WO2014051933A1 - Mechanical chest compression plunger adapter and compression pad - Google Patents

Mechanical chest compression plunger adapter and compression pad Download PDF

Info

Publication number
WO2014051933A1
WO2014051933A1 PCT/US2013/057509 US2013057509W WO2014051933A1 WO 2014051933 A1 WO2014051933 A1 WO 2014051933A1 US 2013057509 W US2013057509 W US 2013057509W WO 2014051933 A1 WO2014051933 A1 WO 2014051933A1
Authority
WO
WIPO (PCT)
Prior art keywords
plunger
adapter
distal end
compression
chest
Prior art date
Legal status (The legal status 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 status listed.)
Ceased
Application number
PCT/US2013/057509
Other languages
English (en)
French (fr)
Inventor
Michael Parascandola
Gary Freeman
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Zoll Medical Corp
Original Assignee
Zoll Medical Corp
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 Zoll Medical Corp filed Critical Zoll Medical Corp
Priority to JP2015534507A priority Critical patent/JP2015530187A/ja
Priority to EP13840865.3A priority patent/EP2900196A4/en
Priority to CN201380055389.3A priority patent/CN104755057A/zh
Publication of WO2014051933A1 publication Critical patent/WO2014051933A1/en
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

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
    • 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
    • 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
    • A61H2031/001—Artificial respiration by a force applied to the chest; Heart stimulation, e.g. heart massage fixed on the chest by suction
    • 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
    • A61H2201/1207—Driving means with electric or magnetic drive
    • A61H2201/1215—Rotary 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
    • A61H2201/12—Driving means
    • A61H2201/1253—Driving means driven by a human being, e.g. hand 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
    • A61H2201/14—Special force transmission means, i.e. between the driving means and the interface with the user
    • A61H2201/1481—Special movement conversion means
    • A61H2201/149—Special movement conversion means rotation-linear or vice versa
    • 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
    • A61H2201/1657—Movement of interface, i.e. force application means
    • A61H2201/1664—Movement of interface, i.e. force application means linear

