CN105534589A - Push rod for connecting and placing in-vitro positioning plate and subcutaneous bone fracture plate - Google Patents
Push rod for connecting and placing in-vitro positioning plate and subcutaneous bone fracture plate Download PDFInfo
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- CN105534589A CN105534589A CN201510886228.XA CN201510886228A CN105534589A CN 105534589 A CN105534589 A CN 105534589A CN 201510886228 A CN201510886228 A CN 201510886228A CN 105534589 A CN105534589 A CN 105534589A
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- push rod
- plate
- rod
- hone lamella
- external location
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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
- A61B17/92—Impactors or extractors, e.g. for removing 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
- 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
- A61B17/68—Internal fixation devices, including fasteners and spinal fixators, even if a part thereof projects from the skin
- A61B17/80—Cortical plates, i.e. bone plates; Instruments for holding or positioning cortical plates, or for compressing bones attached to cortical plates
- A61B17/808—Instruments for holding or positioning bone plates, or for adjusting screw-to-plate locking mechanisms
-
- 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
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- Health & Medical Sciences (AREA)
- Orthopedic Medicine & Surgery (AREA)
- Surgery (AREA)
- Life Sciences & Earth Sciences (AREA)
- Heart & Thoracic Surgery (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Medical Informatics (AREA)
- Molecular Biology (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Neurology (AREA)
- Surgical Instruments (AREA)
Abstract
The invention provides a push rod for connecting and placing an in-vitro positioning plate and a subcutaneous bone fracture plate, belonging to the technical field of medical apparatus and instruments for the department of orthopaedics, and used for placing and positioning the bone fracture plate in the minimally invasive surgery. The technical scheme is as follows: the in-vitro positioning plate and the subcutaneous bone fracture plate are correspondingly connected through a connecting structure of a push rod body, and are accurately aligned by selecting different clamp pins and clamping grooves, and the inclination angle of a connector at the lower end of the push rod can be adjusted through a cardan shaft. The push rod is simple in structure and convenient to operate, and is efficient and practical, the in-vitro positioning plate and the subcutaneous bone fracture plate can be integrally placed at a preset position of the subcutaneous bone fracture plate by using the push rod, and kirschner wires and fixing screws are accurately implanted to the subcutaneous bone fracture plate for fixing through the in-vitro positioning plate. The technical scheme belongs to an innovation for the placing method of the in-vitro positioning plate and the subcutaneous bone fracture plate, the difficulties that the in-vitro positioning plate and the subcutaneous bone fracture plate are inaccurate in alignment and inconvenient to place are solved, the operation time is saved, and the efficiency of the minimally invasive surgery is improved.
Description
Technical field
The present invention relates to the push rod device in a kind of Minimally Invasive Surgery, blade plate being inserted location, belong to orthopedic medical device technical field.
Background technology
In the operation of orthopaedics therapy fracture, Interal fixation is common Fracture internal fixaiion method, and Interal fixation comprises reconstruction plate, dissection armor plate, hook plate etc., wherein common with dissection armor plate.Now widely used blade plate is steel plate or the titanium lath of arced terminus, it is arranged with multiple implantation nail fixing hole.In use find, after blade plate being inserted the subcutaneous wound of patient, often there is deviation in location also fixation bone fracture plate, not only surgical effect is affected, and also add the misery of patient.For the limitation of normal bone plate and implanted prosthetics, healthcare givers and scientific research personnel have carried out large quantifier elimination and improvement to blade plate, achieve good effect, China Patent No. 200920103620.2, 201020223842.0 individually disclose a kind of self-align micro wound coaptation plate and a kind of stress dispersion blade plate, use above-mentioned blade plate when subcutaneous storing blade plate minimally-invasive treatment long bone shaft fracture, skin is outer to be connected with the two ends of notch graft hone lamella with the trench structure of identical blade plate by two ends, for interim locating pin hole site and put nail direction, the blade plate of subcutaneous storing during operation technique can be avoided to slide or move simultaneously.The blade plate of this structure is applied to and clinically achieves good effect, but still Shortcomings, main problem is that notch graft hone lamella is connected with the blade plate playing skin outside fix effect and only relies on Kirschner wire to carry out while locating, connect insecure, be easy to misplace, the phenomenon such as displacement, the operation for the hold-down screw continued causes very large difficulty, even cannot carry out, not only delay operating time, also may produce the unstable serious consequence of plate fixation.In order to make notch graft hone lamella in Minimally Invasive Surgery be connected firmly with the blade plate playing skin outside fix effect, to reach the effect of accurate positioning, be extremely necessary the technical barrier developing new device and technology solution existence.
