 221, the second connecting portion 310 is provided with a second connecting hole 311, and the central shaft 100 is simultaneously inserted through the first connecting hole 221 and the second connecting hole 311; the central shaft 100 is provided with a through hole 110, and the through hole 110 is used for installing the connecting rod 900; the linkage 900 is used to simultaneously connect at least two bone clip structures 10; the bone clamp structure 10 further comprises a third fastening member 225, wherein the third fastening member 225 is used for connecting with the fixing hole 226 and for abutting and fixing the connecting rod 900 penetrating through the through hole 110 through the fixing hole 226.
Specifically, the first connecting portion 220 is provided with a first connecting hole 221, the second connecting portion 310 is provided with a second connecting hole 311, and the central shaft 100 penetrates through the first connecting hole 221 and the second connecting hole 311; the central shaft 100 is provided with a through hole 110, and the through hole 110 is used for installing the connecting rod 900; the linkage 900 is used to simultaneously connect at least two bone clip structures 10. Further, the first connection portion 220 is provided with a groove 222 communicated with the first connection hole 221, the second connection portion 310 is accommodated in the groove 222, and the second connection hole 311 corresponds to the first connection hole 221, and the central shaft 100 simultaneously penetrates through the first connection hole 221 and the second connection hole 311 accommodated in the groove 222.
In actual operation, at least two bone clamp structures 10 are connected and fixed together by the connecting rod 900, and simultaneously, the bone is clamped and fixed. Specifically, the connecting rod 900 is inserted into the through hole 110 of the bone clamp structure 10 to connect and fix at least two bone clamp structures 10.
Referring to fig. 1 and 2, in combination with fig. 8, specifically, the fixing hole 226 is disposed along a direction parallel to a radial direction of the first connection hole 221, the third fastening member 225 is screwed with the fixing hole 226, and the third fastening member 225 is configured to gradually approach the connection rod 900 during rotation relative to the fixing hole 226 until the connection rod 900 is held and fixed. Specifically, the third fastening member 225 is a fixing bolt, and the fixing hole 226 is a fixing screw hole, which is screwed with the fixing bolt.
Referring to fig. 1 and 2, in combination with fig. 8, in the present embodiment, the first connection hole 221 includes a first section of hole and a second section of hole that are communicated with each other; the second connecting portion 310 is disposed in the first section of hole, and the central shaft 100 simultaneously penetrates through the first section of hole and the second connecting hole 311 to connect the first clamping leg 200 and the second clamping leg 300; the through hole 110 and the second section of hole jointly penetrate through a connecting rod; the second section of holes are communicated with the fixing holes 226; the third fastener 225 is used to pass through the fixing hole 226 to hold and fix the connecting rod 900 received in the second section hole.
Specifically, the central shaft 100 is installed in the first-stage hole, the central shaft 100 is only installed in the first-stage hole, and the central shaft 100 is not installed in the second-stage hole; the connecting rod 900 is arranged in the central shaft 100 in a penetrating way, and the connecting rod 900 extends from the first section hole to the second section hole; the third fastening member 225 passes through the fixing hole 226 and enters the second section hole without being blocked by the central shaft 100, and the third fastening member 225 can directly abut against the connecting rod 900, so that the abutting fixation of the connecting rod 900 is realized. Specifically, the groove 222 is disposed on the first section of the bore.
In other embodiments, an avoiding hole may be formed in the central shaft 100, the avoiding hole is communicated with the fixing hole 226, and the third fastener 225 passes through the fixing hole 226 and the avoiding hole to fix the connecting rod 900 in an abutting manner.
Referring to fig. 1 and 2, in the present embodiment, the number of the first clamping leg portions 230 is two, and the number of the second clamping leg portions 330 is one; the two second clamping leg portions 330 and the one second clamping leg portion 330 are arranged in a triangular structure to clamp and fix the bone to the clamping space 400 together.
The two first clamping leg portions 230 are arranged at intervals, the two first clamping leg portions 230 are connected to the first connecting portion 220 together, the two first clamping leg portions 230 have the same shape and structure, and first clamping portions 232 are formed at ends, far away from the first connecting portion 220, of the two first clamping leg portions 230 respectively. The first fixing portion 210, the first connecting portion 220 and the two first clamping leg portions 230 are integrally formed. The second leg portion 330 is correspondingly located between the two first leg portions 230, and the two first leg portions 230 and the second leg portion 330 are arranged in a triangular structure, which helps to enhance stability and prevent the first leg 200 and the second leg 300 from being clamped on the bone to deflect.
