CN103251442B - High-speed skin cutting machine - Google Patents

High-speed skin cutting machine Download PDF

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Publication number
CN103251442B
CN103251442B CN201210039313.9A CN201210039313A CN103251442B CN 103251442 B CN103251442 B CN 103251442B CN 201210039313 A CN201210039313 A CN 201210039313A CN 103251442 B CN103251442 B CN 103251442B
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China
Prior art keywords
skin
side plate
top roll
roll
assembly
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CN201210039313.9A
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Chinese (zh)
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CN103251442A (en
Inventor
伊丹
李刚
宫清
李志海
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BYD Co Ltd
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BYD Co Ltd
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Abstract

The invention provides a high-speed skin cutting machine which comprises a base component, a skin cutting component and a pressure component. The base component comprises two opposite side plates, a support plate 3 for holding a skin sample is arranged between the two side plates, and lower roller holes and upper roller grooves are arranged on the two side plates. The skin cutting component comprises an upper roller 17 and a lower roller 19 which reversely rotate through two engaged gears 8, a blade 9 is arranged on the surface of the upper roller 17, and the upper roller 17 can vertically move along the upper roller grooves. The pressure component comprises two pressing blocks, springs are arranged in the two pressing blocks, and spring pressing rods are arranged at the bottoms of the two springs and used for contacting with two ends of the upper roller 17. The distance between the upper roller 17 and the lower roller 19 can be automatically and slightly adjusted according to the thickness of the skin sample in the use process of the high-speed skin cutting machine, and the problem that an existing skin rolling machine cannot cut off a skin sample is effectively solved.

