Abstract: A device for retrieval of defect closure devices, comprising a closure-catch catheter having at a distal end thereof a closure-catching device and at a proximal end thereof, a grip for operating the closure-catching. An elongated sheath having a lumen and is provided at the proximal end thereof with a lateral injection tube and hemostatic device. The catheter is moveably insertable in the lumen.

Abstract: The band 10 which stores little parts 20 in many storing dents 14 arranged along a longitudinal direction and packs the little parts 20 by covering surfaces of the storing dents 14 with a cover tape 30, and is made of a flexible material having a compress-forming nature, and comprises storing dents 14 which are compress-formed from a surface to a fixed depth in a thickness direction.

Abstract: A method for making an outer cannula of an intravenous cannula. An insert pin (3) is inserted into an outer cannula (1) having a hub (12) and a tube (11) made of a shape memory polyurethane resin and having an untreated distal end portion, until a tip end of the insert pin (3) reaches a position retracted from a distal end of the tube (11). While holding the position of the insert pin (3), the tube (11) with the insert pin (3) is forced into a cavity in a mold (4) heated to a temperature of 120.degree. C. to 180.degree. C. until the insertion of the tube into the cavity is obstructed. Subsequently, the insert pin (3) is moved within the tube (11) toward the extremity of the tube until the tip end of insert pin (3) reaches a first predetermined position in the mold (4). After maintaining the tube at the mold temperature until the tube is softened, the insert pin is further moved within the tube toward the extremity thereof and held in position for a certain period of time.

Abstract: A medical device having good surface lubricity in the wet condition, high frictional durability and surface lubricity stability includes a body and a smoothing or lublicating coating on a surface of the body. The coating is produced by applying a solution of a mixture of maleic anhydride high polymer and polyurethane having allophanate bond on a surface of the body, insolubilizing the resultant coating by heating, and then hydrophilizing the coating with a hydrophilizing agent such as ammonia, amine or alcohol.

Abstract: Disclosed is a device for intracardiac suture. The device includes a rod 3 provided with a grip member 31 at a proximal end thereof and having a flexible end portion; a piercing catheter 2 having a lumen 21 for movably holding the rod 3 and a flexible distal end portion with a piercing needle 25 at a distal end thereof, and provided with a hemostatic means 24 at a proximal end thereof; a sheath 1 having a lumen 11 for movably holding the piercing catheter 2 and provided with a hemostatic means 14 at a proximal end thereof; and an engaging member 4 which can be accommodated in the lumen 21 of the piercing catheter 2 and to which a suture can be fitted; wherein the engaging member 4 when accommodated in the piercing catheter 2 can be pushed out of the piercing catheter 2 by pushing said rod 3. The device is applicable to intracardiac suture for various configurations of ASD.

Abstract: A hemolyzing tube (A) having its interior (10) evacuated and containing a standard amount of a blood dissolving liquid (3) has a tubular body (2) whose closed bottom faces a top mouth closed with a stopper (1) capable of being pierced. The tube is usable with a cylindrical casing (C) having a double-ended needle (8) and also with an evacuated blood collection tube (B) that is for temporary accommodation in the casing. In the method of preparing a hemolysis blood sample, a small amount of blood sucked through the needle will enter the collection tube (B), and a residual amount of blood remaining in the needle will then be drawn into the hemolyzing tube (A) to produce in it a test sample subject to clinical examination of the blood.

Abstract: A self-administration device for liquid drugs, which can be filled in a short time without troubles such as leakage and is capable of a pushing operation in one-touch. The self-administration device for liquid drugs includes a casing 1; a port portion 2; a reservoir 3 having an open end which is closed by the port portion 2 and is capable of being restored to its original shape; and pushing means 4 for pushing the reservoir 3, wherein the reservoir 3 is pressed by the pushing means 4 to inject the liquid drug. The pushing means 4 includes a cylindrical member inserted slidably into the inner wall of the casing 1, and a spring member housed in the cylindrical member. The cylindrical member and the port position 2 are respectively provided with a male hook 425 and a female hook 25, for acting as detachable mutual engagement means.

