CN202537611U

CN202537611U - Rapid skin cutter

Info

Publication number: CN202537611U
Application number: CN2012200560917U
Authority: CN
Inventors: 伊丹; 李刚; 宫清; 李志海
Original assignee: BYD Co Ltd
Current assignee: BYD Co Ltd
Priority date: 2012-02-21
Filing date: 2012-02-21
Publication date: 2012-11-21
Anticipated expiration: 2022-02-21

Abstract

The utility model provides a rapid skin cutter which comprises a base component, a skin cutting component and a pressure component. The base component comprises two side plates which are oppositely disposed. A support plate 3 for placing skin samples is disposed between the two side plates. The two side plates are provided with lower roller holes and upper roller grooves. The skin cutting component comprises an upper roller 17 and a lower roller 19. Reverse rotation of the upper roller 17 and the lower roller 19 are achieved through two meshed gears 8. The roller 17 which can move up and down along the upper roller grooves is provided with a blade 9 on surface. The pressure component comprises two pressing blocks provided with springs inside. A spring pressure bar is disposed at the bottom of each spring. The spring pressure bars at the bottoms of the springs are used for contacting with the upper roller 17. When the rapid skin cutter is used, distance between the upper roller 17 and the lower 19 can be slightly adjusted automatically according to thickness of skins, and the problem that the skin samples cannot be cut off in existing skin rolling machines is solved effectively.

Description

A kind of skin speed cutter

Technical field

This utility model belongs to medical instruments field, is specifically related to a kind of skin speed cutter.

Background technology

Grafting for burns is treatment fire victim's a common methods.Medically, because the rejection between the individuality, for the treatment of deep burn, allograft skin, xenogenesis skin etc. are various hinders the face covering to hinder face only is the short-term protection to lacking skin, and its final purpose is to grow with the breeding of self chrotoplast to accomplish whole coverings and hinder face.Therefore realizing to greatest extent to hindering the covering of face with the skin source of trying one's best few, is the common target of pursuing of present doctor and patient.

Adopt the wider skin-grafting plate that has to cut the net method in the existing dermatoplastic method; This method is to open on the skin-grafting plate big; Cut several each other equal and opposite in direction, be parallel to each other, staggered otch, horizontal open just as same throwing the net, with this mesh skin graft be implanted in hinder face after; Can keep hindering certain elasticity of face, help the answer of limb function.At present; Skin-grafting plate cut net normal adopt roll the skin machine; Its structure is: two round steel rollers that diameter is identical; Two round steel rollers are parallel to each other and are installed on the support, and top round steel roller surface is inlaid with equal and opposite in direction, is parallel to each other, spacing equates, the blade of interlaced arrangement, and all blade cylindricals must be with circle.During operation; The big skin-grafting plate of opening that cuts is tiled on the plastic plate; Above rotating through wind the round steel roller of blade is arranged, and the plastic plate that will be covered with skin graft places rolling between the two round steel rollers, skin-grafting plate is just shut out the edge of a knife identical with blades aligned like this; Rotate 90 ° and continue rolling, roll and be cut into little skin graft; Or roll with the expansion blade and to cut skin-grafting plate, horizontally then draw skin graft to become net.But because the uneven thickness of the skin-grafting plate obtained, and be used for rolling and the spacing of two round steel rollers of blade is housed certain, can not adjust; Therefore when the rolling skin graft; Can cause situation about not cutting through, promptly skin incision is cut fully, also needs the doctor to do the complementarity cutting with scalpel before the skin-grafting.

Summary of the invention

This utility model has solved that skin-grafting plate in the prior art cuts that net adopts rolls fixing can not the adjustment of two roller spacings that the skin machine exists and causes existing in the skin samples cutting process technical problem that does not cut through.

This utility model provides a kind of skin speed cutter, comprises base assembly, cuts skin assembly and pressure assembly;

Be provided with the supporting plate 3 that is used to place skin samples between first side plate 1, second side plate, 21, the first side plates 1 and second side plate 21 that said base assembly comprises that two opposition are provided with; On first side plate 1, second side plate 21 respectively opposition be provided with lower roll hole and top roll groove, and the lower roll hole is positioned at supporting plate 3 belows, the top roll groove is positioned at supporting plate 3 tops;

The said skin assembly of cutting comprises top roll 17, the lower roll 19 that is used to cut skin, through two meshed gears 8 backwards rotation takes place between top roll 17 and the lower roll 19, and the surperficial parallel of top roll 17 is inlaid with several with circular knife 9; The two ends of lower roll 19 are rotated respectively and are arranged in the lower roll hole, and the two ends of top roll 17 are rotated respectively and are arranged in the top roll groove, and top roll 17 can move up and down along the top roll groove;

Said pressure assembly comprises and is positioned at first briquetting 13 on first side plate 1 and is positioned at second briquetting 18 on second side plate 21; All be built-in with spring in first briquetting 13, second briquetting 18, two springs bottoms are equipped with spring pressure bar, and said spring pressure bar is used for and two end in contact that are positioned at the top roll 17 of top roll groove.

