作者: LAIR 時(shí)間: 2025-3-21 22:43 作者: Excise 時(shí)間: 2025-3-22 01:59
Large-volume Counterpulsationiac cycles, systolic and diastolic. It derived from the observation that myocardial oxygen consumption depends on the myocardial time-tension index [2]. If, therefore, pressure during ventricular ejection could be reduced, oxygen consumption could also be reduced, provided mean arterial perfusion pr作者: 抵制 時(shí)間: 2025-3-22 06:32 作者: 幾何學(xué)家 時(shí)間: 2025-3-22 12:47
Introduction: Clinical Realityality was near 10%. The designs of the pulsatile devices have not changed very much, being basically membrane pumps available in the form of a sac (Portner) or a moving diaphragm (Pierce, Unger, Frazier, Whalen) (Table 1). The driving source is either pneumatic or electromechanical via a tube throug作者: Anthology 時(shí)間: 2025-3-22 14:21 作者: forbid 時(shí)間: 2025-3-22 21:02 作者: Directed 時(shí)間: 2025-3-23 00:34
Clinical Results of the HeartMate Implantable Blood Pumpeds the supply. Consequently, a significant percentage of transplant candidates die while waiting for a donor heart. Temporary mechanical circulatory support for patients waiting for donor organs was introduced by Cooley and co-workers in 1969. Subsequent research has led to the development of ventr作者: 善辯 時(shí)間: 2025-3-23 03:06 作者: 舉止粗野的人 時(shí)間: 2025-3-23 07:07 作者: Commemorate 時(shí)間: 2025-3-23 09:59 作者: BUOY 時(shí)間: 2025-3-23 15:45
Introductionther indication, which should be considered more frequently. Some of the pumps can be used in ECMO or in assisting a part of the circulation during repair of abdominoor abdominothoracic aneurysms. Different devices are available for clinical use, including impeller, aortic, and spindle-designed devi作者: 殺蟲(chóng)劑 時(shí)間: 2025-3-23 19:38
Centrifugal Pumps — Now and the Future It is estimated that these devices have replaced roller pumps in 30% of routine cardiac surgical procedures, especially for procedures that are more prolonged. Their simplicity, reliability, and low cost have also gained for them a major role in the other situations, and it is only in bridging to t作者: GULLY 時(shí)間: 2025-3-23 23:04 作者: 有毛就脫毛 時(shí)間: 2025-3-24 03:23
https://doi.org/10.1007/978-3-642-79340-0Artifical Hearts; Blood Circulation; Blood Pumps; circulation; surgery; transplantation作者: 流利圓滑 時(shí)間: 2025-3-24 09:07
978-3-642-79342-4Springer-Verlag Berlin Heidelberg 1995作者: Fibroid 時(shí)間: 2025-3-24 14:01
Use of the Novacor Left Ventricular Assist System as a Bridge to Cardiac Transplantation: First Expe is still responsible for a high percentage of patients dying while awaiting heart transplantation. Therefore, electrically powered ventricular assist devices [1] and pneumatically driven artificial hearts [2] were used in clinical programs to rescue critically ill cardiac transplant candidates.作者: 職業(yè) 時(shí)間: 2025-3-24 17:32
Progress Toward a Completely Implantable Left Ventricular Assist Device at the Pennsylvania State Unassist device (LVAD) which will be suitable for patients requiring long-term circulatory support. Substantial progress has been achieved by the successful testing of a sealed, wireless LVAD system in vitro and in vivo.作者: 細(xì)絲 時(shí)間: 2025-3-24 20:23
The Hemopump: Clinical Results and Future Applications Seventy million Americans suffer from and nearly two people in five will ultimately die of cardiovascular disease. Acute myocardial infarction kills 500 000 Americans each year and of these, 90000 die of cardiogenic shock. Table 1 shows the number of deaths associated with cardiovascular disease and myocardial infarction in the United States.作者: 許可 時(shí)間: 2025-3-24 23:32 作者: dapper 時(shí)間: 2025-3-25 03:29
https://doi.org/10.1007/978-3-642-40615-7In the recent past, several attempts have been made to develop rotary or nonpulsatile implantable blood pumps for assisted circulation [1–6]. We, too, are engaged in constructing such a device with a design basically identical to that of our 16th prototype of the known spindle pump (Fig. 1).作者: 小卷發(fā) 時(shí)間: 2025-3-25 09:06
