CN103006310A - Femoral nail embedding reductor - Google Patents
Femoral nail embedding reductor Download PDFInfo
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- CN103006310A CN103006310A CN2012104734772A CN201210473477A CN103006310A CN 103006310 A CN103006310 A CN 103006310A CN 2012104734772 A CN2012104734772 A CN 2012104734772A CN 201210473477 A CN201210473477 A CN 201210473477A CN 103006310 A CN103006310 A CN 103006310A
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- lifting rod
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- fixing button
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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 is implanted resetting technique.
Background technology
Fracture of shaft of femur is more common extremity fracture, at present, the treatment of extremity fracture nothing more than the closed reduction Gypsum Fibrosum outward fixing, exterior fixation bracket is fixed, closed draw resets and the steel plate or the interlocking intramedullary nail that cut reduction by traction fixed this several method.But in the therapeutic process of this several method, in the internal fixation operation of cutting and resetting process, when carrying out the resetting of fracture end, the doctor clamped respectively near, the far-end of fracture before this with two bone forceps, then grasp two bone forceps, traction strength by arm is carried out the reduction of the fracture, also will continue to rely on the strength of arm to keep the reset mode of fracture end after the reduction of the fracture, just can carry out steel plate or intramedullary pin is fixed.
The present inventor's discovery, there is the problem of following aspect in prior art:
1, present, intramedullary pin is implanted fixing mostly free-hand finishing under x-ray machine monitors, needs in a large number perspective, and doctor and patient need to bear heavy dose of RADI;
2, the reduction by traction in the operation and all need under many people's close fit, just finishing when expanding marrow and implanting intramedullary pin, the large and poor accuracy of blindness is 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 keep shakiness, after fracture end reduction, keep in the process of reset mode, the again displacement distortion of fracture end also easily occurs, usually need repeated multiple times Retracting repositioning, fracture end resets repeatedly, and to cause broken ends of fractured bone circle blunt be the key factor that causes 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 that causes 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, guiding fracture three-dimensional resets in femur marrow, by simple perspective, can be with the nearly far-end parking position accuracy of fracture and temporary fixed, make things convenient for inserting of the interior guide pin of marrow, simple to operate, have 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 have implanted positor, comprising: guide pin (10), head rod (4), the second connecting rod (5), be placed on guiding device (1) in the marrow of fracture near-end and be placed on the lifting rod of the far-end of fracturing;
Guiding device (1) is fixed on the head rod (4) in the marrow, is used for controlling the direction that resets; Guiding device (4) is hollow cylindrical in this marrow, 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 used for the control fracture far-end direction that resets, and this lifting rod comprises: horizontal lifting rod (2) and vertical lifting rod (3), horizontal lifting rod (2) horizontal positioned, the vertically placement of vertical lifting rod (3);
Horizontal concrete chute (6) and vertical chute (7) are arranged on the second connecting rod (5);
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) links together with the first fixing button (8), and vertical lifting rod (3) can move with respect 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) links together with the second fixing button (9), and horizontal lifting rod (2) can move with respect 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 that is parallel to horizontal plane is horizontal direction, are vertical direction perpendicular to the direction of horizontal plane.
Embodiment of the present invention compared with prior art, the main distinction and effect thereof are:
By guiding in the fracture near-end marrow, the fracture far-end then lifts by sagittal plain and two pieces of pulling nails of Coronal and resets, guiding fracture three-dimensional resets in femur marrow, by simple perspective, can be with the nearly far-end parking position accuracy of fracture and temporary fixed, make things convenient for inserting of the interior guide pin of marrow, simple to operate, have tight security and accuracy.
Further, can support the use with the apparatuses such as intramedullary pin of present clinical use, simple to operate.
Further, scale is arranged on the lifting rod, can be in operation, determine more accurately the distance that need to lift, parking position accuracy.
Further, break through traditional closed manual reduction, the biotic environment that reduces fracture end destroys, and operation safety increases greatly, reduces postoperative complication, and can significantly reduce the x-ray fluoroscopy amount, the protection doctor and patient.