Definitions

  • the inventions described below relate to the field of emergency medical devices and methods and more specifically to methods and device to optimize the resuscitation of cardiac arrest patients.
  • Cardiopulmonary resuscitation CPR
  • CPR is a well-known and valuable method of first aid used to resuscitate people who have suffered from cardiac arrest.
  • CPR requires repetitive chest compressions to squeeze the heart and the thoracic cavity to pump blood through the body.
  • Patent 7,226,427 (Jun. 5, 2007) and King, Gas-Driven Chest Compression Device, U.S. Patent Publication 2010/0004572 (Jan. 7, 2010) all of which are hereby incorporated by reference.
  • the compression pads may shift position relative to the patient and the effectiveness of the automated chest compressions are diminished.
  • the repeated extension and retraction of the piston often results in the piston and compression cup moving or "walking" up the patient ' s chest toward the neck or moving down toward the patient's abdomen.
  • the devices and methods described below provide for a plunger adapter and a detachable compression pad for piston driven chest compression devices that maintain the compression force in the proper position on the patient's chest.
  • the detachable compression pad is removably secured to the patient above the patient's sternum to ensure that the compression pressure from the piston through the piston adapter is applied to a fixed location on the patient's chest.
  • the piston and piston adapter retract from the chest, the compression pad remains fixed to the patient's chest, and as the piston and piston adapter extend from the chest compression unit, the distal end of the plunger adapter reengages the compression pad to apply compression to the patient's chest at the same location above the patient's sternum as the previous
  • the distal end of the plunger adapter may have a conical or frusto-conical socket and the compression pad may include a corresponding conical or frusto-conical portion or extension on the proximal end to engage the socket in the plunger adapter.
  • the plunger adapter socket and the compression pad extension will adapt any round, ovoid or spherical shape to provide positive engagement while avoiding any rotational forces generated by the plunger about the long axis of the plunger.
  • the compression pad is a generally incompressible pad configured to adapt to the shape of the patient's chest.
  • the compression pad may be formed of one or more layers to optimize the application of CHEST COMPRESSIONS to the patient.
  • the proximal or upper end of the compression pad is a
  • the central layer may be a flexible and incompressible layer to conform to the shape of the patient's chest.
  • the lower or distal end of the compression pad may include one or more flexible cups for creating one or more areas of vacuum between the compression pad and the patient's chest.
  • Suitable engagement mechanisms may be included in the plunger and the plunger adapter to provide a preselected level of chest expansion force in addition to chest compression force.
  • a magnet may be provided in the distal end of the plunger and a corresponding magnet or ferrous material may be included in the proximal end of the plunger adapter to provide a preselected retention force between the plunger and the plunger adapter. The retention force is selected to provide some expansion force to the patient's chest between
  • an electromagnet may be provided in distal end of the plunger to provide an adjustable level of retention force, or to provide timed release of the plunger adapter from the plunger.
  • Figure 1 is a front view of a piston driven chest compression device with a detachable plunger adapter and compression pad and a cross section of a patient's chest showing landmark skeletal structures.
  • Figure 2 is a cross section of the chest compression device of Figure 1 taken along A-A with an alternate plunger adapter and compression pad.
  • Figure 3 is a side view of a plunger adapter and compression pad.
  • Figure 4 is an end view of the distal end of a plunger adapter with a frusto-conical socket.
  • Figure 5 is an end view of the proximal end of a compression pad with an extension corresponding to the frusto- conical socket of the plunger adapter of Figure 4.
  • Figure 6 is a side view of an alternate plunger adapter and compression pad.
  • Figure 7 is an end view of the distal end of the plunger adapter of Figure 6.
  • Figure 8 is an end view of the proximal end of a compression pad with an extension corresponding to the plunger adapter of Figure 6.
  • Figure 9 is a side view of an octagonal plunger adapter and compression pad.
  • Figure 10 is an end view of the distal end of the plunger adapter of Figure 9.
  • Figure 11 is an end view of the proximal end of a compression pad with an extension corresponding to the plunger adapter of Figure 9.
  • Figure 12 is a perspective view of a mechanical chest compression device engaging a patient with an electrode assembly and a compression monitor puck.
  • Figure 13 is a close up perspective of the electrode assembly and compression monitor puck of Figure 12.
  • Figure 14 is a side view of a plunger adapter configured to engage a compression monitor puck.
  • Chest compression device 10 is oriented to apply compressions to the chest 2 of patient 1.
  • Chest compression device 10 includes support structure 11 and backboard 11B which supports and orients chest compression unit 12 apposing sternum 2A.
  • Chest compression unit 12 includes any suitable drive means such as motor 13 which may be a reversible electromotor, a linear actuator or the like.
  • Plunger 14 has a distal end 14D and a proximal end 14P, and proximal end 14P of the plunger is operably coupled to motor 13.
  • Distal end 14D of the plunger extends from and withdraws into the housing upon operation of motor 13.
  • a motor control unit such as controller 15 is operably connected to motor 13 and includes a microprocessor to control the operation of the motor and the plunger.
  • Plunger adapter 16 is secured to the distal end of the plunger and compression pad 17 removably engages the plunger adapter.
  • Distal end 16D of plunger adapter 16 is sized and shaped to avoid injury to a patient if plunger 14 is extended to contact the patient without a compression pad between the plunger adapter and the patient.
  • Distal end 16D of plunger adapter 16 includes a socket 16S that is sized and shaped to engage a correspondingly shaped element on a compression pad which may be called a key, a portion or an extension such as extension 17A on proximal end 17P of compression pad 17.
  • Compression pad extension 17A operates as a locator pin or key for preventing the locator bushing, plunger adapter 16, and chest compression unit 12 from changing the point of
  • compression pad 17 is removably secured to the patient's chest at force application location 18 , which is in a superior position relative to sternal notch 2N as
