JP4166548B2 - Ultrasound diagnosis and medication system - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to an ultrasound diagnosis / medication system, and particularly to an ultrasound diagnosis / medication system in which an affected part in a body cavity is examined using an ultrasound probe and then a drug is administered based on the result of the examination.
[0002]
[Prior art]
Conventionally, when a drug is administered after examining an affected part in a body cavity, first, an ultrasonic probe for body cavity is inserted to the vicinity of the affected part in the body cavity to examine the affected part, and a drug suitable for the situation is selected. The method of selecting and administering this by internal use, injection or the like has been common.
FIGS. 5A and 5B show a first example of an intracorporeal ultrasound probe used for diagnosis of the affected part in the body cavity.
[0003]
As shown in FIG. 5A, the intracavity ultrasonic probe 300x includes a catheter part 310x inserted into the body cavity, an operation part 320x for performing an insertion operation and a diagnostic operation of the catheter part 310x, The configuration includes a cable 330x and a connector 340x that connect between the operation unit 320x and an ultrasonic diagnostic apparatus (not shown), and details of each unit are as follows.
[0004]
First, as shown in FIG. 5B, the catheter portion 310x is formed with a tubular catheter sheath 311x on the outermost periphery, and on the inner side thereof, a transducer 312x for transmitting and receiving ultrasonic waves to the distal end portion thereof, and this A holding portion 313x that holds and fixes the torque wire 314x that connects to the holding portion 313x and rotates the holding portion 313x and the vibrator 312x is arranged between this portion and the operation portion 320x.
[0005]
Further, the torque wire 314x is rotated at a rate of about 20 to 30 times per second by a motor (not shown) disposed in the operation unit 320x, and ultrasonic waves to the vibrator 312x are generated inside the torque wire 314x. And a signal line 315x for transmitting the received signal of the reflected ultrasonic wave is connected to the ultrasonic diagnostic apparatus main body via a slip ring (not shown), a cable 330x and a connector 340x.
[0006]
Based on the signal transmitted and received by the transducer 312x, a 360 ° cross-sectional image centered on the portion is displayed on the display unit of the ultrasonic diagnostic apparatus, and the portion can be examined (for example, Patent Document 1). reference).
[0007]
[Patent Document 1]
Japanese Patent Laid-Open No. 11-2226017 (FIGS. 1 and 2)
[0008]
Also, as shown in FIGS. 6A and 6B, there is a type (300y) with a guide wire 350y, and the guide wire 350y is inserted first when the catheter portion 310y is inserted into the body cavity. The catheter portion 310y is inserted into the body cavity by being guided by the guide wire 350y (see, for example, Patent Document 2).
[0009]
[Patent Document 2]
Japanese Unexamined Patent Publication No. 7-59776 (FIGS. 6A and 6B)
[0010]
A drug is selected based on the results of examination with these intracavitary ultrasonic probes 300x and 300y, and the drug is administered by internal use, injection, or the like.
[0011]
[Problems to be solved by the invention]
In the above-described conventional ultrasonic diagnosis / medication system, the catheter parts 310x and 310y of the intracavity ultrasonic probes 300x and 300y are inserted into the body cavity to examine the affected part, and then the drug is based on the result. In addition to the intracavitary examination, there is a burden of internal medicine, injection, etc., and pain, and the effect of the drug is reduced or delayed, There is a problem in that side effects and the like on parts other than the affected part appear.
[0012]
In view of the above-mentioned problems of the prior art, the object of the present invention is to eliminate the burden of internal medicine, injection, etc. on a patient, pain, improve and promote the medicinal effect on the affected area, and apply the drug to the part other than the affected area. The object is to provide an ultrasonic diagnosis / medication system capable of suppressing side effects.
[0013]
[Means for Solving the Problems]
The ultrasound diagnosis / medication system of the present invention is an ultrasound diagnosis / medication system that examines the inside of a body cavity using an ultrasound probe and administers a drug based on the result of the examination. The catheter part of the child rotates at the distal end thereof with the axial direction of the catheter as the rotation axis, and the direction of the transmitting / receiving surface is the same direction perpendicular to the rotation axis direction and the generated ultrasonic frequency and the vibration for promoting medicinal effect are different. The child is arranged adjacent to the direction of the rotation axis , and the catheter sheath is provided with a dosing channel that opens toward the transducer placement site, and the affected part in the body cavity is detected using the diagnostic vibrator. It is characterized by having a configuration in which a medicine is directly administered to the affected part in the body cavity through the medication channel, and the administered medicine is irradiated with ultrasonic waves from the medicinal effect promoting vibrator.
