CN104323806A - Operation retractor provided with multi-claw adjusting function - Google Patents
Operation retractor provided with multi-claw adjusting function Download PDFInfo
- Publication number
- CN104323806A CN104323806A CN201410588520.9A CN201410588520A CN104323806A CN 104323806 A CN104323806 A CN 104323806A CN 201410588520 A CN201410588520 A CN 201410588520A CN 104323806 A CN104323806 A CN 104323806A
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- ratchet
- retractor
- pivoting support
- swing arm
- worm screw
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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
- A61B17/0206—Surgical instruments, devices or methods, e.g. tourniquets for holding wounds open; Tractors with antagonistic arms as supports for retractor elements
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- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Surgery (AREA)
- Heart & Thoracic Surgery (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Medical Informatics (AREA)
- Molecular Biology (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Surgical Instruments (AREA)
Abstract
The invention relates to a medical auxiliary tool, in particular to an operation retractor provided with a multi-claw adjusting function. The operation retractor is fixed on an operation table through a suspending frame, a rotating hand wheel is rotated by a hand to drive a worm to rotate, the worm rotates, moves downward and is in meshing transmission with a worm wheel, the worm wheel and a rocking arm are driven to drive retractor claws to move together, a ratchet wheel arranged at the upper end of each retractor claw and a ratchet claw arranged at the lower part of the rocking arm are meshed, the ratchet claw provides a restoring force through a reset spring and is still located in a tooth groove of the ratchet wheel, and the ratchet claw is clamped inside the tooth groove of the ratchet wheel and is locked. More than four retractor claws evenly distributed inside a hinged supporting base frame can realize the synchronous unfolding or synchronous contracting, the operation is simple, and the operation view can be effectively exposed. Meanwhile, the supporting inclined angle of any retractor claw can be manually and independently adjusted according to needs, all tissues can be conveniently and effectively retracted during an operation, and the adjusting is flexible.
Description
Technical field
The present invention relates to a kind of medical aid, be specifically related to a kind of operation retractor with multijaw regulatory function.
Background technology
Retractor, also known as drag hook, in order to retract tissue, appears operating field, is convenient to detect and operate, and can be divided into hand-held drag hook and self-retractor two class.There is the specification of various difformity and size, can need to select suitable drag hook according to operation.Self-retractor is self-retaining retractor voluntarily, and also claim self-maintaining drag hook, as bilobal, cloverleaf self-retaining retractor, the operation at the positions such as abdominal cavity, thoracic cavity, pelvic cavity, waist, cranium brain all can use.Comprehensive operation retractor is a kind of new type auto drag hook, fully can appear operating field, 1-2 name assistant can be saved, and obviously alleviate the labor intensity of assistant, all operations after being applicable to epigastrium, pelvic cavity and peritoneum, as Liver and kidney transplantation, total gastrectomy, pancreaticoduodenectomy, splenectomy, liver tumor excision, PCDV and urinary bladder prostate gland operation etc.
When fishing is drawn in use, correct tenaculum method and using method should being grasped, below drag hook, answer liner saline gauze pad or wet treatment towel, particularly more should note when using abdominal cavity retractor.Dressing liner can help to appear operating field, and protection peripheral organs and tissue are from damage.When using hand-held drag hook, drawing-in motion should be soft, avoids overexerting, and adjusts the position of drag hook in time, appear to reach the best according to the intention of performing the operation and procedure.But existing retractor, complex structure takes up space greatly, inconvenient operation, uses trouble, is not easy to detect and operation, effectively can not appears operating field.
Summary of the invention
For overcoming above-mentioned defect, namely object of the present invention is to provide a kind of easy to operate, operation retractor with multijaw regulatory function that effectively can appear operating field.
