CN2236288Y - Rotary medical skin cutter - Google Patents

Abstract

The utility model relates to a rotary medical skin cutter. Two screw rods (10) whose screws are opposite, a hand driven gear drive piston mechanism connected with the two screw rods, horizontal strip support frames (9) and cutters (6) are arranged in a feed cylinder (3); three blades or four blades are arranged on each cutter; both sides of each blade are provided with cutting surfaces; the cutting surfaces of two cutters are opposite to form six or eight scissors; two symmetrical convex heads of each piston (4) and two end heads of each support frame (9) are inserted in the wall grooves of the feed cylinder. The utility model has the advantages of quick work efficiency, good cutting quality to skin, convenient fumigation and disinfection, etc.; the cut skin can be used for the clinical particulate skin transplantation.

Description

Rotary hospital scissors skin machine

This utility model is a kind of rotary hospital scissors skin machine.

Employed clinically at present onal method mainly contains manual, motor-driven two classes: so-called manual method, be to be similar to the artificial onal method of cutting the skin mode, by artificial method in a little measurer with each the skin of shearing at leisure of medical scissors, until reaching required broken degree, though little to tissue injury, transplantation effect is good, clinical this method person of usefulness is more, but consumption power when useless often needs many people to cut skin simultaneously.So-called mobile law, have two kinds again: a kind of is the machine onal method of similar meat grinder, because this method is bigger to the bright effect of extruding, heat of skin histology, easily causes the degeneration or the necrosis of part skin histology, transplantation effect is relatively poor, so clinical application range is limited.Another kind is as Chinese patent " medical onal machine " (patent No. 87214927), it is the upper and lower reciprocating chopping apparatus of a kind of cutter, mainly all is made up of the parts such as fixed, cutting blade of a circle hole shape edge of a knife gear drive and barrel, piston and the shape that is rectangle, center.In use, because the reasons in structure of cutter, mainly there is following defective in this patented technology: the one, and it is low that cutting efficiency is still disliked; The 2nd, machine volume is bigger, is unfavorable for medical disinfecting (fumigating).

The purpose of this utility model is to overcome above-mentioned defective, and a kind of rotary hospital scissors skin machine nimble, that work efficiency is high of operating is provided, and it can cut into small, the granular onal slurry that meets the usefulness of clinical microgranule skin grafting with block skin in the extremely short time.

The purpose of this utility model is achieved in that and is provided with barrel, cutter and hand gear drive piston mechanism.Wherein be provided with two screw rods in barrel, its hand of spiral is opposite.Gear, piston, horizontal stripe support and cutter are housed on external end head, middle part, the inner and the inner termination of each screw rod successively.Every the two sides of every leaf blade are the cutter tangent planes being equipped with isometric, equidistant SANYE or the cross four leaf blades that are 120 ° of distributions on the cutter, and the cutter tangent plane of two cutters is relative, form six or eight " shears ".Two the symmetrical plush coppers of each piston and the two ends of each support all embed in the wall groove of barrel, and the former helps piston and pushes block skin along screw rod and arrive the cutter mouth it is sheared, and that the latter plays a part is fixing, studdle and cutter.

Above-mentioned cutter, its middle part can convex to form " crown " shape, crown outwardly, the medicated cap mouth is fixed on cutter on the inner termination of screw rod nut inwardly in the medicated cap mouth.Like this, when the cutter tangent plane that helps two cutters rotates relatively, form " shears " mouthful of shearing skin histology.

In order to make above-mentioned barrel have good sealing, can set up sealing ring in the junction of gear shaft, cover plate and barrel, in barrel, add an amount of normal saline and relevant antibiotics when helping feeding, play the usefulness of cooling, antibiotic and mediation.

This utility model is owing to having adopted the new-type cutter of making rotational shear skin, so following advantage is arranged:

The one, work efficiency is fast, and this is after doing one week of counter-rotating because of two cutters, and formed six handles or eight are sheared shears to the skin chunk material, this shows, and are faster more than five times than prior art at least, howed with regard to faster than artificial that.

The 2nd, the quality of shearing skin histology is good, and this is because its similar artificial shearing skin process.

The 3rd, volume is small and exquisite, can be convenient to operation, reduces production costs and makes easily, keeps in repair and help fumigation.

The 4th, excellent sealing performance can make skin histology in the barrel after adding an amount of normal saline and relevant antibiotics, finishes the process that is sheared, thereby makes the skin of shearing have good activity.

The utility model is described in further detail below in conjunction with accompanying drawing.

Fig. 1 is a structural representation of the present utility model.

Fig. 2 is the vertical view of Fig. 1.

Fig. 3 is the left view of Fig. 1.

Fig. 4 is the structural representation of Fig. 1 cutter 6.

Fig. 5 is the A-A cutaway view of Fig. 4.

This utility model mainly is made up of barrel 3, cutter 6 and hand gear drive piston mechanism, and concrete structure sees for details and the following describes.