Description

A kind of skin speed cuts machine
Technical field
The invention belongs to medical instruments field, be specifically related to a kind of skin speed and cut machine.
Background technology
Grafting for burns is the common methods for the treatment of fire victim.Medically, due to the rejection between individuality, for the treatment of deep burn, allograft skin, xenogenesis skin etc. be various hinders face covering to hinder face to scarce skin is only short-term protection, and its final purpose has come all to cover to hinder face with the flourish of self chrotoplast.Therefore realizing to greatest extent to the covering of hindering face with as far as possible few skin source, is the target that current doctor and patient is pursued jointly.
The wider skin-grafting plate that has is adopted to cut net method in existing dermatoplastic method, the method is on a large skin-grafting plate, cut several each other equal and opposite in direction, be parallel to each other, staggered otch, horizontal open is thrown the net as same, this mesh skin graft is implanted in after hindering face, certain elasticity of hindering face can be kept, be conducive to the reply of limb function.At present, skin-grafting plate cut net normal adopt roll skin machine, its structure is: the round steel roller that two diameters are identical, two round steel rollers are parallel to each other and are installed on a support, round steel roller surface inserting above has equal and opposite in direction, is parallel to each other, spacing is equal, the blade of interlaced arrangement, and all blade cylindricals must with circle.During operation, the large skin-grafting plate cut is laid on plastic plate, the round steel roller of blade is had above being rotated by wind, and the plastic plate being covered with skin graft is placed in rolling between two round steel rollers, such skin-grafting plate is the rolled edge of a knife identical with blades aligned just, rotate 90 ° and continue rolling, roll and be cut into little skin graft; Or to roll with expansion blade and cut skin-grafting plate, then the horizontal skin graft that draws becomes net.But due to the uneven thickness of skin-grafting plate obtained, and for rolling and that the spacing of two round steel rollers of blade is housed is certain, can not adjust, therefore when rolling skin graft, can cause situation about not cutting through, namely skin incision is not cut completely, also needs doctor to do complementarity cutting with scalpel before skin-grafting.
Summary of the invention
Rolling of the invention solves that skin-grafting plate in prior art cuts that net the adopts two roller spacing that skin machine exists are fixed to adjust and are caused there is the technical problem do not cut through in skin samples cutting process.
The invention provides a kind of skin speed and cut machine, comprise base assembly, cut skin assembly and pressure assembly;
Described base assembly comprises two blocks of supporting plates 3 be provided with between the first side plate 1, second side plate 21, first side plate 1 and the second side plate 21 for placing skin samples arranged that oppose; On first side plate 1, second side plate 21, opposition is provided with lower roller aperture and top roll groove respectively, and lower roller aperture is positioned at below supporting plate 3, and top roll slot is above supporting plate 3;
Described skin assembly of cutting comprises top roll 17, lower roll 19 for cutting skin, and by two meshed gears 8, backwards rotation occurs between top roll 17 and lower roll 19, the surface of top roll 17 is parallel is inlaid with several with circular knife 9; The two ends of lower roll 19 are rotated respectively and are arranged in lower roller aperture, and the two ends of top roll 17 are rotated respectively and are arranged in top roll groove, and top roll 17 can move up and down along top roll groove;
Described pressure assembly comprises the first briquetting 13 be positioned on the first side plate 1 and the second briquetting 18 be positioned on the second side plate 21; All be built-in with spring in first briquetting 13, second briquetting 18, two spring bottom are equipped with spring pressure bar, and described spring pressure bar is used for two end in contact with the top roll 17 being positioned at top roll groove.
As a further improvement on the present invention, described base assembly also comprises the riser 2 for supporting supporting plate 3; Described riser 2 between the first side plate 1, second side plate 21, and is positioned at below supporting plate 3.
As a further improvement on the present invention, described base assembly also comprises scraper plate 5; Described scraper plate 5 is arc, and one end of scraper plate 5 is fixed on the first side plate 1, second side plate 21 by thimble 20, and the other end is positioned on supporting plate 3.Described scraper plate 5 is provided with the cutter groove passed for blade 9, the position of described cutter groove is corresponding with the position of blade 9.
As a further improvement on the present invention, cut skin assembly described in and also comprise back-up ring 25 for preventing clutch shaft bearing about 16 play; Back-up ring 25 is sheathed on top roll 17, and is positioned at the outside of clutch shaft bearing 16.
As a further improvement on the present invention, cut skin assembly described in and also comprise several for separating the spacer 6 of blade 9; Described spacer 6 is between adjacent two blades 9.
As a further improvement on the present invention, cut skin assembly described in and also comprise locking nut 15 for compressing blade 9 and spacer 6; Described locking nut 15 is sheathed on top roll 17, and is positioned at the inner side of the second side plate 21.
As a further improvement on the present invention, described pressure assembly also comprises the envelope nut 11 for spring and spring pressure bar being locked in respectively in the first briquetting 13, second briquetting 18.
As a further improvement on the present invention, described skin speed cut machine also comprise knurled pin 4, gear protective cover 7, top roll protective cover 12 and protection handle 14;