Referring to fig. 8, in other embodiments, the number of the first clip leg portions 230 is one, the number of the second clip leg portions 330 is one, and one first clip leg portion 230 is disposed opposite to one second clip leg portion 330.
Referring to fig. 4 and 5 in conjunction with fig. 9, in the present embodiment, the first clamping leg portion 230 further includes a mounting portion 600 disposed on the first connecting portion 220; the mounting portion 600 is provided with an internal thread 640, two sides of the internal thread 640 are provided with through U-shaped grooves 610, the U-shaped grooves 610 are used for clamping a connecting rod, and the connecting rod 900 is used for simultaneously connecting at least two bone clamp structures 10; the bone clip structure 10 further includes a plug screw 630; the screw plug 630 is used for being in threaded connection with the U-shaped groove 610; the connecting rod 900 is inserted into the U-shaped groove 610 and then pressed and fixed by the screw plug 630.
Specifically, the top of the U-shaped groove 610 is open. The vertical section of the U-shaped groove 610 is in a U-shaped structure. When the connecting rod 900 is actually installed, the connecting rod 900 is clamped into the U-shaped groove 610, then the screw plug 630 is installed into the U-shaped groove 610 from the top of the U-shaped groove 610, the connecting rod 900 is abutted until the connecting rod 900 is pressed and fixed, and the screw plug 630 is fixedly connected with the U-shaped groove 610 through a screw thread. The bone clamp structure 10 may be adapted to clamp and secure bent or curved bones due to the compression fixation of the connecting rod 900. For example, referring to fig. 9, a connecting rod 900 having the same shape as a bone is used, and the connecting rod 900 is simultaneously inserted into at least two U-shaped grooves 610 of the bone clamp structure 10 and fixed in the U-shaped grooves 610 by screws 630, respectively, while the connecting rod 900 is parallel to the bent or curved bone. That is, the approximately linear bones are connected by the linear connecting rod 900, the bent or curved bones are connected by the bent or curved connecting rod 900, and the fixing manner of the screw plug 630 and the mounting part 600 is suitable for fixing the bent or curved connecting rod 900, so as to prevent the connecting rod 900 from turning over and improve the stability of the fixation of the bone clamp structure 10.
As mentioned above, the through hole 110 and the U-shaped groove 610 mentioned above can be used to install the connecting rod 900, and the specific manner can be selected according to specific situations.
Referring to fig. 4 and 5, in the present embodiment, the first connecting portion 220 is provided with a first through hole 224; the first through hole 224 is used for detachably connecting with one end of the connecting rod 900; the linkage 900 is used to connect at least two bone clip structures 10. The first clip leg 230 is further provided with a first through hole 224 for installing and fixing the connecting rod 900, and at least two bone clip structures 10 can be connected and fixed together through the connecting rod 900 fixed in the first through hole 224. Specifically, the first through hole 224 is a threaded hole. In other embodiments, the first through hole 224 can also be disposed on the first clip leg 230.
Referring to fig. 4 and 5, in the present embodiment, the second fixing portion 320 is provided with a second through hole 321; the first through hole 224 is also used for matching with one arm of the clamping forceps, and the second through hole 321 is used for matching with the other arm of the clamping forceps. The clamping forceps has two support arms, which are inserted into the first through hole 224 and the second through hole 321, respectively, and during the operation, the clamping forceps can be used to clamp the first clamping leg portion 230 and the second clamping leg portion 330. When the number of the first clamping leg portions 230 is two, the first through holes 224 are formed in the two first clamping leg portions 230. In other embodiments, the second through hole 321 can also be disposed on the second clamping leg portion 330.
Referring to fig. 6, in this embodiment, the bone clamp structure 10 further includes a first k-wire 800; the first k-wire 800 is threadedly coupled to the first connection part 220, and the first k-wire 800 is inserted into the holding space 400 during rotation relative to the first connection part 220 to be inserted into the bone in the holding space 400, so as to fix the bone. After the first leg 200 and the second leg 300 are clamped and fixed to the bone, the first kirschner wire 800 is driven into the bone, so that the fixing strength can be improved.
