CN101879083B - Operation retractor with draw-off chain rope - Google Patents

Operation retractor with draw-off chain rope Download PDF

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Publication number
CN101879083B
CN101879083B CN2010102483304A CN201010248330A CN101879083B CN 101879083 B CN101879083 B CN 101879083B CN 2010102483304 A CN2010102483304 A CN 2010102483304A CN 201010248330 A CN201010248330 A CN 201010248330A CN 101879083 B CN101879083 B CN 101879083B
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column
chain
chain rope
hook plate
rope
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CN101879083A (en
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钱建民
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JIANGSU HAIZE MEDICAL SCIENTIFIC DEVELOPMENT CO LTD
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Abstract

The invention discloses an operation retractor with a draw-off chain rope, comprising a stand column (1) and a hook plate (2), wherein the stand column (1) is in a fixed structure or a liftable structure; the stand column (1) is directly connected with an operating bed or is connected with the operating bed through a fixed mount (3). The operation retractor is characterized in that the hook plate (2) is connected with one end of the draw-off chain rope (13), the other end of the draw-off chain rope (13) stretches into the cavity of the stand column (1) through a driving device (22) installed on the stand column (1). The invention has simple structure, small volume, no occupied space except the operating bed and good operation field of view, can randomly move on the side of the operating bed according to demands, and can be used for retraction of operation incisions at any part of human trunk.

