[특허]Aspirating syringe

Aspirating syringe 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	A61M-005/00
출원번호	US-0186944 (1994-01-27)
발명자 / 주소	Gross James R. (Wareham MA)
출원인 / 주소	The Kendall Company (Mansfield MA 02)
인용정보	피인용 횟수 : 58 인용 특허 : 0

초록 ▼

The invention features an aspirating syringe which includes a plastic syringe barrel having an exterior wall and an inner surface, and leading and trailing ends. The inner surface and ends define a hollow interior chamber and a predetermined volume. The leading end of the barrel has an opening extending through a hub and the trailing end terminates at an outer rim. The syringe also includes a plastic plunger slidingly operative in the barrel. The leading, i.e., sealing, end of the plunger helps to define the hollow interior chamber and the predetermined volume. The plunger extends longitudinally within and beyond the barrel trailing end and is movable in the barrel inwardly toward the leading end and outwardly away from the leading end, thereby varying the predetermined volume of and pressure within the barrel interior chamber. The plunger also has a sealing end receivable inside the barrel to substantially seal the hollow interior chamber and a thumb-receiving end outside the barrel. The syringe includes a finger grip member extending perpendicular from the barrel trailing end. An outward biasing means is coiled around the plunger between the barrel trailing end and the plunger thumb-receiving end to bias the plunger outwardly from the syringe barrel upon advancement of the plunger into the barrel.

대표청구항 ▼

An aspirating syringe, comprising; (a) a plastic syringe barrel having an exterior wall and an inner surface, and a leading and a trailing end, said inner surface and said ends defining a hollow interior chamber and a predetermined volume, said leading end having an opening extending through a hub, said trailing end terminating at an outer rim; (b) a plastic plunger operative in said barrel through said barrel trailing end to define said hollow interior chamber and said predetermined volume, said plunger extending longitudinally within and beyond said barrel leading end and being movable in said barrel inwardly toward said leading end and outwardly away from said leading end, thereby varying the volume of said barrel interior chamber, said plunger having a sealing end receivable inside said barrel to substantially seal said hollow interior chamber and a thumb-receiving end outside said barrel, wherein said plunger sealing end comprises an elastomeric gasket comprising a body with forward and rearward ends and first and second annular flanges positioned circumferentially at the forward and rearward ends of the body, the flanges being separated by an annular space intermediate the body portion and the barrel inner surface, wherein the gasket further comprises an annular projection extending from each flange, each projection being of reduced thickness relative to the thickness of each flange and providing a contact point with the barrel inner surface when said plunger sealing end is received in said barrel chamber, thereby enabling low friction between said gasket and said barrel inner surface during forward and rearward movement of said gasket; and (c) an outward biasing means coiled around said plunger between said barrel trailing end and said plunger thumb-receiving end to bias the plunger outwardly from the syringe barrel upon advancement of the plunger into said barrel.

이 특허를 인용한 특허 (58)

