Devices, systems and methods for medicament delivery
First Claim
1. An apparatus, comprising:
- a housing;
a medicament container disposed within the housinga plunger having distal end configured to move within the medicament container between a first position and a second position in repsonse to a first force;
a needle coupled to the medicament container, a portion of the needle configured to be disposed outside of the housing;
a needle sheath covering the needle; and
a sheath retainer removably coupled to the housing such a portion of the sheath retainer is disposed within the housing, the sheath retainer configured to be disposed about at least a portion of the needle sheath, the sheath retainer including a grip surface including a grip protrusion configured to receive a second force to move the sheath retainer in a distal direction relative to the housing, the sheath retainer including a retaining tab that engages the needle sheath and is configured to exert at least a portion of the second force against the needle sheath when the sheath retainer is moved in the distal direction, the portion of the second force removing the needle sheath from about the needle when the sheath retainer is removed from the housing in the distal direction, the sheath retainer including a lock protrusion configured to engage the housing to resist movement of the sheath retainer in the distal direction, an outer surface of the sheath retainer including an indicium indicating an order of operation for removal of the sheath retainer.
6 Assignments
0 Petitions
Accused Products
Abstract
A method includes moving an actuation lock of a medical injector from a first position to a second position. The actuation lock has an extended portion disposed between a shoulder of a housing and the base when the actuation lock is in the first position. The extended portion is spaced apart from the base when the actuation lock is in the second position. A distal end portion of a base, which is movably coupled to an end portion of the housing, is placed into contact with a body. The base is actuated after the placing to release an energy from an energy storage member within the housing to produce a force to move a needle from a first needle position to a second needle position. At least a portion of the needle extends through the base when the needle is in the second needle position.
465 Citations
31 Claims
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1. An apparatus, comprising:
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a housing; a medicament container disposed within the housing a plunger having distal end configured to move within the medicament container between a first position and a second position in repsonse to a first force; a needle coupled to the medicament container, a portion of the needle configured to be disposed outside of the housing; a needle sheath covering the needle; and a sheath retainer removably coupled to the housing such a portion of the sheath retainer is disposed within the housing, the sheath retainer configured to be disposed about at least a portion of the needle sheath, the sheath retainer including a grip surface including a grip protrusion configured to receive a second force to move the sheath retainer in a distal direction relative to the housing, the sheath retainer including a retaining tab that engages the needle sheath and is configured to exert at least a portion of the second force against the needle sheath when the sheath retainer is moved in the distal direction, the portion of the second force removing the needle sheath from about the needle when the sheath retainer is removed from the housing in the distal direction, the sheath retainer including a lock protrusion configured to engage the housing to resist movement of the sheath retainer in the distal direction, an outer surface of the sheath retainer including an indicium indicating an order of operation for removal of the sheath retainer. - View Dependent Claims (2, 3, 4, 5, 6)
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7. An apparatus comprising:
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a housing; a medicament container disposed within the housing; a plunger having a first plunger end portion, the first plunger end portion configured to move distally in response to a first force; a needle coupled to the medicament container, a portion of the needle disposed outside of the housing; a needle sheath covering the needle; a sheath retainer having a portion disposed about the needle sheath, the sheath retainer including a retaining tab that engages the needle sheath and is configured to exert a removal force against the needle sheath when the sheath retainer is moved in a distal direction relative to the housing to remove the needle sheath from the needle; and a cover configured to limit movement of the sheath retainer in the distal direction when the cover is coupled about the housing, the cover configured to be coupled to and decoupled from the housing. - View Dependent Claims (8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19)
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20. An apparatus comprising:
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a housing; a medicament container disposed within the housing; a plunger having a first plunger end portion, the first plunger end portion configured to move distally within the medicament container in response to a first force; a needle coupled to the medicament container, a portion of the needle configured to be disposed outside of the housing; a needle sheath covering the needle; and a sheath retainer having a portion disposed about the needle sheath, the sheath retainer including a retaining tab that engages the needle sheath and is configured to exert a removal force against the needle sheath when the sheath retainer is moved distally relative to the housing to remove the needle sheath from the needle, the sheath retainer including an indicium with a numeral to indicate an order of operation and an arrow to indicate a direction in which the sheath retainer should be moved. - View Dependent Claims (21, 22, 23, 24, 25)
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26. An apparatus comprising:
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a housing; a medicament container disposed within the housing, the medicament container configured to move within the housing; a spring within the housing, the spring configured to urge the medicament container in a proximal direction; a plunger having an end portion configured to move in a distal direction within the medicament container in response to an injection force; a needle coupled to the medicament container, a portion of the needle configured to be disposed outside of the housing; a needle sheath covering the needle; and a sheath retainer having a portion disposed about the needle sheath, the sheath retainer including a retaining tab that engages the needle sheath and is configured to exert a removal force against the needle sheath when the sheath retainer is moved in the distal direction relative to the housing to remove the needle sheath from the needle. - View Dependent Claims (27, 28, 29, 30, 31)
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Specification