CN111671509A - Intra-articular fracture minimally invasive surgery sighting device with resetting function - Google Patents
Intra-articular fracture minimally invasive surgery sighting device with resetting function Download PDFInfo
- Publication number
- CN111671509A CN111671509A CN202010311529.0A CN202010311529A CN111671509A CN 111671509 A CN111671509 A CN 111671509A CN 202010311529 A CN202010311529 A CN 202010311529A CN 111671509 A CN111671509 A CN 111671509A
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- Prior art keywords
- sleeve
- sighting
- parallel
- hole
- block
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- 208000002658 Intra-Articular Fractures Diseases 0.000 title claims abstract description 25
- 238000002324 minimally invasive surgery Methods 0.000 title claims abstract description 16
- 230000000149 penetrating effect Effects 0.000 claims abstract description 5
- 239000013013 elastic material Substances 0.000 claims description 3
- 208000010392 Bone Fractures Diseases 0.000 abstract description 38
- 206010017076 Fracture Diseases 0.000 description 37
- 210000000988 bone and bone Anatomy 0.000 description 18
- 238000000034 method Methods 0.000 description 6
- 238000006073 displacement reaction Methods 0.000 description 4
- 208000027418 Wounds and injury Diseases 0.000 description 3
- 230000006378 damage Effects 0.000 description 3
- 210000000689 upper leg Anatomy 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 208000014674 injury Diseases 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 208000024779 Comminuted Fractures Diseases 0.000 description 1
- 238000007792 addition Methods 0.000 description 1
- 210000001188 articular cartilage Anatomy 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 210000002758 humerus Anatomy 0.000 description 1
- 230000009545 invasion Effects 0.000 description 1
- 210000000281 joint capsule Anatomy 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000001356 surgical procedure Methods 0.000 description 1
- 210000004233 talus Anatomy 0.000 description 1
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
-
- 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
- A61B17/90—Guides therefor
Abstract
The invention belongs to the technical field of medical instruments, and particularly relates to an intra-articular fracture minimally invasive surgery sighting device with a resetting function. The parallel sighting block is provided with at least two first sighting holes penetrating through the upper surface and the lower surface of the parallel sighting block, the axial lead of each first sighting hole is parallel to each other, the sleeve penetrates through the first sighting hole, the outer surface of the sleeve is connected with the parallel sighting block, the axial lead of the through hole is coincident with the axial lead of the first sighting hole, and the sleeve and the first sighting hole are arranged in a one-to-one correspondence mode. The sleeve can be aligned and positioned by using the parallel alignment block, so that the kirschner wires driven by the sleeve are parallel to each other, a larger resultant force can be formed, and the fracture point can be fixed more firmly and reliably.
Description
Technical Field
The invention belongs to the technical field of medical instruments, and particularly relates to an intra-articular fracture minimally invasive surgery sighting device with a resetting function.
Background
Intra-articular fracture refers to a fracture within the joint capsule. For example, Hoffa fracture of condyle of femur, fracture of talus, fracture of greater tuberosity of humerus and the like can be treated with minimal invasion under an arthroscope, articular cartilage is easy to be damaged in reduction, when a Kirschner wire is driven into a displacement fracture block, the Kirschner wire has poor holding force and is easy to pull out during reduction due to the fact that the displacement bone block is thin, the Kirschner wire used as a guide wire is thin and easy to bend during reduction, and the Kirschner wire cannot be used immediately after fracture reduction to fix the displacement bone block on a main bone block. In addition, it is preferable that the fixation of such fracture is performed by parallel fixation of two to three cannulated screws to achieve uniform compression.
For convenience of explanation, Hoffa fracture, which is the fracture of the coronal plane of the femoral condyle, accounts for about 8.7% -13% of the fracture of the distal femur. It can occur alone, but is often accompanied by severe comminuted fractures of the distal femur. The internal fixation mode adopted by the existing fracture is as follows: the method comprises the steps of fixing a kirschner wire, a screw, a lateral support steel plate, a front screw and a rear anti-sliding steel plate by using a rear screw, wherein the rear screw and the front screw are schematic diagrams of Hoffa fracture IIa, IIb and IIc shown in figure 1, particularly Hoffa fracture IIb and IIc, the fracture section is small, and in order to prevent further bone fracture, the fixing method is generally implemented by using a plurality of thin kirschner wires or screws.
