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WO2001091364A2 - Procedes, dispositifs et systemes permettant l'augmentation de l'hemodynamique du massage cardiaque - Google Patents

Procedes, dispositifs et systemes permettant l'augmentation de l'hemodynamique du massage cardiaque Download PDF

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Publication number
WO2001091364A2
WO2001091364A2 PCT/US2001/015444 US0115444W WO0191364A2 WO 2001091364 A2 WO2001091364 A2 WO 2001091364A2 US 0115444 W US0115444 W US 0115444W WO 0191364 A2 WO0191364 A2 WO 0191364A2
Authority
WO
WIPO (PCT)
Prior art keywords
patient
compression
cardiac
heart
compression member
Prior art date
Application number
PCT/US2001/015444
Other languages
English (en)
Other versions
WO2001091364A3 (fr
Inventor
Robert F. Buckman
Rodney A. Brenneman
Original Assignee
Theracardia, Inc.
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Theracardia, Inc. filed Critical Theracardia, Inc.
Priority to AU2001263093A priority Critical patent/AU2001263093A1/en
Publication of WO2001091364A2 publication Critical patent/WO2001091364A2/fr
Publication of WO2001091364A3 publication Critical patent/WO2001091364A3/fr

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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 by a force applied to the chest; Heart stimulation, e.g. heart massage
    • 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 by a force applied to the chest; 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 by a force applied to the chest; Heart stimulation, e.g. heart massage
    • A61H31/004—Heart stimulation
    • A61H31/007—Manual 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
    • 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
    • A61H2201/50—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
    • A61H2201/00—Characteristics of apparatus not provided for in the preceding codes
    • A61H2201/50—Control means thereof
    • A61H2201/5058—Sensors or detectors

