Classifications

• • A—HUMAN NECESSITIES
  • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
  • A61H—PHYSICAL THERAPY APPARATUS, e.g. DEVICES FOR LOCATING OR STIMULATING REFLEX POINTS IN THE BODY; ARTIFICIAL RESPIRATION; MASSAGE; BATHING DEVICES FOR SPECIAL THERAPEUTIC OR HYGIENIC PURPOSES OR SPECIFIC PARTS OF THE BODY
  • A61H31/00—Artificial respiration or heart stimulation, e.g. heart massage
  • A61H31/004—Heart stimulation
  • A61H31/005—Heart stimulation with feedback for the user
• • A—HUMAN NECESSITIES
  • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
  • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
  • A61B5/00—Measuring for diagnostic purposes; Identification of persons
  • A61B5/24—Detecting, measuring or recording bioelectric or biomagnetic signals of the body or parts thereof
  • A61B5/316—Modalities, i.e. specific diagnostic methods
  • A61B5/318—Heart-related electrical modalities, e.g. electrocardiography [ECG]
  • A61B5/33—Heart-related electrical modalities, e.g. electrocardiography [ECG] specially adapted for cooperation with other devices
• • A—HUMAN NECESSITIES
  • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
  • A61H—PHYSICAL THERAPY APPARATUS, e.g. DEVICES FOR LOCATING OR STIMULATING REFLEX POINTS IN THE BODY; ARTIFICIAL RESPIRATION; MASSAGE; BATHING DEVICES FOR SPECIAL THERAPEUTIC OR HYGIENIC PURPOSES OR SPECIFIC PARTS OF THE BODY
  • A61H31/00—Artificial respiration or heart stimulation, e.g. heart massage
  • A61H31/004—Heart stimulation
  • A61H31/006—Power driven
• • A—HUMAN NECESSITIES
  • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
  • A61H—PHYSICAL THERAPY APPARATUS, e.g. DEVICES FOR LOCATING OR STIMULATING REFLEX POINTS IN THE BODY; ARTIFICIAL RESPIRATION; MASSAGE; BATHING DEVICES FOR SPECIAL THERAPEUTIC OR HYGIENIC PURPOSES OR SPECIFIC PARTS OF THE BODY
  • A61H31/00—Artificial respiration or heart stimulation, e.g. heart massage
  • A61H31/008—Supine patient supports or bases, e.g. improving air-way access to the lungs
• • A—HUMAN NECESSITIES
  • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
  • A61H—PHYSICAL THERAPY APPARATUS, e.g. DEVICES FOR LOCATING OR STIMULATING REFLEX POINTS IN THE BODY; ARTIFICIAL RESPIRATION; MASSAGE; BATHING DEVICES FOR SPECIAL THERAPEUTIC OR HYGIENIC PURPOSES OR SPECIFIC PARTS OF THE BODY
  • A61H9/00—Pneumatic or hydraulic massage
  • A61H9/005—Pneumatic massage
  • A61H9/0078—Pneumatic massage with intermittent or alternately inflated bladders or cuffs
• • A—HUMAN NECESSITIES
  • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
  • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
  • A61B5/00—Measuring for diagnostic purposes; Identification of persons
  • A61B5/02—Detecting, measuring or recording pulse, heart rate, blood pressure or blood flow; Combined pulse/heart-rate/blood pressure determination; Evaluating a cardiovascular condition not otherwise provided for, e.g. using combinations of techniques provided for in this group with electrocardiography or electroauscultation; Heart catheters for measuring blood pressure
  • A61B5/0205—Simultaneously evaluating both cardiovascular conditions and different types of body conditions, e.g. heart and respiratory condition
• • A—HUMAN NECESSITIES
  • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
  • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
  • A61B5/00—Measuring for diagnostic purposes; Identification of persons
  • A61B5/02—Detecting, measuring or recording pulse, heart rate, blood pressure or blood flow; Combined pulse/heart-rate/blood pressure determination; Evaluating a cardiovascular condition not otherwise provided for, e.g. using combinations of techniques provided for in this group with electrocardiography or electroauscultation; Heart catheters for measuring blood pressure
  • A61B5/024—Detecting, measuring or recording pulse rate or heart rate
• • A—HUMAN NECESSITIES
  • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
  • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
  • A61B5/00—Measuring for diagnostic purposes; Identification of persons
  • A61B5/24—Detecting, measuring or recording bioelectric or biomagnetic signals of the body or parts thereof
  • A61B5/316—Modalities, i.e. specific diagnostic methods
  • A61B5/318—Heart-related electrical modalities, e.g. electrocardiography [ECG]
• • A—HUMAN NECESSITIES
  • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
  • A61H—PHYSICAL THERAPY APPARATUS, e.g. DEVICES FOR LOCATING OR STIMULATING REFLEX POINTS IN THE BODY; ARTIFICIAL RESPIRATION; MASSAGE; BATHING DEVICES FOR SPECIAL THERAPEUTIC OR HYGIENIC PURPOSES OR SPECIFIC PARTS OF THE BODY
  • A61H2201/00—Characteristics of apparatus not provided for in the preceding codes
  • A61H2201/01—Constructive details
  • A61H2201/0103—Constructive details inflatable
• • A—HUMAN NECESSITIES
  • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
  • A61H—PHYSICAL THERAPY APPARATUS, e.g. DEVICES FOR LOCATING OR STIMULATING REFLEX POINTS IN THE BODY; ARTIFICIAL RESPIRATION; MASSAGE; BATHING DEVICES FOR SPECIAL THERAPEUTIC OR HYGIENIC PURPOSES OR SPECIFIC PARTS OF THE BODY
  • A61H2201/00—Characteristics of apparatus not provided for in the preceding codes
  • A61H2201/12—Driving means
  • A61H2201/1238—Driving means with hydraulic or pneumatic drive
• • A—HUMAN NECESSITIES
  • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
  • A61H—PHYSICAL THERAPY APPARATUS, e.g. DEVICES FOR LOCATING OR STIMULATING REFLEX POINTS IN THE BODY; ARTIFICIAL RESPIRATION; MASSAGE; BATHING DEVICES FOR SPECIAL THERAPEUTIC OR HYGIENIC PURPOSES OR SPECIFIC PARTS OF THE BODY
  • A61H2201/00—Characteristics of apparatus not provided for in the preceding codes
  • A61H2201/16—Physical interface with patient
  • A61H2201/1602—Physical interface with patient kind of interface, e.g. head rest, knee support or lumbar support
  • A61H2201/165—Wearable interfaces
• • A—HUMAN NECESSITIES
  • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
  • A61H—PHYSICAL THERAPY APPARATUS, e.g. DEVICES FOR LOCATING OR STIMULATING REFLEX POINTS IN THE BODY; ARTIFICIAL RESPIRATION; MASSAGE; BATHING DEVICES FOR SPECIAL THERAPEUTIC OR HYGIENIC PURPOSES OR SPECIFIC PARTS OF THE BODY
  • A61H2201/00—Characteristics of apparatus not provided for in the preceding codes
  • A61H2201/50—Control means thereof
  • A61H2201/5007—Control means thereof computer controlled
• • A—HUMAN NECESSITIES
  • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
  • A61H—PHYSICAL THERAPY APPARATUS, e.g. DEVICES FOR LOCATING OR STIMULATING REFLEX POINTS IN THE BODY; ARTIFICIAL RESPIRATION; MASSAGE; BATHING DEVICES FOR SPECIAL THERAPEUTIC OR HYGIENIC PURPOSES OR SPECIFIC PARTS OF THE BODY
  • A61H2230/00—Measuring physical parameters of the user
  • A61H2230/04—Heartbeat characteristics, e.g. E.G.C., blood pressure modulation
• • A—HUMAN NECESSITIES
  • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
  • A61H—PHYSICAL THERAPY APPARATUS, e.g. DEVICES FOR LOCATING OR STIMULATING REFLEX POINTS IN THE BODY; ARTIFICIAL RESPIRATION; MASSAGE; BATHING DEVICES FOR SPECIAL THERAPEUTIC OR HYGIENIC PURPOSES OR SPECIFIC PARTS OF THE BODY
  • A61H2230/00—Measuring physical parameters of the user
  • A61H2230/08—Other bio-electrical signals
• • A—HUMAN NECESSITIES
  • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
  • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
  • A61M2209/00—Ancillary equipment
  • A61M2209/08—Supports for equipment
  • A61M2209/082—Mounting brackets, arm supports for equipment
• • A—HUMAN NECESSITIES
  • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
  • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
  • A61M2209/00—Ancillary equipment
  • A61M2209/08—Supports for equipment
  • A61M2209/084—Supporting bases, stands for equipment

Definitions

• the present invention relates generally to a counter pulsation apparatus.
