CN107874826A - It is a kind of percutaneously to position the minimally invasive internal fixation steel plate screw withdrawing device of orthopaedics and its application method - Google Patents
It is a kind of percutaneously to position the minimally invasive internal fixation steel plate screw withdrawing device of orthopaedics and its application method Download PDFInfo
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- CN107874826A CN107874826A CN201711359945.2A CN201711359945A CN107874826A CN 107874826 A CN107874826 A CN 107874826A CN 201711359945 A CN201711359945 A CN 201711359945A CN 107874826 A CN107874826 A CN 107874826A
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- steel plate
- arm
- orthopaedics
- minimally invasive
- internal fixation
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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
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- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Orthopedic Medicine & Surgery (AREA)
- Surgery (AREA)
- Biomedical Technology (AREA)
- Engineering & Computer Science (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Heart & Thoracic Surgery (AREA)
- Medical Informatics (AREA)
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- Surgical Instruments (AREA)
Abstract
The invention discloses a kind of percutaneous positioning minimally invasive internal fixation steel plate screw withdrawing device of orthopaedics, including the liter arm and inner arm being connected by turning joint, described liter of brachium 15cm, front end is provided with an annular ring with opening, it is easy to sharp knife to stretch into, described inner arm one end is rotatably connected by turning joint and the tail end of described liter of arm, and the other end is inwardly formed a crotch, a diameter of 2mm of the inner arm, its horizontal section length are 15cm.Skin upper shed of the present invention in position corresponding to steel plate one end, then the positioning of the nut position on steel plate is realized by inner arm, skin is cut in the position of nut according to positioning result, screw is taken out by tunnel, after completing all screws taking-up work, steel plate can be extracted out from above-mentioned opening, it is achieved thereby that minimizing wound while steel plate is taken out.
Description
Technical field
The present invention relates to medical instruments field, and in particular to a kind of minimally invasive internal fixation steel plate screw of percutaneous positioning orthopaedics takes out
Device and its application method.
Background technology
Fracture is that the integrality of phalanges and continuity are interrupted.It is obvious for shifting at present, need row open reduction and Kirschner wire fixation
Patient, generally all it is that replacement and fixation is carried out to the bone piece of fracture site by steel plate, screw so that the bone piece of dislocation is in steel plate spiral shell
It is closely joined together in the presence of nail system, grows new bone by prolonged postoperative growth, the bone piece of fracture afterwards
Scab, heal into again together.Generally require to take out inside-fixture between Ineffective internal fixation 1-2, to avoid rejection etc..
Traditional steel plate removal surgery needs to cut the length that skin ranges are approximately equal to steel plate, same being caused suffering to patient
When can undoubtedly increase wound and extend patient's later stage recovers required for time.
The content of the invention
To solve the above problems, the invention provides a kind of percutaneous positioning minimally invasive internal fixation steel plate screw withdrawing device of orthopaedics
And its application method, while convenient steel plate takes out wound is minimized, so as to be advantageous to the recovery in patient's later stage.
To achieve the above object, the technical scheme taken of the present invention is：
A kind of percutaneous positioning minimally invasive internal fixation steel plate screw withdrawing device of orthopaedics, including the liter arm being connected by turning joint
And inner arm, described liter of brachium 15cm, front end are provided with an annular ring with opening, are easy to sharp knife to stretch into, described inner arm one end passes through
Turning joint and the tail end of described liter of arm are rotatably connected, and the other end is inwardly formed a crotch, a diameter of 2mm of the inner arm,
Its horizontal section length is 15cm.
Preferably, described liter of arm lengths are 15cm, and the minimum diameter of its sleeve pipe is 6mm.
Preferably, the length of the crotch is 3mm, and its front end is tip.
Preferably, the width of the opening of annular ring is 1m.
Preferably, described liter of arm, inner arm, annular ring, turning joint and crotch use stainless steel 304 material.
Preferably, the turning joint uses rotating shaft.
Preferably, the junction of two neighboring sleeve pipe is provided with stopper slot and the limited block being engaged with stopper slot, the limit
Position groove is arranged on the internal surface of sleeve pipe in outside, and the limited block is arranged on the sleeve outer wall of inner side.
Skin upper shed of the invention in position corresponding to steel plate one end, the nut position on steel plate is then realized by inner arm
The positioning put, then cut skin according to positioning result, you can screw is taken out by tunnel, work is taken out completing all screws
Afterwards, you can extract steel plate from above-mentioned opening out, it is achieved thereby that minimizing wound while steel plate is taken out.
Brief description of the drawings
Fig. 1 is a kind of structural representation of the percutaneous positioning minimally invasive internal fixation steel plate screw withdrawing device of orthopaedics of the embodiment of the present invention
Figure.
