CN103006310B - Femoral nail embedding reductor - Google Patents
Femoral nail embedding reductor Download PDFInfo
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- CN103006310B CN103006310B CN201210473477.2A CN201210473477A CN103006310B CN 103006310 B CN103006310 B CN 103006310B CN 201210473477 A CN201210473477 A CN 201210473477A CN 103006310 B CN103006310 B CN 103006310B
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- lifting rod
- horizontal
- fixing button
- fracture
- vertical
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Abstract
The invention relates to the field of medical appliances, and discloses a femoral nail embedding reductor. According to the femoral nail embedding reductor, an intramedullary guidance device is arranged at a fracture near end; a lifting rod is arranged at a fracture remote end; intramedullary guidance is performed at the fracture near end; lifting reduction is performed through two lifting pins in sagittal view and coronal view at the fracture remote end; fracture three-dimensional reduction is performed through femora intramedullary guidance; the fracture near and remote ends can be accurately repositioned and temporarily fixed through simple fluoroscopy; and the femoral nail embedding reductor is convenient for intramedullary guide pins to be embedded and has high safety and accuracy. The femoral nail embedding reductor can be matched with the existing intramedullary nails for clinical use, and is simple to operate. Scales are formed on the lifting rod, the required lifting distance can be more accurately fixed during operation, and the femoral nail embedding reductor is accurate for reduction. The femoral nail embedding reductor breaks the traditional occlusion manual reduction, reduces the damage to the biological environment at the fracture ends, greatly enhances the operation safety, reduces operation complications, and can obviously reduce X-ray fluoroscopy amount and protect doctors and patients.
Description
Technical field
The present invention relates to medical instruments field, particularly femoral interlocking nail implants resetting technique.
Background technology
Fracture of shaft of femur is more common extremity fracture, and at present, the treatment of extremity fracture is fixed nothing more than closed reduction Gypsum Fibrosum extenal fixation, exterior fixation bracket, closed draw resets and cuts steel plate or this several method of Interlocking intramedullary fixation of reduction by traction.But in the therapeutic process of this several method, in internal fixation operation of cutting and resetting process, when carrying out the reset of fracture end, doctor clamped near, the far-end of fracture before this respectively with two bone forceps, then two bone forceps are grasped, carry out the reduction of the fracture by the traction strength of arm, after the reduction of the fracture, also will continue to rely on the strength of arm to maintain the reset mode of fracture end, just can carry out steel plate or Intramedullary nailing.
The present inventor finds, prior art deposits problem in the following areas:
1, current, intramedullary pin is implanted and is fixed mostly free-hand under x-ray machine monitors completing, and need to have an X-rayed in a large number, doctor and patient needs to bear heavy dose of RADI;
2, the reduction by traction in operation and all need just to complete under the close fit of many people when expanding marrow and implant intramedullary pin, the large and poor accuracy of blindness, if marrow expanding device passes the important nerve of easy damaged or blood vessel from the broken ends of fractured bone;
3, draw, reset and maintain unstable, maintain after fracture end reduction in the process of reset mode, also easily occur fracture end displacement again distortion, usually need repeated multiple times Retracting repositioning, fracture end repeatedly reset cause the broken ends of fractured bone circle blunt be the key factor causing bone does not connect;
4, fracture end repeatedly resets and easily increases the weight of the bioenvironmental destruction of fracture end, is the key factor causing bone does not connect.
Summary of the invention
The object of the present invention is to provide a kind of femoral interlocking nail to implant positor, in femur marrow, guiding fracture is three-dimensional resets, by simple perspective, can fracture nearly far-end parking position accuracy temporary fixed, facilitate inserting of guide pin in marrow, simple to operate, there is tight security and accuracy.
For solving the problems of the technologies described above, embodiments of the present invention disclose a kind of femoral interlocking nail and implant positor, comprising: guide pin (10), head rod (4), the second connecting rod (5), be placed on fracture near-end marrow in guiding device (1) and be placed on the lifting rod of far-end of fracturing;
In marrow, guiding device (1) is fixed on head rod (4), for controlling reset direction; In this marrow, guiding device (4) is hollow cylindrical, and the external diameter of this hollow cylinder is less than the internal diameter of femoral cavity, and the internal diameter of hollow cylinder is greater than the diameter of guide pin (10);
Lifting rod is for controlling far-end reset direction of fracturing, and this lifting rod comprises: horizontal lifting rod (2) and vertical lifting rod (3), horizontal lifting rod (2) horizontal positioned, and vertical lifting rod (3) is vertically placed;
Second connecting rod (5) there are horizontal concrete chute (6) and vertical chute (7);
Horizontal concrete chute (6) is provided with the first fixing button (8), and this first fixing button (8) can slide along this horizontal concrete chute (6) horizontal direction;
Vertical lifting rod (3) and the first fixing button (8) link together, and vertical lifting rod (3) can move relative to the first fixing button (8) vertical direction;
Vertical chute (7) is provided with the second fixing button (9), and this second fixing button (9) can slide along this vertical chute (7) vertical direction;
Horizontal lifting rod (2) and the second fixing button (9) link together, and horizontal lifting rod (2) can move relative to the second fixing button (9) horizontal direction;
Head rod (4) and the second connecting rod (5) are vertically connected on together, and wherein, the direction being parallel to horizontal plane is horizontal direction, and the direction perpendicular to horizontal plane is vertical direction.
