Dial-Down Mechanism for Wind-Up Pen
The invention relates to a torsion spring driven injection device having a dial-down mechanism for dialling down a selected dose size. The torsion spring (2) is strained when setting a dose by rotating a proximally located dose setting button(30) relatively to the housing in a first direction and un...
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| creator | ROERVIG SIMON PEDERSEN SIMON MUNCH |
| description | The invention relates to a torsion spring driven injection device having a dial-down mechanism for dialling down a selected dose size. The torsion spring (2) is strained when setting a dose by rotating a proximally located dose setting button(30) relatively to the housing in a first direction and unstained when rotating the same dose setting button (30) in a second direction opposite the first direction. In order to secure the torsion spring (2) in its strained position a one-way ratchet mechanism is provided. This one-way ratchet mechanism comprises a fixation element (1) coupled to the housing and having a toothing (6) and a ratchet element (20) having at least one ratchet arm (22) engaging the fixation element (1) and which ratchet element (20) is operational coupled to the dose setting button (30). The dose setting button (30) directly engages the at least one ratchet arm (22) when the dose setting button (30) is rotated in the second direction which releases the at least one ratchet arm (22) from the toothing (6) of the fixation element (1) and allows the ratchet element (20) to rotate relatively to the fixation element (1) in the second direction under influence of the torsion spring (2). |
| format | Patent |
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The torsion spring (2) is strained when setting a dose by rotating a proximally located dose setting button(30) relatively to the housing in a first direction and unstained when rotating the same dose setting button (30) in a second direction opposite the first direction. In order to secure the torsion spring (2) in its strained position a one-way ratchet mechanism is provided. This one-way ratchet mechanism comprises a fixation element (1) coupled to the housing and having a toothing (6) and a ratchet element (20) having at least one ratchet arm (22) engaging the fixation element (1) and which ratchet element (20) is operational coupled to the dose setting button (30). The dose setting button (30) directly engages the at least one ratchet arm (22) when the dose setting button (30) is rotated in the second direction which releases the at least one ratchet arm (22) from the toothing (6) of the fixation element (1) and allows the ratchet element (20) to rotate relatively to the fixation element (1) in the second direction under influence of the torsion spring (2).</description><language>eng</language><subject>DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY ; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR ; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROMTHE BODY ; HUMAN NECESSITIES ; HYGIENE ; MEDICAL OR VETERINARY SCIENCE</subject><creationdate>2015</creationdate><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20150528&DB=EPODOC&CC=US&NR=2015148750A1$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,780,885,25563,76318</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20150528&DB=EPODOC&CC=US&NR=2015148750A1$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>ROERVIG SIMON</creatorcontrib><creatorcontrib>PEDERSEN SIMON MUNCH</creatorcontrib><title>Dial-Down Mechanism for Wind-Up Pen</title><description>The invention relates to a torsion spring driven injection device having a dial-down mechanism for dialling down a selected dose size. The torsion spring (2) is strained when setting a dose by rotating a proximally located dose setting button(30) relatively to the housing in a first direction and unstained when rotating the same dose setting button (30) in a second direction opposite the first direction. In order to secure the torsion spring (2) in its strained position a one-way ratchet mechanism is provided. This one-way ratchet mechanism comprises a fixation element (1) coupled to the housing and having a toothing (6) and a ratchet element (20) having at least one ratchet arm (22) engaging the fixation element (1) and which ratchet element (20) is operational coupled to the dose setting button (30). The dose setting button (30) directly engages the at least one ratchet arm (22) when the dose setting button (30) is rotated in the second direction which releases the at least one ratchet arm (22) from the toothing (6) of the fixation element (1) and allows the ratchet element (20) to rotate relatively to the fixation element (1) in the second direction under influence of the torsion spring (2).</description><subject>DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY</subject><subject>DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR</subject><subject>DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROMTHE BODY</subject><subject>HUMAN NECESSITIES</subject><subject>HYGIENE</subject><subject>MEDICAL OR VETERINARY SCIENCE</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>2015</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNrjZFB2yUzM0XXJL89T8E1NzkjMyyzOVUjLL1IIz8xL0Q0tUAhIzeNhYE1LzClO5YXS3AzKbq4hzh66qQX58anFBYnJqXmpJfGhwUYGhqaGJhbmpgaOhsbEqQIABKImQg</recordid><startdate>20150528</startdate><enddate>20150528</enddate><creator>ROERVIG SIMON</creator><creator>PEDERSEN SIMON MUNCH</creator><scope>EVB</scope></search><sort><creationdate>20150528</creationdate><title>Dial-Down Mechanism for Wind-Up Pen</title><author>ROERVIG SIMON ; PEDERSEN SIMON MUNCH</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_US2015148750A13</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>eng</language><creationdate>2015</creationdate><topic>DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY</topic><topic>DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR</topic><topic>DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROMTHE BODY</topic><topic>HUMAN NECESSITIES</topic><topic>HYGIENE</topic><topic>MEDICAL OR VETERINARY SCIENCE</topic><toplevel>online_resources</toplevel><creatorcontrib>ROERVIG SIMON</creatorcontrib><creatorcontrib>PEDERSEN SIMON MUNCH</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>ROERVIG SIMON</au><au>PEDERSEN SIMON MUNCH</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>Dial-Down Mechanism for Wind-Up Pen</title><date>2015-05-28</date><risdate>2015</risdate><abstract>The invention relates to a torsion spring driven injection device having a dial-down mechanism for dialling down a selected dose size. The torsion spring (2) is strained when setting a dose by rotating a proximally located dose setting button(30) relatively to the housing in a first direction and unstained when rotating the same dose setting button (30) in a second direction opposite the first direction. In order to secure the torsion spring (2) in its strained position a one-way ratchet mechanism is provided. This one-way ratchet mechanism comprises a fixation element (1) coupled to the housing and having a toothing (6) and a ratchet element (20) having at least one ratchet arm (22) engaging the fixation element (1) and which ratchet element (20) is operational coupled to the dose setting button (30). The dose setting button (30) directly engages the at least one ratchet arm (22) when the dose setting button (30) is rotated in the second direction which releases the at least one ratchet arm (22) from the toothing (6) of the fixation element (1) and allows the ratchet element (20) to rotate relatively to the fixation element (1) in the second direction under influence of the torsion spring (2).</abstract><oa>free_for_read</oa></addata></record> |
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| subjects | DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROMTHE BODY HUMAN NECESSITIES HYGIENE MEDICAL OR VETERINARY SCIENCE |
| title | Dial-Down Mechanism for Wind-Up Pen |
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