CN103961174A - Sliding positioning guide device - Google Patents
Sliding positioning guide device Download PDFInfo
- Publication number
- CN103961174A CN103961174A CN201410226354.8A CN201410226354A CN103961174A CN 103961174 A CN103961174 A CN 103961174A CN 201410226354 A CN201410226354 A CN 201410226354A CN 103961174 A CN103961174 A CN 103961174A
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- CN
- China
- Prior art keywords
- arc
- arm
- positioning
- fixing
- needle
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Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/16—Bone cutting, breaking or removal means other than saws, e.g. Osteoclasts; Drills or chisels for bones; Trepans
- A61B17/17—Guides or aligning means for drills, mills, pins or wires
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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
- A61B17/90—Guides therefor
Abstract
The invention discloses a sliding positioning guide device which comprises an arc-shaped fixing arm including an arc-shaped chute, an arc-shaped sliding arm matched with the arc-shaped chute, a positioning puncture needle matched with a positioning needle and a skeleton fixing part installed in a drill bit sleeve. The starting end of the arc-shaped fixing arm is provided with the drill bit sleeve radially extending along the arc-shaped fixing arm, and the drill bit sleeve is provided with a fixing screw for fixing the drill bit sleeve. The tail end of the fixing arm is provided with a fixing screw for fixing the sliding arm in the arc-shaped chute, the tail end of the sliding arm is provided with the positioning needle radially extending along the arc-shaped sliding arm, and the positioning needle is provided with a fixing screw for fixing the positioning needle. The arc-shaped fixing arm and the arc-shaped sliding arm are con-cyclic, the skeleton fixing part and the positioning needle are located on the same horizontal plane, and the skeleton fixing part installing the drill bit sleeve and the positioning needle encounter at the center of the circle. The sliding positioning guide device is simple in structure, convenient to operate and capable of accurately and rapidly enabling a drill bit or a guide needle to penetrate an appropriate position, reduces secondary operation injury on local soft tissues, shortens the operation time, reduces bleeding, reduces complications of postoperative patients and shortens the hospital stays.
Description
Technical field
The present invention relates to technical field of medical instruments, especially relate to a kind of for drill bit being played to the slip locating guide device of location, guide effect.
Background technology
Along with social development and social senilization, senile fracture's proportion in orthopaedics is increasing, for senile fracture patients, orthopedist generally wishes to adopt Minimally Invasive Surgery method to reduce operation to patient's two-hit in the time for the treatment of, particularly important for elderly patients' recovery, but in minimal invasive operation, because otch is less, visual area exposes insufficient, and drill bit/Kirschner wire location is inaccurate, thereby extends operating time, increase operation risk.Orthopedist is carrying out fracture operation when treatment, by traction, stick up and the operation method such as dial, after fracture site is resetted, with bone holding forceps or Kirschner wire, fracture site is temporary fixed, and then with the fixing fracture site of steel plate; Sometimes with after the fixing fracture site of Kirschner wire, Kirschner wire can be used as to guide pin, hole with core drill, then be screwed into hollow screw and fix fracture site; Have again for situations such as avulsion fracture, broken ends of fractured bone pulverizing or open fractures, directly with the fixing fracture site of Kirschner wire, all need Kirschner wire accurately from pre-designed entry point inserting needle, to go out pin from the desirable pin mark that goes out for these situations.
But in operative process, point of entrance, the exit points of Kirschner wire and squeeze into direction entirely with patient's experience, the direction of Kirschner wire and position can not accurately be controlled, to accomplish in use accurately to penetrate at every turn, to pass Kirschner wire difficulty larger, therefore operation is caused to difficulty, owing to penetrating, Kirschner wire position is undesirable, cause sclerite fixing insecure, while down operation, can cause fracture site again to misplace, be forced to repeatedly thread a needle, cause soft tissue injury, extend operating time, increase the risk infecting.
