CN203468699U - Vibrating operating knife with precise and thin serration - Google Patents

Abstract

The utility model provides a vibrating operating knife with a precise and thin serration. The vibrating operating knife comprises a knife handle and a cutting head. A power supply, a vibrating mechanism and a connecting mechanism are mounted in the knife handle; one end that the knife handle is distant from the cutting head is provided with a switch; a position where the knife handle is close to the cutting head is provided with an illuminating lamp; the vibrating mechanism provides vertical vibration; and the connecting mechanism and the cutting head are driven by the vibrating mechanism to conduct vertical vibration. The vibrating operating knife with precise and thin serration can accurately cut with high efficiency and can improve illuminating effect for high operation vision.

Description

Meticulous sawtooth vibration scalpel

Technical field

This utility model relates to the scalpel of technical field of medical instruments, particularly a kind of meticulous sawtooth vibration scalpel.

Background technology

At present, in using the operation of traditional operation cutter, existence due to meat fiber toughness, cutting muscle becomes more difficult, the bad control of depth of cut and dynamics, have a strong impact on efficiency and the success rate of operation, particularly for nerve, blood vessel or ophthalmologic operation, sometimes need to use various Micro operating knifes, in order to perform the operation, a little precisely cut, just need to be afterburning to Micro operating knife, firmly too minor operation point is cut not opened, and the excessive cut target of exerting oneself easily moves again or unnecessary damage occurs.

The blade holder that clinical medicine is used at present is just used for fixing the effect that blade is used for holding.When making fine cut, there is following shortcoming: 1, in the situation that operating field is very little, blade has been not easy accurately, cutting efficiently; 2 ,Dang soft textures and under the very tight state that do not allow tissue to draw, blade is difficult to cutting accurately and efficiently.For example, when incision weighs operation on eyelid, the otch that too tightly may cause during incision, skin being drawn can not accurately cut by design lines; And the in the situation that of tensioning the skin not, the longitudinal pressure that blade is downward and all can cause skin wrinkling and be not easy accurate cutting to the cutting force back and forth of skin plane.

The micro-tube shaped structure that mosquito lancet is adhered to each other and formed by upper lip, the maxillary of needle-like and the lower jaw that is covered with sawtooth etc., mosquito lancet is when thrusting skin, not simply directly to thrust, but first use that glossarium spine enters and with little sawtooth extensional vibration exquisite on lower jaw, skin cut, and then thrust gradually and saw into deep skin.By mosquito lancet being thrust to the research of skin process, find: " micro-nano sawtooth " combination " vibration is thrust " of mosquito lancet makes it super laborsaving when thrusting skin, than common micropin, thrust little three orders of magnitude of power.One side of the present utility model is exactly to be based on mosquito lancet structure and to thrust the principle of skin process, adopts bionics method to be made.

In addition, in the situation that implementing some particular procedure, range of operation is narrow, and visual area is narrow and small, for guaranteeing patient's prognosis effect, can not artificially strengthen wound surface for pursuing the visual field clearly, the now illumination in narrow and small region just highlights, although the appearance of Light on head for surgery has solved some problems, but because volume is larger, the upper time, while performing the operation, causes doctor's fatigue strength to increase, and then can have a negative impact to operation.

Utility model content

This utility model is in order to address the above problem, its objective is a kind of meticulous sawtooth vibration scalpel is provided, this scalpel utilizes the meticulous sawtooth (micro-nano sawtooth) and corresponding vibrating mechanism of blade, exert oneself littlely but surgical target precisely to be cut at accurate location, thereby reduce manual operation error, effectively reduce the risk factor of operation; And this cutter handle of a knife closes on cutter head and goes out to be provided with miniature lighting lamp, greatly improves visual area illuminating effect.

For achieving the above object, this utility model provides meticulous sawtooth vibration scalpel, comprise handle of a knife and cutter head, in handle of a knife, be provided with power supply, vibrating mechanism, bindiny mechanism, be positioned at handle of a knife and be provided with switch away from one end of cutter head, handle of a knife closes on cutter head place and is provided with illuminating lamp, and vibrating mechanism can provide extensional vibration, drives bindiny mechanism and cutter head to do extensional vibration.

Scalpel of the present utility model, energy is accurate, high efficiency cutting, and simple in structure, simple operation, controllability are strong, perform the operation firmly little, can be applicable to, in the higher operation of scalpel maneuverability requirement, can make doctor more handy in micro-wound surgical operation, and this sawtooth vibration scalpel is with low cost, be convenient to produce and promote, in addition, this additional miniature lighting lamp can also greatly improve visual area illuminating effect.

Accompanying drawing explanation

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

Fig. 2 is another structural representation of this utility model.