The object of the invention is to be achieved through the following technical solutions:
A kind of operation retractor with multijaw regulatory function of the present invention, comprising: suspension, rotation hand wheel, worm screw, through hole, spigot nut, pivoting support frame, pivoting support, worm gear, swing arm, swing arm joint bearing pin, ratchet, reduction torsion spring, ratchet, ratchet bearing pin, retractor pawl; Described suspension is handstand U-shape, described suspension bottom is fixedly connected with pivoting support frame, through hole is offered in the middle part of described pivoting support frame, the corresponding lead to the hole site of described spigot nut is fixedly mounted on pivoting support frame, described worm screw is vertically arranged in described spigot nut, through hole successively, and described rotation hand wheel to be arranged in suspension and to be fixedly connected with the upper end of worm screw;
The quantity of described pivoting support is more than four, uniformly centered by worm screw is fixed in pivoting support frame; Described pivoting support comprises: the two root plates be arranged in parallel, rotating pin; Described two root plates are fixedly connected with by rotating pin, the quantity of described worm gear, swing arm and retractor pawl is all identical with the quantity of pivoting support, described worm gear set to be connected on the rotating pin between two root plates and to be meshed with worm screw, and the angle of friction of described worm screw is less than the lead angle of worm screw; The bottom of described worm gear is fixedly connected with swing arm, and the other end of described swing arm is articulated and connected by swing arm joint bearing pin and ratchet; One end of described ratchet is hingedly mounted in swing arm by ratchet bearing pin, and the other end of described ratchet is entrapped in the teeth groove of described ratchet; One end of described reduction torsion spring is fixed in swing arm, and the other end of described reduction torsion spring is fixed on ratchet; The bottom of described ratchet is fixedly connected with retractor pawl.
Further, the quantity of described pivoting support is six.
Further, described rotating pin is provided with deep groove ball bearing, described worm gear set is connected on described deep groove ball bearing.
Further, described retractor pawl is provided with saline gauze pad or wet treatment towel.
A kind of operation retractor with multijaw regulatory function provided by the invention, this operation retractor utilizes characteristic during Worm Wheel System with auto-lock function, be fixed on operating-table by suspension, rotating rotation hand wheel with hands drives worm screw to rotate, worm screw is by the guiding of spigot nut, worm screw rotates and vertically moves down and the transmission that is meshed with worm gear, the swing arm on worm gear is driven to turn an angle, swing arm drives retractor pawl to move together, the ratchet that retractor pawl upper end is arranged and the ratchet that swing arm bottom is arranged are meshed, ratchet provides restoring force to be in all the time in the teeth groove of ratchet by reduction torsion spring, stop in the teeth groove that ratchet blocks ratchet, retractor pawl can only be rotated along a direction, there is unipolarity.The retractor pawl of more than four uniform in pivoting support frame can realize synchronous expansion or synchronous, and then regulates the support scope of multiple retractor pawl, simple to operate and effectively can appear operating field.Can coordinate by ratchet the supporting angle manually regulating separately any one retractor pawl with ratchet as required simultaneously, make can retract each tissue easily and effectively, flexible adjustment in operation process.Suspension is arranged to U-shaped, can, from two symmetry direction manual operation rotation hand wheels, uses flexibly convenient.
Accompanying drawing explanation
For ease of illustrating, the present invention is described in detail by following preferred embodiment and accompanying drawing.
Fig. 1 is the structural representation of a kind of operation retractor with multijaw regulatory function of the present invention when not launching;
Fig. 2 is the structural representation of a kind of operation retractor with multijaw regulatory function of the present invention when launching;
To be that the present invention is a kind of to have in the operation retractor of multijaw regulatory function worm and wheel and coordinate schematic diagram Fig. 3;
To be that the present invention is a kind of have swing arm and retractor pawl connection diagram in the operation retractor of multijaw regulatory function to Fig. 4;
Wherein Reference numeral is: 1, suspension; 2, rotation hand wheel; 3, worm screw; 4, spigot nut; 5, pivoting support; 6, pivoting support frame; 7, worm gear; 8, rotating pin; 9, floor; 10, swing arm; 11, ratchet; 12, reduction torsion spring; 13, ratchet; 14, swing arm joint bearing pin; 15, ratchet bearing pin; 16, retractor pawl; 17, through hole.
Detailed description of the invention
In order to make object of the present invention, technical scheme and advantage clearly understand, below in conjunction with drawings and Examples, the present invention is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the present invention, be not intended to limit the present invention.
Please refer to Fig. 1-4, a kind of operation retractor with multijaw regulatory function of the present invention, comprising: suspension 1, rotation hand wheel 2, worm screw 3, through hole 17, spigot nut 4, pivoting support frame 6, pivoting support 5, worm gear 7, swing arm 10, swing arm joint bearing pin 14, ratchet 11, reduction torsion spring 12, ratchet 13, ratchet bearing pin 15, retractor pawl 16.This suspension 1 is in handstand U-shape, and this suspension 1 bottom is fixedly connected with pivoting support frame 6, offers through hole 17 in the middle part of this pivoting support frame 6, and this spigot nut 4 corresponding through hole 17 position is fixedly mounted on pivoting support frame 6.This worm screw 3 is vertically arranged in this spigot nut 4, through hole 17 successively, and this spigot nut 4 has guide effect, and worm screw 3 can only vertically be moved up and down.This rotation hand wheel 2 to be arranged in suspension 1 and to be fixedly connected with the upper end of worm screw 3, and suspension 1 is arranged to U-shaped, can, from two symmetry direction manual operation rotation hand wheels 2, use flexibly convenient.
