Excitation device for automatic injection pen
The utility model relates to an excitation device for an automatic injection pen. The excitation device comprises a shell, a needle hiding sleeve, an inner sleeve and a piston assembly, the hidden needle sleeve is installed in the shell in a sliding mode. A lower spring sleeve is fixed on the inner...
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| creator | WANG JING SHEN WEI ZOU HONGXIA |
| description | The utility model relates to an excitation device for an automatic injection pen. The excitation device comprises a shell, a needle hiding sleeve, an inner sleeve and a piston assembly, the hidden needle sleeve is installed in the shell in a sliding mode. A lower spring sleeve is fixed on the inner side of the lower part of the needle hiding sleeve; a lower spring clamping hook protruding inwards is arranged on the upper portion of the lower spring sleeve. The inner sleeve is mounted in the needle hiding sleeve in a sliding manner; a sliding groove is formed in the outer side of the lower portion of the inner sleeve, and the lower spring clamping hook is clamped in the sliding groove. A narrowing spring is arranged between the lower part of the inner sleeve and the lower spring sleeve; a medicine pushing spring is arranged on the outer side of a spring supporting part of the piston assembly and is pressed against the top of the inner side of the inner sleeve in a pre-compression mode. According to the automat |
| format | Patent |
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The excitation device comprises a shell, a needle hiding sleeve, an inner sleeve and a piston assembly, the hidden needle sleeve is installed in the shell in a sliding mode. A lower spring sleeve is fixed on the inner side of the lower part of the needle hiding sleeve; a lower spring clamping hook protruding inwards is arranged on the upper portion of the lower spring sleeve. The inner sleeve is mounted in the needle hiding sleeve in a sliding manner; a sliding groove is formed in the outer side of the lower portion of the inner sleeve, and the lower spring clamping hook is clamped in the sliding groove. A narrowing spring is arranged between the lower part of the inner sleeve and the lower spring sleeve; a medicine pushing spring is arranged on the outer side of a spring supporting part of the piston assembly and is pressed against the top of the inner side of the inner sleeve in a pre-compression mode. According to the automat</description><language>chi ; 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>2022</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=20220412&DB=EPODOC&CC=CN&NR=216258592U$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,780,885,25563,76318</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20220412&DB=EPODOC&CC=CN&NR=216258592U$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>WANG JING</creatorcontrib><creatorcontrib>SHEN WEI</creatorcontrib><creatorcontrib>ZOU HONGXIA</creatorcontrib><title>Excitation device for automatic injection pen</title><description>The utility model relates to an excitation device for an automatic injection pen. The excitation device comprises a shell, a needle hiding sleeve, an inner sleeve and a piston assembly, the hidden needle sleeve is installed in the shell in a sliding mode. A lower spring sleeve is fixed on the inner side of the lower part of the needle hiding sleeve; a lower spring clamping hook protruding inwards is arranged on the upper portion of the lower spring sleeve. The inner sleeve is mounted in the needle hiding sleeve in a sliding manner; a sliding groove is formed in the outer side of the lower portion of the inner sleeve, and the lower spring clamping hook is clamped in the sliding groove. A narrowing spring is arranged between the lower part of the inner sleeve and the lower spring sleeve; a medicine pushing spring is arranged on the outer side of a spring supporting part of the piston assembly and is pressed against the top of the inner side of the inner sleeve in a pre-compression mode. 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The excitation device comprises a shell, a needle hiding sleeve, an inner sleeve and a piston assembly, the hidden needle sleeve is installed in the shell in a sliding mode. A lower spring sleeve is fixed on the inner side of the lower part of the needle hiding sleeve; a lower spring clamping hook protruding inwards is arranged on the upper portion of the lower spring sleeve. The inner sleeve is mounted in the needle hiding sleeve in a sliding manner; a sliding groove is formed in the outer side of the lower portion of the inner sleeve, and the lower spring clamping hook is clamped in the sliding groove. A narrowing spring is arranged between the lower part of the inner sleeve and the lower spring sleeve; a medicine pushing spring is arranged on the outer side of a spring supporting part of the piston assembly and is pressed against the top of the inner side of the inner sleeve in a pre-compression mode. According to the automat</abstract><oa>free_for_read</oa></addata></record> |
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| language | chi ; eng |
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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 | Excitation device for automatic injection pen |
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