• the present invention relates to an external counter pulsation apparatus that is capable of reducing the energy consumed or noise or heat generated during the operation and improving the effectiveness of the counter pulsation treatment.
• the present invention relates to a compact, mobile external counter pulsation apparatus that can be conveniently transported to the patient's location for carrying out the counter pulsation treatment.
• External counter pulsation devices have been used as non-invasive, safe, and effective means to treat various ischemic diseases, such as cardiac diseases caused by cardiac ischemia and stroke and paralysis caused by cerebral ischemia.
• ischemic diseases such as cardiac diseases caused by cardiac ischemia and stroke and paralysis caused by cerebral ischemia.
• external counter pulsation devices There are two types of external counter pulsation devices: fixed and mobile.
• Fixed counter pulsation devices are pre-installed and include a specially designed treatment bed installed in a treatment room, a control unit, and a pump house. The patient is treated in the treatment room on the treatment bed. Due to their immobility, fixed type counter pulsation devices are limited in their use. For example, fixed type counter pulsation devices are inconvenient for or incapable of treating patients with acute condition right after CT diagnosis in emergency rooms.
• a mobile counter pulsation device In a mobile counter pulsation device, the control computer, the pump, and the counter pulsation valve set are carried by a mobile cart. Accordingly, mobile counter pulsation devices can be conveniently transported to a patient's location, such as a regular patient room, for count pulsation treatment. However, mobile counter pulsation devices tend to generate high noise and/or heat, which not only wastes energy but also disturbs the patients.
• an external counter pulsation device that has a reduced energy consumption and/or noise and/or heat during the operation. It is also desirable to provide an external counter pulsation device that has an increased mobility for convenient transportation to a patient's location for counter pulsation treatment. It is further desirable to provide an external counter pulsation device of a compact size to increase the mobility.
• the present invention provides such an external counter pulsation device.
• the counter pulsation apparatus can comprise a pump member for supplying a fluid medium and a valve member for selectively allowing the fluid medium to inflate or deflate a fluid pouch, which is adapted to be mounted onto a body portion of the patient.
• An output variation device can be provided to maintain the fluid medium at a predetermined pressure value prior to the pouch inflation.
• the counter pulsation apparatus can comprise a control device for generating a control signal to control the valve member operation in accordance with a physical signal of the patient.
• the external counter pulsation apparatus of the invention can reduce energy consumed and/or minimize heat and/or noise generated by the pump member.
• the present invention also relates to an external counter pulsation apparatus that can have an increased mobility.
• an external counter pulsation apparatus that can have an increased mobility.
• either the entire or a part of the external counter pulsation apparatus can be movable to the patient's location to carry out the external counter pulsation treatment.
• a carrier member can be provided to facilitate the transportation of one or more of the pump member, the valve member, the control device, the output variation device, and the physical signal receiver.
• the external counter pulsation apparatus can have a compact size to facilitate the mobility.
• Fig. 1 illustrates the control diagram of the external counter pulsation apparatus of the invention
• Fig. 2 is a side view of an external counter pulsation apparatus of the invention.
• Fig. 3 is a top view of the external counter pulsation apparatus as shown in
• the counter pulsation apparatus of the invention can comprise a pump member adapted to supply a fluid medium, which can be used to inflate a fluid pouch to be wrapped onto a patient's body for a counter pulsation treatment.
• the fluid medium output from the pump member can be varied, such as by an output variation device, to thereby maintain the fluid medium at a predetermined pressure prior to the pouch inflation process.
• the output variation device can operate to increase the output of the pump member. Additionally or alternatively, when the fluid medium pressure exceeds the predetermined value, the output of the pump member can be reduced accordingly.
• the counter pulsation apparatus is capable of reducing energy consumed and minimizing heat and/or noise generated by the pump member.
• the counter pulsation apparatus of the invention can have a compact structure and be entirely or partially movable.
• a carrier member can be provided to move one or more components of the counter pulsation apparatus. Accordingly, the counter pulsation apparatus can be conveniently transported to the patient's location to carry out the counter pulsation treatment.
• the external counter pulsation apparatus 10 can comprise a control device 20.
• the control device 20 can be adapted to generate one or more control signals to control the operation of the counter pulsation apparatus 10.
• the control device 20 can generate a control signal to vary the output of the pump member as will be described below.
• the control device 20 can generate a control signal, such as in accordance with the patient's physical condition, to control the operation of a valve member as will be described below.
