Medical instruments for treating cardiovascular diseases, namely, cardiovascular pumps and introducer sheaths for introducing catheter pumps, computer displays and computer monitors and controllers used in direct association with medical instruments for treating cardiovascular diseases
A catheter pump having a drive unit and a catheter. The catheter has a pump head for inserting into the aorta and having a rotatably arranged rotor shall for driving an expandable conveying element provided on the pump head and has, at the proximal end thereof, a coupling section, which is connected to the rotor shaft for conjoint rotation and which can be rotated about a coupling axis. The drive unit having a drive and a drive section, which can be driven in rotation about a drive axis by the drive, the coupling section and/or the drive section having magnet elements for contactless mutual rotational coupling. The coupling and drive axes being spaced from each other by a distance a in the perpendicular direction in such a way that the magnetic field of the magnet elements pushes the coupling section in a direction extending perpendicularly to the coupling axis.
A61M 60/135 - Implantable pumps or pumping devices, i.e. the blood being pumped inside the patient’s body implantable via, into, inside, in line, branching on, or around a blood vessel inside a blood vessel, e.g. using grafting
A61M 60/414 - Details relating to driving for non-positive displacement blood pumps the force acting on the blood contacting member being mechanical, e.g. transmitted by a shaft or cable generated by an electromotor transmitted by a rotating cable, e.g. for blood pumps mounted on a catheter
A61M 60/419 - Details relating to driving for non-positive displacement blood pumps the force acting on the blood contacting member being permanent magnetic, e.g. from a rotating magnetic coupling between driving and driven magnets
A catheter pump having a rotor shaft rotatably arranged in the inner catheter for driving an expandable conveyor element provided at the pump head. The conveyor element is rotatably mounted between a. distal hearing point and a proximal bearing point, wherein the outer catheter has a sleeve section on the distal end thereof surrounding the proximal bearing point, and wherein the proximal bearing point can be moved in the axial direction relative to the sleeve section in order to expand the conveyor element, wherein the proximal bearing point comprises a bearing receiver having a rotational bearing point for a rotary head rotationally fixed to the distal end of the rotor shaft, and a force application point at an axial distance to same for a force application section provided at the distal end of the inner catheter for axially moving the proximal bearing points relative to the sleeve section.
A61M 60/135 - Implantable pumps or pumping devices, i.e. the blood being pumped inside the patient’s body implantable via, into, inside, in line, branching on, or around a blood vessel inside a blood vessel, e.g. using grafting
A61M 60/148 - Implantable pumps or pumping devices, i.e. the blood being pumped inside the patient’s body implantable via, into, inside, in line, branching on, or around a blood vessel in line with a blood vessel using resection or like techniques, e.g. permanent endovascular heart assist devices
A61M 60/13 - Implantable pumps or pumping devices, i.e. the blood being pumped inside the patient’s body implantable via, into, inside, in line, branching on, or around a blood vessel by means of a catheter allowing explantation, e.g. catheter pumps temporarily introduced via the vascular system
A61M 60/237 - Non-positive displacement blood pumps including a rotating member acting on the blood, e.g. impeller the blood flow through the rotating member having mainly axial components, e.g. axial flow pumps
A61M 60/808 - Vanes or blades specially adapted for deformable impellers, e.g. expandable impellers
A61M 60/139 - Implantable pumps or pumping devices, i.e. the blood being pumped inside the patient’s body implantable via, into, inside, in line, branching on, or around a blood vessel inside a blood vessel, e.g. using grafting inside the aorta, e.g. intra-aortic balloon pumps
A61M 60/408 - Details relating to driving for non-positive displacement blood pumps the force acting on the blood contacting member being mechanical, e.g. transmitted by a shaft or cable
A flushing system for a catheter, in particular for a catheter of a catheter pump, comprising a supply line having a pump section, a discharge line having a pump section and a pump, wherein the diameter of the pump section of the discharge line is smaller than the diameter of the pump section of the supply conduit, the pump interacts with the pump section of the supply line for supplying flushing fluid to the catheter, and the pump interacts with the pump section of the discharge line for discharging flushing fluid from the catheter.
