摘要:
A system comprising: a hollow tube having a distal end, a proximal end, and a lumen extending between the distal end and the proximal end; at least a portion of the tube comprising a porous membrane; and a gas-rich perfluorocarbon solution incorporated in the porous membrane; wherein the porous membrane has a porosity in the range of 0.001-200 microns, in order that: (i) the gas-rich perfluorocarbon solution is effectively incorporated into the porous membrane; and (ii) when the porous membrane is positioned in blood, the gas-rich perfluorocarbon solution elutes out of the porous membrane, in aggregations small enough to prevent the creation of embolisms in the blood, with the elution of the gas-rich perfluorocarbon solution into the blood varying between minutes and several hours, depending on the temperature and the hemodynamics of the blood.A novel medical wire is also disclosed herein.
摘要:
A system comprising: a hollow tube having a distal end, a proximal end, and a lumen extending between the distal end and the proximal end; at least a portion of the tube comprising a porous membrane; and a pharmacological agent incorporated in the porous membrane; wherein the porous membrane has a porosity such that: (i) the pharmacological agent is effectively incorporated into the porous membrane; and (ii) when the porous membrane is positioned in blood, the pharmacological agent elutes out of the porous membrane at a rate which matches the desired rate of dosage for the pharmacological agent.
摘要:
The invention relates to a device for introducing a medical instrument into a closed container (2). The device is characterized in that it has a penetration means (11) for penetration of a container wall and a guiding unit (12) is adjacent to the penetration means (11), wherein the penetration means (11) and the guiding unit (12) have a common passage (10) for the introduction of a medical instrument (3) and the passage (10) has at least temporarily a narrowing.
摘要:
The present invention comprises a vascular filter system for non-permanent application which is provided with a guide wire, a filter membrane having an inner area provided in the area of the proximal end of the guide wire and a free outer area, and an umbrella structure provided at least on the outer area of the filter membrane, made of a flexible material and permitting opening and closing of the umbrella formed by the umbrella structure and filter membrane, characterized in that the system has contactless structure for closing the umbrella. The structure can be of a magnetic nature or involve mechanisms based on temperature changes.
摘要:
The invention relates to a cover (1) for a medical instrument (3), which is characterized in that the cover (1) is a generally pipe-shaped body and consists of one single tape (11) which extends generally helicoidally about the axis of the pipe-shaped body. The invention furthermore relates to a process for applying a cover (1) onto a medical instrument (3) as well as to a medical instrument (3) which is provided with a cover (1).
摘要:
The present invention relates to a system for introduction of an agent into a blood vessel (G), wherein the system (1) comprises a wire (10) having a proximal end (114, 121) and a distal end (112) as well as lumen (115) extending between these ends, wherein the system is characterized in that a matrix (13) for release of the agent is provided within the lumen (115), wherein the matrix (13) extends over at least part of the length of the wire (10). Thereby an oxygenation system for cerebral vessels can be provided.
摘要:
A system comprising: a hollow tube having a distal end, a proximal end, and a lumen extending between the distal end and the proximal end; at least a portion of the tube comprising a porous membrane; and a gas-rich perfluorocarbon solution incorporated in the porous membrane; wherein the porous membrane has a porosity in the range of 0.001-200 microns, in order that: (i) the gas-rich perfluorocarbon solution is effectively incorporated into the porous membrane; and (ii) when the porous membrane is positioned in blood, the gas-rich perfluorocarbon solution elutes out of the porous membrane, in aggregations small enough to prevent the creation of embolisms in the blood, with the elution of the gas-rich perfluorocarbon solution into the blood varying between minutes and several hours, depending on the temperature and the hemodynamics of the blood.
摘要:
A device for protecting cerebral vessels or brain tissue during treatment of a carotid vessel includes a catheter having a distal portion, a proximal portion and a lumen extending therebetween, the catheter including first and second expandable areas for vessel occlusion provided over the length of the catheter. The device further includes an elongate stretching member insertable longitudinally through the lumen of the catheter, the elongate stretching member being configured for stretching at least a portion of the catheter and causing the first and second expandable areas to transition from an expanded state to a collapsed state, and wherein the elongate stretching member is retracted proximally relative to the catheter causes the first and second expandable areas to transition from the collapsed state to a radially, or laterally expanded state.
摘要:
The invention relates to a hygiene protection for endoscopes having at least one working channel (14), wherein the hygiene protection (2) comprises on its distal end a cap (15) with a working channel tube (17) arranged thereon and a protective sheath (21) connected to the cap (15). The hygiene protection is characterized in that the working channel tube (17) is arranged at the cap (15) with a distance to the circumference of the cap (15). Furthermore an endoscope (1) and a method for applying a hygiene protection (2) onto an endoscope (1) are described.
摘要:
An apparatus for inserting particles (P) into a tissue (G), in particular a muscle tissue, wherein the apparatus (10) essentially represents a tubular body (7) with one closed end and comprises at least one sleeve (8), at least one positioning element (1), at least one outlet area (2), which extends over the entire circumference of the tubular body (7), at least one thrust means (4) for the particles (P), as well as an actuating device for the outlet area (2), and wherein the outlet area (2) is formed by a plurality of flexible elements (6), which are at least attached to the sleeve (8), which butts against the outlet area (2) in the axial direction, or the positioning element (1) in such a way, that in a tense condition the diameter of the outlet area (2) is larger than the diameter of the sleeve (8), and openings are present between the elements (6).