CN105559835A - Incision tissue retractor - Google Patents
Incision tissue retractor Download PDFInfo
- Publication number
- CN105559835A CN105559835A CN201610082168.0A CN201610082168A CN105559835A CN 105559835 A CN105559835 A CN 105559835A CN 201610082168 A CN201610082168 A CN 201610082168A CN 105559835 A CN105559835 A CN 105559835A
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- China
- Prior art keywords
- retractor
- incision
- incision tissue
- handle
- tie
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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
- A61B17/02—Surgical instruments, devices or methods, e.g. tourniquets for holding wounds open; Tractors
- A61B17/0218—Surgical instruments, devices or methods, e.g. tourniquets for holding wounds open; Tractors for minimally invasive surgery
-
- 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
- A61B17/70—Spinal positioners or stabilisers ; Bone stabilisers comprising fluid filler in an implant
-
- 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)
- Molecular Biology (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Medical Informatics (AREA)
- Engineering & Computer Science (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Neurology (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Surgical Instruments (AREA)
Abstract
The invention discloses an incision tissue retractor. The incision tissue retractor comprises a handle and an arc-shaped pull plate used for being inserted into a minimally invasive incision. Two elastic connecting arms which are arranged at an interval are arranged at one end of the handle, a U-type groove is formed between the two elastic connecting arms, and a bent connecting rod is fixedly connected to the arc-shaped pull plate and provided with a hinged part which is inserted into the U-type groove and hinged to the two elastic connecting arms through a bolt assembly in a locked mode. The incision tissue retractor is simple in structure, easy to manufacture, low in manufacturing cost and convenient to adjust, makes a minimally invasive operation operated under direct vision, and obviously improves the accuracy and convenience of the operation.
Description
Technical field
The present invention relates to bone surgery medical instruments field, be specifically related to a kind of incision tissue retractor.
Background technology
In surgical operation, after completing otch, usually to retract incision tissue, make patient carry out a series of operation technique under direct-view as far as possible, especially, in Minimally Invasive Surgery, how incision tissue effectively retracts to provide straightforward manipulation passage, on operation success and apparatus select impact very large.Fix advantage as pedicle screw instrumentation has three posts, be a kind of very ripe spine surgical technique, be widely used.Traditional method adopts way of escape otch open surgery, need extensively peel off the structure such as paraspinal muscle, ligament, easily causes paraspinal muscle to lose innervation, the sequela such as patient easily leaves over lumbar and back pain, stiff.This operation wound is large, hemorrhage many, and the hospital stays is long, increases patient's misery and financial burden.Minimal invasion was put pedicle nail bar system and was applied to clinical in recent years, and this nail rod internal fixation system can realize strutting of vertebral body, and reset, wound is little, loses blood few, recovers fast, obtains certain curative effect.In prior art, retract the drag hook of apparatus or arm-tie and handle and be generally fixed vertical angle or be fixed as a certain angle, angle can not be changed as required and fix certain angle at random.And cut-out direction and body surface are not fixed angle clinically, such as above-mentioned minimal invasion puts pedicle nail bar system, and the direction of each pedicle nail is not identical, and this just requires the angle of handle and arc arm-tie not only scalable but also can be relative fixing as required.Do not there is provided in the prior art effectively to retract after can be used for putting nail incision tissue retract the prerequisite of apparatus under, in said system, the selection of pedicle screw not only will consider screw intensity, also need the convenience considering operations, although the intensity of the solid pedicle screw of the strength ratio of hollow Pediculus arcus vertebrae screw is low by 30%, but it can provide the operating walk way of direct-view, vertebral fixity system of the prior art can only adopt hollow Universal vertebra arch root screw usually, preset length and the radian of rod, pedicle nail tail is made to extend to outside skin by arranging nail tail extension rod, carry out putting rod so that external, upper plug screw, finally fracture nail empennage.In operation, the spacing (strut vertebral body or pressurize) of adjustment pedicle nail is completed and strutted by the external extension rod that forces in or pressurize, because extension rod is longer, and pedicle nail limited separation, in addition hollow Universal vertebra arch root screw itself unavoidably there will be certain angle excursion, therefore the working place adjusting pedicle nail spacing is limited, and its point of application is away from rod, reset response power is less, this reset mode does not meet reset mechanics principle, can not well to pyramidal support or pressurization, cause movable axis pedicle screw poorer than the reset capability of fixed axis pedicle screw, put excellent difficulty large, easy offset failure, minimal invasion technology is made not reach the curative effect of open surgery.
Summary of the invention
The technical problem to be solved in the present invention is the deficiency overcoming prior art existence, there is provided a kind of structure simple, be easy to make, cost of manufacture is low, easy to adjust, carry out under making Minimally Invasive Surgery operate in direct-view, significantly improve the accuracy of operation and incision tissue's retractor of convenience.
