Needle inserter and method for infusion device
First Claim
1. A delivery device for delivering an infusion media to a user, the device comprising:
- a housing having a base adapted to be secured to a user'"'"'s skin;
a moveable hollow needle supported for movement relative to the base of the housing between a first position and a second position, wherein the moveable hollow needle is spaced apart from a user'"'"'s skin when the needle is in the first position and the base of the housing is secured to the user'"'"'s skin, and wherein the moveable hollow needle is arranged to pierce the user'"'"'s skin when the needle is in the second position and the base of the housing is secured to the user'"'"'s skin;
an infusion medium flow path for coupling a reservoir in fluid flow communication with the moveable hollow needle when the moveable hollow needle is in the second position;
a rotary valve in the infusion medium flow path, the rotary valve rotatable from a closed valve position inhibiting infusion medium from flowing from the reservoir to the moveable hollow needle, to an open valve position allowing infusion medium to flow from the reservoir to the moveable hollow needle;
a manual operator supported for movement and operably coupled to the rotary valve, to rotate the rotary valve by manual movement of the manual operator; and
a spring and latch structure operatively coupled to the moveable hollow needle, for imparting a spring force on the moveable hollow needle in a direction toward the second position and selectively latching the moveable hollow needle in the first position against the spring force;
wherein the manual operator is moveable to selectively unlatch the moveable hollow needle to allow the moveable hollow needle to move to the second position by operation of the spring force; and
wherein the manual operator comprises a rotatable member having a catch, wherein the rotatable member is supported for rotation between a first catch position and a second catch position, wherein the catch of the rotatable member is located for engaging the spring and inhibiting the spring from moving the moveable hollow needle when the moveable hollow needle is in the first position and the rotatable member is in the first catch position, and wherein the catch of the rotatable member is disengaged from the spring to allow the spring to move the moveable hollow needle toward the second position when the rotatable member is rotated from the first catch position to the second catch position.
1 Assignment
0 Petitions
Accused Products
Abstract
An infusion media delivery device includes a housing having a base adapted to be secured to a user'"'"'s skin. An infusion media reservoir is supported by the housing. A moveable hollow needle is selectively engageable with the reservoir to communicate infusion media from the reservoir. The needle is supported for movement relative to the housing base between a first position and a second position. The needle is spaced apart from a user'"'"'s skin when in the first position and the base is secured to the user'"'"'s skin, and the needle is arranged to pierce the user'"'"'s skin when in the second position and the base is secured to the user'"'"'s skin.
593 Citations
26 Claims
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1. A delivery device for delivering an infusion media to a user, the device comprising:
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a housing having a base adapted to be secured to a user'"'"'s skin; a moveable hollow needle supported for movement relative to the base of the housing between a first position and a second position, wherein the moveable hollow needle is spaced apart from a user'"'"'s skin when the needle is in the first position and the base of the housing is secured to the user'"'"'s skin, and wherein the moveable hollow needle is arranged to pierce the user'"'"'s skin when the needle is in the second position and the base of the housing is secured to the user'"'"'s skin; an infusion medium flow path for coupling a reservoir in fluid flow communication with the moveable hollow needle when the moveable hollow needle is in the second position; a rotary valve in the infusion medium flow path, the rotary valve rotatable from a closed valve position inhibiting infusion medium from flowing from the reservoir to the moveable hollow needle, to an open valve position allowing infusion medium to flow from the reservoir to the moveable hollow needle; a manual operator supported for movement and operably coupled to the rotary valve, to rotate the rotary valve by manual movement of the manual operator; and a spring and latch structure operatively coupled to the moveable hollow needle, for imparting a spring force on the moveable hollow needle in a direction toward the second position and selectively latching the moveable hollow needle in the first position against the spring force; wherein the manual operator is moveable to selectively unlatch the moveable hollow needle to allow the moveable hollow needle to move to the second position by operation of the spring force; and wherein the manual operator comprises a rotatable member having a catch, wherein the rotatable member is supported for rotation between a first catch position and a second catch position, wherein the catch of the rotatable member is located for engaging the spring and inhibiting the spring from moving the moveable hollow needle when the moveable hollow needle is in the first position and the rotatable member is in the first catch position, and wherein the catch of the rotatable member is disengaged from the spring to allow the spring to move the moveable hollow needle toward the second position when the rotatable member is rotated from the first catch position to the second catch position. - View Dependent Claims (2, 3, 4, 6, 7, 8, 9, 14, 25, 26)
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5. A delivery device for delivering an infusion media to a user, the device comprising:
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a housing having a base adapted to be secured to a user'"'"'s skin; a reservoir for containing infusion media, wherein the reservoir is supported by the housing; and a moveable hollow needle selectively engageable with the reservoir for communication of infusion media from the reservoir, the moveable hollow needle being supported by the housing for movement relative to the base of the housing between a first position and a second position, wherein the moveable hollow needle is spaced apart from a user'"'"'s skin when the needle is in the first position and the base of the housing is secured to the user'"'"'s skin, and wherein the moveable hollow needle has a first end that is arranged to pierce the user'"'"'s skin when the needle is in the second position and the base of the housing is secured to the user'"'"'s skin, and the moveable hollow needle has a second end that is arranged external to the reservoir when the needle is in the second position; wherein the reservoir comprises a container and a septum, the septum is aligned with the first end of the moveable hollow needle and the first end of the moveable hollow needle pierces the septum as the moveable hollow needle is moved from the first position to the second position.