Definitions

  • the present invention relates to methods and devices for cardiac massage and, more particularly, to methods and devices for compression or counter-pulsation of the abdomen and/or limbs to augment the return of venous blood to the heart during cardiac resuscitation.
  • OCM Open chest cardiac massage
  • CCM closed chest cardiac massage
  • the cardiac output generated by CCM is often 20% or less than normal, and cerebral perfusion is often approximately 10% of normal.
  • the cardiac output with OCM is typically more than double that obtained by closed chest massage and cerebral blood flow during OCM can approach physiologic values.
  • MID-CM minimally invasive direct cardiac massage
  • MID-CM offers the hemodynamic benefits of OCM but can be performed without forming a large thoracotomy incision and without the high potential for infections and invasiveness associated with OCM.
  • OCM and MID-CM typically provide greater cardiac output than CCM, the cardiac output that can be generated by any of these procedures is still only a fraction of the normal cardiac output of a beating heart.
  • One factor that limits the amount of cardiac output that can be generated during any form of cardiac massage is the limited amount of venous return blood that enters the heart between compressions.
  • IAC-CPR Interposed Abdominal Compression Cardiopulmonary Resuscitation
  • MAST trousers military anti-shock trousers
  • Patent No.5, 806, 512 (Abramov et al.) describes the use of pneumatically controlled pressure cuffs on the legs, abdomen and optionally the chest to perform cardiac resuscitation, whereby the leg and abdominal cuffs are caused to inflate and deflate out-of-phase with the cardiac compressions thereby forcing blood into the chest cavity between cardiac compressions and allowing blood to enter the abdomen and legs between cardiac compressions.
  • Other automated devices for cardiac resuscitation have been described in United States Patent Nos.
  • the present invention addresses perceived shortcomings of the prior art by providing simple, easy to use and safe devices, methods and systems for performing cardiac resuscitation with improved cardiac output and greater hemodynamic efficiency.
  • a system and apparatus for aiding cardiac resuscitation in a mammalian patient comprising at least one compression member configured to engage or substantially surround a body part of the patient from which venous blood returns to the patient's heart through the patient's venous vasculature, and to alternately compress and decompress that body part so as to augment the return of blood to the heart through the venous vasculature.
  • one such compression member being alternately i) expandable to a first size whereby the body part is decompressed (e.g., less compressed or not compressed at all) and ii) contractible to a second size whereby the body part is compressed (or at least more compressed than when the device is in its first size) so as to force blood from the body part, through the venous vasculature, in the direction of the patient's heart.
  • a slip layer or slippage promoting member or substance such as a smooth, lubricious plastic sheet, may be positioned on the patient's body between the skin and the compression member to decrease friction and to promote slippage of the contracting/expanding compression member over the patient's skin.
  • the compression member(s) may be applied to the patient's legs, arms and/or abdomen.
  • the compression member(s) may be connected to a controller that controls the rate and/or timing of the contraction & expansion of the pressure members.
  • controller may receive input from a cardiac compression sensor that will sense when the patient's heart is being compressed and will then trigger the compression members to contract & expand in a preset ratio or preset relationship to the timing of the cardiac compressions.
  • a cardiac compression sensor may be positioned on the patient's chest and connected to the controller such that a signal will be sent to the controller each time the patient's chest is compressed.
  • a cardiac compression sensor may be attached to or incorporated into the device that is used to compress the patient's heart and connected to the controller such that a signal will be sent to the controller each time the patient's heart is directly compressed by the MID-CM device.
  • another embodiment of this compression member is one or more roller(s) that may be in the nature of "rolling pin(s)" that is/are placeable in contact with the desired body part (e.g., legs, abdomen, etc.) and reliable over that body part in the direction of the patient's heart to thereby augment the return of blood to the patient's heart through the venous vasculature.
  • Such roller-type compression member(s) may be manually operated or may be mechanically and/or automatically driven.
  • the compression member(s) may be controlled by a programable controller that is adapted to control the rate, interval, compressive force, distance of travel (in the case of the roller embodiment) or other parameters or variables during operation of the invention.
  • the compression member(s) and methods summarized hereabove may be used in conjunction with either CCM, OCM or MID-CM.
  • CCM cardiac output/ right heart function achieved with OCM and/or MID-CM.
  • a sensor may optionally be mounted on the MID-CM device and connected to a programable controller such as a microprocessor controller that controls the compression of the desired body part(s) by the compression members(s).
  • the sensor will then send a signal to the controller each time the heart is compressed by the MID-CM device and the controller will then trigger the compression member(s) to compress the body part(s) at desired intervals or times relative to the cardiac compressions administered by the MID-CM device.
  • Figure 1 is a perspective view of a human patient who is connected to a system of the present invention having compression members for augmentation of venous return during CCM.