Publication number is that the patent of invention of CN102836002A discloses a kind of Kirschner wire guider (application number CN201210332021.4), comprise hollow and annular ring for fixing, at least two axially run through the pressing plate in ring for fixing symmetrically, between ring for fixing and pressing plate, there is pressurizing nut to connect, can regulate the distance between ring for fixing and pressing plate by it, pressing plate end is provided with holder, holder is provided with Kirschner wire guider screw thread to supporting screw, when use, hollow and annular ring for fixing is inserted in suffering limb, by pressing plate, fracture site is resetted, fixing, squeeze into Kirschner wire by the Kirschner wire guider on localizer, thereby fixing fracture site.The Kirschner wire guider position of this Kirschner wire guider is fixed, and while determining entry point, the position that goes out pin mark also determines simultaneously, in clinical use, sometimes need to determine respectively entry point and go out pin mark, this situation makes in use underaction of positioner; Simultaneously this device is few for hand and foot muscular tissue, the little effect of bone volume is better, for other muscle enrich position, fracture that bone volume is larger is impracticable in the time that needs are accurately located.
Summary of the invention
Object of the present invention is exactly in order to address the above problem, a kind of slip locating guide device is provided, by fracture site reset, temporary fixed after, can accurately control drill bit or Kirschner wire entry point, the position that goes out pin mark and Kirschner wire direction, in art, can avoid the displacement again of fracture site and repeatedly wear drill bit or Kirschner wire causes damage to adjacent tissue, improve one-time success rate, improve safety, the shortening operating time of operation, reduce operation risk; Meanwhile, can avoid repeatedly using C arm X-ray machine perspective in art, reduce surgical staff and patient's roentgen radiation x number of times.
To achieve these goals, the present invention adopts following technical scheme:
Slip locating guide device, it comprises:
The arc fixed arm with arc chute, its top is removably provided with the drill holder radially extending along arc fixed arm, and the first locating hole of arc fixed arm installation drill holder is provided with the fixed screw of fixed drill bit sleeve;
The arc sliding arm that mates with arc chute and can be free to slide along arc chute, the tail end of described fixed arm is provided with fixing travelling arm in the fixed screw of arc chute, described travelling arm tail end is removably provided with the positioning needle of radially extending along arc sliding arm, and the second locating hole of travelling arm installation positioning needle is provided with the fixed screw of stationary positioned pin;
The positioning puncture needle that is hollow shape and coordinates with positioning needle;
Be installed on the skeletal fixation part of drill holder;
Described arc fixed arm and arc sliding arm are concyclic, and skeletal fixation part and positioning needle are in same level, and the skeletal fixation part and the positioning needle that are installed on drill holder are met in the center of circle of this circle.
Fixed arm the first locating hole and travelling arm the second locating hole on same horizontal plane, guarantee like this: skeletal fixation part (guide pin/Kirschner wire) and positioning needle are met in same level.
Further, the arrival end of described the first locating hole is provided with the bulge-structure that is positioned at fixed arm upper surface, and this bulge-structure has the through hole coaxial with the first locating hole.
Further, the fixed screw diameter that install in described the first locating hole place is greater than the aperture of the first locating hole, and the fixed screw diameter that described the second locating hole is installed is greater than the aperture of the second locating hole.
Further, described drill holder (3) afterbody has annular ear.
The drill holder radially arranging as described herein is intended to ensure that drill holder position and fixed arm arc radius overlap.
The positioning needle radially arranging as described herein is intended to ensure that positioning needle and travelling arm arc radius overlap.
Skeletal fixation part as described herein, it comprises Kirschner wire or guide pin, and, implant skeleton fixture in operation time, the aids such as drill bit are absolutely necessary, this drill bit can meet in the center of circle of aforementioned circle with positioning needle by drill holder equally, thereby ensures to meet in the center of circle of aforementioned circle such as the skeletal fixation such as Kirschner wire or guide pin part and positioning needle, thereby effectively reaches the object that the present invention will realize.
Locating guide device as described herein slides, it is first fixed on positioning puncture needle the position that drill bit or Kirschner wire intend passing and goes out pin mark, connect positioning puncture needle by travelling arm, fixed arm connects upper guide thimble, in art as required, by guide thimble, drill bit or Kirschner wire are placed on to plan entry point position, be connected with fixed arm by travelling arm and adjust drill bit or Kirschner wire inserting needle direction in guide thimble, thereby drill bit or Kirschner wire are entered along pre-designed entry point, from going out pin mark position out, can ensure that like this Kirschner wire goes out pin position and meets the requirements.