As shown in Figure 1 and Figure 2: in barrel 3 cylindraceous, be provided with the screw rod 10 of two spirals opposite (left-handed, dextrorotation), gear, piston 4, horizontal stripe support 9 and cutter 6 are housed on the external end head of each screw rod, middle part, the inner and the inner termination successively.Every on the cutter 6, be equipped with isometric, equidistant SANYE or the four leaf cross blades 9 (seeing Fig. 4, Fig. 5) that are 120 ° of distributions, the both sides of every leaf blade are the cutter tangent planes.The cutter tangent plane of two cutters 6 is relative, forms six or eight " shears ".Two the symmetrical plush coppers of each piston 4 and the two ends of each support 9 all embed (see figure 2) in the wall groove of barrel 3.

As Fig. 4, shown in Figure 5, every middle part projection cutter 6 is " crown " shape.See Fig. 1, Fig. 2, this crown outwardly, nut 8 is imbedded the medicated cap mouth cutter 6 is fixed on the inner termination of screw rod 10.

See Fig. 1, Fig. 2, Fig. 3, gear drive is made up of the right gear 12,15 of intermeshing left gear 1,16,18 that is positioned at barrel two end cover plate 11 outsides and engagement.Wherein, power transmission shaft 14 outside barrel 3, after its two ends is passed the side of cover plate 11, be connected with left gear 1, right gear 12 respectively, left gear 18, right gear 15 are connected with the external end head of left and right screw rod 10 respectively, and left gear 16 is movably connected on the axle head of the gear shaft 17 that is connected with cover plate 11 (Fig. 2).A hand crank 13 is housed on the edge of right gear 12.At the middle part of barrel 3, be provided with feed inlet and outlet and input and output material flap 5, this lid middle part has been equipped with and has been covered screw 7.Cover plate 11 profiles are oblong-shapeds, are fixed in sunk screw 2 on the end face of barrel.The effect of this cover plate is: the one, seal the port of barrel; The 2nd, studdle 10 and gear shaft 17; The 3rd, connect power transmission shaft 14 and work as the usefulness of leg, therefore, the overall dimensions of cover plate should be greater than the barrel barrel dliameter.

In order to improve the quality that shreds block skin material, can be at cover plate 11 and barrel port, screw rod 10 external end heads, liner or sealing ring (accompanying drawing is not drawn) are set up in the junction of gear shaft 17.

Work process of the present utility model is: after throwing in block skin material by feed inlet and outlet toward barrel 3 intracavity, build input and output material flap 5.Then, the hand crank 13 (for example clockwise direction shakes) of starting then near behind the cutter 6 of the hand crank one side gear motion and the transmission of screw rod 10 by gear 12,15, is done rotation counterclockwise; And after the transmission of cutter 6 by power transmission shaft 14 and gear 1,16,18 and screw rod 10 of offside, do the clockwise direction rotation, like this, shears shape cutting skin histology is made in the relative rotation of two cutters (rightabout each other rotation).Simultaneously, the piston 4 of hand crank 13 1 sides (right side) then moves to the right as being transport screw; And the piston 4 of offside (left side) is a reverse acting spiral, then also motion to the right.When counterclockwise shaking hand crank 13, then above-mentioned cutter and piston are all done rightabout motion.Thereby piston repeatedly about back and forth under the effect of feeding, cutter is rotational shear skin forward or backwards constantly, makes block skin become small, granular onal slurry through cutting repeatedly.Take off input and output material flap 5 then, held this machine, the charging and discharging mouth is aimed at container, just can resemble to topple over the pouring and the onal slurry, the usefulness of the clinical capable microgranule skin grafting of confession.

In addition, can be according to the amount of skin histology, the amount of capacity of the adjustable material all in one piece tube in position during by the initial static state of regulating piston.

Claims (4)

1, a kind of rotary hospital scissors skin machine, be provided with barrel (3), cutter (6) and hand gear drive piston mechanism, it is characterized in that in barrel (3), being provided with two screw rods (10) that spiral is opposite, the external end head of each screw rod, the middle part, on the inner and the inner termination gear is housed successively, piston (4), horizontal stripe support (9) and cutter (6), every isometric being equipped with on the cutter, equidistant SANYE or the cross four leaf blades that are 120 ° of distributions, the two sides of every leaf blade are the cutter tangent planes, the cutter tangent plane of two cutters is relative, form six or eight " shears ", two the symmetrical plush coppers of each piston (4) and the two ends of each support (9) all embed in the wall groove of barrel (3).

2, the skin machine of cutting according to claim 1 is characterized in that the middle part projection of cutter (6) is " crown " shape, crown outwardly, nut (8) is imbedded the medicated cap mouth cutter is fixed on the inner termination of screw rod (10).

3, the skin machine of cutting according to claim 1, it is characterized in that gear drive is by the intermeshing left gear (1) that is positioned at barrel (3) two end cover plate (11) outside, (16), (18) and the engagement right gear (12), (15) form, power transmission shaft (14) outside barrel (3), its two ends is passed behind the side of cover plate (11) respectively and left gear (1), right gear (12) is connected, left gear (18), right gear (15) respectively with a left side, the external end head of right screw rod (10) is connected, left gear (16) is movably connected on the axle head of the gear shaft (17) that is connected with cover plate (11), and hand crank (13) is housed on the edge of right gear (12).

4, the skin machine of cutting according to claim 1 is characterized in that being provided with feed inlet and outlet and input and output material flap (5) at the middle part of barrel (3), and this lid middle part has been equipped with and has been covered screw (7).