CN2105256U - Skin cutter for medical use - Google Patents
Skin cutter for medical use Download PDFInfo
- Publication number
- CN2105256U CN2105256U CN 90219463 CN90219463U CN2105256U CN 2105256 U CN2105256 U CN 2105256U CN 90219463 CN90219463 CN 90219463 CN 90219463 U CN90219463 U CN 90219463U CN 2105256 U CN2105256 U CN 2105256U
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- CN
- China
- Prior art keywords
- knife rest
- upper box
- skin
- axostylus axostyle
- big roller
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Abstract
The utility model relates to a skin cutter for medical use, which is a medical device used for surgery. The utility model is a vertical type structure, and is composed of a mechanical transmission system, a skin placing system, a cutting feed system, a dial test indicator regulation and control system, a guiding device, an electric control part, etc. All components are respectively arranged in an upper box body and a lower box body. That a speed reducer rotates can lead the big roller of the upper box body to rotate at an even speed through the driving of a chain. The right and left reciprocating cutting movement of cutting blades on the cutter frame of the upper box body can be achieve through a motor and a belt pulley which drive a worm wheel and a worm screw, and a swing lever which drives the shaft lever of the cutter frame. The utility model has the advantages of high cutting speed, uniform skin thickness, high utilization rate of the skin, and sterile operation, and can realize large quantity of cutting.
Description
Medical dermatome is a kind of surgery medical machinery that is used to cut skin-grafting.
Each hospital burn department face-lifting section of China adopts the cutting of general surgery cutter to handle skin-grafting at present, and each cutting is limited to the about 10 * 20(millimeter of small size)
2One or 20 * 20(millimeter)
2One, shortcoming is that cutting speed is slow, and is unhygienic, the skin that cuts in uneven thickness, and the utilization rate of skin is low, increases patient's misery.
The purpose of this utility model is to have the above-mentioned shortcoming of peeling earnestly with operation now in order to overcome, and a kind of medical dermatome is provided, and cutting speed is fast, and thickness is even, can realize the sterile working, and sanitary condition is good; The utilization rate height of skin, but and large tracts of land cut in a large number, alleviate the labor intensity that the medical worker handles allograft skin, for allo-skin graft with set up skin storehouse preparatory condition.
Medical dermatome is illustrated in figure 1 as vertical structure.By machine driven system, put dermal system, feeding system, the dial gauge regulator control system, guidance system, electric-control system is formed.All parts are installed in respectively in upper box (31) and the lower box (32).The structure and the operation principle of each system are as follows:
The a machine driven system comprises as shown in Figure 3: motor (1) is installed in the bottom of lower box (32), it drives and is installed in upper box (31) interior knife rest axostylus axostyle (15), knife rest (13), is installed in back and forth fly-cutting campaign about blade (14) work on the knife rest, motion spacing 4mm by driving belt (2) belt pulley (4) drive worm gear (5), worm screw (6), fork (8).The rotation of belt pulley (4) drives reductor (3) and does at the uniform velocity slowly from bottom to top (as shown by arrows) rotation by the big roller (17) that chain (7) drives in the upper box, the skin graft of cutting in advance that at this moment will be clipped in big roller breach (18) cuts, and Fig. 4 dotted line promptly is the orientation of cutting skin graft in advance.
B puts dermal system such as Fig. 4 is shown in Figure 5, comprise: big roller (17) big roller (17) that is installed in the upper box both sides goes up jagged (18), bark pocket plate (19) is housed at this breach edge and be used for the screw nut (20) of fastening skin graft and dermatotome, has shallow slot (33) to be used to prevent that the skin base from skidding on the big roller (17).When putting skin skin base surface down, fat deposit up, skin base one end is placed on big roller breach (18) and locates, push down with bark pocket plate (19), tighten screw nut (20), rotate clutch (23), big roller (17) is upwards rotated (as shown by arrows) week, the skin base is wrapped on the big roller (17).
The c feeding system as shown in Figure 3, comprise and connect the mechanical transmission component fork (8) of going up lower box, knife rest axostylus axostyle (15) by its drive, the knife rest (13) of blade (14) is installed, fork during cutting (8) drives knife rest axostylus axostyle (15), back and forth quick cutting movement about knife rest axostylus axostyle (15) drive knife rest (13) is done.
D dial gauge regulator control system is used for controlling the thickness of cutting skin graft and comprises as shown in Figure 2: the handle (10), bent axle (9), slide block (21), the knife rest axostylus axostyle (15) that are installed in upper box, be fixed on the bent plate (16) on the knife rest axostylus axostyle, dial gauge thimble (12) and dial gauge (11).Turning handle (10) rotates bent axle (9) (being eccentric shaft), slide block (21) upper and lower displacement in the chute at knife rest (13) top, because the eccentric shaft effect of bent axle (9), driving knife rest axostylus axostyle (15) moves forward and backward, because knife rest (13) is fixed together with knife rest axostylus axostyle (15) and moves simultaneously, make blade (14) produce respective change apart from big roller (17) surface distance, drive is fixed on bent plate (16) on the knife rest axostylus axostyle (15) and does simultaneously and move up and down, make the corresponding upper and lower displacement of dial gauge thimble (12) that is positioned on the bent plate (16), make the pointer on the dial gauge (11) point to corresponding reading.Therefore, the reading on the adjustment dial gauge (11) is with regard to the adjustable thickness of cutting skin.
