WO2008000110A1 - Conduite pulsatoire jetable - Google Patents

Conduite pulsatoire jetable Download PDF

Info

Publication number
WO2008000110A1
WO2008000110A1 PCT/CN2006/003076 CN2006003076W WO2008000110A1 WO 2008000110 A1 WO2008000110 A1 WO 2008000110A1 CN 2006003076 W CN2006003076 W CN 2006003076W WO 2008000110 A1 WO2008000110 A1 WO 2008000110A1
Authority
WO
WIPO (PCT)
Prior art keywords
patient
pulse tube
pulse
arterial
intra
Prior art date
Application number
PCT/CN2006/003076
Other languages
English (en)
Chinese (zh)
Inventor
Sayed Nour
Original Assignee
Wu, Guifu
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 Wu, Guifu filed Critical Wu, Guifu
Publication of WO2008000110A1 publication Critical patent/WO2008000110A1/fr

Links

Classifications

    • 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
    • A61M60/00—Blood pumps; Devices for mechanical circulatory actuation; Balloon pumps for circulatory assistance
    • A61M60/10—Location thereof with respect to the patient's body
    • A61M60/104—Extracorporeal pumps, i.e. the blood being pumped outside the patient's body
    • A61M60/109—Extracorporeal pumps, i.e. the blood being pumped outside the patient's body incorporated within extracorporeal blood circuits or systems
    • A61M60/113—Extracorporeal pumps, i.e. the blood being pumped outside the patient's body incorporated within extracorporeal blood circuits or systems in other functional devices, e.g. dialysers or heart-lung machines
    • 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
    • A61M60/00—Blood pumps; Devices for mechanical circulatory actuation; Balloon pumps for circulatory assistance
    • A61M60/10—Location thereof with respect to the patient's body
    • A61M60/122—Implantable pumps or pumping devices, i.e. the blood being pumped inside the patient's body
    • A61M60/126—Implantable pumps or pumping devices, i.e. the blood being pumped inside the patient's body implantable via, into, inside, in line, branching on, or around a blood vessel
    • A61M60/135—Implantable pumps or pumping devices, i.e. the blood being pumped inside the patient's body implantable via, into, inside, in line, branching on, or around a blood vessel inside a blood vessel, e.g. using grafting
    • A61M60/139—Implantable pumps or pumping devices, i.e. the blood being pumped inside the patient's body implantable via, into, inside, in line, branching on, or around a blood vessel inside a blood vessel, e.g. using grafting inside the aorta, e.g. intra-aortic balloon pumps
    • 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
    • A61M60/00—Blood pumps; Devices for mechanical circulatory actuation; Balloon pumps for circulatory assistance
    • A61M60/20—Type thereof
    • A61M60/247—Positive displacement blood pumps
    • A61M60/253—Positive displacement blood pumps including a displacement member directly acting on the blood
    • A61M60/268—Positive displacement blood pumps including a displacement member directly acting on the blood the displacement member being flexible, e.g. membranes, diaphragms or bladders
    • A61M60/274—Positive displacement blood pumps including a displacement member directly acting on the blood the displacement member being flexible, e.g. membranes, diaphragms or bladders the inlet and outlet being the same, e.g. para-aortic counter-pulsation blood pumps
    • 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
    • A61M60/00—Blood pumps; Devices for mechanical circulatory actuation; Balloon pumps for circulatory assistance
    • A61M60/20—Type thereof
    • A61M60/295—Balloon pumps for circulatory assistance