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10. A delivery device for delivering an infusion media to a user, the device comprising:
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a housing having a base adapted to be secured to a user'"'"'s skin; a reservoir for containing infusion media, wherein the reservoir is supported by the housing; a moveable hollow needle selectively engageable with the reservoir for communication of infusion media from the reservoir, the moveable hollow needle being supported by the housing for movement relative to the base of he housing between a first position and a second position, wherein the moveable hollow needle is spaced apart from a user'"'"'s skin when the needle is in the first position and the base of the housing is secured to the user'"'"'s skin, and wherein the moveable hollow needle is arranged to pierce the user'"'"'s skin when the needle is in the second position and the base of the housing is secured to the user'"'"'s skin; a spring and latch structure operatively coupled to the moveable hollow needle, for imparting a spring force on the moveable hollow needle in a direction toward the second position and selectively latching the moveable hollow needle in the first position against the spring force; wherein the latch structure comprises a manual operator to selectively unlatch the moveable hollow needle to allow the moveable hollow needle to move to the second position by operation of the spring force; wherein the manual operator comprises a rotatable member having a catch, wherein the rotatable member is supported for rotation between a first catch position and a second catch position, wherein the catch of the rotatable member is located for engaging the spring and inhibiting the spring from moving the moveable hollow needle when the moveable hollow needle is in the first position and the rotatable member is in the first catch position, and wherein the catch of the rotatable member is disengaged from the spring to allow the spring to move the moveable hollow needle toward the second position when the rotatable member is rotated from the first catch position to the second catch position; and wherein reservoir has an infusion medium flow path in flow communication with the moveable hollow needle when the moveable hollow needle is in the second position and wherein the rotatable member includes a valve extending into the flow path, the valve having a closed state inhibiting infusion medium from flowing from the reservoir to the moveable hollow needle when the rotatable member is in the first catch position and the valve having an open state allowing infusion medium to flow from the reservoir to the moveable hollow needle when the rotatable member is in the second catch position. - View Dependent Claims (11, 12, 13)
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15. A method for delivering an infusion media to a user, the method comprising:
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providing a housing having a base adapted to be secured to a user'"'"'s skin; supporting a moveable hollow needle for movement relative to the base of he housing between a first position and a second position, wherein the moveable hollow needle is spaced apart from a user'"'"'s skin when the needle is in the first position and the base of the housing is secured to the user'"'"'s skin, and wherein the moveable hollow needle is arranged to pierce the user'"'"'s skin when the needle is in the second position and the base of the housing is secured to the user'"'"'s skin; providing an infusion medium flow path for coupling a reservoir in fluid flow communication with the moveable hollow needle when the moveable hollow needle is in the second position; arranging a rotary valve in the infusion medium flow path, for rotation from a closed valve position inhibiting infusion medium from flowing from the reservoir to the moveable hollow needle, to an open valve position allowing infusion medium to flow from the reservoir to the moveable hollow needle; supporting a manual operator for movement and operably coupling the manual operator to the rotary valve, to rotate the rotary valve by manual movement of the manual operator; coupling a spring and latch structure to the moveable hollow needle, for imparting a spring force on the moveable hollow needle in a direction toward the second position and selectively latching the moveable hollow needle in the first position against the spring force; wherein the manual operator is moveable to selectively unlatch the moveable hollow needle to allow the moveable hollow needle to move to the second position by operation of the spring force; wherein the manual operator comprises a rotatable member having a catch; and wherein the method further comprises supporting the rotatable member for rotation between a first catch position and a second catch position; and
locating the catch of the rotatable member for engaging the spring and inhibiting the spring from moving the moveable hollow needle when the moveable hollow needle is in the first position and the rotatable member is in the first catch position, and disengaging from the spring to allow the spring to move the moveable hollow needle toward the second position when the rotatable member is rotated from the first catch position to the second catch position. - View Dependent Claims (16, 17, 18, 20, 21, 22, 23, 24)
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19. A method for delivering an infusion media to a user, the method comprising:
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providing a housing having a base adapted to be secured to a user'"'"'s skin; supporting a reservoir by the housing, the reservoir for containing an infusion media; and supporting a moveable hollow needle for selective engagement with the reservoir for communication of infusion media from the reservoir, including supporting the moveable hollow needle for movement relative to the base of the housing between a first position and a second position, wherein the moveable hollow needle is spaced apart from a user'"'"'s skin when the needle is in the first position and the base of the housing is secured to the user'"'"'s skin, and wherein the moveable hollow needle has a first end that is arranged to pierce the user'"'"'s skin when the needle is in the second position and the base of the housing is secured to the user'"'"'s skin, and the moveable hollow needle has a second end that is arranged external to the reservoir when the needle is in the second position; wherein the reservoir comprises a container and a septum, the method further comprising aligning the septum with the first end of the moveable hollow needle and piercing the septum with the first end of the moveable hollow needle as the moveable hollow needle is moved from the first position to the second position.
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Specification