Class / Patent application number | Description | Number of patent applications / Date published |
623300160 | Having flexible diaphragm or chamber | 13 |
20110098807 | Total Artificial Heart System For Auto-Regulating Flow And Pressure Balance - The present invention provides a total artificial heart system for auto-regulating flow and pressure balance. In one embodiment the system comprises an atrial reservoir comprising inlets and outlets connectable to a mammalian cardiovascular system and at least first and second continuous pumps connected to the atrial reservoir. In further embodiments, the system comprises an atrial reservoir comprising at least two atrial chambers, and a means for transmitting fluid pressure between the atrial chambers. The means for transmitting fluid pressure include, but are not limited to a diaphragm, an interatrial window, a flexible membrane, a valve, a filter, or combinations thereof. In another embodiment, the means for transmitting fluid pressure comprises an implantable diaphragm comprising an outer rim attachable to biological tissue and a membrane anchored at its periphery by said outer rim. | 04-28-2011 |
20130079874 | Compensatory container - The invention concerns compensatory container ( | 03-28-2013 |
623300170 | Flexible diaphragm or chamber directly compressed by mechanical member | 4 |
20090192607 | ONE-PIECE HEART PROSTHESIS IMPLANTABLE IN AN ANATOMICAL POSITION - One-piece heart prosthesis implantable in an anatomical position. According to the invention, the artificial left and right ventricles ( | 07-30-2009 |
20140194985 | CONTROLLER AND POWER SOURCE FOR IMPLANTABLE BLOOD PUMP - Methods and apparatus for controlling the operation of, and providing power for and to, implantable ventricular assist devices which include a brushless DC motor-driven blood pump, are disclosed. In one embodiment, a control system for driving an implantable pump is provided. The digital processor is responsive to data associated with the operation of the pump received at the data transfer port, and from the program data stored in memory, (i) to determine therefrom, the identity of the pump, (ii) to determine therefrom, electrical characteristics and features of the identified pump, and (iii) to adaptively generate and apply to the data port, control signals for driving the identified pump. Latch mechanisms, an elongated flexible electrical cable with a strain relief segment, and a lower housing portion that is heavier than an upper housing portion, may also be provided with the control system. | 07-10-2014 |
623300190 | Reciprocating mechanical member attached to reciprocating drive means | 1 |
20140343672 | ARTIFICIAL HEART - An artificial heart, comprising an energy storage device, an actuator device and two pumping chambers, each with an inlet opening and an outlet opening, wherein each pumping chamber is bounded by at least one flexible wall and one rigid wall and the volume of each pumping chamber can is variable by deformation of the flexible wall by means of the actuator device, whereby the flexible wall, starting from a suction position in which the volume of the respective pumping chamber is at a maximum, can be converted to a pumping position in which the volume of the feed chamber is at a minimum by means of the actuator device, wherein the inlet opening and the outlet opening of each pumping chamber each have a non-return valve and the non-return valves can be reciprocally in an opened and a closed position, wherein the actuator device is located between the pumping chambers. | 11-20-2014 |
623300200 | Reciprocating mechanical member driven by pressurized working fluid | 1 |
20110202131 | HEART HELP DEVICE, SYSTEM, AND METHOD - The present invention relates to an implantable device for improving the pump function of the heart of a human patient by applying an external force on the heart muscle. The implantable device comprises at least one implantable pump device comprising: A fluid, A first reservoir having a first volume and at least one movable wall portion, for varying said first volume, and A second reservoir being in fluid connection with said first reservoir. Wherein said implantable pump device is adapted to allow free flow of fluid between said first reservoir and said second reservoir, and wherein said first reservoir, said second reservoir and said fluid connection forms a fully implantable closed pump device, and wherein said fully implantable closed pump device is adapted to transfer force from said first reservoir to said second reservoir. | 08-18-2011 |
623300210 | Flexible chamber or diaphragm dirrectly compressed by pressurized working fluid | 7 |
20080281412 | RIGID BODY AORTIC BLOOD PUMP IMPLANT - An implantable aortic blood pump includes a rigid body having wall extending along a long axis and defining an inflation port portion with an inflation aperture therethrough. The aperture is fluid communication with an inner surface of the body and on a fluid supply, the body is preferably independent of an external brace or an external stiffener, yet still has a cantilevered deformation of less than 8 millimeters in response to a 200 gram weight suspended from a front body edge. A deflecting structure of a membrane deflects in response to fluid pressure so as to pump blood when the pump is secured to a subject aorta. | 11-13-2008 |
20090204206 | DEVICE FOR RAPID CONNECTION BETWEEN A TOTALLY IMPLANTABLE HEART PROSTHESIS AND NATURAL AURICLES - Device for rapid connection between a totally implantable heart prosthesis and natural articles. According to the invention, said prosthesis comprises: fastening means ( | 08-13-2009 |
20090270981 | APPARATUS AND METHOD FOR PNEUMATICALLY DRIVING AN IMPLANTABLE MEDICAL DEVICE - A driver is disclosed for powering a pneumatically operated implantable device, such as an artificial heart with a left and a right ventricle. The driver includes a pair of compressors that each has a first and a second compression chamber. In a first mode of operation, both the first and the second compressor power the left and right ventricle of the artificial heart. In the event of a malfunction in the second compressor, the left and right ventricles of the artificial heart may be powered by the first compressor. Similarly, if a malfunction occurs in the first compressor, the artificial heart may be fully powered by the second compressor. | 10-29-2009 |
20120089226 | IMPLANTABLE ONE-PIECE HEART PROSTHESIS - Implantable one-piece heart prosthesis. According to the invention, the prosthesis comprises a main hydraulic actuator ( | 04-12-2012 |
20120130485 | PNEUMATIC OR HYDRAULIC CARDIAC ASSIST DEVICES - The embodiments relate to cardiac assist devices that comprise a jacket that wraps the exterior of the heart, where the jacket comprises one or more pneumatic or hydraulic bladders. The pneumatic or hydraulic bladders are linked to a pump, and the pump fills the bladders with fluid and withdraws the fluid in a cycle to match beats of the heart to assist contraction and pumping of the heart in systole or to assist expansion and filling of the heart in diastole. | 05-24-2012 |
20140107775 | CARDIAC TREATMENT SYSTEM - An assembly for providing localized pressure to a region of a patient's heart to improve heart functioning, including: (a) a jacket made of a flexible biocompatible material, the jacket having an open top end that is received around the heart and a bottom portion that is received around the apex of the heart; and (b) at least one inflatable bladder disposed on an interior surface of the jacket, the inflatable bladder having an inelastic outer surface positioned adjacent to the jacket and an elastic inner surface such that inflation of the bladder causes the bladder to deform substantially inwardly to exert localized pressure against a region of the heart. | 04-17-2014 |
20160250401 | PERISTALTIC PUMP AND PUMPING METHOD, IN PARTICULAR FOR USE AS IMPLANT | 09-01-2016 |