Summary of the invention
Technical problem to be solved by this invention is to provide one and is connected with notch graft hone lamella by external location-plate and inserts push rod, this connection and insert push rod and notch graft hone lamella and skin outside fix blade plate can be linked together, notch graft hone lamella can insert hypodermic tunnel fast, utilize skin outside fix blade plate screw screw that is quick, accurately location notch graft hone lamella, insert the fixing fracture of screw.
The technical scheme solved the problems of the technologies described above is:
External location-plate is connected with notch graft hone lamella and inserts push rod by one, the body of rod of push rod is stock, the body of rod of push rod is placed along the length direction of notch graft hone lamella, there is bottom-up angle of inclination in the body of rod of push rod and the plate face of notch graft hone lamella, the lower end of push rod has the union joint of bending and notch graft hone lamella to be grafting or is threaded, have syndeton to be connected with external location-plate in the middle part of the body of rod of push rod, handle is inserted in the upper end of push rod.
Above-mentionedly be connected with notch graft hone lamella by external location-plate and insert push rod, the described union joint of push rod lower end is connected by universal drive shaft with the junction of the body of rod, and universal drive shaft has locking device.
Above-mentionedly external location-plate is connected with notch graft hone lamella and inserts push rod, syndeton in the middle part of the body of rod of described push rod is that the both sides of the body of rod have multiple outwardly directed bayonet lock respectively, multiple bayonet lock arranges along push rod length direction, bayonet lock is vertical with the body of rod of push rod, and the both sides of the edge of external location-plate are embedded in the gap of adjacent bayonet lock respectively.
Above-mentionedly external location-plate is connected with notch graft hone lamella and inserts push rod, syndeton in the middle part of the body of rod of described push rod is that the both sides of the body of rod have multiple inside draw-in groove respectively, multiple draw-in groove arranges along push rod length direction, draw-in groove is vertical with the body of rod of push rod, external location-plate both sides of the edge be embedded in respectively in draw-in groove.
Above-mentionedly be connected with notch graft hone lamella by external location-plate and insert push rod, the bayonet lock of described push rod or the bottom body of rod of draw-in groove have the elongated slot of hollow, and the diameter of the width of elongated slot and the hold-down screw of notch graft hone lamella matches.
The invention has the beneficial effects as follows:
External location-plate of the present invention connects by the syndeton of the push rod body of rod is corresponding with notch graft hone lamella, select different bayonet locks or draw-in groove can make external location-plate and notch graft hone lamella accurate contraposition, the union joint of push rod lower end can regulate angle of inclination by universal drive shaft, and the hold-down screw that the hollow elongated slot in the middle part of push rod can be fixed notch graft hone lamella is easily implanted.
Structure of the present invention is simple, easy to operate, highly effective, push rod top can make external location-plate and notch graft hone lamella accurate contraposition, use push rod external location-plate and notch graft hone lamella entirety can be placed to notch graft hone lamella precalculated position, and by external location-plate accurately Kirschner wire is implanted to notch graft hone lamella and hold-down screw is fixed.
The present invention is the innovation of external location-plate and notch graft hone lamella implantation mode, solving external location-plate and the inaccurate difficult problem with inserting inconvenience of notch graft hone lamella para-position, decreasing operating time, improve the efficiency of Minimally Invasive Surgery.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention;
Fig. 2 is another kind of structural representation of the present invention;
Fig. 3 is another kind of structural representation of the present invention;
Fig. 4 is another kind of structural representation of the present invention.
In figure, labelling is as follows: push rod 1, union joint 2, handle 3, universal drive shaft 4, bayonet lock 5, draw-in groove 6, elongated slot 7, lateral bending 8, external location-plate 9, notch graft hone lamella 10, external location board slot 11, notch graft hone lamella groove 12, jack 13, screw 14.
Detailed description of the invention
The present invention is that notch graft hone lamella 10 is pushed into synthetism position along the length direction of long bone by push rod 1, keep external location-plate 9 synchronizing moving above notch graft hone lamella 10 simultaneously, after arriving synthetism position, fix notch graft hone lamella 10 by the accurate location of external location-plate 9.
Show in figure, the external location-plate 9 that the present invention uses and notch graft hone lamella 10 are elongated plates face, the external location board slot 11 along plate face length direction and notch graft hone lamella groove 12 is had at the two ends in plate face, locate in vitro on the plate face between board slot 11 and notch graft hone lamella groove 12 and have screw 14, screw 14 is fixed long bone for hold-down screw.External location-plate 9 is identical with notch graft hone lamella 10 shape, and external location board slot 11, notch graft hone lamella groove 12 are identical with the position of screw 14, so that can by external location-plate 9 accurately fixing notch graft hone lamella 10 after inserting notch graft hone lamella 10.
