JPH0523345A - Ultrasonic processor - Google Patents

Abstract

PURPOSE:To avoid the starting of oscillation with incomplete preparation by detecting a perfusate of a suction pipeline to stop the supply thereof in a stand by operation to fill the perfusate to the suction pipeline via a path for perfusion of a probe for ultrasonic processing from a feed liquid pipeline. CONSTITUTION:A roller pump 33 and a suction pump 29 rotates with the turning ON of a standby switch in an operation/display panel 12 to perform a feeding of water through a feed water tube 26 and a suction through a suction tube 30. A physiological saline is sent into a feed water passage 23 of a handpiece 14 as perfusate from a feed water tank 25 through the feed water tube 26 and flows into a suction passage 27 through a communication port 20. Then, as the perfusate reaches a detector 32 via a path for the perfusate of a probe for ultrasonic processing, the flow thereof is detected to stop the roller pump 33 with a control section receiving the detection signal. Then, the completion of preparation is displayed.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an ultrasonic treatment apparatus for performing ultrasonic treatment such as crushing, excision or emulsification of living tissue or stones while perfusing an ultrasonic treatment probe with a perfusate.

[0002]

2. Description of the Related Art This type of ultrasonic treatment apparatus is used by attaching an ultrasonic treatment probe to a handpiece having an ultrasonic transducer. In order to remove the tissue and debris generated during the procedure by suction, cover the probe part with a sheath, supply cooling water such as physiological saline between them to cool the probe part, and suction formed on the probe part. By sucking and returning the supplied cooling water through the passage, the tissue, crushed pieces and the like are sucked and removed.

[0003]

By the way, in such an ultrasonic treatment device, the physiological saline for irrigation is in a sheath covered with a probe from a water tank by a water pump through a water tube having a length of usually 2 to 3 m. Will be introduced to. However, before use, the inside of the sheath as well as the inside of the water supply tube is empty without physiological saline.

Therefore, the operator must perform a water supply operation for filling the physiological saline from the inside of the water supply tube to the inside of the sheath before starting the oscillation. If the user neglects this preparatory operation and starts an oscillating operation, the probe part becomes hot and breaks, or the living tissue is burned.

The present invention has been made in view of the above-mentioned problems, and an object thereof is to avoid starting an oscillation operation while a preparation state is incomplete due to a user's mistake,
An object is to provide an ultrasonic treatment device that can be used in a safe state.

[0006]

In order to solve the above-mentioned problems, according to the present invention, the perfusion liquid is supplied from the perfusion liquid tank to the perfusion passage of the ultrasonic treatment probe through the liquid feeding conduit, and An ultrasonic treatment device configured to suck and discharge a perfusate from a perfusion passage of a sonication probe through a suction pipe, is provided with detection means for detecting that the perfusion liquid has flowed into the suction pipe, When performing a standby operation to fill the perfusion fluid from the liquid duct to the suction duct via the perfusion passage of the ultrasonic treatment probe, the perfusion is detected when the perfusion fluid is detected by the detection means. And a control means for stopping the liquid supply operation.

When performing the standby operation, however, the supply operation is automatically stopped at the time when the perfusion liquid is completely filled from the liquid supply conduit to the suction conduit via the perfusion passage of the treatment probe. The standby operation can be performed easily and surely.

[0008]

1 to 4 show a first embodiment of the present invention. FIG. 1A schematically shows the configuration of the system of the ultrasonic treatment apparatus according to the first embodiment.
Reference numeral 1 is a device body of the ultrasonic treatment device. A control unit and an oscillation drive circuit (not shown) are provided in the apparatus body 11. An operation / display panel 12 and a socket 13 are provided on the outer surface of the device body 11. The operation / display panel 12 is provided with a standby switch and a reset switch in addition to a display section for displaying various settings, selected operation types, operating states, and the like.

A connector 16 attached to a cord 15 of an ultrasonic treatment handpiece 14 is detachably connected to the socket 13 so that the drive signal from the oscillation drive circuit described above is transmitted to the handpiece 14. There is. The foot switch 17 is used to perform the oscillating operation.

An ultrasonic transducer (not shown) is incorporated in the handpiece 14, and an ultrasonic probe 19 is detachably attached to the tip of a horn 18 of the ultrasonic transducer.
A sheath 22 that covers the ultrasonic probe 19 is attached to the front end of the grip cover 21 of the handpiece 14. A water supply channel 23 is formed between the ultrasonic probe 19 and a sheath 22 that covers the ultrasonic probe 19, and the grip cover 21 or the sheath 22 is provided with an inlet 24 that communicates with the water supply channel 23. A flexible water supply tube 26 is connected to the inflow port 24 as a liquid supply conduit that leads to a water supply tank 25 as a perfusion solution tank containing physiological saline or the like.

