JPH05168697A - Device for sucking and recovering biotissue - Google Patents

Abstract

PURPOSE:To provide the subject device which can prevent the clogging of a suction pipe without thermally damaging the biotissues and without breaking the suction pipe. CONSTITUTION:A wire 2 is disposed in the suction pipe 1 for sucking tissue pieces nearly over the entire length of the suction pipe 1. The clogging of the suction pipe 1 is prevented by ultrasonically vibrating the wire 2 by an ultrasonic vibrator transducer 3 provided in the root end part of the wire 2.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a biological tissue aspirating and recovering device for aspirating and recovering a tissue piece excised with a scalpel or the like in a surgical operation.

[0002]

2. Description of the Related Art Conventionally, this type of suction and recovery apparatus has a suction pump and a suction tube connected to a suction port of the suction pump via a suction hose, and removes a piece of tissue cut by a scalpel or the like. It is configured to be sucked and collected from the suction pipe.

[0003]

However, in the above-mentioned conventional biological tissue suction / collection device, the tissue piece sucked from the suction tube is caught in the middle of the suction tube and occludes the inside of the suction tube. There was something. As a measure for preventing such clogging of the suction tube, for example, a measure such as applying ultrasonic vibration to the suction tube can be considered. However, when ultrasonic vibration is applied to the suction tube, the ultrasonic vibration of the suction tube causes biological tissue There are problems such as heat generation and damage, and fatigue damage to the suction tube due to ultrasonic vibration.

The present invention has been made in view of the above circumstances, and an object thereof is to prevent clogging of a suction tube without causing thermal damage to a living tissue or damaging the suction tube. An object of the present invention is to provide a living tissue suction / collection device that can be used.

[0005]

In order to solve the above-mentioned problems, the present invention provides a wire inside a suction tube for sucking a piece of tissue over substantially the entire length of the suction tube, and at the proximal end portion of the wire. The wire is ultrasonically vibrated by the ultrasonic vibrating means provided to prevent clogging of the suction tube.

[0006]

According to the above construction, since it is not necessary to ultrasonically vibrate the suction tube, clogging of the suction tube can be prevented without causing thermal damage to the living tissue or fatigue damage to the suction tube. it can.

[0007]

FIG. 1 shows a first embodiment of the present invention, (a) is a plan view and (b) is a side view. In FIG. 1, reference numeral 1 denotes a suction tube made of a metal material such as brass. Inside the suction tube 1, a wire 2 made of a superelastic alloy is arranged over substantially the entire length of the suction tube 1. An ultrasonic oscillator 3 is provided at the proximal end of the wire 2, and the ultrasonic oscillator 3 vibrates the wire 2 ultrasonically to prevent clogging of the suction tube 1.

An exciting coil 4 is arranged around the ultrasonic vibrator 3, and ultrasonic vibration is generated in the ultrasonic vibrator 3 by exciting the exciting coil 4 with an oscillating circuit (not shown). It is like this. The base end of the suction tube 1 is fitted into a suction tube mounting hole 6 formed at the tip of the handpiece 5. The suction pipe attachment hole 6 communicates with a suction mouthpiece 7 provided at the rear end of the handpiece 5, and a suction pump (not shown) is connected to the suction mouthpiece 7 via a suction hose. .. The handpiece 5 is provided with a suction force adjustment hole 8 for adjusting the suction force of the suction tube 1.

In the first embodiment of the present invention configured as described above, when the ultrasonic transducer 3 is driven by passing an alternating current from the oscillation circuit (not shown) to the exciting coil 4, the ultrasonic transducer 3 is generated. Since the ultrasonic vibration is transmitted to the wire 2, clogging of the suction tube 1 can be prevented without causing thermal damage to the living tissue or fatigue damage of the suction tube 1.

Next, a second embodiment of the present invention is shown in FIGS. In FIG. 2, reference numeral 11 denotes an ultrasonic treatment device. The P connector 12 has a circuit for discriminating the types of the handpieces 13a, 13b, 13c, 13d (for example, a circuit for detecting the type of the handpiece by detecting the resistance value in the connector portion of the handpiece).
Is provided.

