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OLYMPUS CORP

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“Surgical Treatment Instrument” in Patent Application Approval Process (USPTO 20190223941): Olympus Corporation

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08/14/2019 | 05:45pm EDT

2019 AUG 14 (NewsRx) -- By a News Reporter-Staff News Editor at Technology Business Daily -- A patent application by the inventors KITAMURA, Ojiro (Hachioji-shi, Japan); TAKEI, Yusuke (Hino-shi, Japan); KAWAGUCHI, Yuki (Koshu-shi, Japan), filed on April 5, 2019, was made available online on July 25, 2019, according to news reporting originating from Washington, D.C., by NewsRx correspondents.

This patent application is assigned to Olympus Corporation (Tokyo, Japan).

The following quote was obtained by the news editors from the background information supplied by the inventors: “Exemplary embodiments relate to a surgical treatment instrument in which an end effector for treating a treatment target bends with respect to a shaft.

“Surgical instruments including an end effector that is rotatable and bendable can be difficult to use. For example, in U.S. Patent Application Publication No. 2015/0066022, the bending operation dial rotates independently of the rotation operation knob (shaft), so that when the rotation operation knob is rotated about the longitudinal axis, the bending operation dial does not rotate together with the shaft or the end effector. Hence, the relative relationship between the bending direction of the end effector and the operational direction (rotational direction) set by the bending operation dial changes as the angular position of the end effector about the longitudinal axis is changed in response to an operation input performed through the rotation operation knob.”

In addition to the background information obtained for this patent application, NewsRx journalists also obtained the inventors’ summary information for this patent application: “According to an exemplary embodiment, a surgical treatment instrument includes an elongated member that extends along a longitudinal axis from a proximal side to a distal side, a housing, a distal side of which is connected with the elongated member, an end effector attached to the distal side of the elongated member, and configured to: bend with respect to the elongated member, and rotate together with the elongated member about the longitudinal axis with respect to the housing, a rotation operator configured to be operated to rotate the elongated member and the end effector about the longitudinal axis with respect to the housing, a bending operator attached to the housing, and configured to be operated to bend the end effector with respect to the elongated member, a rotor provided inside the housing and configured to rotate about a rotation axis in response to operation of the bending operator, and a transmitter connected to the rotor and the end effector, and configured to transmit a driving force to the end effector to cause the end effector to bend when the rotor rotates about the rotation axis in response to operation of the bending operator, wherein the bending operator, the rotor, and the transmitter are configured to rotate about the longitudinal axis with respect to the housing together with the elongated member and the end effector in response to operation of the rotation operator.

“Advantages will be set forth in the description which follows, and in part will be apparent from the description, or may be learned by practice of exemplary embodiments. The advantages may be realized and obtained by means of the instrumentalities and combinations particularly pointed out hereinafter.”

The claims supplied by the inventors are:

“1. A surgical treatment instrument comprising: an elongated member that extends along a longitudinal axis from a proximal side to a distal side; a housing, a distal side of which is connected with the elongated member; an end effector attached to the distal side of the elongated member, and configured to: bend with respect to the elongated member, and rotate together with the elongated member about the longitudinal axis with respect to the housing; a rotation operator configured to be operated to rotate the elongated member and the end effector about the longitudinal axis with respect to the housing; a bending operator attached to the housing, and configured to be operated to bend the end effector with respect to the elongated member; a rotor provided inside the housing and configured to rotate about a rotation axis parallel to the longitudinal axis in response to operation of the bending operator; and a transmitter connected to the rotor and the end effector, and configured to transmit a driving force to the end effector to bend the end effector when the rotor rotates about the rotation axis in response to operation of the bending operator, wherein the bending operator, the rotor, and the transmitter are configured to rotate about the longitudinal axis with respect to the housing together with the elongated member and the end effector in response to operation of the rotation operator.

“2. The surgical treatment instrument according to claim 1, wherein the instrument is configured to convert rotational motion of the rotor into a rectilinear motion of the transmitter.

