FIXING BASE

A fixing base is provided which can easily fix an endoscope main body and a treatment tool in an easy-to-operate state, and which makes it easy to increase or decrease the number thereof. This fixing base comprises a leg part and a fixing base main body vertically installed on the leg part. The endoscope main body of an endoscope used in surgery and one or more operation units of treatment tools can be detachably attached to said fixing base. The endoscope main body and operation units are attached to fixtures arranged approximately horizontally with respect to the vertical installation direction of the fixing base, and the fixtures are detachably attached to a fixed base unit, which extends approximately horizontally with respect to the fixing base main body. A hanger member is further attached to the fixed base unit.

FLEXIBLE TREATMENT INSTRUMENT

Provided is a flexible treatment instrument whereby it is possible for an individual doctor carrying out an endoscopic treatment to conduct reliable intuitive manipulation of forceps, scalpels, etc. This flexible treatment instrument (1) is provided with a mechanism which connects, with a flexible tube body (4) which encases transmission members, a curve part (3) which carries out a curving action and a manipulation part (8) which receives a manipulation by an operator relating to the curve part (3), said mechanism enabling the manipulation of the manipulation part (8) to be transmitted to the curve part (3). The flexible treatment instrument (1) further comprises: a support part (7) which, while clasping the flexible tube body (4), supports the manipulation part (8); and a rotation support part (11) which supports the manipulation part (8) at the support part (7) so as to allow axial rotation of the manipulation part (8) relative to the flexible tube body (4).

AUTOMATIC NEEDLE MOVER

An automatic needle mover (1) for moving a medical threaded needle comprises: two shafts (a first shaft (11) and a second shaft (12)) which extend in the same direction and are slidable relative to each other along a longitudinal direction; a needle holding portion (a second needle support portion (22)) disposed on one end of the second shaft (12); a needle-receiving portion (a first needle support portion (21)) disposed on one end of the first shaft (11); and a handle (30) serving as a control portion for controlling the sliding of the two shafts. The needle holding portion has a first groove portion disposed on a first nail portion protruding in a direction intersecting the longitudinal direction of the shafts. The needle-receiving portion has a second groove portion disposed on a second nail portion protruding in a direction intersecting the longitudinal direction of the shafts. The needle holding portion and the needle-receiving portion are movable toward and away from each other as ...

BENDABLE TREATMENT INSTRUMENT

Provided is a bendable treatment instrument which enables a leading end section thereof having a device attached thereto to be freely bended independently of a flexible endoscope, and can prevent the device from being twisted due to a twist, about the axis, of a sheath wire member caused when insertion into the flexible endoscope is performed, and which has no possibility of causing any impediment to arrangement or movement of a person or an object when the flexible endoscope is pivoted. The bendable treatment instrument is provided with: a bendable part 4 which has a treatment member attached to the leading end thereof; a manipulation part which allows bending operation of the bendable part 4, opening and closing operations of forceps serving as the treatment member, and advancing and retracting operations of a surgical knife serving as the treatment member; a sheath wire part 5 through which manipulation performed with the manipulation part is transmitted; and an axial fixation means ...

BENDABLE TREATMENT INSTRUMENT

Provided is a bendable treatment instrument that enables an individual doctor who is performing an endoscopic procedure to reliably and intuitively manipulate forceps, a knife, or the like. A bendable treatment instrument () includes a mechanism connecting, via a flexible tube body () encasing a transmission member, a bending section () configured to perform a bending action and a manipulation member () configured to receive a manipulation with respect to the bending section () from an operator. The mechanism is capable of transmitting a manipulation by the manipulation member () to the bending section (). The bendable treatment instrument further includes a support member () configured to support the manipulation member () while clasping the flexible tube body (), and a rotation support member () configured to support the manipulation member () so as to allow the manipulation member () to axially rotate with respect to the flexible tube body () at the support member (). 1. A bendable treatment instrument , comprising a mechanism connecting , via a flexible tube body encasing a transmission member , a bending section configured to perform a bending action and a manipulation member configured to receive a manipulation with respect to the bending section from an operator , the mechanism being capable of transmitting a manipulation by the manipulation member to the bending section , the bendable treatment instrument further comprising:a support member configured to support the manipulation member while clasping the flexible tube body; anda rotation support member configured to support the manipulation member with respect to an axis of the flexible tube body at the support member so as to allow an axis of the manipulation member to axially rotate about the axis of the flexible tube body.2. The bendable treatment instrument according to claim 1 , further comprising a lock member configured to inhibit or to permit axial rotation of the manipulation member at the rotation ...