• control device 20 can comprise a computer device.
• the computer device 20 can comprise a program enabling the computer device 20 to generate one or more control signals as will be described below.
• the computer device 20 can comprise a monitor 22 for displaying one or more of the physical signals, the control signals, and other patient and treatment information. It will be appreciated that various alternate embodiments of the control device 20 are also within the scope of the invention.
• Various physical signals can be used for controlling the operation of the counter pulsation apparatus 10.
• Such physical signals can include those that can indicate the physical condition of the patient.
• the physical signal can be an electrographic signal, such as an electrocardiographic signal, of the patient.
• the physical signal can be a pulse signal, such as the temporal arterial pulse signal, of the patient.
• both electrographic and pulse signals of the patient can be used by the control device 20 to generate control signals.
• a receiver 30 can be used for receiving a physical signal of the patient and transmitting the same to the control device 20. Depending on the type of the physical signal used in the counter pulsation treatment, the receiver 30 can be adapted accordingly.
• the receiver 30 can be an electrographic receiver for receiving an electrographic signal of the patient.
• the receiver 30 can be an electrocardiographic receiver for receiving an electrocardiographic signal of the patient.
• the receiver 30 can be formed as a telemetry receiver or a wireless receiver, such as an electrocardiograph telemeter. It will be appreciated that various alternate embodiments of the receiver 30 are also within the scope of the invention.
• a detection device 40 can be provided to obtain one or more physical signals from the patient.
• the detection device 40 can comprise one or more electrodes or probes 42 for measuring one or more physical signals from the patient.
• an electrode 42 is provided to measure the patient's electrographic signal, such as an electrocardiographic signal.
• a probe 42 can be provided to measure the patient's temporal arterial pressure.
• the detection device 40 can comprise a transmitter 44 for transmitting the detected physical signal to the receiver 30.
• the transmitter 44 can comprise one or more lead members 46 for transmitting the measured physical signal to the receiver 30.
• a telemeter transmitter 44 can be used to transmit the physical signal in a wireless manner. It will be appreciated that various alternate embodiments of the detection device 40, the electrode or probe 42, and/or the transmitter 40 are also within the scope of the invention.
• the pump member 50 can be of various types for supplying a fluid medium to be used for inflating a fluid pouch.
• the pump member 50 can comprise an air compressor.
• the fluid medium produced can be gas.
• the pump member 50 can be adapted to be capable of operating in more than one mode to thus vary the fluid medium output as described below. It will be appreciated that various alternate embodiments of the pump member 50 are also within the scope of the invention.
• the fluid medium supplied by the pump member 50 can have a pressure value.
• the value of the fluid medium pressure can be affected by the amount of the fluid medium produced by the pump member 50 and/or the amount of fluid medium used for inflating the valve member. For example, when conducting an external counter pulsation treatment for a patient with a high heart rate, a more frequent pouch inflation and deflation can be needed. Consequently, the fluid medium pressure can fall below the predetermined pressure value.
• the fluid medium produced by the pump member 50 can be accumulated and kept in a fluid storage member prior to the pouch inflation process.
• the fluid medium pressure can be the pressure value inside the fluid storage member.
• the fluid medium pressure can be maintained within a range of a predetermined pressure value prior to the pouch inflation process.
• the predetermined pressure value can be determined based on the patient conditions (e.g., age, health condition, etc.), types of treatment (e.g., cardiac ischemia, cerebral ischemia, etc.), or other factors.
• Such predetermined pressure value can be within a range and still suitable for the external counter pulsation treatment.
• the predetermined pressure value can be in the range of about 0.035 to about 0.040 MPa.
• a pressure adjustment member 60 can be provided so that a user can change the value of the predetermined pressure value.
• Various pressure adjustment member 60 can be provided so that a user can change the value of the predetermined pressure value.
• the output of the pump member 50 can be varied to adjust the fluid medium pressure.
• the pump member 50 is capable of changing its operation mode to vary the fluid medium output.
• an output variation device 70 can be employed to vary the fluid medium output from the pump member 50.
• the output variation device 70 can increase the fluid medium production when the fluid medium pressure falls under a predetermined pressure value.
• the output variation device 70 can reduce the fluid medium production when the fluid medium pressure exceeds the predetermined value. Accordingly, the output variation device 70 is capable of reducing energy consumed and/or minimizing heat and/or noise generated during the operation, such as by the pump member 50.
• the output variation device 70 can operate in accordance with a control signal generated by the control device 20.