“3. The surgical treatment instrument according to claim 1, wherein the rotation axis is coaxial with the longitudinal axis.

“4. The surgical treatment instrument according to claim 1, further comprising: a base disposed inside the housing, the base being configured to rotate about the longitudinal axis with respect to the housing together with the elongated member and the bending operator in response to operation of the rotation operator, the rotor being attached to the base such that movement of the rotor in a direction along the rotation axis is restricted; and a connecter which is: (i) attached to the rotor, (ii) connected with the transmitter, and (iii) configured to move in a direction along the rotation axis with respect to the base and the rotor when the rotor rotates about the rotation axis with respect to the base, wherein the transmitter is configured to move in a direction along the longitudinal axis when the connecter moves along the rotation axis with respect to the base and the rotor.

“5. The surgical treatment instrument according to claim 4, wherein: the rotor comprises: a first screw; and a second screw having a winding direction opposite to that of the first screw; the connecter comprises: a first connecter connected with the transmitter and screwed to the first screw, and a second connecter connected with the transmitter and screwed to the second screw; and the first connecter and the second connecter are configured to move in opposite directions along the rotation axis when the rotor rotates about the rotation axis with respect to the base.

“6. The surgical treatment instrument according to claim 4, wherein: the rotor comprises: a first rotor that comprises a first rotor screw and is configured to rotate about a first rotation axis in response to operation of the bending operator; and a second rotor that comprises a second rotor screw and is configured to rotate about a second rotation axis in response to operation of the bending operator; the connecter comprises: a first connecter which is: (i) connected with the transmitter, (ii) screwed to the first rotor screw, and (iii) configured to move along the first rotation axis with respect to the base and the first rotor when the first rotor rotates about the first rotation axis with respect to the base; and a second connecter which is: (i) connected with the transmitter, (ii) screwed to the second rotor screw, and (iii) configured to move along the second rotation axis with respect to the base and the second rotor when the second rotor rotates about the second rotation axis with respect to the base.

“7. The surgical treatment instrument according to claim 1, further comprising: a base disposed inside the housing, the base being configured to rotate about the longitudinal axis with respect to the housing together with the elongated member and the bending operator in response to operation of the rotation operator; and a connecter attached to the base such that movement of the connecter in a direction along the rotation axis is restricted, wherein: the rotor is connected with the transmitter, and is configured to rotate about the rotation axis with respect to the base and the connecter to thereby move in a direction along the rotation axis with respect to the base; and the transmitter is configured to move in a direction along the longitudinal axis when the rotor moves along the rotation axis with respect to the base and the connecter.

“8. The surgical treatment instrument according to claim 7, wherein: the rotor comprises: a first screw connected with the transmitter; and a second screw connected with the transmitter, the second screw having a winding direction opposite to that of the first screw; the connecter comprises: a first connecter screwed to the first screw; and a second connecter screwed to the second screw; and the first screw and the second screw are configured to move in opposite directions along the rotation axis when the rotor rotates about the rotation axis with respect to the base and the connecter.

“9. The surgical treatment instrument according to claim 7, wherein: the rotor comprises: a first rotor configured to rotate about a first rotation axis in response to operation of the bending operator, the first rotor comprising a first rotor screw connected with the transmitter; a second rotor configured to rotate about a second rotation axis in response to operation of the bending operator, the second rotor comprising a second rotor screw connected with the transmitter; the connecter comprises: a first connecter screwed to the first rotor screw, and a second connecter screwed to the second rotor screw; the first rotor is configured to rotate about the first rotation axis with respect to the base, and thereby move in a direction along the first rotation axis with respect to the base and the first connecter; and the second rotor is configured to rotate about the second rotation axis with respect to the base, and thereby move in a direction along the second rotation axis with respect to the base and the second connecter.