Definitions

  • the present invention relates to a medical device, and more particularly to a disposable pulse tube for use in a cardiopulmonary bypass machine and an intra-arterial sputum pump for obtaining a stable pulse flow in a patient during cardiopulmonary surgery.
  • CPB cardiac bypass machine
  • IABP intraaortic balloon pump
  • the above-mentioned intra-arterial sputum pump is used to increase myocardial oxygen supply and reduce myocardial oxygen demand, and is used for boosting cardiac output.
  • the above-mentioned cardiopulmonary bypass machine and intra-arterial sputum pump can be combined using a pulstile tube.
  • conventional pulse tubes have the risk of causing contamination to the patient and the risk of gas leakage during operation.
  • conventional pulse tubes are unable to obtain a homogenous pulse flow that is consistent with the physiological pulse flow of the human body.
  • a primary object of the present invention is to provide a disposable pulse tube that reduces contamination and leakage while making patient surgery safer.
  • Another object of the present invention is to provide a disposable pulse tube through which a more homogenous pulse flow can be obtained.
  • a disposable pulse tube for obtaining a pulse flow includes: a tube body; a cardiopulmonary bypass machine end formed at one end of the tube body and connected to a cardiopulmonary bypass machine; formed in the tube The other end of the body is for embedding a patient end in the patient's body; and a double lumen formed between the end of the cardiopulmonary bypass machine and the end of the patient.
  • the dual lumen portion has an integrally formed intra-arterial gas diaphragm.
  • the integrally formed intra-arterial sacral diaphragm is an internal cavity that directly applies pressure to the blood flow of the patient.
  • the integrally formed intra-arterial gas diaphragm is an outer chamber. The outer cavity exerts pressure on the blood flow of the patient by compressing the pulse tube from the outside.
  • the double lumen portion has a length of 45 cm.
  • the pulse tube can be 1.2-1.6 meters long and has a diameter of ll-13 mm.
  • the integrally formed intra-arterial gas diaphragm has a volume of 40 cm 3 and a pulse rate of 10-110 machine pulses per minute.
  • the distance between the patient end and the double lumen portion is 5-10 cm.
  • the integrally formed intra-arterial sacral diaphragm may be mounted to the pulse tube by means of a spiral form, a face-to-face form or a coil form.
  • DRAWINGS 1 is a perspective view of a pulse tube according to an embodiment of the present invention.
  • FIG. 2 is a perspective view of a pulse tube according to another embodiment of the present invention.
  • Fig. 3 is an exploded perspective view showing the pulse tube and the intra-arterial gas tunnel according to an embodiment of the present invention.
  • Figure 4 is a perspective view of the pulse tube and the intra-arterial gas tunnel shown in Figure 3. Detailed ways
  • a disposable pulsatile tube 3 includes a tube body 31; is formed at one end of the tube body 31 and is used with a cardiopulmonary bypass machine (CPB machine, cardiopulmonary) Bypass machine, refer to FIG. 4) a 50-connected cardiopulmonary bypass machine end (CPB end) 34; a patient end 32 formed at the other end of the tube body 31 and for embedding in a patient's body; A double lumen portion 36 between the cardiopulmonary bypass end 34 and the patient end 32.
  • CPB machine cardiopulmonary bypass machine
  • CPB end cardiopulmonary bypass machine end
  • the double lumen portion 36 can be coupled to an external contra pulsation pump (refer to FIG. 4) 60 by means of a passage 38 disposed in the tubular body 31.
  • the external counterpulsor pump 60 regularly provides a suitable gas such as helium or carbon dioxide to cause the dual lumen portion 36 to be inflated or deflated to form a pulse flow that regularly drives the patient's blood.
  • the dual lumen portion 36 preferably includes an integrally formed intraaortic balloon membrane.
  • the integrally formed intrauterine balloon diaphragm is preferably an intraluminal that directly applies pressure to the patient's blood flow.
  • the double lumen portion 36 may have a length of '45 cm.
  • the pulse tube 3 can be 1.2-1.6 meters long and has a diameter of ll-13 mm.
  • the integrally formed intra-arterial gas diaphragm may have a volume of 40 cm 3 and a pulse frequency of 10-110 machine pulses per minute (machine pulse/min)
