CN110974390B - Mounting rack for accurately positioning intramedullary nail - Google Patents
Mounting rack for accurately positioning intramedullary nail Download PDFInfo
- Publication number
- CN110974390B CN110974390B CN201911266572.3A CN201911266572A CN110974390B CN 110974390 B CN110974390 B CN 110974390B CN 201911266572 A CN201911266572 A CN 201911266572A CN 110974390 B CN110974390 B CN 110974390B
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- rod
- intramedullary nail
- wall
- disc
- circular
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- 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
-
- 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
- A61B17/92—Impactors or extractors, e.g. for removing intramedullary devices
- A61B17/921—Impactors or extractors, e.g. for removing intramedullary devices for intramedullary 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
- A61B2017/564—Methods for bone or joint treatment
-
- 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
- A61B17/92—Impactors or extractors, e.g. for removing intramedullary devices
- A61B2017/922—Devices for impaction, impact element
- A61B2017/924—Impact element driving means
- A61B2017/925—Impact element driving means a spring
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- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Orthopedic Medicine & Surgery (AREA)
- Surgery (AREA)
- Biomedical Technology (AREA)
- Engineering & Computer Science (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Heart & Thoracic Surgery (AREA)
- Medical Informatics (AREA)
- Molecular Biology (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Surgical Instruments (AREA)
Abstract
The invention discloses an intramedullary nail accurate positioning mounting frame which comprises a cross rod, wherein a disc is fixedly connected to the left end of the cross rod, a circular ring is arranged on the outer wall of the disc in a clearance fit mode through a circular groove, and a clamping assembly is arranged on the inner side of the circular ring. This accurate location mounting bracket of intramedullary nail, through the ring, the disc, the cooperation of horizontal pole and centre gripping subassembly, make the device accessible pulling pull rod drive the ring rotation when using, and then it is fixed with not unidimensional intramedullary nail centre gripping to drive three clamping bar simultaneous rotation, and then enlarge application scope, promote the accurate nature of nailing greatly simultaneously, make the nailing position of intramedullary nail more accurate, promote the operation success rate, through the horizontal pole, the ring, the cooperation of disc and regulation and control subassembly, make the device accessible drum adjust fixedly compared montant outer wall scale when using, and then observe and control fixed back intramedullary nail depth of penetration, avoid the user operation improper lead to the intramedullary nail depth of penetration to differ, and then lead to the secondary injury to avoiding the patient.
Description
Technical Field
The invention relates to the technical field of intramedullary nail accurate positioning mounting frames, in particular to an intramedullary nail accurate positioning mounting frame.
Background
An intramedullary nail belongs to an orthopedic internal fixation instrument in medical instruments, and has a structure comprising an intramedullary nail rod, wherein a near-end locking screw hole is arranged at the near end of the intramedullary nail rod, a pressure reducing plane is arranged on the surface of the intramedullary nail rod, more than one strip-shaped pressure reducing plane is arranged on the surface of the intramedullary nail rod, the pressure reducing plane can extend from the near end of the intramedullary nail rod to the far end of the intramedullary nail rod, and a locking screw rod positioning screw hole and a connecting sleeve positioning groove are arranged at the near.
The accurate location mounting bracket of intramedullary nail among the prior art, can't carry out the centre gripping to the intramedullary nail of unidimensional not fixed, and fixed position differs for application scope is narrow, and it is poor to use practicality and flexibility, makes the nailing position of intramedullary nail accurate inadequately simultaneously, reduces the operation success rate, can't observe and control the intramedullary nail depth of penetration after fixing, easy because of the improper intramedullary nail depth of penetration that leads to of user's operation differs, and then cause the secondary injury to the patient, reduce the safety in utilization, and then inconvenient people use.
Disclosure of Invention
The invention aims to provide an intramedullary nail accurate positioning mounting frame, which solves the problems that the intramedullary nail accurate positioning mounting frame in the prior art cannot clamp and fix intramedullary nails with different sizes, has different fixing positions, has narrow application range and poor use practicability and flexibility, and simultaneously ensures that the nailing position of the intramedullary nail is not accurate enough and the success rate of the operation is reduced.