Described knurled pin 4 is positioned on base assembly, for fixation pressure assembly and base assembly; Described gear protective cover 7 is positioned at outside gear 8; Described top roll protective cover 12 is positioned at above top roll 17; Described protection handle 14 is positioned at above the first briquetting 13, second briquetting 18.
As a further improvement on the present invention, described skin speed is cut machine and is also comprised manual wrench for driving lower roll 19 to rotate.
Skin speed provided by the invention cuts machine, pressure is applied to cutting skin assembly by pressure assembly, pressure is applied especially by spring 23, spring pressure bar 10 pairs of top rolls 17, top roll 17 can be moved up and down along top roll groove, therefore in use according to the thickness of skin samples, automatic fine tuning is carried out to the distance between top roll 17, lower roll 19, thus effectively solve the existing problem of rolling the skin samples that exists in skin machine and can't cut.
Accompanying drawing explanation
Fig. 1 is the structural representation that skin provided by the invention speed cuts machine.
Fig. 2 be skin provided by the invention speed cut machine in working order under structural representation.
Fig. 3 is the A-A sectional view of Fig. 2.
Fig. 4 is the partial enlarged drawing of C part in Fig. 3.
Fig. 5 is the B-B sectional view of Fig. 2.
Detailed description of the invention
In order to make technical problem solved by the invention, technical scheme and beneficial effect clearly understand, below in conjunction with drawings and Examples, the present invention is further elaborated.Should be appreciated that concrete enforcement described herein is only in order to explain the present invention, is not intended to limit the present invention.
The invention provides a kind of skin speed and cut machine, comprise base assembly, cut skin assembly and pressure assembly.
During off working state, pressure assembly is open mode, and now skin speed cuts the structure of machine as shown in Figure 1.Under duty, depressed by pressure assembly and be pressed on and cut on skin assembly, now skin speed cuts the structure of machine as shown in Figure 2, and as shown in Figure 3, B-B face sectional view as shown in Figure 5 for its A-A face sectional view.
Particularly, as shown in Figure 1, 2, described base assembly comprises the first side plate 1, second side plate 21 that two pieces of opposition are arranged.Be provided with supporting plate 3 between first side plate 1 and the second side plate 21, this supporting plate 3 is for placing skin samples.As shown in Figure 1, 2, on first side plate 1, second side plate 21, opposition is provided with lower roller aperture and top roll groove respectively, and lower roller aperture is positioned at below supporting plate 3, top roll slot is above supporting plate 3, ensure that lower roll 19 is positioned at below supporting plate, and top roll 17 is positioned at above supporting plate 3, thus by the backwards rotation of lower roll 19, top roll 17, the skin samples that the supporting plate 3 be positioned at therebetween is placed is cut.
As shown in Figure 1, 2, described base assembly also comprises the riser 2 for supporting supporting plate 3.Described riser 2 between the first side plate 1, second side plate 21, and is positioned at below supporting plate 3, thus carries supporting plate 3 from below.
In the present invention, described base assembly also comprises scraper plate 5, the skin patch after having cut can be prevented to be bonded on blade 9 by scraper plate 5, namely realizes dermatotome and is separated.As shown in Figure 5, described scraper plate 5 is arc, and one end of scraper plate 5 is fixed on the first side plate 1, second side plate 21 by thimble 20, and the other end is positioned on supporting plate 3.As shown in Figure 1, described scraper plate 5 is provided with the cutter groove passed for blade 9, namely blade 9 can through the cutter groove on scraper plate 5, skin samples below scraper plate 5 is cut, open after having cut and cut in skin assembly, by the interception of scraper plate 5 pairs of skin patch, the skin patch of having cut can be prevented to be bonded on blade 9.As shown in Figure 1, the position of described scraper plate 5 upper knife groove should be corresponding with the position of blade 9, otherwise can damage blade 9.
As Figure 1-4, cut skin assembly described in and comprise top roll 17, lower roll 19 for cutting skin.Wherein, the two ends of lower roll 19 are rotated respectively and are arranged in lower roller aperture, and the two ends of top roll 17 are rotated respectively and are arranged in top roll groove.By the setting of top roll groove, can ensure that top roll 17 moves up and down along this top roll groove, thus make the distance between top roll 17, lower roll 19 adjustable.As shown in Figure 1, the surface of top roll 17 is equidistantly parallel is inlaid with several with circular knife 9, and namely top roll 17 is in rotation process, and band cutting blade 9 rotates, and can cut the skin samples below top roll 17.
In the present invention, as shown in Figure 1,3, be connected by two meshed gears 8 between top roll 17 with lower roll 19 and backwards rotation occurs.Particularly, as shown in Figure 3, described gear 8 comprises upper roll gear and the lower roll gear of two engagements.One end of top roll 17 through the first side plate 1 top roll groove and extend to that the first side plate 1 is outer to be fixedly connected with upper roll gear.Similarly, lower roll 19 one end through the first side plate 1 lower roller aperture and extend to that the first side plate 1 is outer to be fixedly connected with lower roll gear.Namely after rotating lower roll 19, lower roll gear also rotates, and drives the upper roll gear engaged with lower roll gear to rotate backward, and drives top roll 17 to rotate backward, and namely realizes top roll 17 and backwards rotation occurs with lower roll 19 simultaneously.