  • FIG. 3 is a perspective view of a three-dimensional angular separation of a pulse tube and an intraaortic balloon catheter (IAB catheter) according to an embodiment of the present invention.
  • 4 is a perspective view of the pulse tube of FIG. 3 assembled with the intra-arterial gas tunnel.
  • the patient end 32 of the pulse tube 3 is mounted on a linear connector 5, which in turn is connected to a catheter 8.
  • the conduit 8 is in turn connected to another linear connector 6.
  • the linear connector 6 can be suitably placed within the body of the patient to connect the patient end 32 to the patient's body.
  • the cardiopulmonary bypass end 34 cooperates with a Y-connector 4.
  • the Y-shaped connector 4 includes a CBP portion 42' and an intra aortic balloon pump portion (IABP portion) 44.
  • the cardiopulmonary bypass unit 42 is connected to a pediatric cardiopulmonary bypass tube 2, which in turn is connected to a linear connector 9.
  • the linear connector 9 can be coupled to a cardiopulmonary bypass machine 50 such that the cardiopulmonary bypass machine 50 can provide an appropriate 'pulse to the patient's body through the cardiopulmonary bypass end 34 of the pulse tube 3.
  • the intra-arterial pump portion 44 of the Y-shaped connector 4 is mounted on a connector 7, which can be coupled to a pulmonary pump 60 such that the intra-arterial pump 60 and the pulse tube 3
  • the dual lumens (not shown) are connected and form an appropriate pulse within the patient's body.
  • an intra aortic balloon catheter (IAB catheter)! is inserted into the connector bore.
  • the intra-arterial gas tunnel 1 One end can be connected to an external intra-arterial pump.
  • the cardiopulmonary bypass machine and the intra-arterial sputum pump provide a suitable pulse to the patient through the pulse tube 3.
  • the pulse tube of the present invention provides a safer and more homogenous pulse flow.
  • the pulse tube may be mounted on any machine pulsation wind, such as external pumps or intraarterial Nang enhanced counterpulsation apparatus (enhanced external contra pulsation, EECP) 0 pulse tube of the present invention has a wider matching, such as its It can be matched with a cardiopulmonary bypass machine, a heart assist device or an artificial heart to create a downward pulsating homogenous perfusion flow. '
  • the distance between the patient end 32 and the dual lumen portion 36 is sufficiently small to reduce the dead zone between the pulse flow and the patient. In one embodiment, the distance between the patient end 32 and the dual lumen portion 36 is 5-10 cm. '
  • the integrally formed intra-arterial diaphragm can be mounted to the pulse tube by means of a spiral, face to face or coil form. Moreover, the length of the pulse tube can be adjusted as needed. In this case, the channel 38 of the pulse tube must be extractable from the body 31 and be kept at a sufficient distance from the end of the cardiopulmonary bypass, such as 20 cm, in order to re-regulate the length of the pulse tube. Does not cause harm to the patient.
  • the pulse tube is preferably formed from a suitable material such as polyvinyl chloride (PVC) or silicone.
  • PVC polyvinyl chloride
  • the integrally formed intra-arterial diaphragm of the double lumen fistula is made of cardiothane, which reduces red blood cell lysis in the patient.
  • the size of the pulse tube of the present invention may vary depending on the patient.
  • the utility model has a simple structure, which reduces or avoids the side effects of conventional devices such as the existing pulse cardiopulmonary bypass machine.
  • the pulse cardiopulmonary bypass machine has a high operating cost and requires the use of techniques associated with two standard materials that must be used in existing cardiac devices, such as intra-arterial sputum pumps or conventional cardiopulmonary bypass machines.
  • the pulse tube produces a perfusion flow close to physiological pulse pressure, conflicts with pulse pressure/organ perfusion produced by different pulse devices are completely avoided.
  • the pulse tube 3 may have a double lumen portion 36 formed of an integrally formed intra-arterial gas diaphragm.
  • the permanent tube 3 of the month is similar to the above-described pulse tube 3, except that in this embodiment, the integrally formed intra-arterial gas diaphragm of the double lumen portion 36 is an extra luminal.
  • the outer cavity exerts pressure on the blood flow of the patient by compressing the pulse tube from the outside.
  • the operation of the pulse tube 3 is similar to that of the pulse tube 3, and further description is omitted here.