Description of drawings
Fig. 1 is the structural representation that a kind of femoral interlocking nail is implanted positor in the first embodiment of the invention;
Fig. 2 is the fracture schematic diagram;
Fig. 3 is the user mode figure that a kind of femoral interlocking nail is implanted positor in the first embodiment of the invention;
Fig. 4 is the user mode figure that a kind of femoral interlocking nail is implanted positor in the first embodiment of the invention;
Fig. 5 is the user mode figure that a kind of femoral interlocking nail is implanted positor in the first embodiment of the invention;
Fig. 6 is the user mode figure that a kind of femoral interlocking nail is implanted positor in the first embodiment of the invention;
Fig. 7 is the user mode figure that a kind of femoral interlocking nail is implanted positor in the first embodiment of the invention;
Fig. 8 is the user mode figure that a kind of femoral interlocking nail is implanted positor in the first embodiment of the invention;
Fig. 9 is the user mode figure that a kind of femoral interlocking nail is implanted positor in the first embodiment of the invention.
The specific embodiment
In the following description, in order to make the reader understand the application better many ins and outs have been proposed.But, persons of ordinary skill in the art may appreciate that even without these ins and outs with based on many variations and the modification of following each embodiment, also can realize each claim of the application technical scheme required for protection.
For making the purpose, technical solutions and advantages of the present invention clearer, 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 is implanted positor.
Specifically, as shown in Figure 1, this femoral interlocking nail is implanted positor and is comprised: guide pin 10, head rod 4, the second connecting rod 5, be placed on guiding device 1 in the marrow of fracture near-end and be placed on the lifting rod of fracture far-end.
Lifting rod is used for the control fracture far-end direction that resets, and this lifting rod comprises: horizontal lifting rod 2 and vertical lifting rod 3, and horizontal lifting rod 2 horizontal positioned, vertically lifting rod 3 is vertically placed.
Preferably, vertical lifting rod 3 vertically penetrates the first fixing button 8, and both are threaded connection together, and the external thread length on the vertical lifting rod 3 is greater than the female thread in the first fixing button 8.
This is preferred embodiment a kind of, and in some other embodiment of the present invention, vertical lifting rod 3 and the mode that the first fixing button 8 also can adopt being connected of other and move are not limited to this a kind of mode.
Preferably, horizontal lifting rod 2 levels penetrate the second fixing button 9, and both are threaded connection together, and the external thread length on the horizontal lifting rod 2 is greater than the female thread in the second fixing button 9.
Same, this also is preferred embodiment a kind of, and in some other embodiment of the present invention, horizontal lifting rod 2 and the mode that the second fixing button 9 also can adopt being connected of other and move are not limited to this a kind of mode.
Preferably, on horizontal lifting rod 2 and the vertical lifting rod 3 scale is arranged all, scale is arranged on the lifting rod, can be in operation, determine more accurately the distance that need to lift, parking position accuracy.
It is matching used, simple to operate with the apparatus such as existing intramedullary pin that this femoral interlocking nail is implanted positor.
By guiding in the fracture near-end marrow, the fracture far-end then lifts by sagittal plain and two pieces of pulling nails of Coronal and resets, guiding fracture three-dimensional resets in femur marrow, by simple perspective, can be with the nearly far-end parking position accuracy of fracture and temporary fixed, make things convenient for inserting of the interior guide pin of marrow, simple to operate, have tight security and accuracy.
Break through traditional closed manual reduction, the biotic environment that reduces fracture end destroys, and operation safety increases greatly, reduces postoperative complication, and can significantly reduce the x-ray fluoroscopy amount, the protection doctor and patient.
Below, introduce in detail the using method that lower this femoral interlocking nail is implanted positor:
Fig. 2 is the fracture schematic diagram;
(1) at first, as shown in Figure 3, place guiding device in the marrow at the fracture near-end, control the direction that resets; Place lifting rod at the fracture far-end, the control fracture far-end direction that resets, and assist to reset.
(2) by regulating vertical lifting rod 3, vertical direction lifts the fracture far-end, as shown in Figure 4.Until will fracture far-end lift in the vertical direction to the fracture near-end in identical level height, as shown in Figure 5.
(3) horizontal lifting rod is installed, is carried out horizontal direction and lift, as shown in Figure 6.Far-end overlaps together with the fracture face of fracture near-end until will fracture, as shown in Figure 7.
(4) reduction of the fracture success, as shown in Figure 8.
(5) place guide pin by guiding device in the marrow, as shown in Figure 9.
(6) keep somewhere guide pin, pull out guiding device in the marrow, place smoothly at last the apparatuses such as intramedullary pin by guide pin.