Referring to fig. 6, in the present embodiment, the number of the first clip leg portions 230 is two, two first clip leg portions 230 are each connected to the first connecting portion 220, and the first kirschner wire 800 is disposed between the two first clip leg portions 230. Specifically, the second leg clip 300 is also correspondingly located between the first leg clip 200 and the second leg clip 300.
The first k-wire 800 is threadedly coupled to the first coupling portion 220, and the first k-wire 800 is adapted to extend into the clamping space 400 during rotation relative to the first coupling portion 220. The threaded connection is adopted, so that the difficulty of driving the first Kirschner wire 800 into a bone is reduced, and the driving depth of the first Kirschner wire 800 is easier to control. Specifically, the first connection portion 220 is provided with a pin screw hole 223, and the first k-wire 800 is screwed with the pin screw hole 223.
Referring to fig. 7, in this embodiment, the bone clamp structure 10 further includes a second k-wire 810; the first fixing part 210 is provided with a mounting hole 700 and a second fastening hole 710 communicating with the mounting hole 700; the mounting hole 700 is used for penetrating the second kirschner wire 810;
the bone clamp structure 10 further includes a second fastening member 720, wherein the second fastening member 720 is used for connecting and fixing with the second fastening hole 710, and for holding and fixing a second k-wire 810 penetrating into the mounting hole 700.
Specifically, the second fastening hole 710 is a second screw hole, the second fastening member 720 is a second bolt, and the second bolt is in threaded connection with the second screw hole. The second bolt approaches or departs from the second k-wire 810 inserted into the mounting hole 700 during rotation relative to the second screw hole. When the second bolt abuts against the second k-wire 810, the rotation of the second bolt is stopped.
Specifically, with reference to the relative position shown in fig. 7, the mounting hole 700 is vertically disposed to facilitate insertion of the second k-wire 810 into bone, and the second fastening hole 710 is laterally disposed.
In the above, the kirschner wire is fixed to the first clamping leg 200, and the specific fixing manner may be a threaded connection manner, or a manner in which the second fastening member 720 and the second fastening hole 710 are abutted and fixed.
Referring to fig. 7, in this embodiment, the second k-wire 810 is located on the same side of the first and second clip leg portions 230 and 330, and the second k-wire 810, the first clip leg portion 230 and the second clip leg portion 330 are distributed in a triangular configuration.
When the number of the first clip leg portions 230 and the number of the second clip leg portions 330 are both one, the second kirschner wire 810 is located on the same side of the first clip leg portion 230 as the second clip leg portion 330, and the first clip leg portion 230, the second clip leg portion 330 and the second kirschner wire 810 are distributed in a triangular structure. The stability of clamping and fixing is improved.
According to the present embodiment, there is provided a bone clamp structure 10, wherein the operation of the bone clamp structure 10 comprises:
referring to fig. 1 to 7, during an operation, the bone clamp structure 10 is placed outside a bone to be fixed, a clamping forceps is used to clamp the first clamping leg 230 and the second clamping leg 330, the first clamping leg 200 and the second clamping leg 300 are driven to rotate relatively, the first clamping portion 232 and the second clamping portion 331 are opened, so that the bone is placed in the clamping space 400, then the clamping forceps is operated to drive the first clamping leg 200 and the second clamping leg 300 to rotate reversely, the first clamping portion 232 and the second clamping portion 331 penetrate through skin to enter a body, and the bone is surrounded, wherein the first attaching portion 233 is attached to the surface of the bone, then the first fastener 500 is operated to enable the second clamping portion 331 to abut against the bone, and the first fastener 500 is stopped to be operated until the second clamping portion 331 reaches a required operation position, so that the bone is clamped and fixed.
The present embodiment provides a bone clamp structure 10 with at least the following advantages:
in the operation process, the first attaching portion 233 is attached to and contacts with the bone, and the second clamping portion 331 is used for supporting the bone and is not easy to slip in the supporting process.
Referring to fig. 8, 9, 10, and 11, embodiments of the present invention also provide a bone clip system. The bone clamp subsystem comprises a linkage rod 900 and at least two of the above-described bone clamp structures 10; the linkage 900 is simultaneously connected to at least two bone clip structures 10 to secure the at least two bone clip structures 10 together. The problem of difficult manipulation during the process of holding the bone by the bone clamp structure 10 can be improved.