Description

Operation retractor with draw-off chain rope
Technical field
The present invention relates to a kind of medical apparatus and instruments, replacing of using in the especially a kind of operation, manually retract otch the retractor that the art open country is fully exposed, specifically a kind of operation retractor with draw-off chain rope that is applicable to that multiple operation is used.
Background technology
At present, in the operation of carrying out the abdominal part straight cut, in order to obtain ideal art open country, the abdominal part of opening need be kept the good state that retracts as department of general surgery, Urology Surgery, department of obstetrics and gynecology; Also need otch is retracted equally in carrying out operations such as thoracic cavity, back spinal column, existing method one is to rely on the assistant from both sides with drag hook otch to be drawn back, weak effect and take manpower.People have invented various abdominal operation retractors to replace artificial traction for this reason, and the people is freed from heavy physical work, have a better effect.As patents such as Chinese patents 2006100980378,2008101951371 all are the retractors that design at abdominal operation.But in actual use, because this type of retractor need be at the stayed pole of a plurality of connection drag hooks of same installing rack upper support, pull bar is adjusted stroke again so that retract hook plate, so pull bar all can stretch out outside the operation table when using in the operation, capture the space of limited operation bedside, had a strong impact on doctor's erect-position.The pull bar that stretches out operation table also pollutes easily.So the position all was constant when existing various retractors used, influence doctor's erect-position in order to avoid stretch out the outer pull bar of bed, its suitability is restricted, as above abdominal retractor can only be installed in the head of a bed, be used for the otch of walking crosswise under the epigastrium costal margin, be difficult to adapt to most straight cut and hypogastric region operation use, and the very difficult upper abdominal surgery that adapts to of lower abdominal region retractor uses, the operation that more can't adapt to other position retracts.Therefore during a kind of tractive hook plate of clinical needs pull bar do not stretch out bed outer, can under the prerequisite that does not influence doctor's erect-position, retract various operative incisions, effective retractor easy to use as required in any shift position of operation bedside.Existing all kinds of retractor all can't be competent at above-mentioned requirements.And existing these retractors to also have the problem of a general character be that volume is big, need field-installed number of components many, use step loaded down with trivial details, manufacturing cost is high, these problems all should solve.
Summary of the invention
The objective of the invention is little at the existing retractor scope of application, volume is big, amount of parts is many, take that operative space influences doctor's erect-position operation more and the tractive position can't be in a series of problems such as bedside move arbitrarily, design a kind of simple in structure, applicable to the traction of any position, volume is little, the device of tractive hook plate does not stretch out the operation retractor with draw-off chain rope that operation table is outer, can not influence the operation of operative doctor erect-position.This invention changes traditional rigid pull bar into folding flexible chain rope and is used for tracting hook plate, and retracts the tractive chain rope that will stretch out simultaneously and insert automatically in the strut column, does not allow it move to outside the operation table.
A kind of operation retractor with draw-off chain rope, it comprises column 1 and hook plate 2, described column 1 is stationary structure or lifting type structure, column 1 directly links to each other with operation table or links to each other with operation table by fixed mount 3, it is characterized in that described hook plate 2 links to each other with an end of tractive chain rope 13, the other end of tractive chain rope 13 stretches in the cavity of column 1 by the driving device 22 that is installed on the column 1.
Described tractive chain rope 13 is a chain, hook plate 2 links to each other with an end of chain, the sprocket wheel 5 that the other end of chain is walked around as driving device 22 stretches in the cavity of column 1, the sprocket shaft 6 of described sprocket wheel 5 is bearing on the chain wheel support 7, chain wheel support 7 is installed in the upper end of column 1, and fixed or movable being set with shakes the hand 8 on the sprocket shaft 6; Also be hinged with in the upper end of column 1 and have the ratchet 9 of stirring lever 11, the torsion spring 10 that itself and sprocket wheel are offseted is installed on the ratchet 9.
Described tractive chain rope 13 has the flexibility band of salient point for two-sided cingulum or surface; Described pull rope is plastic ties or the steel wire rope that has nubbed surface, the quantity of the pull rope root that differs at least; Drive roll 14 and driven voller 15 contact with tractive chain rope 13 and partly are surface band protruding mao roller or serrated roller.
Described driving device 22 comprises drive roll 14, driven voller 15 and mounting blocks 14, mounting blocks 16 is fixed on the upper end at column 1, drive roll 14 and driven voller 15 are installed on the mounting blocks 16, chain rope 13 is sent in the cavity of column 1 through drive roll 14 and driven voller 15, and is fixedly connected or be set with to drive and shake the hand 17 on the drive roll 14.
The two supports of described drive roll 14 is in unilateral bearing, and unilateral bearing is installed in the mounting blocks 16 that is fixed on the column 1; Described driven voller 15 is installed in the long waist shaped through hole on the described mounting blocks 16, and the two ends of driven voller 15 respectively are set with roll adjustment cover 18, and roll adjustment cover 18 is connected with screw rod 19, and screw rod 19 passes on the end of stop collar 20 and is installed with nut 21.
