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Kafe 바로가기국가/구분 | United States(US) Patent 등록 |
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국제특허분류(IPC7판) |
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출원번호 | US-0692168 (2012-12-03) |
등록번호 | US-8845550 (2014-09-30) |
발명자 / 주소 |
|
출원인 / 주소 |
|
대리인 / 주소 |
|
인용정보 | 피인용 횟수 : 1 인용 특허 : 1769 |
An agent injection device is provided that is capable of injecting an agent to a known predetermined tissue depth. An injection member has an elongate injection shaft with an outlet port configured to dispense an agent at a controllable time. A controllable driver is coupled to the elongate injectio
An agent injection device is provided that is capable of injecting an agent to a known predetermined tissue depth. An injection member has an elongate injection shaft with an outlet port configured to dispense an agent at a controllable time. A controllable driver is coupled to the elongate injection shaft and is configured to drive the injection member into target tissue. A velocity control system is in communication with the controllable driver and is configured to control the velocity of the elongate injection shaft.
1. A method of injecting an agent into the tissue of a patient at a known predetermined depth, comprising: (a) driving an elongate injection shaft having a tissue penetrating outlet port configured to dispense an agent at a controllable time toward the patient's target tissue;(b) using a velocity co
1. A method of injecting an agent into the tissue of a patient at a known predetermined depth, comprising: (a) driving an elongate injection shaft having a tissue penetrating outlet port configured to dispense an agent at a controllable time toward the patient's target tissue;(b) using a velocity control system in communication with a controllable driver to control a velocity of the elongate injection shaft while advancing the elongate injection shaft into the target tissue at a first velocity from the contact point over a displacement equal to the sum of an elastic recoil displacement value for the target tissue, the distance between a distal extremity of the elongate injection shaft and the outlet port, and the desired tissue depth of injection for agent deposition;(c) injecting the agent; and(d) accurately delivering the agent to a specific depth within a skin or tissue layer and provide for localized agent delivery, retracting the elongate injection shaft at a second velocity that is different that the first velocity. 2. The method of claim 1, further comprising: using a rapid insertion velocity to the specific depth to reduce pain of insertion of the needle into the skin. 3. The method of claim 1, further comprising: using a position feedback loop of a controllable driver coupled to the elongate injection shaft. 4. The method of claim 1, further comprising: using an agent injection module that has a reservoir. 5. The method of claim 1, further comprising: using a plurality of agent injection modules; andproviding a series of metered doses of the agent. 6. A method of injecting an agent into the tissue of a patient at a known predetermined depth, comprising: (a) driving an elongate injection shaft having a tissue penetrating outlet port configured to dispense an agent at a controllable time toward the patient's target tissue;(b) determining a contact point between a distal extremity of the elongate injection shaft and the target tissue;(c) advancing the elongate injection shaft into the target tissue from the contact point over a displacement equal to the sum of an elastic recoil displacement value for the target tissue, the distance between a distal extremity of the elongate injection shaft and the tissue penetrating outlet port, and the desired tissue depth of injection for agent deposition;(d) injecting the agent; (e) and wherein using a position feedback loop of a controllable driver coupled to the elongate injection shaft.
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