According to one embodiment, there is provided a bone clamp system, the operation of the bone clamp system comprising:
referring to fig. 8 to 11, the above-described operation process of the bone clip structure 10 is repeated, the bone clip structure 10 is clamped at other fractured bones, and then the plurality of bone clip structures 10 are connected and fixed together using the connecting rods 900. A connecting rod 900 may be used at the through hole 110, or a connecting rod 900 may be used at the first through hole 224, or a connecting rod 900 may be used at the U-shaped groove 610, and the specific use may be selected according to the bone clamp structure 10 and the requirements of bone clamping. The connecting rod 900 is used for clamping at least two bone clamp structures 10 at different broken bones, so that the problems of relative displacement and dislocation in the bone growth and healing process can be avoided.
Referring to fig. 8, 10 and 11, the connecting rod 900 is fixed by a third fastener 225 passing through the fixing hole 226 to hold and fix the connecting rod 900.
Referring to fig. 8 to 11, the connecting rod 900 connects at least two bone clamp structures 10, and the two bone clamp structures 10 may be arranged side by side or may be arranged in a central symmetrical structure. The bone clip structure 10 may have all of the structural features described above, as long as they do not conflict with one another.
The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention are included in the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (11)
1. A bone clip structure, comprising:
a central shaft (100), a first clamping leg (200) and a second clamping leg (300);
the first clamping leg (200) and the second clamping leg (300) are connected to the central shaft (100), and the first clamping leg (200) and the second clamping leg (300) can rotate relatively;
the first clamping leg (200) is provided with a first clamping part (232), the second clamping leg (300) is provided with a second clamping part (331), and the first clamping part (232) and the second clamping part (331) are used for approaching to or departing from each other in the relative rotation process of the first clamping leg (200) and the second clamping leg (300) so as to form an adjustable clamping space (400) for clamping bones; the side of first clamping part (232) is provided with first laminating portion (233), first laminating portion (233) be used for with the bone laminating contact, just first laminating portion (233) be used for with second clamping part (331) will jointly the bone centre gripping is fixed in centre gripping space (400).
2. The bone clip structure of claim 1, wherein:
the tip of the second clamping part (331) extends along the direction from the center of the clamping space (400) to the middle of the first attaching part (233) so as to support the bone.
3. The bone clip structure of claim 1, wherein:
a second attaching portion (332) is arranged on the side surface of the second clamping portion (331), and the second attaching portion (332) corresponds to the first attaching portion (233) in position; the second attaching portion (332) is used for being in attaching contact with the bone, and the second attaching portion (332) and the first attaching portion (233) are used for clamping and fixing the bone to the clamping space (400) together.
4. A bone clip structure according to any one of claims 1 to 3, wherein:
the first clamping leg (200) comprises a first fixing part (210), a first connecting part (220) and a first clamping leg part (230) which are sequentially connected, and one end, far away from the first connecting part (220), of the first clamping leg part (230) forms a first clamping part (232); the second clamping leg (300) comprises a second connecting part (310), a second fixing part (320) and a second clamping leg part (330) which are sequentially connected, and one end, far away from the second fixing part (320), of the second clamping leg part (330) forms a second clamping part (331);
the first connecting part (220) and the second connecting part (310) are connected through the central shaft (100); the bone clamp structure further comprises a first fastening piece (500), wherein the first fastening piece (500) is used for being connected and fixed with the first fixing part (210) and abutting against the second fixing part (320) so that the first clamping leg (200) and the second clamping leg (300) clamp the bone.
5. The bone clip structure of claim 4, wherein:
the number of the first clip leg portions (230) is two, and the number of the second clip leg portions (330) is one; the two first clamping leg parts (230) and the second clamping leg part (330) are distributed in a triangular structure so as to clamp and fix the bone to the clamping space (400) together.
