[특허]System, method and apparatus for removal of volatile anesthetics for malignant hyperthermia

Orr, Joseph

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특허 상세정보

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System, method and apparatus for removal of volatile anesthetics for malignant hyperthermia

특허상세정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	A62B-007/10 A62B-019/00 A62B-023/02 A61M-016/00
미국특허분류(USC)	128/205.12;
출원번호	US-0600952 (2012-08-31)
등록번호	US-8800561 (2014-08-12)
발명자 / 주소	Orr, Joseph Westenskow, Dwayne Sakata, Derek
출원인 / 주소	Orr, Joseph
대리인 / 주소	Bateman IP
인용정보	피인용 횟수 : 0 인용 특허 : 26

초록
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Systems, methods, and apparatus for removing volatile anesthetics from an anesthesia or ventilation system to minimize the effects of malignant hyperthermia in susceptible patients. According to one aspect of the present invention, a system for removing volatile anesthetics is provided. A first filter component placed in fluid communication with an inspiratory limb of an anesthesia or ventilation system such that volatile anesthetics will pass through the first filter component during operation of the anesthesia or ventilation system. A second filter component is operably coupled to the expiration port of the anesthesia or ventilation system such that gases passing through the expiratory limb of the anesthesia or ventilation system pass through the second filter component. The first filter component and second filter component are adapted to effectively remove volatile anesthetics passing through the respective filters.

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1. A filter apparatus for use with an anesthesia or ventilation system comprising: a housing having a first filter chamber connected to an inspiration limb of the ventilation system and a second filter chamber connected to an expiration limb of the ventilation system, wherein the first filter chamber comprises a first anesthetic gas adsorbing and removing filter configured to adsorb and remove anesthetic gas and provide inhaled gas to a patient that is substantially free of anesthetic gas, and the second filter chamber comprises a second anesthetic gas adsorbing and removing filter configured to adsorb and remove anesthetic gas and prevent release of such anesthetic gas to the patient, and wherein the first filter chamber and second filter chamber are not in fluid communication;a first inlet port and a first outlet port in fluid communication with the first filter chamber; anda second inlet port and second outlet port in fluid communication with the second filter chamber. 2. The filter apparatus for use with an anesthesia or ventilation system of claim 1, further comprising a separating member within the housing chamber separating the first filter chamber from the second filter chamber from fluid communication. 3. The filter apparatus for use with an anesthesia or ventilation system of claim 2, wherein the separating member is a boundary septum. 4. The filter apparatus for use with an anesthesia or ventilation system of claim 2, wherein the separating member is defined by the profile of the housing. 5. The filter apparatus for use with an anesthesia or ventilation system of claim 1, further comprising a tube connected to at least one of the first inlet port and the first outlet port wherein the tube distinguishes the first filter chamber from the second filter chamber. 6. The filter apparatus for use with an anesthesia or ventilation system of claim 1, wherein at least one of the first filter chamber and the second filter chamber are expandable to increase the fluid volume of the chamber. 7. A self-contained two-part filter apparatus comprising a housing having a first anesthetic removing filter component configured for attachment to the inspiratory limb of an anesthesia or ventilation system such that the first filter component is in fluid communication with an anesthetic passing through the inspiratory limb, wherein the first anesthetic removing filter component is configured to adsorb and remove anesthetic gas and provide inhaled gas to a patient that is substantially free of anesthetic qas, and a second anesthetic removing filter component configured for attachment to the expiratory limb of an anesthesia or ventilation system such that the second anesthetic removing filter component is in fluid communication with an anesthetic passing through the expiratory limb, and wherein the second anesthetic filter component is configured to adsorb and remove anesthetic gas and prevent release of such anesthetic qas to the patient, wherein the first anesthetic removing filter component and second anesthetic removing filter component are not in fluid communication and are each connected to a separate expiration and inhalation limb. 8. The self-contained two-part filter apparatus of claim 7, wherein the first anesthetic removing filter component comprises a first filter chamber and a first anesthetic removing filter disposed in the first filter chamber for removing volatile anesthetics passing through the first filter component. 9. The self-contained two-part filter apparatus of claim 8, wherein the second anesthetic removing filter component comprises a second filter chamber and a second anesthetic removing filter disposed in the second filter chamber for removing volatile anesthetics passing through the second filter component. 10. The self-contained two-part filter apparatus of claim 9, further comprising a separating member for maintaining a fluid tight seal isolating the first filter chamber from the second filter chamber. 11. The self-contained two-part filter apparatus of claim 7, wherein at least one of the first filter component and the second filter component comprises a filter chamber having a void therein, the void being sufficiently large to hold a filter and a fluid volume in addition to the filter. 12. A breathing circuit comprising the self-contained two-part filter apparatus of claim 7, the breathing circuit further comprising a first connector and a second connector for removably attaching the breathing circuit to an anesthesia or ventilation system. 13. The breathing circuit of claim 12, further comprising a separating member disposed between the first connector and the second connector. 14. A system for removing volatile anesthetics from an anesthesia system comprising: an anesthesia machine;a filter apparatus attachable to the anesthesia machine, the filter apparatus comprising a housing having a first filter chamber comprising a first anesthetic adsorbing and removing filter, wherein the first filter chamber is connected to an inspiratory limb of the ventilation system and the first anesthetic adsorbing and removing filter is configured to adsorb and remove anesthetic gas and provide inhaled gas to a patient that is substantially free of anesthetic gas, and a second filter chamber comprising a second anesthetic adsorbing and removing filter, wherein the second filter chamber is connected to an expiratory limb of the ventilation system and the second anesthetic adsorbing and removing filter is configured to adsorb and remove anesthetic gas and prevent release of such anesthetic gas to the patient, wherein the first filter chamber and second filter chamber are not in fluid communication and are each connected to a separate expiration and inhalation limb;wherein the filter apparatus is attached to the anesthesia machine such that the first filter chamber is in fluid communication with the inspiratory limb of the anesthesia machine and the second filter component is in fluid communication with the expiratory limb of the anesthesia machine. 15. The system of claim 14, wherein the filter apparatus comprises a breathing circuit. 16. The system of claim 15, wherein the breathing circuit further comprising a first connector and a second connector for removably attaching the filter apparatus to the anesthesia machine. 17. The system of claim 14, wherein the filter apparatus further comprises a separating member for maintaining a fluid tight seal between the first filter chamber and the second filter chamber. 18. The system of claim 17, wherein the separating member is a boundary septum. 19. The system of claim 17, wherein the separating member is defined by the profile of the housing.

이 특허에 인용된 특허 (26)

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System, method and apparatus for removal of volatile anesthetics for malignant hyperthermia

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System, method and apparatus for removal of volatile anesthetics for malignant hyperthermia

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