JP2006006390A - Ultrasonic treatment apparatus - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide an ultrasonic treatment apparatus having a simple constitution, promoting reduction in size and executing a stable and highly precise treatment operation. <P>SOLUTION: This ultrasonic treatment apparatus is provided with a bolt clamped Langevin-type ultrasonic vibrator 12 generating ultrasonic vibration, a horn 121 amplifying the oscillated ultrasonic vibration, a probe 11 transmitting the ultrasonic vibration to treat bio-tissue and having a recovery opening part and a suction passage for the bio-tissue in its distal end, and a grip part 10 furnished with the ultrasonic vibrator with its axis inclined. <P>COPYRIGHT: (C)2006,JPO&NCIPI

Description

  The present invention relates to an ultrasonic treatment apparatus used for pulverizing and emulsifying a living tissue in a surgical operation such as a surgical operation.

  In general, this type of ultrasonic treatment apparatus transmits ultrasonic vibrations oscillated by an ultrasonic transducer to a probe via a horn, and presses the probe against a living tissue, thereby ultrasonic vibrations from the probe. Biological tissue is pulverized and emulsified. Such an ultrasonic treatment apparatus is equipped with an ultrasonic vibrator capable of oscillating the high-power ultrasonic vibration necessary for pulverization and emulsification, and therefore, there is a strong demand for measures against heat generation and promotion of downsizing. Yes.

  By the way, in such an ultrasonic treatment apparatus, an ultrasonic transducer is coaxially housed in the gripping portion of the handpiece, and the operator holds the gripping portion provided on the handpiece in his / her hand to perform a desired treatment. (For example, refer to Patent Document 1). A connection cable that is electrically connected to the ultrasonic transducer and a pipe cap that is connected to the suction path are disposed at the end of the grip portion of the handpiece. For this reason, there exists a problem that a holding part becomes comparatively large.

  Therefore, conventionally, a groove is formed in a part of a block-structured Langevin bolted ultrasonic transducer formed of an electrode and a piezoelectric element, and an electrode is embedded in the groove to devise the wiring. There has been proposed a device in which a gripping portion in which an ultrasonic transducer is installed is reduced in size (for example, see Patent Document 2).

In addition, as a configuration for reducing the size of the gripping part, an insulating member is interposed between the connection cable connected to the ultrasonic transducer and the gripping part, so that the space between the gripping part and the gripping part can be reduced. A technique for realizing an internal structure in which gaps are dense has also been proposed (see, for example, Patent Document 3).
US Pat. No. 5,178,605 Japanese Patent Laid-Open No. 5-76572 JP-A-5-95957

  However, in the ultrasonic treatment apparatus of the above-mentioned Patent Document 2, the structure for forming the groove of the ultrasonic vibrator makes the vibration engineering unstable, causing heat generation, and the connecting cable is rubbed against the groove of the ultrasonic vibrator. Have the problem of causing wear and tear.

  In addition, the ultrasonic treatment apparatus of Patent Document 3 has a problem in that the connection cable is rubbed against the ultrasonic vibrator due to the configuration in which the internal structure of the handpiece is closely arranged, causing wear.

  The present invention has been made in view of the above circumstances, and provides an ultrasonic treatment apparatus that realizes a stable and highly accurate treatment operation with a simple configuration and capable of promoting miniaturization. With the goal.

  The present invention relates to an ultrasonic vibrator that oscillates ultrasonic vibration, a horn that amplifies ultrasonic vibration oscillated by the ultrasonic vibrator, and transmits ultrasonic vibration amplified by the horn to a living tissue. A treatment for treating the living tissue, the probe having a living tissue collection opening and a suction path provided at the tip, and the outer surface of the ultrasonic transducer, the ultrasonic transducer The ultrasonic treatment apparatus is configured to include a grip portion that is arranged to be inclined with respect to the axial direction.

  According to the above configuration, the ultrasonic transducer is accommodated and disposed in the gripping portion, so that the connection cable wiring space and the suction path between the ultrasonic transducer and the suction path are not wasted. Without providing, it becomes possible to arrange efficiently, and the outer diameter of the gripping portion can be set to a minimum. Therefore, it is possible to reduce the size of the ultrasonic transducer until it is suitable for the treatment operation after increasing the output of the ultrasonic transducer.