In order to achieve the purpose, the invention provides the following technical scheme: an intramedullary nail accurate positioning installation frame comprises a cross rod, wherein a disc is fixedly connected to the left end of the cross rod, a circular ring is in clearance fit with the outer wall of the disc through a circular groove, and a clamping assembly is arranged on the inner side of the circular ring;
the clamping assembly comprises a clamping rod, a convex block, a supporting rod, a curved groove, a sliding groove, an inclined rod, a pull rod, a lantern ring, a circular plate, a spring, a circular rod, a clamping plate, a torsion spring and teeth;
the three clamping rods are rotatably connected with the front of the disc, the inner ends of the clamping rods are rotatably connected with a lug through bearings, the outer sides of the clamping rods are provided with supporting rods in a clearance fit mode through sliding grooves, the outer walls of the supporting rods are in clearance fit with the front of the disc through curved grooves, the rear end faces of the supporting rods are fixedly connected with the front of the ring, the right side of the curved grooves is provided with an inclined rod, the left end of the inclined rod is rotatably connected with the top of the ring, the right end of the inclined rod is rotatably connected with a pull rod, the outer walls of the pull rod are respectively in clearance fit with a sleeve ring and a spring, the bottom of the sleeve ring is fixedly connected with the top of a cross rod, the left side of the outer wall of the pull rod is fixedly connected with the disc, the left end and the right end of the spring are respectively fixedly connected with the disc and the sleeve ring, a preset opening on the right side of the pull rod is rotatably connected with a clamping plate through the, the bottom of the clamping plate is clamped with the top of the cross rod through teeth.
Preferably, the right end of the cross rod is sleeved with a rubber sleeve.
Preferably, three of said clamping bars are equally spaced around the disc in a ring.
Preferably, the supporting rod, the curved groove and the sliding groove form a sliding structure.
Preferably, the teeth are embedded in the cross rod.
Preferably, the top right side of pull rod and the top left side of cardboard all process the bead.
Preferably, the bottom of the cross rod is provided with a regulating component;
the regulating and controlling assembly comprises a support plate, a vertical rod, a cylinder, a bolt, a sliding cylinder, a sliding rod and a rubber block;
the top of extension board and the bottom fixed connection of horizontal pole, the front rigid coupling of extension board has the montant, the outer wall of montant has cup jointed the drum, the bottom threaded connection of drum has the bolt, the top of bolt supports tightly with the bottom of montant, the left end rigid coupling of drum has the slide cartridge, the clearance fit in inner wall left side of slide cartridge has the slide bar, the right-hand member rigid coupling of slide bar has the block rubber, the outer wall of block rubber and the inner wall interference fit of slide cartridge.
Preferably, the outer wall of the bolt is processed with abrasive grains.
Preferably, scales are machined on the right side of the outer wall of the vertical rod.
Preferably, the vertical rod is matched with the shape of the cylinder.
Compared with the prior art, the invention has the beneficial effects that: this accurate location mounting bracket of intramedullary nail structure scientific and reasonable, convenience safe in utilization:
through the cooperation of ring, disc, horizontal pole and centre gripping subassembly for the device accessible pulling pull rod drives the ring rotation when using, and then drives three clamping bar and rotate simultaneously and fix the intramedullary nail centre gripping of unidimensional not, and fixed position all is located the centre of a circle, and then enlarges application scope, promotes greatly and uses practicality and flexibility, promotes simultaneously to follow closely accurate nature, makes the position of following closely of intramedullary nail more accurate, promotes the operation success rate.
Through the cooperation of horizontal pole, ring, disc and regulation and control subassembly for the device accessible drum is adjusted fixedly in contrast montant outer wall scale when using, and then observes and control fixed back intramedullary nail penetration depth, avoids the user to operate improper intramedullary nail penetration depth of leading to and differs, and then avoids causing secondary damage to the patient, promotes the safety in utilization, and then makes things convenient for people to use.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic diagram of the connection relationship in FIG. 1;
FIG. 3 is a schematic diagram of the connection relationship in FIG. 1;
fig. 4 is a schematic diagram of the connection relationship in fig. 1.
In the figure: 1. the device comprises a cross rod, 2, a rubber sleeve, 3, a disc, 4, a circular groove, 5, a circular ring, 6, a clamping component, 601, a clamping rod, 602, a bump, 603, a support rod, 604, a curved groove, 605, a sliding groove, 606, a diagonal rod, 607, a pull rod, 608, a lantern ring, 609, a circular plate, 610, a spring, 611, a circular rod, 612, a clamping plate, 613, a torsion spring, 614, teeth, 7, a regulating component, 701, a support plate, 702, a vertical rod, 703, a cylinder, 704, a bolt, 705, a sliding barrel, 706, a sliding rod, 707 and a rubber pad.
