CN2292525Y - Vibration surgical device for cutting parenchymatous organ - Google Patents

Abstract

The utility model relates to a vibration operation device for cutting a parenchymatous organ, which belongs to a surgical operation instrument. A tapered revolving body at a smooth part is used as the front end of a tool bit by the utility model, a through hole is along a shaft line of the tapered revolving body, a pole-shaped body at the back end of the tapered revolving body is fixedly connected with a through connecting pipe, the upper part of the through connecting pipe is provided with a vibrator, the upper part of the surface of the front end of the tool bit away from the surface of the front end of the tool bit for 3 to 5 mm is provided with a groove, the width of which is 0.05 to 0.1 mm and is synclastic with the shaft line of the tool bit, and the tool bit is shaken and vibrated in 5 to 15 DEG driven by the vibrator. When the utility model is used for cutting parenchymatous organ tissues, blood vessels are not damaged, the swarf can be cleared at the same time, the blood vessels of a wound surface are clearly exposed, and a doctor's ligation is convenient. The utility model has the advantages of low cost, simple structure and convenient use.

Description

Vibration type parenchymatous organ cutting operation device

This utility model relates to surgical operating instrument, particularly parenchymatous organ's cutting operation apparatus.

Parenchymatous organ's vascular system is extremely abundant, and dissect complicated, the surgeon is when carrying out parenchymatous organ's cutting operation, no matter diseased region is cut with sharp keen scalpel, or insert the parenchymatous organ lesion with inactive operating forceps diseased region is torn, equal injured blood vessels very easily, cause unmanageable massive hemorrhage in the operation, jeopardize patient's life, so at present when doing parenchymatous organ's cutting operation, how by the veteran surgical specialist of minority with referring to analyse the decision parenchymatous organ, referring to analyse the decision parenchymatous organ is exactly to rub with the hands with finger to pinch parenchymatous organ's tissue, finds out blood vessel with the sense of touch of finger and carries out ligation, and the parenchymatous organ with pathological changes excises then, this method is big to parenchymatous organ's damage surface, operating time is long, the operator doctor is required height,, have the microwave coagulation treatment and the laser scalpel that can be used as parenchymatous organ's cutting operation device to sell abroad although along with the development of high-tech art, but cost an arm and a leg, use limited.

The purpose of this utility model is to provide a kind of vibration type parenchymatous organ cutting operation device, make it when the cutting parenchymatous organ, keep the intact of blood vessel, can remove waste liquid automatically, can clear exposure blood vessel, be convenient to the doctor and the separation of blood vessel and ligation are reached dissect cutting, reduce postoperative complication and take place.

The purpose of this utility model can reach by the following technical programs: it is by cutter head [1], and the straight-through connection tube [2] that an end is fixedlyed connected with cutter head [1] rear end is contained in the vibrator that leads directly to the connection tube middle part and forms; Pair of bearings in the vibrator [4] is fixed on the straight-through connection tube, bearing race snap [7] is equipped with in the outside of this bearing, axle sleeve [5] is housed on the bearing, the whole profile of vibrator is equipped with shell [6], micro machine [10] is housed in it, and straight-through take in succession [2] seal by the sealing gasket [3] that is enclosed within on the straight-through connection tube with shell [6]; The front end that it is characterized in that cutter head [1] is slick part taper revolving body, its rear end is the cylindrical body that is connected as a single entity with front end, at axis direction one through hole is arranged, and make the cutter head through hole littler than straight-through connection tube through hole, on the cutter head front end surface of distance cutter head front end end face 3-5mm, have wide 0.05-0.1mm, and with cutter head axis smooth groove in the same way, this groove from front end to the back extreme direction, from the superficial to the deep, until being communicated with the through hole of straight-through connection tube; The swing of vibrator drives bar [8] one ends and is vertically fixed on the straight-through connection tube [2], its shaft is pressed on the wheel rim of eccentric cam [9], its other end end is connected with an end of extension spring [11], the other end of this extension spring is fixed on the shell [6], eccentric cam [9] motion makes cutter head make pendular oscillation between 5 °-15 °.

This utility model has following advantage compared to existing technology:

1. simple in structure, easy to use, cost is low.

2. when the cutting parenchymatous organ organizes, the parenchymatous organ is organized interior vascular not damaged, and the operation wound area is little, can get rid of waste liquid voluntarily again, it is clear that the surgical wound surface blood vessel exposes, and is convenient to the doctor ligation of blood vessel is handled, and reduces the generation of operation hands complication.

3. doctor's surgical experience is required much lowerly, be convenient to middle and small hospital and carry out the disease that the parenchymatous organ organizes and carry out cutting operation than referring to analyse the decision parenchymatous organ.

