92 results about "Cardiac compression" patented technology

The present invention provides an implantable cardiac compression device comprising: an inflatable cardiac compression jacket configured when inflated to directly compress a heart and assist in displacing blood therefrom, a channel that connects the inflatable cardiac compression jacket and an expandable fluid reservoir configured to contain a fluid when displaced compresses the inflatable cardiac compression jacket, and a fluid driver operably connected to the inflatable cardiac compression jacket and to the expandable fluid reservoir, wherein the fluid driver is configured to inflate the cardiac compression jacket and to deflate the expandable fluid reservoir during systole of the heart; said driver is further configured to deflate the cardiac compression jacket and to inflate the expandable fluid reservoir during diastole of the heart.

Device (1) for monitoring cardiac compression being applied to a pateitn comprises a body to overlie and contact the sternum, preferably of width no greater than the width of the sternum. The device includes indidication means (9) responsive to the force applied to the body by the user for providing an indication of the cardiac compression applied to the sternum. Also disclosed is a resuscitation mask adapted to be place over the mouth of a patient, the mask includes a nostril closing means adapted to press against the sides of the nose to close the nostrils when the mask is sealed against the face of the patient.

The invention relates to a medical appliance, in particular to a voice prompt manual cardiopulmonary resuscitator used in first aid and rescue of cardiac arrest cases. The major technology adopts manual operation that: a user can hold a handle by hand to press down an adjustable pressing rod at a frequency of 100times / minute; thus, a pressing column is driven to move up and down 4 to 5cm, and a pressing rubber head presses the lower part of a breastbone to move up and down 4 to 5cm in the same way, thereby reaching the goal of cardiac compression; moreover, when moving up and down, the pressing column pulls an air-compressing rack and an air sac cover to move downwards periodically at a frequency of 10times / minute; and a ventilation change-over switch at the upper end of the air-compressing rack can be adjusted to ensure that 300 or 600ml air in an air sac enters the respiratory tract of a patient through a chassis air sac blow vent, an air division check valve, and the like; thus, an inspiratory process of the patient is completed. The voice prompt manual cardiopulmonary resuscitator has the advantages of simple structure, easy manufacturing, low price and no restriction on using condition.

The invention discloses an intensive care device. The intensive care device comprises a supporting box, a heart rate detector is arranged on one side in the supporting box, a conduit is arranged on one side of the heart rate detector, one end of the conduit extends and penetrates through the outer side of the supporting box, a suction cup is arranged at the end, on the outer side of the supporting box, of the conduit, and a heart rate sensor is arranged on one side of the suction cup. The pulse of a patient can be detected through a pulse detection device, and thus detection is more convenient; the heart rate of the patient can be detected through the heart rate detector, and thus detection of the heart rate of the patient is more convenient; a timed respirator can be used in the process of rescuing the patient, and the patient can be rescued when an emergency occurs; first-aid treatment can be conducted on the patient through a cardiac compression device. The intensive care device is simple in structure and easy and convenient to operate, and can monitor the patient, rescue the patient more timely and care the patient more comprehensively.

The present invention provides devices and methods for monitoring performance of minimally invasive direct cardiac massage. In particular, the present invention provides devices and methods which greatly facilitate proper performance of minimally invasive direct cardiac compression. Devices according to the present invention may comprise a handle, having a proximal end and a distal end, a structure attached to a distal end of the handle adapted to contact the pericardium or other heart surface to compress the heart, and a force transducer coupled to the handle and / or the structure to produce a signal which corresponds to an amount of force applied through the handle to the heart. A signal processor receives the force transducer signal and produces an output corresponding to the applied force. A display receives the output of the signal processor and produces a human decipherable indication based on the applied force.

The invention relates to an improved portable pneumatic cardiopulmonary resuscitator which is a medical apparatus only using high-pressure oxygen or air as a power source and working medium and can apply cardiopulmonary resuscitation to a patient with cardiac and respiratory arrest. The improved portable pneumatic cardiopulmonary resuscitator comprises a novel vertical and horizontal folded plate-shaped base, a vertical column with a locking device, a cardiac compression device, a breathing device and a control device, wherein the cardiac compression device mainly adopts an air cylinder; the breathing device comprises a breathing interface with an air oxygen mixer and an air passage automatic reducing valve, and a breathing mask; and the control device comprises several mechanical valves and delay resetting valves and a power divider. Because air valves installed on the improved portable pneumatic cardiopulmonary resuscitator adopt plate type connection, space can be saved; and the plate-shaped base which can be folded is also adopted, therefore, the improved portable pneumatic cardiopulmonary resuscitator can be used at both sides of a patient and is convenient for future carrying and storage.