Described top roll 17 and upper roll gear and lower roll 19 are various mode common to those skilled in the art with the mode that is fixedly connected with of lower roll gear, and the present invention is not particularly limited.Such as, be provided with the keyway of depression at upper roll gear inner surface, top roll 17 surface is provided with the keyway of protrusion, upper roll gear 17 is sheathed on top roll 17, and the keyway on top roll 17 is mated with the keyway in upper roll gear, thus upper roll gear is fixedly connected with top roll 17.Similarly, the mode that lower roll 19 and lower roll gear 19 also mate by keyway is fixedly connected with.Under preferable case, also can refill in one end of top roll 17 and/or lower roll 19 and join axle head screw 22, prevent that upper roll gear in work process from coming off from top roll 17, lower roll gear comes off from lower roll 19.
In the present invention, for reducing the frictional force in top roll 17, lower roll 19 rotation process and between the first side plate 1, second side plate 21, as shown in Figure 1, 2, 3, the two ends of top roll 17 are rotated respectively by clutch shaft bearing 16 and are installed in top roll groove; As shown in Figure 3, the two ends of lower roll 19 are rotated respectively by the second bearing 24 and are installed in lower roller aperture.
For preventing clutch shaft bearing about 16 play, as shown in Figure 3, top roll 17 is arranged with back-up ring 25, this back-up ring 25 is positioned at the outside of clutch shaft bearing 16.
As shown in Figure 1,3, in the present invention, several equidistantly distribute with between circular knife 9, thus can ensure that each skin patch after having cut has identical size.As a kind of preferred implementation of the present invention, described in cut skin assembly and also comprise several for separating the spacer 6 of blade 9.Spacer 6 is all adopted to separate between two often adjacent blades 9.As shown in Fig. 1 or 3, top roll 17 is also arranged with locking nut 15 on the inner side of the second side plate 21, blade 9 and spacer 6 can be compressed or unclamp by rotational lock nut 15.
In the present invention, as shown in Figure 1, described pressure assembly comprises the first briquetting 13 be positioned on the first side plate 1 and the second briquetting 18 be positioned on the second side plate 21.First briquetting 13 is identical with the structure of the second briquetting 18.As shown in Figure 4, the second briquetting 18 is built-in with spring 23, is provided with spring pressure bar 10 bottom spring 23.The structure of the first briquetting 13 is identical with the second briquetting 18.
Be pressure bonded to by pressure assembly and cut on skin assembly, the first briquetting 13 is pressed on the first side plate 1, and the second briquetting 18 is pressed on the second side plate 21.The spring pressure bar of the first briquetting 13 and the end thereof contacts of top roll 17 of top roll groove being positioned at the first side plate 1, the spring pressure bar 10 of the second briquetting 18 contacts with the other end of top roll 17 of the top roll groove being positioned at the second side plate 21, thus can apply pressure to top roll.During skin samples for different-thickness, automatic fine tuning can be carried out to the position of top roll 17 by the setting of spring 23, thus ensure that skin samples is cut off.
As shown in Figure 4, described pressure assembly also comprises the envelope nut 11 for spring 23 and spring pressure bar 10 being locked in respectively in the first briquetting 13, second briquetting 18.
As shown in the figures 1 and 2, in the present invention, described skin speed is cut machine and is also comprised knurled pin 4, gear protective cover 7, top roll protective cover 12 and protection handle 14.
Wherein, described knurled pin 4 is positioned on base assembly, for fixation pressure assembly and base assembly.Namely cut after on skin assembly when pressure assembly is pressed on, first briquetting 13 is pressed on the first side plate 1, second briquetting 18 is pressed on the second side plate 21, now by knurled pin 4 can by the first side plate 1 and the first briquetting 13 be fixing, the second side plate 21 is fixed with the second briquetting 18, thus realize fixing of pressure assembly and base assembly.
Described gear protective cover 7 is positioned at outside gear 8, for protecting gear 8, and accidentally injures operator when preventing described skin speed from cutting machine work.Described top roll protective cover 12 is positioned at above top roll 17, for protecting top roll 17, and prevents the blade 9 on top roll 17 from hurting sb.'s feelings.Described protection handle 14 is positioned at above the first briquetting 13, second briquetting 18, and the described skin speed of convenient carrying cuts machine.
In the present invention, the rotation of described lower roll 19 can directly be undertaken by rotating lower roll 19, after also can assembling manual wrench on lower roll 19, then rotation manual spanner and drive it to rotate, the present invention is not particularly limited.
The operation principle that skin speed provided by the invention cuts machine is: be placed in by skin-grafting plate sample 27 on backing plate 26, backing plate 26 is the various backing plates being applicable to medical industry material common in prior art; Then the overall skin of the present invention speed of putting into of backing plate surface being placed with skin-grafting plate sample 27 is cut on the supporting plate 3 of machine, pressing upward pressure assembly, and itself and base assembly is fixed by knurled pin 4; Adopt manual wrench to rotate lower roll 19, drive top roll 17 backwards rotation to occur by gear 8, skin-grafting plate sample is cut into strip by several blades 9 on top roll 17 simultaneously; Then open knurled pin 4 to be opened by pressure assembly, by backing plate unitary rotation 90 °, repeat aforementioned operation, the skin-grafting plate by strip cuts into multiple small pieces.
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 (11)