For solving the problems of the technologies described above, the present invention by the following technical solutions:
A kind of incision tissue retractor, comprise handle and the arc arm-tie for inserting mini-incision, one end of handle is provided with two spaced apart resilient attachment arms, a U-type groove is formed between two resilient attachment arms, arc arm-tie is connected with the connecting rod of bending, connecting rod has articulated section, articulated section to be inserted in U-type groove and by bolt assembly with can locking mode and two resilient attachment arms hinged.
Above-mentioned incision tissue's retractor, preferably, it is the gear of turning cylinder that described articulated section is formed with jointed shaft, is provided with the tooth plate sliding and arrange, is provided with the holddown spring of resiliency urged tooth plate and gears meshing between handle and tooth plate in U-type groove.
Above-mentioned incision tissue's retractor, preferably, the bottom of described U-type groove is provided with counterbore, and holddown spring is installed in counterbore, and the two ends of holddown spring offset with the diapire of counterbore and tooth plate respectively.
Above-mentioned incision tissue's retractor, preferably, described handle is connected with the balance plate preventing incision tissue's retractor side from falling for being attached to skin surface, and described balance plate is provided with the catching parts with elasticity draw-in groove, and described handle is arranged in elasticity draw-in groove.
Above-mentioned incision tissue's retractor, preferably, the width of described arc arm-tie is greater than described broken long-armed width.
Above-mentioned incision tissue's retractor, preferably, described connecting rod is perpendicular to arc arm-tie.
Above-mentioned incision tissue's retractor, preferably, described incision tissue retractor is put pedicle nail bar system incision tissue for minimal invasion and is retracted.
Above-mentioned incision tissue's retractor, preferably, described arc arm-tie laminating pedicle screw inserts mini-incision.
Compared with prior art, the invention has the advantages that: incision tissue of the present invention retractor arc arm-tie and handle both can be fixed as a certain angle, angle can also be changed as required and be fixed into certain angle at random.After incision tissue retracts by its insertion mini-incision, its arc arm-tie and notch inner wall are fitted and handle and body surface are fitted, and this angle is fixed into by fixed part after completing above-mentioned laminating, otch passage is intuitively provided, surgical staff can under direct-view through mini-incision accurately complete put rod, on plug screw, put dilator, put twisting resistance spanner and the Micro-operation such as nail empennage etc. that fractures, greatly can improve accuracy and the convenience of operation.The structure of this incision tissue's retractor is simple, be easy to make, cost of manufacture is low, easy to adjust.
Accompanying drawing explanation
Fig. 1 is the main TV structure schematic diagram of incision tissue of the present invention retractor.
Fig. 2 is the plan structure schematic diagram of incision tissue of the present invention retractor.
Marginal data:
701, hands handle; 702, arc arm-tie; 703, resilient attachment arms; 704, connecting rod; 705, bolt assembly; 706, gear; 707, tooth plate; 708, holddown spring.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, the present invention is described in further detail.
As depicted in figs. 1 and 2, incision tissue of the present invention retractor, it is applied to minimal invasion and puts pedicle nail bar system incision tissue and retract.It arc arm-tie 702 comprising handle 701 and insert mini-incision for the broken long-armed outer surface of pedicle screw of fitting, one end of handle 701 is provided with two spaced apart resilient attachment arms 703, a U-type groove is formed between two resilient attachment arms 703, arc arm-tie 702 is connected with the connecting rod 704 of bending, connecting rod 704 has articulated section, articulated section to be inserted in U-type groove and by bolt assembly 705 with can locking mode and two resilient attachment arms 703 hinged.Specifically, two resilient attachment arms 703 are provided with coaxial through hole, articulated section is also provided with through hole, bolt assembly 705 is arranged in the through hole of two resilient attachment arms 703 and articulated section, when bolt assembly 705 is in and unscrews state, arc arm-tie 702 can rotate around jointed shaft, and then the angle between adjustment with handle 701, (in actual applications, the Pedicle Screw angle of each sections of vertebra is different, such as when pedicle of lumbar vertebra nail flare 20 degree, now the handle 701 of incision tissue's retractor and arc arm-tie 702 angulation are 70 degree, and another handle 701 is 110 degree with arc arm-tie 702 angulation, ) assembly 705 that tights a bolt after angle adjustment is good can make two resilient attachment arms 703 clamp the articulated section of connecting rod 704, angle between arc arm-tie 702 and handle 701 is fixed.During use, incision tissue can retract along the broken long-armed outer surface insertion mini-incision of pedicle screw by arc arm-tie 702.
In the present embodiment, it is the gear 706 of turning cylinder that articulated section is formed with jointed shaft, is provided with the tooth plate 707 sliding and arrange, is provided with the holddown spring 708 that resiliency urged tooth plate 707 engages with gear 706 between handle 701 with tooth plate 707 in U-type groove.Concrete, the bottom of U-type groove is provided with counterbore, and holddown spring 708 is installed in counterbore, and the two ends of holddown spring 708 offset with the diapire of counterbore and tooth plate 707 respectively.
