Injector device for placing a subcutaneous infusion set
First Claim
1. An injector device for transcutaneously placing at least a portion of a cannula of a medical device through the skin of a patient, said injector device comprising:
- a device housing;
a carrier member releasably carrying said medical device, said carrier member adapted for movement relative to said housing for advancement of said medical device towards the skin of a patient, said carrier member including a piercing member and a recess formed at a forward end of said carrier member, said recess contoured to receive a portion of said medical device;
a drive operably connected to said carrier member, said drive being adapted for urging movement of said carrier member; and
a cover removably connected to a portion of said device housing, said cover receiving at least a portion of said piercing member therein;
wherein said piercing member is adapted to receive said cannula of said medical device.
7 Assignments
0 Petitions
Accused Products
Abstract
An injector device for transcutaneously placing at least a portion of a cannula of a medical device through the skin of a patient is provided. The injector device includes a device housing having a bore formed therein and a plunger slidably received within the bore. The plunger includes an insertion needle secured thereto for receiving the cannula of the medical device. The insertion needle remains secured to the plunger subsequent to placement of the medical device and the insertion needle and the injector are removable from the cannula while maintaining the transcutaneous placement of the cannula.
499 Citations
64 Claims
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1. An injector device for transcutaneously placing at least a portion of a cannula of a medical device through the skin of a patient, said injector device comprising:
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a device housing; a carrier member releasably carrying said medical device, said carrier member adapted for movement relative to said housing for advancement of said medical device towards the skin of a patient, said carrier member including a piercing member and a recess formed at a forward end of said carrier member, said recess contoured to receive a portion of said medical device; a drive operably connected to said carrier member, said drive being adapted for urging movement of said carrier member; and a cover removably connected to a portion of said device housing, said cover receiving at least a portion of said piercing member therein; wherein said piercing member is adapted to receive said cannula of said medical device. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 64)
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16. An injector device for transcutaneously placing at least a portion of a cannula of a medical device through the skin of a patient, said injector device comprising:
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a generally cylindrically shaped housing having a cavity formed therein, said housing including a forward end, the forward end defining a generally planar surface for placement against the skin of the patient; a carrier member adapted for at least partial reception in said cavity and releasably carrying said medical device, said carrier member comprising at least one piercing member secured to said carrier member; a drive for urging movement of said carrier member relative to said housing; and a substantially rigid cover releasably connected over a cylindrical perimeter of said housing, said cover covering said cavity and said piercing member; wherein said drive extends at least partially around at least a portion of said carrier member, and wherein said at least one piercing member is adapted to receive at least a portion of said cannula of said medical device. - View Dependent Claims (17, 18, 19, 20, 21, 22, 23, 24, 25, 26)
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27. An injector device for transcutaneously placing at least a portion of a cannula of a medical device through the skin of a patient, said injector device comprising:
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an insertion member substantially non-detachably secured to a carrier member releasably carrying said medical device, said insertion member being adapted for insertion within said cannula; a cylindrical body for reception of said carrier member within said cylindrical body, said cylindrical body having a forward end, said forward end defining a generally planar surface for placement against the skin of the patient; and a removable cover secured to an end portion of said cylindrical body for accommodating a part of said insertion member; wherein said carrier member is advanced relative to said skin for placement of said medical device when said forward end is placed against the skin of a patient. - View Dependent Claims (28, 29, 30, 31, 32, 33, 34)
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35. A method of inserting at least a portion of a medical device through the skin of a patient, said method comprising:
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providing a sterile medical device contained within an insertion device, the insertion device having a cover removably connected to a portion of the insertion device to ensure sterility of the medical device, the insertion device having a carrier body mounted for movement relative to the insertion device and the medical device mounted on an insertion member on said carrier body and at least partially in a contoured recess formed in said carrier body; removing the cover from the insertion device to expose the medical device mounted on the insertion member; advancing said insertion member toward the skin of the patient to insert at least a portion of said insertion member and at least a portion of said medical device though the skin for placement of the medical device; removing said insertion member and said carrier from said medical device while maintaining the placement of said medical device relative to the patient. - View Dependent Claims (36, 37, 38, 39, 40, 41)
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42. An injector device assembly including a subcutaneous infusion set, said subcutaneous infusion set including a cannula for the delivery of medication, said assembly comprising:
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an injector device, said injector device comprising a plunger;
a device housing, said plunger being received within said device housing for movement relative to the housing, for transcutaneous placement of said insertion needle upon movement of the plunger with said needle relative to the housing, said cannula being oriented for transcutaneous placement upon movement of the plunger with said needle;
a spring for urging said plunger relative to the housing; anda medical insertion needle mounted on said plunger for transcutaneous placement of said cannula of said subcutaneous infusion set, said insertion needle extending through at least a portion of said cannula; and a releasable cover secured to an end portion of said injector device for ensuring sterility of said infusion set prior to use and for accommodating a part of said medical insertion needle; wherein said plunger and said insertion needle are removable from said subcutaneous infusion set while maintaining the transcutaneous placement of the cannula. - View Dependent Claims (43, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 54, 55, 56, 60)
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57. An injector device assembly including a subcutaneous infusion set, said subcutaneous infusion set including a cannula for the delivery of medication, said assembly comprising:
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an injector device, said injector device comprising a device housing; a plunger being received within said device housing for movement between an advanced position and a retracted position; a medical insertion needle mounted on said plunger for transcutaneous placement of said cannula of said subcutaneous infusion set upon movement of the plunger with said needle from said retracted position to said advanced position, said insertion needle extending through at least a portion of said cannula, said cannula being oriented for transcutaneous placement upon movement of said plunger with said needle from said retracted position to said advanced position; a spring for urging said plunger from the retracted position toward the advanced position; and a releasable cover secured to said injector device for ensuring sterility of said infusion set prior to use; wherein said plunger and said insertion needle are removable from said subcutaneous infusion set while maintaining the transcutaneous placement of the cannula, wherein said spring comprises a number of individual, elongated flexible plastics strips extending around a respective part of the periphery of the plunger, in an annular space between the plunger and the device housing, each strip being connected with the plunger and with the device housing. - View Dependent Claims (58, 59)
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61. A method of making an injector device assembly, said method comprising:
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providing a subcutaneous infusion set having a cannula for the delivery of medication; providing an injector device, said injector device having a plunger with a medical insertion needle mounted thereon; mounting said cannula of said infusion set on said plunger with said insertion needle protruding from an end of said cannula; applying a cover over an end of said injector device and removably securing said cover to a portion of said injector device to enclose a cavity within said injector device; and sterilizing said injector device assembly. - View Dependent Claims (62, 63)
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Specification