“10. The surgical treatment instrument according to claim 1, wherein regardless of an angular position of the bending operator about the longitudinal axis, an operational direction set by the bending operator is parallel to a bending direction of the end effector with respect to the elongated member.

“11. The surgical treatment instrument according to claim 10, wherein the bending operator is configured to be rotatably operated about a central axis with respect to the housing, the central axis intersecting the longitudinal axis, and being parallel to a bending axis of the end effector.

“12. A surgical treatment instrument comprising: an elongated member that extends along a longitudinal axis from a proximal side to a distal side; a housing, a distal side of which is connected with the elongated member; an end effector attached to the distal side of the elongated member, and configured to: bend with respect to the elongated member, and rotate together with the elongated member about the longitudinal axis with respect to the housing; a rotation operator configured to be operated to rotate the elongated member and the end effector about the longitudinal axis with respect to the housing; a bending operator attached to the housing, and configured to be operated to bend the end effector with respect to the elongated member; a rotor provided inside the housing and configured to rotate about a rotation axis in response to operation of the bending operator; a transmitter connected to the rotor and the end effector, and configured to transmit a driving force to the end effector to bend the end effector when the rotor rotates about the rotation axis in response to operation of the bending operator; a base disposed inside the housing, the base being configured to rotate about the longitudinal axis with respect to the housing together with the elongated member and the bending operator in response to operation of the rotation operator, the rotor being attached to the base such that movement of the rotor in a direction along the rotation axis is restricted; and a connecter which is: (i) attached to the rotor, (ii) connected with the transmitter, and (iii) configured to move in a direction along the rotation axis with respect to the base and the rotor when the rotor rotates about the rotation axis with respect to the base, wherein: the bending operator, the rotor, and the transmitter are configured to rotate about the longitudinal axis with respect to the housing together with the elongated member and the end effector in response to operation of the rotation operator, and the transmitter is configured to move in a direction along the longitudinal axis when the connecter moves in a direction along the rotation axis with respect to the base and the rotor.

“13. The surgical treatment instrument according to claim 12, wherein: the rotation axis is parallel to the longitudinal axis; the rotor comprises: a first screw; and a second screw having a winding direction opposite to that of the first screw; the connecter comprises: a first connecter connected with the transmitter and screwed to the first screw, and a second connecter connected with the transmitter and screwed to the second screw; and the first connecter and the second connecter are configured to move in opposite directions along the rotation axis when the rotor rotates about the rotation axis with respect to the base.

“14. The surgical treatment instrument according to claim 12, wherein: the rotor comprises: a first rotor that comprises a first rotor screw and is configured to rotate about a first rotation axis parallel to the longitudinal axis in response to operation of the bending operator; and a second rotor that comprises a second rotor screw and is configured to rotate about a second rotation axis parallel to the longitudinal axis in response to operation of the bending operator; the connecter comprises: a first connecter which is: (i) connected with the transmitter, (ii) screwed to the first rotor screw, and (iii) configured to move in a direction along the first rotation axis with respect to the base and the first rotor when the first rotor rotates about the first rotation axis with respect to the base; and a second connecter which is: (i) connected with the transmitter, (ii) screwed to the second rotor screw, and (iii) configured to move in a direction along the second rotation axis with respect to the base and the second rotor when the second rotor rotates about the second rotation axis with respect to the base.

“15. The surgical treatment instrument according to claim 12, wherein: the rotation axis extends in a direction intersecting the longitudinal axis; the rotor comprises: a first screw; and a second screw having a winding direction identical to that of the first screw; the connecter comprises: a first connecter connected with the transmitter and screwed to the first screw, and a second connecter connected with the transmitter and screwed to the second screw; and the first connecter and the second connecter are configured to move toward an identical side along the rotation axis when the rotor rotates about the rotation axis with respect to the base.