E guider (seeing Fig. 1, Fig. 4) comprising: guide plate (26), guide plate is adjusted screw (27), pressure roller (24) and carrying roller (25).Guide plate (26) two ends are fixed on upper box (31) both sides, and its inner surface is near big roller (17), and guide plate relies on that the elasticity of big roller adjusts with the adjustment screw (27) that has compression spring.Back and forth during fly-cutting, guide plate (26) is pushed down and is cut skin graft in advance about blade (14) carries out, and prevents that skin graft from crumpling in working angles.Big roller (17) rotating band dynamic pressure roller (24) is to backward rotation, carrying roller (25) have 4 back that are distributed in big roller (17) and below, apart from the about 8mm of big roller, be that to guarantee to cut skin graft in advance straight and even, do not leave big roller.
The automatically controlled part of f is installed in upper box (31) one sides, and shift knob (30) has 3, and wherein A(opens), B(closes), the switch of C illuminating lamp and ultraviolet disinfection lamp, attaching plug (28) is installed in the rear portion of lower box (32).
Other parts of g comprise: cover on the transparent dust cover (29) on the upper box (31), ultraviolet disinfection lamp and cleaning hairbrush are placed in the accessory case as adnexa.
The key technical indexes:
Cut 7 millimeters of skin base maximum ga(u)ges in advance
Can cut maximum skin graft 300 * 600(millimeter)
2
Can cut 0.4 millimeter of the minimum thickness of skin graft
200 millimeters/minute of cutting speeds
Blade pendulum apart from 4 millimeters/back and forth
Power of motor and rotating speed 0.3Kw, 1440 rev/mins
Operation sequence:
1, whether each connection of inspection machine is intact comprehensively before the start;
2, knife rest (13) is transferred to ultimate range;
3, handle (10) is outwards pulled out, loosen the clutch (23), with hands rotate big roller (17) big roller rotate normal after, to snap in big roller breach (18) firmly fixed with bark pocket plate (18) card with shearing an end of cutting skin graft in advance of rectifying, and skin graft is sent in pressure roller (24), the carrying roller (25);
4, carry out smooth processing to cutting skin graft in advance, pulling handle (10) drives bent axle (9) pointer of dial gauge (11) is aimed at 1-2 millimeter position, adjusts guide plate and adjusts screw (27) after tightness is suitable, presses the button A, carries out Yi Dao Qiepi;
5, after Yi Dao Qiepi finishes, press the button B, shut down, adjust dial gauge (11) and make pointer aim at 1 millimeter, press the button A again and carry out Er Dao Qiepi, finish Er Dao Qiepi after, on the big roller (17) cut in advance skin can reach smooth evenly;
6, use the cutting of skin graft: adjust dial gauge (11) after Yi Dao Qiepi finishes and make pointer aim at the final thickness that requires, press the button A, formally cut.Can repeat to adjust dial gauge (11) and carry out Repeated Cutting according to the number of the thickness of cutting skin in advance and needs;
7, finish using, with detergent, clear water, medical disinfectant, clean, sterilize, use ultraviolet radiation disinfection, oven dry at last, dustproof protecting cover on the cover (29) is in order to using next time.
Description of drawings:
Fig. 1 is medical dermatome structure intention;
Fig. 2 is this dermatome dial gauge regulator control system figure;
Fig. 3 is this dermatome schematic diagram of movements;
Fig. 4 is that to put dermal system be big roller and bark pocket plate structural side view to this dermatome;
Fig. 5 is this dermatome big roller and bark pocket plate structure front view.
Mark among the figure:
The 1-motor, 2-belt, 3-reductor, 4-belt pulley, the 5-worm gear, 6-worm screw, 7-chain, 8-fork, the 9-bent axle, 10-handle, 11-dial gauge, 12-dial gauge thimble, the 13-knife rest, 14-blade, 15-knife rest axostylus axostyle, 16-bent plate, the 17-big roller, 18-big roller breach, 19-bark pocket plate, 20-bark pocket plate bolt nut, the 21-slide block, 22-trip bolt, 23-clutch, the 24-pressure roller, 25-carrying roller, 26-guide plate, 27-adjusts screw, 28-attaching plug, 29-dust cover, 30-shift knob A(opens), B(closes), C illuminating lamp or Burdick lamp switch, the 3-upper box, 32-lower box, 33-shallow slot.
The utility model is stated its advantage of cutter comparison with existing common hand: cutting is fast, and 200 millimeters of per minutes, skin graft thickness are the 0.4-2.0 millimeter, even thickness, maximum skin graft 300 * 600(millimeter)2, the utilization rate height of skin, but sterile working, sanitary condition is good, can realize that large tracts of land cuts in a large number, alleviates the medical worker and processes skin-grafting labour intensity, for allo-skin graft with set up skin for subsequent use storehouse preparatory condition.
