WO1997014450B1 - Container with integral pump platen - Google Patents

Container with integral pump platen

Info

Publication number
WO1997014450B1
WO1997014450B1 PCT/US1996/016770 US9616770W WO9714450B1 WO 1997014450 B1 WO1997014450 B1 WO 1997014450B1 US 9616770 W US9616770 W US 9616770W WO 9714450 B1 WO9714450 B1 WO 9714450B1
Authority
WO
WIPO (PCT)
Prior art keywords
chamber
fluids
fluid
iower
outlet line
Prior art date
Application number
PCT/US1996/016770
Other languages
French (fr)
Other versions
WO1997014450A1 (en
Filing date
Publication date
Application filed filed Critical
Priority to JP51605697A priority Critical patent/JP3980058B2/en
Priority to US09/051,482 priority patent/US6071095A/en
Priority to EP96936725A priority patent/EP0858347B1/en
Priority to DE69634413T priority patent/DE69634413T2/en
Priority to CA002235217A priority patent/CA2235217C/en
Priority to AT96936725T priority patent/ATE289830T1/en
Publication of WO1997014450A1 publication Critical patent/WO1997014450A1/en
Publication of WO1997014450B1 publication Critical patent/WO1997014450B1/en

Links

Abstract

A container (400) for the collection of fluids in a vacuum system includes upper and lower chambers (402, 404). Fluids are admitted to the upper chamber (402) to form a vortex and separate fluid and debris from air. The fluids then pass to the lower chamber (404) through a filter (412). A discharge tube (428) is connected to the lower chamber (404) to allow the accumulated fluids to be pumped from the container (400). The bottom of the lower chamber (404) includes a recess (430) that forms a platen for a roller pump, and a discharge tube (428) is located adjacent the platen whereby rollers (426) engage the tube (428) and platen upon installation of the chamber (400) on a base. A second port (418) is provided to the upper chamber (402) for admission of a second fluid such as an anticoagulant.

Claims

AMENDED CLAIMS[received by the International Bureau on 11 April 1997 (11.04.97); original claims 1-12 amended; new claims 13-17 added (2 pages)]
1. Apparatus for collection of fluids comprising a chamber formed by an upper element and a Iower element, wherein said upper element comprises an upper chamber formed between an outer wall and an inner wall and said inner wall forms an inner cavity in communication wKh said Iower element a vacuum port connected to said inner cavity for conducting air from said chamber and reducing the pressure in said chamber, a fluid inlet for admitting a first fluid into said upper chamber in response to reduced pressure in said chamber, and means for discharging said fluids from said chamber.
2. Apparatus according to claim 1 further comprising a second port for admitting a second fluid to said upper chamber in response to said reduced pressure for mixing with said first fluid in said upper chamber, means attached to said second port for controlling the flow of said second fluid into said upper chamber such that the amount of said βecond fluid drawn into said chamber is in approximately fixed proportion to the amount of said first fluid drawn into said chamber
3. Apparatus according to claim 2 wherein said means attached to said second port is a porous disk.
4. Apparatus according to claim 1 wherein said upper chamber receives said first fluid from the exterior of said chamber and forms therein a vortex flow in said first fluid.
5. Apparatus according to claim 4 wherein said means for discharging comprises a discharge port connected to said Iower element.
6. Apparatus according to claim 5 wherein said means for discharging further comprises a flexible outlet line connected to said discharge port and a roller-pump platen formed in said lower element adjacent said flexible outlet line.
7. Apparatus according to claim 6 wherein said platen is formed in a bottom surface of said Iower element.
8. Apparatus according to claim 1 wherein said fluid inlet is positioned with respect to said upper element to form a vortex flow in said first fluid.
9. Apparatus for collection and discharge of fluids comprising a chamber for receiving said fluids, a fluid inlet for admitting said -fluids to said chamber, a discharge port for allowing said fluids to flow out of said chamber, a flexible outlet line attached to said discharge port for carrying discharged fluids, and a recess in said chamber adjacent said flexible outlet line, said recess forming a platen for engaging said flexible outlet line when said flexible outlet line is pushed into engagement with said recess by rollers to pump said fluids through said discharge port.
10. Apparatus according to claim 9 wherein said recess is in the bottom of said chamber.
7
11. Apparatus according to claim 9 wherein said chamber comprises an upper element and a Iower element in fluid communication with said upper element and said fluid inlet is tangentially located in said upper element to form a vortex flow in said fluids that are admitted to said upper element.
12. Apparatus according to claim 11 wherein said upper element is cylindrical.
13. Apparatus according to claim 11 further comprising a vacuum port in communication with said tower element
14. Apparatus according to claim 13 wherein said vacuum port communicates with an inner cavity formed in said upper element, said inner cavity being in communication with said Iower element
15. Apparatus according to claim 13 further comprising a clip for supporting one end of said flexible outlet line.
16. Apparatus according to claim 13 further comprising a filter between said upper and lower elements for removing particulates from said fluids passing from said upper element to said iower element
17. Apparatus according to claim 9 wherein said chamber comprises an upper element and a lower element, said upper chamber is formed between an outer wall and an inner wall, and said inner wall forms an inner cavity in communication with said lower element, and further comprising a vacuum port connected to said inner cavity for conducting air from said chamber and reducing the pressure in said chamber.
8
PCT/US1996/016770 1995-10-20 1996-10-18 Container with integral pump platen WO1997014450A1 (en)

Priority Applications (6)

Application Number Priority Date Filing Date Title
JP51605697A JP3980058B2 (en) 1995-10-20 1996-10-18 A container that combines a pump and a platen
US09/051,482 US6071095A (en) 1995-10-20 1996-10-18 Container with integral pump platen
EP96936725A EP0858347B1 (en) 1995-10-20 1996-10-18 Container with integral pump platen
DE69634413T DE69634413T2 (en) 1995-10-20 1996-10-18 CONTAINER WITH INTEGRAL PUMP PRESSURE PLATE
CA002235217A CA2235217C (en) 1995-10-20 1996-10-18 Container with integral pump platen
AT96936725T ATE289830T1 (en) 1995-10-20 1996-10-18 TANK WITH INTEGRAL PUMP PRESSURE PLATE

Applications Claiming Priority (6)

Application Number Priority Date Filing Date Title
US577295P 1995-10-20 1995-10-20
US812895P 1995-10-20 1995-10-20
US812795P 1995-10-20 1995-10-20
US60/005,772 1995-10-20
US60/008,127 1995-10-20
US60/008,128 1995-10-20

Publications (2)

Publication Number Publication Date
WO1997014450A1 WO1997014450A1 (en) 1997-04-24
WO1997014450B1 true WO1997014450B1 (en) 1997-05-15

Family

ID=27357952

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US1996/016770 WO1997014450A1 (en) 1995-10-20 1996-10-18 Container with integral pump platen

Country Status (8)

Country Link
US (1) US5857843A (en)
EP (1) EP0858347B1 (en)
JP (1) JP3980058B2 (en)
CN (1) CN1200041A (en)
AT (1) ATE289830T1 (en)
CA (1) CA2235217C (en)
DE (1) DE69634413T2 (en)
WO (1) WO1997014450A1 (en)

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