For example, the chinese utility model patent discloses a fixed ke shi needle locator of fracture wicresoft [ application number: 201420782076.X ], the utility model comprises a vertical fixing rod, a horizontal positioning plate, an arc arm, a Kirschner wire positioning rod and a Kirschner wire feeding rod, the lower end of the vertical fixing rod is vertically connected on a fracture restorer bracket or an operating bed, the rear end of the horizontal positioning plate is connected at the upper end of the vertical fixing rod, the horizontal positioning plate is provided with an arc horizontal slot hole which penetrates through the horizontal positioning plate, the arc arm is a bent rectangular arc plate which is horizontally placed, the arc arm is penetrated in the arc horizontal slot hole of the horizontal positioning plate, the front end of the horizontal positioning plate is provided with a vertical positioning rod hole, the diameter of the Kirschner wire positioning rod is matched with the diameter of the positioning rod hole, the arc arm is provided with a plurality of vertical needle feeding rod holes which are uniformly distributed along the arc axis of the arc arm, the diameter of the Kirschner wire feeding rod is matched with the diameter of the needle feeding rod hole of the arc arm, a plurality of positioning holes, a plurality of needle inserting holes in the horizontal direction are arranged on the Kirschner wire needle inserting rod from top to bottom, the horizontal positioning plate, the arc-shaped arm and the Kirschner wire positioning rod are fastened by screws respectively, and the arc-shaped arm and the Kirschner wire needle inserting rod are fastened by screws.
The utility model discloses a have the advantage that has less surface of a wound at the fixed in-process of fracture, nevertheless its structure is too complicated, and it is not convenient enough to use the operation, still does not solve above-mentioned problem moreover.
Disclosure of Invention
The invention aims to solve the problems and provides an aiming device for minimally invasive surgery of fracture in joints with a resetting function.
In order to achieve the purpose, the invention adopts the following technical scheme:
the utility model provides an articular fracture minimal access surgery sighting device with reset function, includes the sleeve pipe, the intraduct has the through-hole that can run through kirschner wire, and the piece that supports is connected to sleeve pipe one end, utilizes the sleeve pipe of taking the piece that supports to roughly restore the fracture of displacement earlier, and then the sleeve pipe is beaten the kirschner wire of people, screws the nut on the sleeve pipe, makes kirschner wire, mortgage piece and sleeve pipe become an organic whole, through the external portion of sleeve pipe fracture piece that resets, the position is satisfied after, squeezes into main fracture piece to this kirschner wire. The parallel sighting device comprises a sighting sleeve, a parallel sighting block and a sighting sleeve, wherein the sighting sleeve is arranged in parallel, 1 to 2 guide pins are arranged by taking the Kirschner wire as an axis, the sighting sleeve further comprises the parallel sighting block, at least two first sighting holes penetrating through the upper surface and the lower surface of the parallel sighting block are arranged on the parallel sighting block, the axis of each first sighting hole is parallel to each other, the sleeve penetrates through the first sighting hole, the outer surface of the sleeve is connected with the parallel sighting block, the axis of each through hole is coincident with the axis of each first sighting hole, and the sleeve and the first sighting holes are arranged in a one-to-.
In the minimally invasive surgery sighting device for intra-articular fracture with the resetting function, the parallel sighting blocks are in a runway shape, the first sighting holes are provided with two first sighting holes, the connecting line of the circle centers of the cross sections of the two first sighting holes is parallel to the straight edge of the parallel sighting blocks, and the sleeve is provided with two first sighting holes which penetrate through the sleeve respectively.
In the minimally invasive surgery sighting device for the intra-articular fracture with the resetting function, one end of the sleeve is connected with the pressing piece, the pressing piece is provided with a second sighting hole penetrating through the pressing piece, and the axis of the sleeve is coincided with the axis of the second sighting hole.
In the minimally invasive surgery sighting device for the intra-articular fracture with the resetting function, the pressing sheet is connected with the end part of one sleeve.
In the minimally invasive surgery sighting device for intra-articular fracture with the resetting function, the surface of one side, away from the sleeve, of the pressing piece is arc-shaped, and the surface of one side, away from the sleeve, of the pressing piece is fixedly connected with a cushion layer made of elastic materials.