The invention discloses a cardiac compression device for thoracic surgery first aid. The device is used for realizing the first aid of cardiopulmonary resuscitation for cardiac arrest patients. The device includes a pressing unit and a supporting unit; the pressing unit includes an inner shell and an outer shell which are in internal and external arrangement and threaded connection, a pressure barslidingly arranged in the inner shell, push-out springs arranged between the pressure bar and the inner shell, a press block arranged under the pressure bar, a pressing spring arranged between the pressure bar and the press block, a cam rotatably installed in the inner shell, and a motor for driving the cam; the cam can keep contacting with the upper end of the pressure bar under the action of the push-out springs; the supporting unit includes a horizontal stretching mechanism, a vertical stretching mechanism and locking mechanisms; the first end of the horizontal stretching mechanism is fixedly connected to the outer shell; the vertical stretching mechanism is fixedly connected to the second end of the horizontal stretching mechanism; the horizontal and vertical stretching mechanisms areprovided with the locking mechanisms. The device can conveniently realize the cardiac compression first aid on patients.

The present invention provides a combined direct cardiac compression and aortic counterpulsation device comprising: an inflatable direct cardiac compression jacket configured when inflated to directly compress a heart and assist in displacing blood therefrom, an aortic counterpulsation chamber configured when inflated to displace aortic volume for the purposes of causing a counterpulsation effect, and a driver operably connected to said inflatable direct cardiac compression jacket and to said aortic counterpulsation chamber, said driver is configured to inflate said direct cardiac compression jacket and to deflate said aortic counterpulsation chamber during systole of the heart; said driver is further configured to deflate said direct cardiac compression jacket and to inflate said aortic counterpulsation chamber during diastole of the heart.

The present invention provides a combined direct cardiac compression and aortic counterpulsation device comprising: an inflatable direct cardiac compression jacket configured when inflated to directly compress a heart and assist in displacing blood therefrom, an aortic counterpulsation chamber configured when inflated to displace aortic volume for the purposes of causing a counterpulsation effect, and a driver operably connected to said inflatable direct cardiac compression jacket and to said aortic counterpulsation chamber, said driver is configured to inflate said direct cardiac compression jacket and to deflate said aortic counterpulsation chamber during systole of the heart; said driver is further configured to deflate said direct cardiac compression jacket and to inflate said aortic counterpulsation chamber during diastole of the heart.

Systems and methods of enhancing cardiopulmonary circulation in a subject during resuscitation are provided. A signal is received responsive to an induced heart compression that is applied to the subject, for example during ventricular fibrillation, an asystolic condition, or cardiac arrest. Responsive to receipt of the signal, a muscle distal subject's heart is electrically stimulated to contract and expel blood into the venous blood flow toward a heart of the subject.

A cardiac compressor is used for realizing the first aid to a cardiac arrest patient. The compressor comprises a base, an upright rod fixed on the base, a bracket arranged on the upright rod, a firstpressing block arranged below the bracket and a pressing driving mechanism for driving the first pressing block to move up and down, wherein the bracket and the upright rod are slidably connected up and down and a lifting mechanism is arranged between the bracket and the upright rod; A movable box is slidably mounted on the bracket in the left-right direction and a lateral moving mechanism is arranged between the movable box and the bracket, A pressure bar is slidably mounted in the vertical direction in the movable box and a pressing driving mechanism is arranged between the pressure bar andthe movable box, An extension bar is fixed on the lower end of the pressing bar, a first pressing block is arranged below the extending bar and a compression spring is arranged between the first pressing block and the lower end of the pressing bar, a second pressing block is detachably installed on the outer side of the first pressing block, the first pressing block and the second pressing block are arranged inside and outside, and silica gel is wrapped outside the first pressing block and the second pressing block. The presser can effectively realize the first aid of cardiac compression to the patient.

A method and related apparatus for the minimally invasive implantation about a heart of at least a deployable device such as a heart assist device or cardiac compression device. The method comprises the steps of performing a left thoracotomy or subxiphoid incision; obtaining access to the pericardial sac; making a generally linear incision in the pericardial sac; positioning an assembly having an insertion aperture member with an upper ring and a lower ring or flange and insertion tube having therein a deployable device. The apparatus of the present invention includes an insertion aperture member having an upper ring and a lower ring or flange; and an insertion tube having therein a deployable device adapted to be deployed from the insertion tube inside the pericardial sac via a generally linear incision.

The invention discloses a first-aid cardiac compression device with uniform compression force for the cardiology department. The cardiac compression device comprises a flat plate and a compression block, wherein sliding blocks are slidably connected to the two sides of the top of the flat plate; lifting hydraulic cylinders are fixedly connected to the tops of the two sliding blocks; a U-shaped seat is fixedly connected between the top ends of the two lifting hydraulic cylinders; a sliding seat is slidably connected to the bottom of the inner wall of the U-shaped seat; a box body is fixedly connected to the bottom of the sliding seat; a fixing plate is fixedly connected between the top and the bottom of the inner wall of the box body; and a concentric-square-shaped frame is slidably connected to the front face of the fixing plate. The invention relates to the technical field of medical equipment. According to the first-aid cardiac compression device with the uniform compression force for the cardiology department, through cooperation of an adjustable-speed motor, a driving shaft, a missing gear and driving teeth, the concentric-square-shaped frame can be driven to reciprocate up anddown, the stable frequency can be kept to drive the compression block to conduct compression work, an operator does not need to conduct manual compression, uniform compression can be achieved, and the compression frequency can be freely adjusted, so that the compression effect is good.

The present invention provides methods, systems, kits, and devices that aid in the positioning of a direct cardiac compression device about the heart.