  The present invention also provides an ultrasonic vibrator that oscillates ultrasonic vibration, a horn that amplifies ultrasonic vibration oscillated by the ultrasonic vibrator, and transmits the ultrasonic vibration amplified by the horn to living tissue. The living body tissue is treated, and a probe having a living tissue collection opening and a suction path provided at a distal end portion, and an outer sheath of the ultrasonic transducer, and an end portion of the ultrasonic transducer And a grasping portion having a distal end portion that is positioned substantially flush with each other, to constitute an ultrasonic treatment apparatus.

  According to the above configuration, the ultrasonic transducer is internally provided such that the end portion thereof protrudes or is substantially flush with the end portion of the gripping portion, and the end of the ultrasonic transducer provided in the gripping portion is provided. External connection parts are attached to the part. As a result, it is possible to shorten the gripping portion while ensuring high output of the ultrasonic transducer, and it is possible to promote downsizing until it is suitable for the treatment operation.

  According to the present invention, it is possible to provide an ultrasonic treatment apparatus that realizes a stable and highly accurate grasping operation with a simple configuration and capable of facilitating downsizing.

  Hereinafter, embodiments of the present invention will be described in detail with reference to the drawings.

(First embodiment)
FIG. 1 shows an ultrasonic treatment apparatus according to a first embodiment of the present invention. A handpiece 1 has a suction unit as a treatment unit at a distal end portion of a gripping operation gripping unit 10 constituting a cover. The probe 11 provided with the opening is attached by screw fastening. The handpiece 1 is connected to the one end of the suction tube 4 constituting the connection cable 3 and the suction pipe. Among these, the other end of the connection cable 3 is electrically connected to the connection connector 5 of the apparatus body 2. The other suction tube 4 is connected to the suction bottle 7 through the suction pump 6 at the other end.

  The apparatus main body 2 is provided with a power switch 2a and an ultrasonic output level switch 2b. In addition, a foot switch 8 is electrically connected to the apparatus main body 2 via a connection cable 2c. The foot switch 8 is provided with, for example, an ultrasonic output pedal 8a and a suction pedal 8b. By operating the ultrasonic output pedal 8a and the suction pedal 8b, the ultrasonic output system of the apparatus main body 2 and the suction pump 6 are connected. ON / OFF switching control.

  As shown in FIG. 2, the handpiece 1 has the grip portion 10 formed in a substantially cylindrical shape, and an ultrasonic transducer, for example, a Langevin-type bolted ultrasonic transducer 12 is non-conductive. With respect to the cylinder axis of the gripping part 10 via the member 13 and the positioning member 14, the vibrator axis is provided with an inclination angle θ. For example, the gripping part 10 is provided with an attachment part 101 having an inclination angle θ inside, and the Langevin type bolted ultrasonic transducer 12 is positioned with respect to the attachment part 101 via the crab member 13 and the positioning member 14. It is decorated by accommodating. Here, the outer diameter dimension D of the gripping portion 10 is substantially the same as the shape in which a suction cap member 15 and a single cord folding stop member 16 described later are arranged in parallel.

  The Langevin-type bolted ultrasonic transducer 12 includes a plurality of disk-shaped plurality of doughnut-shaped ceramic piezoelectric elements 122 provided at the base end of a metal horn 121 and a through hole provided substantially in the middle. The piezoelectric element 122 and the electrode 123 are integrally assembled in a block shape with a metal backing plate 124 interposed between the electrodes 123 in order. The probe 11 is attached to the tip of the horn 121 by screw fastening or the like.

  The electrodes 123 of the Langevin bolted ultrasonic transducer 12 are electrically connected to each other via an electric wire 125, and the electric wire 125 is electrically connected to the connection cable 3 via a wiring member 127. Is done. The connection cable 3 is provided with the cord breakage prevention member 16 at the tip, and is electrically connected to the wiring member 127 at the end of the grip portion 10 via the cord breakage prevention member 16.

  As a result, when power is supplied to the electrode 123 via the connection cable 3, the Langevin-type bolted ultrasonic transducer 12 generates an ultrasonic vibration by applying a potential difference uniformly to the piezoelectric element 122.

  Further, the suction cap member 15 that constitutes a suction pipe having a hollow structure coaxially with the Langevin-type bolted ultrasonic transducer 12 protrudes from the end portion of the grip portion 10. The suction cap member 15 is connected to the suction passage 126 of the Langevin type bolted ultrasonic transducer 12 in the grip portion 10 and the suction tube 4 is connected to the externally exposed side thereof to communicate with each other.

  The gripping part 10 of the handpiece 1 is formed in a so-called waterproof structure that prevents intrusion of moisture including water from the outside into the interior in the state where the Langevin-type bolted ultrasonic transducer 12 is housed. The

  1 and 2, the surgeon grasps the grasping portion 10 of the handpiece 1 and turns on the power switch 2a of the apparatus main body 2 so as to The ultrasonic output level switch 2b is operated to set the ultrasonic output level to a desired level. Thereafter, the surgeon steps on the ultrasonic output pedal 8a of the foot switch 8 to turn it on, and steps on the suction pedal 8b to turn it on to drive the suction pump 6.

  Here, in the handpiece 1, electric power from the apparatus main body 2 is supplied to the Langevin type bolted ultrasonic transducer 12 via the connection cable 3 to the electrode 123, and the piezoelectric effect of the piezoelectric element 122 due to the potential difference of the electrode 123. Is converted into ultrasonic vibration and transmitted to the horn 121, and the horn 12 uses the substantially conical tapered surface to expand the amplitude of the ultrasonic vibration and transmit it to the probe 11.

  Then, the ultrasonic vibration from the Langevin type bolted ultrasonic transducer 12 is transmitted to the tip of the probe 11, and the living tissue is crushed and emulsified at the tip, and the crushed and emulsified living tissue is turned into the hollow portion. Aspirate with. The biological tissue sucked by the probe 11 passes through the suction path 126 of the Langevin type bolted ultrasonic transducer 12 and is discharged to the suction bottle 7 via the suction base member 15, the suction tube and the suction pump 6.

  As described above, the ultrasonic treatment apparatus is configured so that the Langevin-type bolt-clamped ultrasonic transducer 12 that generates ultrasonic vibrations transmitted to the probe 11 is included in the grip portion 10 with the axial direction inclined. .

  According to this, the arrangement of the cord breakage prevention member 16 and the arrangement of the suction cap member 15 of the connection cable 3 wired to the Langevin type bolted ultrasonic transducer 12 can be efficiently arranged without providing a useless space. Thus, the outer diameter of the grip portion 10 can be set to a minimum. That is, when the Langevin-type bolted ultrasonic transducer 12 is installed in the gripping part 10 with the inclination angle θ, the outer diameter D of the gripping part 10 is such that the suction cap member 15 and one cord folding member The shape is approximately the same as the shape in which 16 are arranged in parallel.

  On the other hand, for example, as shown in FIG. 3, when the Langevin type bolted ultrasonic transducer 12 is coaxially mounted with respect to the gripping portion 10 a, the outer diameter d of the gripping portion 10 a is determined by the suction cap member. 15 and approximately the same size as the shape in which the two cord fold prevention members 16 are arranged side by side, and the diameter is larger than the outer diameter D of the gripping portion 10 which is a feature of the present invention (see FIG. 2 and FIG. 2). (See FIG. 3).

  As described above, in the first embodiment, the output of the Langevin-type bolted ultrasonic transducer 12 is increased, and the holding unit 10 is downsized (thinner diameter) until suitable for the treatment operation. be able to.

(Second Embodiment)
FIG. 4 shows an ultrasonic treatment apparatus according to the second embodiment of the present invention. A substantially cylindrical gripping part 20 constituting the handpiece 1a is provided with a mounting part 201 on the inner wall thereof. Then, the Langevin type bolted ultrasonic transducer 12 is coaxially mounted on the mounting portion 201 via a non-conductive creek member 13 and a positioning member (in FIG. 4).

  Similarly, the Langevin-type bolted ultrasonic transducer 12 includes a plurality of disk-shaped plurality of doughnut-shaped ceramic piezoelectric elements 122 provided at the base end portion of a metal horn 121 and a through hole provided substantially in the middle. The piezoelectric element 122 and the electrode 123 are assembled in a block shape with a metal backing plate 124 interposed between the electrodes 123 in order. The probe 11 (see FIG. 1) is attached to the tip of the horn 121.

  The electrodes 123 of the Langevin bolted ultrasonic transducer 12 are electrically connected to each other via an electric wire 125, and the electric wire 125 is electrically connected to the connection cable 3 via a wiring member 127. Is done. The connection cable 3 is provided with the cord break prevention member 16 at the tip, and is electrically connected to the wiring member 127 at the end of the grip portion 20 via the cord break prevention member 16.

  As a result, when power is supplied to the electrode 123 via the connection cable 3, the Langevin-type bolted ultrasonic transducer 12 generates an ultrasonic vibration by applying a potential difference uniformly to the piezoelectric element 122.

  Further, the suction path 126 of the Langevin-type bolted ultrasonic transducer 12 is provided in a sealing structure via an elastic member 128 in a state of protruding from, for example, the end portion of the grip portion 20. In other words, when the length dimension in the axial direction of the grip portion 20 is L1, the length dimension L in the axial direction of the Langevin type bolted ultrasonic transducer is set to L1 <L. And the connection port 211 of the suction tube 21 with bamboo shoots shown in FIG. 5, for example, is attached to the tip of the suction path 126 of the Langevin type bolted ultrasonic transducer 12 (see FIG. 5).

  In the above configuration, when performing coagulation / incision treatment (see FIGS. 1 and 4), the operator holds the grip 20 of the handpiece 1 and turns on the power switch 2a of the apparatus body 2 to The ultrasonic output level switch 2b is operated to set the ultrasonic output level to a desired level. Thereafter, the surgeon steps on the ultrasonic output pedal 8a of the foot switch 8 to turn it on, and steps on the suction pedal 8b to turn it on to drive the suction pump 6.

  Here, when the power from the apparatus main body 2 is supplied to the electrode 123 via the connection cable 3 to the Langevin type bolted ultrasonic transducer 12 of the handpiece 1, the piezoelectric effect of the piezoelectric element 122 due to the potential difference of the electrode 123. The ultrasonic vibration is converted to ultrasonic vibration and transmitted to the horn 121. The horn 121 uses the substantially conical tapered surface to expand the amplitude of the ultrasonic vibration and transmit it to the probe 11.

  Then, the ultrasonic vibration from the Langevin type bolted ultrasonic transducer 12 is transmitted to the tip of the probe 11, and the living tissue is crushed and emulsified at the tip, and the crushed and emulsified living tissue is turned into the hollow portion. Aspirate with. The biological tissue sucked by the probe 11 passes through the suction path 126 of the Langevin type bolted ultrasonic transducer 12 and is sucked by the suction pump 6 through the suction tube 21 with bamboo shoots and discharged to the suction bottle 7.

  In the second embodiment, the Langevin-type bolted ultrasonic transducer 12 is provided with the end of the suction path 126 projecting from the end of the gripping part 20, and the end of the suction path 126. The suction tube 21 with bamboo shoots is attached to the part.

  According to this, it becomes possible to shorten the length dimension L1 of the grip part 20 in the axial direction to the minimum.

  That is, the axial length L1 of the gripping portion 20 is set to be shorter than the axial length L of the Langevin bolt tightening ultrasonic transducer 12, and the Langevin bolt tightening length protruding from the gripping portion 20 is exceeded. For example, a suction tube 21 with a bamboo shoot is attached to the suction path 126 of the acoustic wave vibrator 12 to be connected to the suction system. On the other hand, for example, as shown in FIG. 6, the suction path 126 of the Langevin type bolted ultrasonic transducer 12 housed in the gripping portion 20a is connected to the suction cap member 22 disposed at the end of the gripping portion 20a. In such a configuration, the length dimension L2 of the gripping portion 20a in the axial direction is elongated as compared with the length dimension L of the Langevin type bolted ultrasonic transducer 12.

  As described above, in the second embodiment, the suction path 126 of the Langevin-type bolted ultrasonic transducer 12 is provided so as to protrude from the end portion of the grip portion 20, so that the Langevin-type bolted ultrasonic vibration is provided. It is possible to reduce the length of the child 12 until it is suitable for the treatment operation of the grasping portion 20 after increasing the output of the child 12.

  In the above embodiment, the suction passage 126 of the Langevin type bolted ultrasonic transducer 12 is configured to protrude from the end portion of the grasping portion 20, but the present invention is not limited thereto. Even if the suction path 126 of the Langevin-type bolted ultrasonic transducer 12 is arranged in the grip portion 20 in a state of being substantially flush with the end portion of the grip portion 20, substantially the same effect can be obtained. Be expected.

  The present invention is not limited to the configuration described in each of the above embodiments as the cord folding prevention structure, but may be configured as shown in FIGS. 7, 8, 9, 10, and 11, for example. It is possible to expect a better effect. However, FIGS. 7 to 11 show an example applied to the second embodiment.