B08B 9/032 - Cleaning the internal surfacesRemoval of blockages by the mechanical action of a moving fluid, e.g. by flushing
F04B 43/12 - Machines, pumps, or pumping installations having flexible working members having peristaltic action
A61M 60/808 - Vanes or blades specially adapted for deformable impellers, e.g. expandable impellers
A61M 60/554 - Regulation using real-time blood pump operational parameter data, e.g. motor current of blood pressure
A61M 60/408 - Details relating to driving for non-positive displacement blood pumps the force acting on the blood contacting member being mechanical, e.g. transmitted by a shaft or cable
A61M 60/13 - Implantable pumps or pumping devices, i.e. the blood being pumped inside the patient’s body implantable via, into, inside, in line, branching on, or around a blood vessel by means of a catheter allowing explantation, e.g. catheter pumps temporarily introduced via the vascular system
A61M 60/226 - Non-positive displacement blood pumps including a rotating member acting on the blood, e.g. impeller the blood flow through the rotating member having mainly radial components
A catheter including a cage having a distal and proximal sleeves and filaments running between sleeves and an actuation portion comprises a base part that is movement-coupled with the inner catheter in the axial direction and an actuation part that can be moved relative to the base part in the axial direction and is guided in or on the base part, the outer catheter's proximal end having the actuation part and the outer catheter's distal end having the proximal sleeve are movement-coupled in the axial direction such that when moving the actuation part away from the base part, the proximal sleeve is moved toward the distal sleeve, the actuation part comprises an inlet for irrigation fluid to be transferred to bearing points of the conveying element, and the base part has an outlet for irrigation fluid coming from the bearing points.
A61M 60/135 - Implantable pumps or pumping devices, i.e. the blood being pumped inside the patient’s body implantable via, into, inside, in line, branching on, or around a blood vessel inside a blood vessel, e.g. using grafting
A61M 60/419 - Details relating to driving for non-positive displacement blood pumps the force acting on the blood contacting member being permanent magnetic, e.g. from a rotating magnetic coupling between driving and driven magnets
A61M 60/422 - Details relating to driving for non-positive displacement blood pumps the force acting on the blood contacting member being electromagnetic, e.g. using canned motor pumps
A catheter pump having a pump head for insertion into the arterial vasculature. The pump head comprises a conveying element, which can be moved from a folded-up insertion position, in which the pump head can be inserted into the arterial vasculature, into a folded-out operating position, and a cage surrounding the conveying element. The cage comprises a distal and a proximal sleeve as well as filaments extending between the sleeves, a support part coupled to the respective sleeve in the axial direction is provided in the region of the distal and/or the proximal sleeve, the support part comprises a peripheral groove, in which a ring element is held in the axial direction, and the sleeve comprises at least one recess, in which the sleeve is welded to the ring element.
A61M 60/135 - Implantable pumps or pumping devices, i.e. the blood being pumped inside the patient’s body implantable via, into, inside, in line, branching on, or around a blood vessel inside a blood vessel, e.g. using grafting
The invention relates to a flushing system (40) for a catheter (18), in particular for a catheter of a catheter pump (10), comprising a supply line (62) having a pump section (72), a discharge line (64) having a pump section (74) and a pump (52), wherein the diameter of the pump section of the discharge line is smaller than the diameter of the pump section of the supply conduit, the pump interacts with the pump section of the supply line for supplying flushing fluid to the catheter, and the pump interacts with the pump section of the discharge line for discharging flushing fluid from the catheter.
The invention relates to a catheter pump (10) having a pump head (12) for insertion into the arterial vasculature, wherein the pump head (12) comprises a conveying element (20), which can be moved from a folded-up insertion position, in which the pump head (12) can be inserted into the arterial vasculature, into a folded-out operating position, and a cage (28) surrounding the conveying element (20), wherein the cage (28) comprises a distal and a proximal sleeve (32, 34) as well as filaments (30) extending between the sleeves, a support part (36, 48) coupled to the respective sleeve (32, 34) in the axial direction is provided in the region of the distal and/or the proximal sleeve (32, 34), the support part (36, 48) comprises a peripheral groove (40, 50), in which a ring element (38, 2) is held in the axial direction, and the sleeve (32, 34) comprises at least one recess (42, 54), in which the sleeve (32, 34) is welded to the ring element (38, 52).