1. skin speed cuts a machine, it is characterized in that, comprises base assembly, cuts skin assembly and pressure assembly;
Described base assembly comprises the first side plate (1), the second side plate (21) that two pieces of opposition are arranged, and is provided with the supporting plate (3) for placing skin samples between the first side plate (1) and the second side plate (21); On first side plate (1), the second side plate (21), opposition is provided with lower roller aperture and top roll groove respectively, and lower roller aperture is positioned at supporting plate (3) below, and top roll slot is in supporting plate (3) top;
Described skin assembly of cutting comprises top roll (17), lower roll (19) for cutting skin, backwards rotation is there is, parallel several the same circular knifes (9) that is inlaid with in the surface of top roll (17) by two meshed gears (8) between top roll (17) and lower roll (19); The two ends of lower roll (19) are rotated respectively and are arranged in lower roller aperture, and the two ends of top roll (17) are rotated respectively and are arranged in top roll groove, and top roll (17) can move up and down along top roll groove;
Described pressure assembly comprises the first briquetting (13) be positioned on the first side plate (1) and the second briquetting (18) be positioned on the second side plate (21); First briquetting (13), the second briquetting are all built-in with spring in (18), and two spring bottom are equipped with spring pressure bar, and described spring pressure bar is used for two end in contact with the top roll (17) being positioned at top roll groove;
Described base assembly also comprises scraper plate (5); Described scraper plate (5) is arc, and one end of scraper plate (5) is fixed on the first side plate (1), the second side plate (21) by thimble (20), and the other end is positioned on supporting plate (3);
Described scraper plate (5) is provided with the cutter groove passed for blade (9), the position of described cutter groove is corresponding with the position of blade (9).
2. skin speed according to claim 1 cuts machine, it is characterized in that, described base assembly also comprises the riser (2) for supporting supporting plate (3); Described riser (2) is positioned between the first side plate (1), the second side plate (21), and is positioned at supporting plate (3) below.
3. skin speed according to claim 1 cuts machine, it is characterized in that, described gear (8) comprises upper roll gear and the lower roll gear of two engagements;
One end of top roll (17) through the first side plate (1) top roll groove and extend to the first side plate (1) and be fixedly connected with upper roll gear outward; One end of lower roll (19) through the first side plate (1) lower roller aperture and extend to the first side plate (1) and be fixedly connected with lower roll gear outward.
4. skin speed according to claim 3 cuts machine, it is characterized in that, the two ends of top roll (17) are rotated respectively by clutch shaft bearing (16) and are installed in top roll groove, and the two ends of lower roll (19) are rotated respectively by the second bearing (24) and are installed in lower roller aperture.
5. skin speed according to claim 4 cuts machine, it is characterized in that, described in cut skin assembly and also comprise back-up ring (25) for preventing clutch shaft bearing (16) left and right play; Back-up ring (25) is sheathed on top roll (17), and is positioned at the outside of clutch shaft bearing (16).
6. skin speed according to claim 1 cuts machine, it is characterized in that, equidistantly distributes between several same circular knifes (9).
7. the skin speed according to claim 1 or 6 cuts machine, it is characterized in that, described in cut skin assembly and also comprise several for separating the spacer (6) of blade (9); Described spacer (6) is positioned between two adjacent blades (9).
8. skin speed according to claim 7 cuts machine, it is characterized in that, described in cut skin assembly and also comprise locking nut (15) for compressing blade (9) and spacer (6); Described locking nut (15) is sheathed on top roll (17), and is positioned at the inner side of the second side plate (21).
9. skin speed according to claim 1 cuts machine, it is characterized in that, described pressure assembly also comprises the envelope nut (11) for spring and spring pressure bar being locked in respectively in the first briquetting (13), the second briquetting (18).
10. skin speed according to claim 1 cuts machine, it is characterized in that, described skin speed is cut machine and also comprised knurled pin (4), gear protective cover (7), top roll protective cover (12) and protection handle (14);
Described knurled pin (4) is positioned on base assembly, for fixation pressure assembly and base assembly; Described gear protective cover (7) is positioned at gear (8) outside; Described top roll protective cover (12) is positioned at top roll (17) top; Described protection handle (14) is positioned at the first briquetting (13), the second briquetting (18) top.
11. skin speed according to claim 1 cut machine, it is characterized in that, described skin speed is cut machine and also comprised manual wrench for driving lower roll (19) to rotate.
CN201210039313.9A 2012-02-21 2012-02-21 High-speed skin cutting machine Active CN103251442B (en)

