Abstract: An anastomosis button formed of a pair of axially engaged complementary clamping members, each clamping member includes a hub and a crown. The crown includes a clamping collar which is coaxially positioned about and spaced outwardly of the hub medially along the length of the hub and a plurality of spring leaves which are spaced apart and attached at one set of ends to the hub and at the other set of ends to the clamping collar.

Abstract: A straight needle for penetrating the scalp substantially parallel to the underlying bone structure has a trailing tissue-compatible flexible preferably transparent plastic tube which contains a stainless steel bushing. After being pulled through the scalp puncture openings by the needle, the needle with a portion of the trailing tube is severed and discarded with a section of the tube and the contained bushing remaining in the scalp with end portions projecting outwardly of the puncture openings. The external end portions of the bushing are turned upwardly approximately normal to the scalp and a parallel lock bar to which a hair piece may be anchored is attached in close parallel relationship to the implanted bushing by a wire which is threaded through the bushing and its encasing tube before bending the ends of the bushing.

Abstract: A suction forcep used to grasp an artificial lens and implant same in the human eye following cataract surgery comprises a smooth, flexible suction head mounted on a stem-like handle connected to a controlled vacuum source, the lens being held against the suction head by a partial vacuum maintained therein while the lens is positioned beneath the partially withdrawn cornea of an eye in alignment with the pupil thereof.

Abstract: An instrument particularly useful for locating and removing ureteral calculi and other occlusive objects from body passages. The instrument includes a flexible tube or sheath which slidably receives a tightly-twisted multi-stranded cable of a length greater than that of the tube, the cable having an integral cage portion at its distal end. That cage portion, which is normally collapsed and concealed within the distal end of the tube, may be extended beyond the tube to assume an expanded helical pear-shaped configuration for ensnaring and withdrawing ureteral stones and other passage-occluding bodies. The tightly wound strands of the cable are arranged in a circumferential pattern about an axial lumen which in one embodiment is useful for fluid drainage and injection and which in other embodiments accommodates conductors for transmitting light, images, and/or ultrasonic energy.

Abstract: The instrument includes a first handle and a first blade pivotally connected scissors-fashion with a second handle and a second blade. One of the blades is formed with a first notch for severing the tail of a pig and with a second notch for severing the navel cord of the pig. A heating unit heats the other blade in order to cauterize the tail or navel cord as an incident to the severing operation. The heating unit includes a handle which coacts with the other two handles to define a tripod for supporting the instrument in a standing position when the instrument is not in use.

Abstract: An instrument is adapted to be inserted through an endoscope channel into the body cavity of the human being together with an endoscope and remove a foreign substance such as polyp and stone within the body cavity of the human being. The instrument has trap means separable from the elongated tubular instrument body and the trap means are left within the body cavity of the human being, while being supported from the forward end of the supporting wire introduced into the body cavity of the human being together with the tubular instrument body, after they trap the foreign substances. The trapped foreign substances are drawn out through a supporting wire from within the body cavity of the human being together with the trap means when the endoscope is withdrawn from within the body cavity of the human being.

Abstract: An ear curette which comprises, in combination, a generally resilient self-supporting flexible gripping shaft with a wire loop secured to the distal end thereof. The gripping shaft is fabricated from a substantially continuous solid shaft, with the distal end portion having a diameter which is significantly reduced from that of the proximal end segment so as to provide a generally rigid proximal end segment and a generally flexible distal end segment. Preferably, a tapered step is utilized to separate the proximal end from the distal end.

Abstract: A forceps made in one piece of a plastic material has two arms having each a flat tip of a rectangular or square configuration. Said tips face each other and the arms are of a rigid beam-shaped structure but join in flexible portions. Near to the transition between said beam-shaped structure and said flexible portion each arm has a projection and said projections are dimensioned to engage each other when said tips are pressed against each other surface to surface.

Abstract: In forceps having a pair of handles one of which is hinged for reciprocal movement relative to the other, extension arms between the handles one of the arms being reciprocally slidable along the other arm, upper and lower jaw members one of which is hinged for reciprocal movement relative to the other which reciprocal movement of the jaws and arms is in response to reciprocal handle movement, and the slidable arm may be disengaged for cleaning, the improvement comprises a locking member pivotally mounted for engaging one side of the slidable arm in the locked position.

Abstract: A simplified, easy-to-use surgical scraping instrument or curette especially adapted for obtaining uterine tissue or material samples is provided which includes a suction tube having cooperable scraping loop and tissue-catching structure adjacent one end thereof for easily and safely obtaining tissue samples from the uterine wall of a patient. In preferred forms the material-receiving opening of the tube is generally elliptical in configuration and obliquely disposed adjacent an oppositely and upwardly extending scraping loop presenting a relatively sharp, continuous upper scraping edge. The outermost bight section of the scraping loop is advantageously disposed at an angle relative to the remainder of the loop in order to present an outermost arcuate scraping area.

