Injection apparatus
First Claim
1. Injection apparatus for making an injection at a predetermined depth in skin comprising:
- a skin positioning member for positioning on a patch of skin within an area of skin to hold the patch of skin in a defined position,said skin positioning member being arranged such that at least a portion of said skin positioning member lies or is moveable to lie above or below said area of skin such that at least a part of said patch of skin is held elevated above or depressed below said area of skin,an injection needle, anda guidance mechanism for guiding movement of the injection needle from a parking position above the skin beside said skin positioning member to slide beneath said skin positioning member to an injection position in which the distal end of the needle lies at a predetermined distance below said skin positioning member.
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Accused Products
Abstract
An injection apparatus is described for making an injection at a predetermined depth in skin, including: a skin positioning member for positioning on a patch of skin within an area of skin such that at least a part of the patch of skin may be held elevated above or depressed below the area of skin, an injection needle, and a guidance mechanism for guiding the injection needle to slide beneath the skin positioning member to an injection position in which the distal end of the needle lies at a predetermined distance below the skin positioning member. An injection apparatus is also described including a detachable marker unit and a securing element for securing the marker unit at an injection site prior to the making of an injection to mark the position of the injection site.
96 Citations
23 Claims
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1. Injection apparatus for making an injection at a predetermined depth in skin comprising:
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a skin positioning member for positioning on a patch of skin within an area of skin to hold the patch of skin in a defined position, said skin positioning member being arranged such that at least a portion of said skin positioning member lies or is moveable to lie above or below said area of skin such that at least a part of said patch of skin is held elevated above or depressed below said area of skin, an injection needle, and a guidance mechanism for guiding movement of the injection needle from a parking position above the skin beside said skin positioning member to slide beneath said skin positioning member to an injection position in which the distal end of the needle lies at a predetermined distance below said skin positioning member. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19)
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- 20. Injection apparatus comprising a housing containing an injection needle mounted for guided movement from a parked position to an operative position, a detachable marker unit mounted to said housing and so positioned that said needle passes therethrough to reach said operative position, and a securing element for securing said marker unit at an injection site prior to the making of an injection, whereby said apparatus can in use be positioned at an injection site, said marker unit can be secured at said injection site, said needle can be moved to said operative position to make an injection and said housing can be removed leaving said marker unit at the injection site to mark the position thereof.
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23. A method of fixed-depth cutaneous injection comprising:
elevating or depressing a patch of skin without breaking the skin;
holding the surface of the patch of skin in a defined position against the surface of a skin positioning member and guiding an injection needle beneath the skin positioning member to bring a discharge opening of the injection needle to a predefined location beneath the skin positioning member.
Specification