Detailed Description
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 only a part of the embodiments of the present invention, and not all of the embodiments. 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.
Referring to fig. 1-4, the present invention provides a technical solution: the utility model provides an accurate location mounting bracket of intramedullary nail, includes horizontal pole 1, and 1 left end rigid coupling of horizontal pole has disc 3, and the right-hand member of horizontal pole 1 has cup jointed rubber sleeve 2, and rubber sleeve 2 is convenient for the staff and grips, and the outer wall of disc 3 has ring 5 through 4 clearance fit in circular slot, and circular slot 4 is rotatable when making ring 5 atress, and the inboard of ring 5 is equipped with centre gripping subassembly 6.
The clamping assembly 6 comprises clamping rods 601, a convex block 602, a support rod 603, a curved groove 604, a sliding groove 605, an inclined rod 606, a pull rod 607, a lantern ring 608, a circular plate 609, a spring 610, a circular rod 611, a clamping plate 612, a torsion spring 613 and teeth 614, wherein the three clamping rods 601 are all rotatably connected with the front surface of the circular disc 3, the three clamping rods 601 are annularly and equidistantly distributed relative to the circular disc, so that the clamping rods 601 are more stably fixed to the intramedullary nail, the inner ends of the clamping rods 601 are rotatably connected with the convex block 602 through bearings, the friction between the intramedullary nail and the clamping rods 601 is greatly reduced when the intramedullary nail is driven in by the convex block 602, the support rod 603 is in clearance fit with the outer side of the clamping rods 601 through the sliding groove 605, the outer wall of the support rod 603 is in clearance fit with the front surface of the circular disc 3 through the curved groove 604, the support rod 603 forms a sliding structure with the curved groove 604 and the sliding groove 605, the support rod 603 slides, the right side of the curved groove 604 is provided with an inclined rod 606, the left end of the inclined rod 606 is rotatably connected with the top of the circular ring 5, the right end of the inclined rod 606 is rotatably connected with a pull rod 607, the outer wall of the pull rod 607 is respectively in clearance fit with a collar 608 and a spring 610, the collar 608 plays a guiding role for the pull rod 607, the bottom of the collar 608 is fixedly connected with the top of the cross rod 1, the left side of the outer wall of the pull rod 607 is fixedly connected with a circular plate 609, the left end and the right end of the spring 610 are respectively fixedly connected with the circular plate 609 and the collar 608, the spring 610 gives a leftward force to the pull rod 607, a preset opening on the right side of the pull rod 607 is rotatably connected with a catch plate 612 through a circular rod 611, the right side of the top of the pull rod 607 and the left side of the top of the catch plate 612 are both provided with convex ribs which enable the pull rod 607 and the catch plate 612 to be convenient to be shifted, the outer wall of the, the bottom of the clamping plate 612 is clamped with the top of the cross rod 1 through the teeth 614, and the teeth 614 are embedded in the cross rod 1, so that the cross rod 1 is more attractive.
The bottom of the cross bar 1 is provided with a regulating component 7, the regulating component 7 comprises a support plate 701, a vertical rod 702, a cylinder 703, a bolt 704, a sliding cylinder 705, a sliding rod 706 and a rubber block 707, the top of the support plate 701 is fixedly connected with the bottom of the cross bar 1, the front of the support plate 701 is fixedly connected with the vertical rod 702, the right side of the outer wall of the vertical rod 702 is provided with a scale which is convenient for a user to observe the nailing depth of the intramedullary nail, the outer wall of the vertical rod 702 is sleeved with the cylinder 703, the vertical rod 702 is matched with the cylinder 703 in shape, the cylinder 703 can slide up and down when stressed, the bottom of the cylinder 703 is in threaded connection with the bolt 704, the outer wall of the bolt 704 is provided with a wear pattern which is used for increasing the friction of the outer wall of the bolt 704, the top of the bolt 704 is abutted against the bottom of the vertical rod 702, the left end of the cylinder 703 is fixedly connected with the, the rubber block 707 plays a limiting role after the sliding rod 706 slides out, and the outer wall of the rubber block 707 is in interference fit with the inner wall of the sliding barrel 705.