The handpiece 14 has a suction passage 27 formed of a hollow hole extending over the horn 18 and the ultrasonic probe 19.
Further, a communication hole 20 for communicating the water supply flow path 23 with the suction flow path 27 is formed in the middle of the ultrasonic probe 19. At the rear end of the handpiece 14, a suction mouthpiece 28 communicating with the suction passage 27 is provided. A suction tube 30 is connected to the suction mouthpiece 28 as a suction conduit communicating with a suction pump 29.

Further, a suction bottle 31 for removing the suctioned substance is inserted in the middle of the suction tube 30. Further, a detector 32 (detection means) including, for example, an ultrasonic sensor or the like for detecting the presence of the reflux liquid is provided in the middle of the suction tube 30 located between the handpiece 14 and the suction bottle 31.

On the other hand, the water supply tube 26 passes through a roller pump 33 provided on the way to the water supply tank 25. The operations of the suction pump 29 and the roller pump 33 are controlled by a control unit (control means) in the apparatus body 11.
Controlled by.

Then, by driving the roller pump 33, the saline solution or the like as the reflux liquid is fed from the water feed tank 25 into the water feed passage 23 of the handpiece 14 through the water feed tube 26. The water supply liquid sent into the water supply flow path 23 of the handpiece 14 has a communication hole 20.
Although it flows into the suction channel 27 through the suction channel 27, the remaining liquid is sucked by the suction channel 27 of the ultrasonic probe 19 together with the tissue to be sucked out from the distal end of the sheath 22.

Next, the operation of this ultrasonic treatment apparatus will be described with reference to FIG. When this device is used for the first time, first, the standby switch on the operation / display panel 12 is turned on. Then, first, the preparation (standby) operation is automatically started, the roller pump 33 and the suction pump 29 are rotated, and water is supplied through the water supply tube 26 and suction is performed through the suction tube 30. The physiological saline solution serving as the reflux liquid is supplied from the water supply tank 25 through the water supply tube 26 to the water supply passage 2 of the handpiece 14.
3 into the suction passage 27 through the communication hole 20.

As described above, the perfusate passes through the perfusion passage of the ultrasonic treatment probe, and the perfusate flows from the suction channel 27 to the suction tube 3.
0, and when this flow reaches the position where the detector 32 is installed, the flow is detected, and the roller pump 33 is stopped by the control unit receiving this detection signal,
Display ready. The suction pump 29 may or may not be stopped, but a stop valve (not shown) may be provided to close it.

At the same time, the ultrasonic oscillation operation becomes possible. The operator sets initial values such as the amplitude of ultrasonic vibration to be used, the water supply amount, the suction amount, and other modes.
After that, by operating the foot switch 17, it is possible to oscillate ultrasonic waves and perform treatment.

In the standby operation described above,
As shown in FIG. 2, the roller pump 33 is rotated at a high speed for a predetermined time from the start of the preparatory operation to perform high-speed injection, and when the reflux liquid is sent to the water supply passage 23 of the handpiece 14, the roller pump 33 is supplied. The rotation speed of 33 is reduced until the water supply speed at which the liquid is not ejected from the tip of the sheath 22 of the handpiece 14. Therefore, it is possible to shorten the time required to fill the inside of the long water supply tube 26 up to the handpiece 14 and speed up the standby operation. After that, the same operation as described above is performed.

FIG. 3 schematically shows the procedure up to the completion of setup by the operation utilizing this. When using for the first time, the procedure including the standby operation described above is performed, but if the operation stops due to some trouble of the control system etc. and the warning display lights after already using it, follow the procedure of FIG. To do. That is, the reset switch is operated without operating the standby switch, the standby operation as described above is omitted, and the reset operation is performed. Then, the operator returns to the initial setting value that was previously set. Then, the warning display is turned off and the setup completion display is turned on.

FIG. 5 and FIG. 6 show a second embodiment of the present invention. As shown in FIG. 5, a stop valve 41 is provided in the middle of the suction tube 30 that connects the handpiece 14 and the suction bottle 31, and a switch is provided in the middle of the water supply tube 26 located on the discharge end side of the roller pump 33. Valve 42
The communication conduit 43 is branched off via. The other end of the communication conduit 43 is connected to the middle of the suction tube 30 located between the handpiece 14 and the stop valve 41. Others are the same as the configuration of the above-described embodiment. The switching valve 42 is normally switched in a direction in which the water supply tube 26 is communicated, and in this case, the use as described above can be performed.

According to this structure, when the tissue or the like is clogged in the communication hole 20 or the suction flow path 27 in the handpiece 14, the switching valve 42 is switched to the communication conduit 43 side to the discharge end side of the roller pump 33. When water is supplied by communicating the communication conduit 43, the water can be made to flow back to the handpiece 14, and the aforementioned clogging can be removed. This operation is performed by stopping the ultrasonic oscillation of the handpiece 14 and switching the switching valve 42 with the stop valve 41 closed, as shown in FIG.

