Source: http://www.google.com/patents/US7867200?dq=7,441,219
Timestamp: 2014-04-20 21:23:12
Document Index: 239337594

Matched Legal Cases: ['arts 10', 'arts 10', 'arts 10', 'art 30', 'art 30', 'art 13', 'art 13']

Patent US7867200 - Inserter - Google PatentsSearch Images Maps Play YouTube News Gmail Drive More »Sign inAdvanced Patent SearchPatentsThe invention relates to an inserter for an infusion set for intermittent or continuous administration of a therapeutical substance such as e.g. insulin. The inserter comprises a needle unit comprising a needle hub (2) and a carrier body (4), and a cannula housing (3). The cannula housing and the needle...http://www.google.com/patents/US7867200?utm_source=gb-gplus-sharePatent US7867200 - InserterAdvanced Patent SearchPublication numberUS7867200 B2Publication typeGrantApplication numberUS 11/721,263PCT numberPCT/DK2005/050010Publication dateJan 11, 2011Filing dateDec 9, 2005Priority dateDec 10, 2004Also published asCA2589693A1, CN101072597A, CN101072597B, EP1824537A2, US7867199, US20060161108, US20090306596, WO2006061027A2, WO2006061027A3Publication number11721263, 721263, PCT/2005/50010, PCT/DK/2005/050010, PCT/DK/2005/50010, PCT/DK/5/050010, PCT/DK/5/50010, PCT/DK2005/050010, PCT/DK2005/50010, PCT/DK2005050010, PCT/DK200550010, PCT/DK5/050010, PCT/DK5/50010, PCT/DK5050010, PCT/DK550010, US 7867200 B2, US 7867200B2, US-B2-7867200, US7867200 B2, US7867200B2InventorsLasse W. Mogensen, Magnus W. G�ranssonOriginal AssigneeUnomedical A/SExport CitationBiBTeX, EndNote, RefManPatent Citations (100), Non-Patent Citations (7), Classifications (11), Legal Events (3) External Links: USPTO, USPTO Assignment, EspacenetInserterUS 7867200 B2Abstract The invention relates to an inserter for an infusion set for intermittent or continuous administration of a therapeutical substance such as e.g. insulin. The inserter comprises a needle unit comprising a needle hub (2) and a carrier body (4), and a cannula housing (3). The cannula housing and the needle hub are releasably connected and when they are connected, the insertion needle (6) is placed inside the cannula (5). The carrier body guides the movement relative to the set housing between a retracted and an advanced position. When released the needle unit and the cannula housing are forced by a spring unit (13) to an advanced position where the needle and cannula are placed subcutaneously. The object of the invention is to provide a disposable inserter for an infusion set which inserter is easy and safe for the user to handle during use and to dispose of after use.
This application is a 35 U.S.C. �371 national stage application of International Application No. PCT/DK2005/050010, filed Dec. 9, 2005, which is a continuation-in-part of Danish Patent Application No. PA 200401914, filed Dec. 10, 2004 and which claims the benefit of U.S. application Ser. Nos. 60/634,940, filed Dec. 10, 2004; 60/679,453, filed May 9, 2005 and 60/699,472, filed Jul. 15, 2005, these references are incorporated herein in their entirety.
In yet another embodiment the set housing is formed of a single U-shaped piece of material. The set housing is U-shaped which means that it is constructed of a rectangular or elliptic piece of flat material which is bent in such a way that the ends of the material�seen from the side�forms two substantial parallel legs connected in one end with a straight or arched line, where the legs are not necessarily of the same length. The material is of a bend form which does not mean that it is constructed by bending; it could e.g. be molded in a bend form. When the set housing is U-shaped the part called the lower leg is the leg in contact with the user when the inserter is in position for insertion of the infusion device.
The guiding means of the set housing in FIGS. 1-3 comprises two opposite and outward L-profiles 9 a standing up from the lower leg 1 b, flanges 9 b extending downwardly from the upper leg 1 a and flanges 9 b extending inwardly from side parts of the upper leg 1 a being in contact with the sides 9 e of the needle unit 2, 4. The corresponding guiding means on the needle unit 2, 4 comprise at the bottom side of the needle unit 2, 4 two inward L-profiles (not shown in figures) which profiles correspond to the outward L-profiles on the set housing 1, see FIG. 5, and on the upper side of the needle unit 2, 4 two flanges 9 d are standing up from the top side keeping contact with the upper leg 1 a and the flanges 9 b. At the end of the lower leg 1 b two upwardly bend parts 10 are formed. These parts 10 indicate the correct insertion angle for the user when the user inserts the cannula. Also the parts 10 will assure that a mounting pad 14 placed in connection with the cannula housing 3 will be in correct and ready position when the cannula 5 is inserted.