In the minimally invasive surgery sighting device with the resetting function for intra-articular fracture, the sleeve comprises a first pipe body and a second pipe body which are arranged in parallel, through holes are formed in the first pipe body and the second pipe body, the length of the first pipe body is longer than that of the second pipe body, and the end part of the first pipe body is fixedly connected with a pressing piece.
In the minimally invasive surgery sighting device for the intra-articular fracture with the reduction function, the sighting device comprises: the outer side wall of the first pipe body is provided with an inward-sunken positioning groove, the side face of the parallel aiming block is screwed with a positioning screw, and the end part of the positioning screw can be pressed on the bottom face of the positioning groove by rotating the positioning screw.
In the minimally invasive surgery sighting device for intra-articular fracture with the resetting function, the second pipe body comprises an integrally formed pipe body and a screwed joint with threads on the side surface, and the screwed joint is in threaded connection with the inner wall of the first sighting hole.
In the minimally invasive surgery sighting device for intra-articular fracture with the resetting function, the cross section area of the screw joint is smaller than that of the second pipe body, and the second pipe body can be pressed on the parallel sighting block by rotating the screw joint.
In the minimally invasive surgery sighting device for intra-articular fracture with the resetting function, the sleeve is also connected with at least one fastening block, the fastening screw is in threaded connection with the fastening block, and one end of the fastening screw can extend into the through hole by screwing the fastening screw.
Compared with the prior art, the invention has the advantages that:
1. the sleeve can be aligned and positioned by using the parallel alignment block, so that the kirschner wires driven by the sleeve are parallel to each other, a larger resultant force can be formed, and the fracture point can be fixed more firmly and reliably.
2. The pressing sheet is arranged at the end part of the sleeve, when the Kirschner wire is nailed into the fracture position of a patient, the pressing sheet can be firstly pressed on the surface of the fractured bone to perform primary restoration on the fractured bone, and meanwhile, the contact between the fracture sighting device and the surface of the fractured bone is changed from point contact into surface contact, so that the pressure on the surface of the fractured bone is reduced, and the secondary injury to the patient is prevented.
Drawings
FIG. 1 is a schematic representation of Hoffa fractures type IIa, type IIb and type IIc;
FIG. 2 is a schematic structural view of the present invention;
FIG. 3 is a schematic structural view of a portion of the structure of the present invention;
FIG. 4 is a cross-sectional view of a portion of the structure of the present invention;
in the figure: the device comprises a sleeve 1, a parallel aiming block 2, a first aiming hole 3, a through hole 4, a pressing piece 5, a second aiming hole 6, a fastening block 7, a fastening screw 8, a first pipe body 11, a second pipe body 12, a positioning groove 13, a positioning screw 14, a pipe body 15 and a screw joint 16.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
As shown in figure 2, the minimally invasive surgery sighting device for the intra-articular fracture with the resetting function comprises a sleeve 1, wherein a through hole 4 which can penetrate through a Kirschner wire is formed in the sleeve 1, so that when the sighting device is used, only part of the length of a needle head of the Kirschner wire is exposed out of the sleeve 1, the problem that the Kirschner wire is easy to bend in the nailing process is solved, the sighting device also comprises a parallel sighting block 2, at least two first sighting holes 3 which penetrate through the upper surface and the lower surface of the parallel sighting block 2 are formed in the parallel sighting block 2, the axial line of each first sighting hole 3 is parallel to each other, the sleeve 1 penetrates through the first sighting hole 3, the outer surface of the sleeve is connected with the parallel sighting block 2, the axial line of the through hole 4 is coincident with the axial line of the first sighting hole 3, the axial lines of each sleeve 1 are guaranteed to be parallel to each other, and the nailed screws are guaranteed to be, the sleeves 1 are arranged in one-to-one correspondence with the first aiming holes 3.
When the parallel aiming block type bone fracture fixation device is used, a plurality of sleeves 1 penetrate through the first aiming holes 3 one by one and are connected to the parallel aiming blocks 2, the Kirschner wires for fixing fracture positions are inserted into the through holes 4 in the sleeves 1 and are nailed into the fracture positions, and the outer surfaces of the Kirschner wires are attached to the inner surfaces of the sleeves 1 when the Kirschner wires are inserted into the through holes 4, so that the sleeves 1 can be aimed and positioned by using the parallel aiming blocks 2, thereby ensuring that screws nailed through the sleeves 1 are parallel to each other, forming greater resultant force and fixing fracture points more firmly and reliably.