Compared with prior art, the main distinction and effect thereof are embodiment of the present invention:
By guiding in fracture near-end marrow, fracture far-end then carries out lift by sagittal plain and Coronal two pieces of pulling nails and resets, in femur marrow, guiding fracture is three-dimensional resets, by simple perspective, can fracture nearly far-end parking position accuracy temporary fixed, facilitate inserting of guide pin in marrow, simple to operate, there is tight security and accuracy.
Further, can support the use with apparatuses such as the intramedullary pins of present Clinical practice, simple to operate.
Further, lifting rod there is scale, when operation, the distance needing lift can be determined more accurately, parking position accuracy.
Further, break through the closed manual reduction of tradition, the biotic environment reducing fracture end destroys, and operation safety increases greatly, reduces postoperative complication, and significantly can reduce X-ray fluoroscopy amount, protection doctor and patient.
Accompanying drawing explanation
Fig. 1 is the structural representation that in first embodiment of the invention, a kind of femoral interlocking nail implants positor;
Fig. 2 is fracture schematic diagram;
Fig. 3 is the using state figure that in first embodiment of the invention, a kind of femoral interlocking nail implants positor;
Fig. 4 is the using state figure that in first embodiment of the invention, a kind of femoral interlocking nail implants positor;
Fig. 5 is the using state figure that in first embodiment of the invention, a kind of femoral interlocking nail implants positor;
Fig. 6 is the using state figure that in first embodiment of the invention, a kind of femoral interlocking nail implants positor;
Fig. 7 is the using state figure that in first embodiment of the invention, a kind of femoral interlocking nail implants positor;
Fig. 8 is the using state figure that in first embodiment of the invention, a kind of femoral interlocking nail implants positor;
Fig. 9 is the using state figure that in first embodiment of the invention, a kind of femoral interlocking nail implants positor.
Detailed description of the invention
In the following description, many ins and outs are proposed in order to make reader understand the application better.But, persons of ordinary skill in the art may appreciate that even without these ins and outs with based on the many variations of following embodiment and amendment, also can realize each claim of the application technical scheme required for protection.
For making the object, technical solutions and advantages of the present invention clearly, below in conjunction with accompanying drawing, embodiments of the present invention are described in further detail.
First embodiment of the invention relates to a kind of femoral interlocking nail and implants positor.Fig. 1 is the structural representation that this femoral interlocking nail implants positor.
Specifically, as shown in Figure 1, this femoral interlocking nail implant positor comprise: guide pin 10, head rod 4, second connecting rod 5, be placed on fracture near-end marrow in guiding device 1 and be placed on fracture far-end lifting rod.
In marrow, guiding device 1 is fixed on head rod 4, for controlling reset direction.In this marrow, guiding device 4 is hollow cylindrical, and the external diameter of this hollow cylinder is less than the internal diameter of femoral cavity, and the internal diameter of hollow cylinder is greater than the diameter of guide pin 10.
Lifting rod is for controlling far-end reset direction of fracturing, and this lifting rod comprises: horizontal lifting rod 2 and vertical lifting rod 3, horizontal lifting rod 2 horizontal positioned, vertical lifting rod 3 is vertically placed.
Second connecting rod 5 there are horizontal concrete chute 6 and vertical chute 7.
Horizontal concrete chute 6 is provided with the first fixing button 8, and this first fixing button 8 can slide along this horizontal concrete chute 6 horizontal direction.
Vertical lifting rod 3 and the first fixing button 8 link together, and vertical lifting rod 3 can move relative to the first fixing button 8 vertical direction.
Preferably, vertical lifting rod 3 vertically penetrates the first fixing button 8, and both are together by a threaded connection, and the external thread length on vertical lifting rod 3 is greater than the female thread in the first fixing button 8.
This be one preferred embodiment, in some other embodiment of the present invention, vertical lifting rod 3 and the first fixing button 8 also can adopt other connection and the mode of movement, are not limited to this kind of mode.
Vertical chute 7 is provided with the second fixing button 9, and this second fixing button 9 can slide along this vertical chute 7 vertical direction.
Horizontal lifting rod 2 and the second fixing button 9 link together, and horizontal lifting rod 2 can move relative to the second fixing button 9 horizontal direction.