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Application Number Priority Date Filing Date Title
CN201210039313.9A CN103251442B (en) 2012-02-21 2012-02-21 High-speed skin cutting machine

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Application Number Priority Date Filing Date Title
CN201210039313.9A CN103251442B (en) 2012-02-21 2012-02-21 High-speed skin cutting machine

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CN103251442B true CN103251442B (en) 2015-03-04

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Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104042307B (en) * 2014-06-30 2016-08-24 重庆西山科技股份有限公司 Electronic skin-grafting net making machine
CN104116549B (en) * 2014-08-01 2016-06-29 天津宏九地工程机械有限公司 Epithelium stripping machine
CN107361797A (en) * 2017-08-11 2017-11-21 浙江省皮肤病防治研究所 A kind of leper's tissue fluid gathers apparatus

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Publication number Priority date Publication date Assignee Title
US5004468A (en) * 1989-07-03 1991-04-02 Zimmer Skin graft preparation apparatus
CN2105256U (en) * 1990-09-26 1992-05-27 李连博 Skin cutter for medical use
CN2133264Y (en) * 1992-09-28 1993-05-19 黄宏 Automatic stamp sample cutting machine
US6063094A (en) * 1995-12-07 2000-05-16 L.R. Surgical Instruments Ltd. Adjustable skin mesher device and a system for using the same
CN201046149Y (en) * 2007-06-14 2008-04-16 张怀田 Human body skin-grafting piece cutting-net skin-enlarging machine
CN202537611U (en) * 2012-02-21 2012-11-21 比亚迪股份有限公司 Rapid skin cutter

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5004468A (en) * 1989-07-03 1991-04-02 Zimmer Skin graft preparation apparatus
CN2105256U (en) * 1990-09-26 1992-05-27 李连博 Skin cutter for medical use
CN2133264Y (en) * 1992-09-28 1993-05-19 黄宏 Automatic stamp sample cutting machine
US6063094A (en) * 1995-12-07 2000-05-16 L.R. Surgical Instruments Ltd. Adjustable skin mesher device and a system for using the same
CN201046149Y (en) * 2007-06-14 2008-04-16 张怀田 Human body skin-grafting piece cutting-net skin-enlarging machine
CN202537611U (en) * 2012-02-21 2012-11-21 比亚迪股份有限公司 Rapid skin cutter

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