Preferably, the parallel aiming block 2 is in a runway shape, the first aiming holes 3 are provided with two first aiming holes 3, the connecting line of the circle centers of the cross sections of the two first aiming holes 3 is parallel to the straight edge of the parallel aiming block 2, the sleeve 1 is provided with two first aiming holes 3 which respectively penetrate through the two first aiming holes 3, Hoffa fracture is taken as an example, in most clinical cases, two Kirschner pins can basically fix the type IIb and type IIc Hoffa fractures, so the two first aiming holes 3 are designed to ensure that the parallel aiming block 2 has smaller volume and is convenient to operate.
Referring to fig. 2 and 3, one end of the sleeve 1 is connected with a pressing piece 5, the pressing piece 5 is provided with a second aiming hole 6 penetrating through the pressing piece 5, the axial lead of the sleeve 1 is coincident with the axial lead of the second aiming hole 6, the pressing piece 5 is arranged at the end part of the sleeve 1, when a Kirschner pin is nailed into a fracture position of a patient, the pressing piece 5 can be firstly pressed on the surface of the fractured bone to perform primary restoration on the fractured bone, and meanwhile, the contact between the fracture sighting device and the surface of the fractured bone is changed from point contact to surface contact, so that the pressure on the surface of the fractured bone is reduced, and secondary injury to the patient is prevented.
Preferably, the pressing piece 5 is connected with only one end of the sleeve 1, so as to facilitate the whole assembly process of the fracture sight, specifically, the sleeve 1 comprises a first tube 11 and a second tube 12 which are arranged in parallel, through holes 4 are formed in the first tube 11 and the second tube 12, the length of the first tube 11 is longer than that of the second tube 12, and the end of the first tube 11 is fixedly connected with the pressing piece 5.
As shown in fig. 2, the surface of the pressing piece 5 at the side away from the casing 1 is in a circular arc shape, so that the pressing piece 5 has a better fit with the surface of the fractured bone of the patient, and the contact area is further increased.
Preferably, a cushion layer made of an elastic material is fixedly connected to the surface of the pressing piece 5 away from the side of the cannula 1, which is not shown in the drawing, so that the pressing piece 5 can be in flexible contact with the bone of the patient, and further secondary damage to the patient is prevented.
Referring to fig. 3 and 4, the outer side wall of the first tube 11 has an inwardly recessed positioning groove 13, the side surface of the parallel aiming block 2 is screwed with a positioning screw 14, and the end of the positioning screw 14 is pressed on the bottom surface of the positioning groove 13 by rotating the positioning screw 14, so that the first tube 11 can be positioned and fixed by the mutual matching of the positioning screw 14 and the positioning groove 13.
Referring to fig. 3 and 4, the second tube 12 includes an integrally formed tube 15 and a threaded connector 16 with threads on the side surface, the threaded connector 16 is in threaded connection with the inner wall of the first aiming hole 3, the parallel aiming block 2 and the second tube 12 can be detached through threaded connection, so that the whole fracture aiming device can be assembled conveniently, the cross-sectional area of the threaded connector 16 is smaller than that of the second tube 12, a radially extending positioning boss is arranged between the threaded connector 16 and the second tube 12, the second tube 12 can be pressed on the parallel aiming block 2 by rotating the threaded connector 16, that is, the positioning boss is pressed on the parallel aiming block 2, thereby positioning and fixing the second tube 12.
As shown in fig. 4, the sleeve 1 is further connected with at least one fastening block 7, the fastening screw 8 is in threaded connection with the fastening block 7, one end of the fastening screw 8 can extend into the through hole 4 by screwing the fastening screw 8, after the kirschner wire is inserted into the through hole 4, the fastening screw 8 can be pressed on the surface of the kirschner wire by screwing the fastening screw 8, so that the kirschner wire and the sleeve 1 are fixed together, the problem that the kirschner wire is easy to pull out and bend in the using process is further prevented, the sleeve is used under the condition that the fracture site is shallow, and the problem that the holding force of the kirschner wire is insufficient can be solved.
