Patent•
Endoscopic system and method for positioning an indwelling tube
05 Feb 2002-
TL;DR: An endoscope including a fixing member detachably mounted to a distal end portion of an endoscope insertion part for detachably fixing and holding an indwelling tube or a guide member for guiding the insertion part is described in this paper.
Abstract: An endoscope including; a fixing member detachably mounted to a distal end portion of an endoscope insertion part for detachably fixing and holding a distal end portion of an indwelling tube or a distal end portion of a guide member for guiding the indwelling tube, both of which are provided along the axial direction of the insertion part, to the distal end portion of the insertion part.
Citations
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Patent•
10 Jun 2011
TL;DR: In this article, a surgical stapling device particularly suited for endoscopic procedures is described, which includes a handle assembly and an elongated body extending distally from the handle assembly.
Abstract: A surgical stapling device particularly suited for endoscopic procedures is described The device includes a handle assembly and an elongated body extending distally from the handle assembly The distal end of the elongated body is adapted to engage a disposable loading unit A control rod having a proximal end operatively connected to the handle assembly includes a distal end extending through the elongated body A control rod locking member is provided to prevent movement of the control rod until the disposable loading unit is fully secured to the elongated body of the stapling device
2,013Â citations
Patent•
30 Sep 2004
TL;DR: In this paper, a surgical stapling instrument (1) comprises a body portion (2, 3), a handle (4), and a staple fastening assembly (8), which includes a curved cartridge (10), which comprises at least one curved open row of staples, and a curved anvil (22), which is adapted to cooperate with the cartridge for forming the ends of the staples exiting from the cartridge.
Abstract: A surgical stapling instrument (1) comprises a body portion (2, 3), a handle (4) and a staple fastening assembly (8). The staple fastening assembly (8) includes a curved cartridge (10), which comprises at least one curved open row of staples, and a curved anvil (22), which is adapted to cooperate with the cartridge (10) for forming the ends of the staples exiting from the cartridge (10). The staple fastening assembly (8) is adapted to allow unobstructed access towards the concave inner faces of the cartridge (10) and the anvil (22). The cartridge (10) can be moved towards the anvil (22) from a spaced position for positioning tissue therebetween to a closed position for clamping the tissue. Preferably, a knife is contained within the cartridge (10) and is positioned such that there is at least one row of staples on at least one side of the knife.
1,502Â citations
Patent•
14 Jun 2016
TL;DR: Newness and distinctiveness is claimed in the features of ornamentation as shown inside the broken line circle in the accompanying representation as discussed by the authors, which is the basis for the representation presented in this paper.
Abstract: Newness and distinctiveness is claimed in the features of ornamentation as shown inside the broken line circle in the accompanying representation.
1,500Â citations
Patent•
21 Apr 2011TL;DR: In this paper, a surgical instrument can comprise a channel configured to support a staple cartridge and, in addition, an anvil pivotable between open and closed positions relative to the channel.
Abstract: A surgical instrument can comprise a channel configured to support a staple cartridge and, in addition, an anvil pivotable between open and closed positions relative to the channel. The surgical instrument can further comprise a cutting member configured to incise tissue positioned captured between the staple cartridge and the anvil and, in addition, means for stopping the cutting member prior to a distal end datum, wherein the distal end datum can be defined by the distal-most staple cavity in the staple cartridge. In such embodiments, the incision within the tissue may not extend beyond the portion of the tissue that has been stapled.
1,498Â citations
Patent•
20 Sep 2016TL;DR: In this article, an E-beam firing bar is used to drive staples on each side of the cut in a surgical severing and stapling instrument, which is suitable for laparoscopic and endoscopic clinical procedures, clamps tissue within an end effector of an elongate channel pivotally opposed by an anvil.
Abstract: A surgical severing and stapling instrument, suitable for laparoscopic and endoscopic clinical procedures, clamps tissue within an end effector of an elongate channel pivotally opposed by an anvil. An E-beam firing bar moves distally through the clamped end effector to sever tissue and to drive staples on each side of the cut. The E-beam firing bar affirmatively spaces the anvil from the elongate channel to assure properly formed closed staples, especially when an amount of tissue is clamped that is inadequate to space the end effector. In particular, an upper pin of the firing bar longitudinally moves through an anvil slot and a channel slot is captured between a lower cap and a middle pin of the firing bar to assure a minimum spacing. Forming the E-beam from a thickened distal portion and a thinned proximal strip enhances manufacturability and facilitates use in such articulating surgical instruments.
1,384Â citations
References
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Patent•
TL;DR: An endoscope (E, E', E'') has a sterilizable, reusable, elongated, optical capsule section (C, C') and a separable, disposable, sterile channel section (S), which is removable after use as discussed by the authors.