Questions and Predictions., “Questions and Predictions” concerned what was best: a left ventricular assist device (LVAD) or a total artificial heart (TAH). For those patients a waiting a transplant, the outcome for LVADs or TAHs is about the same, provided one is prepared to use a right ventricular assist device (RVAD) too, when the LVAD alone cannot cope.作者: 偽造者 時(shí)間: 2025-3-25 12:37
Considerations in the Development of the Mini-Spindle PumpIn the recent past, several attempts have been made to develop rotary or nonpulsatile implantable blood pumps for assisted circulation [1–6]. We, too, are engaged in constructing such a device with a design basically identical to that of our 16th prototype of the known spindle pump (Fig. 1).作者: considerable 時(shí)間: 2025-3-25 16:27
http://image.papertrans.cn/b/image/163471.jpg作者: 隱語(yǔ) 時(shí)間: 2025-3-25 20:00
David Aspinall,Patrick Maier,Ian Starkle in the ejection phase and to increase the myocardial blood supply in the filling phase of the heart. Due to the fact that counterpulsation works in series for the natural heart, the devices are up to 25% effective and depend on a certain amount of residual minimal circulation. In cases of complet作者: 高深莫測(cè) 時(shí)間: 2025-3-26 00:18 作者: Nonflammable 時(shí)間: 2025-3-26 06:19
Formal Methods for Components and Objectsiac cycles, systolic and diastolic. It derived from the observation that myocardial oxygen consumption depends on the myocardial time-tension index [2]. If, therefore, pressure during ventricular ejection could be reduced, oxygen consumption could also be reduced, provided mean arterial perfusion pr作者: 壯觀的游行 時(shí)間: 2025-3-26 12:25
https://doi.org/10.1007/978-3-642-17071-3introduced into the left ventricle and driven by an external pump [1–4]. An optimal relationship between left ventricular geometry and capacity on the one hand and intraventricular balloon shape and volume on the other appears to exist [3]. The selection of an optimal balloon shape and volume is not作者: 裝入膠囊 時(shí)間: 2025-3-26 16:42
Property-Based Testing - The ProTest Projectality was near 10%. The designs of the pulsatile devices have not changed very much, being basically membrane pumps available in the form of a sac (Portner) or a moving diaphragm (Pierce, Unger, Frazier, Whalen) (Table 1). The driving source is either pneumatic or electromechanical via a tube throug作者: degradation 時(shí)間: 2025-3-26 20:40 作者: hallow 時(shí)間: 2025-3-26 23:52 作者: 取之不竭 時(shí)間: 2025-3-27 02:12 作者: Entropion 時(shí)間: 2025-3-27 07:23 作者: 不知疲倦 時(shí)間: 2025-3-27 12:32 作者: atopic 時(shí)間: 2025-3-27 15:52 作者: bromide 時(shí)間: 2025-3-27 18:12
A Perspective on Component Refinement,ther indication, which should be considered more frequently. Some of the pumps can be used in ECMO or in assisting a part of the circulation during repair of abdominoor abdominothoracic aneurysms. Different devices are available for clinical use, including impeller, aortic, and spindle-designed devi作者: Alopecia-Areata 時(shí)間: 2025-3-27 22:41 作者: 修飾 時(shí)間: 2025-3-28 05:50
Olga Gadyatskaya,Fabio Massacci Seventy million Americans suffer from and nearly two people in five will ultimately die of cardiovascular disease. Acute myocardial infarction kills 500 000 Americans each year and of these, 90000 die of cardiogenic shock. Table 1 shows the number of deaths associated with cardiovascular disease an作者: 注意到 時(shí)間: 2025-3-28 09:58 作者: 潛移默化 時(shí)間: 2025-3-28 11:58
Bertrand Jeannet,Thierry Jéron,Vlad Rusuassist device (LVAD) which will be suitable for patients requiring long-term circulatory support. Substantial progress has been achieved by the successful testing of a sealed, wireless LVAD system in vitro and in vivo.作者: 散步 時(shí)間: 2025-3-28 14:42 作者: ureter 時(shí)間: 2025-3-28 21:17
Lecture Notes in Computer Sciences in balloon catheter design intended to minimize associated vascular complications, advances in balloon pump drivers designed to enhance effectiveness and facilitate machine operation, and progress toward a permanent version of the balloon pump (the mechanical auxiliary ventricle) for progressive, refractory chronic heart failure.作者: STALL 時(shí)間: 2025-3-29 01:19 作者: 分貝 時(shí)間: 2025-3-29 04:43