The present invention is not limited to the embodiment described above. The sheath that covers the ultrasonic probe is a double sheath, and the water flow path is formed between the inner and outer sheaths, and the suction flow path is formed between the ultrasonic probe and the inner sheath. It may be a handpiece in which the passage and the hollow suction passage of the ultrasonic probe are communicated with each other.

[0023]

As described above, according to the present invention, after the standby operation is started, when the perfusion liquid is completely filled from the liquid feeding conduit to the suction conduit via the perfusion passage of the treatment probe, The supply operation is automatically stopped, and the standby operation can be performed easily and reliably. Therefore, it is possible to avoid starting the oscillating operation before the completion of the preparation operation due to a mistake made by the user, and the device can be used in a safe state.

[Brief description of drawings]

FIG. 1A is an explanatory diagram showing a schematic configuration of a system of an ultrasonic treatment apparatus according to a first embodiment of the present invention, and FIG.
Is a flowchart of the operation.

FIG. 2 is a flowchart of another operation of the ultrasonic treatment apparatus according to the first embodiment of the present invention.

FIG. 3 is a flowchart of another operation of the ultrasonic treatment apparatus according to the first embodiment of the present invention.

FIG. 4 is a flowchart of another operation of the ultrasonic treatment apparatus according to the first embodiment of the present invention.

FIG. 5 is an explanatory diagram showing a schematic configuration of a system of an ultrasonic treatment apparatus according to a second embodiment of the present invention.

FIG. 6 is a flowchart of the operation of the ultrasonic treatment apparatus according to the second embodiment of the present invention.

[Explanation of symbols]

11 ... Device body, 14 ... Ultrasonic treatment handpiece, 1
9 ... Ultrasonic probe, 20 ... Communication hole, 22 ... Sheath, 2
5 ... Water supply tank, 26 ... Water supply tube, 27 ... Suction flow path, 29 ... Suction pump, 30 ... Suction tube, 32 ... Detector, 33 ... Roller pump.

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[Procedure amendment]

[Submission date] October 24, 1991

[Procedure Amendment 1]

[Document name to be corrected] Drawing

[Name of item to be corrected] Figure 1

[Correction method] Change

[Correction content]

[Figure 1]

[Procedure Amendment 2]

[Document name to be corrected] Drawing

[Name of item to be corrected] Figure 2

[Correction method] Change

[Correction content]

[Fig. 2]

 ─────────────────────────────────────────────────── ─── Continuation of the front page (72) Inventor Hitoshi Karasawa 2-43-2 Hatagaya, Shibuya-ku, Tokyo Olympus Optical Co., Ltd. (72) Inventor Mitsumasa Okada 2-43-2 Hatagaya, Shibuya-ku, Tokyo Olympus Optical Co., Ltd. (72) Inventor Yuichi Ikeda 2-43-2 Hatagaya, Shibuya-ku, Tokyo Olympus Optical Co., Ltd. (72) Inventor Hideo Nagasumi 2-43-2 Hatagaya, Shibuya-ku, Tokyo Within Olympus Optical Co., Ltd. (72) Inventor Tohoho Kobayashi 2-43-2 Hatagaya, Shibuya-ku, Tokyo Inside Olympus Optical Co., Ltd. (72) Yukiko Nagaoka 2-43-2 Hatagaya, Shibuya-ku, Tokyo No. Olympus Optical Co., Ltd. (72) Inventor Kenji Yoshino 2-43-2 Hatagaya, Shibuya-ku, Tokyo Olin (72) Inventor Hiroaki Kagawa 2-43-2 Hatagaya, Shibuya-ku, Tokyo Olympus Optical Co., Ltd. (72) Inventor Kazuya Hijii 2-43-2 Hatagaya, Shibuya-ku, Tokyo Olympus Optical Co., Ltd. (72) Inventor Tetsumaru Kubota 2-43-2 Hatagaya, Shibuya-ku, Tokyo Olympus Optical Co., Ltd. (72) Inventor Yoshiji Koda 2-43 Hatagaya, Shibuya-ku, Tokyo No. 2 Olympus Optical Co., Ltd.

Claims (1)

Claim: What is claimed is: 1. A perfusion solution is supplied from a perfusate tank to a perfusion passage of an ultrasonic treatment probe through a liquid feeding conduit, and a suction pipe is supplied from the perfusion passage of the ultrasonic treatment probe. In an ultrasonic treatment apparatus adapted to perform perfusion for sucking and discharging the perfusate through the passage, a detection means is provided for detecting that the perfusate has flowed into the suction pipe, and the ultrasonic treatment is performed from the liquid supply pipe. When performing the standby operation to fill the perfusate from the probe perfusion passage to the suction line,
An ultrasonic treatment apparatus, comprising: a control unit that stops the supply operation of the perfusate when the detection unit detects that the perfusate has flowed into the suction conduit.