  • Compression pad 17 may be secured to the patient with any suitable biocompatible tape or adhesive such as adhesive 19 .
  • the mechanical chest compression device 10 is oriented around the patient's chest 2 with chest
  • compression unit 12 apposing compression pad 17.
  • Plunger 14 is extended to confirm proper siting of compression pad 17 on the patient and to confirm mating and orientation of plunger adapter 16 with compression pad 17 and compression pad
  • controller 15 Upon confirmation of proper alignment and orientation, controller 15 is instructed, through any suitable interface such as interface 12A, to perform cyclic compressions and decompressions for CPR.
  • plunger adapter 24 is configured with a generally cylindrical shape.
  • Compression pad 25 includes a corresponding cylindrical shaped socket 26 in proximal end 25P of compression pad 25.
  • the plunger adapter should be sized such that the force per unit area applied by the plunger adapter, if applied directly to the patient's chest, does not damage the patient.
  • the combination of plunger adapter and compression pad may be sized along the anterior-posterior axis to enable a chest compression unit with a fixed length plunger with a fixed extension length to accommodate patients with different anterior-posterior dimensions.
  • plunger adapter 30 has a height or anterior posterior dimension 30D and compression pad 31 has a height or anterior posterior dimension 3 ID.
  • plunger 30 is removably secured to plunger 32 using any suitable technique such as mating threads, keyed slots, locator pin or pins, friction engagement or other.
  • suitable technique such as mating threads, keyed slots, locator pin or pins, friction engagement or other.
  • the height of a plunger adapter and the height of a compression pad may be
  • a plunger adapter socket such as socket 34 may include an adhesive or coating such as adhesive layer 35 with a preselected level of adhesion to maintain a limited engagement between a plunger adapter, such as adapter 30, and a compression pad such as compression pad 31, to produce a preselected level of decompression during each retraction of the plunger while performing automated chest compressions with minimal damage to the patient.
  • Adhesive layer 35 may also be applied to compression pad surfaces 33A and or 33B.
  • Compression pad 31 is a generally incompressible pad configured to adapt to the shape of the patient's chest.
  • a compression pad such as compression pad 31 may be formed of one or more layers such as first layer 31A and second layer 3 IB to optimize the application of compressive force to the patient.
  • the proximal or upper end of the compression pad is a generally hard extension or socket such as extension layer 33 for engaging the plunger adapter.
  • the first or central layer, layer 31A may be a flexible and incompressible layer to conform to the shape of the patient's chest.
  • the lower or distal end, second layer 31B, of the compression pad is flexible and generally incompressible to adapt to the shape of the patient's chest and may include one or more flexible cups for creating one or more areas of vacuum between the
  • Suitable engagement mechanisms may be included in the plunger and the plunger adapter to provide a preselected level of chest expansion force in addition to chest compression force.
  • a magnet may be provided in the distal end of the plunger and a corresponding magnet or ferrous material may be included in the proximal end of the plunger adapter to provide a preselected retention force between the plunger and the plunger adapter. The retention force is selected to provide some expansion force to the patient's chest between
  • an electromagnet may be provided in distal end of the plunger to provide an adjustable level of retention force, or to provide timed release of the plunger adapter from the plunger.
  • plunger adapter 40 includes socket 41 that is sized and dimensioned to engage extension 42 of compression pad 43.
  • Compression pad 43 may be removably secured to the chest of a patient as
  • magnets such as adapter magnet 40M and compression magnet 43M may be included in plunger adapter 40 and compression pad 43 to provide the predetermined retention force, such as force of attraction or magnetic force 46, to hold compression pad 43 to plunger adapter 40 until the predetermined decompression force is exceeded.
  • the predetermined level of decompression force is selected to be at a level below which, the chest tissue at force application location 18 will not be damaged before compression pad 43 releases from plunger adapter 40.
  • Any other suitable technique for providing a predetermined level of retention force 46 may be used such as electromagnetic attraction, frictional engagement or others. Any other suitable cooperative configurations of socket and extension may be used.
  • plunger adapter 50, and compression pad 51 may adopt any suitable shape.
  • distal end 50D of plunger adapter 50 is
  • Distal end 50D includes socket 52 to engage proximal end 5 IP of compression pad 51.
  • the distal end of compression pad 51, end 5 ID may adopt any suitable shape regardless of the shape of the key on proximal end 5 IP.
  • proximal end 5 IP is keyed as a hexagon to conform to the shape of socket 52.
  • Patient 1 illustrated in Figure 12 has electrode assembly 56 secured to chest 2.
  • Mechanical chest compression device 57 is oriented to apply compressions to the chest of patient 1.
  • Compression pad 56 includes chest compression monitor 58 used to provide feedback for manual CPR which is illustrated in greater detail in Figure 13.
  • the chest compression monitor 58 used to provide feedback for manual CPR which is illustrated in greater detail in Figure 13.
  • compression monitor is provided to detect compression depth and or rate according to Halperin, CPR Chest Compression
  • Plunger adapter 59 is sized and shaped to accommodate socket 62 which engages chest compression monitor or puck 58 as illustrated in Figure 14. Chest compression monitors may also be separate and stand-alone from a
  • Standalone pucks may be adhered to the patient's chest, using adhesive 60 at the desired location 61, for providing feedback for therapeutic chest compressions.
  • An appropriately sized and shaped plunger adapter having a suitably sized and shaped socket 62 may be connected to the plunger of mechanical chest compression device 57 to prevent chest compression device from wandering, walking or otherwise providing chest compressions away from the desired location as discussed above.
  • the plunger adapter is keyed to the size and shape of the puck and may be provided to accommodate pucks or chest compression monitors from any suitable manufacturer operating with any suitable sensor technology or combination of sensors such as accelerometers and or force sensors.