The fixed arm of this invention and travelling arm are the concentric circular arc device matching, and travelling arm locating hole is vertical with arc-shaped device is that the direction of positioning needle overlaps with radius of circle; Equally, fixed arm locating hole is vertical with arc-shaped device be drill bit the path of process for this concentric circular radius, and two locating holes are equal apart from distance above arc-plane, can ensure that like this positioning needle and skeletal fixation part can meet at circle centre position, by can arbitrarily adjusting skeletal fixation part position or direction in this device art, all can make drill bit be clicked and entered by inserting needle, go out pin from the pin mark (the concentric circular center of circle) that goes out of design in advance.
The present invention has following beneficial effect:
(1) this slip locating guide device, be applied to clinical, for fracture minimally-invasive treatment a kind of assistive device is provided.Place in advance positioning needle position and go out pin mark, adjust direction by slip locating guide device, drill bit or guide pin are squeezed into by pre-designed entry point, drill bit or guide pin and positioning needle tip arrive out pin mark position while meeting.This apparatus structure is simple, easy to operate, can be accurately, rapidly drill bit or guide pin are penetrated to appropriate location, reduce operation to local soft tissue secondary damage, and shorten operating time, reduce hemorrhagely, reduce postoperative patient complication and occur, shorten the hospital stays.
The bulge-structure of (2) first locating holes is owing to having the through hole coordinating with the first locating hole, and its increase is installed on the drill holder of the first locating hole stability is installed.
(3) positioning puncture needle is hollow device, and tail end can connect syringe, keeps syringe negative-pressure in piercing process, avoids, in puncture needle intravasation, causing blood vessel injury, then puts into positioning needle by positioning puncture needle, reduces injured blood vessel risk in art.
Brief description of the drawings
Fig. 1 is slip locating guide device structural representation.
Fig. 2 a is fixed arm front view in slip locating guide device.
Fig. 2 b is fixed arm top view in slip locating guide device.
Fig. 3 is A-A cutaway view in Fig. 2 a.
Fig. 4 is B-B cutaway view in Fig. 2 a.
Fig. 5 a is travelling arm front view in slip locating guide device.
Fig. 5 b is travelling arm side view in slip locating guide device.
Fig. 6 is C-C cutaway view in Fig. 5 a.
Fig. 7 is drill holder structural representation in slip locating guide device.
Fig. 8 is fixed screw structural representation in slip locating guide device.
Fig. 9 a is positioning puncture needle structural representation in slip locating guide device.
Fig. 9 b is positioning puncture needle sectional view in slip locating guide device.
Figure 10 is slip locating guide device using state figure.
Figure 11 a, 11b be slip locating guide device for fracture of scaphoid bone of wrist surgical effect figure, wherein, shown in Figure 11 a, connect positioning puncture needle puncture with syringe, Figure 11 b connects positioning needle by travelling arm, fixed arm.
Figure 12 is that slip locating guide device is for Patella fracture surgical effect figure.
Figure 13,14, for slip locating guide device is for fracture of femoral neck surgical effect figure, wherein, connects positioning puncture needle puncture with syringe shown in Figure 13, and Figure 14 connects positioning needle by travelling arm, fixed arm.
Figure 15 is that slip locating guide device is for intertrochanteric fracture of the femur surgical effect figure.
Detailed description of the invention
For technological means, creation characteristic that the present invention is realized, reach object and effect is easy to understand, below in conjunction with concrete diagram, further set forth the present invention.
Referring to Fig. 1, slip locating guide device of the present invention, comprise: arc fixed arm 1, arc sliding arm 2, drill holder 3, fixed screw 4, positioning needle 5, positioning puncture needle 6 and skeletal fixation part D, this skeletal fixation part comprises guide pin, Kirschner wire and coordinates the drill bit of installing with guide pin, Kirschner wire, it should be noted that, herein if no special instructions, the implication of "/" is "or".
Below each structure of the present invention is described in detail.
Referring to Fig. 2 a-2b, there is the arc fixed arm 1 of arc chute, its top (left end of arc fixed arm in Fig. 2 a) is removably provided with the drill holder 3 radially extending along arc fixed arm, the first locating hole of arc fixed arm installation drill holder is provided with the fixed screw 4 of fixed drill bit sleeve, is mutually arranged vertically for this fixed screw screw hole and the first locating hole in place.One section of the arc that described arc fixed arm is a cylinder, and the centrage of the centrage of arc chute and this arc fixed arm overlaps.This arc chute is non-entire body layout on arc fixed arm, and the arrival end of this arc chute is positioned at the bottom righthand side of arc fixed arm, and the not-go-end of this arc chute is near the top of arc fixed arm.Described drill holder is installed skeletal fixation part D.
