Removal of needle shield from syringes and automatic injection devices
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
A61M-005/32
A61M-005/20
출원번호
US-0094364
(2016-04-08)
등록번호
US-10022503
(2018-07-17)
발명자
/ 주소
Julian, Joseph F.
Li, Chuan
Anderson, Philip D.
Laurusonis, Linas P.
Raday, Lior
Carmel, Ehud
Marli, Lior
Daily, David
Keenan, Guy
출원인 / 주소
AbbVie Biotechnology Ltd
대리인 / 주소
McCarter & English, LLP
인용정보
피인용 횟수 :
0인용 특허 :
190
초록▼
Exemplary embodiments provide a needle shield remover that reliably engages with a distal cap of an automatic injection device and with one or more needle shields coupled to a syringe of the device. When a user removes the distal cap, the needle shield remover reliably removes the needle shields (e.
Exemplary embodiments provide a needle shield remover that reliably engages with a distal cap of an automatic injection device and with one or more needle shields coupled to a syringe of the device. When a user removes the distal cap, the needle shield remover reliably removes the needle shields (e.g., a soft needle shield and a rigid needle shield) from the syringe, thereby exposing the injection needle for performing an injection. In an exemplary assembly method, a needle shield remover is engaged to a needle shield coupled to a syringe, prior to insertion of the syringe and needle shield remover assembly into a housing of the device. This exemplary assembly method allows visual inspection, outside the housing of the device, to ensure that the needle shield remover is correctly and reliably engaged to the needle shield before the syringe and needle shield remover assembly is inserted into the housing.
대표청구항▼
1. A needle shield remover for removing a needle shield from a syringe, comprising: a cap having an open end and a closed end with a centrally located aperture,a tubular needle shield remover disposed within the cap for removing a needle shield from a syringe, the tubular needle shield remover havin
1. A needle shield remover for removing a needle shield from a syringe, comprising: a cap having an open end and a closed end with a centrally located aperture,a tubular needle shield remover disposed within the cap for removing a needle shield from a syringe, the tubular needle shield remover having a proximal tubular portion having a first outer diameter and a distal tubular portion having a second outer diameter less than the first outer diameter,a platform structure projecting longitudinally from the distal tubular portion of the tubular needle shield remover along a longitudinal axis toward the aperture, anda cap engagement mechanism projecting radially outwardly from the platform structure to cooperatively engage the tubular needle shield remover with the cap via the aperture. 2. The needle shield remover of claim 1, wherein the platform structure allows the cap and the tubular needle shield remover to move in an axial direction relative to each other. 3. The needle shield remover of claim 1, wherein the cap includes an inwardly-projecting stop portion provided in the aperture. 4. The needle shield remover of claim 1, wherein the platform structure defines a gap extending longitudinally between the cap engagement mechanism and the distal tubular portion of the tubular needle shield remover. 5. The needle shield remover of claim 4, wherein an inwardly-projecting stop portion of the cap is accommodated in the gap to define one of an upper or lower limit of axial movement between the cap and the tubular needle shield remover. 6. The needle shield remover of claim 1, wherein the cap and the tubular needle shield remover form a single assembly that is pre-assembled before the tubular needle shield remover is engaged with the needle shield. 7. The needle shield remover of claim 1, wherein the cap is a tubular cap. 8. The needle shield remover of claim 1, wherein the cap and the tubular needle shield remover slide in an axial direction relative to each other during attachment to the needle shield. 9. The needle shield remover of claim 1, wherein the cap and the tubular needle shield remover form a single assembly, and the single assembly is engaged to the needle shield after the syringe is loaded into an automatic injection device. 10. The needle shield remover of claim 1, wherein the platform structure includes a first longitudinally projecting portion, a second longitudinally projecting portion and a transverse portion at a distal end of the platform structure extending between the first longitudinally projecting portion and the second longitudinally projecting portion. 11. The needle shield remover of claim 10, wherein the cap engagement mechanism is cooperatively engaged with the transverse portion. 12. The needle shield remover of claim 1, wherein the proximal tubular portion of the tubular needle shield remover includes two needle shield engagement mechanisms engageable with the needle shield of the syringe. 13. The needle shield remover of claim 12, wherein the two needle shield engagement mechanisms project inwardly from a side wall of the proximal tubular portion. 14. The needle shield remover of claim 13, wherein each of the needle shield engagement mechanisms include a first inclined wall that extends from the side wall. 15. The needle shield remover of claim 14, wherein each of the two shield engagement mechanisms comprises a second inclined wall coupled to the first inclined wall and extending inwardly into a cavity of the tubular needle shield remover. 16. The needle shield remover of claim 15, further comprising two apertures disposed in a side wall of the proximal portion of the tubular needle shield remover, and wherein each of the two shield engagement mechanisms is provided in a respective one of the two apertures. 17. The needle shield remover of claim 16, further comprising two cutout portions formed in the side wall of the proximal portion of the tubular needle shield remover and circumferentially disposed in an alternating manner with the two apertures about the tubular needle shield remover. 18. An automatic injection device comprising: a housing,a syringe slidably disposed in the housing;a needle shield covering a needle of the syringe; anda needle shield remover according to claim 1 removably coupled to the housing and the needle shield. 19. The automatic injection device of claim 18, wherein the platform structure allows the cap and the tubular needle shield remover to move in an axial direction relative to each other. 20. The automatic injection device of claim 18, wherein the platform structure defines a gap extending longitudinally between the cap engagement mechanism and the distal tubular portion of the tubular needle shield remover. 21. The automatic injection device of claim 20, wherein an inwardly-projecting stop portion of the cap is accommodated in the gap to define one of an upper or lower limit of axial movement between the cap and the tubular needle shield remover. 22. The automatic injection device of claim 18, wherein the cap and the tubular needle shield remover slide in an axial direction relative to each other during attachment to the needle shield. 23. The automatic injection device of claim 18, wherein the platform structure includes a first longitudinally projecting portion, a second longitudinally projecting portion and a transverse portion at a distal end of the platform structure extending between the first longitudinally projecting portion and the second longitudinally projecting portion. 24. The automatic injection device of claim 23, wherein the cap engagement mechanism is cooperatively engaged with the transverse portion. 25. The automatic injection device of claim 18, wherein the proximal tubular portion of the tubular needle shield remover includes two needle shield engagement mechanisms engageable with the needle shield of the syringe. 26. The automatic injection device of claim 25, wherein the two needle shield engagement mechanisms project inwardly from a side wall of the proximal tubular portion. 27. The automatic injection device of claim 26, wherein each of the needle shield engagement mechanisms include a first inclined wall that extends from the side wall. 28. The automatic injection device of claim 27, wherein each of the two shield engagement mechanisms comprises a second inclined wall coupled to the first inclined wall and extending inwardly into a cavity of the tubular needle shield remover. 29. The automatic injection device of claim 28, further comprising two apertures disposed in a side wall of the proximal portion of the tubular needle shield remover, and wherein each of the two shield engagement mechanisms is provided in a respective one of the two apertures. 30. The automatic injection device of claim 29, further comprising two cutout portions formed in the side wall of the proximal portion of the tubular needle shield remover and circumferentially disposed in an alternating manner with the two apertures about the tubular needle shield remover.
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이 특허에 인용된 특허 (190)
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