摘要:
A lead introducer includes an outer needle with an outer-needle body. The outer-needle body includes a bend of at least 5° permanently formed along a distal end portion of the outer-needle body. The bend facilitates insertion of the lead introducer into an epidural space of a patient. The outer-needle body defines an open channel extending along an entire length of the outer-needle body. An inner needle is slidable along the open channel of the outer needle. The inner needle includes an inner-needle body that defines a lumen extending along an entire length of the inner-needle body. A splittable member is disposable over the outer needle when the inner needle is disposed in the open channel of the outer needle. The splittable member is separatable from the inner and outer needles along at least one perforated region.
摘要:
A sheath having a proximal portion attached proximal to an anastomotic site. The sheath includes at least one biodegradable portion and at least one non-biodegradable portion. The sheath prevents anastomotic leakage of tissue luminal contents into the surrounding cavity. A method for using the sheath is also disclosed.
摘要:
The invention provides a surgical device for endoscopic surgery having the function of temporarily storing liquid (a first function), the function of keeping a physical space for surgery and a sufficient endoscopic field (a second function), and the function of protecting organs (a third function), and an insertion device for inserting the surgical device into a body. [Solving Means] The surgical device for endoscopic surgery is an inter-organ spacer (10) including liquid holding means (1) formed of a porous soft material having the ability to temporarily store liquid and the ability to retain its shape. The insertion device for inserting the inter-organ spacer into a body includes a tubular holder capable of holding the inter-organ spacer for endoscopic surgery.
摘要:
A system for delivering an injectable material to a site within a mammal, the system comprising a cannula and a needle. The cannula defining an aperture in a side wall thereof and comprising an angled ramp platform disposed within the cannula proximate to the aperture that extends proximally and inwardly away from proximate the distal end of the aperture. The needle is longitudinally movable within the cannula between a withdrawn position, at which a tip of the needle is stored within the cannula, to an extended position, at which the tip of the needle extends through the aperture of the cannula a predetermined distance from the side wall of the cannula. In one aspect, the system also includes a supply of injectable biocompatible bulking composition for controlling vesicoureteral reflux that is operatively connected to the needle.
摘要:
An apparatus (10) and method for forming and enlarging percutaneous penetrations comprises an elongate dilation member (30) which receives an elongate expansion member in an axial lumen thereof. The dilation tube includes a tubular braid (26) which usually comprises a mesh of non-elastic filaments which are radially expandable from a small diameter configuration to a large diameter configuration and which is optionally covered by a removable sheath.
摘要:
A medical suture material to be fitted to an autoclip applier having staple lines. The material comprises a main suture material superposed on a shape-retentive support material made of a rigid film or sheet, and the suture material and the support material are sewn together with a suture along both longitudinal edges so as to form a tube capable of being fitted to an autoclip applier having staple lines. The main suture material comprises materials having flexibility and stretchability to some extent, such as nonwoven fabrics like felt, woven fabrics or knits, and particular examples thereof include bioabsorbable polymers such as polyglycolic acid and certain biological tissues. The support material comprises materials having such a rigidity as to withstand deformations caused by some forces, and examples thereof include sheetlike and filmy plastic, metal and paper.
摘要:
A multifunctional device (16) for use in an endoscopically performed operative procedure of the type where a narrow portal is established through the skin to provide access to an operative site and the multifunctional device (16) is introduced to the operative site through the narrow portal. The multifunctional device is formed of an absorbent material (18), preferably expandable, having a substantially rigid dry state prior to introduction to the operative site and a soft, flexible wet state after absorbing fluids. The absorbent material can be formed with a spine (20) therein of either a continuous or a discontinuous, segmented construction, and the spine can be branched and tubular or solid. The absorbent material can have portions or segments thereof expandable to different sizes to produce rounded protuberances to facilitate manipulation at the operative site and can have predetermined, non-straight configurations in the wet state.
摘要:
A medical suture material to be fitted to an autoclip applier having staple lines. The material comprises a main suture material superposed on a shape-retentive support material made of a rigid film or sheet, and the suture material and the support material are sewn together with a suture along both longitudinal edges so as to form a tube capable of being fitted to an autoclip applier having staple lines. The main suture material comprises materials having flexibility and stretchability to some extent, such as nonwoven fabrics like felt, woven fabrics or knits, and particular examples thereof include bioabsorbable polymers such as polyglycolic acid and certain biological tissues. The support material comprises materials having such a rigidity as to withstand deformations caused by some forces, and examples thereof include sheetlike and filmy plastic, metal and paper.
摘要:
An apparatus (10) and method for forming and enlarging percutaneous penetrations comprises an elongate dilation member (30) which receives an elongate expansion member in an axial lumen thereof. The dilation tube includes a tubular braid (26) which usually comprises a mesh of non-elastic filaments which are radially expandable from a small diameter configuration to a large diameter configuration and which is optionally covered by a removable sheath.