Abstract: A fluid vessel which include a drug storing chamber, a capping member for hermetically sealing the mouth portion of the drug storing chamber, and a solvent chamber joined to the bottom of the drug storing chamber, wherein the drug storing chamber is provided with a communication hole at the bottom thereof for communicating with the solvent chamber and includes a protruding piece which hermetically seals the communication hole, protrudes into the drug storing chamber, and is movable so as to open the communication hole, while the capping member has an engaging portion to be engaged with the tip of the protruding piece whereby the protruding piece is moved to open the communication hole by rotation of the capping member. This vessel serves to simplify the manufacturing process and reduces the number of components, is readily disposed of, facilitates mixing the drug with the solvent, and is easy to store and handle in hospitals and other facilities.

Abstract: A needle which has decreased piercing resistance, which resistance does not increase by repeated piercing and of which a sterilizing means is not limited, is provided by the present invention. The needle is coated on its outside surface with a mixture of (1) a polyorganosiloxane having amino groups at both terminal ends reacted with an alkoxysilane having epoxy groups and (2) a non-reactive polyorganosiloxane which has a lower average degree of polymerization of its siloxane part than that of polyorganosiloxane (1).

Abstract: A method for washing a hollow fiber membrane used for blood dialysis, comprising washing the inner wall of the hollow fiber with a clearing solvent comprising, as a main component, a specific aliphatic hydrocarbon having a boiling point of 110-240.degree. C. and a flash point of not less than 21.degree. C. According to the present invention, the lipophilic liquid contained in the core part of the hollow fiber can be removed selectively without removing the glycerol filled in the pores of the hollow fiber membrane. In addition, the method of the present invention is free of the problems of flammability and pollution of global environment.

Abstract: The invention provides a carrier band of electronic parts, comprising: a band-type tape band 12, which has sprocket holes 13 and holes 14 at regular intervals; a one-side sticking tape 15, which is affixed to a back side of the tape band 12, wherein a sticking face of the tape is exposed from the holes 14 such that electronic parts A can be stuck at the sticking face of the tape and rolled up to a reel; and projecting portions 16, 16, which are formed in both side edges of a tape width direction of the holes 13 of the tape band 12 such that a distance between opposing pointed ends can be narrower than a width of the sticking tape 15, wherein both sides of the sticking tape 15 pushed up to an upper side of the holes 14 are supported by the projecting portions 16, 16.

Abstract: A holder for a blood collection needle includes a cylinder and a needle fixing mechanism disposed at a distal end wall of the cylinder. The needle fixing mechanism includes a first slider, a second slider, a retainer, and a frame. The first slider and the retainer have half female members integrally formed thereon. The first slider is movable toward the second slider such that the mechanism is in a closed state in which the first slider engages the frame such that the half female members come together to define a complete female member. The second slider is movable toward the first slider such that the mechanism is in an open state in which the first slider is disengaged from the frame. The frame is affixed to the cylinder so as to hold the first slider, the second slider, and the retainer on the end wall thereof.

Abstract: A uniaxial horizontal sensor wherein factors causing errors are eliminated having high resolution and reproducibility and stability of detection with which a high levelness of inclination angle zero can be secured by attitude control has a construction wherein an electrode holding body (1) made of an insulating material has an electrode chamber (11) having an encircling wall with an inner peripheral wall surface of a high three-dimensional surface roughness and of a surface of rotation shape obtained by rotating a circular arc line (AL) of a predetermined radius with a point (P) on a vertical line (V) as its center and bisected by the vertical line (V) about a horizontal center axis (H) intersecting orthogonally with the vertical line (V) and having a common electrode (2) projecting into the electrode chamber (11) in the same position as the vertical line (V) and peripheral electrodes (3) in left-right symmetrical positions on either side of the common electrode (2) and projecting further into the electrode c

Abstract: A flow rate control device which does not constitute an obstruction when it is connected to a liquid medicine continuous injector, which is not influenced by the body temperature of a patient and which can perform a priming operation of the liquid medicine continuous injector in a short period of time is disclosed. The control device is provided with a reservoir, a flow rate control tube and a release valve, which are preferably incorporated in a housing. The housing is provided with a through hole such that the reservoir can be pressed by a pressing means, and is also provided with a liquid medicine inlet and a liquid medicine outlet for the reservoir. A check valve is preferably provided in the liquid medicine inlet and the flow rate control tube and the release valve are provided in the liquid medicine outlet. The flow rate control tube and the release valve are provided coaxially with each other or in parallel with each other.