  • Figure 1a is a perspective view of an optional cardiac compression sensor useable during CCM in conjunction with the system of Figure 1.
  • Figure 2 is a perspective view of a human patient who is connected to a system of the present invention for augmentation of venous return during MID-CM.
  • Figure 2a is a perspective view of a the distal end of a MID-CM cardiac compression device having a cardiac compression sensor formed thereon useable during MID-CM in conjunction with the system of Figure 2.
  • Figure 3a is a side view of a first embodiment of a compression member device of the present invention.
  • Figure 3b is a side view of a second embodiment of a compression device of the present invention.
  • Figure 3c is a side view of a third embodiment of a compression device of the present invention.
  • Figure 4a is a perspective view of a third embodiment of a compression device of present invention.
  • Figure 4b is a perspective view of a human patient on whom the device of Figure 4a is being used to augment venous return during MID-CM.
  • Figure 5 is a perspective view of a human patient who is connected to a system of the present invention having curass-type ampression members for augmentation of venous return during CCM, OCM or MID-CM. DESCRIPTION OF THE PREFERRED EMBODIMENTS
  • a System and Method for Use in Conjunction with CCM or OCM Figure 1 shows a system 10 of the present invention comprising a controller 12 connected to thigh and lower leg compression members 14a, 14b, an abdominal compression to member 16 and upper arm and forearm compression members 18a, 18b.
  • a controller 12 connected to thigh and lower leg compression members 14a, 14b, an abdominal compression to member 16 and upper arm and forearm compression members 18a, 18b.
  • 18a, 18b surrounds a portion of the patient's body (e.g., an upper arm, a forearm, a thigh, a lower leg or the abdomen) and incorporates a driver 20 that operates to drive the compression member 14a, 14b, 16, 18a, 18b back and forth between an expanded configuration whereby the compression member 14a, 14b, 16, 18a, 18b does not substantially compress the underlying body part and one or more contracted configuration(s) whereby the compression member 14a, 14b, 16, 18a, 18b does substantially compress the underlying body part. It is to be appreciated that not all of these compression members 14a, 14b, 16, 18a, 18b will necessarily be used concurrently on all patients.
  • the physician or paramedic may choose to use only the abdominal compression member 16, only the thigh or lower leg compression members 14a, 14b or only one compression member on each limb instead of two on each limb as shown in Figure 1.
  • the number and specific position(s) of the compression members is optional and variable with each patient.
  • the controller 12 preferably comprises a microprocessor controller that is connected to the compression members 14a, 14b, 16,18a, 18b by way of wires or cables.
  • the controller 12 is capable of being programmed or set by the user. Specifically, the controller 12 is adapted to receive input from the user as to the timing or frequency, as well as the order of, the contractions and expansions of the compression members 14a, 14b, 16, 18a, 18b.
  • the controller 12 emits signals via the wires or cables to the drivers 20 causing the compression members 14a, 14b, 16, 18a, 18b to expand and contract as desired. After the controller 12 has been programmed by the operator it will control the expansion and contraction 10 of the compression members 14a,
  • a cardiac compression sensor 22 may also be connected to the controller 12 by way of wires 24.
  • the cardiac compression sensor 22 will send a signal to the controller 12 each time the cardiac compression is administered to the patient.
  • the controller 12 may be programmed or otherwise adapted to trigger expansion and contraction of the compression members 14a, 14b, 16, 18a, 18b at a preset rate and/or in a preset sequence relative to the sensed cardiac compressions.
  • the operator may set to the controller 12 to cause contraction of the compression members 14a, 14b, 16, 18a, 18b after a certain number of chest compressions and to maintain such contraction for a predetermined period of time before causing the compression members 14a, 14b, 16, 18a, 18b to expand the to their expanded or relaxed configuration.
  • the controller may be programmed to cause the compression members 14a, 14b, 16, 18a, 18b to contract after each fifth cardiac compression for a period of three seconds.
  • the operator will program the controller to cause the compression members 14a, 14b, 16, 18a, 18b to contract only during the period between cardiac compressions and to relax to their expanded configurations as each cardiac compression is being administered.
  • the controller 12 may be programmed or adapted to cause sequential contraction of the compression members 14a, 14b, 16, 18a, 18b such that the compression members farthest away from the heart contract first and those closest to the heart contract last.
  • the operator may program or set the controller to cause the compression members 14a, 14b, 16, 18a, 18b to contract sequentially for individual periods of three seconds, following each fifth cardiac compression.
  • the lower leg compression members 14b and forearm compression members 18b will each contract for three seconds and will then relax, followed by a three second period of contraction and then relaxation of the thigh-leg compression members 14a and upper-forearm arm compression members 18a, followed by a three second period of contraction and then relaxation of the abdominal compression member 16.
  • Such sequential contractions and relaxations of the members 14a, 14b, 16, 18a, 18b will then be repeated after each fifth cardiac compression.
  • the basic system 10, shown in Figure 1 may be used with either CCM or OCM, however the cardiac compression sensor 22 shown in Figure 1a is primarily designed for used with CCM only. It will be appreciated that other types of cardiac compressions sensors, such as sensor pads mounted on the resuscitator's hands, may be devised for use with the system 10 in OCM.