NEEDLE HOLDER

Provided is a needle holder that allows a suture needle to rotate around the axis that is perpendicular to the longitudinal direction of an insertion tube, that has an extremely simple configuration, and that improves usability. The needle holder is provided with: an insertion tube 4; a tip-driving crown 7 that holds a suture needle 30 at the tip of the insertion tube 4 and is disposed so as to be able to rotate around the axis that is perpendicular to the insertion direction at the tip; and a manipulation part 2 for manipulating the movement of the tip-driving crown 7. The tip-driving crown 7 has a slit 10 in the diametrical direction which holds the suture needle 30, and a wire 8 is wound around the periphery of the tip-driving crown 7. With the suture needle 30 inserted in the slit 10, the tip-driving crown 7 is secured by the wire 8, and the suture needle 30 is held by the tip-driving crown 7.

HOLDING DEVICE, AND DRIVING SYSTEM FOR FLEXIBLE ENDOSCOPE

Provided is a holding device which can hold a tubular part of a medical tool, such as a flexible endoscope, in a forward and backward movable manner, and which can give the tubular part a twisting movement without the need to rotate the holding device itself. A holding device 1 for holding a tubular part of a medical tool, such as a flexible endoscope, in a forward and backward movable manner, the holding device being provided with a holding member (11A, 11B) which can hold the tubular part rotatably in a rotation direction around the length direction while moving the tubular part forward and backward relatively in the length direction.

ENDOSCOPE FIXING MEANS

An endoscope fixing means is provided which makes it possible to easily attach and detach an endoscope from an endoscope holder with the endoscope still inserted inside a bodily cavity. This fixing means fixes an endoscope capable of observing a surgical site inside a bodily cavity using an endoscope that comprises an insertion unit inserted into the bodily cavity and an endoscope main body attached to one end of the insertion unit. The fixing means is provided with a holder main body that is attached to a fixed base placed on a floor and that rotatably holds the endoscope main body, and the holder main body is provided with an attachment/detachment mechanism that enables attaching and detaching the endoscope main body to/from the holder main body while the insertion unit is still inserted into the bodily cavity.

AUTOMATIC NEEDLE HANDLER

This automatic needle handler 1 has a second jaw 22 as a needle support part and a first jaw 21 as a needle receiving part, wherein needle handling is performed by handing over a thread-attached needle 9 from the needle support part to the needle receiving part while a workpiece O is arranged between the needle support part and the needle receiving part. The automatic needle handler 1 has an intermediate plate 30 that is provided between the workpiece O and the needle receiving part and that has a slit through which the thread-attached needle 9 can pass in the needle handling direction when the workpiece is arranged between the needle support part and the needle receiving part. The intermediate plate 30 is configured to be capable of moving away from the needle receiving part in the needle handling direction after the needle receiving part has received the thread-attached needle 9.

HINGE MEMBER FOR BENDABLE TREATMENT TOOL AND BENDABLE TREATMENT TOOL HAVING SAID HINGE MEMBER INCORPORATED THEREIN

This hinge member (10) has a cylindrical shape and comprises a recessed section (42) on the base end surface (41) thereof and a protruding section (44) on the tip surface (43) thereof. The protruding section (44) is offset from the recessed section (42) by 90° in the circumferential direction of the cylindrical hinge member (10). A plurality of hinge members (10) are aligned along the same axis by fitting the protruding section (44) of one hinge member (10) into the recessed section (42) of an adjacent hinge member (10). A plurality of the hinge members (10) thereby constitute a bendable section (4) of a treatment tool (1a, 1b). Four through holes (45) for bending pass through the hinge member (10). A wire (22) for bending passes through the interior of each of the through holes (45). When the wire (22) is pulled, the protruding section (44) rotates within the recessed section (42) and the bendable section (4) bends. The through holes (45) are formed so as to avoid locations at which the ...

