EP1251103A2
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Method and apparatus for treating wastewater
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US5441634A
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Apparatus and method of circulating a body of fluid containing a mixture of solid waste and water and separating them
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US3534410A
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Cloth covered heart valve with composite materials in the areas of ball contact
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GB1169419A
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Improvements in or relating to Umbrella-Type Intralumental Surgical Devices.
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US3467102A
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Leader type catheter
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US3448741A
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Endarterectomy instrument
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US3466671A
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Heart valve prosthesis having a cloth covered body
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US3448739A
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Double lumen diagnostic balloon catheter
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US3325827A
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Double cage heart valve
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US3467101A
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Balloon catheter
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US3357432A
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Anastomotic coupling
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US3371352A
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Heart valve for quick implantation having provision for ingrowth of tissue
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GB1086822A
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Improvements in or relating to catheters
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US3365728A
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Upholstered heart valve having a sealing ring adapted for dispensing medicaments
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US3435826A
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Embolectomy catheter
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US3263239A
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Aorta valve with expansible suturing ring
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