Show in figure, the body of rod of push rod 1 is stock, the body of rod of push rod 1 is placed along the length direction of notch graft hone lamella 10, there is bottom-up angle of inclination in the body of rod of push rod 1 and the plate face of notch graft hone lamella 10, the union joint 2 that there is bending the lower end of push rod 1 is connected with the notch graft hone lamella 10 of inserting, have syndeton to be connected with external location-plate 9 in the middle part of the body of rod of push rod 1, handle 3 is inserted in the upper end of push rod 1.
Show in figure, the union joint 2 of push rod 1 lower end is connected by universal drive shaft 4 with the junction of the body of rod, and universal drive shaft 4 has locking device.Adopt universal drive shaft 4 can adjust the angle of inclination of push rod 1, locking after adjustment, accurate contraposition when being connected with notch graft hone lamella 10 to make external location-plate 9.
Show in figure, union joint 2 and the notch graft hone lamella 10 of push rod 1 lower end adopt jack 13 to be connected, the notch graft hone lamella 10 of the end of notch graft hone lamella groove 12 there is jack 13, the front end of union joint 2 is inserted in jack 13, jack 13 connection can adopt unthreaded hole directly to insert connected mode, also can adopt thread connecting mode, have screw thread to match at jack 13 inwall and union joint 2 front end, two kinds of connected modes are compared, and are threaded more firm.
Show in figure, the body of rod of push rod 1 is connected by bayonet lock 5 or draw-in groove 6 with external location-plate 9.Its syndeton is that the body of rod both sides of push rod 1 have multiple outside bayonet lock 5 or inside draw-in groove 6 respectively, multiple bayonet lock 5 or draw-in groove 6 arrange along push rod 1 length direction, bayonet lock 5 or draw-in groove 6 vertical with the body of rod of push rod 1, external location-plate 9 both sides of the edge be embedded in respectively in gap between two bayonet locks 5 or draw-in groove 6.
Show in Fig. 1, when push rod 1 is common straight-bar, due to blocking of push rod 1, implant hold-down screw downwards from external location-plate 9 to fix notch graft hone lamella 10 and can only carry out from the other end of external location-plate 9, and then fix this one end, therefore the present invention also has the bar structure of other several push rods 1.
Fig. 2,3,4 displays, the body of rod of push rod 1 changes, and the body of rod of push rod 1 has the elongated slot 7 of hollow on the bottom body of rod of bayonet lock 5 or draw-in groove 6, or the body of rod has outside bending, or the body of rod has the groove of other shapes.The diameter of the width of these grooves and the hold-down screw of fixing notch graft hone lamella 10 matches.After adopting these structures, after notch graft hone lamella 10 is inserted and put in place by push rod 1, directly can implant hold-down screw downwards from the external location board slot 11 of external location-plate 9, the body of rod of push rod 1 can not play the effect of blocking.
Use procedure of the present invention is as follows:
The union joint 2 of push rod 1 lower end is connected with the jack 13 of notch graft hone lamella 10, in the bayonet lock 5 again board slot 11 both sides of the edge, external location of external location-plate 9 being inserted into the body of rod both sides of push rod 1 or draw-in groove 6, adjusted the angle of push rod 1 by the universal drive shaft 4 of push rod 1 lower end simultaneously, make external location-plate 9 and notch graft hone lamella 10 para-position, then lock universal drive shaft 4, external location-plate 9 has been fixedly connected with notch graft hone lamella 10.
Hold handle 3 above push rod 1 and notch graft hone lamella 10 is pushed into synthetism position along the length direction of long bone, keep external location-plate 9 synchronizing moving above notch graft hone lamella 10 simultaneously, after arriving synthetism position, hold-down screw is implanted downwards, accurately the fixing notch graft hone lamella 10 in location by the external location board slot 11 of external location-plate 9.
Claims (5)
1. external location-plate to be connected with notch graft hone lamella and to insert push rod by one kind, it is characterized in that: the body of rod of push rod (1) is stock, the body of rod of push rod (1) is placed along the length direction of notch graft hone lamella (10), there is bottom-up angle of inclination in the body of rod of push rod (1) and the plate face of notch graft hone lamella (10), the lower end of push rod (1) has the union joint of bending (2) and notch graft hone lamella (10) for grafting or is threaded, have syndeton to be connected with external location-plate (9) in the middle part of the body of rod of push rod (1), handle (3) is inserted in the upper end of push rod (1).
2. according to claim 1ly external location-plate be connected with notch graft hone lamella and insert push rod, it is characterized in that: the union joint (2) of described push rod (1) lower end is connected by universal drive shaft (4) with the junction of the body of rod, and (4) have locking device to universal drive shaft.
3. according to claim 2ly external location-plate is connected with notch graft hone lamella and inserts push rod, it is characterized in that: the syndeton in the middle part of the body of rod of described push rod (1) is that the both sides of the body of rod have multiple outwardly directed bayonet lock (5) respectively, multiple bayonet lock (5) arranges along push rod (1) length direction, bayonet lock (5) is vertical with the body of rod of push rod (1), and the both sides of the edge of external location-plate (9) are embedded in the gap of adjacent bayonet lock (5) respectively.