The quantity of this pivoting support 5 is more than four, uniformly centered by worm screw 3 is fixed in pivoting support frame 6, and as preferably, the quantity of this pivoting support 5 is six, specifically participates in Fig. 3.This pivoting support 5 comprises: the two root plates 9 be arranged in parallel, rotating pin 8.This two roots plate 9 is fixedly connected with by rotating pin 8, the quantity of this worm gear 7, swing arm 10 and retractor pawl 16 is all identical with the quantity of pivoting support 5, this worm gear 7 to be socketed on the rotating pin 8 between two root plates 9 and to be meshed with worm screw 3, this rotating pin 8 is provided with deep groove ball bearing (not shown), this worm gear 7 is socketed on this deep groove ball bearing, worm gear 7 is rotated more flexible.The angle of friction of this worm screw 3 is less than the lead angle of worm screw 3, when the angle of friction of worm screw 3 is less than the lead angle of worm screw 3, there is self-locking performance, can reverse self-locking be realized, namely worm gear 7 can only be driven by worm screw 3, and worm screw 3 can not be driven by worm gear 7, Worm Wheel System can obtain very large gear ratio simultaneously, is linear contact lay between two mesh tooth faces, its bearing capacity is large, worm-drive is equivalent to worm drive, be multiple tooth engaged transmission, therefore stable drive, noise is very little.The bottom of this worm gear 7 is fixedly connected with swing arm 10, and the other end of this swing arm 10 is articulated and connected by swing arm joint bearing pin 14 and ratchet 13.One end of this ratchet 11 is hingedly mounted in swing arm 10 by ratchet bearing pin 15, and the other end of this ratchet 11 is entrapped in the teeth groove of this ratchet 13.One end of this reduction torsion spring 12 is fixed in swing arm 10, and the other end of this reduction torsion spring 12 is fixed on ratchet 11.The bottom of this ratchet 13 is fixedly connected with retractor pawl 16; make retractor pawl 16 can flexible rotating certain angle by swing arm joint bearing pin 14; retractor pawl 16 is provided with saline gauze pad or wet treatment towel (not shown), the peripheral organs that retractor pawl 16 can be protected to support and tissue are from damage simultaneously.
The operation principle of this operation retractor is: this operation retractor utilizes characteristic during worm gear 7 worm screw 3 transmission with auto-lock function, namely can only drive worm gear 7 by worm screw 3, and can not drive worm screw 3 by worm gear 7.Be fixed on operating-table by suspension 1, rotating rotation hand wheel 2 with hands drives worm screw 3 to rotate, worm screw 3 is by the guiding of spigot nut 4, worm screw 3 rotates and vertically moves down and the transmission that is meshed with worm gear 7, the swing arm 10 on worm gear 7 is driven to turn an angle, swing arm 10 drives retractor pawl 16 to move together, the ratchet 13 that retractor pawl 16 upper end is arranged and the ratchet 11 that swing arm 10 bottom is arranged are meshed, in the teeth groove that ratchet 11 provides restoring force to be in ratchet 13 all the time by reduction torsion spring 12, stop in the teeth groove that ratchet 11 blocks ratchet 13, retractor pawl 16 can only be rotated along a direction, there is unipolarity, see Fig. 4.Retractor pawl 16 uniform in pivoting support frame 6 can realize synchronous expansion or synchronous, and then regulates the support scope of multiple retractor pawl 16, simple to operate and effectively can appear operating field.Can coordinate by ratchet 11 supporting angle manually regulating separately any one retractor pawl 16 with ratchet 13 as required simultaneously, make can retract each tissue easily and effectively, flexible adjustment in operation process.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, all any amendments done within the spirit and principles in the present invention, equivalent replacement and improvement etc., all should be included within protection scope of the present invention.