As the further improvement of this utility model, said base assembly also comprises the riser 2 that is used to support supporting plate 3; Said riser 2 and is positioned at supporting plate 3 belows between first side plate 1, second side plate 21.

As the further improvement of this utility model, said base assembly also comprises scraper plate 5; Said scraper plate 5 is an arc, and an end of scraper plate 5 is fixed on first side plate 1, second side plate 21 through thimble 20, and the other end is positioned on the supporting plate 3.Said scraper plate 5 is provided with and is used for the cutter groove that blade 9 passes, and the position of said cutter groove is corresponding with the position of blade 9.

As the further improvement of this utility model, the said skin assembly of cutting also comprises the back-up ring 25 that is used to prevent clutch shaft bearing 16 left and right sides plaies; Back-up ring 25 is sheathed on the top roll 17, and is positioned at the outside of clutch shaft bearing 16.

As the further improvement of this utility model, the said skin assembly of cutting comprises that also several are used to separate the spacer 6 of blade 9; Said spacer 6 is between two adjacent blades 9.

As the further improvement of this utility model, the said skin assembly of cutting also comprises the locking nut 15 that is used to compress blade 9 and spacer 6; Said locking nut 15 is sheathed on the top roll 17, and is positioned at the inboard of second side plate 21.

As the further improvement of this utility model, said pressure assembly also comprises and is used for spring and spring pressure bar are locked in the envelope nut 11 in first briquetting 13, second briquetting 18 respectively.

As the further improvement of this utility model, said skin speed cutter also comprises annular knurl pin 4, gear protective cover 7, top roll protective cover 12 and protection handle 14;

Said annular knurl pin 4 is positioned on the base assembly, is used for fixing pressure assembly and base assembly; Said gear protective cover 7 is positioned at gear 8 outsides; Said top roll protective cover 12 is positioned at top roll 17 tops; Said protection handle 14 is positioned at first briquetting 13, second briquetting, 18 tops.

As the further improvement of this utility model, said skin speed cutter also comprises the manual wrench that is used to drive lower roll 19 rotations.

The skin speed cutter that this utility model provides; Exert pressure to cutting the skin assembly through pressure assembly; Specifically exert pressure through

spring

23,10 pairs of top rolls 17 of spring pressure bar; Therefore top roll 17 can be moved up and down along the top roll groove, in use the distance between top roll 17, the lower roll 19 is carried out automatic fine tuning, thereby effectively solve the existing problem that the skin samples that exists in the skin machine can't cut of rolling according to the thickness of skin samples.

Description of drawings

Fig. 1 is the structural representation of the skin speed cutter that provides of this utility model.

Fig. 2 is the structural representation of the skin speed cutter that provides of this utility model under in working order.

Fig. 3 is the A-A cutaway view of Fig. 2.

Fig. 4 is the partial enlarged drawing of C part among Fig. 3.

Fig. 5 is the B-B cutaway view of Fig. 2.

The specific embodiment

Clearer for technical problem, technical scheme and beneficial effect that this utility model is solved, below in conjunction with accompanying drawing and embodiment, this utility model is further elaborated.Should be appreciated that practical implementation described herein only in order to explanation this utility model, and be not used in qualification this utility model.

This utility model provides a kind of skin speed cutter, comprises base assembly, cuts skin assembly and pressure assembly.

During off working state, pressure assembly is an open mode, and this moment, the structure of skin speed cutter was as shown in Figure 1.Under the duty, pressure assembly depressed and be pressed on cut on the skin assembly, this moment, the structure of skin speed cutter was as shown in Figure 2, and its A-A face cutaway view is as shown in Figure 3, and B-B face cutaway view is as shown in Figure 5.