Described nut 21 is a wing nut.
Described stop collar 20 is fixed on the mounting blocks 16 of drive roll 14 1 sides or driven voller 15 1 sides.
Described driving device 22 comprises driving shaft 23, driven shaft 24, installing rack 25 and built-in 26 compositions of shaking the hand, and installing rack 25 is fixed on the upper end of column 1; Driving shaft 23 and driven shaft 24 are installed on the installing rack 25, and tractive chain rope 13 stretches into the inner chamber of column 1 between driving shaft 23 and driven shaft 24; Described built-in shaking the hand 26 is inserted in the driving shaft 23, built-inly shakes the hand 26 at least by handle portion and two sections hinged forming of mate, and mate matches with driving shaft 23 inner chambers by concaveconvex structure or key.
Described column 1 is provided with and can holds built-in 26 the handle portion and prevent the handle locating slot of driving shaft 23 stressed counter-rotatings of shaking the hand.
Beneficial effect of the present invention:
The present invention is simple in structure, and volume is little, and shared space only is the spatial position of lifting, and the adjustable height of column, can effectively retract operative incision after adjusting to suitable height, can the erect-position and the operation of operative doctor not impacted fully.
Tractive chain rope of the present invention (traction belt or pull rope) can place in column, does not take operation bedside space, can make retractor shift position use arbitrarily according to actual needs, and not bring any inconvenience to the doctor.
The present invention can be used for the retracting of operative incision at the outer any position of human body head, is particularly useful for retracting of vertical angle otch.
The surgical operation that the present invention retracts applicable to used needs, so the suitability is very strong.
Part of the present invention is little, and is simple in structure, and low cost of manufacture helps reducing patient's burden.
The present invention both can adopt the stainless steel material manufacturing, realized recycling through sterilization, and can adopt and obtain with the contour molecular material manufacturing of engineering plastics, realized disposable use, and can not cause big financial burden to the patient.
Description of drawings
Fig. 1 is one of structural representation of the present invention.
Fig. 2 is that the hook plate of Fig. 1 tightens up view.
Fig. 3 is two of a structural representation of the present invention.
Fig. 4 is one of the structural representation of the driving device of structure shown in Figure 3.
Fig. 5 is the plan structure sketch map of Fig. 4.
Fig. 6 be structure shown in Figure 3 driving device structural representation two.
Fig. 7 is the built-in structural representation of shaking the hand that driving device shown in Figure 6 uses.
The specific embodiment
The present invention is further illustrated below in conjunction with drawings and Examples.
Embodiment one.
As shown in Figure 1, 2.
A kind of operation retractor with draw-off chain rope, comprise column 1 and hook plate 2, column 1 can directly link to each other (as adopting plug-in with the operation bedside, bolt tightening formula etc.), also can realize that with the operation bedside lift links to each other by fixed mount 3, the structure of fixed mount 3 such as Fig. 1, shown in 2 or identical with the fixed mount of existing retractor, present embodiment is that example is illustrated with the lifting structure, the lower end plug-in mounting of column 1 is fixed in the fixed mount 3, described hook plate 2 links to each other with a end as the chain of one of tractive chain rope 13 versions by universal connecting pin 12, the sprocket wheel 5 that the other end of chain is walked around as driving device 22 stretches in the cavity of column 1, the sprocket shaft 6 of described sprocket wheel 5 is bearing on the chain wheel support 7, chain wheel support 7 is installed on the column 1, with the top that is installed in column 1 is the best, and fixed or movable being set with shakes the hand 8 on the sprocket shaft 6; Also be hinged with in the upper end of column 1 and have the ratchet 9 of stirring lever 11, the torsion spring 10 that itself and sprocket wheel are offseted is installed, as shown in Figure 1, 2 on the ratchet 9.The material of present embodiment can adopt the rustless steel manufacturing, also can adopt engineering plastics and other materials manufacturing.
The work process of present embodiment is:
At first column 1 is fixed on bedside by fixed mount 3, then hook plate 2 is hooked otch, with the hand hands 8 that shakes, driving sprocket wheel 5 rotates, because the effect of ratchet 9 is shaken process middle sprocket 5 and can not turned round, along with chain moves in the column inner chamber, hook plate 2 draws tighter and tighter, can stop when meeting requirements of operation when moving to.When operation finishes maybe to need to replace, can make ratchet break away from sprocket wheel 5 with stirring lever 11 under the hand earlier, one firmly slightly, and chain 4 can skid off from column 1 easily, makes hook plate be in relaxed state, waits for tension next time.
Embodiment two.
Shown in Fig. 3,4,5.