Fig. 2 is using state structure diagram of the embodiment of the present invention.
Fig. 3 is the operation principle schematic diagram of the embodiment of the present invention.
Embodiment
In order that objects and advantages of the present invention are more clearly understood, the present invention is carried out with reference to embodiments further
Describe in detail.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, it is not used to limit this hair
It is bright.
As Figure 1-Figure 2, the embodiments of the invention provide a kind of percutaneous positioning minimally invasive internal fixation steel plate screw of orthopaedics to take
Go out device, including the liter arm 1 and inner arm 2 being connected by turning joint 3, front end is provided with an annular ring 4 with opening, is easy to sharp knife
Stretch into, described inner arm one end is rotatably connected by turning joint and the tail end of described liter of arm, and the other end is inwardly formed a crotch
5, a diameter of 2mm of the inner arm, its horizontal section length are 15cm, and described liter of arm lengths are 15cm, and in the minimum of its sleeve pipe
Footpath is 6mm, and the length of the crotch is 3mm, and its front end is tip, and the width of the opening of annular ring is 1mm, the liter
Arm, inner arm, annular ring, turning joint and crotch use stainless steel 304 material, and the turning joint uses rotating shaft, and the work
Movable joint is provided with locking structure, and to cause inner arm and liter arm affixed at an angle, the junction of two neighboring sleeve pipe is provided with
Stopper slot and the limited block being engaged with stopper slot, the stopper slot are arranged on the internal surface of sleeve pipe in outside, and the limited block is set
On the sleeve outer wall of inner side.
As shown in figure 3, this specific implementation is in use, skin upper shed in position corresponding to steel plate one end, passes through stripping
Device peels off surface of steel plate, and then inner arm is inserted in skin from the opening, during inner arm is fed, need to ensure crotch and steel
Plate offsets, once crotch feeler inspection will be unable to feed to nut, inner arm, now, stops the feeding operation of inner arm, former using compasses
Reason, the sites of nut are accurately can determine that by liter arm, then cut skin according to positioning result, spiral shell is taken out by tunnel
Nail, after the completion of, continue inner arm feeding operation, until feeler inspection repeats aforesaid operations and carry out all spiral shells to the position of next nut
The taking-up of nail, after all screws take, you can extract steel plate from opening out.
Described above is only the preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
For member, under the premise without departing from the principles of the invention, some improvements and modifications can also be made, these improvements and modifications also should
It is considered as protection scope of the present invention.
Claims (8)
1. a kind of percutaneous positioning minimally invasive internal fixation steel plate screw withdrawing device of orthopaedics, it is characterised in that including passing through turning joint
Connected liter arm and inner arm, described liter of brachium 15cm, front end are provided with an annular ring with opening, are easy to sharp knife to stretch into, described interior
Arm one end is rotatably connected by turning joint and the tail end of described liter of arm, and the other end is inwardly formed a crotch, the inner arm
A diameter of 2mm, its horizontal section length are 15cm.
A kind of 2. percutaneous positioning minimally invasive internal fixation steel plate screw withdrawing device of orthopaedics as claimed in claim 1, it is characterised in that
The minimum diameter of described liter of arm sleeve pipe is 6mm.
A kind of 3. percutaneous positioning minimally invasive internal fixation steel plate screw withdrawing device of orthopaedics as claimed in claim 1, it is characterised in that
The length of the crotch is 3mm, and its front end is tip.
A kind of 4. percutaneous positioning minimally invasive internal fixation steel plate screw withdrawing device of orthopaedics as claimed in claim 1, it is characterised in that
The width of the opening of annular ring is 1mm.
A kind of 5. percutaneous positioning minimally invasive internal fixation steel plate screw withdrawing device of orthopaedics as claimed in claim 1, it is characterised in that
Described liter of arm, inner arm, annular ring, turning joint and crotch use stainless steel 304 material.
A kind of 6. percutaneous positioning minimally invasive internal fixation steel plate screw withdrawing device of orthopaedics as claimed in claim 1, it is characterised in that
The turning joint uses rotating shaft.
A kind of 7. percutaneous positioning minimally invasive internal fixation steel plate screw withdrawing device of orthopaedics as claimed in claim 1, it is characterised in that
The junction of two neighboring sleeve pipe is provided with stopper slot and the limited block being engaged with stopper slot, and the stopper slot is arranged on outside
On internal surface of sleeve pipe, the limited block is arranged on the sleeve outer wall of inner side.