Particularly, like Fig. 1, shown in 2, first side plate 1, second side plate 21 that said base assembly comprises that two opposition are provided with.Be provided with supporting plate 3 between first side plate 1 and second side plate 21, this supporting plate 3 is used to place skin samples.Like Fig. 1, shown in 2; On first side plate 1, second side plate 21 respectively opposition be provided with lower roll hole and top roll groove, and the lower roll hole is positioned at supporting plate 3 belows, the top roll groove is positioned at supporting plate 3 tops; Guarantee that lower roll 19 is positioned at the supporting plate below; And top roll 17 is positioned at supporting plate 3 tops, thereby can pass through the backwards rotation of lower roll 19, top roll 17, and the skin samples of placing on the supporting plate between the two 3 is cut.

Like Fig. 1, shown in 2, said base assembly also comprises the riser 2 that is used to support supporting plate 3.Said riser 2 and is positioned at supporting plate 3 belows between first side plate 1, second side plate 21, thereby carries supporting plate 3 from the below.

In this utility model, said base assembly also comprises scraper plate 5, and the skin patch that can prevent to cut after the completion through scraper plate 5 is bonded on the blade 9, realizes that promptly dermatotome separates.As shown in Figure 5, said scraper plate 5 is an arc, and an end of scraper plate 5 is fixed on first side plate 1, second side plate 21 through thimble 20, and the other end is positioned on the supporting plate 3.As shown in Figure 1; Said scraper plate 5 is provided with and is used for the cutter groove that blade 9 passes; Be that blade 9 can pass the cutter groove on the scraper plate 5, the skin samples of scraper plate 5 belows is cut, open after cutting is accomplished and cut in the skin assembly; Through the interception of 5 pairs of skin patch of scraper plate, can prevent that the skin patch of cutting completion is bonded on the blade 9.As shown in Figure 1, the position of said scraper plate 5 upper knife grooves should be corresponding with the position of blade 9, otherwise can damage blade 9.

Shown in Fig. 1-4, the said skin assembly of cutting comprises top roll 17, the lower roll 19 that is used to cut skin.Wherein, the two ends of lower roll 19 are rotated respectively and are arranged in the lower roll hole, and the two ends of top roll 17 are rotated respectively and are arranged in the top roll groove.Through the setting of top roll groove, can guarantee that top roll 17 moves up and down along this top roll groove, thereby make that the distance between top roll 17, the lower roll 19 is adjustable.As shown in Figure 1, the surface of top roll 17 is equidistantly parallel to be inlaid with several with circular knife 9, and promptly top roll 17 drives blade 9 and rotates in rotation process, can the skin samples of top roll 17 belows be cut.

In this utility model,, be connected through two meshed gears 8 between top roll 17 and the lower roll 19 backwards rotation takes place like Fig. 1, shown in 3.Particularly, as shown in Figure 3, said gear 8 comprises the upper roll gear and following roller gear of two engagements.One end of top roll 17 passes the top roll groove of first side plate 1 and extends to outside first side plate 1 and is fixedly connected with upper roll gear.Similarly, an end of lower roll 19 passes the lower roll hole of first side plate 1 and extends to outside first side plate 1 and is fixedly connected with following roller gear.After promptly rotating lower roll 19, following roller gear also rotates, the upper roll gear generation backward rotation of drive and lower roll gears engaged, and drive top roll 17 backward rotation, realize that promptly backwards rotation takes place simultaneously for top roll 17 and lower roll 19.

Said top roll 17 and upper roll gear and lower roll 19 are the common variety of way of those skilled in the art with the mode that is fixedly connected of following roller gear, and this utility model does not have particular determination.For example; Be provided with the keyway of depression at the upper roll gear inner surface, top roll 17 surfaces are provided with the keyway of protrusion, and upper roll gear 17 is sheathed on the top roll 17; And make keyway and the coupling of the keyway on the upper roll gear on the top roll 17, thereby upper roll gear is fixedly connected with top roll 17.Similarly, lower roll 19 also can be fixedly connected through the keyway matching mode with following roller gear 19.Under the preferable case, also can refill and join axle head screw 22, prevent that upper roll gear comes off, descends roller gear to come off from lower roll 19 from top roll 17 in the work process at an end of top roll 17 and/or lower roll 19.

In this utility model, for reduce in top roll 17, lower roll 19 rotation processes and first side plate 1, second side plate 21 between frictional force, like Fig. 1,2, shown in 3, the two ends of top roll 17 are rotated through clutch shaft bearing 16 respectively and are installed in the top roll groove; As shown in Figure 3, the two ends of lower roll 19 are rotated through second bearing 24 respectively and are installed in the lower roll hole.