Program Generation and Components,ransplantation that there has been decreasing use as the requirements for longer support (30 days +) and patient mobility have become apparent. Even in some of these patients, however, centrifugal pumps are still briefly deployed to stabilize the patient prior to the decision to utilize a more durable implantable system.作者: Exhilarate 時(shí)間: 2025-3-29 09:15
Book 1995f an ongoing effort by the editors to keep readers regularly informed of recent developments in the field. Assisted Circulation is a standard technology in cardiac surgery and especially in cardiac transplantation.作者: bromide 時(shí)間: 2025-3-29 12:18 作者: 細(xì)節(jié) 時(shí)間: 2025-3-29 17:14 作者: 冰河期 時(shí)間: 2025-3-29 21:10
Formal Methods for Components and Objects]. If, therefore, pressure during ventricular ejection could be reduced, oxygen consumption could also be reduced, provided mean arterial perfusion pressure was maintained at the same level. This principle has been used in the only method of assistance to gain acceptance as a standard clinical therapy, intra-aortic balloon pumping [3].作者: 不能逃避 時(shí)間: 2025-3-30 03:24
https://doi.org/10.1007/978-3-642-17071-3 one hand and intraventricular balloon shape and volume on the other appears to exist [3]. The selection of an optimal balloon shape and volume is not always easy, despite the use of echocardiography prior to its insertion [4]. Thus, additional pumping into the aorta may be needed [4].作者: enfeeble 時(shí)間: 2025-3-30 05:21
Property-Based Testing - The ProTest Projectrtner) or a moving diaphragm (Pierce, Unger, Frazier, Whalen) (Table 1). The driving source is either pneumatic or electromechanical via a tube through the skin. In the electromechanical driving mode, the incorporated devices need a compliance chamber. Furthermore, nonpulsatile blood pumps are also available.作者: Spirometry 時(shí)間: 2025-3-30 11:49
Colin Snook,Vitaly Savicks,Michael Butlerransplantation in a patient who could not be weaned from cardiopulmonary bypass [1]. Since then we have progressed, first using the Jarvik in 1987 [2], then the Hemopump in 1989, the Novacor LVAS in 1991, and implanting the first wearable Novacor in the spring of 1993 [3].作者: 哀悼 時(shí)間: 2025-3-30 16:06
https://doi.org/10.1007/978-3-540-74792-5as on the basis of its efficacy. The mere fact that something is technically possible is no longer considered to be sufficient justification for funding continued research or providing patient care with costly treatment modalities. Expressed more directly, the days of preserving life at any cost appear to be over in this country.作者: 確定無(wú)疑 時(shí)間: 2025-3-30 19:17 作者: Emmenagogue 時(shí)間: 2025-3-30 23:00 作者: 我怕被刺穿 時(shí)間: 2025-3-31 01:40 作者: Lipoma 時(shí)間: 2025-3-31 07:32
Introduction: Clinical Realityrtner) or a moving diaphragm (Pierce, Unger, Frazier, Whalen) (Table 1). The driving source is either pneumatic or electromechanical via a tube through the skin. In the electromechanical driving mode, the incorporated devices need a compliance chamber. Furthermore, nonpulsatile blood pumps are also available.作者: 施加 時(shí)間: 2025-3-31 11:37
Mechanical Circulatory Support at Henri Mondor Hospital: Indications for the Use of Different Deviceransplantation in a patient who could not be weaned from cardiopulmonary bypass [1]. Since then we have progressed, first using the Jarvik in 1987 [2], then the Hemopump in 1989, the Novacor LVAS in 1991, and implanting the first wearable Novacor in the spring of 1993 [3].作者: 賄賂 時(shí)間: 2025-3-31 16:31
The Development of Low-cost Temporary and Permanent Circulatory Assist Devicesas on the basis of its efficacy. The mere fact that something is technically possible is no longer considered to be sufficient justification for funding continued research or providing patient care with costly treatment modalities. Expressed more directly, the days of preserving life at any cost appear to be over in this country.作者: Eeg332 時(shí)間: 2025-3-31 17:54
Introductionpair of abdominoor abdominothoracic aneurysms. Different devices are available for clinical use, including impeller, aortic, and spindle-designed devices. Limitations are embolization and hemolysis from the pump.