6. The bone clip structure of claim 4, wherein:
the first connecting part (220) is provided with a first connecting hole (221) and a fixing hole (226) communicated with the first connecting hole (221), the second connecting part (310) is provided with a second connecting hole (311), and the central shaft (100) is simultaneously arranged in the first connecting hole (221) and the second connecting hole (311) in a penetrating manner;
the central shaft (100) is provided with a through hole (110), and the through hole (110) is used for installing a connecting rod (900); the connecting rod (900) is used for simultaneously connecting at least two bone clamp structures;
the bone clip structure further comprises a third fastening piece (225), wherein the third fastening piece (225) is used for being connected with the fixing hole (226) and used for penetrating through the fixing hole (226) to abut against and fix the connecting rod (900) penetrating through the through hole (110).
7. The bone clip structure of claim 6, wherein:
the first connecting hole (221) comprises a first section of hole and a second section of hole which are communicated with each other; the second connecting part (310) is arranged in the first section of hole, and the central shaft (100) simultaneously penetrates through the first section of hole and the second connecting hole (311) so as to connect the first clamping leg (200) with the second clamping leg (300);
the connecting rod is arranged in the through hole (110) and the second section of hole in a penetrating mode; the second section of hole is communicated with the fixing hole (226); the third fastener (225) is used for penetrating through the fixing hole (226) to support and fix the connecting rod (900) accommodated in the second section hole.
8. The bone clip structure of claim 4, wherein:
the first clamping leg portion (230) further comprises a mounting portion (600) arranged on the first connecting portion (220); the bone clamp is characterized in that the mounting part (600) is provided with an internal thread (640), two sides of the internal thread (640) are provided with through U-shaped grooves (610), the U-shaped grooves (610) are used for clamping connecting rods in, and the connecting rods (900) are used for connecting at least two bone clamp structures at the same time;
the bone clip structure further comprises a plug screw (630); the screw plug (630) is used for being in threaded connection with the U-shaped groove (610); and after the connecting rod (900) is inserted into the U-shaped groove (610), the connecting rod is pressed and fixed by the screw plug (630).
9. The bone clip structure of claim 4, wherein:
the number of the first clamping leg parts (230) is two, and the two first clamping leg parts (230) are connected with the first connecting part (220);
the bone clip structure further comprises a first k-wire (800); the first Kirschner wire (800) is arranged between the two first clamping leg parts (230), the first Kirschner wire (800) is in threaded connection with the first connecting part (220), and the first Kirschner wire (800) is used for extending into the clamping space (400) in the process of rotating relative to the first connecting part (220) so as to be inserted into the bone in the clamping space (400) to fix the bone.
10. The bone clip structure of claim 4, wherein:
the bone clip structure further comprises a second k-wire (810); the second k-wire (810) is located on the same side of the first clip leg portion (230) as the second clip leg portion (330), and the second k-wire (810), the first clip leg portion (230), and the second clip leg portion (330) are distributed in a triangular configuration;
the first fixing part (210) is provided with a mounting hole (700) and a second fastening hole (710) communicated with the mounting hole (700); the mounting hole (700) is used for penetrating the second Kirschner wire (810);
the bone clamp structure further comprises a second fastening piece (720), wherein the second fastening piece (720) is used for being connected and fixed with the second fastening hole (710) and abutting and fixing a second Kirschner wire (810) penetrating into the mounting hole (700).