Claims (4)
1. there is an operation retractor for multijaw regulatory function, it is characterized in that, comprising: suspension, rotation hand wheel, worm screw, through hole, spigot nut, pivoting support frame, pivoting support, worm gear, swing arm, swing arm joint bearing pin, ratchet, reduction torsion spring, ratchet, ratchet bearing pin, retractor pawl; Described suspension is handstand U-shape, described suspension bottom is fixedly connected with pivoting support frame, through hole is offered in the middle part of described pivoting support frame, the corresponding lead to the hole site of described spigot nut is fixedly mounted on pivoting support frame, described worm screw is vertically arranged in described spigot nut, through hole successively, and described rotation hand wheel to be arranged in suspension and to be fixedly connected with the upper end of worm screw;
The quantity of described pivoting support is more than four, uniformly centered by worm screw is fixed in pivoting support frame; Described pivoting support comprises: the two root plates be arranged in parallel, rotating pin; Described two root plates are fixedly connected with by rotating pin, the quantity of described worm gear, swing arm and retractor pawl is all identical with the quantity of pivoting support, described worm gear set to be connected on the rotating pin between two root plates and to be meshed with worm screw, and the angle of friction of described worm screw is less than the lead angle of worm screw; The bottom of described worm gear is fixedly connected with swing arm, and the other end of described swing arm is articulated and connected by swing arm joint bearing pin and ratchet; One end of described ratchet is hingedly mounted in swing arm by ratchet bearing pin, and the other end of described ratchet is entrapped in the teeth groove of described ratchet; One end of described reduction torsion spring is fixed in swing arm, and the other end of described reduction torsion spring is fixed on ratchet; The bottom of described ratchet is fixedly connected with retractor pawl.
2. a kind of operation retractor with multijaw regulatory function according to claim 1, is characterized in that, the quantity of described pivoting support is six.
3. a kind of operation retractor with multijaw regulatory function according to claim 1 and 2, is characterized in that, described rotating pin is provided with deep groove ball bearing, and described worm gear set is connected on described deep groove ball bearing.
4. a kind of operation retractor with multijaw regulatory function according to claim 3, is characterized in that, described retractor pawl is provided with saline gauze pad or wet treatment towel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410588520.9A CN104323806A (en) | 2014-10-20 | 2014-10-20 | Operation retractor provided with multi-claw adjusting function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410588520.9A CN104323806A (en) | 2014-10-20 | 2014-10-20 | Operation retractor provided with multi-claw adjusting function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104323806A true CN104323806A (en) | 2015-02-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410588520.9A Pending CN104323806A (en) | 2014-10-20 | 2014-10-20 | Operation retractor provided with multi-claw adjusting function |
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| CN (1) | CN104323806A (en) |
Cited By (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105559835A (en) * | 2016-02-06 | 2016-05-11 | 贺新宁 | Incision tissue retractor |
| CN105769262A (en) * | 2016-01-25 | 2016-07-20 | 许加友 | Auxiliary instrument for gastrointestinal surgical operation |
| CN106272394A (en) * | 2016-09-20 | 2017-01-04 | 上海未来伙伴机器人有限公司 | A kind of robot grabbing assembly |
| CN106388883A (en) * | 2016-08-31 | 2017-02-15 | 张强 | Arthroscopic auxiliary traction apparatus |
| CN107878583A (en) * | 2017-11-24 | 2018-04-06 | 开封大学 | A kind of Novel cargo vehicle |
| CN108455350A (en) * | 2018-03-26 | 2018-08-28 | 濉溪县博诚包装制品有限公司 | A kind of paper bundle removes winding apparatus |
| CN108688626A (en) * | 2017-04-07 | 2018-10-23 | 山东华宇工学院 | Non-steering wheels traverse displacement unit is controlled electronically in car |