[0014]
The ultrasonic diagnosis / medication system is configured to obtain a cross-sectional image of a body cavity and its periphery based on the ultrasonic probe and a signal received by the diagnostic transducer when the ultrasonic probe is connected. An ultrasonic diagnostic apparatus main body for displaying, and the ultrasonic probe includes the following constituent members.
(A) A diagnostic vibrator and medicinal effect promoting vibrator arranged adjacent to the tip portion, a torque wire for rotating the diagnostic vibrator and medicinal effect promoting vibrator with respect to a set axis, and the diagnostic vibration A child, a medicinal effect promoting oscillator, and a torque wire are held and accommodated on the inside so as to be rotatable, and an outer peripheral portion thereof extends in the longitudinal direction toward the arrangement site of the diagnostic vibrator and medicinal effect promoting vibrator. A catheter sheath having a dosing channel that is open to the catheter, and (b) an operation unit that performs various operations including an operation of inserting the catheter unit into a body cavity (c) disposed adjacent to the operation unit. A drug injecting unit for injecting a drug into the medication channel of the catheter unit. (D) a cable and a connector for exchanging electrical signals with the ultrasonic diagnostic apparatus main body.
Further, the ultrasonic probe has a structure in which a plurality of dosing channels are formed in the catheter portion, and further includes a guide wire extending in the longitudinal direction in the catheter sheath of the catheter portion. Is done.
[0016]
The ultrasonic diagnostic apparatus main body displays a cross-sectional image of a body cavity and its peripheral portion based on a signal from a diagnostic transducer of the ultrasonic probe, and is displayed on the display the positional relationship between the guide wire affected area on the cross-sectional image, and the diagnostic efficacy promoting ultrasonic signal generator control unit for the generation of ultrasonic waves emitted from the medicinal promoting vibrator based on the rotation timing of the oscillator And comprising.
[0017]
Further, the ultrasonic diagnostic apparatus main body has a plurality of dosage channels based on a cross-sectional image displayed on a display when a plurality of dosage channels are formed in the catheter portion of the ultrasonic probe. It includes a dosing channel selection unit that selects a channel for actually administering a drug from among them, and has a configuration in which ultrasonic waves are generated according to the selected dosing channel.
[0018]
DETAILED DESCRIPTION OF THE INVENTION
One embodiment of the present invention is an ultrasonic diagnosis / medication system that examines the inside of a body cavity using an ultrasonic probe and administers a drug based on the result of the examination. The catheter portion has a diagnostic transducer and a medicinal effect promoting transducer at the distal end portion thereof that rotate with the axial direction of the catheter as a rotation axis and the direction of the transmission / reception surface is the same direction perpendicular to the rotation axis direction and different ultrasonic frequencies are generated. The catheter sheath is arranged adjacent to the direction of the rotation axis, and has a structure in which a dosing channel is provided that opens toward the transducer placement site, and the affected part in the body cavity is examined using the diagnostic transducer. The drug is directly administered to the affected area in the body cavity through the dosing channel, and the administered drug is irradiated with ultrasonic waves from the medicinal effect promoting transducer,
The ultrasonic probe, and an ultrasonic diagnostic apparatus main body that displays a cross-sectional image of the body cavity and its periphery based on a signal received by the diagnostic transducer connected to the ultrasonic probe, Specifically, the ultrasonic probe includes the following constituent members. That is,
(A) A diagnostic vibrator and medicinal effect promoting vibrator arranged adjacent to the tip portion, a torque wire for rotating the diagnostic vibrator and medicinal effect promoting vibrator with respect to a set axis, and the diagnostic vibration A child, a medicinal effect promoting oscillator, and a torque wire are held and accommodated inside so as to be rotatable, and an outer peripheral portion thereof extends in the longitudinal direction to face the arrangement site of the diagnostic vibrator and the medicinal effect promoting vibrator. (B) an operation unit for performing various operations including an operation for inserting the catheter unit into a body cavity; and (c) provided adjacent to the operation unit. A drug injection part for injecting a drug into a medication channel of the catheter part. (D) a cable and a connector for transmitting and receiving an electrical signal to and from the ultrasonic diagnostic apparatus body.
By adopting such a structure and structure, it is not necessary to administer or inject the medicine again after the examination of the affected area, and it is possible to eliminate the burden and pain on the patient, and at the same time, the drug can be administered directly to the affected area. It has the effect of improving the effectiveness of the drug and promoting the drug effect, and suppressing side effects to other than the affected part of the drug, and the drug's outer skin is destroyed by irradiating the drug with ultrasound. The Therefore, there is an effect that the medicinal effect can be further promoted.
[0020]
【Example】
Next, embodiments of the present invention will be described with reference to the drawings.
1 (a) to 1 (c) are perspective views of an entire body cavity ultrasonic probe with a dosing mechanism, an enlarged view of a distal end portion thereof, and a cross section of the distal end portion according to an embodiment of the present invention. A side view and FIG. 2 are block diagrams of the whole embodiment.
This embodiment is roughly divided into an intracavity ultrasonic probe 100 with a medication mechanism and an ultrasonic diagnostic apparatus main body 200 with a drug effect control function, the details of which are as follows.
[0021]
First, an intracorporeal ultrasound probe 100 with a medication mechanism is connected to a catheter section 110 that is inserted into a body cavity, an operation section 120 that performs an insertion operation into the body cavity, and the ultrasonic diagnostic apparatus main body 200. A cable 130 and a connector 140 for transmitting and receiving signals, a drug injection unit 150 for injecting a drug into a medication channel 115 disposed in the catheter unit 110, and a body cavity of the catheter unit 110 extending to the catheter unit 110 A guide wire 160 is provided to guide insertion into the device, and the details thereof are as follows.
[0022]
The configuration and structure of the catheter unit 110 is such that a diagnostic transducer 111 and a medicinal effect promoting transducer 112 having different ultrasonic frequencies are arranged at the distal end portion and held by the transducer holding unit 113. 111, 112) are rotated by a torque wire 114 with respect to a set axis at, for example, about 30 r.ps, and a signal line 117 arranged on the inner side is used to transmit and receive signals to the vibrator. A catheter sheath 116 that holds and accommodates the vibrators (111, 112) and the torque wire 114 so as to be rotatable inward is provided on the outer periphery of the catheter sheath 116. A plurality of (three in this embodiment) dosing channels 115 (115-1 to 115-3) are formed extending in the longitudinal direction and opening toward the placement site of the transducers (111, 112), and The guide wire 160 is similarly arranged in the longitudinal direction.
[0023]
In addition, the operation unit 120 includes a motor 121 that rotationally drives the torque wire 114, a slip ring 122 that relays the signal of the signal line 117 inside the rotating torque wire 114 to the core of the cable 130, Is provided.
[0024]
An injection port 151 (151 for injecting a drug from the drug injector 500 corresponding to each of the medication channels 115 (115-1 to 115-3) formed in the catheter sheath 116 adjacent to the operation unit 120. -1 to 151-3), the medicine injection part 150 is disposed.
[0025]
Next, the ultrasonic diagnostic apparatus main body 200 with medicinal effect control includes a connector 210 coupled to the connector 140 of the ultrasonic probe 100, a motor drive unit 220 for driving the motor 121 in the operation unit 120, and diagnostic vibration. A diagnostic ultrasonic generator 230 for generating and transmitting diagnostic ultrasonic wave generation signals to the child 111; and processing signals from the diagnostic transducer 111 and based on the signals in and around the body cavity A signal processing / display unit 240 including a display unit 241 for displaying a cross-sectional image of the display unit, and a channel to be actually administered is selected from a plurality of dosing channels 115-1 to 115-3 based on the cross-sectional image of the display unit 241. The timing at which the medication channel selected by the medication channel selection unit 250 and the medication channel selected by the medication channel selection unit 250 approach the affected area. And a medicinal effect promoting ultrasonic signal generating unit 260 that generates and transmits an ultrasonic wave generating signal to the medicinal effect promoting transducer 112 at that timing. .
[0026]
Next, the operation and the like of this embodiment will be described based on the insertion state of the catheter portion into the body cavity and the cross-sectional image near the affected portion shown in FIGS.
First, the catheter portion 110 is guided into the body cavity 700 by being guided by the guide wire 160, and the distal end portion of the catheter portion 110 is located near the affected area 750 by an image displayed on the display 241 based on a signal from the diagnostic transducer 111. It reaches (see FIG. 3A), and the cross-sectional image of the portion is displayed on the display 241.
[0027]
When the diagnostic transducer 111 is placed at the center of the cross-sectional image, the wall surface of the body cavity 700 is displayed around the cross-sectional image, and the affected part 750 that is raised from the wall surface is displayed. Further, the guide wire 160 extending to the catheter unit 110 is displayed in a dot shape corresponding to the diagnostic transducer 111 (see FIG. 3B).
