INJECTION NEEDLE ASSEMBLY AND DRUG INJECTION DEVICE
First Claim
1. An injection needle assembly comprising:
- a needle tube having a needle tip capable of puncturing a living body;
a hub for holding the needle tube;
a stabilizer formed in a tubular shape surrounding the circumference of the needle tube and having an end face that contacts the skin of the living body when puncturing the living body with the needle tube; and
a guide portion provided on the stabilizer for guiding, by being contacted with the skin, a pressing parameter applied from the needle tube and the stabilizer to the living body when puncturing the living body with the needle tube.
1 Assignment
0 Petitions
Accused Products
Abstract
To securely position a needle tip and a blade face of a needle tube inserted into the skin in a predetermined site of a living body, such as the upper layer of skin, an injection needle assembly includes a needle tube having a needle tip capable of puncturing a living body, a hub holding the needle tube, a stabilizer, and a guide portion. The stabilizer is formed in a tubular shape surrounding the circumference of the needle tube, and an end face is pressed against the skin, and thereby a raised portion of the skin is formed in a tube hole. The guide portion is arranged on the stabilizer, and is adapted to recognize a press-in distance y of the stabilizer to the skin.
31 Citations
20 Claims
-
1. An injection needle assembly comprising:
-
a needle tube having a needle tip capable of puncturing a living body; a hub for holding the needle tube; a stabilizer formed in a tubular shape surrounding the circumference of the needle tube and having an end face that contacts the skin of the living body when puncturing the living body with the needle tube; and a guide portion provided on the stabilizer for guiding, by being contacted with the skin, a pressing parameter applied from the needle tube and the stabilizer to the living body when puncturing the living body with the needle tube. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19)
-
-
20. A drug injection device comprising:
-
a needle tube having a needle tip capable of puncturing a living body; a hub for holding the needle tube; a syringe connected to the hub; a stabilizer formed in a tubular shape surrounding the circumference of the needle tube and having an end face that contacts the skin of the living body when puncturing the living body with the needle tube; and a guide portion provided on the stabilizer for guiding, by being contacted with the skin, a pressing parameter applied from the needle tube and the stabilizer to the living body when puncturing the living body with the needle tube.
-
Specification