  • Figures 3 and 3a show another system 100 of the present invention adapted for use in connection with MID-CM.
  • This system 100 comprises the same controller 12 as described above and the same compression members 14a, 14b, 16, 18a connected to the controller 12 as described hereabove. It will be noted, however, that in this system 100 the upper arm compression members 18a ( Figure 1) have been eliminated, thereby illustrating the fact that not all of the compression members shown in Figure 1 need be used in all cases.
  • This system 100 further comprises a MID-CM device 110 that is insertable through a minimal access incision formed in the chest of the patient and useable to directly compress and decompress the patient's heart.
  • the preferred MID-CM device comprises an elongate, generally tubular device which can be passed through a small aperture between the patient's ribs into proximity of the patient's heart.
  • the preferred MID-CM device 110 comprises a handle 112, an elongate outer shaft 114, an inner tubular shaft 124 having a radially expandable heart contacting portion
  • the inner shaft 124 is initially disposed within and is advanceable from the outer shaft 124.
  • a blunt dissector tip 122 extends from the inner shaft 124 and initially protrudes beyond the distal end of the outer cannula when the inner cannula 124 is fully retracted within the outer cannula 118.
  • the blunt tip 122 preferably has a spherical surface to facilitate passage through the layer of muscle and cartilage between the ribs.
  • the handle 112 is advanced distally causing the blunt tip 122 to advance into contact with the heart and allowing the heart contacting portion 130 to radially expand within the thoracic space.
  • the heart contacting portion 130 comprises a plurality of spring struts 142 surrounded by a taut fabric cover 144 which comes into direct contact with the heart.
  • the heart massaging operation takes place by alternately moving the heart contacting portion 130 toward and away from the heart.
  • the timing of the massage thrusts is determined by the physician or operator of the device, and is not the subject of the present invention. This action compresses the blunt tip 122 between the taut fabric cover 144 and the patient's heart or pericardium.
  • a pressure or force sensor 156 is mounted on or incorporated into the MID-CM device 110, such as in its shaft 118 or blunt tip 122.
  • This pressure sensor 156 is connected wirelessly or by way of a wire that extends through the inner cannula 124, to the controller. In this manner, a signal is sent to the controller 12 each time the MID-CM device is used to compress the patient's heart.
  • pressure or force sensors placed elsewhere on the MID-CM device or elsewhere in or on the patient's body may be used to trigger the controller in this manner.
  • the MID-CM device 110 is retracted from the patient's chest. More specifically, the inner shaft 124 is withdrawn proximally into the outer shaft 118 causing the heart contacting portion 130 to collapse through a mouth 150 of the outer cannula 118 such that the bunt tip 22 is once again disposed immediately adjacent the distal end of the outer cannula 118.
  • the compression members 14 may comprise any suitable type of body compressing members.
  • the compression members will be formed of a fabric or plastic material and will be configured to substantially surround the desired body portion (e.g., leg, arm, abdomen).
  • Each compression member 14 may be formed in two semi- cylindrical sections 14a and 14b, one of which is positionable on one side of the body part and the other of which is positionable on the other side of the body part, such that the two sections can be alternately drawn towards one another to effect compression of the body part or allowed to move away from one another to effect decompression of the body part.
  • An adjustable connector 32 such as a clamp or buckle may be used to attach the semi- cylindrical members 14a, 14b to each other and to adjust the resultant diameter of the compression member as to accommodate body parts of differing size.
  • the optional slip substance or slip members 26 may or may not be attached to the compression members 14.
  • the slip members 25 preferably comprise a lubricious, biologically inert polymer film or sheet such as a polyethylene material that serves to facilitate slippage of the inner surfaces of the semi-cylindrical members 14a, 14b overthe underlying skin of the patient without causing abrasions, blisters, or irritation to the skin.
  • the preferred drivers 20 will move the compression members 14a, 14b, 16, 18a, 18b back and forth between their contracted and relaxed configurations with sufficient rapidity to accomplish the compression and decompression of the abdomen and or limbs of the patient at the desired rate relative to the rate of cardiac compressions.
  • a slower type of driver may be used.
  • Figures 3a-3c show some examples of different types drivers 20 that are useable to drive the compression members 14a, 14b, 16, 18a, 18b back and forth between their contracted and relaxed configurations.
  • Figure 3a shows a compression member 14 that incorporates a hydraulic (e.g., liquid or pneumatic) driver 20 HYD.
  • the hydraulic driver 20 HYD comprises a cylinder 34 having a piston (not shown) mounted transversely therewithin such piston being connected to a longitudinally advanceable and retractable shaft 36.
  • a tube 38 connects each piston 34 to a pump (not shown) and the pump is connected to the controller 12 of the system 10.
  • the piston 34 is rigidly mounted to one of the semi-cylindrical members 14a, 14b and the distal end of the shaft 36 is connected by way of an elongate connector bar 38 to the other semi-cylindrical member of 14a, 14b.
  • the controller 12 will cause the pump (not shown) to pump a fluid (liquid or gas) into the cylinder 34, thereby driving the piston (not shown) and longitudinal member 36 in the distal direction.