The combination of the L-profiles and the rectangular plate assures that the carrier body has limited possibilities for moving up and down, and is lead along the wall of the set housing 1 in a very controlled manner. The spring unit 13 in this embodiment consists of elastic in the form of an O-ring. The spring is fastened to the lower front part of the set housing 1 at the position p1 and the lower part of the carrier body 4 at position p2. In this embodiment the spring unit 13 is fastened behind�and beyond�the carrier part of the carrier body 4 which causes the carrier body 4 to get into a slightly tilted position when the spring is biased as only the lower part of the carrier body 4 is pulled forward by the spring unit 13, and this tilted position can lock or support the locking of the carrier body 4 in the retracted position as the guiding means 9 d are provided with a protruding part 30 (see FIG. 12, 15, 19, 20) on the rearmost half. When the spring unit 13 is biased, this protruding part 30 will be influenced by a downward force created because the carrier body 4 is being pulled forward at a low point.
FIG. 15 shows a seventh embodiment of the inserter where the spring unit 13 is formed of a coiled spring. The rearmost part 13 a of the coiled spring unit 13 is stationary to the set housing 1 and the front part 13 b of the coiled spring 13 is fastened to the needle unit 2, 4 or to the handle 22 or is simply resting against a part of the movable needle unit or handle in a slightly biased state. The spring unit 13 might be partly enclosed in a trail lying along the bottom wall of the set housing 1. Such a trail would preferably be made of the same material as the set housing 1. The trail can consist of to walls rising from the bottom wall of the set housing 1, and the walls might be parallel, rounded inwards or inclined toward each other. A part of the needle unit 2, 4 is formed as reaching downwards, and this part reaches down into and slides inside the trail. The front end 13 b of the spring unit 13 is fastened to or rest against this part. When the handle 22 is brought to the retracted position, this part will assure that the spring unit 13 inside the trail is biased by pushing the movable end 13 b of the spring unit 13 towards the stationary end 13 a. FIG. 16 shows an eighth embodiment of the inserter where the spring unit 13 is a circular or rectangular leaf spring. The back end 13 a of this flat spring 13 is stationary to the set housing 1, and the back end 13 b is fastened or rest against a part of the top wall of the set housing 1. The front end 13 b is fastened to the lower side of the needle unit 2, 4 e.g. at a position p2 (see FIGS. 9 a and 9 b).
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No. 11/298,259.Classifications U.S. Classification604/164.12, 604/181, 604/164.01International ClassificationA61M5/178, A61M5/00Cooperative ClassificationA61M5/158, A61M2005/1585, A61M25/0612, A61M2005/1587European ClassificationA61M5/158, A61M25/06DLegal EventsDateCodeEventDescriptionOct 6, 2011ASAssignmentEffective date: 20110926Owner name: JPMORGAN CHASE BANK, N.A., AS COLLATERAL AGENT, TEFree format text: AMENDED AND RESTATED SECURITY AGREEMENT;ASSIGNOR:UNOMEDICAL A/S;REEL/FRAME:027024/0354Jan 6, 2011ASAssignmentOwner name: JPMORGAN CHASE BANK, N.A., AS COLLATERAL AGENT, TEFree format text: SECURITY AGREEMENT;ASSIGNOR:UNOMEDICAL A/S;REEL/FRAME:025592/0037Effective date: 20101222Sep 11, 2007ASAssignmentOwner name: UNOMEDICAL A/S, DENMARKFree format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNORS:MOGENSEN, LASSE W.;GORANSSON, MAGNUS W.;REEL/FRAME:019810/0130;SIGNING DATES FROM 20070705 TO 20070804Free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNORS:MOGENSEN, LASSE W.;GORANSSON, MAGNUS W.;SIGNING DATES FROM 20070705 TO 20070804;REEL/FRAME:019810/0130RotateOriginal ImageGoogle Home - Sitemap - USPTO Bulk Downloads - Privacy Policy - Terms of Service - About Google Patents - Send FeedbackData provided by IFI CLAIMS Patent Services©2012 Google