For preventing clutch shaft bearing 16 left and right sides plaies, as shown in Figure 3, be arranged with back-up ring 25 on the top roll 17, this back-up ring 25 is positioned at the outside of clutch shaft bearing 16.

Like Fig. 1, shown in 3, in this utility model, several are with equidistantly distributing between the circular knife 9, thereby each skin patch that can guarantee to cut after the completion has identical size.As a kind of preferred implementation of this utility model, the said skin assembly of cutting comprises that also several are used to separate the spacer 6 of blade 9.All adopt spacer 6 to separate between every two adjacent blades 9.Shown in Fig. 1 or 3, near also being arranged with locking nut 15 on the inboard of second side plate 21, can blade 9 and spacer 6 being compressed or unclamp on the top roll 17 through rotational lock nut 15.

In this utility model, as shown in Figure 1, said pressure assembly comprises and is positioned at first briquetting 13 on first side plate 1 and is positioned at second briquetting 18 on second side plate 21.First briquetting 13 is identical with the structure of second briquetting 18.As shown in Figure 4, second briquetting 18 is built-in with spring 23, and spring 23 bottoms are provided with spring pressure bar 10.The structure of first briquetting 13 is identical with second briquetting 18.

Pressure assembly is pressure bonded to cuts on the skin assembly, first briquetting 13 is pressed on first side plate 1, and second briquetting 18 is pressed on second side plate 21.One end in contact of top roll 17 of the spring pressure bar of first briquetting 13 and the top roll groove that is positioned at first side plate 1, the spring pressure bar 10 of second briquetting 18 contacts with the other end of the top roll 17 of the top roll groove that is positioned at second side plate 21, thereby can exert pressure to top roll.During to the skin samples of different-thickness, can carry out automatic fine tuning to the position of top roll 17 through the setting of spring 23, thereby guarantee that skin samples is cut off.

As shown in Figure 4, said pressure assembly also comprises and is used for spring 23 and spring pressure bar 10 are locked in the envelope nut 11 in first briquetting 13, second briquetting 18 respectively.

Shown in Fig. 1 or 2, in this utility model, said skin speed cutter also comprises annular knurl pin 4, gear protective cover 7, top roll protective cover 12 and protection handle 14.

Wherein, said annular knurl pin 4 is positioned on the base assembly, is used for fixing pressure assembly and base assembly.Promptly when pressure assembly be pressed on cut on the skin assembly after; First briquetting 13 is pressed on first side plate 1; Second briquetting 18 is pressed on second side plate 21; This moment through annular knurl pin 4 can first side plate 1 and first briquetting 13 is fixing, second side plate 21 fixes with second briquetting 18, thereby the fixing of realization pressure assembly and base assembly.

Said gear protective cover 7 is positioned at gear 8 outsides, is used to protect gear 8, and prevents to accidentally injure when said skin speed cutter from working operator.Said top roll protective cover 12 is positioned at top roll 17 tops, is used to protect top roll 17, and prevents that the blade 9 on the top roll 17 from hurting sb.'s feelings.Said protection handle 14 is positioned at first briquetting 13, second briquetting, 18 tops, the said skin speed of convenient carrying cutter.

In this utility model, the rotation of said lower roll 19 can be directly be carried out through rotating lower roll 19, also can be behind assembling manual wrench on the lower roll 19, and rotation manual spanner and drive its rotation again, this utility model does not have particular determination.

The operation principle of the skin speed cutter that this utility model provides is: skin-grafting plate sample 27 is placed on the backing plate 26, and backing plate 26 is the common various backing plates that are applicable to the medical industry material in the prior art; The backing plate integral body that then surface is placed with skin-grafting plate sample 27 is put on the supporting plate 3 of skin speed cutter of this utility model, pressing upward pressure assembly, and through annular knurl pin 4 itself and base assembly are fixed; Adopt manual wrench to rotate lower roll 19, drive top roll 17 through gear 8 backwards rotation takes place simultaneously, several blades 9 on the top roll 17 cut into strip with the skin-grafting plate sample; Open annular knurl pin 4 then pressure assembly is opened, with 90 ° of backing plate unitary rotation, repeat aforementioned operation, the skin-grafting plate that is about to strip cuts into a plurality of small pieces.

The above is merely the preferred embodiment of this utility model; Not in order to restriction this utility model; Any modification of being done within all spirit and principles at this utility model, be equal to replacement and improvement etc., all should be included within the protection domain of this utility model.