Referring to Fig. 2 a-3, the arrival end (top of the first locating hole) of described the first locating hole is provided with the bulge-structure K that is positioned at fixed arm upper surface, this bulge-structure has the through hole coaxial with the first locating hole, in actual use, this bulge-structure can increase the contact area of drill holder at the first locating hole, and then increase the stability that whole drill holder is installed, and this bulge-structure has this effect equally for drill bit (or Kirschner wire).
Referring to Fig. 5 a-5b, the arc sliding arm 2 that mates with arc chute and can be free to slide along arc chute, the tail end of described fixed arm is provided with fixing travelling arm in the fixed screw 4 of arc chute, the Screw hole structure coordinating with this fixed screw is referring to Fig. 4, in this figure, the arrival end of screw is provided with boss structure equally, described travelling arm tail end is removably provided with the positioning needle 5 of radially extending along arc sliding arm, the second locating hole of travelling arm installation positioning needle is provided with the fixed screw 4 of stationary positioned pin, and the Screw hole structure at these fixed screw 4 places is referring to Fig. 6.One section of the arc that described arc sliding arm is also a cylinder, the center of this cylinder and cylinder Zhu center, aforementioned arc fixed arm place overlap.
Referring to Fig. 7, described drill holder 3 afterbodys have annular ear, can drill holder afterbody be fixed by ring-type ear when being installed in the first locating hole process.
Referring to Fig. 8, the afterbody of fixed screw 4 has for hand-held ledge arrangement, and it has improved the convenience of operation.
Referring to Fig. 9 a-9b, the positioning puncture needle 6 matching with positioning needle has a tip and a tail end with annular ear, and it is hollow shape structure.
Wherein, described arc fixed arm and arc sliding arm are concyclic, and skeletal fixation part (such as guide pin) and positioning needle are in same level, and the skeletal fixation part and the positioning needle that are installed on drill holder are met in the center of circle of this circle.
In this case, guide pin can be selected the Kirschner wire of 0.8mm-2.5mm.
Figure 10 shows the using state figure of this slip locating guide device.
Referring to Fig. 3, Fig. 6, the fixed screw diameter that install in described the first locating hole place is greater than the aperture of the first locating hole, and the fixed screw diameter that described the second locating hole is installed is greater than the aperture of the second locating hole.By the diameter of fixed screw being increased to it and treating the contact area between fixture, and then improve the stability of assembling.
The operating process of this device is as follows:
In operation, pre-determine the entry point of drill bit or Kirschner wire and gone out pin mark;
The first step is placed on out pin mark with puncture needle 6 by location under the guiding of C arm X-ray machine or under direct-view, then by the passage of positioning puncture needle, positioning needle 5 is placed into out to pin mark, removes positioning puncture needle;
Second step, is connected travelling arm with positioning needle, fixing with set bolt 4 when positioning needle length equals arc radius;
The 3rd step, places drill bit to pre-determine entry point position, and set bolt connects sleeve and fixed arm, will place drill bit by sleeve;
The 4th step, is slided and adjusts drill bit direction in fixed arm sliding tray by travelling arm, after direction is adjusted, by set bolt 4, fixed arm and travelling arm is connected and fixed firmly;
The 5th step, is entered drill bit by pre-designed entry point, pass complete operation from going out pin mark (positioning needle fixed point).
This contrive equipment is used in operation, so installing material that all parts adopt all should meet and can carry out sterilization treatment condition, the conventional high pressure steam sterilization that adopts, sterilising conditions requires: lower exhaust pressure steam sterilizer, pressure rises to 102.9kPa (1.05kg/cm2), temperature reaches 121～126 DEG C, maintains 20～30 minutes; Or use pulse vacuum pressure steam sterilizer: steam pressure 205.8kPa (2.1kg/cm2), temperature reaches 132 DEG C above and maintains 10 minutes.
The positioning puncture needle 6 using in localised puncture process is consistent with disposable use needle for anaesthesia standard, meets the People's Republic of China's pharmaceuticals industry standard: YY0321-2006.