  • Such distal movement of the longitudinal member 36 causes the connector bar 38 to pull the semi-cylindrical members 14a, 14b together or toward each other, thereby compressing the underlying body part.
  • the controller 12 will cause the pump (not shown) to either stop pumping to allow back flow of fluid, or to actively withdraw fluid, from the cylinder 34 through the tube 38.
  • the pump (not shown) to either stop pumping to allow back flow of fluid, or to actively withdraw fluid, from the cylinder 34 through the tube 38.
  • This causes the piston (not shown) and shaft 36 to be withdrawn in the proximal direction (i.e., into the cylinder 34) thereby causing the connector bar 38 to push the semi-cylindrical members 14a, 14b away from each other, thereby decompressing the underlying body part.
  • FIG. 3b shows another compression member 14 having a rotating driver 20 ROT.
  • This rotating driver 20 ROT comprises an electric motor 40 within a housing that is rigidly mounted on one of the semi-cylindrical portions 14b.
  • the motor 40 is connected by way of a cable 42 to the controller 12.
  • the electric motor 40 rotatably drives a drive shaft 44.
  • a rotatable disk 46 is mounted on the drive shaft 44.
  • One end of a rigid connector bar 38 is connected the other semi-cylindrical portion 14a and the other end of that connector bar 38 is pivotally attached to an off-center location on the rotatable disk 46.
  • rotation of the disk 46 causes the connector bar 38 to reciprocate back and forth, thereby alternately drawing the semi-cylindrical portions 14a, 14b of the compression member 14 toward one another and then away from one another.
  • Figure 3c shows another compression member 14 having a cam driver 20 CAM.
  • This cam driver 20 CAM comprises an electric motor 50 within a housing that is rigidly mounted on one of the semi-cylindrical portions 14b.
  • the motor 50 is connected by way of a cable 52 to the controller 12.
  • the electric motor 50 rotatably drives a drive shaft having a cam 54 connected thereto.
  • One end of a rigid connector bar 38 is connected the other semi- cylindrical portion 14a and a cam follower 56 is located on the other end of the connector bar 38.
  • the cam follower 56 is maintained in abutting contact with the outer surface of the cam 54.
  • Roller Compression Device(s) Another relatively simple device 60 that may be used for compressing the lower limbs and abdomen and the patient to augment venous return is shown in Figures 4a and 4b.
  • This device 60 comprises a roller that may be rolled by hand, or by any suitable type of drive mechanism (not shown), over the lower extremities and/or abdomen of the patient to compress those portions of the patient's body, thereby forcing blood through the veins in the direction of the heart.
  • a particular embodiment of the device 60 shown in figures 4a and 4b, comprises a rigid bar 62 having a cylindrical pad 64 formed on a mid-portion thereof, as shown. The opposite ends of the bar 62 extend outwardly from the ends of the pad 64 so as to provide handles 66.
  • the operator may then grasp both handles 66, place the pad 64 against the patient's legs or abdomen, and roll the device 60 in the direction of the patient's head. This movement may be repeated many times during the administration of CPR. By this movement, the roller device 60 will cause venous blood that pools in the abdomen or lower extremities to be returned through the inferior vena cava to the heart.
  • a MID-CM device 110 of the type described here above may be inserted through a minimal access incision into the patient's thorax and used by a second operator to directly compress the patient's heart concurrently with use of the roller device to augment venous return.
  • Curass-type Compression Device(s) Figures 5-5C show curass-type compression members 302 that are usable, it in many applications, as an alternative to the other types of compression members or compression apparatus described above. As shown, the curass-type compression members 302 are positionable overthe lims and/or abdomen of the patient for the purpose of alternately compressing and decompressing the patient's limbs and abdomen. Each curass-type compression member 302 comprises a rigid outer shell 304 and at least one inflatable bladder 306 affixed to or positioned adjacent to the inner surface of the outer shell. The preferred curass-type compression members 302 are generally semi-annular and partially surround the portion of the patient's body on they are positioned.
  • Each inflatable bladder 306 is connected by way of a tube 308 to a controller (not shown) that includes a pump or source of pressurized fluid.
  • the controller then causes the fluid to increase and decrease in pressure, thereby causing alternate inflation and deflation of the bladders 306 in accordance with the desired timing.
  • Figure 5a shows the bladders 306 in their deflated state while Figure 5b shows the bladders 306 in their inflated state.
  • Figure 5c shows an alternative curass-type compression member 302alt that has a hinged outer shell 304alt.
  • This hinged outer shell allows the opposite sides of the shell 304altto be spread apart to facilitate positioning of the compression member 302alt on body parts of differing size.
  • the opposite sides of the shell 304alt are pivoted closed or toward one another and he hinge 310 is locked by way of a suitable locking apparatus (not shown), thereby holding the rigid shell 304alt in a fixed configuration.
  • the controller may cause the inflation fluid to be pumped into and out of the bladder 306alt causing the desired compression and decompression of the patient's body part.
  • multiple or compartmentalized bladders 306 may be used as shown in Figures 5a and b, while in other embodiments a single bladder 306alt may be used, as shown in Figure 5 C.
  • one or more belts or straps may be affixed to or passed about each curass-type compression member 302, 302alt to assist in holding it in position on the patient's body.