Claims

1. a skin speed cutter is characterized in that, comprises base assembly, cuts skin assembly and pressure assembly;

Said base assembly comprises first side plate (1), second side plate (21) that two opposition are provided with, and is provided with the supporting plate (3) that is used to place skin samples between first side plate (1) and second side plate (21); On first side plate (1), second side plate (21) respectively opposition be provided with lower roll hole and top roll groove, and the lower roll hole is positioned at supporting plate (3) below, the top roll groove is positioned at above the supporting plate (3);

The said skin assembly of cutting comprises top roll (17), the lower roll (19) that is used to cut skin; Between top roll (17) and the lower roll (19) backwards rotation takes place, surperficial parallel several same circular knifes (9) that is inlaid with of top roll (17) through two meshed gears (8); The two ends of lower roll (19) are rotated respectively and are arranged in the lower roll hole, and the two ends of top roll (17) are rotated respectively and are arranged in the top roll groove, and top roll (17) can move up and down along the top roll groove;

Said pressure assembly comprises first briquetting (13) that is positioned on first side plate (1) and is positioned at second briquetting (18) on second side plate (21); First briquetting (13), second briquetting all are built-in with spring in (18), and two spring bottoms are equipped with spring pressure bar, and said spring pressure bar is used for and two end in contact that are positioned at the top roll (17) of top roll groove.

2. skin speed cutter according to claim 1 is characterized in that said base assembly also comprises the riser (2) that is used to support supporting plate (3); Said riser (2) is positioned between first side plate (1), second side plate (21), and is positioned at supporting plate (3) below.

3. skin speed cutter according to claim 1 is characterized in that said base assembly also comprises scraper plate (5); Said scraper plate (5) is an arc, and an end of scraper plate (5) is fixed on first side plate (1), second side plate (21) through thimble (20), and the other end is positioned on the supporting plate (3).

4. skin speed cutter according to claim 3 is characterized in that said scraper plate (5) is provided with and is used for the cutter groove that blade (9) passes, and the position of said cutter groove is corresponding with the position of blade (9).

5. skin speed cutter according to claim 1 is characterized in that said gear (8) comprises the upper roll gear and following roller gear of two engagements;

One end of top roll (17) passes the top roll groove of first side plate (1) and extends to outside first side plate (1) and is fixedly connected with upper roll gear; One end of lower roll (19) passes the lower roll hole of first side plate (1) and extends to outside first side plate (1) and is fixedly connected with following roller gear.

6. skin speed cutter according to claim 5 is characterized in that the two ends of top roll (17) are rotated through clutch shaft bearing (16) respectively and are installed in the top roll groove, and the two ends of lower roll (19) are rotated through second bearing (24) respectively and are installed in the lower roll hole.

7. skin speed cutter according to claim 1 is characterized in that the said skin assembly of cutting also comprises the back-up ring (25) that is used to prevent clutch shaft bearing (16) left and right sides play; Back-up ring (25) is sheathed on the top roll (17), and is positioned at the outside of clutch shaft bearing (16).

8. skin speed cutter according to claim 1 is characterized in that, equidistantly distributes between several same circular knifes (9).

9. according to claim 1 or 8 described skin speed cutters, it is characterized in that the said skin assembly of cutting comprises that also several are used to separate the spacer of blade (9) (6); Said spacer (6) is positioned between adjacent two blades (9).

10. skin speed cutter according to claim 1 is characterized in that the said skin assembly of cutting also comprises the locking nut (15) that is used to compress blade (9) and spacer (6); Said locking nut (15) is sheathed on the top roll (17), and is positioned at the inboard of second side plate (21).

11. skin speed cutter according to claim 1 is characterized in that, said pressure assembly also comprises and is used for spring and spring pressure bar are locked in the envelope nut (11) in first briquetting (13), second briquetting (18) respectively.

12. skin speed cutter according to claim 1 is characterized in that, said skin speed cutter also comprises annular knurl pin (4), gear protective cover (7), top roll protective cover (12) and protection handle (14);

Said annular knurl pin (4) is positioned on the base assembly, is used for fixing pressure assembly and base assembly; Said gear protective cover (7) is positioned at gear (8) outside; Said top roll protective cover (12) is positioned at top roll (17) top; Said protection handle (14) is positioned at first briquetting (13), second briquetting (18) top.

13. skin speed cutter according to claim 1 is characterized in that, said skin speed cutter also comprises the manual wrench that is used to drive lower roll (19) rotation.