Fig. 1 is a vibration type parenchymatous organ cutting operation device structure chart

Dash number among Fig. 1: 1-cutter head 2-leads directly to connection tube 3-sealing gasket

4-bearing 5-bearing outside 6-shell

7-bearing race snap 8-swing drives bar

9-eccentric cam 10-micro machine

Fig. 2 is the M--M profile of Fig. 1

The straight-through connection tube 8-swing of dash number among Fig. 2: 2-drives bar 6-shell

9-eccentric cam 11-extension spring

Below in conjunction with accompanying drawing it is described in further detail:

This utility model mainly is made up of three parts: one, cutter head; Two, straight-through connection tube; Three, vibrator.Vibrator drives bar, bearing, axle sleeve, shell etc. by micro machine, eccentric cam, extension spring, swing and forms; Cutter head is a critical component of the present utility model.Our cutter head designed in experiment is two kinds of semiellipsoid and hemispheres, except that have rectangular smooth groove in the cutter head front end surface from cutter head front end end face 3.5mm with the wide in the same way 0.08mm of cutter head axle, this groove is by front end extreme direction development behind cutter head, have shallow go into dark, until being that the through hole of the straight-through connection tube of φ 12mm communicates with diameter.The design of cutter head is to grope out on the basis of the experiment of parenchymatous organ's cutting operations such as our secular animal livers, spleen, kidney, and cutter head constitutes vibration type parenchymatous organ cutting operation device together by straight-through connection tube with by the vibrator that eccentric cam and micro machine etc. is formed.The purpose of doing like this is when guaranteeing cutter head vibration cutting parenchymatous organ, only smash hepatic tissue to pieces, do not press from both sides blood vessel, injured blood vessel not, cutter head is a through hole along axis direction, the diameter of its through hole is slightly less than the through hole of straight-through connection tube, and the axis of cutter head and straight-through connection tube axis are in a straight line, the chip that cutting the time can be produced and useless hemorrhage under the suction function that vacuum pump produces, is sucked in the liquid-collecting bottle like this, keep the cutting wound surface clear, be convenient to the exposure or the processing of blood vessel, its angular amplitude is 6 ° of-7 ° of motions during the cutter head cutting, and angular amplitude drives straight-through connection tube by vibrator and realizes, the angle of oscillation size is that the eccentric throw by eccentric cam guarantees, when micro machine turns round, be fixed on the eccentric cam run-in synchronism in the micro machine rotating shaft, under the extension spring effect, swing drives the also variation thereupon of edge that bar is pressed in eccentric cam, like this, swing drives bar and drives direct connection tube, and straight-through connection tube drives cutter head again and makes angular oscillatory motion.Through many cases animal livers, spleen, the resection operation of kidney and the check of three routine human liver tumor resections, prove the ideal tools of surgical device.When operation with vibration type parenchymatous organ cutting operation device excision liver tumor, at first cut Glisson's capsule with general scalpel, because the cutter head in this utility model is difficult for the cutting Glisson's capsule, then with vibration type parenchymatous organ cutting operation device cutting liver, along with going deep into of vibration type parenchymatous organ cutting operation device, can make the more complete preservation of liver blood vessel, and the liver parenchyma other parts can be cut smoothly, be convenient to operation and carry out.Like this, finish the cutting operation of the whole liver tumor of human body at last, whole surgery process about 1 hour more than 30 minute, it is very smooth to perform the operation.The whole process of operation was once made the video sheet, saw the cutting of vibration type parenchymatous organ cutting operation device limit from video film, the limit cleaning, the wound surface blood vessel exposes very clearly, and blood vessel is clamped with mosquito forceps promptly in the operating doctor limit, carries out ligation, the limit praises that wound surface is clear, broad view.This utility model can have so good clinical result of use, mainly is because designed a special cutter head, multidirectional compound motions such as when the parenchymatous organ was cut, cutter head can rotate, vibration, the resultant effect that is produced in this utility model.Facts have proved, vibration type parenchymatous organ cutting operation device can cut arbitrarily organs such as livers, during cutting to parenchymatous organ's blood vessel not damaged, and can exhaust smear metal simultaneously, can peel off the required scope of any vascular of parenchymatous organ by requirements of operation, in the suitability of parenchymatous organ's surgery, safety, reach ideal state, and have in parenchymatous organs' such as part liver transplant operation and carry out Application Prospect.

Claims (1)

1. vibration type parenchymatous organ cutting operation device, it is by cutter head [1], the straight-through connection tube [2] that an end is fixedlyed connected with cutter head [1] rear end, the vibrator that is contained in straight-through connection tube middle part is formed; Pair of bearings in the vibrator [4] is fixed on the straight-through connection tube, bearing race snap [7] is equipped with in the outside of this bearing, axle sleeve [5] is housed on the bearing, the whole profile of vibrator is equipped with shell [6], micro machine [10] is housed in it, and straight-through connection tube [2] seals by the sealing gasket [3] that is enclosed within on the straight-through connection tube with shell [6]; The front end that it is characterized in that cutter head [1] is slick part taper revolving body, its rear end is the cylindrical body that is connected as a single entity with front end, be processed with a through hole at axis direction, and make the cutter head through hole littler than straight-through connection tube through hole, on the cutter head front end surface of distance cutter head front end end face 3-5mm, have wide 0.05-0.1mm, and with cutter head axis smooth groove in the same way, this groove from front end to the back extreme direction, from the superficial to the deep, until being communicated with the through hole of straight-through connection tube; The swing of vibrator drives bar [8] one ends and is vertically fixed on the straight-through connection tube [2], its shaft is pressed on the wheel rim of eccentric cam [9], its other end end is connected with an end of extension spring [11], the other end of this extension spring is fixed on the shell [6], eccentric cam [9] motion makes cutter head make pendular oscillation between 5 °-15 °.

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