FIG. 3 shows the ultrasonic treatment device 11 shown in FIG.
Is a diagram showing a control flow of the ultrasonic treatment device 11, as shown in the figure, when the ultrasonic treatment device 11 detects the type of the handpiece, the amplitude set value and the water supply value corresponding to the handpiece are displayed on the display panel. The amplitude setting value and the water supply value can be easily set, and setting mistakes can be prevented. Next, a third embodiment of the present invention is shown in FIGS. The same parts as those shown in FIG. 2 are designated by the same reference numerals, and the description of those parts will be omitted.

In FIG. 4, 14 is a liquid feeding bottle, 15 is a roller pump for feeding the water stored in the liquid feeding bottle 14 to the handpiece 13 via the liquid feeding tube 16, and 17 is an intermediate portion of the liquid feeding tube 16. A water sensor 20 is provided in the handpiece, and 20 is a suction pump connected to the handpiece 13 via a suction hose 19.

FIG. 5 shows the ultrasonic treatment device 11 shown in FIG.
It is a figure which shows the control flow of this, 3rd Example WHEREIN: First, the handpiece 13 is H.264 of the ultrasonic treatment apparatus 11. It is detected whether or not it is connected to the P connector 12 (step S
1). Next, it is detected whether or not there is water in the pump section (step S2), and if there is water, the water feeding timer is set to 3 seconds (step S3). If there is no water in the pump, set the water supply timer to 6 seconds and the time limit timer to 10 seconds (steps S4, S
5), the roller pump 15 is driven (step S6).

Next, if the limit timer counts down in step S7, it is determined whether or not the water supply timer has timed up (step S8), and then the driving of the roller pump 15 is stopped (step S9). Then, in step 10, the type of the handpiece 13 is detected, and the amplitude set value and the water supply value corresponding to the type of the handpiece 13 are displayed on the panel (step S10). Note that step S8
If the water supply timer has not timed out, the judgment is again made as to whether or not the limit timer is counting down (step S11). If the limit timer is counting down, the drive of the roller pump 15 is stopped and a warning is given. Sound is generated (steps S12 and S13).

Therefore, the third structure constructed as described above
In the embodiment, similarly to the second embodiment, the amplitude setting value and the water supply value can be easily set, and the water supply time can be automatically changed according to the condition of the pump section (with water or without water).

[0016]

As described above, according to the present invention, the wire is disposed in the suction tube for sucking the tissue piece over substantially the entire length of the suction tube, and the ultrasonic vibration provided at the proximal end portion of the wire is used. Since the wire is ultrasonically vibrated by a means to prevent clogging of the suction tube, it is possible to prevent clogging of the suction tube without causing thermal damage to living tissue or damaging the suction tube. Therefore, the reliability of the biological tissue suction / collection device can be improved.

[Brief description of drawings]

FIG. 1 is a configuration diagram of a biological tissue aspirating and collecting apparatus according to a first embodiment of the present invention.

FIG. 2 is a diagram showing a second embodiment of the present invention.

FIG. 3 is a diagram showing a control flow of the ultrasonic treatment device shown in FIG.

FIG. 4 is a diagram showing a third embodiment of the present invention.

5 is a diagram showing a control flow of the ultrasonic treatment device shown in FIG.

[Explanation of symbols]

1 ... Suction tube, 2 ... Wire, 3 ... Ultrasonic transducer, 4 ... Excitation coil, 5 ... Handpiece, 7 ... Suction mouthpiece, 8 ... Suction adjustment hole.

Claims (1)

[Claims] 1. A wire is provided in a suction tube for sucking a piece of tissue over substantially the entire length of the suction tube, and ultrasonic vibration is applied to the wire by ultrasonic vibrating means provided at the proximal end of the wire. A device for sucking and recovering biological tissue, wherein the suction tube is prevented from clogging.