Claims (2)
1, medical dermatome is the medical machinery that a kind of surgery uses.It by machine driven system, put dermal system, feeding system, the electric control part part of grading and form.Wherein:
A, its machine driven system comprise: the motor (1) that is installed in lower box (32) bottom drives belt pulley (4) by driving belt (2), worm gear (5), worm screw (6), fork (8), fork (8) drives the knife rest axostylus axostyle (15) that is installed in upper box (31), knife rest (13), back and forth fly-cutting campaign about the blade (14) on the installation knife rest is done; The rotation of belt pulley (4) drives reductor (3), and the big roller (17) that drives upper box by chain (7) is done (shown in the arrow) rotation at the uniform velocity slowly from bottom to top;
B, its dermal system of putting comprise: be installed in the big roller (17) of upper box both sides, jagged on big roller (18) have bark pocket plate (19) and are used for fixing the screw nut (20) of skin graft clamping plate at the edge of this breach (18);
C, its feeding system comprise: the mechanical transmission component fork (8) of lower box in the connection, fork (8) is connected with knife rest axostylus axostyle (15), knife rest (13) and knife rest axostylus axostyle (15) are fixed together, blade (14) is housed on the knife rest, fork during work (8) drives knife rest axostylus axostyle (15), back and forth fly-cutting campaign about the knife rest (13) that has a blade is done;
D, its electric control part branch comprise: 3 of press buttones that are installed in upper box (31) one sides are A (opening) wherein, and B (pass) C is illuminating lamp and disinfection by ultraviolet light lamp switch, and attaching plug is installed in lower box (32) rear portion;
It is characterized in that described dermatome has a dial gauge control system, its bent axle (9) is eccentric, two ends are installed in upper box (31) both sides, the one end is equipped with handle (10), dial gauge (11) is equipped with on top, dial gauge thimble (12), bent plate (16) is to be fixed on the knife rest axostylus axostyle (15), slide block (21) is contained on the knife rest (13), turning handle (10) bent axle (9) rotates thereupon, make slide block (21) upper and lower displacement in the chute at the top of knife rest, driving knife rest axostylus axostyle (15) moves forward and backward, because knife rest and knife rest axostylus axostyle are fixed together, move together,, make the corresponding upper and lower displacement of dial gauge thimble (12) that is positioned on the bent plate so the bent plate 16 that is fixed on the knife rest axostylus axostyle can move up and down; Its guider includes guide plate (26), guide plate is adjusted screw (27), pressure roller (24) and carrying roller (25), guide plate (26) two ends are fixed on upper box (31) both sides, its inner surface is near big roller (17), the elasticity that relies on big roller is to adjust with the adjustment screw (27) that has compression spring, and big roller (17) rotating band dynamic pressure roller (24) is to backward rotation; 4 two ends of carrying roller are installed in the upper box both sides, be distributed in big roller (17) the back and below; Its big roller of putting dermal system (17) surface has and prevents that skin from pulling the shallow slot (33) that skids;
2, according to the described dermatome of claim 1, it is characterized in that this machine is a vertical structure, all parts are installed in respectively in upper box (31) and the lower box (32), and upper box is covered with transparent dust cover (29).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 90219463 CN2105256U (en) | 1990-09-26 | 1990-09-26 | Skin cutter for medical use |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 90219463 CN2105256U (en) | 1990-09-26 | 1990-09-26 | Skin cutter for medical use |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2105256U true CN2105256U (en) | 1992-05-27 |
Family
ID=4898139
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 90219463 Granted CN2105256U (en) | 1990-09-26 | 1990-09-26 | Skin cutter for medical use |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2105256U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102871708A (en) * | 2012-10-26 | 2013-01-16 | 元文勇 | Adjustable micro peeling and skin grafting machine |
| CN103251442A (en) * | 2012-02-21 | 2013-08-21 | 比亚迪股份有限公司 | High-speed skin cutting machine |
| CN104042307A (en) * | 2014-06-30 | 2014-09-17 | 重庆西山科技有限公司 | Electric skin-grafting net making machine |
| CN104116549A (en) * | 2014-08-01 | 2014-10-29 | 天津宏九地工程机械有限公司 | Integument stripping machine |
-
1990
- 1990-09-26 CN CN 90219463 patent/CN2105256U/en active Granted
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103251442A (en) * | 2012-02-21 | 2013-08-21 | 比亚迪股份有限公司 | High-speed skin cutting machine |
| CN103251442B (en) * | 2012-02-21 | 2015-03-04 | 比亚迪股份有限公司 | High-speed skin cutting machine |
| CN102871708A (en) * | 2012-10-26 | 2013-01-16 | 元文勇 | Adjustable micro peeling and skin grafting machine |
| CN102871708B (en) * | 2012-10-26 | 2015-02-18 | 元文勇 | Adjustable micro peeling and skin grafting machine |
| CN104042307A (en) * | 2014-06-30 | 2014-09-17 | 重庆西山科技有限公司 | Electric skin-grafting net making machine |
| CN104116549A (en) * | 2014-08-01 | 2014-10-29 | 天津宏九地工程机械有限公司 | Integument stripping machine |
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|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |