JP2013034536A - Fat-dissolving device and system for fat-dissolving treatment - Google Patents

Abstract

PROBLEM TO BE SOLVED: To easily and promptly dissolve a fat tissue in a living body.SOLUTION: A fat-dissolving device 100 includes: a long and thin cylindrical housing 10 with an opening 10a that is to be inserted into a living body and pressed against a fat tissue attached to an organ such as heart; a pair of rotating shafts 17 positioned in the vicinity of the opening 10a in the housing 10, and further includes a pair of rollers 15 for sucking the fat tissue into the housing 10 through the opening 10a; and an ultrasonic element 27 for ultrasonically irradiating the fat tissue, which has been sucked into the housing 10 by the pair of rollers 15, and thus heating and dissolving the fat tissue within the housing 10.

Description

  The present invention relates to a fat dissolving apparatus and a fat dissolving treatment system.

  Conventionally, a fat dissolving apparatus that dissolves adipose tissue such as subcutaneous fat is known (for example, see Patent Document 1). The fat dissolving device described in Patent Document 1 dissolves fat by generating thermal friction around the tip of the probe by ultrasonically vibrating the tip of the probe arranged at the tip of the ultrasonic vibration device. The fat is sucked and removed by emulsifying the fat by irradiating it with physiological saline or the like.

Japanese Patent Publication No. 6-20462

  However, when dissolving visceral fat adhering to an organ, since fat tissue is close to the organ, it is necessary to carefully operate so as not to damage the organ due to fat dissolution treatment. There is an inconvenience that the melting treatment requires experience and working time.

  This invention is made | formed in view of the situation mentioned above, Comprising: It aims at providing the fat dissolving apparatus and fat dissolving processing system which can melt | dissolve the fat tissue of a biological body simply and rapidly.

In order to achieve the above object, the present invention provides the following means.
The present invention includes a housing having an opening that is inserted into a living body and pressed against a fatty tissue, a retracting portion that draws the fatty tissue into the housing from the opening, and the adipose tissue that is retracted by the retracting portion. A fat dissolving apparatus comprising a dissolving part that dissolves in a housing.

  According to the present invention, in a state where the opening of the housing is pressed against the adipose tissue of the living body, the adipose tissue is drawn into the housing by the operation of the retracting portion, and the adipose tissue is dissolved in the housing by the operation of the dissolving portion. Is done. Thus, the casing and the adipose tissue can be positioned by drawing the adipose tissue into the casing. Further, by dissolving the adipose tissue locally drawn into the housing, it is possible to prevent an erroneous operation such as heating an organ or the like to which the adipose tissue is attached, and to prevent the organ or the like from being damaged. Therefore, it is possible to simplify the adipose tissue dissolution treatment and improve the speed.

In the said invention, the said melt | dissolution part is good also as being an ultrasonic element which heats the said adipose tissue drawn in in the said housing | casing non-contactingly.
By comprising in this way, even if a melt | dissolution part and an adipose tissue are a non-contact state, an adipose tissue can be dissolved. In addition, the adipose tissue can be locally heated.

In the above invention, the propagation member can be stored so that the propagation member is filled between the fatty tissue drawn into the housing by the pull-in portion and the ultrasonic element. It is good also as having a storage space.
By configuring in this way, the propagation member is filled in the storage space in a state where the adipose tissue is drawn into the housing from the opening by the drawing-in portion, so that the ultrasonic wave by the liquid is interposed between the adipose tissue and the ultrasonic element. A propagation space can be formed. Thereby, an ultrasonic wave can be propagated with high efficiency and it can make it easy to dissolve a fatty tissue. Examples of the propagation member include water and jelly.

  Moreover, in the said invention, the propagation member holding | maintenance which is provided in the said storage space, hold | maintains the propagation member filled in this storage space, and can contact the said fat tissue pulled in in the said housing | casing by the said drawing-in part It is good also as providing a part.

  With this configuration, when the propagation member filled in the storage space is held by the propagation member holding unit, and the fatty tissue is released from the drawing by the drawing unit, the propagation member leaks from the opening to the outside. Can be prevented. In addition, with the propagation member holding unit holding the propagation member, the ultrasonic wave propagation space by the propagation member is maintained between the fatty tissue and the ultrasonic element by contacting the adipose tissue drawn into the housing. be able to.

Moreover, in the said invention, the said melt | dissolution part is good also as being a heater provided so that the said fat tissue drawn in in the said housing | casing could be contacted.
By comprising in this way, the heat of a heater can be transmitted to an adipose tissue, and an adipose tissue can be heated. For example, if the contact area between the adipose tissue and the heater is increased, a wide range of adipose tissue can be dissolved at a time.

Moreover, in the said invention, the said drawing-in part is equipped with the rotary body which can be rotated in the mutually opposite direction around the axis line arrange | positioned at predetermined intervals in the width direction of this opening part in the vicinity of the said opening part. Also good.
With such a configuration, the rotating body is rotated and the fat tissue is simply pressed between the rotating bodies, and the fat tissue is sandwiched between the rotating bodies and can be drawn into the housing by friction.

Moreover, in the said invention, it is good also as having a heating part which heats the said rotary body.
With such a configuration, by heating the rotating body by the heating unit, the adipose tissue sandwiched between the rotating bodies can be heated and softened, and can be easily drawn into the housing. Thereby, an adipose tissue can be dissolved more simply and rapidly.

  Further, in the above invention, the pull-in portion is disposed at a predetermined interval in the width direction of the opening, and has a pair of arms having claw portions protruding in a direction facing each other, and the pair of arms. It is good also as providing the 1st drive mechanism which moves to the direction which mutually adjoins or spaces apart, and the 2nd drive mechanism which takes in / out the claw part of a pair of above-mentioned arm in and out of the above-mentioned case from the above-mentioned opening.

  With this configuration, the opening is pressed against the adipose tissue in a state where the claw portions of the pair of arms are arranged outside the housing by the second drive mechanism, and the pair of arms are brought close to each other by the first drive mechanism. The nail | claw part can be hooked on a fat tissue by making it move. Then, by retracting the pair of arms into the housing by the second drive mechanism, the adipose tissue hooked on the claw portion can be drawn into the housing. Thereby, a fat tissue is hold | gripped with a pair of arm, it can draw in in a housing | casing, and a housing | casing and an adipose tissue can be positioned more reliably.

Moreover, in the said invention, the said drawing-in part is good also as providing the suction tube which has the suction opening which is arrange | positioned in the vicinity of the said opening part and can attract | suck the said fat tissue.
With this configuration, the adipose tissue can be held in a state where the aspiration tissue is drawn into the housing by the aspiration tube by aspirating the adipose tissue with the suction port while the opening is pressed against the adipose tissue.

Moreover, in the said invention, it is good also as providing the suction part which sucks the fat tissue melt | dissolved by the said melt | dissolution part.
By configuring in this way, even if the adipose tissue dissolved by the dissolution unit is mixed in the housing, the aspiration tissue is sucked by the suction unit and becomes a hindrance when dissolving the fat tissue in other regions of the living body. Can be prevented.

Moreover, in the said invention, it is good also as providing the acicular member which has the sharp-shaped point part provided so that the said fat tissue drawn in by the said drawing-in part could contact.
With this configuration, when adipose tissue covered with a membrane is dissolved, such as the adipose tissue around the heart covered with the epicardium, the tip of the needle-like member is pierced. The membrane can be broken to facilitate dissolution of adipose tissue.

In the above-mentioned invention, it is good also as provided with the sensor which detects the amount of drawing-in of the fat tissue, and the control part which controls the drive of the drawing-in part according to the amount of drawing detected by the sensor.
With this configuration, if the drive of the pull-in unit is stopped by the control unit in a state where the fat tissue has been sufficiently pulled into the housing, the fat tissue is formed by the dissolving unit in a state where the housing and the fat tissue are positioned and fixed. Can be heated to dissolve the adipose tissue with higher accuracy.

Moreover, in the said invention, it is good also as providing the observation optical system which observes the said fat tissue.
With this configuration, the adipose tissue can be dissolved while observing the adipose tissue of the affected area to be treated with the observation optical system.

The present invention provides a fat dissolution treatment system comprising an endoscope apparatus having an observation optical system for observing the fat tissue and the fat dissolving apparatus.
According to the present invention, the fat tissue can be dissolved by the fat dissolving apparatus while observing the fat tissue of the affected part to be treated with the endoscope apparatus with the observation optical system.

  According to the present invention, there is an effect that a living adipose tissue can be easily and rapidly dissolved.

It is a top view which shows the fat dissolving apparatus which concerns on 1st Embodiment of this invention. (A) is sectional drawing which cut | disconnected the fat dissolving apparatus which concerns on 1st Embodiment of this invention in the direction orthogonal to a longitudinal direction, (b) is sectional drawing which cut | disconnected the fat dissolving apparatus in the direction along a longitudinal direction It is. It is sectional drawing which shows a mode that a fat tissue is drawn in in a housing | casing by the fat dissolving apparatus of Fig.2 (a). (A) is sectional drawing which cut | disconnected the fat dissolving apparatus which concerns on the 1st modification of 1st Embodiment of this invention in the direction orthogonal to a longitudinal direction, (b) is the direction along the longitudinal direction of the fat dissolving apparatus. It is sectional drawing cut | disconnected by. It is sectional drawing which shows a mode that a fat tissue is drawn in in a housing | casing by the fat dissolving apparatus of Fig.4 (a). (A) is sectional drawing which cut | disconnected the fat dissolving apparatus which concerns on the 2nd modification of 1st Embodiment of this invention in the direction orthogonal to a longitudinal direction, (b) is the direction along the longitudinal direction of the fat dissolving apparatus. It is sectional drawing cut | disconnected by. It is sectional drawing which shows a mode that a fat tissue is drawn in in a housing | casing by the fat dissolving apparatus of Fig.6 (a). (A) is sectional drawing which cut | disconnected the fat dissolving apparatus which concerns on the 3rd modification of 1st Embodiment of this invention in the direction orthogonal to a longitudinal direction, (b) is the direction along the longitudinal direction of the fat dissolving apparatus. It is sectional drawing cut | disconnected by. It is sectional drawing which shows a mode that a fat tissue is drawn in in a housing | casing by the fat dissolving apparatus of Fig.8 (a). (A) is sectional drawing which cut | disconnected the structure which deform | transformed the fat dissolving apparatus which concerns on the 3rd modification of 1st Embodiment of this invention in the direction orthogonal to a longitudinal direction, (b) is the fat dissolving apparatus longitudinally. It is sectional drawing cut | disconnected in the direction in alignment with a direction. It is sectional drawing which shows a mode that a fat tissue is drawn in in a housing | casing by the fat dissolving apparatus of Fig.10 (a). (A) is sectional drawing which cut | disconnected the fat dissolving apparatus which concerns on 2nd Embodiment of this invention in the direction orthogonal to a longitudinal direction, (b) is sectional drawing which cut | disconnected the fat dissolving apparatus in the direction along a longitudinal direction It is. It is sectional drawing which shows a mode that a fat tissue is drawn in in a housing | casing by the fat dissolving apparatus of Fig.12 (a). (A) is sectional drawing which cut | disconnected the fat dissolving apparatus which concerns on 3rd Embodiment of this invention in the direction orthogonal to a longitudinal direction, (b) is sectional drawing which cut | disconnected the fat dissolving apparatus in the direction along a longitudinal direction It is. It is sectional drawing which shows a mode that a fat tissue is drawn in in a housing | casing by the fat dissolving apparatus of Fig.14 (a). (A) is sectional drawing which cut | disconnected the fat dissolving apparatus which concerns on 4th Embodiment of this invention in the direction orthogonal to a longitudinal direction, (b) is sectional drawing which cut | disconnected the fat dissolving apparatus in the direction along a longitudinal direction It is. It is sectional drawing which shows a mode that a fat tissue is drawn in in a housing | casing by the fat dissolving apparatus of Fig.16 (a). (A) is sectional drawing which cut | disconnected the fat dissolving apparatus which concerns on the modification of 4th Embodiment of this invention in the direction orthogonal to a longitudinal direction, (b) cut | disconnected the fat dissolving apparatus in the direction along a longitudinal direction FIG. It is sectional drawing which shows a mode that a fat tissue is drawn in in a housing | casing by the fat dissolving apparatus of Fig.18 (a).

[First Embodiment]
A fat dissolving apparatus according to a first embodiment of the present invention will be described below with reference to the drawings.
The fat dissolving apparatus according to the present embodiment can dissolve adipose tissue adhering to an organ such as a heart of a living body. For example, as shown in FIGS. 1, 2 (a) and 2 (b), the fat dissolving apparatus 100 includes an elongated cylindrical housing 10 inserted into a living body, and a fat tissue A ( A pair of rollers 15 (see FIG. 3) for drawing in, a rotation drive unit 21 having a pair of drive shafts 23 for rotating the pair of rollers 15, and a fat tissue A drawn into the housing 10 are heated. And an ultrasonic element (dissolving part) 27 to be dissolved. In FIG. 1, symbol H indicates the heart, symbol P indicates the pericardium, symbol C indicates the pericardial cavity, symbol X indicates the xiphoid process, and FIG. It shows a state in which the pericardium B is penetrated from the lower part of the heart into the pericardial cavity C.

  The housing 10 has an opening 10a that opens in a side wall near the tip, and the adipose tissue A can be drawn into the housing 10 from the opening 10a. A cavity is formed in the casing 10 between the ultrasonic element 27 and the opening 10a. This hollow portion has a storage space 11 in which a liquid (propagation member) such as water can be stored so that the liquid is filled between the ultrasonic element 27 and the fat tissue by closing the opening 10a with the fat tissue. It is supposed to function as. In addition, it is good also as using a jelly as a propagation member.

  The pair of rollers 15 includes a pair of rotating shafts 17 provided in the vicinity of the opening 10a in the housing 10, that is, in the storage space 11, and arranged at a predetermined interval in the width direction of the opening 10a. ing. These rollers 15 include a gear 19 that meshes with a gear 25 provided at one end of a drive shaft 23 of the rotation drive unit 21.

  When the pair of drive shafts 23 are rotated by the operation of the rotation drive unit 21, the rollers 15 are rotated around the rotation shaft 17 by transmitting the rotational force through the gears 25 and 19. It has become. When the adipose tissue is pressed against the pair of rollers 15 while rotating in opposite directions, the adipose tissue can be sandwiched between the rollers 15 and the adipose tissue can be pulled into the housing 10 by friction. ing.

  The ultrasonic element 27 is provided in the housing 10 and is disposed to face the opening 10 a through the storage space 11. A wiring 29 for applying a drive signal from an ultrasonic device (not shown) is connected to the ultrasonic element 27, and an ultrasonic wave is applied to the fatty tissue drawn into the housing 10 by the pair of rollers 15. Can be generated. The ultrasonic element 27 generates an ultrasonic wave toward the opening 10 a and focuses it at one point before the opening 10 a in the housing 10. The focus position of the ultrasonic wave is designated P.

  The fat dissolving apparatus 100 includes a water supply pipe 31 that supplies a liquid to the storage space 11 of the housing 10, a sensor 33 that detects the amount of adipose tissue drawn into the housing 10 by the pair of rollers 15, and a sensor 33. And a control unit (not shown) that controls the rotation drive unit 21 in accordance with the amount of pull-in detected by.

  The water supply pipe 31 is provided in the casing 10 along the longitudinal direction thereof, and is arranged so that the tip opens into the storage space 11. By supplying a liquid to the storage space 11 through the water supply pipe 31 and filling it in a state where the opening 10a is closed by the adipose tissue by drawing the adipose tissue into the housing 10 from the opening 10a by the pair of rollers 15, An ultrasonic propagation space can be formed between the adipose tissue and the ultrasonic element 27 by a liquid.

  The sensor 33 includes a light projecting unit 33A that emits detection light and a light receiving unit 33B that receives the detection light emitted from the light projecting unit 33A. The light projecting unit 33A and the light receiving unit 33B are disposed in the vicinity of the opening 10a so as to face each other with the opening 10a sandwiched in the width direction, so that the detection light passes through the focal point P of the ultrasonic wave. The optical axis position is adjusted.

When the fatty tissue is drawn into the housing 10 and the detection light emitted from the light projecting unit 33A is blocked by the fatty tissue, the sensor 33 receives the detection light when the light receiving unit 33B is prevented from receiving the detection light. A drive stop signal is output from the unit 33B to the control unit.
When the drive stop signal from the light receiving unit 33B is input, the control unit stops driving the rotation drive unit 21.

Next, the operation of the fat dissolving apparatus 100 configured as described above will be described below.
In order to dissolve adipose tissue attached to a living organ or the like using the fat dissolving apparatus 100 according to the present embodiment, first, the housing 10 is inserted into the living body, and the opening of the housing 10 is inserted into the fat tissue. The part 10a is pressed.

  Next, detection light is generated from the light projecting unit 33A of the sensor 33, and the rotation driving unit 21 is driven to rotate the pair of rollers 15 in opposite directions. As a result, as shown in FIG. 3, the adipose tissue A is sandwiched between the rollers 15, and the adipose tissue A is drawn into the housing 10 by friction.

  When the fat tissue A is drawn to the focal position P of the ultrasonic wave emitted from the ultrasonic element 27 by the pair of rollers 15, the detection light emitted from the light projecting unit 33 </ b> A of the sensor 33 is blocked by the fatty tissue A. . As a result, a drive stop signal is output from the light receiving unit 33B to the control unit, the drive of the rotation drive unit 21 is stopped by the control unit, and the drawing of the fat tissue A by the pair of rollers 15 is stopped. Thereby, the housing 10 and the adipose tissue A are positioned and fixed in a state where the opening 10 a is closed by the adipose tissue A drawn into the housing 10.

  Next, the liquid is supplied from the water supply pipe 31 and the storage space 11 is filled with the liquid. When the storage space 11 is filled with the liquid, ultrasonic waves are generated from the ultrasonic element 27, and the adipose tissue A is irradiated with ultrasonic waves through the propagation space formed by the liquid in the storage space 11. Thereby, the fat tissue A in the vicinity of the focal position P of the ultrasonic wave can be heated in the casing 10 to dissolve the fat tissue A.

  As described above, according to the fat dissolving apparatus 100 according to the present embodiment, the casing 10 and the fat tissue A can be positioned by drawing the fat tissue A into the casing 10. In addition, by heating the adipose tissue A locally drawn into the housing 10, it is possible to prevent an erroneous operation such as heating an organ or the like attached to the adipose tissue A and prevent the organ or the like from being damaged. it can. Therefore, the dissolution treatment of the adipose tissue A can be simplified and the speed can be improved. Further, by irradiating the adipose tissue A with ultrasonic waves through the propagation space formed by the liquid in the storage space 11, the adipose tissue A can be easily dissolved by propagating the ultrasonic waves with high efficiency.

  In the present embodiment, a plurality of protrusions (not shown) protruding radially outward may be provided on the surfaces of the pair of rollers 15. By doing in this way, a fat tissue can be entangled by a projection part, and a fat tissue can be drawn in in case 10 more efficiently.

  In this embodiment, when the fatty tissue is drawn to the focal position P of the ultrasonic wave, the drawing by the roller 15 is stopped. However, the roller 15 may be continuously rotated. For example, when adipose tissue covered with a membrane, such as adipose tissue adhering to the surface of the heart covered with epicardium, is melted, by continuously rotating the roller 15, the inside of the membrane is In a state where the adipose tissue is heated and dissolved, the film can be broken by the roller 15 to release the dissolved adipose tissue from the epicardium.

This embodiment can be modified as follows.
As a first modification, for example, as shown in FIGS. 4 (a), (b) and FIG. 5, two other rollers 41 are arranged in parallel with each roller 15, and each roller 15 is Other rollers may be connected to each other. In this case, the other rollers 41 are arranged so as to be rotatable around the rotation shaft 43 parallel to the rotation shaft 17, and the rotation of each roller 15 is transmitted by the belt 45 so as to be rotated together with each roller 15. It is good.

  As a second modification, for example, as shown in FIGS. 6A, 6 </ b> B, and 7, the housing 10 holds a balloon (propagation member holding portion) that holds the liquid filled in the storage space 11. ) 51 and a water absorption pipe 55 that absorbs the liquid held by the balloon 51.

  In this case, the balloon 51 may be disposed in the storage space 11 and both the water supply pipe 31 and the water absorption pipe 55 may be opened in the balloon 51. The balloon 51 is formed of an elastic member that can be expanded and contracted. When the storage space 11 is filled with liquid, the volume is increased and the bottom 51a can extend to the vicinity of the opening 10a. You can do that.

  According to this modification, when the liquid filled in the storage space 11 is held by the balloon 51 and the adipose tissue A is released from being drawn by the pair of rollers 15, the liquid leaks to the outside from the opening 10a. Can be prevented. In addition, when the bottom 51 a comes into contact with the adipose tissue A drawn into the housing 10 in a state where the balloon 51 holds the liquid, the ultrasonic wave due to the liquid is interposed between the adipose tissue A and the ultrasonic element 27. Propagation space can be maintained.

  As a third modification, for example, as shown in FIGS. 8A, 8 </ b> B, and 9, the housing 10 includes a suction unit 61 that sucks the fatty tissue A dissolved by the ultrasonic element 27. It is good as well. The suction part 61 has a pipe shape arranged along the longitudinal direction of the housing 10, and its tip may be arranged near the focal position P of the ultrasonic wave.

  By doing in this way, even if the adipose tissue A dissolved by the ultrasonic element 27 is mixed in the housing 10, the adipose tissue A is aspirated by the aspiration unit 61, and the adipose tissue A in other areas of the living body is aspirated. It can be prevented from becoming an obstacle when dissolving.

In this modification, as shown in FIGS. 10A, 10B, and 11, the suction part (needle member) 61 may include a sharp tip 61a at the tip.
By doing in this way, the pointed part 61a of the suction part 61 can be made to bite into the adipose tissue A drawn into the housing 10 by the pair of rollers 15. Therefore, when adipose tissue covered with a membrane is dissolved, the tip portion 61a of the suction part 61 can be pierced to break the membrane, thereby facilitating dissolution of the adipose tissue A.

[Second Embodiment]
Next, a fat dissolving apparatus 200 according to a second embodiment of the present invention will be described with reference to FIGS. 12 (a), (b) and FIG.
In the fat dissolving apparatus 200 according to the present embodiment, instead of the pair of rollers 15, a pair of arms 71 disposed at a predetermined interval in the width direction of the opening 10 a of the housing 10, A first drive mechanism 73 that moves the arms 71 in a direction to approach or separate from each other, and a second drive mechanism 77 that moves the pair of arms 71 in and out of the housing 10 through the opening 10a. Different from the embodiment.
In the following, portions having the same configuration as those of the fat dissolving apparatus 100 according to the first embodiment are denoted by the same reference numerals and description thereof is omitted.

  The pair of arms 71 is formed of, for example, a plate-like member, and is disposed substantially parallel to each other with the opening 10a interposed therebetween. These arms 71 have sharply shaped claw portions 71a that are bent at substantially one end and project in a direction facing each other. Further, the other ends of the pair of arms 71 are bent at a substantially right angle in a direction away from each other to constitute a first drive mechanism 73.

  The first drive mechanism 73 includes a piston part 73A connected to the other ends of the pair of arms 71, and a hollow cylinder part 73B that accommodates the piston part 73A so as to be able to reciprocate while closely contacting the inner wall. .

  The first drive mechanism 73 can reciprocate the piston portion 73A in the width direction of the opening 10a in the cylinder portion 73B by air pressure, hydraulic pressure, water pressure, or the like by the operation of a cylinder control portion (not shown). It is like that. When the piston portion 73A reciprocates within the cylinder portion 73B, the claw portions 71a of the pair of arms 71 are moved in directions toward or away from each other.

  The second drive mechanism 77 includes a gear 77A that meshes with the gear 25 of the rotation drive unit 21, and a flat rack portion 77B that extends from the cylinder portion 73B of the first drive mechanism 73 and has a plurality of teeth that mesh with the gear 77A. ing. The second drive mechanism 77 can convert the rotational motion of the pair of drive shafts 23 rotated by the operation of the rotary drive unit 21 into linear movement by the gear 77A and the rack portion 77B. When the rotational movement of the drive shaft 23 is converted into linear movement by the gear 77A and the rack part 77B, the pair of arms 71 move so as to be taken in and out of the housing 10 through the opening 10a. . Reference numeral 73 </ b> C is a guide for restricting the movement of the arm 71 so that the arm 71 moves in the vertical direction when the pair of arms 71 is moved in and out of the opening 10 a. .

  According to the fat dissolving apparatus 100 according to the present embodiment configured as described above, the opening 10a is formed in the fat tissue in a state where the claw portions 71a of the pair of arms 71 are arranged outside the housing 10 by the second drive mechanism 77. The nail | claw part 71a can be hooked on the fat tissue A by pressing to A and moving the pair of arms 71 in the direction in which the first drive mechanism 73 approaches.

  Then, by retracting the pair of arms 71 into the housing 10 by the second drive mechanism 77, the adipose tissue A caught on the claw portion 71 a can be drawn into the housing 10. As a result, the fat tissue A is gripped and pulled into the housing 10 by the pair of arms 71, and the ultrasound is applied to the fat tissue A in a state where the housing 10 and the fat tissue A are more reliably positioned. it can.

[Third Embodiment]
Next, a fat dissolving apparatus 300 according to a third embodiment of the present invention will be described with reference to FIGS. 14 (a), 14 (b) and FIG.
The fat dissolving apparatus 300 according to the present embodiment is different from the first embodiment in that the fat dissolving apparatus 300 includes a suction tube 81 that sucks the fat tissue A and draws it into the housing 10 instead of the pair of rollers 15 as a pull-in portion. .
In the following, portions having the same configuration as those of the fat dissolving apparatus 100 according to the first embodiment are denoted by the same reference numerals and description thereof is omitted.

  The suction tube 81 is provided along the longitudinal direction of the housing 10 and has a suction port 81a that is disposed in the vicinity of the opening 10a and can suck the fatty tissue A. When the adipose tissue A is dissolved by the ultrasonic element 27, the suction tube 81 can be sucked and removed together with the liquid in the storage space 11 in which the dissolved adipose tissue A is dissolved.

  According to the fat dissolving apparatus 100 according to the present embodiment, the adipose tissue A is sucked into the casing 10 by the suction port 81 by sucking the fat tissue A through the suction port 81a while the opening 10a is pressed against the fat tissue A. It can be held in a state of being pulled in. Further, by removing the dissolved adipose tissue A by suction with the suction tube 81, it is possible to prevent the adipose tissue A from being disturbed when dissolving the adipose tissue A in other regions of the living body.

[Fourth Embodiment]
Next, a fat dissolving apparatus 400 according to a fourth embodiment of the present invention will be described with reference to FIGS. 16 (a), (b) and FIG.
The fat dissolving apparatus 400 according to the present embodiment is a first embodiment in that it includes a heater 91 that contacts the fat tissue A and heats the fat tissue A by heat transfer instead of the ultrasonic element 27 as a dissolving portion. Different from the third to third embodiments.
In the following, portions having the same configuration as those of the fat dissolving apparatuses 100, 200, and 300 according to the first to third embodiments are denoted by the same reference numerals and description thereof is omitted.

  The heater 91 has, for example, a cylindrical shape, and is disposed along the radial direction of the housing 10 between the pair of rollers 15 inside the opening 10a. Further, as shown in FIG. 16A, the heater 91 has a thickness slightly smaller than the gap dimension between the pair of rollers 15, and the fatty tissue A drawn into the housing 10 by the pair of rollers 15. It is provided so as to be able to contact the end face and the side wall of the tip portion. A wiring 93 for applying a drive signal from a heating device (not shown) is connected to the heater 91 so that heat can be transmitted to the adipose tissue A in contact with the distal end portion.

  According to the fat dissolving apparatus 100 according to the present embodiment, the fat tissue A can be heated by transferring the heat of the heater 91 to the fat tissue A. In addition, compared to the size of the sound focusing point (heating portion) of the ultrasonic element 27 configured in the first to third embodiments, the size (fat) of the heating portion at the tip portion of the heater 91 Since the area contacting the tissue A) is larger, a wide range of the fat tissue A can be dissolved at a time.

In this modification, for example, as shown in FIGS. 18A, 18B, and 19, the heater (needle-like member) 91 may have a sharp tip 91a at the tip. Good.
By doing in this way, the pointed end portion 91 a of the heater (needle-like member) 91 can bite into the adipose tissue A drawn into the housing 10 by the pair of rollers 15. When the adipose tissue A is covered with a film, the tip 91a of the heater 91 can pierce and break the film, thereby facilitating dissolution of the adipose tissue A.

The fat dissolving apparatus 100, 200, 300, 400 according to each of the above embodiments is a fat together with an endoscope apparatus (not shown) having an observation optical system (not shown) constituted by a plurality of lenses (not shown). A dissolution processing system (not shown) may be configured.
By doing in this way, the fat tissue A can be dissolved by the fat dissolving apparatus 100, 200, 300, 400 while observing the fat tissue A of the affected part to be treated with the endoscope apparatus with the observation optical system. .