Below by concrete operation example, this device is described:
For the operation of fracture of scaphoid bone of wrist
Referring to Figure 11 a-11b, in operative process, first positioning puncture needle 6 is punctured, make positioning puncture needle be fixed on wrist nut bone near-end ulnar side exit points position, by positioning puncture needle, positioning needle is placed on to wrist nut bone near-end ulnar side exit points position, pass through travelling arm, fixed arm connects positioning needle, adjust travelling arm and fixed arm relation, by hollow screw guide pin from wrist nut bone distal radial side inserting needle, guide pin is entered from wrist nut bone distal radial side entry point with electric drill, point out pin from wrist nut bone near-end ulnar side location, measure needling length, along the fixing fracture site of suitable hollow screw for guide pin, use this positioner by Wicresoft, hollow screw guide pin to be inserted in wrist nut bone accurately, fast, avoid damaging the soft tissues such as the abundant ligament of wrist, tendon, blood vessel.
For the operation of Patella fracture
Referring to Figure 12, in operative process, by Patella fracture reduction, use towel forceps temporary fixed, positioning needle is fixed on to patella far-end and intends exit points position, connect positioning needle by travelling arm, fixed arm, adjust travelling arm and fixed arm relation, Kirschner wire or guide pin are placed on to patella near-end entry point position, use electric drill by Kirschner wire or guide pin by patella near-end inserting needle, point out pin from patella far-end location, in like manner, according to needs in art, can penetrate the fixing Patella fracture broken ends of fractured bone of many pieces of Kirschner wires, then use steel-wire compression to fix patella; If use the fixing patella of hollow screw, can screw in hollow screw along guide pin, then use steel-wire compression to fix patella; Use this positioner can be disposable, quick, accurately by Kirschner wire or the fixing patella of guide pin, avoid the repeated multiple times damage patella surrounding soft tissue of threading a needle.
For the operation of fracture of femoral neck
Referring to Figure 13-14, in operative process, indirectly the outward turning of the fracture of femoral neck broken ends of fractured bone, shortened deformity are corrected by extension table, connected positioning puncture needle 6 with syringe as shown in figure 13 and puncture, can avoid like this penetrating hip blood vessel, positioning needle puncture needle is fixed on to femoral head front side, then by positioning puncture needle is hollow, positioning needle is placed on to femoral head front side, then basis: femoral head radius+paracentesis depth=positioner radius, calculate travelling arm and be connected and fixed puncture needle position, thereby indirectly make puncture needle penetrate femoral head inside, as shown in figure 14, pass through travelling arm, fixed arm connects positioning needle, adjust travelling arm and fixed arm relation, guide pin is outer side needling near end of thighbone, use electric drill by guide pin by near end of thighbone after outer side needling, through neck of femur, penetrate femoral head inside, according to needs in art, again adjust puncture needle position and penetrate again 2 pieces of guide pins, then measure depth of needle, screw in the fixing fracture site of the suitable hollow screw of length, use this positioner by Wicresoft, guide pin rapidly, accurately to be inserted in neck of femur, avoid damaging the soft tissues such as hip blood vessel, muscle, shorten operating time, reduce intraoperative blood loss and C arm X-ray machine irradiation number of times.
For the operation of intertrochanteric fracture of the femur
Referring to Figure 15, in operative process, indirectly the outward turning of the femur intertrochanteric fracture broken ends of fractured bone, shortened deformity are corrected by extension table, connecting positioning puncture needle 6 with syringe punctures, can avoid like this penetrating in thigh blood vessel, positioning puncture needle is fixed on to outside, femur stage casing, then by positioning puncture needle is hollow, positioning needle is placed on to outside, femur stage casing, then basis: femur radius+paracentesis depth=positioner radius, calculate travelling arm and be connected and fixed puncture needle position, thereby indirectly make puncture needle penetrate femur center line position; Connect positioning needle by travelling arm, fixed arm, adjust travelling arm and fixed arm relation, guide pin is from femur pears shape nest inserting needle, use electric drill by guide pin by femur pears shape nest inserting needle, through femur intertrochanteric fracture position, penetrate femoral bone cavitas medullaris inside, take off device for positioning and securing, insert the main nail of anti-rotation femur end intramedullary pin (PFNA) along positioning needle, PFNA screw blade is knocked in neck of femur, finally lock PNNA far-end locking nail; Use this positioner by Wicresoft's mode can be rapidly, accurately main PFNA nail is inserted rapidly near end of thighbone, thereby shorten operating time, reduce intraoperative blood loss and C arm X-ray machine irradiation number of times, can reduce advanced age, body constitution is poor and merge basic patient's art risk, is conducive to post-operative recovery.