  First, in FIG. 7, the connection cable 3 is rotated in the same direction via a conductive joint mechanism 30 that is rotatable in the direction of arrow A with respect to the grip portion 20 in which the Langevin type bolted ultrasonic transducer 12 is housed. It is also possible to configure the wiring connection so that dynamic adjustment is possible. As the conduction joint mechanism 30, a so-called universal joint type that can rotate around two axes that are orthogonal to the axis (in the direction of arrow A in FIG. 7) and around the axis (in the direction of arrow B in FIG. 7). It is also possible to configure by using.

  8 and 9, the cord folding preventing member 31 is formed with a recess 311 so that the suction path 126 of the Langevin-type bolted ultrasonic transducer 12 is accommodated in the recess 311. With this configuration, it is possible to further promote downsizing (thinning in diameter).

  Further, in the cord folding prevention structure shown in FIG. 10, a blocking wall 202 is provided at the end portion of the grip portion 20. The cord breakage prevention member 32 is provided with a mounting cover portion 321 that covers the blocking wall 202 of the gripping portion 20, and the suction path 126 of the Langevin type bolted ultrasonic transducer 12 is inserted into the mounting cover portion 321. The insertion hole 322 and the connection cable insertion hole 323 are provided.

  Further, as shown in FIG. 11, in the cord bend preventing structure, the cord bend preventing member 33 is provided with a mounting cover portion 331 for closing the end portion of the gripping portion 20, and the Langevin type bolted ultrasonic transducer is provided on the mounting cover portion 331. The insertion holes 332 through which the twelve suction paths 126 are inserted and the connection cable insertion holes 333 are attached and arranged.

  Furthermore, in each said embodiment, although demonstrated when the holding parts 10 and 20 which comprise the handpiece 1 were formed in the substantially cylindrical shape, the outer shape of the holding parts 10 and 20 is not restricted to this, For example, It can be formed in a cylindrical shape having a substantially D-shaped cross section, or in various other external shapes, and the same effect is expected.

  Therefore, the present invention is not limited to the above-described embodiment, and various modifications can be made without departing from the scope of the invention in the implementation stage. Further, the above embodiments include inventions at various stages, and various inventions can be extracted by appropriately combining a plurality of disclosed constituent elements.

  For example, even if some constituent requirements are deleted from all the constituent requirements shown in the embodiment, the problem described in the column of the problem to be solved by the invention can be solved, and the effect described in the effect of the invention can be obtained. In such a case, a configuration in which this configuration requirement is deleted can be extracted as an invention.

  In addition, according to each of the above embodiments, the present invention can also obtain the following configuration.

(Appendix 1)
At least one or more piezoelectric elements that generate ultrasonic vibrations built into the ultrasonic treatment handpiece, and a horn part having a fixing flange part that expands and transmits the vibrations generated by the piezoelectric elements; A Langevin type bolted super structure comprising a plurality of electrodes sandwiching the piezoelectric element from both sides, and a bolt penetrating the piezoelectric element and the electrode, wherein the horn, the piezoelectric element and the electrode form an integral block structure. A sound wave oscillator,
A probe for transmitting ultrasonic vibrations generated by the Langevin type bolted ultrasonic transducer to a living tissue and performing ultrasonic treatment;
An opening for collecting the emulsified tissue provided at the tip of the probe;
A suction line for sucking a tissue piece from the opening;
In the handpiece consisting of the Langevin type bolted ultrasonic transducer and the operation part covering the suction conduit,
An ultrasonic treatment apparatus, wherein a long axis of the operation unit and a long axis of the Langevin type bolted ultrasonic transducer do not coincide with each other.

(Appendix 2)
At least one or more piezoelectric elements that generate ultrasonic vibrations built into the ultrasonic treatment handpiece, and a horn part having a fixing flange part that expands and transmits the vibrations generated by the piezoelectric elements; A Langevin type bolted ultrasonic wave comprising a plurality of electrodes sandwiching the piezoelectric element from both sides and a bolt penetrating the piezoelectric element and the electrode, wherein the horn, the piezoelectric element and the electrode form an integral block structure. A vibrator,
A probe for transmitting ultrasonic vibrations generated by the Langevin type bolted ultrasonic transducer to a living tissue and performing ultrasonic treatment;
An opening for collecting the emulsified tissue provided at the tip of the probe;
A suction line for sucking a tissue piece from the opening;
In the handpiece consisting of the Langevin type bolted ultrasonic transducer and the operation part covering the suction conduit,
The end portion of the Langevin type bolted ultrasonic transducer and the end portion of the gripping portion are substantially at the same position with respect to the longitudinal direction of the handpiece, or the end portion of the Langevin type bolted ultrasonic transducer is the gripping portion. An ultrasonic treatment apparatus, wherein the ultrasonic treatment apparatus extends from an end portion of the head.