The working principle of the invention is as follows: when in use, one side of the pressing sheet 5 at the end part of the first pipe body 11, which is provided with a cushion layer, is pressed against the surface of a bone to perform preliminary restoration, then a first kirschner wire is inserted into the first pipe body 11 and is nailed into a fractured bone, the fastening screw 8 is screwed to ensure that the kirschner wire and the first pipe body 11 are relatively fixed, a user applies force to the outer surface of the first pipe body 11 to perform fine adjustment restoration of the fractured bone, then the first kirschner wire is nailed into the fractured bone completely, the parallel aiming block 2 is sleeved on the first pipe body 11 through the first aiming hole 3, then the second pipe body 12 is connected onto the parallel aiming block 2, a second kirschner wire is nailed into the fractured bone through the second pipe body 12 and parallel to the first kirschner wire, after the nailing is completed, the parallel aiming block 2 and the second pipe body 12 are detached to be separated from the first pipe body 11, if the kirschner wire is required to be nailed, the operation of nailing of the second kirschner wire, then a plurality of kirschner wires are nailed in parallel, so the sleeve 1 of the invention can utilize the parallel aiming block 2 to aim and position, thereby ensuring that the screws nailed in through the sleeve 1 are parallel to each other, forming larger resultant force and fixing the fracture point more firmly and reliably.
The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications or additions may be made to the described embodiments or alternatives may be employed by those skilled in the art without departing from the spirit or ambit of the invention as defined in the appended claims.
Although the terms sleeve 1, parallel aiming block 2, first aiming hole 3, through hole 4, pressing piece 5, second aiming hole 6, fastening block 7, fastening screw 8, first tube 11, second tube 12, positioning slot 13, positioning screw 14, tube 15, screw joint 16, etc. are used more herein, the possibility of using other terms is not excluded. These terms are used merely to more conveniently describe and explain the nature of the present invention; they are to be construed as being without limitation to any additional limitations that may be imposed by the spirit of the present invention.
Claims (10)
1. An aiming device for minimally invasive surgery of intra-articular fracture with a resetting function comprises a sleeve (1), wherein a through hole (4) which can penetrate through a Kirschner wire is formed in the sleeve (1), and the aiming device is characterized in that: still including parallel sighting block (2), parallel sighting block (2) is gone up and has at least two first sighting hole (3) of running through parallel sighting block (2) upper and lower surface, and the axial lead of every first sighting hole (3) is parallel to each other, and sleeve pipe (1) runs through first sighting hole (3) and the surface is connected with parallel sighting block (2), the axial lead of through-hole (4) coincides mutually with the axial lead of first sighting hole (3), and sleeve pipe (1) and first sighting hole (3) one-to-one set up.
2. The minimally invasive surgical aimer of intraarticular fractures with reduction capabilities of claim 1, wherein: the parallel aiming block (2) is in a runway shape, the first aiming holes (3) are provided with two first aiming holes (3), the connecting line of the circle centers of the cross sections of the two first aiming holes is parallel to the straight edge of the parallel aiming block (2), and the sleeve (1) is provided with two first aiming holes (3) which penetrate through the sleeve respectively.
3. The minimally invasive surgical aimer of intraarticular fractures with reduction capabilities of claim 1, wherein: one end of the sleeve (1) is connected with a pressing piece (5), a second aiming hole (6) penetrating through the pressing piece (5) is formed in the pressing piece (5), and the axis of the sleeve (1) is coincided with the axis of the second aiming hole (6).
4. The minimally invasive surgical aimer of intraarticular fractures with reduction function of claim 3, characterized in that: the pressing piece (5) is connected with the end part of only one sleeve (1).
5. The minimally invasive surgical aimer of intraarticular fractures with reduction function of claim 3, characterized in that: the surface of one side, far away from the sleeve (1), of the pressing piece (5) is arc-shaped, and a cushion layer made of elastic materials is fixedly connected to the surface of one side, far away from the sleeve (1), of the pressing piece (5).
6. The minimally invasive surgical aimer of intraarticular fractures with reduction function of claim 3, characterized in that: the sleeve (1) comprises a first pipe body (11) and a second pipe body (12) which are arranged in parallel, through holes (4) are formed in the first pipe body (11) and the second pipe body (12), the length of the first pipe body (11) is longer than that of the second pipe body (12), and the end portion of the first pipe body (11) is fixedly connected with a pressing piece (5).