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  • Health & Medical Sciences (AREA)
  • Cardiology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Emergency Medicine (AREA)
  • Pulmonology (AREA)
  • Epidemiology (AREA)
  • Pain & Pain Management (AREA)
  • Physical Education & Sports Medicine (AREA)
  • Rehabilitation Therapy (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Percussion Or Vibration Massage (AREA)
  • Massaging Devices (AREA)

Abstract

L'invention concerne des procédés, des dispositifs et des systèmes permettant la compression ou la contrepulsion des membres et/ou de l'abdomen d'un patient afin d'augmenter le retour veineux pendant une réanimation cardiaque. Dans certains modes de réalisation, le/les élément(s) de compression est/sont placé(s) sur le/les membre(s) et/ou sur l'abdomen du patient de manière à permettre la compression et la décompression du/des membre(s) et/ou de l'abdomen afin d'augmenter l'écoulement du sang du retour veineux vers le coeur du patient pendant la réanimation. Le/les élément(s) peut/peuvent être relié(s) à un dispositif de commande, lequel peut être programmé pour permettre aux éléments de compression de comprimer et de décomprimer le/les membre(s) et/ou l'abdomen à des périodes, à des intervalles et/ou à des forces de compression souhaités. Eventuellement, un détecteur de compressions cardiaques peut également être relié au dispositif de commande; les périodes ou les intervalles désirés pour la pression/décompression du/des membre(s) et/ou de l'abdomen pouvant être liés à la vitesse et/ou au rythme des compressions cardiaques. Un mode de réalisation consiste en un dispositif permettant une compression cardiaque directe à effraction minimale, tel qu'un dispositif pourvu d'un détecteur de compressions cardiaques relié au dispositif de commande du système, de telle sorte que la compression/décompression du/des membre(s) et/ou de l'abdomen puisse être effectuée conjointement avec un massage cardiaque direct à effraction minimale.
PCT/US2001/015444 2000-05-19 2001-05-10 Procedes, dispositifs et systemes permettant l'augmentation de l'hemodynamique du massage cardiaque WO2001091364A2 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AU2001263093A AU2001263093A1 (en) 2000-05-19 2001-05-10 Methods, apparatus and systems for hemodynamic augmentation of cardiac massage

