US Patent No: 5,312,343

Number of patents in Portfolio can not be more than 2000

Device for segmental perfusion and aspiration of colon and rectum

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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The present invention concerns a device for segmental perfusion/aspiration of intestinal segments, including a catheter (1) having one large central channel (10) and several parallel, in relation to the central channel smaller channels (11-21) which, through holes in the outer wall of the catheter, are used for inflation of segment-delimiting balloons arranged along the catheter and around its circumference, for aspiration and perfusion of fluid from and to different segments of the intestine delimited by balloons, and for release of marker substance. The invention is characterized by that the device is shaped for introduction through the anal orifice, that the device includes two intestinal segments which are delimited by four inflatable balloons, that the device is provided with an anchoring device (2), which after introduction of the catheter is inflated in order to firmly fix the catheter to the anal orifice, and that the central channel is designed to receive an endoscope.

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Patent Owner(s)

Patent OwnerAddressTotal Patents
HALLGREN, ROGERYVERDON, SE1
KROG; MICHAELGAVLE, SE1
RAAB; YNGVEGAVLE, SE1

International Classification(s)

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Hallgren, Roger Balinge, SE 8 71
Knutson, Lars Cellovagen 124 E, Upsala, SE 1 50
Krog, Michael Engelbrektsgatan 4, S-803 24 Gavle, SE 1 50
Raab, Yngve Cellovagen 124 E, S-756 54 Uppsala, SE 1 50

Cited Art Landscape

Patent Info (Count) # Cites Year
 
SAHOTA, HARVINDER (1)
4,983,167 Balloon catheters 214 1988
 
SHELHIGH, INC. (1)
4,527,549 Method of and means for intraaortic assist 107 1982
 
UNIVERSITY OF PITTSBURGH - OF THE COMMONWEALTH SYSTEM OF HIGHER EDUCATION (1)
4,484,579 Commissurotomy catheter apparatus and method 100 1982
 
Other [Check patent profile for assignment information] (1)
4,368,739 Long intestinal catheter 32 1981

Patent Citation Ranking

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Other [Check patent profile for assignment information] (5)
5,620,604 Dialysis system and method for removing toxic matter from the serum of the large intestine 2 1994
5,505,701 Intra-aortic balloon catheter 67 1994
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