Abstract: Disclosed is an assembly catheter for intracardiac suture. The assembly catheter includes a hooking catheter 3 provided with a suture-hooking means 32 at a distal end and with a manipulating element (grip) 33 at a proximal end; a piercing catheter 2 having lumen 21 for movably holding the hooking catheter 3 and provided with a piercing needle 25 at a distal end and with a hemostatic valve 24 as a hemostatic means at a proximal end, the distal portion 28 of the piercing catheter adjacent to the piercing needle 25 being easily bendable; a sheath 1 having a lumen 11 for movably holding the piercing catheter 2 and provided with a hemostatic valve 14 as a hemostatic means at a proximal end; and a catheter-bending means 4 connected to the piercing needle 25 of the piercing catheter 2; in which the distal portion 28 of the piercing catheter 2 can be bent by the catheter-bending means 4. The catheter assembly is applicable to intracardiac suture for various configurations of ASD.

Abstract: A winged needle assembly including a cannula 1, a hub 2, a tube 3 and a cylindrical holder 4 provided with wings at the distal end thereof and retaining the hub therein. The hub 2 is slidable along the inner wall of the cylindrical holder 4 from a first position near the distal end of the cylindrical holder 4 up to a second position near the proximal end thereof. Further, between the hub 2 and the cylindrical holder 4, there are provided a first locking arrangement (21,41) for releasably locking the hub 2 at the first position of the cylindrical holder 4 and a second locking arrangement (22,42,23,43) for substantially unreleasably locking the hub 2 at the second position of the cylindrical holder 4. With the above structure, the edge of the needle can be smoothly retracted and protected within the cylindrical holder without any sense of frictional resistance to medical personnel using the needle while the wings are kept fixed to the skin of a patient.

Abstract: A multi-stage type flow rate switching device is provided which simplifies switching of flow paths and which rarely causes erroneous operation. The multi-stage type flow rate switching device includes a constant flow rate path 2 and a variable flow rate path 3 arranged in parallel between a liquid medicine flow inlet port 1 and a liquid medicine flow outlet port 4 where the variable flow rate path 3 can change the flow rate by means of a three-way stopcock 33. Although the flow rate can be switched in four stages when one variable flow rate path 3 is arranged as shown by FIG. 1, the flow rate can be switched in further multi-stages by providing two or more of the variable flow rate paths 3.

Abstract: A multi stage type flow rate switching device is provided which simplifies switching of flow paths and which rarely causes erroneous operation. The multi stage type flow rate switching device includes a liquid medicine flow inlet port 1 having branch paths 11, 12 and 13 on a downstream side, a liquid medicine flow outlet port 2 having branch paths 21, 22 and 23 on an upstream side and constant flow rate paths 31, 32 and 33 for connecting respective branch paths, and arranged in a housing 4 comprising a lid 41 and a housing main body 42. In the housing 4, there is provided clamping means 5 capable of selectively blocking the constant flow rate paths 31, 32 and 33.

Abstract: A catheter assembly includes a catheter 1 having a catheter hub 11 provided at proximal end thereof, a wing member 2 supporting the catheter 1, a tubular member 3 which is fixed to the wing member 2 and into which the catheter is slidably inserted, a sheath 4 slidably covering around the tubular member 3 and the catheter 1 and fixed to the catheter hub 11 coaxially with the catheter 1, and a piercing member 5 comprising a piercing needle 51 provided at distal end thereof, a wire 52 and a wire hub 53, where the piercing member 5 is slidably inserted into the catheter 1 such that the distal end of the piercing needle 5 is disposed to extend beyond the distal end of the catheter 1. A long accommodating tube 6 for accommodating a piercing member therein may be provided between the catheter hub 11 and the wire hub 53.

Abstract: A prefilled syringe comprises a barrel having at a distal end a needle-connecting portion and at the proximal end an open end, a plastic tubular container having a mouth and a flexible hollow cylindrical body and containing a liquid medicament previously charged therein, and a plunger inserted into the barrel through the open end thereof and slidably held therein. The tubular container is held in the barrel so that the mouth thereof is placed in a lumen of the needle-connecting portion of the barrel. The cylindrical body is peeled off from the inner wall of the barrel and squeezed into a space between the barrel and the plunger when the plunger is pushed into the barrel.