Landscapes

  • Health & Medical Sciences (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Cardiology (AREA)
  • Pain & Pain Management (AREA)
  • Pulmonology (AREA)
  • Epidemiology (AREA)
  • Emergency Medicine (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)
PCT/US2013/057509 2012-09-27 2013-08-30 Mechanical chest compression plunger adapter and compression pad Ceased WO2014051933A1 (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP2015534507A JP2015530187A (ja) 2012-09-27 2013-08-30 機械的胸部圧迫プランジャアダプタおよび圧迫パッド
EP13840865.3A EP2900196A4 (en) 2012-09-27 2013-08-30 PISTON ADAPTER AND COMPRESSION CUSHION FOR MECHANICAL BREAST COMPRESSION
CN201380055389.3A CN104755057A (zh) 2012-09-27 2013-08-30 机械式胸部压缩柱塞适配器和压缩垫

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US13/629,434 US8888725B2 (en) 2012-09-27 2012-09-27 Mechanical chest compression plunger adapter and compression pad
US13/629,434 2012-09-27

Publications (1)

Publication Number Publication Date
WO2014051933A1 true WO2014051933A1 (en) 2014-04-03

Family

ID=50339556

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2013/057509 Ceased WO2014051933A1 (en) 2012-09-27 2013-08-30 Mechanical chest compression plunger adapter and compression pad

Country Status (5)

Country Link
US (2) US8888725B2 (enExample)
EP (1) EP2900196A4 (enExample)
JP (1) JP2015530187A (enExample)
CN (1) CN104755057A (enExample)
WO (1) WO2014051933A1 (enExample)

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US10292899B2 (en) 2014-05-09 2019-05-21 Physio-Control, Inc. CPR chest compression machine adjusting motion-time profile in view of detected force
WO2015184139A1 (en) * 2014-05-29 2015-12-03 Resuscitation International, Llc Electromechanical chest compression system and method
US10004662B2 (en) 2014-06-06 2018-06-26 Physio-Control, Inc. Adjustable piston
US11246796B2 (en) 2014-06-06 2022-02-15 Physio-Control, Inc. Adjustable piston
EP4434510B1 (en) 2014-11-17 2025-05-21 Physio-Control, Inc. Cpr chest compression machine adjusting motion-time profile in view of detected force
DE102016104679A1 (de) * 2016-03-14 2017-09-14 GS Elektromedizinische Geräte G. Stemple GmbH Vorrichtung zur kardiopulmonalen Massage und/oder Reanimation
US12127999B2 (en) 2016-08-03 2024-10-29 Jolife Ab Mechanical CPR with selective zero-position and compression depth adjustment
US10835450B2 (en) 2016-12-30 2020-11-17 Stryker Corporation CPR chest compression system periodically reminding attendant to check patient
US11523966B2 (en) 2016-12-30 2022-12-13 Physio-Control, Inc. CPR chest compression system
DE102017115732A1 (de) * 2017-07-13 2019-01-17 GS Elektromedizinische Geräte G. Stemple GmbH Vorrichtung zur kardiopulmonalen Massage und/oder Reanimation
US11179293B2 (en) 2017-07-28 2021-11-23 Stryker Corporation Patient support system with chest compression system and harness assembly with sensor system
US11351086B2 (en) * 2017-10-23 2022-06-07 Physio-Control, Inc. CPR chest compression machine
CA3083742A1 (en) * 2017-11-21 2019-05-31 The Hospital For Sick Children Device for producing continuous negative abdominal pressure
EP3870131B1 (en) * 2018-10-22 2025-03-05 Zoll Circulation, Inc. Active compression-decompression devices and methods
US12329714B2 (en) * 2020-09-03 2025-06-17 Physio-Control, Inc. Mechanical cardio pulmonary resuscitation device having a contact member
US20220175614A1 (en) * 2020-12-07 2022-06-09 Physio-Control, Inc. Mechanical cardiopulmonary resuscitation device suction cup
US11607368B2 (en) * 2021-04-07 2023-03-21 The Government of the United States of America, as represented by the Secretary of Homeland Security Remote modular system for delivering CPR compression
CN113576877B (zh) * 2021-07-29 2024-07-26 深圳市安保医疗科技股份有限公司 多功能复苏机及其控制方法
US20230063583A1 (en) * 2021-08-30 2023-03-02 Physio-Control, Inc. Backboard alignment of mechanical cpr device
KR102499151B1 (ko) * 2022-08-02 2023-02-13 주식회사 씨유메디칼시스템 심폐소생술장치의 피스톤 커버
KR102499150B1 (ko) * 2022-08-02 2023-02-13 주식회사 씨유메디칼시스템 심폐소생술장치의 피스톤 캡
WO2024167078A1 (ko) * 2023-02-10 2024-08-15 서울대학교산학협력단 압박 연장기를 포함하는 흉부압박 깊이 조절이 가능한 휴대용 심폐소생 장치

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Also Published As

Publication number Publication date
CN104755057A (zh) 2015-07-01
US8888725B2 (en) 2014-11-18
US20140088467A1 (en) 2014-03-27
US20150073314A1 (en) 2015-03-12
JP2015530187A (ja) 2015-10-15
EP2900196A1 (en) 2015-08-05
EP2900196A4 (en) 2016-04-20

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