Hu, Dean; Yorkey, Thomas; Anderson, Evan; Wu, Kenneth, Alarm system.
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Yamane, Kenji, Automatic retractable syringe.
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Zinnanti, William, Biopsy device with automatic aspiration.
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Hu, Dean; Pinto, Moshe; Fong, Kenton; Mavani, Akshay; Wu, Kenneth, Closed incision negative pressure wound therapy device and methods of use.
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Hu, Dean; Pinto, Moshe; Fong, Kenton; Mavani, Akshay; Wu, Kenneth, Closed incision negative pressure wound therapy device and methods of use.
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Hu, Dean; Pinto, Moshe; Fong, Kenton; Mavani, Akshay; Wu, Kenneth, Closed incision negative pressure wound therapy device and methods of use.
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Hu, Dean; Pinto, Moshe; Fong, Kenton; Mavani, Akshay; Wu, Kenneth, Closed incision negative pressure wound therapy device and methods of use.
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Hu, Dean; Pinto, Moshe; Fong, Kenton; Mavani, Akshay; Wu, Kenneth, Closed incision negative pressure wound therapy device and methods of use.
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Gabbard Mark E. ; Gabbard Timothy J. ; Niedospial ; Jr. John J., Combined plunger and plunger rod assembly for a syringe.
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Hu, Dean; Yorkey, Thomas; Anderson, Evan; Wu, Kenneth; Coxum, Tony, Controlled negative pressure apparatus and absorbency mechanism.
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Hu, Dean; Yorkey, Thomas; Anderson, Evan; Wu, Kenneth; Coxum, Tony, Controlled negative pressure apparatus and alarm mechanism.
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Hu, Dean; Yorkey, Thomas; Anderson, Evan; Wu, Kenneth; Coxum, Tony, Controlled negative pressure apparatus and alarm mechanism.
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Hu, Dean; Yorkey, Thomas; Anderson, Evan; Wu, Kenneth; Coxum, Tony, Controlled negative pressure apparatus and alarm mechanism.
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Sundar, Satish; Balakrishnan, Swaminathan; Hartman, Albert, Detection apparatus and method.
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Sundar, Satish; Balakrishnan, Swaminathan; Hartman, Albert, Detection apparatus and method.
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Pinto, Moshe; Hu, Dean; Fong, Kenton, Devices and methods for application of reduced pressure therapy.
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Hu, Dean; Pinto, Moshe; Fong, Kenton, Devices and methods for treatment of damaged tissue.
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Hu, Dean; Pinto, Moshe; Fong, Kenton, Devices and methods for treatment of damaged tissue.
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Hu, Dean; Pinto, Moshe; Fong, Kenton, Devices and methods for treatment of damaged tissue.
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Hu, Dean; Pinto, Moshe; Fong, Kenton, Devices and methods for treatment of damaged tissue.
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Hu, Dean; Pinto, Moshe; Fong, Kenton, Devices and methods for treatment of damaged tissue.
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Hu, Dean; Pinto, Moshe; Fong, Kenton, Devices and methods for treatment of damaged tissue.
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Hu, Dean; Wu, Kenneth, Devices and methods to apply alternating level of reduced pressure to tissue.
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Voellmicke,John C.; Parsons,Mathew; Catalano,Nicholas; Bobroff,Randa, Devices for controlling fluid flow through a medium.
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Pond, Gary J., Disposable aspirating safety syringe.
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Davis, Benjamin M.; Ingram, Aaron N.; Burke, John; Costello, Mark M., Enteral syringe.
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Davis, Benjamin M.; Ingram, Aaron N.; Burke, John; Costello, Mark M., Enteral syringe.
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Davis, Benjamin M.; Ingram, Aaron N.; Burke, John; Costello, Mark M., Enteral syringe.
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Davis, Benjamin M.; Ingram, Aaron N.; Burke, John; Costello, Mark M., Enteral syringe.
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Davis, Benjamin M.; Ingram, Aaron N.; Costello, Mark M.; Burke, John, Enteral syringe.
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Bertocci, Gina E., Ergonomic syringe and adaptor.
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Alheidt, Thomas A.; Hottovy, Tracy Ray; Timko, James J., Flush syringe having compressible plunger.
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Hu, Dean; Fong, Kenton; Pinto, Moshe; Wu, Kenneth; McGreevy, Craig; Donohoe, Brendan, Methods and devices for applying closed incision negative pressure wound therapy.
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Hu, Dean; Fong, Kenton; Pinto, Moshe; Wu, Kenneth; McGreevy, Craig; Donohoe, Brendan, Methods and devices for applying closed incision negative pressure wound therapy.
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Hu, Dean; Fong, Kenton; Pinto, Moshe; Wu, Kenneth; McGreevy, Craig; Donohoe, Brendan, Methods and devices for applying closed incision negative pressure wound therapy.
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Wu, Kenneth; Hu, Dean; Nag, Sumona, Methods and devices for applying closed incision negative pressure wound therapy.
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Wu, Kenneth; Hu, Dean; Nag, Sumona, Methods and devices for applying closed incision negative pressure wound therapy.
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Wu, Kenneth; Hu, Dean; Nag, Sumona, Methods and devices for applying closed incision negative pressure wound therapy.
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Pinto, Moshe; Hu, Dean; Fong, Kenton, Methods for application of reduced pressure therapy.
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Ivosevic, Milan; Tekeste, Girum Yemane; Quinn, Michael Vincent; Baranski, Andrzej, Plastic stopper.
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Ivosevic, Milan; Tekeste, Girum Yemane; Wong, Andrew; Quinn, Michael Vincent; Baranski, Andrzej, Plastic stopper.
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Titus, Noel; Yevmenenko, Yan; Hilliard, Christopher Todd, Plunger assembly including a plunger rod for advancing a stopper through a syringe.
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Schiller, Eric; Quinn, Michael V.; Torres, Johanna; Guan, E; Economou, Anthony; Ju, Gang, Positive displacement stopper for a pre-filled syringe.
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Schiller, Eric; Quinn, Michael Vincent; Torres, Johanna; Guan, E; Economou, Anthony; Ju, Gang, Positive displacement stopper for a pre-filled syringe.
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Hu, Dean; Fong, Kenton; Pinto, Moshe; Hui, Philip; Wu, Kenneth; McGreevy, Craig; Anderson, Evan, Pressure indicator.
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Au, Nelson S.; Etter, Jeffrey W.; Carson, Craig A.; Hu, Dean, Reduced pressure therapy device.
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Au, Nelson S.; Etter, Jeffrey W.; Carson, Craig A.; Hu, Dean, Reduced pressure therapy device.
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Pinto, Moshe; Hu, Dean; Fong, Kenton, Reduced pressure therapy devices.
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Hu, Dean; Fong, Kenton; Pinto, Moshe; Wu, Kenneth; Anderson, Evan; Coxum, Anthony; Donohoe, Brendan; Hui, Philip; McGreevy, Craig, Reduced pressure therapy of the sacral region.
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Hu, Dean; Fong, Kenton; Pinto, Moshe; Wu, Kenneth; Anderson, Evan; Coxum, Tony; Donohoe, Brendan; Hui, Philip; McGreevy, Craig, Reduced pressure therapy of the sacral region.
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Berler, Barry B., Safety syringe.
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Schiller, Eric; Quinn, Michael V.; Torres, Johanna; Guan, E; Economou, Anthony; Ju, Gang, Stopper and plunger rod for a pre-filled syringe.
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Quinn, Michael Vincent; Schiller, Eric; Ju, Gang; Guan, E, Stoppers used in pre-filled syringes.
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Quinn, Michael Vincent; Schiller, Eric; Ju, Gang; Guan, E, Stoppers used in pre-filled syringes.
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Quinn, Michael Vincent; Schiller, Eric; Ju, Gang; Guan, E, Stoppers used in pre-filled syringes.
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Reynolds, Susan; Harmon, John, Syringe.
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Stevens Brian W. ; Backman Darryl Kent ; Hendry Garlyn W., Syringe plunger tip.
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