The foregoing is only the preferred embodiment of the present invention, protection scope of the present invention is not limited in above-mentioned embodiment, and every technical scheme that belongs to the principle of the invention all belongs to protection scope of the present invention.For a person skilled in the art, some improvement of carrying out under the prerequisite that does not depart from principle of the present invention, these improve and also should be considered as protection scope of the present invention.
Claims (5)
1. slip locating guide device, is characterized in that, comprising:
The arc fixed arm with arc chute, its top is removably provided with the drill holder radially extending along arc fixed arm, and the first locating hole of arc fixed arm installation drill holder is provided with the fixed screw of fixed drill bit sleeve;
The arc sliding arm that mates with arc chute and can be free to slide along arc chute, the tail end of described fixed arm is provided with fixing travelling arm in the fixed screw of arc chute, described travelling arm tail end is removably provided with the positioning needle of radially extending along arc sliding arm, and the second locating hole of travelling arm installation positioning needle is provided with the fixed screw of stationary positioned pin;
The positioning puncture needle that is hollow shape and coordinates with positioning needle;
Be installed on the skeletal fixation part of drill holder;
Described arc fixed arm and arc sliding arm are concyclic, and skeletal fixation part and positioning needle are in same level, and the skeletal fixation part and the positioning needle that are installed on drill holder are met in the center of circle of this circle.
2. slip locating guide device according to claim 1, is characterized in that, the arrival end of described the first locating hole is provided with the bulge-structure that is positioned at fixed arm upper surface, and this bulge-structure has the through hole coaxial with the first locating hole.
3. slip locating guide device according to claim 1, it is characterized in that, the fixed screw diameter that install in described the first locating hole place is greater than the aperture of the first locating hole, and the fixed screw diameter that described the second locating hole is installed is greater than the aperture of the second locating hole.
4. slip locating guide device according to claim 1, is characterized in that, described drill holder afterbody has annular ear.
5. slip locating guide device according to claim 1, is characterized in that, described skeletal fixation part comprises drill bit, guide pin or Kirschner wire.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410226354.8A CN103961174A (en) | 2014-05-27 | 2014-05-27 | Sliding positioning guide device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410226354.8A CN103961174A (en) | 2014-05-27 | 2014-05-27 | Sliding positioning guide device |
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| CN103961174A true CN103961174A (en) | 2014-08-06 |
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| CN201410226354.8A Pending CN103961174A (en) | 2014-05-27 | 2014-05-27 | Sliding positioning guide device |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104274238A (en) * | 2014-10-21 | 2015-01-14 | 中国人民解放军第三军医大学第二附属医院 | Fluoroscopic stereoscopic femoral neck localizing device |
| CN104758044A (en) * | 2015-04-14 | 2015-07-08 | 冀旭斌 | Piston type double-ring odontoid-process-of-axis sighting device |
| CN104758046B (en) * | 2015-04-14 | 2016-08-24 | 冀旭斌 | Dicyclic pivot cone cdontoid process sight |
| CN105925952A (en) * | 2016-05-11 | 2016-09-07 | 上海应用技术学院 | Wire feeding device with adjustable wire inlet angle |
| CN106923937A (en) * | 2017-04-07 | 2017-07-07 | 中国人民解放军南京军区福州总医院 | A kind of bone implants implantation locating guide device and its application method |
| CN107854168A (en) * | 2017-11-30 | 2018-03-30 | 扬州大学附属医院 | A kind of method and device for treating fracture of scaphoid bone of wrist |
| CN108938073A (en) * | 2018-08-29 | 2018-12-07 | 万承兴 | Anteversion of femoral neck indicator |
| CN109330676A (en) * | 2018-11-16 | 2019-02-15 | 张晨晨 | A kind of orthopaedics pre-fixes guiding device with heteropleural fixed Kirschner wire |
| CN110302044A (en) * | 2019-07-12 | 2019-10-08 | 李卫 | A kind of ring type shock wave treatment head of reducing |
| CN113180815A (en) * | 2021-05-26 | 2021-07-30 | 中国人民解放军总医院第六医学中心 | Auxiliary positioning and nail placing device for proximal femoral intramedullary nail |
| CN113303866A (en) * | 2021-06-04 | 2021-08-27 | 中南大学湘雅医院 | Thighbone near-end kirschner wire drilling location and many needles drilling auxiliary device |
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Application publication date: 20140806 |