In this embodiment, when the intramedullary nail is used to precisely position the mounting bracket, firstly, the intramedullary nail is placed inside the disc 3, the pull rod 607 is pulled backwards, the pull rod 607 is in clearance fit with the collar 608, so that the pull rod 607 moves rightwards horizontally, the ring 5 rotates under the action of the oblique rod 606, the support rod 603 is in clearance fit with both the curved groove 604 and the sliding groove 605, so that the clamping rod 601 rotates simultaneously, the intramedullary nail is clamped by the protrusion 602, and the intramedullary nail is located at the center of a circle, meanwhile, the clamping plate 612 is connected with the clamping plate 612 through the clamping of the teeth 614 and the action of the torsion spring 613, so that the clamping plate 612 automatically overcomes the torsion spring 613 to turn clockwise when the pull rod 607 moves rightwards, the position of the pull rod 607 is fixed, and the fixation of the intramedullary nails with different sizes is realized, the height of the cylinder 703 can be adjusted according to the length of the intramedullary nail to be inserted through the clearance fit of the, the cylinder 703 is fixed by a bolt 704, and the sliding rod 706 can slide out of the sliding cylinder 705 and be fixed by the clearance fit of the sliding cylinder 705 and the sliding rod 706 and the action of the rubber block 707, so as to point to the direction of the intramedullary nail, thereby avoiding secondary injury to a patient caused by different nailing depths of the intramedullary nail due to uneven force of a user.
In the description of the present invention, it is to be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "other end", "upper", "one side", "top", "inner", "front", "center", "both ends", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.
In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "disposed," "connected," "secured," "screwed" and the like are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; the terms may be directly connected or indirectly connected through an intermediate, and may be communication between two elements or interaction relationship between two elements, unless otherwise specifically limited, and the specific meaning of the terms in the present invention will be understood by those skilled in the art according to specific situations.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (10)
1. The utility model provides an accurate location mounting bracket of intramedullary nail, includes horizontal pole (1), its characterized in that: the left end of the cross rod (1) is fixedly connected with a disc (3), the outer wall of the disc (3) is in clearance fit with a circular ring (5) through a circular groove (4), and the inner side of the circular ring (5) is provided with a clamping assembly (6);
the clamping assembly (6) comprises a clamping rod (601), a convex block (602), a support rod (603), a curved groove (604), a sliding groove (605), an inclined rod (606), a pull rod (607), a sleeve ring (608), a circular plate (609), a spring (610), a circular rod (611), a clamping plate (612), a torsion spring (613) and teeth (614);
the three clamping rods (601) are rotatably connected with the front face of the disc (3), the inner ends of the clamping rods (601) are rotatably connected with a convex block (602) through bearings, the outer sides of the clamping rods (601) are in clearance fit with a supporting rod (603) through sliding grooves (605), the outer wall of the supporting rod (603) is in clearance fit with the front face of the disc (3) through a curved groove (604), the rear end face of the supporting rod (603) is fixedly connected with the front face of the circular ring (5), an inclined rod (606) is arranged on the right side of the curved groove (604), the left end of the inclined rod (606) is rotatably connected with the top of the circular ring (5), the right end of the inclined rod (606) is rotatably connected with a pull rod (607), the outer walls of the pull rod (607) are respectively in clearance fit with a lantern ring (608) and a spring (610), the bottom of the lantern ring (608) is fixedly connected with the top of the cross rod (1), and the outer wall of the left side of the pull rod, the left end and the right end of the spring (610) are fixedly connected with a circular plate (609) and a sleeve ring (608) respectively, an opening preset in the right side of the pull rod (607) is rotatably connected with a clamping plate (612) through a circular rod (611), the outer wall of the circular rod (611) is sleeved with a torsion spring (613), the left side and the right side of the outer wall of the torsion spring (613) are clamped with the clamping plate (612) and the pull rod (607) respectively, and the bottom of the clamping plate (612) is clamped with the top of the cross rod (1) through teeth (614).
2. The intramedullary nail precision positioning mount of claim 1, wherein: the right end of the cross rod (1) is sleeved with a rubber sleeve (2).
3. The intramedullary nail precision positioning mount of claim 1, wherein: three clamping rods (601) are annularly and equidistantly distributed relative to the disc.
4. The intramedullary nail precision positioning mount of claim 1, wherein: the supporting rod (603), the curved groove (604) and the sliding groove (605) form a sliding structure.
5. The intramedullary nail precision positioning mount of claim 1, wherein: the teeth (614) are embedded in the cross rod (1).
6. The intramedullary nail precision positioning mount of claim 1, wherein: the right side of the top of the pull rod (607) and the left side of the top of the clamping plate (612) are both provided with a convex edge.