Preferably, horizontal lifting rod 2 level penetrates the second fixing button 9, and both are together by a threaded connection, and the external thread length on horizontal lifting rod 2 is greater than the female thread in the second fixing button 9.
Same, this also just one preferred embodiment, in some other embodiment of the present invention, horizontal lifting rod 2 and the second fixing button 9 also can adopt other connection and the mode of movement, are not limited to this kind of mode.
Preferably, horizontal lifting rod 2 all has scale with on vertical lifting rod 3, and lifting rod has scale, when operation, can determine the distance needing lift more accurately, parking position accuracy.
Together with head rod 4 is vertically connected on the second connecting rod 5, wherein, the direction being parallel to horizontal plane is horizontal direction, and the direction perpendicular to horizontal plane is vertical direction.
It is matching used, simple to operate with the apparatus such as existing intramedullary pin that this femoral interlocking nail implants positor.
By guiding in fracture near-end marrow, fracture far-end then carries out lift by sagittal plain and Coronal two pieces of pulling nails and resets, in femur marrow, guiding fracture is three-dimensional resets, by simple perspective, can fracture nearly far-end parking position accuracy temporary fixed, facilitate inserting of guide pin in marrow, simple to operate, there is tight security and accuracy.
Break through the closed manual reduction of tradition, the biotic environment reducing fracture end destroys, and operation safety increases greatly, reduces postoperative complication, and significantly can reduce X-ray fluoroscopy amount, protection doctor and patient.
Below, the using method that this femoral interlocking nail lower implants positor is introduced in detail:
Fig. 2 is fracture schematic diagram;
(1) first, as shown in Figure 3, place guiding device in marrow at fracture near-end, control reset direction; Place lifting rod at fracture far-end, control fracture far-end reset direction, and assist to reset.
(2) by regulating vertical lifting rod 3, vertical direction lift fracture far-end, as shown in Figure 4.Until by fracture far-end lift in the vertical direction to fracture near-end in identical level height, as shown in Figure 5.
(3) horizontal lifting rod is installed, carries out horizontal direction lift, as shown in Figure 6.Until fracture far-end and the fracture face of near-end of fracturing are overlapped together with, as shown in Figure 7.
(4) reduction of the fracture success, as shown in Figure 8.
(5) guide pin is placed by guiding device in marrow, as shown in Figure 9.
(6) indwelling guide pin, pulls out guiding device in marrow, places the apparatuses such as intramedullary pin smoothly finally by guide pin.
It should be noted that, in the claim and description of this patent, the such as relational terms of first and second grades and so on is only used for an entity or operation to separate with another entity or operating space, and not necessarily requires or imply the relation that there is any this reality between these entities or operation or sequentially.And, term " comprises ", " comprising " or its any other variant are intended to contain comprising of nonexcludability, thus make to comprise the process of a series of key element, method, article or equipment and not only comprise those key elements, but also comprise other key elements clearly do not listed, or also comprise by the intrinsic key element of this process, method, article or equipment.When not more restrictions, the key element " being comprised " limited by statement, and be not precluded within process, method, article or the equipment comprising described key element and also there is other identical element.
Although by referring to some of the preferred embodiment of the invention, to invention has been diagram and describing, but those of ordinary skill in the art should be understood that and can do various change to it in the form and details, and without departing from the spirit and scope of the present invention.
Claims (4)
1. a femoral interlocking nail implants positor, it is characterized in that, comprising: guide pin (10), head rod (4), the second connecting rod (5), be placed on fracture near-end marrow in guiding device (1) and be placed on the lifting rod of far-end of fracturing;
In described marrow, guiding device (1) is fixed on head rod (4), for controlling reset direction; In this marrow, guiding device (4) is hollow cylindrical, and the external diameter of this hollow cylinder is less than the internal diameter of femoral cavity, and the internal diameter of hollow cylinder is greater than the diameter of described guide pin (10);
Described lifting rod is for controlling far-end reset direction of fracturing, and this lifting rod comprises: horizontal lifting rod (2) and vertical lifting rod (3), horizontal lifting rod (2) horizontal positioned, and vertical lifting rod (3) is vertically placed;
Described second connecting rod (5) there are horizontal concrete chute (6) and vertical chute (7);
Described horizontal concrete chute (6) is provided with the first fixing button (8), and this first fixing button (8) can slide along this horizontal concrete chute (6) horizontal direction;
Described vertical lifting rod (3) and described first fixing button (8) link together, and vertical lifting rod (3) can move relative to the first fixing button (8) vertical direction;
Described vertical chute (7) is provided with the second fixing button (9), and this second fixing button (9) can slide along this vertical chute (7) vertical direction;
Described horizontal lifting rod (2) and described second fixing button (9) link together, and horizontal lifting rod (2) can move relative to the second fixing button (9) horizontal direction;
Described head rod (4) and the second connecting rod (5) are vertically connected on together, and wherein, the direction being parallel to horizontal plane is horizontal direction, and the direction perpendicular to horizontal plane is vertical direction.