SHEATH FOR BENDABLE TREATMENT TOOL AND BENDABLE TREATMENT TOOL HAVING SAID SHEATH INCORPORATED THEREIN

Provided is a sheath that is for a bendable treatment tool, that can be inserted in an endoscope channel and bendably operated by intuitive operation, and that can withstand the load resulting from gripping and resection operation of the treatment tool. Also provided is a bendable treatment tool using the sheath. A treatment tool is provided to the tip of the sheath, and said sheath constitutes a bendable treatment tool that can be freely bent. The sheath is provided with: an inner sheath comprising a device sheath into which a device wire that is connected to the treatment tool and that operates the treatment tool is inserted and a plurality of bendable sheaths into which each of a plurality of bending wires that cause bending operation of the bendable treatment tool are inserted; an outer sheath that accommodates all of the inner sheath; and a liner braid that covers the outer surface of the outer sheath.

OPERATING PART FOR BENDABLE TREATMENT TOOL

Provided is an operating part for a bendable treatment tool that can be inserted in an endoscope channel and smoothly bendably operated by intuitive operation. The treatment tool of a bendable treatment tool that is freely bendable is provided to the tip of the operating part. A device wire that operates the treatment tool and that is connected to the treatment tool and a plurality of bending wires that cause bending operation of the bendable treatment tool are each connected to the operating part. The operating part performs operation of the treatment tool and bending operation of the bendable treatment tool. The operating part is provided with: an operating section main body; a guidance section through which the device wire passes; a bending wire traction section that has the bending wires connected thereto and that is mounted so as to be freely swingable with respect to the guidance section; and a clip section that has the device wire attached thereto and that is capable of reciprocating ...

FORWARD/BACKWARD MOVEMENT ASSIST TOOL FOR ENDOSCOPIC TREATMENT INSTRUMENT

This forward/backward movement assist tool (20) of a treatment tool (14) employed in an endoscope (10) has: a substantially L-shaped rotary member (21); and a rubber belt (22) which serves as a support member capable of supporting the rotary member (21) in a turnable or rotatable manner at a position separated from the central axis of the treatment tool insertion hole (12) in the vicinity of a treatment tool insertion hole (12) of the endoscope (10). The rotary member (21) has a treatment tool fixing part (24) which is disposed at an end of a first edge (211) extending in a first direction and which is capable of supporting a sheath of the treatment tool; and an operational input part (23) which is disposed at an end of a second edge (212) extending in a second direction intersecting with the first direction and which is used by an operator to provide operational input. The rotary member is configured to be rotatable or turnable over a prescribed angular range about a rotation axis which ...

HIGH-FREQUENCY FORCEPS

Provided is a treatment instrument that can be used for both grasping and resection or peeling of tissue such that there is no need to switch left and right devices or to adjust the field of view of an endoscope, thereby reducing the burden on an operator. A high-frequency forceps is configured such that a pair of forceps pieces provided with resection units for applying a high-frequency current to biological tissue can be opened and closed through a pivot shaft. The resection units are provided on opposing surfaces of the pair of forceps pieces so as to extend from the pivot shaft side towards the distal end side and are separated from each other in a state in which the pair of the forceps pieces are closed.

PUNCTURE ASSISTANCE SYSTEM

A puncture assistance system provides information on a collapse state of a blood vessel to be punctured, caused by pressing action of an ultrasonic probe, when ultrasonic images of the blood vessel are acquired. A puncture assistance system includes: vascular diameter detecting means for detecting a vascular diameter during acquisition of the ultrasonic images from an ultrasonic diagnostic device puncture assistance information generating means for generating puncture assistance information for determination of whether or not puncture is allowed to be performed based on a collapse state of a blood vessel B caused by pressing action of an ultrasonic probe against skin S by comparing a current vascular diameter detected by the vascular diameter detecting means with a standard vascular diameter stored in advance; and a monitor that presents the puncture assistance information. 15-. (canceled)6. A puncture assistance system that assists blood vessel puncture by using ultrasonic images of a cross section of a blood vessel under a patient's skin from an ultrasonic diagnostic device that causes an ultrasonic probe to come into contact with the skin to acquire the ultrasonic images , the system comprising:vascular diameter detecting means for detecting a vascular diameter during acquisition of the ultrasonic images;puncture assistance information generating means for generating puncture assistance information for determination of whether or not puncture is allowed to be performed based on a collapse state of the blood vessel caused by pressing action of the ultrasonic probe against the skin by comparing a current vascular diameter detected by the vascular diameter detecting means with a standard vascular diameter that is a diameter of a standard blood vessel in a state in which the blood vessel is not pressed by the ultrasonic probe; andpresenting means for presenting the puncture assistance information,wherein the puncture assistance information generating means includes: ...

BENDING TREATMENT INSTRUMENT HINGE MEMBER, AND BENDING TREATMENT INSTRUMENT INCORPORATING THE HINGE MEMBER

A hinge member of a bending treatment instrument in an endoscope channel and used bendably and capable of withstanding loads from grasping and resection motions of treatment instruments and a bending treatment instrument that uses the hinge member. 1. A hinge member substantially tubular in shape , where a plurality of the hinge members make up a bending treatment instrument by being arranged in a row substantially coaxially with one another , the hinge member comprising:a recess formed along a radial direction of the hinge member at least on an outer edge of an end face on a proximal side in an axial direction; and projections formed along the radial direction of the hinge member, at least on outer edges of an end face on a distal side by protruding therefrom and by being shifted 90 degrees in a circumferential direction from the recess, whereina bending-wire passage hole penetrating the hinge member in the axial direction is formed at a position avoiding the projections on the end face on the distal side.2. The hinge member according to claim 1 , further comprising a device-wire passage hole penetrating an axial center portion.3. The hinge member according to claim 2 , wherein the device-wire passage hole is formed into a substantially elliptical shape in a cross section orthogonal to the axial direction.4. The hinge member according to claim 2 , wherein the substantially elliptical shape of the device-wire passage hole is formed such that a major axis is parallel to a direction orthogonal to an opposing direction of the projections.5. The hinge member according to claim 1 , wherein the bending-wire passage hole is formed at opposite ends of a pair of the projections for a total of four.6. The hinge member according to claim 1 , wherein each of the projections protrudes by forming a substantially arc shape and the recess is formed into an arc shape corresponding to the projections so as to be able to come into sliding contact with the projections.7. The hinge ...

BENDING TREATMENT INSTRUMENT OPERATING PORTION

An operating portion which allows a bending treatment instrument to be inserted into an endoscope channel and bendably operated smoothly through intuition. The operating portion is connected with a device wire and bending wires and used to operate the treatment instrument and bend a freely bendable, bending treatment instrument, where the device wire is connected to a treatment instrument provided at a distal end of the bending treatment instrument and is used to operate the treatment instrument and the plurality of bending wires is used to bend the bending treatment instrument, the operating portion including: an operating portion body; a guide unit penetrated by the device wire; a bending wire pulling unit connected with the bending wires and swingably assembled onto the guide unit; and a grip portion connected with the device wire and configured to be reciprocable in an axial direction of the bending wire pulling unit. 1. An operating portion connected with a device wire and a plurality of bending wires and used to operate a treatment instrument and bend a freely bendable , bending treatment instrument , the device wire being connected to the treatment instrument provided at a distal end of the bending treatment instrument and used to operate the treatment instrument and the plurality of bending wires being used to bend the bending treatment instrument , the operating portion comprising:an operating portion body;a guide unit penetrated by the device wire;a bending wire pulling unit connected with the bending wires and swingably assembled onto the guide unit; anda grip portion connected with the device wire and configured to be reciprocable in an axial direction of the bending wire pulling unit.2. The operating portion according to claim 1 , wherein the bending wire pulling unit and the guide unit include an axis alignment mechanism made up of a spherical recess and a spherical projection fitted one inside another claim 1 , the spherical recess being formed in one ...

