Pre-Surgical Prophylactic Administration of Antibiotics and Therapeutic Agents
First Claim
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1. A process for protecting a surgical site from infection, the process comprising the steps of:
- a) defining within a surgical or treatment field an incision line,b) making a first small incision at or about the incision line,c) injecting a quantity of antibiotic or other therapeutic agent subcutaneously about the incision line via the first small incision,d) broadcasting energy transcutaneously to disperse the antibiotic agent and fluid subcutaneously,e) making a second incision along the incision line, the first incision being a fraction of the incision line and the second incision being substantial all or the remainder of the incision line not opened by the first incision wherein the effective dose of the antibiotic or therapeutic agent in adjacent adipose tissue exceeds 250 μ
g/ml a half hour after injection while the serum concentration remains less than about 30 μ
g/ml.
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Abstract
Antibiotics are administered in a surgical site subcutaneously via a small or stab incision in the surgical field. Transcutaneous ultrasonic vibrations are applied across the surgical field, which is then opened in the usual manner, to thereby provide a surgical field which contains a vastly higher and more effective level of antibiotic. At the same time the underlying tissue is hydrated.
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Citations
21 Claims
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1. A process for protecting a surgical site from infection, the process comprising the steps of:
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a) defining within a surgical or treatment field an incision line, b) making a first small incision at or about the incision line, c) injecting a quantity of antibiotic or other therapeutic agent subcutaneously about the incision line via the first small incision, d) broadcasting energy transcutaneously to disperse the antibiotic agent and fluid subcutaneously, e) making a second incision along the incision line, the first incision being a fraction of the incision line and the second incision being substantial all or the remainder of the incision line not opened by the first incision wherein the effective dose of the antibiotic or therapeutic agent in adjacent adipose tissue exceeds 250 μ
g/ml a half hour after injection while the serum concentration remains less than about 30 μ
g/ml. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 15, 21)
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12. A process for selective administration of a therapeutic agent to selected tissue at high local doses, the process comprising the steps of:
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a) defining within a surgical or treatment field an incision line to access the selected tissue, b) making a first small incision at or about the incision line, c) injecting a quantity of the therapeutic agent in or with a fluid subcutaneously in and about the selected tissue, d) broadcasting energy transcutaneously to disperse therapeutic agent and fluid subcutaneously, e) wherein within the time period between the first half hour after injection and the first hour after injection the local concentration of the agent is greater than the systemic concentration by a factor of at least 10. - View Dependent Claims (13, 14, 16)
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17. A process for selective administration of a therapeutic agent to selected tissue at high local doses, the process comprising the steps of:
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a) defining within a surgical or treatment field an incision line to access the selected tissue, b) making a first small incision at or about the incision line, c) injecting a quantity of the therapeutic agent in or with a fluid subcutaneously in and about the selected tissue, d) broadcasting energy transcutaneously to disperse therapeutic agent and fluid subcutaneously, e) wherein the systemic concentration of the agent remains below 1/10 th the local concentration a half hour after injection. - View Dependent Claims (18, 19, 20)
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Specification