2. femoral interlocking nail according to claim 1 implants positor, it is characterized in that, described vertical lifting rod (3) vertically penetrates described first fixing button (8), both are together by a threaded connection, and the external thread length on vertical lifting rod (3) is greater than the female thread in the first fixing button (8);
Described horizontal lifting rod (2) level penetrates described second fixing button (9), both are together by a threaded connection, and the external thread length on horizontal lifting rod (2) is greater than the female thread in the second fixing button (9).
3. femoral interlocking nail according to claim 2 implants positor, and it is characterized in that, described horizontal lifting rod (2) all has scale with on vertical lifting rod (3).
4. femoral interlocking nail according to claim 3 implants positor, it is characterized in that, this femoral interlocking nail implant positor and existing intramedullary pin with the use of.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210473477.2A CN103006310B (en) | 2012-11-20 | 2012-11-20 | Femoral nail embedding reductor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210473477.2A CN103006310B (en) | 2012-11-20 | 2012-11-20 | Femoral nail embedding reductor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103006310A CN103006310A (en) | 2013-04-03 |
| CN103006310B true CN103006310B (en) | 2015-04-29 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210473477.2A Expired - Fee Related CN103006310B (en) | 2012-11-20 | 2012-11-20 | Femoral nail embedding reductor |
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| Country | Link |
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| CN (1) | CN103006310B (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106618709A (en) * | 2016-12-31 | 2017-05-10 | 田康 | Elastic intramedullary nail for ulnar fracture and fixator of elastic intramedullary nail |
| CN107669325A (en) * | 2017-10-25 | 2018-02-09 | 邓婉坤 | A kind of femoral interlocking nail guide pin alignment system and its application method |
| CN107616832B (en) * | 2017-11-20 | 2023-08-04 | 陈聚伍 | Femoral intramedullary nail position adjustment system |
| CN108283562A (en) * | 2018-01-29 | 2018-07-17 | 北京大学深圳医院（北京大学深圳临床医学院） | Device for being lifted near end of thighbone in directly front side approach hip replacement |
| CN108042190A (en) * | 2018-02-07 | 2018-05-18 | 东莞市石碣医院 | A kind of fracture of femoral shaft three-dimensional closed restorer and its application method |
| CN110495944A (en) * | 2019-09-20 | 2019-11-26 | 杨春 | A kind of femoral interlocking nail guid needle finder |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2787697A1 (en) * | 1998-12-29 | 2000-06-30 | France Etat | MONOLATERAL ORTHOPEDIC EXTERNAL FIXATION DEVICE FOR BONE FRACTURE IMMOBILIZATION |
| CN2894627Y (en) * | 2006-01-11 | 2007-05-02 | 吴树辉 | Bone fracture three-dimensional and rotary opening-pressing apparatus |
| CN201160887Y (en) * | 2008-02-15 | 2008-12-10 | 上海市第六人民医院 | Backbone bone fracture closing restorer |
| CN201453367U (en) * | 2008-12-04 | 2010-05-12 | 常州亨杰医疗器械有限公司 | Tibial nailing operative instrument |
| CN203138667U (en) * | 2012-11-20 | 2013-08-21 | 上海市浦东新区公利医院 | Repositor for implanting femoral nails |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8628531B2 (en) * | 2006-01-27 | 2014-01-14 | Smith & Nephew, Inc. | Assemblies for the reduction of a fracture |
| US20090299376A1 (en) * | 2008-05-27 | 2009-12-03 | Martinez Jaime E | Sensing Device for Medical Procedure |
-
2012
- 2012-11-20 CN CN201210473477.2A patent/CN103006310B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2787697A1 (en) * | 1998-12-29 | 2000-06-30 | France Etat | MONOLATERAL ORTHOPEDIC EXTERNAL FIXATION DEVICE FOR BONE FRACTURE IMMOBILIZATION |
| CN2894627Y (en) * | 2006-01-11 | 2007-05-02 | 吴树辉 | Bone fracture three-dimensional and rotary opening-pressing apparatus |
| CN201160887Y (en) * | 2008-02-15 | 2008-12-10 | 上海市第六人民医院 | Backbone bone fracture closing restorer |
| CN201453367U (en) * | 2008-12-04 | 2010-05-12 | 常州亨杰医疗器械有限公司 | Tibial nailing operative instrument |
| CN203138667U (en) * | 2012-11-20 | 2013-08-21 | 上海市浦东新区公利医院 | Repositor for implanting femoral nails |
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| Publication number | Publication date |
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| CN103006310A (en) | 2013-04-03 |
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