FIXING DEVICE FOR ENDOSCOPE

A fixing device for an endoscope that allows easy detachment of the endoscope from an endoscope holder even with the endoscope kept inserted in a body cavity is provided. 1. A fixing device for fixing an endoscope capable of observing an operative site in a body cavity using an endoscope having an insertion portion to be inserted into the body cavity and an endoscope body attached at an end of the insertion portion , whereinthe fixing device comprises a holder body attached to a fixing stand placed on a floor and for holding the endoscope body in an axially rotatable manner, andthe holder body comprises a detaching mechanism that allows the endoscope body to be detached from the holder body while keeping the insertion portion inserted in the body cavity.2. The fixing device according to claim 1 , wherein the detaching mechanism comprises:a through hole formed in the holder body and having a first cutout in a radial direction; anda turning component rotatably fitted in the through hole and having a second cutout corresponding to the first cutout.3. The fixing device according to claim 2 , comprising a pressing device which presses the turning component in an axial direction of the through hole and has a third cutout corresponding to the first cutout and the second cutout.4. The fixing device according to claim 2 , wherein the turning component comprises a flange extending in the radial direction claim 2 , and the pressing device presses the flange in the axial direction.5. The fixing device according to claim 4 , wherein the turning component and the pressing device are fitted in the through hole and fixed in the axial direction by a lid component attached on the holder body.6. The fixing device according to claim 1 , wherein the holder body comprises a horn component for fixing a treatment instrument which is inserted into an endoscope channel of the endoscope or inserted into the body cavity with the endoscope. The present invention relates to a fixing device for ...

FIXING STAND

A fixing stand to which an endoscope body and treatment instruments can be easily attached in an easy-to-operate manner and which facilitates increase or decrease in the number of such items is provided.

HIGH FREQUENCY FORCEPS

To provide a treatment instrument that combines a capability to grip a target tissue and a capability to resect and ablate the target tissue without the need to interchange left and right devices or adjust a field of view of an endoscope, which can reduce burden on a surgeon. 1. A high frequency forceps including a pair of forceps pieces configured to open and close on a pivot and equipped with incision blades adapted to pass a high-frequency current to a living tissue , wherein the incision blades are formed , respectively , on opposite faces of the pair of forceps pieces , extending from a side of the pivot to a distal side; and the incision blades are spaced away from each other when the pair of forceps pieces is closed.2. The high frequency forceps according to claim 1 , wherein distal portions of the pair of forceps pieces are provided with abutting portions configured to abut each other when the pair of forceps pieces is closed.3. The high frequency forceps according to claim 2 , wherein the abutting portions come substantially into point contact with each other.4. The high frequency forceps according to claim 1 , wherein the incision blades have an approximately triangular shape in a section orthogonal to an extending direction of the pair of forceps pieces.5. The high frequency forceps according to claim 4 , wherein the incision blades are subjected to insulation treatment except for vertices of the triangular shape. The present invention relates to a high frequency forceps as an endoscopic treatment instrument inserted into a flexible endoscope, and specifically, to a high frequency forceps having a function of a high frequency scalpel and forceps that aims to be inserted into a treatment instrument channel of a flexible endoscope or a treatment instrument passage tube attached to a flexible endoscope, is caused to reach an abdominal organ such as the stomach or intestines together with the flexible endoscope from the mouth or anus, and used for resecting ...