Landscapes

  • Health & Medical Sciences (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Engineering & Computer Science (AREA)
  • Cardiology (AREA)
  • Hematology (AREA)
  • Mechanical Engineering (AREA)
  • Anesthesiology (AREA)
  • Biomedical Technology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Vascular Medicine (AREA)
  • Pulmonology (AREA)
  • Transplantation (AREA)
  • External Artificial Organs (AREA)

Abstract

L'invention concerne une conduite pulsatoire jetable (3) qui permet de générer un écoulement pulsatoire dans le corps d'un patient. Ladite conduite comprend : un tube (31); une extrémité (34) de machine de dérivation coeur-poumon située sur une extrémité du tube (31) et raccordée à une machine de dérivation coeur-poumon (50); une extrémité patient (32) située sur une autre extrémité du tube (31) et insérée dans le corps d'un patient; et une pièce à double lumière (36) qui est disposée entre les deux extrémités. La pièce à double lumière (36) comprend une membrane de ballonnet intra-aortique.
PCT/CN2006/003076 2006-06-20 2006-11-15 Conduite pulsatoire jetable WO2008000110A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CNU2006201222096U CN200966797Y (zh) 2006-06-20 2006-06-20 一次性脉搏管
CN200620122209.6 2006-06-20

Publications (1)

Publication Number Publication Date
WO2008000110A1 true WO2008000110A1 (fr) 2008-01-03

Family

ID=38845094

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN2006/003076 WO2008000110A1 (fr) 2006-06-20 2006-11-15 Conduite pulsatoire jetable

Country Status (2)

Country Link
CN (1) CN200966797Y (fr)
WO (1) WO2008000110A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2929523A1 (fr) * 2008-04-02 2009-10-09 Sayed Nour Nouveau dispositif medical pulsatile
JP2012511364A (ja) * 2008-12-12 2012-05-24 ノール、サイード 体外手術において使用されるように設計された拍動型医療デバイス

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4459977A (en) * 1981-03-27 1984-07-17 Veronique Pizon Coronary sinus retroperfusion apparatus for the treatment of myocardial ischemia
US5910103A (en) * 1997-06-23 1999-06-08 Datascope Investment Corp. Device and method for an IAB assist with multiple balloons
US6149578A (en) * 1999-02-04 2000-11-21 My-Tech, Inc. Piston-action intra-aortic coronary assist device
US6190304B1 (en) * 1999-07-13 2001-02-20 University Of North Texas Health Science Center At Fort Worth Enhanced intra-aortic balloon assist device

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4459977A (en) * 1981-03-27 1984-07-17 Veronique Pizon Coronary sinus retroperfusion apparatus for the treatment of myocardial ischemia
US5910103A (en) * 1997-06-23 1999-06-08 Datascope Investment Corp. Device and method for an IAB assist with multiple balloons
US6149578A (en) * 1999-02-04 2000-11-21 My-Tech, Inc. Piston-action intra-aortic coronary assist device
US6190304B1 (en) * 1999-07-13 2001-02-20 University Of North Texas Health Science Center At Fort Worth Enhanced intra-aortic balloon assist device
US6666814B2 (en) * 1999-07-13 2003-12-23 Polycomp Services, Inc. Enhanced intra-aortic balloon assist device

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2929523A1 (fr) * 2008-04-02 2009-10-09 Sayed Nour Nouveau dispositif medical pulsatile
WO2009136034A2 (fr) * 2008-04-02 2009-11-12 Sayed Nour Nouveau dispositif medical pulsatile
WO2009136034A3 (fr) * 2008-04-02 2009-12-30 Sayed Nour Nouveau dispositif medical pulsatile
JP2011516139A (ja) * 2008-04-02 2011-05-26 ノウル、サイード 新規医療用脈動デバイス
US8333731B2 (en) 2008-04-02 2012-12-18 Sayed Nour Medical pulsating device
JP2012511364A (ja) * 2008-12-12 2012-05-24 ノール、サイード 体外手術において使用されるように設計された拍動型医療デバイス

Also Published As

Publication number Publication date
CN200966797Y (zh) 2007-10-31

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