Need to prove, in the claim and description of this patent, relational terms such as the first and second grades only is used for an entity or operation are separated with another entity or operating space, and not necessarily requires or hint and have the relation of any this reality or sequentially between these entities or the operation.And, term " comprises ", " comprising " or its any other variant are intended to contain comprising of nonexcludability, thereby not only comprise those key elements so that comprise process, method, article or the equipment of a series of key elements, but also comprise other key elements of clearly not listing, or also be included as the intrinsic key element of this process, method, article or equipment.In the situation that not more restrictions, the key element that " comprises " and limit by statement, and be not precluded within process, method, article or the equipment that comprises described key element and also have other identical element.
Although pass through with reference to some of the preferred embodiment of the invention, the present invention is illustrated and describes, but those of ordinary skill in the art should be understood that and can do various changes 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 is implanted positor, it is characterized in that, comprising: guide pin (10), head rod (4), the second connecting rod (5), be placed on guiding device (1) in the marrow of fracture near-end and be placed on the lifting rod of the far-end of fracturing;
Guiding device (1) is fixed on the head rod (4) in the described marrow, is used for controlling the direction that resets; Guiding device (4) is hollow cylindrical in this marrow, and the external diameter of this hollow cylinder is less than the internal diameter of described femoral cavity, and the internal diameter of hollow cylinder is greater than the diameter of described guide pin (10);
Described lifting rod is used for the control fracture far-end direction that resets, and this lifting rod comprises: horizontal lifting rod (2) and vertical lifting rod (3), horizontal lifting rod (2) horizontal positioned, the vertically placement of vertical lifting rod (3);
Horizontal concrete chute (6) and vertical chute (7) are arranged on described the second connecting rod (5);
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) links together with described the first fixing button (8), and vertical lifting rod (3) can move with respect 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) links together with described the second fixing button (9), and horizontal lifting rod (2) can move with respect 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 that is parallel to horizontal plane is horizontal direction, are vertical direction perpendicular to the direction of horizontal plane.
2. femoral interlocking nail according to claim 1 is implanted positor, it is characterized in that, described vertical lifting rod (3) vertically penetrates described the first fixing button (8), both are threaded connection together, and the external thread length on the vertical lifting rod (3) is greater than the female thread in the first fixing button (8);
Described horizontal lifting rod (2) level penetrates described the second fixing button (9), and both are threaded connection together, and the external thread length on the horizontal lifting rod (2) is greater than the female thread in the second fixing button (9).
3. femoral interlocking nail according to claim 2 is implanted positor, it is characterized in that, on described horizontal lifting rod (2) and the vertical lifting rod (3) scale is arranged all.
4. femoral interlocking nail according to claim 3 is implanted positor, it is characterized in that, this femoral interlocking nail is implanted positor and is used in conjunction with existing intramedullary pin.
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 true CN103006310A (en) | 2013-04-03 |
| CN103006310B 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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| CN (1) | CN103006310B (en) |
Cited By (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 |
| CN107616832A (en) * | 2017-11-20 | 2018-01-23 | 陈聚伍 | Femoral interlocking nail position adjustment and method of adjustment |
| 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 |
| 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 |
| 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 |
| CN110495944A (en) * | 2019-09-20 | 2019-11-26 | 杨春 | A kind of femoral interlocking nail guid needle finder |
Citations (7)
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| 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 |
| US20090048598A1 (en) * | 2006-01-27 | 2009-02-19 | 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 |
| 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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2012
- 2012-11-20 CN CN201210473477.2A patent/CN103006310B/en not_active Expired - Fee Related
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
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| 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 |
| US20090048598A1 (en) * | 2006-01-27 | 2009-02-19 | Smith & Nephew, Inc | Assemblies for the reduction of a fracture |
| CN201160887Y (en) * | 2008-02-15 | 2008-12-10 | 上海市第六人民医院 | Backbone bone fracture closing restorer |
| US20090299376A1 (en) * | 2008-05-27 | 2009-12-03 | Martinez Jaime E | Sensing Device for Medical Procedure |
| 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 |
Cited By (7)
| 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 |
| CN107616832A (en) * | 2017-11-20 | 2018-01-23 | 陈聚伍 | Femoral interlocking nail position adjustment and method of adjustment |
| 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 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103006310B (en) | 2015-04-29 |
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