A kind of operation retractor with draw-off chain rope, comprise column 1 and hook plate 2, column 1 can directly be fixedly linked (as adopting plug-in with the operation bedside, bolt tightening formula etc.), also can realize that with the operation bedside lift links to each other by fixed mount 3, the structure of fixed mount 3 such as Fig. 1, shown in 2 or identical with the fixed mount of existing retractor, present embodiment is that example is illustrated with the lifting structure, the lower end plug-in mounting of column 1 is fixed in the fixed mount 3, described tractive chain rope 13 is a traction belt, described hook plate 2 links to each other with an end of traction belt, drive roll 14 and the passage between the driven voller 15 that the other end of traction belt (can be the cog belt that crawler belt or two sides all have projection) passes as driving device 22 critical pieces stretch in the cavity of column 1, in order to increase frictional force, drive roll 14 and driven voller 15 contact with traction belt and partly can be the hair roller or the serrated roller of surface band projection.Described driving device 22 comprises drive roll 14, driven voller 15 and mounting blocks 14, mounting blocks 16 is fixed on the upper end at column 1, drive roll 14 and driven voller 15 are installed on the mounting blocks 16, chain rope 13 is sent in the cavity of column 1 through drive roll 14 and driven voller 15, fixedly connected or be set with to drive and shake the hand 17 on the drive roll 14, as shown in Figure 3, the two supports of described drive roll 14 is in unilateral bearing, unilateral bearing is installed in the mounting blocks 16 that is fixed on the column 1, on the drive roll 14 fixed or movable be set with to drive shake the hand 17; Described driven voller 15 is installed in the long waist shaped through hole on the described mounting blocks 16, and the two ends of driven voller 15 respectively are set with roll adjustment cover 18, and roll adjustment cover 18 is connected with screw rod 19, and screw rod 19 passes on the end of stop collar 20 and is installed with wing nut 21.Described stop collar 20 is fixed on the mounting blocks 16 of drive roll 14 1 sides or driven voller 15 1 sides, shown in Fig. 4,5.Mounting blocks can be fixed on the upper end of column 1 by screw.The used parts of same present embodiment all can adopt the stainless steel material manufacturing or adopt the engineering plastics injection mo(u)lding.Traction belt can use any non-toxic material.
The work process of present embodiment is:
At first column 1 is fixed on bedside by fixed mount 3, the wing nut 21 of regulating driven voller 15 two ends then dwindles the distance between drive roll 14 and the driven voller 15 and can clamp traction belt, hook plate 2 is hooked otch, shake that driving shakes the hand 17 can drive traction belt and move in the cavity of column 1, thereby with hook plate 2 tensions.Unclamp to drive and shake the hand 17, because self-locking action, traction belt can not turn round, thereby with hook plate 2 location, for the sake of assurance, also can shake the hand to driving when specifically implementing and 17 make corresponding conventional locking processing.When operation finishes maybe to need to adjust the position, only need unclamp wing nut 21 and make the gap between drive roll 14 and the driven voller 15 become big, therefore traction belt 13 is in relaxed state owing to there is not the effect of pull strength, thereby, can be very like a cork hook plate 2 be taken off from otch.
Embodiment three.
Shown in Fig. 6,7.
A kind of operation retractor with draw-off chain rope, comprise column 1 and hook plate 2, column 1 can directly be fixedly linked (as adopting plug-in with the operation bedside, bolt tightening formula etc.), also can realize that with the operation bedside lift links to each other by fixed mount 3, the structure of fixed mount 3 such as Fig. 1, shown in 2 or identical with the fixed mount of existing retractor, present embodiment is that example is illustrated with the lifting structure, the lower end plug-in mounting of column 1 is fixed in the fixed mount 3, described hook plate 2 links to each other with an end of tractive chain rope 13, the other end of tractive chain rope 13 stretches in the cavity of column 1 by the driving device 22 that is installed on the column 1, described tractive chain rope 13 can be the traction belt identical with embodiment two, described driving device 22 comprises driving shaft 23, driven shaft 24, installing rack 25 and built-in 26 compositions of shaking the hand, as shown in Figure 6, installing rack 25 is fixed on the upper end of column 1; Driving shaft 23 and driven shaft 24 are installed on the installing rack 25, and traction belt or pull rope 13 stretch into the inner chamber of column 1 between driving shaft 23 and driven shaft 24; Described built-in shaking the hand 26 is inserted in the driving shaft 23, built-inly shake the hand 26 at least by handle portion and two sections hinged forming of mate, mate matches with driving shaft 23 inner chambers by concaveconvex structure or key, in order to prevent driving shaft counter-rotating, column 1 is provided with and can holds built-in 26 the handle portion and prevent the handle locating slot of driving shaft 23 stressed counter-rotatings of shaking the hand.During concrete enforcement, if driving shaft and driven shaft can be traction belt or pull rope with tractive chain rope 13() can realize self-locking after the clamping, then can save this locating slot.Locating slot also can be arranged on the installing rack 25 during concrete enforcement, also can prevent its counter-rotating by other means (as set up backing pin on installing rack) with the built-in location of shaking the hand.
The present embodiment remainder is all identical with embodiment two as making with the version of material, traction belt or rope etc.
When present embodiment is implemented because the distance between driving shaft and the driven shaft is non-adjustable, therefore gap between the two must be suitably, excessive then may skidding and can't spur traction belt or rope, tension, then may cause difficulty, make the doctor operate effort when shaking the hand to tension.
The using method of present embodiment and embodiment two differences are, at first built-in shaking the hand to be pulled out from driving shaft when needing drag hook, can normally shake the rotation of drive driving shaft after rotating 90 degree, thereby it is mobile in the inner chamber of column to drive traction belt or rope, and the locating slot that the part of will shaking the hand after tension puts in place is put into column top gets final product.In the time of need unclamping hook plate, oppositely shake and get final product.
Built-in fit system of shaking the hand with driving shaft also can adopt conventional mechanical fit system to be realized as required during concrete enforcement.
The part that the present invention does not relate to prior art that maybe can adopt all same as the prior art is realized.

