Surgical access device
DCFirst Claim
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1. A surgical device (1) for use in minimally invasive surgery of the type using an inflated body cavity (2) accessible to a surgeon through an access port, defined by the device (1), surrounding an incision in a patient'"'"'s body, the device (1) having:
- body cavity engagement means (5) for insertion into the incision to locate the device (1) in position;
fixing means (10) for attaching the device to a patient'"'"'s skin, the fixing means including a proximal ring (6);
a sleeve (4) connected between the body cavity engagement means and the fixing means, wherein the sleeve is adjustable by the positioning of the proximal ring so that the positioning of the proximal ring retracts the sleeve to cause the sleeve to apply outward pressure against the patient'"'"'s body to retract the incision to define an access port and create a seal between the incision and sleeve; and
sealing means, at least one of mounted on the sleeve and operating on the sleeve, to prevent substantial leakage of gas from the body cavity on inflation when in an inoperative position and formed to mould about a substantial portion of a surgeon'"'"'s hand or surgical instrument on insertion in an operating position.
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Abstract
Surgical device (1) is for use in minimally invasive surgery using an inflated body cavity (2) accessible to a surgeon through an access port defined by a sleeve (4) passing through an incision in a patient'"'"'s abdominal wall (3). The device is held in position by a distal ring (5) and a proximal ring (6). The device (1) is sealed by cuff valve (8), self sealing valve (18), spring valve (28) or snap open/snap shut valve (38).
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Citations
16 Claims
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1. A surgical device (1) for use in minimally invasive surgery of the type using an inflated body cavity (2) accessible to a surgeon through an access port, defined by the device (1), surrounding an incision in a patient'"'"'s body, the device (1) having:
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body cavity engagement means (5) for insertion into the incision to locate the device (1) in position; fixing means (10) for attaching the device to a patient'"'"'s skin, the fixing means including a proximal ring (6); a sleeve (4) connected between the body cavity engagement means and the fixing means, wherein the sleeve is adjustable by the positioning of the proximal ring so that the positioning of the proximal ring retracts the sleeve to cause the sleeve to apply outward pressure against the patient'"'"'s body to retract the incision to define an access port and create a seal between the incision and sleeve; and sealing means, at least one of mounted on the sleeve and operating on the sleeve, to prevent substantial leakage of gas from the body cavity on inflation when in an inoperative position and formed to mould about a substantial portion of a surgeon'"'"'s hand or surgical instrument on insertion in an operating position. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10)
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11. A surgical device for use in minimally invasive surgery of the type using an inflated cavity accessible to a surgeon through an access port, defined by the device, surrounding an incision in a patient'"'"'s body, the device comprising:
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body cavity engagement means for insertion into the incision to locate the device in position, said body cavity engagement means including a distal ring; fixing means for attaching the device to a patient'"'"'s skin, said fixing means including a proximal ring; a sleeve connected between the body cavity engagement means and the fixing means, said sleeve having an adjustable length that shortens to cause said sleeve to apply outward pressure against the patient'"'"'s body sufficient to retract the incision to define the access port; and one of an external proximal sealing valve mounted adjacent to said proximal ring and an internal distal sealing valve mounted adjacent to said distal ring, to prevent substantial leakage of gas from the body cavity on inflation when in an operative position and formed to mold about a substantial portion of a surgeon'"'"'s hand or surgical instrument on insertion in an operating position. - View Dependent Claims (12, 13)
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14. A surgical device for use in minimally invasive surgery of the type using an inflated cavity accessible to a surgeon through an access port, defined by the device, surrounding an incision in a patient'"'"'s body, the device comprising:
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body cavity engagement means for insertion into the incision to locate the device in position, said body cavity engagement means including a distal ring; fixing means for attaching the device to a patient'"'"'s skin, said fixing means including a proximal ring; a sleeve connected between the body cavity engagement means and the fixing means, said sleeve having a length; wherein said proximal ring includes an adjustment means for adjusting the length of said sleeve to cause said sleeve to apply outward pressure against the patient'"'"'s body sufficient to retract sides of the incision; and one of an external proximal sealing valve mounted adjacent to said proximal ring and an internal distal sealing valve mounted adjacent to said distal ring, to prevent substantial leakage of gas from the body cavity on inflation when in an operative position and formed to mold about a substantial portion of a surgeon'"'"'s hand or surgical instrument on insertion in an operating position. - View Dependent Claims (15, 16)
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Specification