An infusion set has a disposable inserter that can insert a needle at a controlled rate of speed to a depth to deliver insulin or other medicament to the upper 3 mm of skin surface, and a skin securing, adhesive layer to secure the skin surface at the insertion site such that the inserter that can i
An infusion set has a disposable inserter that can insert a needle at a controlled rate of speed to a depth to deliver insulin or other medicament to the upper 3 mm of skin surface, and a skin securing, adhesive layer to secure the skin surface at the insertion site such that the inserter that can insert a needle without a risk of tenting of the skin surface. Position of the inserted needle can be maintained by providing a separated inner and outer hub of the infusion set that can isolate the inserted needle from external forces such that the needle can be maintained at a depth to deliver insulin or other medicament to the upper 3 mm of skin surface during normal use.
대표청구항▼
1. An infusion system, comprising: an infusion set, comprising an inner hub and an outer hub wherein at least one of said inner hub and said outer hub is releasably secured by an inserter; andan inserter comprising an inserter button and a spring, wherein said inserter button is configured to releas
1. An infusion system, comprising: an infusion set, comprising an inner hub and an outer hub wherein at least one of said inner hub and said outer hub is releasably secured by an inserter; andan inserter comprising an inserter button and a spring, wherein said inserter button is configured to release said spring to move toward said infusion set and thereafter begin to drive said infusion set for placement at an infusion site,wherein said inserter comprises a hammer, disposed at an end of said spring and configured for release by movement of said inserter button, and a table, rotationally secured to said inner hub and configured to be struck by said hammer. 2. An infusion system as recited in claim 1, further comprising: a first adhesive layer disposed on a surface of said inner hub; anda second adhesive layer disposed on a surface of said outer hub, wherein said first adhesive layer is separate from said second adhesive layer. 3. An infusion system as recited in claim 1, further comprising a flexible tube coupled between said inner hub and said outer hub and providing a fluid communication path therebetween. 4. An infusion system as recited in claim 1, wherein said table is configured to releasably secure said inner hub in a retracted position within said outer hub. 5. An infusion system as recited in claim 1, wherein: said table comprises a first detent; andsaid inner hub comprises second detent, wherein said first detent is configured to rotationally engage with said second detent to releasably secure said table with said inner hub. 6. An infusion system as recited in claim 1, wherein said inserter further comprises a lower inserter housing, slidably coupled with said inserter button, and rigidly coupled with said outer hub. 7. An infusion system as recited in claim 6, wherein: said outer hub comprises a third detent; andsaid lower inserter housing comprises a fourth detent, wherein said third detent is configured to rotationally engage with said fourth detent to releasably secure said inserter with said outer hub. 8. An infusion system as recited in claim 1, wherein said spring is configured to place said infusion set at a controlled rate of speed, preferably greater than 3.3 ft/sec. (1.0 m/sec.). 9. An infusion system to insert and maintain a needle at a depth to deliver medicament to the upper 3 mm of a skin surface, comprising: an inner hub, configured to be adhesively secured to a skin surface;an outer hub, configured to be adhesively secured to a skin surface, and wherein said outer hub is configured to enclose said inner hub; anda flexible tube, for flexibly coupling said inner hub with said outer hub and providing a fluid communication path therebetween,wherein said outer hub is connected to said inner hub solely through said flexible tube, and wherein said inner hub is adhesively secured to said skin surface using a first adhesive layer that is separate from a second adhesive layer securing said outer hub to said skin surface. 10. An inserter, comprising: an inserter button, and a lower inserter housing slidably coupled with said inserter button and configured to be rigidly coupled with an outer hub of an infusion set;a hammer releasably secured within said lower inserter housing;a spring, captured between said inserter button and said hammer;a table, configured to rotationally secure an inner hub of said infusion set and configured to be struck by said hammer, wherein said inserter button is configured to release said hammer to strike said table and drive said infusion set for placement at an infusion site. 11. An inserter as recited in claim 10, wherein said table is configured to releasably secure said inner hub in a retracted position within said outer hub. 12. An inserter as recited in claim 10, wherein: said table comprises a first detent; andsaid inner hub comprises second detent, wherein said first detent is configured to rotationally engage with said second detent to releasably secure said table with said inner hub. 13. An inserter as recited in claim 12, wherein: said outer hub comprises a third detent; andsaid lower inserter housing comprises a fourth detent, wherein said third detent is configured to rotationally engage with said fourth detent to releasably secure said inserter with said outer hub. 14. An inserter as recited in claim 10, wherein said spring is configured to place said infusion set at a controlled rate of speed, preferably greater than 3.3 ft/sec. (1.0 m/sec.). 