• the control device 20 can detect the difference between the fluid medium pressure and the predetermined pressure value and generate a control signal.
• the output variation device 70 can be adapted to receive such control signal and adjust the fluid medium output of the pump member 50 accordingly.
• the output variation device 70 can be various conventional devices that are capable of varying the pump output.
• the output variation device 70 can be determined in accordance with the type of the pump member 50.
• the output variation device 70 can be adapted to change the rotation speed of the compressor 50. Accordingly, the air pressure can be adjusted to a desired value.
• the output variation device 70 can comprise a frequency variation device.
• Such frequency variation device 70 can be adapted to control the operation of the pump member 50 to vary its fluid medium output.
• the frequency variation device 70 can vary the frequency of a pump motor.
• the frequency variation device 70 can comprise an AC drive and an electric motor regulated by such AC drive. It will be appreciated that various alternate embodiments of the output variation device or the frequency variation device 70 are also within the scope of the invention.
• a noise reduction device such as a muffler
• a cooling device such as a radiator, (not shown) can be incorporated in the counter pulsation apparatus 10 to reduce the temperature of the fluid medium output from the pump member 50.
• the cooling process can be carried out prior to the inflation of the fluid pouch.
• a valve member 80 can be provided to control the pouch inflation process.
• the valve member 80 can be adapted to selectively allow the fluid medium to flow from the pump member 50 to one or more fluid pouches.
• the valve member 80 can comprise a plurality of valve outlets to allow the fluid medium to enter the corresponding fluid pouches.
• the valve member 80 can comprise a plurality of valve elements, each corresponding to a fluid pouch. It will be appreciated that various alternate embodiments of valve member 80 are also within the scope of the invention.
• the operation of the valve member 80 can be regulated by the control device 20.
• the valve member 80 can be adapted to receive a control signal generated by the control device 20 for controlling the pouch inflation process.
• such control signal can be generated in accordance with the patient's physical condition, such as indicated by one or more physical signals as described above.
• the control signal for the valve member 80 can be generated in accordance with an electrographic signal of the patient.
• the control signal for the valve member 80 can be generated in accordance with a pulse signal of the patient.
• the valve member 80 can be adapted to receive a control signal generated in accordance with both electrocardiographic and temporal arterial pulse signals of the patient.
• the control signal generated by the control device 20 can regulate the timing, frequency, and duration of the pouch inflation process. For example, when the patient's physical signal indicates an increased heart rate condition, the control device 20 can generate a corresponding control signal for an increased pouch inflation/deflation frequency.
• such control signal can be transmitted to the valve member 80 to increase the frequency of its inflation/deflation operation and adjust the inflation timing and duration accordingly.
• the valve member 80 can receive the control signal and accelerate the pouch inflation/deflation sequence.
• the counter pulsation apparatus 10 can be either entirely or partially movable.
• one or more of the control device 20, the receiver 30, the pump member 50, the output variation device 70, the noise/temperate reduction device, and the valve member 80 can be movable. Thus, it is possible and convenient to carry out the counter pulsation treatment at the patient's location.
• a carrier member 90 can be provided to facilitate the transportation of one or more of the control device 20, the receiver 30, the pump member 50, the output variation device 70, the noise/temperature reduction device, and the valve member 80.
• the carrier member 90 can be formed in various manners to accomplish the above task.
• the carrier member 90 can comprise a movable cart member, on which a part of or the entire counter pulsation apparatus 10 can be supported. It will be appreciated that various alternate embodiments of carrier member 90 are also within the scope of the invention.
• the external counter pulsation apparatus 10 can be formed to have a compact structure thus increasing its mobility and facilitating the transportation to the patient's location.
• a control cabin member 92 can be provided for housing one or more of the control device 20, the receiver 30, and the output variation device 70.
• the control cabin member 92 can be supported on the cart member 90.
• the control cabin member 92 can be positioned next to the pump member 50. It will be appreciated that various alternate embodiments of the control cabin member 92 are also within the scope of the invention.
• the external counter pulsation apparatus 10 can comprise a fluid storage member 94 for storing the fluid medium output from the pump member 50.
• the fluid storage member 94 can comprise a gas column member.
• the fluid storage member 94 can be vertically supported on the cart member 90. It will be appreciated that various alternate embodiments of the fluid storage member 94 are also within the scope of the invention.
• the counter pulsation apparatus 10 can comprise an adjustable arm member 96 for movably supporting the valve member 80.