Abstract: A portable cryosurgical instrument suitable for one handed operation is provided with means to precisely control the amount of spray discharge necessary in order to necrotize the desired tissue.

Abstract: A fluidic control system for use in irrigation and aspiration of the anterior chamber of the eye during ultrasonic emulsification of a cataract therein. The system comprises a handpiece with an (ultrasonically vibrated) hollow tip, the hollow tip being connected to the fluid withdrawal or aspirating portion, while an annular passage around the tip is used to introduce fluid for irrigation purposes. The aspirating portion comprises a withdrawal hose attached to the output manifold of the handpiece in fluid communication with the hollow tip, a constant flow pump attached to the other end of the withdrawal hose, and a vacuum relief valve connected to the withdrawal hose intermediate the pump and the handpiece. The irrigation portion comprises a fluid supply bottle at a predetermined height above the eye, and administration set attached to the bottle, and an inflow hose attached to the intake manifold of the handpiece and in fluid communication with the annular passage.

Abstract: A tube especially useful in fiberoptic bronchoscopy has at one end an adapter which is provided with both means for connection to ventilating means and means for introduction of a fiberoptic bronchoscope and has at the other end a section of reduced external diameter provided with an inflatable cuff.

Abstract: The forceps device for an endoscope includes a toggle joint operated through a wire coupling by the wire operation. Said toggle joint has a pair of forceps levers whose forward end portions constitute an operating section and whose intermediate portions are pivotally supported, and a pair of links connected between the base ends of said pair of forceps levers and said wire coupling.

Abstract: The device comprises a substantially rigid member having a rounded first end and a body portion generally circular in cross section and conical in longitudinal section extending therefrom to a second end. The substantially rigid member has on the body portion thereof edge means extending generally longitudinally thereof and adapted to engage the interior walls of an artery, or the like. Upon insertion of the device in an opened artery, the device insures the centering of a catheter attached thereto within the artery, supports the artery walls, upon turning of the device operates by way of the edge means to ream the artery interior, and deflects and guides a penetrating needle point during the patching operation.

Abstract: A method and apparatus for electric surgery includes generating oscillations of high frequency electric energy of substantially constant amplitude, controlling the duration of and spacing in time between each series of oscillations generated and applying the generated energy through an electrode for the purpose of making surgical incisions and coagulating blood at the point of incision. A common generator serves as a source of the electric energy for different surgical procedures, the duration and spacing between each series of oscillations being closely controlled according to their intended application and in such a way as to minimize power requirements and the possible hazards of use either to the doctor or to the patient.

Abstract: A dermatome for cutting thin organic tissue sections for transplanting, the dermatome comprising a thin resilient cutting band provided with a cutting surface disposed along a longitudinal edge of the cutting band. A T-shaped support member positions the cutting surface of the cutting band relative to the tissue sections. The head portion of the support member holds portions of the cutting band to determine the width of the cut tissue sections, the cutting band being held in a loop-like arrangement with the cutting surface extending along a bight portion thereof. The head portion of the support member also includes a guide element for determining the depth or thickness of the cut tissue sections, the guide element being disposed between the spaced apart cutting band portions and being spaced a preselected distance from the bight portion. Attachment elements are provided on the support member to permit connection of the support member to a handle member.

Abstract: An appliance for facilitating hair piece attachment includes a snap member. The snap member has a suture attached thereto and which is surgically inserted into the user's scalp to secure the snap thereonto. A surgical needle is, optionally, secured to the suture.

Abstract: A blade for a surgical saw having a handpiece, a chuck and drive means for reciprocating the chuck in an axial direction. The blade is long, relatively thin and has an integral ridge on one side thereof extending lengthwise thereof. The ridge is intermediate of and spaced from the lengthwise edges of the blade. The ridge is on one side only of the blade. A shank is secured to one end of the blade for engagement by the chuck.

Abstract: A corneal seal device is provided which, when placed in an incision in the eye, permits the insertion of a surgical tool or instrument through the device into the eye.The device includes a seal chamber which opens into a tube which is adapted to be sutured to the eye and serves as an entry passage for a tool. A sealable aperture in the chamber permits passage of the tool through the chamber into the tube and hence into the eye. The chamber includes inlet ports adapted to be connected to a regulated source of irrigation fluid which provides a safe intraocular pressure.