Claims (1)

1. operation retractor with draw-off chain rope, it comprises column (1) and hook plate (2), described column (1) is stationary structure or lifting type structure, column (1) directly links to each other with operation table or links to each other with operation table by fixed mount (3), it is characterized in that described hook plate (2) links to each other with an end of tractive chain rope (13), the other end of tractive chain rope (13) stretches in the cavity of column (1) by the driving device (22) that is installed on the column (1); Described tractive chain rope (13) is a chain, hook plate (2) links to each other with an end of chain, the other end of chain is walked around as the sprocket wheel of driving device (22) (5) and is stretched in the cavity of column (1), the sprocket shaft (6) of described sprocket wheel (5) is bearing on the chain wheel support (7), chain wheel support (7) is installed in the upper end of column (1), and sprocket shaft (6) is gone up fixed or movable be set with shake the hand (8); Also be hinged with in the upper end of column (1) and have the ratchet (9) of stirring lever (11), the torsion spring (10) that itself and sprocket wheel are offseted is installed on the ratchet (9).
CN2010102483304A 2010-08-09 2010-08-09 Operation retractor with draw-off chain rope Active CN101879083B (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102715926A (en) * 2012-07-03 2012-10-10 南京宁健医学研究有限公司 Multifunctional safety type abdominal retractor

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CN101983614B (en) * 2010-12-13 2011-09-21 钱建民 Novel self-help surgical retractor
AU2013249076B2 (en) * 2012-04-20 2018-03-29 Jai Singh Repositionable medical instrument support systems, devices, and methods
CN103845089B (en) * 2012-06-26 2016-03-30 刘希斌 The tractive localizer of thoracoscopic operation in lobe of the lung tractive combined apparatus
CN102940511A (en) * 2012-11-02 2013-02-27 陈健 Abdominal operation incision retracting device
CN105943099B (en) * 2016-06-08 2018-11-13 杨金良 Semi-automatic act intestines device
CN108175461A (en) * 2018-02-01 2018-06-19 冯建营 A kind of thoracic surgery auxiliary device
CN110339011A (en) * 2019-07-12 2019-10-18 杭州市萧山区中医院 Indirect labor's knee prosthesis adjustable fixer

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US4622955A (en) * 1985-09-05 1986-11-18 Mehdi Fakhrai Surgical retractor for dissection of internal mammary artery
US5964699A (en) * 1998-01-23 1999-10-12 Rultract, Inc. Surgical support apparatus with a Z-shape rake plate
US6834837B2 (en) * 2002-11-07 2004-12-28 Rultract, Inc. Surgical instrument support device and method
CN201727550U (en) * 2010-08-09 2011-02-02 钱建民 Tensioning rope built-in operation retractor
CN201624706U (en) * 2010-08-09 2010-11-10 钱建民 Operation retractor with built-in traction belt rope

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102715926A (en) * 2012-07-03 2012-10-10 南京宁健医学研究有限公司 Multifunctional safety type abdominal retractor
CN102715926B (en) * 2012-07-03 2014-12-17 南京宁健医学研究有限公司 Multifunctional safety type abdominal retractor

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Owner name: JIANGSU HAIZE MEDICAL TECHNOLOGY DEVELOPMENT CO.,

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