• the adjustable arm member 96 can have one end movably supported on the cart member 90.
• the adjustable arm member 96 can have one end movably mounted on an upper portion of the fluid storage member 94.
• the arm member 96 can join with the fluid storage member 94 in such a manner that the arm member 96 is capable of rotating in a horizontal plane, such as for 90 degrees or more.
• the arm member 96 can join with the fluid storage member 94 in such a manner that the arm member 96 is capable of rotating in a vertical plane, such as for 90 degrees or more.
• the other end of the arm member 96 can be adapted to extend away from the fluid storage member 94.
• the valve member 80 can be mounted on the free end of the arm member 96 for proximal access to the fluid pouch mounted on the patient. It will be appreciated that various alternate embodiments of the adjustable arm member 96 are also within the scope of the invention.
• an external counter pulsation treatment can be carried out to treat various ischemic diseases of a patient.
• one or more fluid pouches can be wrapped around a body portion of the patient, such as around calves, lower tights, upper thighs, and/or buttocks of the patient. Additionally or alternatively, one or more fluid pouches can be wrapped around the patient's lower arms and/or upper arms.
• a predetermined pressure value can be set, such as in accordance with the patient's physical condition. If desired, the predetermined pressure value can be adjusted for different counter pulsation treatment results.
• a fluid medium can be produced and supplied to one or more of the fluid pouches mounted on the patient.
• the pressure of the fluid medium can be maintained in the range of about 0.035 to about 0.040 MPa.
• the fluid pouches when the diastole begins, can be inflated sequentially from the calves, to lower thighs, to upper thighs, and to lower buttocks. In another exemplary embodiment, the fluid pouches can be inflated sequentially from the lower arms to upper arms.
• Such inflation sequence can generate and impel a counter pulsation wave or a retrograde pulse that increases the coronary perfusion pressure during diastole.
• the external counter pulsation treatment is thus capable of increasing venous return and cardiac output.
• the fluid medium pressure can be maintained within a range of the predetermined pressure value prior to the pouch inflation process.
• the above maintenance can be carried out by varying the fluid medium output from the pump member 50.
• the fluid medium output can be increased or reduced to thereby maintain its pressure.
• the fluid medium output can be increased when the fluid medium pressure falls below the predetermined pressure value.
• the fluid medium output can be reduced when the fluid medium pressure exceeds the predetermined pressure value.
• the fluid medium supply can thus be provided in accordance with the need of the external counter pulsation treatment.
• the counter pulsation treatment of the invention is capable of reducing energy consumed and/or minimizing the heat and/or noise generated during the counter pulsation treatment.
• the fluid pouches can be deflated.
• the vasculature of the lower extremities can accordingly regain conformity to accept cardiac output, thereby reducing the workload of the heart.

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• Health & Medical Sciences (AREA)
• Life Sciences & Earth Sciences (AREA)
• Cardiology (AREA)
• Heart & Thoracic Surgery (AREA)
• Veterinary Medicine (AREA)
• Public Health (AREA)
• General Health & Medical Sciences (AREA)
• Animal Behavior & Ethology (AREA)
• Pain & Pain Management (AREA)
• Rehabilitation Therapy (AREA)
• Physical Education & Sports Medicine (AREA)
• Epidemiology (AREA)
• Pulmonology (AREA)
• Emergency Medicine (AREA)
• Engineering & Computer Science (AREA)
• Biophysics (AREA)
• Pathology (AREA)
• Physics & Mathematics (AREA)
• Biomedical Technology (AREA)
• Medical Informatics (AREA)
• Molecular Biology (AREA)
• Surgery (AREA)
• External Artificial Organs (AREA)
• Percussion Or Vibration Massage (AREA)
• Reciprocating Pumps (AREA)
• Massaging Devices (AREA)

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• 2001
  • 2001-09-20 CN CN01253791U patent/CN2536221Y/zh not_active Expired - Fee Related
• 2002
  • 2002-09-20 CA CA002460165A patent/CA2460165A1/en not_active Abandoned
  • 2002-09-20 WO PCT/US2002/029871 patent/WO2003024315A2/en not_active Application Discontinuation
  • 2002-09-20 EP EP02775893A patent/EP1435892A4/en not_active Ceased
  • 2002-09-20 AU AU2002341744A patent/AU2002341744A1/en not_active Abandoned
• 2004
  • 2004-12-03 US US11/004,790 patent/US20050111996A1/en not_active Abandoned

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