“16. A surgical treatment instrument comprising: an elongated member that extends along a longitudinal axis from a proximal side to a distal side; a housing, a distal side of which is connected with the elongated member; an end effector attached to the distal side of the elongated member, and configured to: bend with respect to the elongated member, and rotate together with the elongated member about the longitudinal axis with respect to the housing; a rotation operator configured to be operated to rotate the elongated member and the end effector about the longitudinal axis with respect to the housing; a bending operator attached to the housing, and configured to be operated to bend the end effector with respect to the elongated member; a rotor provided inside the housing and configured to rotate about a rotation axis in response to operation of the bending operator; a transmitter connected to the rotor and the end effector, and configured to transmit a driving force to the end effector to bend the end effector when the rotor rotates about the rotation axis in response to operation of the bending operator; a base disposed inside the housing, the base being configured to rotate about the longitudinal axis with respect to the housing together with the elongated member and the bending operator in response to operation of the rotation operator; and a connecter attached to the base such that movement of the connecter in a direction along the rotation axis is restricted, wherein: the bending operator, the rotor, and the transmitter are configured to rotate about the longitudinal axis with respect to the housing together with the elongated member and the end effector in response to operation of the rotation operator; the rotor is connected with the transmitter, and is configured to rotate about the rotation axis with respect to the base and the connecter to thereby move in a direction along the rotation axis with respect to the base; and the transmitter is configured to move in a direction along the longitudinal axis when the rotor moves in a direction along the rotation axis with respect to the base and the connecter.

“17. The surgical treatment instrument according to claim 16, wherein: the rotation axis is parallel to the longitudinal axis; the rotor comprises: a first screw connected with the transmitter; and a second screw connected with the transmitter, the second screw having a winding direction opposite to that of the first screw; the connecter comprises: a first connecter screwed to the first screw; and a second connecter screwed to the second screw; and the first screw and the second screw are configured to move in opposite directions along the rotation axis when the rotor rotates about the rotation axis with respect to the base and the connecter.

“18. The surgical treatment instrument according to claim 16, wherein: the rotor comprises: a first rotor configured to rotate about a first rotation axis parallel to the longitudinal axis in response to operation of the bending operator, the first rotor comprising a first rotor screw connected with the transmitter; a second rotor configured to rotate about a second rotation axis parallel to the longitudinal axis in response to operation of the bending operator, the second rotor comprising a second rotor screw connected with the transmitter; the connecter comprises: a first connecter screwed to the first rotor screw, and a second connecter screwed to the second rotor screw; the first rotor is configured to rotate about the first rotation axis with respect to the base, and thereby move in a direction along the first rotation axis with respect to the base and the first connecter; and the second rotor is configured to rotate about the second rotation axis with respect to the base, and thereby move in a direction along the second rotation axis with respect to the base and the second connecter.

“19. The surgical treatment instrument according to claim 16, wherein: the rotation axis extends in a direction intersecting the longitudinal axis; the rotor comprises: a first screw connected with the transmitter; and a second screw connected with the transmitter, the second screw having a winding direction identical to that of the first screw; the connecter comprises: a first connecter screwed to the first screw; and a second connecter screwed to the second screw; and the first screw and the second screw are configured to move toward an identical side along the rotation axis when the rotor rotates about the rotation axis with respect to the base.

“20. The surgical treatment instrument according to claim 1, wherein the bending operator is a dial or a knob.”

URL and more information on this patent application, see: KITAMURA, Ojiro; TAKEI, Yusuke; KAWAGUCHI, Yuki. Surgical Treatment Instrument. Filed April 5, 2019 and posted July 25, 2019. Patent URL: http://appft.uspto.gov/netacgi/nph-Parser?Sect1=PTO1&Sect2=HITOFF&d=PG01&p=1&u=%2Fnetahtml%2FPTO%2Fsrchnum.html&r=1&f=G&l=50&s1=%2220190223941%22.PGNR.&OS=DN/20190223941&RS=DN/20190223941

(Our reports deliver fact-based news of research and discoveries from around the world.)

Copyright © 2019 NewsRx LLC, Technology Business Daily, source Technology Newsletters

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