The invention relates to a catheter pump (10) having a pump head (12) for introducing into the arterial vasculature, an outer catheter (14), an inner catheter (16) arranged in the outer catheter (14), and a rotor shaft (18) rotatably arranged in the inner catheter (16) for driving an expandable conveyor element (20) provided at the pump head (12), wherein the conveyor element (20) is rotatably mounted between a distal bearing point (24) and a proximal bearing point (26), wherein the outer catheter (14) has a sleeve section (50) on the distal end thereof surrounding the proximal bearing point, and wherein the proximal bearing point can be moved in the axial direction relative to the sleeve section (50) in order to expand the conveyor element (20), wherein the proximal bearing point (26) comprises a bearing receiver (32) having a rotational bearing point (34) for a rotary head (40) rotationally fixed to the distal end (38) of the rotor shaft (18), and a force application point (36) at an axial distance to same for a force application section (46) provided at the distal end (44) of the inner catheter (16) for axially moving the proximal bearing points relative to the sleeve section (50).
The invention relates to a catheter pump having a drive unit and a catheter, the catheter having a pump head for inserting into the aorta and having a rotatably arranged rotor shaft for driving an expandable conveying element provided on the pump head, the catheter having, at the proximal end thereof, a coupling section, which is connected to the rotor shaft for conjoint rotation and which can be rotated about a coupling axis, and the drive unit having a drive and a drive section, which can be driven in rotation about a drive axis by the drive, the coupling section and/or the drive section having magnet elements for contactless mutual rotational coupling, and the coupling axis and the drive axis being spaced from each other by a distance a in the perpendicular direction in such a way that the magnetic field of the magnet elements pushes the coupling section in a direction extending perpendicularly to the coupling axis.
The invention relates to a catheter pump (10) having a catheter (14) and a pump head (16) for introduction into the aorta, comprising an outer catheter (34) and an inner catheter (36), a rotor shaft (38) for driving a conveying element (18) provided on the pump head (12) and having a surrounding cage (20), wherein the cage (20) has a distal and a proximal sleeve (22, 24) and filaments (26) running therebetween, wherein the proximal sleeve (22) can be moved to expand the cage (20) in the axial direction towards the distal sleeve (24). A base part (30) that is movement-coupled with the inner catheter (36) in the axial direction and an actuation part (32) that can be moved relative to the base part (30) in the axial direction and guided in or on the base part (30) are designed such that the movement of the actuation part (32) moves the proximal sleeve (22) towards the distal sleeve (24) and thereby expands the cage.
A catheter pump comprising a pump head for insertion into the aorta. The pump head includes: a rotor having propellers that can be displaced from a folded insertion position in which the pump head can be inserted into the aorta, to an unfolded operating position in which the rotor can be set in rotation, and a cage surrounding the propellers. The cage comprises a distal, proximal sheath and filaments running between sheaths. The sheaths are moved towards one another at or before the unfolding of the propellers in a manner that the regions of the filaments lying between the sheaths expand radially outward, to form a space surrounding the unfolded propellers. At least some or all of the filaments are configured so as to each have at least one main section that engages one sheath and splits into at least two minor sections in the direction toward the other sheath.
09 - Scientific and electric apparatus and instruments
10 - Medical apparatus and instruments
37 - Construction and mining; installation and repair services
42 - Scientific, technological and industrial services, research and design
Goods & Services
Engines and motors, the aforesaid goods for medical and
veterinary apparatus and instruments. Controllers (regulators) for medical and veterinary
apparatus and instruments; measuring, detecting and
monitoring instruments, indicators and controllers, sensors
and detectors, the aforesaid goods in relation to medical
technology; electric and electronic components, electric
cables and wires, the aforesaid goods for installation into
medical and veterinary apparatus and instruments. Medical and veterinary apparatus and instruments, in
particular cardiovascular instruments, pumps for medical
purposes, cardiovascular pumps; parts and fittings, included
in this class. Installation, cleaning, repair and maintenance in relation
to medical and veterinary apparatus and instruments and in
relation to controllers (regulators) for medical and
veterinary apparatus and instruments. Services in the fields of science and technology, as well as
related research and development of medical technology, in
particular in relation to cardiology.
a, 19) for anchoring the drive rotor (3) in the ascending aorta (11) near the aortic valve (10) after insertion. The invention also refers to a method to position the pumping means of a catheter pump in the ascending aorta (11) just above the aortic valve (10).