8. a kind of percutaneous positioning minimally invasive internal fixation steel plate screw withdrawing device of orthopaedics as described in claim any one of 1-7 makes
With method, it is characterised in that comprise the following steps：
Skin upper shed in position corresponding to steel plate one end, peel off surface of steel plate and insert inner arm in skin from the opening,
During inner arm is fed, it need to ensure that crotch offsets with steel plate, once crotch feeler inspection will be unable to feed to nut, inner arm, now,
Stop the feeding operation of inner arm, using compasses principle, the sites of nut are can determine that by liter arm positioning, then according to fixed
Position result cuts skin, you can screw is taken out by tunnel, after the completion of, continue inner arm feeding operation, until feeler inspection is to next
The position of nut, repeat aforesaid operations and carry out the taking-ups of all screws, after all screws take, you can by steel plate from opening
Extract out at place.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711359945.2A CN107874826A (en) | 2017-12-07 | 2017-12-07 | It is a kind of percutaneously to position the minimally invasive internal fixation steel plate screw withdrawing device of orthopaedics and its application method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711359945.2A CN107874826A (en) | 2017-12-07 | 2017-12-07 | It is a kind of percutaneously to position the minimally invasive internal fixation steel plate screw withdrawing device of orthopaedics and its application method |
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| Publication Number | Publication Date |
|---|---|
| CN107874826A true CN107874826A (en) | 2018-04-06 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711359945.2A Pending CN107874826A (en) | 2017-12-07 | 2017-12-07 | It is a kind of percutaneously to position the minimally invasive internal fixation steel plate screw withdrawing device of orthopaedics and its application method |
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| CN (1) | CN107874826A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108703801A (en) * | 2018-06-15 | 2018-10-26 | 中国人民解放军陆军军医大学第附属医院 | It is a kind of percutaneously to position the minimally invasive internal fixation steel plate screw withdrawing device of orthopaedics and method |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU1502016A1 (en) * | 1987-09-15 | 1989-08-23 | Киевский научно-исследовательский институт ортопедии | Tendoextractor |
| CN101342088A (en) * | 2007-07-11 | 2009-01-14 | 南京医科大学附属南京第一医院 | Internal fixation screw positioner |
| CN201230903Y (en) * | 2007-12-06 | 2009-05-06 | 张玉岩 | Scar stripper around steel-plate |
| US20090287220A1 (en) * | 2007-11-15 | 2009-11-19 | Cbrk Enterprises | Percutaneous screw extractor |
| CN202161404U (en) * | 2011-07-25 | 2012-03-14 | 吉林大学 | Minimally invasive plate taking device |
| CN103239284A (en) * | 2013-04-16 | 2013-08-14 | 刘毅 | Bone fracture plate screw positioning device |
| CN205019154U (en) * | 2015-08-20 | 2016-02-10 | 武汉科技大学附属天佑医院 | Steel sheet takes out hook and apparatus subassembly for orthopedics |
| CN105534589A (en) * | 2015-12-07 | 2016-05-04 | 张英泽 | Push rod for connecting and placing in-vitro positioning plate and subcutaneous bone fracture plate |
-
2017
- 2017-12-07 CN CN201711359945.2A patent/CN107874826A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU1502016A1 (en) * | 1987-09-15 | 1989-08-23 | Киевский научно-исследовательский институт ортопедии | Tendoextractor |
| CN101342088A (en) * | 2007-07-11 | 2009-01-14 | 南京医科大学附属南京第一医院 | Internal fixation screw positioner |
| US20090287220A1 (en) * | 2007-11-15 | 2009-11-19 | Cbrk Enterprises | Percutaneous screw extractor |
| CN201230903Y (en) * | 2007-12-06 | 2009-05-06 | 张玉岩 | Scar stripper around steel-plate |
| CN202161404U (en) * | 2011-07-25 | 2012-03-14 | 吉林大学 | Minimally invasive plate taking device |
| CN103239284A (en) * | 2013-04-16 | 2013-08-14 | 刘毅 | Bone fracture plate screw positioning device |
| CN205019154U (en) * | 2015-08-20 | 2016-02-10 | 武汉科技大学附属天佑医院 | Steel sheet takes out hook and apparatus subassembly for orthopedics |
| CN105534589A (en) * | 2015-12-07 | 2016-05-04 | 张英泽 | Push rod for connecting and placing in-vitro positioning plate and subcutaneous bone fracture plate |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108703801A (en) * | 2018-06-15 | 2018-10-26 | 中国人民解放军陆军军医大学第附属医院 | It is a kind of percutaneously to position the minimally invasive internal fixation steel plate screw withdrawing device of orthopaedics and method |
| CN108703801B (en) * | 2018-06-15 | 2019-11-12 | 中国人民解放军陆军军医大学第一附属医院 | A kind of percutaneous positioning minimally invasive internal fixation steel plate screw withdrawing device of orthopaedics |
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Application publication date: 20180406 |