SUBCUTANEOUS INFUSION DEVICE
First Claim
1. A subcutaneous infusion device for infusing a medical solution into a body of a user, comprising:
- an indwelling member havinga base portion fixable to a surface of the body of said user, anda medical solution passage reaching an inside of the body of said user when the base portion is fixed to the surface of the body of the user; and
a coupling member attached to said indwelling member in a detachable/attachable manner by being moved in a sliding manner along an extending direction of said base portion, whereinsaid coupling member includesa main body portion,a needle-like medical solution supply portion provided at said main body portion and communicated with said medical solution passage when said coupling member is attached to said indwelling member,a lid portion provided turnably with respect to said main body portion,a lock mechanism providing locking of said lid portion to said main body portion, anda biasing portion capable of biasing said lid portion in a turning direction, when said locking is being released, by biasing force generated when said lid portion is locked to said main body portion.
1 Assignment
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Accused Products
Abstract
A subcutaneous infusion device includes an indwelling member which has a base portion and a cannula reaching an inside of a body of a user when the base portion is fixed to a surface of the body of the user, and a coupling member which is attached to the indwelling member in a detachable/attachable manner. The coupling member includes a main body portion, a needle provided at the main body portion and communicated with the cannula when the coupling member is attached to the indwelling member, a lid portion provided turnably with respect to the main body portion, an engagement portion locking the lid portion to the main body portion, and an elastic member biased when the lid portion is locked to the main body portion and capable of biasing the lid portion in a turning direction when the locking is being released.
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Citations
20 Claims
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1. A subcutaneous infusion device for infusing a medical solution into a body of a user, comprising:
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an indwelling member having a base portion fixable to a surface of the body of said user, and a medical solution passage reaching an inside of the body of said user when the base portion is fixed to the surface of the body of the user; and a coupling member attached to said indwelling member in a detachable/attachable manner by being moved in a sliding manner along an extending direction of said base portion, wherein said coupling member includes a main body portion, a needle-like medical solution supply portion provided at said main body portion and communicated with said medical solution passage when said coupling member is attached to said indwelling member, a lid portion provided turnably with respect to said main body portion, a lock mechanism providing locking of said lid portion to said main body portion, and a biasing portion capable of biasing said lid portion in a turning direction, when said locking is being released, by biasing force generated when said lid portion is locked to said main body portion. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15)
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16. A subcutaneous infusion device for infusing a medical solution into a body of a user, comprising:
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an indwelling member having a base portion fixable to a surface of the body of said user, and a medical solution passage reaching an inside of the body of said user when the base portion is fixed to the surface of the body of the user; and a coupling member attached to said indwelling member in a detachable/attachable manner by being moved in a sliding manner along an extending direction of said base portion, wherein said coupling member includes a main body portion, a needle-like medical solution supply portion provided at said main body portion and communicated with said medical solution passage when said coupling member is attached to said indwelling member, and a cover member fixed to said main body portion, formed to cover said medical solution supply portion when said coupling member is detached from said indwelling member, and formed to receive compression force from said indwelling member and be compressed in an axial direction to thereby allow said medical solution supply portion to penetrate the cover member and allow the medical solution supply portion and said medical solution passage to be communicated with each other, when said coupling member is attached to said indwelling member. - View Dependent Claims (17, 18, 19, 20)
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Specification