| CN110237400A (en) * | 2019-07-12 | 2019-09-17 | 温州医科大学附属第一医院 | A kind of urethral catheterization device facilitating one-handed performance |
| CN110559023A (en) * | 2019-09-05 | 2019-12-13 | 刘晓东 | Minimally invasive retractor for spinal surgery and associated methods |
| CN111281448A (en) * | 2020-02-07 | 2020-06-16 | 青岛大学附属医院 | Auxiliary instrument for gastrointestinal surgery |
| CN111281568A (en) * | 2020-03-12 | 2020-06-16 | 济南市章丘区人民医院 | Skin expansion protector for multi-head burn plastic surgery |
| CN111297418A (en) * | 2020-02-13 | 2020-06-19 | 中南大学湘雅二医院 | Lumbar vertebra three-way minimally invasive retractor |
| CN111920466A (en) * | 2020-09-17 | 2020-11-13 | 范梦丽 | Sternum support frame for orthopedics |
| CN112245031A (en) * | 2020-10-30 | 2021-01-22 | 复旦大学附属中山医院 | Wound surface skin stretching device |
| CN113397622A (en) * | 2021-07-30 | 2021-09-17 | 河南省肿瘤医院 | Novel thyroid surgery retractor |
| CN114748112A (en) * | 2022-04-13 | 2022-07-15 | 益阳市中心医院 | Minimally invasive kidney transplantation system |
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| US8602984B2 (en) * | 2003-12-18 | 2013-12-10 | DePuy Synthes Products, LLC | Surgical retractor systems and illuminated cannulae |
| CN204147073U (en) * | 2014-10-20 | 2015-02-11 | 郑州人民医院 | A kind of operation retractor with multijaw regulatory function |
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| WO2003017847A1 (en) * | 2001-08-23 | 2003-03-06 | Maged Hussien | Surgical retractor |
| CN2649022Y (en) * | 2003-09-29 | 2004-10-20 | 王善杰 | Multi-foot big S abdominal cavity drag hook |
| US8602984B2 (en) * | 2003-12-18 | 2013-12-10 | DePuy Synthes Products, LLC | Surgical retractor systems and illuminated cannulae |
| CN201101551Y (en) * | 2007-09-12 | 2008-08-20 | 兰州兰飞医疗器械有限公司 | Multifunctional surgical retractor |
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Cited By (21)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105769262A (en) * | 2016-01-25 | 2016-07-20 | 许加友 | Auxiliary instrument for gastrointestinal surgical operation |
| CN105769262B (en) * | 2016-01-25 | 2018-02-09 | 许加友 | A kind of gastrointestinal surgery assistive device |
| CN105559835A (en) * | 2016-02-06 | 2016-05-11 | 贺新宁 | Incision tissue retractor |
| CN106388883A (en) * | 2016-08-31 | 2017-02-15 | 张强 | Arthroscopic auxiliary traction apparatus |
| CN106388883B (en) * | 2016-08-31 | 2024-05-07 | 张强 | Arthroscopic auxiliary retractor |
| CN106272394A (en) * | 2016-09-20 | 2017-01-04 | 上海未来伙伴机器人有限公司 | A kind of robot grabbing assembly |
| CN108688626A (en) * | 2017-04-07 | 2018-10-23 | 山东华宇工学院 | Non-steering wheels traverse displacement unit is controlled electronically in car |
| CN107878583B (en) * | 2017-11-24 | 2023-06-30 | 开封大学 | Novel carry thing car |
| CN107878583A (en) * | 2017-11-24 | 2018-04-06 | 开封大学 | A kind of Novel cargo vehicle |
| CN108455350A (en) * | 2018-03-26 | 2018-08-28 | 濉溪县博诚包装制品有限公司 | A kind of paper bundle removes winding apparatus |
| CN110237400A (en) * | 2019-07-12 | 2019-09-17 | 温州医科大学附属第一医院 | A kind of urethral catheterization device facilitating one-handed performance |
| CN110559023A (en) * | 2019-09-05 | 2019-12-13 | 刘晓东 | Minimally invasive retractor for spinal surgery and associated methods |
| CN111281448A (en) * | 2020-02-07 | 2020-06-16 | 青岛大学附属医院 | Auxiliary instrument for gastrointestinal surgery |
| CN111281448B (en) * | 2020-02-07 | 2021-07-13 | 青岛大学附属医院 | Auxiliary instrument for gastrointestinal surgery |
| CN111297418A (en) * | 2020-02-13 | 2020-06-19 | 中南大学湘雅二医院 | Lumbar vertebra three-way minimally invasive retractor |
| CN111281568A (en) * | 2020-03-12 | 2020-06-16 | 济南市章丘区人民医院 | Skin expansion protector for multi-head burn plastic surgery |
| CN111920466A (en) * | 2020-09-17 | 2020-11-13 | 范梦丽 | Sternum support frame for orthopedics |
| CN112245031A (en) * | 2020-10-30 | 2021-01-22 | 复旦大学附属中山医院 | Wound surface skin stretching device |
| CN113397622A (en) * | 2021-07-30 | 2021-09-17 | 河南省肿瘤医院 | Novel thyroid surgery retractor |
| CN114748112A (en) * | 2022-04-13 | 2022-07-15 | 益阳市中心医院 | Minimally invasive kidney transplantation system |
| CN114748112B (en) * | 2022-04-13 | 2023-06-06 | 益阳市中心医院 | Minimally invasive kidney transplantation system |
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Application publication date: 20150204 |