[0028]
Therefore, the medication channel 115 close to the affected area 750 is selected from the display position of the diagnostic transducer 111 and the guide wire 160 and the display position of the affected area 750, and the drug injecting section 150 is selected for the selected medication channel. The drug 600 is injected from the injection port 151, and the drug 600 is administered to the affected part 750 through the opening. And the ultrasonic wave is emitted from this vibrator | oscillator (112) at the timing when the ultrasonic emission surface of the medicinal effect promotion vibrator | oscillator 112 faces the affected part 750 direction, the outer skin of the chemical | medical agent 600, etc. are destroyed, and the component of the chemical | medical agent 600 is changed. It acts on the affected area 750 effectively (see FIG. 3C).
[0029]
In this embodiment, the affected part 750 is imaged and examined, and the medicine 600 is immediately administered to the affected part 750 by the catheter part 110 based on the result of the examination. It is possible to eliminate the burden and pain of troublesome internal use and injection of the drug to the patient, and the drug 600 is directly administered to the affected area 750, thereby enhancing the utility of the drug 600, The medicinal effect can be promoted, side effects due to the drug other than the affected area can be suppressed, and since the administered drug 600 is irradiated with ultrasonic waves, the outer skin of the drug 600 is destroyed by the ultrasonic waves. Can be further promoted.
[0030]
In this embodiment, the number of the dosing channels 115 of the catheter unit 110 is three, but the present invention is not limited to this, and the drug is administered to a site close to the affected part, and the drug smoothly passes through the dosing channel. And the number should just determine so that the catheter part 110 may be smoothly inserted in a body cavity.
[0031]
The guide wire 160 is necessary for facilitating the introduction of the catheter unit 110 into the body cavity, and is effective for selecting a dosing channel and determining the direction of ultrasonic irradiation for promoting the drug effect. The guide wire 160 may be always fixedly displayed on the upper portion of the display 241. In this case, the positional relationship between the vibrator (111) and the guide wire 160 need not be confirmed by an image. .
[0032]
In this embodiment, the drug injection section 150 is configured to inject the drug 600 directly from the injection port 151 directly connected to each dosing channel 115 by the drug injector 500. However, as shown in FIG. An extension tube 152 (152-1 to 152-3) correspondingly connected to 115-1 to 115-3 may be provided, and the medicine may be injected from the end of the extension tube 152.
In this case, if the three-way constriction plug 153 (1533-1 to 153-3) is disposed at the end of the extension tube 152, it becomes easy to administer the medicine.
[0033]
【The invention's effect】
As described above, according to the present invention, a diagnostic transducer and a medicinal effect promoting transducer having different frequencies are disposed adjacent to the distal end portion of the catheter portion of the ultrasonic probe, and these transducers are disposed in the catheter sheath. A medication channel that opens toward the placement site is provided, the affected part in the body cavity is examined using a diagnostic vibrator, the drug is directly administered to the affected part in the body cavity through the medication channel, and the drug effect is applied to the administered drug. After diagnosing the affected area by configuring the structure and structure to irradiate ultrasound from the stimulating transducer, the drug is administered directly to the affected area based on the results of this examination. This eliminates the need to re-administer or inject drugs, eliminates the burden and pain on the patient, and at the same time increases the drug efficacy and promotes drug efficacy because the drug administration is direct to the affected area. In addition to being able to reduce the side effects caused by the drug outside the affected area, and because the administered drug is irradiated with ultrasonic waves, the outer skin of the drug is destroyed and the drug effect can be further promoted. There is an effect that can be done.
[Brief description of the drawings]
FIG. 1 is an overall perspective view of an ultrasonic probe portion for body cavity, and an enlarged view and a sectional view of a distal end portion of a catheter portion, according to an embodiment of the present invention.
FIG. 2 is an overall block diagram of an embodiment of the present invention.
3 is a view showing a cross-sectional image of the catheter portion inserted into a body cavity and the vicinity of the affected portion in the embodiment shown in FIGS. 1 and 2. FIG.
4 is a perspective view showing another example of the medicine injection part of the ultrasonic probe for body cavity in the embodiment shown in FIGS. 1 to 3; FIG.
FIG. 5 is an overall perspective view of a body cavity ultrasonic probe portion and a cross-sectional view of a distal end portion of a catheter portion in a first example of a conventional ultrasonic diagnosis / medication system.
FIG. 6 is a perspective view and a cross-sectional view of a distal end portion of an ultrasonic probe for body cavity in a second example of a conventional ultrasonic diagnosis / medication system.