A catheter pump intended to be inserted in the circulatory system, for example for assisting the heart, including a hollow catheter, a sheath, a drive cable, a drive shaft, a propeller, a proximal housing, a distal housing, and several filaments. Axial movement of the sheath in relation to the catheter brings the distal housing closer to the proximal housing so that said filaments are unfolded to form a cage. The propeller is pivotable between a first folded position, in which the propeller is parallel with the drive shaft and an unfolded position in which the propeller is perpendicular to the drive shaft. Axial movement of the sheath in a first movement unfolds the cage and in a second subsequent movement, actuation pins of the sleeve act upon a cam surface that unfolds the propeller.
A catheter pump intended to be inserted in the circulatory system of a mammal, for example for assisting the heart. The catheter pump comprises: a hollow catheter (2); a drive cable (1) arranged in a lumen (6) of the catheter (2); a sheath (3) surrounding the hollow catheter (2); a drive shaft (5) connected to a distal end of the drive cable (1) to be rotated by the drive cable; a propeller (4) arranged at the drive shaft; and a cage (11) surrounding the propeller. The propeller and the cage are moveable from a folded position, wherein the catheter pump has a small cross-sectional dimension of about 3.3 mm to an unfolded position wherein the unfolded cage surrounds the unfolded propeller and the size of the cage is about 19.5 mm. The drive shaft comprises a distal bearing (24) and a proximal bearing (25). A purge system is arranged for passing fluid in a lumen (7) along the hollow catheter to the proximal bearing, for purging and lubrication of the proximal bearing. The fluid is returned outside the drive wire. A portion of the fluid is passed into channels (22) for passing fluid from the proximal bearing to the distal bearing, for purging and lubrication of the distal bearing.
A61M 1/00 - Suction or pumping devices for medical purposesDevices for carrying-off, for treatment of, or for carrying-over, body-liquidsDrainage systems
The invention refers to a catheter pump to be positioned in the ascending aorta (11) near the aortic valve (10) of a human being, comprising an elongated sleeve 6 with a drive cable (5) extending through the sleeve and connectable at its proximal end to an external drive source and a drive rotor near the distal end of the drive cable (5) mounted on a drive shaft (4) being connected with the drive cable (5), wherein the drive rotor consist of a propeller (3) being enclosed in a cage (2) and wherein the propeller (3) and the cage (2) are foldable from an insertion position close to the drive shaft (4) to an expanded working position, characterized by means (7, 7a, 2a, 19) for anchoring the drive rotor (3) in the ascending aorta (11) near the aortic valve (10) after insertion. The invention also refers to a method to position the pumping means of a catheter pump in the ascending aorta (11) just above the aortic valve (10).
A catheter pump intended to be inserted in the circulatory system of a mammal, for example for assisting the heart. The catheter pump comprises: a hollow catheter (2); a drive cable (1) arranged in a lumen (6) of the catheter (2); a sheath (3) surrounding the hollow catheter (2); a drive shaft (5) connected to a distal end of the drive cable (1) to be rotated by the drive cable; a propeller (4) arranged at the drive shaft; and a cage (11) surrounding the propeller. The propeller and the cage are moveable from a folded position, wherein the catheter pump has a small cross-sectional dimension of about 3.3 mm to an unfolded position wherein the unfolded cage surrounds the unfolded propeller and the size of the cage is about 19.5 mm. The drive shaft comprises a distal bearing (24) and a proximal bearing (25). A purge system is arranged for passing fluid in a lumen (7) along the hollow catheter to the proximal bearing, for purging and lubrication of the proximal bearing. The fluid is returned outside the drive wire. A portion of the fluid is passed into channels (22) for passing fluid from the proximal bearing to the distal bearing, for purging and lubrication of the distal bearing.
09 - Scientific and electric apparatus and instruments
10 - Medical apparatus and instruments
37 - Construction and mining; installation and repair services
Goods & Services
Electronic motors for control panels for heart pumps. Control panels with electronic motors and checking (supervision) apparatus for heart pumps. Surgical and medical instruments and apparatus, catheter-based heart pumps. Maintenance and repair of control panels with electronic motors for heart pumps.