Abstract: An endoscope (E, E', E'') has a sterilizable, reusable, elongated, optical capsule section (C, C') and a separable, disposable, sterile channel section (S). The capsule (C, C') has a window at a distal end in front of an image sensor (14). Image transmitting electronic cables (16), connected to the image sensor (14), extend proximally from the capsule (C, C'). Light transmitting fibers (20) extend from the window proximally for transmitting light to a site under investigation from a remote light source. The channel section (S) is removably attached in a fixed position to the capsule (C) and has plurality of longitudinal channels (24, 26) for transmitting fluids or for receiving an operative instrument. A flexible tube is connected to the proximal end of each channel for supplying fluid or for manipulating the operative instrument from a remote location. The separable section (S) is disposable after use. An umbilicated balloon catheter (130) or a telescopic catheter (160) can be used to position the tethered endoscope (E) in a passageway. Circumferentially spaced fluid vents (176) can supply jets of gas or liquid selectively to position the endoscope (E). Alternatively, a magnet (184) can be used for manipulating a cpasule (C) with a ferrous housing along a passageway by use of a strong magnet (184) located exteriorally thereof.
1,038Â citations
Patent•
TL;DR: An endoscope with separable auxiliary assembly is provided in this paper, which includes a cylindrical shaped endoscope that is insertable within a sterile end cap with attached sterile drape, the drape being extendable over the length of the endoscope and its trailing cables.
Abstract: An endoscope with separable auxiliary assembly is provided that includes a cylindrical shaped endoscope that is insertable within a sterile end cap with attached sterile drape, the drape being extendable over the length of the endoscope and its trailing cables thus isolating the endoscope and its trailing cables from the environment. A sterile separable channel section is provided that releasably attaches to the end cap. The separable channel section has a plurality of longitudinal channels running therethrough so that operative fluids, gases or operative instruments may be applied to the surgical site. To enable a surgeon to obtain selectable images of an operative site, a detachable viewing head may be attached to the distal end of the endoscope prior to placement of the endoscope inside the end cap.
761Â citations
Patent•
29 Jun 1998
TL;DR: A minimally invasive technique for harvesting saphenous veins and the like for use as autografts in coronary artery bypass grafting surgery include a microsurgical instrument adapted to be demountably secured to the distal end of an endoscope.
Abstract: A minimally invasive technique for harvesting saphenous veins and the like for use as autografts in coronary artery bypass grafting surgery include a microsurgical instrument adapted to be demountably secured to the distal end of an endoscope. The instrument is inserted through an entry incision in the patient's skin, at the end of the endoscope which is used by a surgeon to advance the instrument along the saphenous vein, using the vein as a guide for the instrument. The instrument is tapered to provide initial separation of surrounding tissues from the vein, and cutting means supported by the instrument and viewed via the endoscope allow dissection of all tissues and side branch vessels from the saphenous vein. The instrument further provides a protective hood which prevents tissues or skin from blocking the endoscope. The desired length of saphenous vein is transected and is extracted via the entry incision. The technique minimizes trauma to the patient and to the saphenous vein graft.
232Â citations
Patent•
08 Aug 1996TL;DR: An endoscope for use with an elastomeric sheath for performing an endoscopic procedure is described in this paper, which includes a body, an insertion tube extending away from the body and terminating at a distal end portion.
Abstract: An endoscope for use with an elastomeric sheath for performing an endoscopic procedure. The endoscope includes a body, an insertion tube extending away from the body and terminating at a distal end portion, and a sheath retainer connected to the distal end portion of the insertion tube for releasably retaining the sheath on the insertion tube in a substantially fixed position during the endoscopic procedure. The sheath is an elastomeric member movable between a radially expanded position and a contracted position, and the sheath is biased toward the contracted position. The sheath retainer is a generally C-shaped member having a pair of retaining tabs spaced apart from each other and extending away from an outer surface of the insertion tube's distal end portion to define a working channel retaining area therebetween. The retaining tabs are positioned and sized to engage a portion of the sheath at its distal end portion and to prevent the distal end portion of the sheath from moving axially relative to the distal end portion of the insertion tube, particularly during an endoscopic procedure.
172Â citations
Patent•
10 May 1993TL;DR: In this paper, a sheath for a sheathed endoscope is provided and is removably fitted over a flexible elongate insert part of the endoscope, the cover being made of a shapememory synthetic resin material that is restored to a previously memorized shape by heating it to a shape restoration temperature.
Abstract: A sheathed endoscope has a flexible elongate insert part and a sheath that is removably fitted over the insert part. The sheathed endoscope comprises a distal end part that is provided at the distal end of the insert part, a distal end cover that is provided at the distal end of the sheath and that is removably fitted over the distal end part, and a lock device that is provided on the distal end cover so as to be engageable with the distal end part. The lock device is disengaged from the distal end part by deforming the distal end cover so that the lock device moves radially outward. A sheath for a sheathed endoscope is provided and is removably fitted over a flexible elongate insert part of the endoscope. The sheath comprises a flexible tubular member that is removably fitted over the insert part, a distal end cover that is connected to the distal end of the tubular member so as to be removably fitted over the distal end of the insert part, the cover being made of a shape-memory synthetic resin material that is restored to a previously memorized shape by heating it to a shape restoration temperature, and a lock device that is provided on the distal end cover.
162Â citations