7. The minimally invasive surgical aimer of intraarticular fractures with reduction capabilities of claim 6, wherein: the outer side wall of the first pipe body (11) is provided with an inward-recessed positioning groove (13), the side face of the parallel aiming block (2) is in threaded connection with a positioning screw (14), and the end part of the positioning screw (14) can be pressed on the bottom face of the positioning groove (13) by rotating the positioning screw (14).
8. The minimally invasive surgical aimer of intraarticular fractures with reduction capabilities of claim 6, wherein: the second body (12) includes integrated into one piece's body (15) and side surface threaded connection head (16), threaded connection head (16) and first sighting hole (3) inner wall threaded connection.
9. The minimally invasive surgical aimer of intraarticular fracture with reduction function according to claim 8, characterized in that: the cross-sectional area of the screw joint (16) is smaller than that of the second pipe body (12), and the second pipe body (12) can be pressed on the parallel aiming block (2) by rotating the screw joint (16).
10. The minimally invasive surgical aimer of intraarticular fractures with reduction capabilities of claim 1, wherein: the sleeve (1) is further connected with at least one fastening block (7), a fastening screw (8) is in threaded connection with the fastening block (7), and one end of the fastening screw (8) can extend into the through hole (4) by screwing the fastening screw (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010311529.0A CN111671509B (en) | 2020-04-20 | 2020-04-20 | Intra-articular fracture minimally invasive surgery sighting device with resetting function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010311529.0A CN111671509B (en) | 2020-04-20 | 2020-04-20 | Intra-articular fracture minimally invasive surgery sighting device with resetting function |
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| Publication Number | Publication Date |
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| CN111671509A true CN111671509A (en) | 2020-09-18 |
| CN111671509B CN111671509B (en) | 2022-08-23 |
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| CN202010311529.0A Expired - Fee Related CN111671509B (en) | 2020-04-20 | 2020-04-20 | Intra-articular fracture minimally invasive surgery sighting device with resetting function |
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Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AU2004317395A1 (en) * | 2004-02-20 | 2005-09-29 | Synthes Gmbh | Aiming device for inserting stable-angle, long screws in the articular region of a bone |
| US20060106400A1 (en) * | 2004-09-23 | 2006-05-18 | Alberto Fernandez | Coplanar X-ray guided aiming arm for locking of intramedullary nails |
| CN201239192Y (en) * | 2008-07-10 | 2009-05-20 | 唐延军 | Sighting device for internal fixation of orthopaedics |
| CN202875462U (en) * | 2012-09-11 | 2013-04-17 | 殷德振 | Steel needle punching positioner used for orthopedics |
| CN203001100U (en) * | 2013-01-17 | 2013-06-19 | 陈聪 | Novel orthopedic guider |
| CN208640915U (en) * | 2017-12-13 | 2019-03-26 | 李中万 | A kind of bone surgery orienting locator |
| CN209645047U (en) * | 2018-07-04 | 2019-11-19 | 杨阳 | A kind of Kirschner wire guiding device |
| CN210301188U (en) * | 2019-01-16 | 2020-04-14 | 曹浙标 | Parallel nail-placing positioner |
-
2020
- 2020-04-20 CN CN202010311529.0A patent/CN111671509B/en not_active Expired - Fee Related
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AU2004317395A1 (en) * | 2004-02-20 | 2005-09-29 | Synthes Gmbh | Aiming device for inserting stable-angle, long screws in the articular region of a bone |
| US20060106400A1 (en) * | 2004-09-23 | 2006-05-18 | Alberto Fernandez | Coplanar X-ray guided aiming arm for locking of intramedullary nails |
| CN201239192Y (en) * | 2008-07-10 | 2009-05-20 | 唐延军 | Sighting device for internal fixation of orthopaedics |
| CN202875462U (en) * | 2012-09-11 | 2013-04-17 | 殷德振 | Steel needle punching positioner used for orthopedics |
| CN203001100U (en) * | 2013-01-17 | 2013-06-19 | 陈聪 | Novel orthopedic guider |
| CN208640915U (en) * | 2017-12-13 | 2019-03-26 | 李中万 | A kind of bone surgery orienting locator |
| CN209645047U (en) * | 2018-07-04 | 2019-11-19 | 杨阳 | A kind of Kirschner wire guiding device |
| CN210301188U (en) * | 2019-01-16 | 2020-04-14 | 曹浙标 | Parallel nail-placing positioner |
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| Publication number | Publication date |
|---|---|
| CN111671509B (en) | 2022-08-23 |
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