System and method for delivering a substance to a body cavity
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
A61M-037/00
출원번호
UP-0961475
(2004-10-07)
등록번호
US-7704223
(2010-05-20)
발명자
/ 주소
Mantell, Robert R.
출원인 / 주소
Northgate Technologies Inc.
대리인 / 주소
Brinks Hofer Gilson & Lione
인용정보
피인용 횟수 :
6인용 특허 :
77
초록▼
A system and method for creating a medicated atmosphere in an organ, or body cavity is disclosed. The system includes a flexible aerosolization catheter, a device for introducing of the aerosolization catheter, a medication delivery apparatus configured to control delivery of a medication to the cat
A system and method for creating a medicated atmosphere in an organ, or body cavity is disclosed. The system includes a flexible aerosolization catheter, a device for introducing of the aerosolization catheter, a medication delivery apparatus configured to control delivery of a medication to the catheter, a gas delivery apparatus in communication with the catheter, a gas pressure relief apparatus configured to relieve pressure in the organ or body cavity, and a central controller in communication with the medication delivery apparatus, gas delivery apparatus, and gas pressure relief apparatus. The method includes providing insufflation gas and an aerosol of medication to an organ or body cavity while controlling overall pressure in the organ or cavity. The method may also include re-entering a patient through at least one port to apply gas and an aerosolized medicament, in either a post-operative procedure or in a chemotherapy context.
대표청구항▼
I claim: 1. A system for providing a controlled environment in a body cavity of a patient, the system comprising: an insufflator adapted to provide a supply of gas to the body cavity via a gas line; a nebulizing catheter in communication with a source of nebulizing gas and a source of fluid for neb
I claim: 1. A system for providing a controlled environment in a body cavity of a patient, the system comprising: an insufflator adapted to provide a supply of gas to the body cavity via a gas line; a nebulizing catheter in communication with a source of nebulizing gas and a source of fluid for nebulizing, the nebulizing catheter having a distal end positionable in the body cavity and configured to generate an aerosol at the distal end within the body cavity; at least one pressure relief valve in communication with one of the gas line or the source of nebulizing gas, the at least one pressure relief valve for maintaining a pressure in the body cavity; and a central controller in communication with the insufflator, the source of nebulizing gas, the source of fluid and the pressure relief valve to coordinate delivery of fluid and gas, while maintaining a desired pressure in the body cavity, wherein the central controller is configured to monitor and adjust delivery of fluid by the source of fluid to the nebulizing catheter. 2. The system of claim 1, wherein the at least one pressure relief valve comprises one of an electrically or pneumatically controllable valve. 3. The system of claim 1, wherein the at least one pressure relief valve comprises a passive mechanical valve. 4. The system of claim 1, wherein the system comprises a system for performing a laparoscopic procedure for providing the controlled environment in the body cavity of the patient. 5. A system for use in a minimally invasive procedure to deliver a substance to a body cavity of a patient, the system comprising: a fluid dispensing controller in communication with a gas supply and the substance; a catheter configured for insertion into the body cavity, the catheter comprising: a gas delivery channel configured for delivery of gas from the gas supply to the body cavity of the patient, wherein the gas delivery channel comprises an only source of gas provided to the body cavity; and a substance delivery channel configured for delivery of the substance to the body cavity of the patient; and the gas delivery channel and the substance delivery channel extending separately into, and terminating within, a distal end positionable in the body cavity, wherein the distal end is configured to cause gas from the gas delivery channel to mix with the substance from the substance delivery channel outside the gas delivery channel and substance delivery channel and within the body cavity to form an aerosol; at least one pressure relief valve in communication with one of the gas and substance delivery channels for maintaining a pressure in the body cavity; and wherein gas delivered to the body cavity via the gas delivery channel both distends the body cavity and nebulizes the substance. 6. The system of claim 5, wherein the pressure relief valve comprises a passive pressure relief valve configured for positioning adjacent the body cavity. 7. The system of claim 5, wherein the pressure relief valve comprises an active pressure relief valve positioned adjacent the gas supply and in communication with the body cavity via an external pressure sense line. 8. The system of claim 5, wherein the fluid dispensing controller comprises a housing sized to removably receive a disposable syringe. 9. The system of claim 8, further comprising a disposable catheter defining at least a portion of the gas delivery channel, the disposable catheter operatively connected with the disposable syringe via one of a direct connection or a disposable tube. 10. The system of claim 5, further comprising a plurality of syringes in communication with the substance delivery channel and independently controllable by the fluid dispensing controller to provide a plurality of fluids to the substance delivery channel. 11. The system of claim 10, wherein the plurality of syringes are in communication with the substance delivery channel via a mixing chamber. 12. The system of claim 11, wherein the mixing chamber is connected to a pressurized gas supply. 13. The system of claim 5, wherein the minimally invasive procedure comprises and endoscopic procedure. 14. The system of claim 13, wherein the endoscopic procedure comprises a laparoscopic procedure.
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이 특허에 인용된 특허 (77)
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Ott Douglas E. (682 Foster Rd. Macon GA 31210) Schaefer John F. (Macon GA) Gray Robert I. (Macon GA), Method and apparatus for conditioning insufflation gas for laparoscopic surgery.
Blackwell Brian R. (4680 W. 11th Avenue Vancouver ; B. C. CAX V6R 2M7) MacCallum Colin (1808 Duchess Avenue West Vancouver ; B. C. CAX V7V 1R1), Method and apparatus for improving fluid flow and gas mixing in boilers.
Douglas Donald D. (703 White Swan Dr. Arnold MD 21012) Hamel James A. (Virginia Beach VA), Method and device for controlling pressure, volumetric flow rate and temperature during gas insuffication procedures.
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