11. A bone clip system, comprising:
the bone clamp subsystem comprising a linkage rod (900) and at least two bone clamp structures of any one of claims 1-10; the connecting rod (900) is simultaneously connected with at least two bone clamp structures so as to fix the at least two bone clamp structures into a whole.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210730246.9A CN115153804A (en) | 2022-06-24 | 2022-06-24 | Bone clamp structure and bone clamp system |
| PCT/CN2023/092764 WO2023246344A1 (en) | 2022-06-24 | 2023-05-08 | Bone clamp structure and bone clamp system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210730246.9A CN115153804A (en) | 2022-06-24 | 2022-06-24 | Bone clamp structure and bone clamp system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115153804A true CN115153804A (en) | 2022-10-11 |
Family
ID=83486725
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210730246.9A Pending CN115153804A (en) | 2022-06-24 | 2022-06-24 | Bone clamp structure and bone clamp system |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN115153804A (en) |
| WO (1) | WO2023246344A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023246344A1 (en) * | 2022-06-24 | 2023-12-28 | 上海焰医数字医疗科技有限公司 | Bone clamp structure and bone clamp system |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19520464C1 (en) * | 1995-06-03 | 1997-02-27 | Univ Schiller Jena | Spike-type external fixator for broken bones |
| DE602005012836D1 (en) * | 2005-10-25 | 2009-04-02 | Brainlab Ag | Non-penetrating fastening device |
| US20090062869A1 (en) * | 2007-08-28 | 2009-03-05 | Perception Raisonnement Action En Medecine | Minimally invasive bone fixation clamp for navigated surgeries |
| US20180168707A1 (en) * | 2016-12-20 | 2018-06-21 | Mohammad Javad Shariati | Bone reduction and internal fixation apparatus and method for using same |
| WO2019074722A2 (en) * | 2017-10-10 | 2019-04-18 | Miki Roberto Augusto | Universal orthopedic clamp |
| DE102020122829B4 (en) * | 2020-09-01 | 2022-07-14 | Morina Gazmend | Surgical forceps for holding two bone parts |
| WO2022076647A1 (en) * | 2020-10-08 | 2022-04-14 | Acumed Llc | Devices and systems for nail-based bone fixation |
| CN112914700A (en) * | 2021-03-31 | 2021-06-08 | 上海黑焰医疗科技有限公司 | External fixation clamp for fracture and system thereof |
| CN115153804A (en) * | 2022-06-24 | 2022-10-11 | 上海黑焰医疗科技有限公司 | Bone clamp structure and bone clamp system |
-
2022
- 2022-06-24 CN CN202210730246.9A patent/CN115153804A/en active Pending
-
2023
- 2023-05-08 WO PCT/CN2023/092764 patent/WO2023246344A1/en unknown
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023246344A1 (en) * | 2022-06-24 | 2023-12-28 | 上海焰医数字医疗科技有限公司 | Bone clamp structure and bone clamp system |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2023246344A1 (en) | 2023-12-28 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| EP2265201B1 (en) | Spinal fixation system | |
| TWI362252B (en) | ||
| AU588107B2 (en) | Surgical fixation pin tension adjuster | |
| US11389221B2 (en) | Lapidus screw guide assembly and method of insertion | |
| US20070123916A1 (en) | Non-penetrating fixing device | |
| US20050277939A1 (en) | Surgical device for capturing, positioning and aligning portions of a horizontally severed human sternum | |
| US8343152B2 (en) | Fixed angle dual prong pin fixation system | |
| WO2010033663A2 (en) | Spinous process based laminoplasty | |
| WO2005065397A2 (en) | Bone anchor assemblies | |
| CN115153804A (en) | Bone clamp structure and bone clamp system | |
| JP2019141600A (en) | Percutaneous transverse connector system | |
| CN201085679Y (en) | Fastening type vertebral column nail and stick fixing nail | |
| CN210077833U (en) | Acromioclavicular joint positioning repositor | |
| US7264626B2 (en) | Blood vessel knife | |
| EP3733100A1 (en) | Spinal fixation system | |
| CN210301178U (en) | External fixing support device for fracture | |
| CN2482388Y (en) | Internal bone external fixer | |
| CN201197740Y (en) | Atlantoaxial hook nail fixator | |
| CN219109691U (en) | Nail positioning assembly for limb fracture | |
| CN209107940U (en) | A kind of small notch openheart surgery device | |
| CN216495585U (en) | Anatomical sternoclavicular joint bone fracture plate and sternoclavicular joint internal fixation system | |
| CN217244727U (en) | Improved bone traction bow | |
| CN201197741Y (en) | Bifurcate atlantoaxial hook nail fixator | |
| CN220069833U (en) | Auxiliary supporting locking nail for tension locking nail for fracture of femoral neck and sighting device thereof | |
| CN210019583U (en) | Annular fixer for orthopedics department |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| TA01 | Transfer of patent application right | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20221110 Address after: No. 1628, Suzhao Road, Minhang District, Shanghai 200100 Applicant after: Shanghai Yanyi Digital Medical Technology Co.,Ltd. Applicant after: SHANGHAI HEIYAN MEDICAL TECHNOLOGY CO.,LTD. Address before: 200131 309, No.2, Lane 166, Tianxiong Road, Pudong New Area, China (Shanghai) pilot Free Trade Zone, Shanghai Applicant before: SHANGHAI HEIYAN MEDICAL TECHNOLOGY CO.,LTD. |