It is the perspective view which showed the external appearance structure of the ultrasonic treatment apparatus with which embodiment of this invention is applied. It is sectional drawing which took out and showed the handpiece of the ultrasonic treatment apparatus which concerns on 1st Embodiment of this invention. It is sectional drawing shown in order to demonstrate the effect of FIG. It is sectional drawing which took out and showed the handpiece of the ultrasonic treatment apparatus which concerns on 2nd Embodiment of this invention. It is the perspective view which showed an example of the suction tube of FIG. It is sectional drawing shown in order to demonstrate the effect of FIG. It is the perspective view which showed the other Example of the cord break prevention structure applied to this invention. It is sectional drawing which showed the other Example of the cord break prevention structure applied to this invention. It is the perspective view which took out and showed the cord break prevention member used for the cord break prevention structure of FIG. It is sectional drawing which showed the other Example of the cord break prevention structure applied to this invention. FIG. 11 is a cross-sectional view showing another example of the cord breakage preventing structure of FIG. 10.

Explanation of symbols

  DESCRIPTION OF SYMBOLS 1 ... Handpiece, 2 ... Apparatus body, 2a ... Power switch, 2b ... Ultrasonic output level switch, 2c ... Connection cable, 3 ... Connection cable, 4 ... Suction tube, 5 ... Connection connector, 6 ... Suction pump, 7 ... Suction bottle, 8 ... foot switch, 8a ... ultrasonic output pedal, 8b ... suction pedal, 10 ... gripping part, 101 ... mounting part, 11 ... probe, 12 ... Langevin type bolted ultrasonic transducer, 121 ... horn, DESCRIPTION OF SYMBOLS 122 ... Piezoelectric element, 123 ... Electrode, 124 ... Backing board, 125 ... Electric wire, 126 ... Suction path, 127 ... Wiring member, 128 ... Elastic member, 13 ... Crimp member, 14 ... Positioning member, 15 ... Suction cap member, 16 DESCRIPTION OF SYMBOLS ... Cord break prevention member, 20 ... Holding part, 201 ... Mounting part, 202 ... Blocking wall, 21 ... Suction tube with bamboo shoot, 211 ... Connection port, 30 ... Conducting join Mechanism: 31 ... Cord break-preventing member, 311 ... Recess, 32 ... Cord break-preventing member, 321 ... Mounting cover part, 322 ... Insertion hole, 323 ... Connection cable penetration hole, 33 ... Cord breakage-preventing member, 331 ... Attachment cover part 332... Insertion hole, 333... Connection cable insertion hole.

Claims (3)

An ultrasonic vibrator that oscillates ultrasonic vibration;
A horn for amplifying the ultrasonic vibration oscillated by the ultrasonic vibrator;
The ultrasonic vibration amplified by the horn is transmitted to the living tissue to treat the living tissue, and a probe provided with a recovery opening and a suction path for the living tissue at the tip,
An ultrasonic treatment apparatus comprising: a grasping portion that is externally mounted on the ultrasonic transducer and is disposed to be inclined with respect to an axial direction of the ultrasonic transducer. An ultrasonic vibrator that oscillates ultrasonic vibration;
A horn for amplifying the ultrasonic vibration oscillated by the ultrasonic vibrator;
The ultrasonic vibration amplified by the horn is transmitted to the living tissue to treat the living tissue, and a probe provided with a recovery opening and a suction path for the living tissue at the tip,
An ultrasonic treatment apparatus comprising: a grasping portion that is sheathed by the ultrasonic transducer and has a distal end portion that protrudes or is substantially flush with a distal end portion of the ultrasonic transducer.   The ultrasonic vibrator is a Langevin type bolted ultrasonic vibrator having a block structure in which at least one piezoelectric element is sandwiched between electrodes and a bolt is inserted between them to be integrated with the horn. The ultrasonic treatment apparatus according to claim 1, wherein the ultrasonic treatment apparatus is provided.

Images