4. according to claim 2ly external location-plate is connected with notch graft hone lamella and inserts push rod, it is characterized in that: the syndeton in the middle part of the body of rod of described push rod (1) is that the both sides of the body of rod have multiple inside draw-in groove (6) respectively, multiple draw-in groove (6) arranges along push rod (1) length direction, draw-in groove (6) is vertical with the body of rod of push rod (1), external location-plate (9) both sides of the edge be embedded in respectively in draw-in groove (6).
5. external location-plate is connected with notch graft hone lamella and inserts push rod according to claim 3 or 4, it is characterized in that: the bayonet lock (5) of described push rod (1) or the bottom body of rod of draw-in groove (6) have the elongated slot (7) of hollow, and the diameter of the width of elongated slot (7) and the hold-down screw of notch graft hone lamella (10) matches.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510886228.XA CN105534589B (en) | 2015-12-07 | 2015-12-07 | A kind of push rod external location-plate being connected with notch graft hone lamella and inserting |
| PCT/CN2016/076873 WO2017096730A1 (en) | 2015-12-07 | 2016-03-21 | Bone plate assembly for minimally invasive surgery in orthopedics |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510886228.XA CN105534589B (en) | 2015-12-07 | 2015-12-07 | A kind of push rod external location-plate being connected with notch graft hone lamella and inserting |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105534589A true CN105534589A (en) | 2016-05-04 |
| CN105534589B CN105534589B (en) | 2016-10-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510886228.XA Active CN105534589B (en) | 2015-12-07 | 2015-12-07 | A kind of push rod external location-plate being connected with notch graft hone lamella and inserting |
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| Country | Link |
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| CN (1) | CN105534589B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107874826A (en) * | 2017-12-07 | 2018-04-06 | 何启新 | It is a kind of percutaneously to position the minimally invasive internal fixation steel plate screw withdrawing device of orthopaedics and its application method |
| CN109964994A (en) * | 2017-12-28 | 2019-07-05 | 安徽省卓创信息科技服务有限公司 | A kind of clamp system of fish processing |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20090204121A1 (en) * | 2008-02-13 | 2009-08-13 | Cesare Cavallazzi | Drill Sleeve |
| CN201316312Y (en) * | 2008-12-17 | 2009-09-30 | 安阳钢铁集团有限责任公司 | Bone plate fixer |
| CN201612684U (en) * | 2010-02-04 | 2010-10-27 | 常州康鼎医疗器械有限公司 | Bone plate holding forceps |
| CN103239284A (en) * | 2013-04-16 | 2013-08-14 | 刘毅 | Bone fracture plate screw positioning device |
| CN203763219U (en) * | 2014-03-18 | 2014-08-13 | 闻泰医疗科技（上海）有限公司 | Straight bone fracture plate device for minimally invasive surgery |
| US20150025582A1 (en) * | 2009-10-30 | 2015-01-22 | DePuy Synthes Products, LLC | Bone plate holder |
| CN205181465U (en) * | 2015-12-07 | 2016-04-27 | 张英泽 | With external locating plate and notch graft hone lamella be connected with push rod of putting into |
-
2015
- 2015-12-07 CN CN201510886228.XA patent/CN105534589B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20090204121A1 (en) * | 2008-02-13 | 2009-08-13 | Cesare Cavallazzi | Drill Sleeve |
| CN201316312Y (en) * | 2008-12-17 | 2009-09-30 | 安阳钢铁集团有限责任公司 | Bone plate fixer |
| US20150025582A1 (en) * | 2009-10-30 | 2015-01-22 | DePuy Synthes Products, LLC | Bone plate holder |
| CN201612684U (en) * | 2010-02-04 | 2010-10-27 | 常州康鼎医疗器械有限公司 | Bone plate holding forceps |
| CN103239284A (en) * | 2013-04-16 | 2013-08-14 | 刘毅 | Bone fracture plate screw positioning device |
| CN203763219U (en) * | 2014-03-18 | 2014-08-13 | 闻泰医疗科技（上海）有限公司 | Straight bone fracture plate device for minimally invasive surgery |
| CN205181465U (en) * | 2015-12-07 | 2016-04-27 | 张英泽 | With external locating plate and notch graft hone lamella be connected with push rod of putting into |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107874826A (en) * | 2017-12-07 | 2018-04-06 | 何启新 | It is a kind of percutaneously to position the minimally invasive internal fixation steel plate screw withdrawing device of orthopaedics and its application method |
| CN109964994A (en) * | 2017-12-28 | 2019-07-05 | 安徽省卓创信息科技服务有限公司 | A kind of clamp system of fish processing |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105534589B (en) | 2016-10-05 |
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