7. The intramedullary nail precision positioning mount of claim 1, wherein: the bottom of the cross rod (1) is provided with a regulating component (7);
the adjusting and controlling component (7) comprises a support plate (701), a vertical rod (702), a cylinder (703), a bolt (704), a sliding cylinder (705), a sliding rod (706) and a rubber block (707);
the top of extension board (701) and the bottom fixed connection of horizontal pole (1), the front rigid coupling of extension board (701) has montant (702), drum (703) has been cup jointed to the outer wall of montant (702), the bottom threaded connection of drum (703) has bolt (704), the top of bolt (704) supports tightly with the bottom of montant (702), the left end rigid coupling of drum (703) has slide cartridge (705), the inner wall left side clearance fit of slide cartridge (705) has slide bar (706), the right-hand member rigid coupling of slide bar (706) has block rubber (707), the outer wall of block rubber (707) and the inner wall interference fit of slide cartridge (705).
8. The intramedullary nail precision positioning mount of claim 7, wherein: the outer wall of the bolt (704) is machined with grinding grains.
9. The intramedullary nail precision positioning mount of claim 7, wherein: scales are processed on the right side of the outer wall of the vertical rod (702).
10. The intramedullary nail precision positioning mount of claim 7, wherein: the vertical rod (702) is matched with the shape of the cylinder (703).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911266572.3A CN110974390B (en) | 2019-12-11 | 2019-12-11 | Mounting rack for accurately positioning intramedullary nail |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911266572.3A CN110974390B (en) | 2019-12-11 | 2019-12-11 | Mounting rack for accurately positioning intramedullary nail |
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| Publication Number | Publication Date |
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| CN110974390A CN110974390A (en) | 2020-04-10 |
| CN110974390B true CN110974390B (en) | 2020-11-17 |
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| CN201911266572.3A Expired - Fee Related CN110974390B (en) | 2019-12-11 | 2019-12-11 | Mounting rack for accurately positioning intramedullary nail |
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Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108403197A (en) * | 2018-03-30 | 2018-08-17 | 郁传江 | A kind of femoral interlocking nail openings lead device |
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| FR2718011B1 (en) * | 1994-03-29 | 1996-05-24 | Jbs Sa | Counter lock nut lever, in particular for a spinal straightening device. |
| US6511484B2 (en) * | 2001-06-29 | 2003-01-28 | Depuy Acromed, Inc. | Tool and system for aligning and applying fastener to implanted anchor |
| US7651501B2 (en) * | 2004-03-05 | 2010-01-26 | Wright Medical Technology, Inc. | Instrument for use in minimally invasive hip surgery |
| GB0411487D0 (en) * | 2004-05-22 | 2004-06-23 | Depuy Int Ltd | Surgical jig |
| CN2704325Y (en) * | 2004-06-18 | 2005-06-15 | 汤勇智 | Locked intramedullary nail and its positioner |
| US7887548B2 (en) * | 2006-12-05 | 2011-02-15 | Aesculap Implant Systems, Llc | Screw insertion guide tube with window |
| US8303589B2 (en) * | 2008-06-24 | 2012-11-06 | Extremity Medical Llc | Fixation system, an intramedullary fixation assembly and method of use |
| US8702725B2 (en) * | 2011-10-18 | 2014-04-22 | Thompson Surgical Instruments, Inc. | Methods and systems for pedicle access |
| CN203042422U (en) * | 2013-01-31 | 2013-07-10 | 镐英杰 | Vertebral pedicle aiming device and aiming machine thereof |
| CN206007343U (en) * | 2016-06-29 | 2017-03-15 | 中国人民解放军总医院第一附属医院 | A kind of fracture of femoral neck positioning foresight device |
| CN107595377B (en) * | 2017-09-12 | 2020-03-10 | 北京大学第三医院 | Device for adjusting distance between percutaneous pedicle screws |
| CN208876730U (en) * | 2018-03-24 | 2019-05-21 | 谢永琴 | A kind of intramedullary nail diopter |
| CN108771565B (en) * | 2018-07-09 | 2020-12-08 | 高鹏飞 | Screw clamping mechanism for orthopedics department |
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2019
- 2019-12-11 CN CN201911266572.3A patent/CN110974390B/en not_active Expired - Fee Related
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108403197A (en) * | 2018-03-30 | 2018-08-17 | 郁传江 | A kind of femoral interlocking nail openings lead device |
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