[Explanation of symbols]
100,100a Ultrasonic probe for body cavity (with medication mechanism)
DESCRIPTION OF SYMBOLS 110 Catheter part 111 Diagnosis vibrator | oscillator 112 Medicinal effect promotion vibrator | oscillator 113 Vibrator holding | maintenance part 114 Torque wire 115,115-1-115-3 Dosing channel 116 Catheter sheath 117 Signal line 120 Operation part 121 Motor 122 Slip ring 130 Cable 140 Connector 150, 150a Drug injection part 151, 151-1 to 151-3 Inlet 152, 152-1 to 152-3 Extension tube 153, 153-1 to 153-3 Three-way plug 160 Guide wire 200 Ultrasonic diagnostic apparatus main body ( With medicinal effect control function)
210 Connector 220 Motor Drive Unit 230 Diagnostic Ultrasound Signal Generation Unit 240 Signal Processing / Display Unit 241 Display 250 Medication Channel Selection Unit 260 Medicinal Effect Promotion Ultrasound Signal Generation Unit 300x Body Cavity Ultrasonic Probes 310x, 310y Catheter 311x, 311y Catheter sheath 312x, 312y Transducer 313x, 313y Holding part 314x Torque wire 315x Signal line 320x Operation part 330x Cable 340x Connector 350y Guide wire

Claims (6)

An ultrasonic diagnosis / medication system that examines the inside of a body cavity using an ultrasonic probe and administers a drug based on the result of the examination, wherein the catheter portion of the ultrasonic probe A diagnostic transducer and a medicinal effect promoting transducer, which rotate with the axial direction of the catheter as the rotational axis and the direction of the transmission / reception surface is orthogonal to the rotational axis direction and have different generated ultrasonic frequencies, are arranged adjacent to each other in the rotational axis direction. The catheter sheath has a structure in which a medication channel that opens toward the transducer placement site is provided, and the affected part in the body cavity is examined using the diagnostic transducer, and through the medication channel, An ultrasonic diagnosis / medication system characterized by having a configuration in which a drug is directly administered to an affected area of the patient and an ultrasonic wave is irradiated to the administered drug from the medicinal effect promoting transducer. The ultrasonic probe, and an ultrasonic diagnostic apparatus main body that displays a cross-sectional image of the body cavity and its periphery based on a signal received by the diagnostic transducer connected to the ultrasonic probe, The ultrasonic diagnosis / medication system according to claim 1, wherein the ultrasonic probe includes the following components.
(A) A diagnostic vibrator and medicinal effect promoting vibrator arranged adjacent to the tip portion, a torque wire for rotating the diagnostic vibrator and medicinal effect promoting vibrator with respect to a set axis, and the diagnostic vibration A child, a medicinal effect promoting oscillator, and a torque wire are held and accommodated on the inside so as to be rotatable, and an outer peripheral portion thereof extends in the longitudinal direction toward the arrangement site of the diagnostic vibrator and the medicinal effect promoting vibrator. A catheter sheath formed with a medication channel that is open to the body, and (b) an operation unit that performs various operations including an operation of inserting the catheter unit into a body cavity. (C) is disposed adjacent to the operation unit. A drug injection part for injecting a drug into a medication channel of the catheter part. (D) a cable and a connector for transmitting and receiving electrical signals to and from the ultrasonic diagnostic apparatus body.   The ultrasonic diagnostic / medication system according to claim 2, wherein the ultrasonic probe has a structure in which a plurality of medication channels are formed in a catheter portion thereof.   The ultrasonic diagnostic / medicine system according to claim 2 or 3, wherein the ultrasonic probe includes a guide wire extending in a longitudinal direction of the catheter sheath of the catheter portion. The ultrasonic diagnostic apparatus main body includes a display that displays a cross-sectional image of a body cavity and its peripheral portion based on a signal from a diagnostic transducer of the ultrasonic probe, and a cross-sectional image displayed on the display a guide wire positional relationship between the affected area, and the diagnostic efficacy promoting ultrasonic signal generator control unit for the generation of ultrasonic waves emitted from the medicinal promoting vibrator based on the rotation timing of the transducers of the upper, The ultrasonic diagnosis / medication system according to any one of claims 2 to 4, further comprising: The ultrasonic diagnostic apparatus main body includes a plurality of dosage channels based on a cross-sectional image displayed on a display unit when a plurality of dosage channels are formed in the catheter portion of the ultrasonic probe. The ultrasonic diagnosis / constitution according to claim 5, further comprising a dosing channel selection unit for selecting a channel for actually administering a drug, and generating ultrasound according to the selected dosing channel. Dosing system.

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