Applications Claiming Priority (2)

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US57438800A 2000-05-19 2000-05-19
US09/574,388 2000-05-19

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Cited By (10)

* Cited by examiner, † Cited by third party
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CN100394906C (zh) * 2003-07-25 2008-06-18 中山大学附属第一医院 体外反搏驱动装置
EP1718261A4 (fr) * 2004-02-04 2009-05-20 Flowmedic Ltd Procede et systeme de contrepulsion externe
EP1765253A4 (fr) * 2004-06-09 2009-08-19 Flowmedic Ltd Dispositif autonome portable d'am lioration de la circulation
US8100841B2 (en) 2003-09-03 2012-01-24 Benny Rousso Portable device for the enhancement of circulation
US8105252B2 (en) 2004-09-29 2012-01-31 Benny Rousso Device for providing intermittent compression to a limb
US8142374B2 (en) 2002-03-03 2012-03-27 Flomedic Limited Portable device for the enhancement of circulation of blood and lymph flow in a limb
US8157754B2 (en) 2001-03-05 2012-04-17 David Weintraub Portable device for the enhancement of circulation and for the prevention of stasis related DVT
US8235921B2 (en) 2005-05-01 2012-08-07 Flow Medic Limited Computerized portable device for the enhancement of circulation
US20160143805A1 (en) * 2014-11-25 2016-05-26 Koninklijke Philips N.V. Cpr assistance system and cpr monitoring method
WO2023203263A1 (fr) * 2022-04-23 2023-10-26 Garcia Trapero Jorge Machine pour appliquer le massage automatiquement pendant la réanimation cardiopulmonaire chez l'homme

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US4770164A (en) * 1980-10-16 1988-09-13 Lach Ralph D Resuscitation method and apparatus
US4753226A (en) * 1985-04-01 1988-06-28 Biomedical Engineering Development Center of Sun Yat-Sen University of Medical Science Combination device for a computerized and enhanced type of external counterpulsation and extra-thoracic cardiac massage apparatus
AU4686993A (en) * 1992-07-30 1994-03-03 Temple University - Of The Commonwealth System Of Higher Education Direct manual cardiac compression device and method of use thereof

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8157754B2 (en) 2001-03-05 2012-04-17 David Weintraub Portable device for the enhancement of circulation and for the prevention of stasis related DVT
US8142374B2 (en) 2002-03-03 2012-03-27 Flomedic Limited Portable device for the enhancement of circulation of blood and lymph flow in a limb
CN100394906C (zh) * 2003-07-25 2008-06-18 中山大学附属第一医院 体外反搏驱动装置
US8100841B2 (en) 2003-09-03 2012-01-24 Benny Rousso Portable device for the enhancement of circulation
EP1718261A4 (fr) * 2004-02-04 2009-05-20 Flowmedic Ltd Procede et systeme de contrepulsion externe
EP1765253A4 (fr) * 2004-06-09 2009-08-19 Flowmedic Ltd Dispositif autonome portable d'am lioration de la circulation
US8079969B2 (en) 2004-06-09 2011-12-20 Benny Rousso Portable self-contained device for enhancing circulation
US8105252B2 (en) 2004-09-29 2012-01-31 Benny Rousso Device for providing intermittent compression to a limb
US8235921B2 (en) 2005-05-01 2012-08-07 Flow Medic Limited Computerized portable device for the enhancement of circulation
US20160143805A1 (en) * 2014-11-25 2016-05-26 Koninklijke Philips N.V. Cpr assistance system and cpr monitoring method
WO2023203263A1 (fr) * 2022-04-23 2023-10-26 Garcia Trapero Jorge Machine pour appliquer le massage automatiquement pendant la réanimation cardiopulmonaire chez l'homme

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