The specific embodiment

Below with reference to drawings and Examples, describe embodiment of the present utility model in detail, to this utility model, how application technology means solve technical problem whereby, and the implementation procedure of reaching technique effect can fully understand and implement according to this.

Referring to Fig. 1, switch 6 is the one end away from cutter head 2 at handle of a knife 1, when switch 6 is communicated with, can open miniature lighting lamp 7 and vibrating mechanism 4 simultaneously.Power supply 3 can be used general dry battery.2 of bindiny mechanism 5 and cutter heads are connected for press-button type.The preferred miniature LED lamp of illuminating lamp 6.

Between bindiny mechanism 5 and blade 2, can be connected by draw-in groove conjunction.

Vibrating mechanism 4 can be comprised of electric magnet, armature, spring and circuit board, and circuit board can be controlled magnet switching electricity.When energising is controlled, electric magnet is inhaled lower armature, when power-off is controlled, and the electric magnet relieving armature that loses magnetism, armature sets back under spring action.Circuit board constantly repeats to control power on/off, realizes the reciprocating motion of armature, and armature You Yu bindiny mechanism 5 is connected, thereby drives bindiny mechanism 5 and cutter head 2 to do extensional vibration.

Whole vibrating mechanism 4 also can be with providing the voice coil motor of extensional vibration to replace.

Also can be the structure shown in Fig. 2.Described vibrating device 4 comprises drive motors (not shown), driving wheel 8 and connecting rod in the wrong 9; Bindiny mechanism comprises cylinder 10 and spring 11, described connecting rod in the wrong one end is rotationally connected with in described blade bindiny mechanism, the other end is rotationally connected with that on described driving wheel, (junction point departs from the axle center of driving wheel, deviation distance depends on the size of the blade amplitude that needs arrange), when driving wheel rotates under drive motors effect, drive described connecting rod swing in the wrong, the reciprocating motion of Y-direction is done by described connecting rod Zai Dai cutting blade in the wrong bindiny mechanism.

The vibrating mechanism that this utility model relates to, its frequency of vibration is 1～50HZ.

The blade of this scalpel is distributed with micro-nano sawtooth.This sawtooth can adopt one side blade micro-nano sawtooth or multiaspect blade micro-nano sawtooth by profile of tooth.Its toothed edge of one side blade micro-nano sawtooth only has sword on one side, and its toothed edge of multiaspect blade micro-nano sawtooth all has sword.

This micro-nano sawtooth can adopt without pointed tooth, have pointed tooth or circle-arc tooth by crown form.Without pointed tooth, be to use accurate cutting technique periodic cut-out blade of size in accordance with regulations on blade, form micro-nano sawtooth; Have pointed tooth and compare without pointed tooth, sawtooth, with sharp tip, is to utilize ion etching technology etc. to obtain micro-nano sawtooth; Circle-arc tooth, sawtooth tip is circular arc, sharp degree is between without pointed tooth and have between pointed tooth.Cutting edge material is advisable with monocrystal silicon.

The above, it is only preferred embodiment of the present utility model, be not this utility model to be done to the restriction of other form, any those skilled in the art may utilize the technology contents of above-mentioned announcement to be changed or be modified as the equivalent embodiment of equivalent variations.But every technical solutions of the utility model content that do not depart from, any simple modification, equivalent variations and the remodeling above embodiment done according to technical spirit of the present utility model, still belong to the protection domain of technical solutions of the utility model.

Claims (1)

1. a meticulous sawtooth vibration scalpel, comprise handle of a knife (1) and cutter head (2), it is characterized in that: in handle of a knife (1), be provided with power supply (3), vibrating mechanism (4), bindiny mechanism (5), be positioned at handle of a knife (1) and be provided with switch (6) away from one end of cutter head (2), handle of a knife (1) closes on cutter head (2) and locates to be provided with illuminating lamp (7), vibrating mechanism (4) can provide extensional vibration, drive bindiny mechanism (5) and cutter head (2) to do extensional vibration, vibrating device (4) comprises drive motors, driving wheel (8) and connecting rod in the wrong (9); Bindiny mechanism (5) comprises cylinder (10) and spring (11), described connecting rod in the wrong (9) one end is rotationally connected with in described bindiny mechanism (5), the other end is rotationally connected with on described driving wheel (8), depart from the axle center of driving wheel (8) with the junction point of driving wheel (8), deviation distance depends on the size of cutter head (2) amplitude that needs arrange, when driving wheel (8) rotates under drive motors effect, drive described connecting rod in the wrong (9) to swing, described connecting rod in the wrong (9) drives bindiny mechanism (5) to do the reciprocating motion of Y-direction again.

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