Further, handle 701 also can be connected with the balance plate preventing incision tissue's retractor side from falling for being attached to skin surface, balance plate is provided with the catching parts with elasticity draw-in groove, and handle 701 is arranged in elasticity draw-in groove, and handle 701 and balance plate can carry out dismounting quickly and easily.By arranging balance plate, greatly can improve stability when incision tissue's retractor uses, helping with hands stable without the need to operator employee.
In the present embodiment, the width of arc arm-tie 702 is greater than the broken long-armed width of pedicle screw, and the length of arc arm-tie 702 can have multiple, to adapt to human body different situations.Connecting rod 704 is perpendicular to arc arm-tie 702.
The arm-tie of other apparatus drag hook current and handle are generally fixed vertical angle or fixing a certain angle, can not change angle as required and fix certain angle at random.The direction of each pedicle nail is different clinically, and this just requires that handle 701 and the angle of arc arm-tie 702 are can transfer and be fixable, and mini-incision tissue retractor just can reach above-mentioned requirements.
The present invention is applicable to general pedicle screw-rod fixed system, pedicle nail can be solid or hollow lift pedicle nail, pedicle nail is without the need to extending to outside skin by extension rod by nail tail, such as lift pedicle nail shorter, after putting nail, nail tail is positioned at mini-invasive incision tissue completely, along the inner chamber that incision tissue's retractor provides, dilator prelum can stretch in body to be stuck in rod completes and struts or compress pedicle nail, carry out distraction reduction or pressurization, meet mechanics principle, make the resistance arm of nail the shortest and strut or pressurize longer by the arm of force, there is laborsaving and distracting force or the strong feature of plus-pressure.Identical with open surgery by pedicle screw-rod system reset mechanism, surgical effect meets and exceeds open surgery curative effect.In the present embodiment, due to arc arm-tie 702 of the present invention and pedicle nail, to follow closely tail radian identical, when a pair mini-incision tissue retractor inserts in mini-invasive incision along nail tail arm, be affixed on outside pedicle nail nail tail two-arm respectively, make handle 701 parallel with patient body-surface skin by the angle adjustment between handle 701 and tight a bolt make handle 701 and arc arm-tie 702 affixed, further handle 701 is connected with balance plate, be affixed on patient skin surface by balance plate to fix, therefore, in use, incision tissue's retractor is fixed with hands without the need to operator, remain that mini-incision pulls open state, mini-invasive incision after patient pulls open by incision tissue's retractor is at the underlying rod of direct-view, upper plug screw, put unfolding pressurizing device, put twisting resistance spanner and the nail empennage that fractures, improve accuracy and the agility of operation.In operation, mini-incision tissue retractor is convenient to remove, can be other operation and abdicate space after taking-up, as put unfolding pressurizing device, using twisting resistance spanner etc., all can continue to utilize this otch to complete, special strutting otch without the need to increasing by two in addition, avoiding increasing damage.
The data analysis of the 518 routine lumbar vertebra compression fracture Minimally Invasive Surgerys completed to adopt incision tissue of the present invention retractor, the present invention have compared with existing open surgery operating time short, go out insufficiency of blood, the hospital stays is short, wound is little, recover the advantage such as fast, concrete correction data is as follows:
Operating time: open surgery is 60 ~ 180 minutes, average 91 minutes; Minimally Invasive Surgery of the present invention is adopted to be 30 ~ 70 minutes, average 52 minutes.
Amount of bleeding: open surgery is 100 ~ 600ml, average 260ml; Minimally Invasive Surgery of the present invention is adopted to be 15 ~ 30ml, average 25ml.
Hospital stays: open surgery is 15 ~ 21 days, average 14 days; Minimally Invasive Surgery of the present invention is adopted to be 6 ~ 14 days, average 9 days.
The above is only the preferred embodiment of the present invention, and protection scope of the present invention is also not only confined to above-described embodiment.For those skilled in the art, do not departing from the improvement that obtains under the technology of the present invention concept thereof and conversion also should be considered as protection scope of the present invention.
Claims (8)
1. incision tissue's retractor, it is characterized in that: comprise handle and the arc arm-tie for inserting mini-incision, one end of handle is provided with two spaced apart resilient attachment arms, a U-type groove is formed between two resilient attachment arms, arc arm-tie is connected with the connecting rod of bending, connecting rod has articulated section, articulated section to be inserted in U-type groove and by bolt assembly with can locking mode and two resilient attachment arms hinged.