15. A method targeting a desired depth to deliver content to an upper skin surface, comprising the steps of: placing an infusion device upon an infusion site and pressing an inserter button of said infusion device to release a hammer and spring to strike a table of said infusion device;striking said table of said infusion device, said table releasably coupled with an infusion set of said infusion device, to move a needle of said infusion set of said infusion device into said infusion site a controlled rate of speed; andremoving said inserter button, hammer and spring, and table, from said infusion set. 16. A method targeting a desired depth to deliver content to an upper skin surface, comprising the steps of: placing an outer hub of an infusion device upon an infusion site and pressing an inserter button of said infusion device to move a needle of an inner hub of said infusion device into said infusion site, wherein said needle is driven into said infusion site at a controlled rate of speed; andremoving said inserter button from said infusion device, wherein said inner hub is fully enclosed by said outer hub, and is connected to said outer hub solely through a flexible tubing after removal of said inserter button from said infusion device. 17. An infusion set inserter, comprising: an inserter housing comprising an inner member and an outer member, at least a portion of said outer member being displaceable relative to said inner member to activate the inserter,said inner member releasably secured to an infusion set and being configured to prevent, prior to activation, displacement in an insertion direction of said infusion set receivable by said housing;a ballistic hammer movably disposed within the inserter housing; anda spring, captured between and contacting said outer member and said ballistic hammer;wherein said outer member is configured to activate the device by releasing said spring and said ballistic hammer to strike said inner member which thereafter begins to drive said infusion set in said insertion direction for placement at an infusion site. 18. The inserter as recited in claim 17, wherein said infusion set comprises a patient cannula and an adhesive for adhering said infusion set to a patient's skin. 19. The inserter as recited in claim 18, wherein said inner member supports said infusion set in an initial position spaced apart from a patient's skin prior to activation. 20. The inserter as recited in claim 17, wherein said ballistic hammer selectively moves between a pre-activated position, in which the ballistic hammer does not contact the infusion set, and an activated position. 21. The inserter as recited in claim 20, wherein said spring biases the ballistic hammer toward the activated position prior to activation. 22. The inserter as recited in claim 20, wherein during at least part of the travel of said infusion set from an initial position to a position in which said patient cannula is inserted in the patient's skin, the ballistic hammer does not contact said infusion set. 23. The inserter as recited in claim 17, wherein said outer member comprises an activation button. 24. The inserter as recited in claim 17, wherein said infusion set comprises an intradermal infusion set. 25. A method of inserting a cannula of an infusion set into a patient's skin, the method comprising: placing an inserter housing carrying an infusion set over an intended infusion site, said housing comprising an inner member and an outer member with said inner member releasably secured to said infusion set for preventing displacement in an insertion direction of said infusion set prior to activation; anddisplacing at least a portion of said outer member relative to said inner member to activate the inserter, said activation comprising: releasing a spring captured between and contacting said outer member and a ballistic hammer movably disposed within said inserter housing; anddriving said ballistic hammer with the force of said spring toward said inner member which thereafter begins to drive said infusion set in said insertion direction for placement at the intended infusion site. 26. The method as recited in claim 25, wherein said infusion set comprises an intradermal infusion set. 27. An insertion device assembly, comprising: an infusion set; andan inserter comprising: an inserter housing comprising an inner member and an outer member, at least a portion of said outer member being displaceable relative to the inner member, the inserter housing supporting said infusion set in an initial position spaced apart from a patient's skin prior to activation, said infusion set including a patient cannula and an adhesive for adhering said infusion set to a patient's skin;a ballistic hammer slidably disposed within the inserter housing to move between a pre-activated position and an activated position; anda spring disposed within the inserter housing and biasing the ballistic hammer toward the activated position prior to activation;wherein displacement of the at least portion of the outer member activates the inserter, causing the ballistic hammer to move between the pre-activated position and the activated position under the force of the spring toward said infusion set and thereafter begin to impart momentum to said infusion set; andwherein during at least part of the travel of said infusion set from the initial position to a position in which said patient cannula is inserted in the patient's skin, the ballistic hammer does not contact said infusion set. 28. The insertion device assembly as recited in claim 27, wherein said biasing element is disposed between and contacts said outer member and said ballistic hammer. 29. The insertion device assembly as recited in claim 27, wherein said infusion set comprises an intradermal infusion set.
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이 특허에 인용된 특허 (125)
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