  As mentioned above, although embodiment of this invention was explained in full detail with reference to drawings, the specific structure is not restricted to this embodiment, The design change etc. of the range which does not deviate from the summary of this invention are included. For example, the present invention is not limited to those applied to the above-described embodiments and modifications, but may be applied to embodiments in which these embodiments and modifications are appropriately combined, and is not particularly limited. Absent. For example, the fat dissolving apparatuses 200 and 300 according to the second and third embodiments may include the balloon 51, and the fat dissolving apparatuses 200, 300, and 400 according to the second to fourth embodiments. It is good also as providing the suction part 61. FIG.

Moreover, in the said embodiment, although the suction part 61 and the heater 91 were illustrated and demonstrated as a needle-like member, the needle-like member (not shown) which has a pointed part separately from these suction parts 61 and the heater 91 is demonstrated. May be disposed in the vicinity of the opening 10a.
Moreover, in the said embodiment, the fat dissolving apparatus 100,200,300,400 is provided with the observation optical system (illustration omitted) comprised by a some lens (illustration omitted) etc., and the adipose tissue A by the observation optical system. You may be able to observe. In this way, the adipose tissue A can be dissolved while observing the affected adipose tissue A to be treated with the observation optical system.

A Adipose tissue 10 Case 10a Opening 11 Reservation space 15 Roller (retraction part, rotating body)
27 Ultrasonic element (dissolving part)
33 Sensor 51 Balloon (Propagation member holding part)
61 Suction part (suction part, needle-like member)
61a, 91a Pointed portion 71 Arm 71a Claw portion 73 First drive mechanism 77 Second drive mechanism 81 Suction tube (retraction portion, suction tube)
81a Suction port 91 Heater (dissolving part, needle-shaped member)
100, 200, 300, 400 Fat dissolving apparatus

Claims (14)

A housing having an opening inserted into the living body and pressed against the adipose tissue;
A lead-in portion for drawing the fatty tissue from the opening into the housing;
A fat dissolving apparatus comprising: a dissolving unit that dissolves the adipose tissue drawn by the drawing unit in the housing.   The fat dissolving apparatus according to claim 1, wherein the dissolving portion is an ultrasonic element that heats the fat tissue drawn into the housing in a non-contact manner.   3. The housing has a storage space in which the propagation member can be stored so that the propagation member is filled between the adipose tissue drawn into the housing by the drawing portion and the ultrasonic element. The fat dissolving apparatus described in 1.   4. A propagation member holding portion provided in the storage space, holding a propagation member filled in the storage space, and capable of contacting the fatty tissue drawn into the housing by the drawing portion. The fat dissolving apparatus as described.   The fat dissolving apparatus according to claim 1, wherein the dissolving portion is a heater provided so that the fat tissue drawn into the housing can come into contact therewith.   The said drawing-in part is provided with the rotary body which can be rotated in the mutually opposite direction around the axis line arrange | positioned at predetermined intervals in the width direction of this opening part in the vicinity of the said opening part. A fat dissolving apparatus according to claim 1.   The fat dissolving apparatus according to claim 6, further comprising a heating unit that heats the rotating body.   The pull-in portion is disposed at a predetermined interval in the width direction of the opening, and has a pair of arms having claw portions projecting in a direction facing each other, and a direction in which the pair of arms approaches or separates from each other. 6. The fat dissolving apparatus according to claim 1, further comprising: a first driving mechanism that moves the second driving mechanism that moves a claw portion of the pair of arms into and out of the housing from the opening. apparatus.   The fat dissolving apparatus according to any one of claims 1 to 5, wherein the drawing-in portion includes a suction tube that is disposed in the vicinity of the opening and has a suction port capable of sucking the fat tissue.   The fat dissolving apparatus according to any one of claims 1 to 9, further comprising a suction part that sucks the fat tissue dissolved by the dissolving part.   The fat dissolving apparatus according to any one of claims 1 to 10, further comprising a needle-like member having a sharp tip provided so that the fatty tissue drawn by the drawing portion can come into contact with the fat tissue.   The fat according to any one of claims 1 to 11, further comprising: a sensor that detects a pull-in amount of the adipose tissue; and a control unit that controls driving of the pull-in unit according to the pull-in amount detected by the sensor. Melting device.   The fat dissolving apparatus of Claim 1 provided with the observation optical system which observes the said fat tissue. An endoscope apparatus comprising an observation optical system for observing the adipose tissue;
A fat dissolving treatment system comprising the fat dissolving apparatus according to claim 1.

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