2. incision tissue according to claim 1 retractor, it is characterized in that: it is the gear of turning cylinder that described articulated section is formed with jointed shaft, be provided with the tooth plate sliding and arrange in U-type groove, between handle and tooth plate, be provided with the holddown spring of resiliency urged tooth plate and gears meshing.
3. incision tissue according to claim 2 retractor, it is characterized in that: the bottom of described U-type groove is provided with counterbore, holddown spring is installed in counterbore, and the two ends of holddown spring offset with the diapire of counterbore and tooth plate respectively.
4. incision tissue according to claim 1 retractor, it is characterized in that: described handle is connected with the balance plate preventing incision tissue's retractor side from falling for being attached to skin surface, described balance plate is provided with the catching parts with elasticity draw-in groove, and described handle is arranged in elasticity draw-in groove.
5. incision tissue according to claim 1 retractor, is characterized in that: the width of described arc arm-tie is greater than described broken long-armed width.
6. incision tissue according to claim 1 retractor, is characterized in that: described connecting rod is perpendicular to arc arm-tie.
7. the incision tissue's retractor according to any one of claim 1 ~ 6, is characterized in that: described incision tissue retractor is put pedicle nail bar system incision tissue for minimal invasion and retracted.
8. the incision tissue's retractor according to any one of claim 7, is characterized in that: described arc arm-tie laminating pedicle screw inserts mini-incision.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610082168.0A CN105559835A (en) | 2016-02-06 | 2016-02-06 | Incision tissue retractor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610082168.0A CN105559835A (en) | 2016-02-06 | 2016-02-06 | Incision tissue retractor |
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| Publication Number | Publication Date |
|---|---|
| CN105559835A true CN105559835A (en) | 2016-05-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610082168.0A Pending CN105559835A (en) | 2016-02-06 | 2016-02-06 | Incision tissue retractor |
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| CN (1) | CN105559835A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109330648A (en) * | 2018-11-22 | 2019-02-15 | 南昌大学第二附属医院 | Anterior cervical vertebrae traction device and system |
| CN111803162A (en) * | 2020-08-19 | 2020-10-23 | 苏州越众生物科技有限公司 | Medical linear cutting anastomat with wide-angle joint |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU9137U1 (en) * | 1998-03-01 | 1999-02-16 | Прудков Михаил Иосифович | DEVICE FOR OPERATION FROM SMALL CUTS |
| CN2912531Y (en) * | 2005-03-09 | 2007-06-20 | 米哈伊尔·约瑟夫维奇·普拉德科夫 | Small cut surgery apparatus |
| CN101415369A (en) * | 2006-03-31 | 2009-04-22 | 新加坡南洋理工大学 | Tissue retractor, tissue retractor kit and method of use thereof |
| WO2011059491A1 (en) * | 2009-11-10 | 2011-05-19 | Nuvasive Inc. | Method and apparatus for performing spinal surgery |
| CN103690205A (en) * | 2012-09-06 | 2014-04-02 | 梅达塔国际股份有限公司 | Surgical device for minimally invasive spinal fusion and surgical system comprising the same |
| CN104323806A (en) * | 2014-10-20 | 2015-02-04 | 郑州人民医院 | Operation retractor provided with multi-claw adjusting function |
| CN205729422U (en) * | 2016-02-06 | 2016-11-30 | 贺新宁 | Incision tissue's retractor |
-
2016
- 2016-02-06 CN CN201610082168.0A patent/CN105559835A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU9137U1 (en) * | 1998-03-01 | 1999-02-16 | Прудков Михаил Иосифович | DEVICE FOR OPERATION FROM SMALL CUTS |
| CN2912531Y (en) * | 2005-03-09 | 2007-06-20 | 米哈伊尔·约瑟夫维奇·普拉德科夫 | Small cut surgery apparatus |
| CN101415369A (en) * | 2006-03-31 | 2009-04-22 | 新加坡南洋理工大学 | Tissue retractor, tissue retractor kit and method of use thereof |
| WO2011059491A1 (en) * | 2009-11-10 | 2011-05-19 | Nuvasive Inc. | Method and apparatus for performing spinal surgery |
| CN103690205A (en) * | 2012-09-06 | 2014-04-02 | 梅达塔国际股份有限公司 | Surgical device for minimally invasive spinal fusion and surgical system comprising the same |
| CN104323806A (en) * | 2014-10-20 | 2015-02-04 | 郑州人民医院 | Operation retractor provided with multi-claw adjusting function |
| CN205729422U (en) * | 2016-02-06 | 2016-11-30 | 贺新宁 | Incision tissue's retractor |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109330648A (en) * | 2018-11-22 | 2019-02-15 | 南昌大学第二附属医院 | Anterior cervical vertebrae traction device and system |
| CN111803162A (en) * | 2020-08-19 | 2020-10-23 | 苏州越众生物科技有限公司 | Medical linear cutting anastomat with wide-angle joint |
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Application publication date: 20160511 |
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