Automatischer Nadelbeweger

Automatischer Nadelbeweger (1) zum Bewegen einer medizinischen Fadennadel umfassend: zwei Schäfte (einen ersten Schaft (11) und einen zweiten Schaft (12)), die sich in der gleichen Richtung erstrecken und relativ zueinander entlang einer Längsrichtung verschiebbar sind, einen Nadelhalteabschnitt (einen zweiten Nadelträgerabschnitt (22)), der an einer Endseite des zweiten Schafts (12) vorgesehen ist; einen Nadelempfangsabschnitt (einen ersten Nadelträgerabschnitt (21)), der an einer Endseite des ersten Schafts (11) vorgesehen ist; und einen Griff (30), der als ein Steuerabschnitt zum Steuern des Verschiebens der beiden Schäfte dient. Der Nadelhalteabschnitt weist einen ersten Nutabschnitt auf, der in einem ersten Klauenabschnitt vorgesehen ist, der in einer Richtung vorsteht, welche die Längsrichtung der Schäfte schneidet. Der Nadelempfangsabschnitt einen zweiten Nutabschnitt aufweist, der in einem zweiten Klauenabschnitt vorgesehen ist, der in einer Richtung vorsteht, welche die Längsrichtung der Schäfte schneidet. Infolge des Verschiebens der beiden Schäfte nähern sich der Nadelhalteabschnitt und der Nadelempfangsabschnitt einander an, und eine gerade Nadel, die vom Nadelhalteabschnitt gehalten wird, kann in den Nadelempfangsabschnitt eingepresst werden.

屈曲処置具

【課題】デバイスが取り付けられた先端部を軟性内視鏡と独立して自由に屈曲させることができ、軟性内視鏡内に挿入する際のデバイスの捩じれを防止することができ、軟性内視鏡を旋回させる際の人や物の配置や動きに支障を来すおそれがない屈曲処置具を提供する。 【解決手段】先端に処置部材が取り付けられた屈曲部４の屈曲動作、処置部材としての鉗子の開閉動作および処置部材としてのメスの出没動作を行う操作部と、操作部の操作を伝達するシース・ワイヤ部５と、シース・ワイヤ部の軸回りの回転を阻止する軸固定手段１００とを備え、軸固定手段は、シース・ワイヤ部に固定された係合突起と係合する溝が形成されて、シース・ワイヤ部の軸方向への移動を許容し、軸回りの回転を阻止する軸固定部とを備え、軸固定手段の屈曲部側の端部は、軸固定手段を内視鏡チャンネルに保持させた際に、軟性内視鏡の旋回中心軸と軸固定手段とが平行になるように湾曲している． 【選択図】図１９

内視鏡用縫合器及び内視鏡

【課題】内視鏡手術における使用に適した内視鏡用縫合器、及び内視鏡用縫合器を備えた内視鏡の提供。【解決手段】内視鏡の挿入部の先端に取り付けて使用される内視鏡用縫合器であって、側面の一部が切り欠かれた略円筒状の形状を有する本体部１１と、前記切り欠かれた箇所から出没可能に本体部１１に備えられる円弧状針と、本体部１１に備えられる円弧状針の運針機構と、を備える内視鏡用縫合器。【選択図】図２

Automatic needle mover

An automatic needle mover (1) for moving a medical threaded needle includes: two shafts (a first shaft (11) and a second shaft (12)) extending in the same direction and slidable relative to each other along a longitudinal direction; a needle holding portion (a second needle support portion (22)) provided on one end side of the second shaft (12); a needle-receiving portion (a first needle support portion (21)) provided on one end side of the first shaft (11); and a handle (30) serving as a control portion for controlling the sliding of the two shafts. The needle holding portion has a first groove portion provided in a first claw portion protruding in a direction intersecting the longitudinal direction of the shafts. The needle-receiving portion has a second groove portion provided in a second claw portion protruding in a direction intersecting the longitudinal direction of the shafts. As a result of the sliding of the two shafts, the needle holding portion and the needle-receiving portion become close to each other and a straight needle held by the needle holding portion can be press-fitted into the needle receiving portion.

トロッカースペーサ

【課題】鏡視下手術において、鏡視下手術ポートに手術具を挿入した際に、手術具の先端にブレが生じず且つ、手術の作業性に影響を与えない鏡視下手術に用いられるトロッカースペーサを提供する。【解決手段】鏡視下手術ポートに挿入される手術具を保持するトロッカースペーサ１０であって、鏡視下手術ポートの内周面と、手術具の外周面と当接する弾性部材１２を備える。弾性部材を先端に取り付けた円筒状のトロッカースペーサ本体１１を備え、トロッカースペーサ本体は、軸方向に貫通する貫通孔１６を備える【選択図】図２

Operating part for bendable treatment tool