TREATMENT DEVICE AND TREATMENT SYSTEM

• US 20160135835A1
• Filed: 01/21/2016
• Published: 05/19/2016
• Est. Priority Date: 09/27/2013
• Status: Abandoned Application

• Current Assignee: Olympus Corporation
• Original Assignee: Olympus Corporation
• Inventors: Onuma, Chie
• Application Number:
  US15/003,673
• Publication Number:
  US 20160135835A1
• Time in Patent Office: Days
• US Class Current: 1/1
• CPC Class Codes: A61B 1/32 Devices for opening or enlarging the visual field, e.g. of a tube of the body dilators A61M29/00
• CPC Class Codes: A61B 17/025 Joint distractors
• CPC Class Codes: A61B 17/16 Bone cutting, breaking or removal means other than saws, e.g. Osteoclasts; Drills or chisels for bones; Trepans arthroscopic bone cutters A61B17/320016; dental implant drills potentially for other surgical use A61C8/0089; bone grinders A61F2/4644, A22C17/06; A61B17/1662 takes precedence over all other subgroups except A61B17/17
• CPC Class Codes: A61B 17/1604 Chisels; Rongeurs; Punches; Stamps
• CPC Class Codes: A61B 17/1613 Component parts
• CPC Class Codes: A61B 17/1628 Motors; Power supplies
• CPC Class Codes: A61B 17/1633 Sleeves, i.e. non-rotating parts surrounding the bit shaft, e.g. the sleeve forming a single unit with the bit shaft A61B17/1644 takes precedence
• CPC Class Codes: A61B 17/1657 Bone breaking devices
• CPC Class Codes: A61B 17/1659 Surgical rasps, files, planes, or scrapers
• CPC Class Codes: A61B 17/17 Guides or aligning means for drills , mills, pins or wires
• CPC Class Codes: A61B 17/1732 for bone breaking devices
• CPC Class Codes: A61B 17/1735 for rasps or chisels
• CPC Class Codes: A61B 17/22 Implements for squeezing-off ulcers or the like on the inside of inner organs of the body; Implements for scraping-out cavities of body organs, e.g. bones; Calculus removers; Calculus smashing apparatus; Apparatus for removing obstructions in blood vessels, not otherwise provided for dilators A61M29/00
• CPC Class Codes: A61B 17/22004 using mechanical vibrations, e.g. ultrasonic shock waves A61B17/225 takes precedence
• CPC Class Codes: A61B 17/32 Surgical cutting instruments A61B18/042 takes precedence; suture cutters A61B17/0467; instruments for ligaturing or cutting A61B17/128; instruments for rupturing the amniotic membrane A61B17/4208; specially adapted knives for eye surgery A61F9/0133
• CPC Class Codes: A61B 17/320068 using mechanical vibrations, e.g. ultrasonic A61B17/22012 takes precedence; dental tooth drilling devices operated by vibration A61C3/03; removing intra-ocular material using mechanical vibrations A61F9/00745
• CPC Class Codes: A61B 2017/00371 Multiple actuation, e.g. pushing of two buttons, or two working tips becoming operational
• CPC Class Codes: A61B 2017/00384 Actuation of one tool by pushing two buttons simultaneously
• CPC Class Codes: A61B 2017/00393 with means for switching between functions
• CPC Class Codes: A61B 2017/00398 using powered actuators, e.g. stepper motors, solenoids
• CPC Class Codes: A61B 2017/0256 : for the spine
• CPC Class Codes: A61B 2017/0268 : for the knee
• CPC Class Codes: A61B 2017/0275 : for the hip
• CPC Class Codes: A61B 2017/22005 : Effects, e.g. on tissue
• CPC Class Codes: A61B 2017/22011 : Combined types of vibration, e.g. ultrasonic and electrohydraulic
• CPC Class Codes: A61B 2017/2929 : with a head rotatable about the longitudinal axis of the shaft
• CPC Class Codes: A61B 2017/2948 : Sealing means, e.g. for sealing the interior from fluid entry
• CPC Class Codes: A61B 2017/320028 : with reciprocating movements
• CPC Class Codes: A61B 2017/320052 : Guides for cutting instruments
• CPC Class Codes: A61B 2017/320071 : with articulating means for working tip
• CPC Class Codes: A61B 2017/320072 : Working tips with special features, e.g. extending parts
• CPC Class Codes: A61B 2017/320074 : blade
• CPC Class Codes: A61B 2017/320075 : single edge blade, e.g. for cutting
• CPC Class Codes: A61B 2017/320088 : with acoustic insulation, e.g. elements for damping vibrations between horn and surrounding sheath
• CPC Class Codes: A61B 2017/320089 : node location
• CPC Class Codes: A61B 2017/348 : Means for supporting the trocar against the body or retaining the trocar inside the body
• CPC Class Codes: A61B 2017/3482 : inside
• CPC Class Codes: A61B 2017/3484 : Anchoring means, e.g. spreading-out umbrella-like structure
• CPC Class Codes: A61B 2017/3486 : Balloon
• CPC Class Codes: A61B 90/361 : Image-producing devices, e.g. surgical cameras
• CPC Class Codes: A61B 90/37 : Surgical systems with images on a monitor during operation
• CPC Class Codes: A61C 1/07 : with vibratory drive, e.g. ultrasonic
• CPC Class Codes: A61M 29/00 : Dilators with or without means for introducing media, e.g. remedies instruments for performing visual medical inspections of cavities or tubes of the body A61B1/00

Abstract

A treatment device for use in treating a biological tissue, includes: a holding portion, an ultrasonic transducer unit, a probe, an inner sheath, a first sealing member, an outer sheath that covers an outer peripheral surface of the inner sheath, a second sealing member, and an actuator that moves the ultrasonic transducer unit, the probe and the inner sheath integrally to the outer sheath along the longitudinal axis.

Claims

1. A treatment device for use in treating a biological tissue, comprising:

a holding portion to be held by a user;

an ultrasonic transducer unit that generates an ultrasonic vibration in accordance with a supply of a power;

a probe which defines a longitudinal axis, is configured to transmit the ultrasonic vibration generated by the ultrasonic transducer unit, and has a treatment portion configured to treat the biological tissue by an action of the ultrasonic vibration transmitted to a distal end portion of the probe;

an inner sheath that covers an outer peripheral surface of the probe;

a first sealing member that is interposed between an inner peripheral surface of the inner sheath and the outer peripheral surface of the probe, and comes in contact closely with the inner peripheral surface of the inner sheath and the outer peripheral surface of the probe to prevent penetration of a liquid;

an outer sheath that covers an outer peripheral surface of the inner sheath;

a second sealing member that is interposed between the outer peripheral surface of the inner sheath and an inner peripheral surface of the outer sheath, and comes in contact closely with the outer peripheral surface of the inner sheath and the inner peripheral surface of the outer sheath to prevent the penetration of the liquid; and

an actuator that moves the ultrasonic transducer unit, the probe and the inner sheath integrally to the outer sheath along the longitudinal axis.

2. The treatment device according to claim 1, wherein the actuator moves the ultrasonic transducer unit, the probe and the inner sheath integrally to the outer sheath along the longitudinal axis at a stroke larger than an amplitude of the ultrasonic vibration to be transmitted to the treatment portion of the probe.

3. The treatment device according to claim 1, wherein

a distal end of the inner sheath is positioned on a distal end side from a node position of the most distal end side of the ultrasonic vibration transmitted to the probe, and

the first sealing member is positioned at the node position of the most distal end side of the ultrasonic vibration transmitted to the probe.

4. The treatment device according to claim 1, wherein the second sealing member enables a positional shift of the second sealing member to the inner sheath while maintaining a close contact state with the outer peripheral surface of the inner sheath, and a positional shift of the second sealing member to the outer sheath is prevented.

5. The treatment device according to claim 1, wherein the second sealing member is disposed in the holding portion, and enables a positional shift of the second sealing member to the inner sheath while maintaining a close contact state with the outer peripheral surface of the inner sheath, and a positional shift of the second sealing member to the holding portion is prevented.

6. The treatment device according to claim 1, wherein the first sealing member is disposed at a position that becomes a node of the ultrasonic vibration, when the vibration generated by the ultrasonic transducer unit is transmitted to the probe.

7. The treatment device according to claim 1, wherein the second sealing member is present at a position on a proximal end side from the first sealing member along the longitudinal axis.

8. The treatment device according to claim 1, comprising a knob that rotates the ultrasonic transducer unit, the probe, the inner sheath, and the outer sheath to the holding portion in a periaxial direction of the longitudinal axis of the probe.

9. The treatment device according to claim 1, further comprising a cover that is interposed between the holding portion and the ultrasonic transducer unit, supports the ultrasonic transducer unit at a node position of the ultrasonic vibration, and is moved by the actuator to move the ultrasonic transducer unit and the probe along the longitudinal axis of the probe at the stroke larger than the amplitude of the ultrasonic vibration to be transmitted to the treatment portion of the probe.

10. The treatment device according to claim 9, wherein the outer sheath includes, at its distal end, an opening which is configured to change a projecting amount to the distal end when the ultrasonic transducer unit and the probe are moved along the longitudinal axis by the actuator.

11. The treatment device according to claim 9, wherein the outer sheath includes, in a side surface of its distal end portion, an opening through which the treatment portion of a distal end portion of the probe is exposed.

12. A treatment system comprising:

the treatment device according to claim 1;

a controller that controls the actuator; and

a switch portion that transmits a signal to the controller.

13. The treatment system according to claim 11, wherein

the switch portion includes:

a first switch that does not operate the actuator while the ultrasonic transducer unit generates the ultrasonic vibration; and

a second switch that operates the actuator while the ultrasonic transducer unit generates the ultrasonic vibration.

14. The treatment system according to claim 13, wherein the switch portion further includes a third switch that is able to operate the actuator while the ultrasonic transducer unit generates the ultrasonic vibration and that changes an operation amount of the actuator as compared with a case where the second switch is operated.

15. The treatment system according to claim 12, wherein the switch portion is disposed on an outer periphery of the holding portion to be rotatable to the holding portion in a periaxial direction of the longitudinal axis.