Tissue closure treatment system, patient interface and method
First Claim
1. A dressing assembly for a closed wound or incision, which comprises:
- an external patient interface including a fluid transfer component, said fluid transfer component being adapted for transferring fluid from the closed wound or incision;
said fluid transfer component including a foam core and a wicking material piece fluidically communicating with said foam core, said wicking material piece being adapted for placement on intact skin adjacent to said closed wound or incision;
said external patient interface including an overdrape placed over said fluid transfer component in contact with a surrounding skin surface; and
a pressure source connected to the fluid transfer component.
11 Assignments
0 Petitions
Accused Products
Abstract
A tissue closure treatment system and method are provided with an external patient interface. A first fluid transfer component FTC.1 comprises a strip of porous material, such as rayon, with liquid wicking properties. FTC.1 can be placed directly on a suture line for transferring fluid exuded therethrough. An underdrape is placed over FTC.1 and includes a slot exposing a portion of same. FTC.2 comprises a suitable hydrophobic foam material, such as polyurethane ether, and is placed over the underdrape slot in communication with FTC.1. Negative pressure is applied to FTC.2 through a connecting fluid transfer component FTC.3. A negative pressure source can comprises a manual device or a power-operated suction device. The tissue closure method includes a manual operating mode using a manual suction device with an automatic shut off for discontinuing suction when a predetermined volume of fluid has been drained. An automatic operating mode utilizes a microprocessor, which can be preprogrammed to respond to various patient and operating conditions. The method proceeds through several phases with different components in place and different patient interface functions occurring in each.
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Citations
27 Claims
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1. A dressing assembly for a closed wound or incision, which comprises:
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an external patient interface including a fluid transfer component, said fluid transfer component being adapted for transferring fluid from the closed wound or incision;
said fluid transfer component including a foam core and a wicking material piece fluidically communicating with said foam core, said wicking material piece being adapted for placement on intact skin adjacent to said closed wound or incision;
said external patient interface including an overdrape placed over said fluid transfer component in contact with a surrounding skin surface; and
a pressure source connected to the fluid transfer component. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16)
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17. A method of dressing a closed wound or incision, which method comprises the steps of:
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providing a fluid transfer component with a foam material core;
placing the fluid transfer component on the patient in fluidic connection with the closed wound or incision;
providing an overdrape and placing same over the fluid transfer component;
providing a wicking material and placing same substantially exclusively on intact skin adjacent to the closed wound or incision;
providing said overdrape with a seal strip having closed and open positions;
opening said seal strip; and
accessing said fluid transfer component through said open seal strip. - View Dependent Claims (18, 19)
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20. A dressing assembly for a wound or incision, which comprises:
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an external patient interface including an external fluid transfer component, said fluid transfer component being adapted for transferring fluid from the closed wound or incision;
said external patient interface including an overdrape placed over said fluid transfer component in contact with a surrounding skin surface; and
a reclosable seal strip connected to said overdrape and having a closed position sealing same and an open position providing access to said fluid transfer component therethrough;
an internal fluid transfer component located in said wound or incision in fluidic communication with said fluid transfer component; and
a pair of side drapes each located along a respective side of said wound or incision between said external fluid transfer component and the patient'"'"'s skin.
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21. A dressing assembly for a wound or incision, which comprises:
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an external patient interface including an external fluid transfer component, said fluid transfer component being adapted for transferring fluid from the closed wound or incision;
said external patient interface including an overdrape placed over said fluid transfer component in contact with a surrounding skin surface; and
a reclosable seal strip connected to said overdrape and having a closed position sealing same and an open position providing access to said fluid transfer component therethrough;
said overdrape having an opening located over said fluid transfer component;
an access panel including said seal strip and mounted on said overdrape with said seal strip selectively providing access to said fluid transfer component through said overdrape opening;
said access panel having a perimeter portion with an adhesive coating adapted for attaching same to said overdrape; and
said access panel having an adhesive-free central portion surrounded by said perimeter portion, said central portion including said seal strip.
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22. A dressing assembly for a wound or incision, which comprises:
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an external patient interface including an external fluid transfer component, said fluid transfer component being adapted for transferring fluid from the closed wound or incision;
said external patient interface including an overdrape placed over said fluid transfer component in contact with a surrounding skin surface; and
a reclosable seal strip connected to said overdrape and having a closed position sealing same and an open position providing access to said fluid transfer component therethrough;
said overdrape having an opening located over said fluid transfer component;
an access panel including said seal strip and mounted on said overdrape with said seal strip selectively providing access to said fluid transfer component through said overdrape opening; and
said seal strip includes a longitudinally-extending channel mounted on a first portion of said access panel and a longitudinally-extending rib mounted on a second portion of said access panel and selectively received in said channel with said seal strip in its closed configuration.
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23. A dressing assembly for a wound or incision, which comprises:
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an external patient interface including an external fluid transfer component, said fluid transfer component being adapted for transferring fluid from the closed wound or incision;
said external patient interface including an overdrape placed over said fluid transfer component in contact with a surrounding skin surface;
a reclosable seal strip connected to said overdrape and having a closed position sealing same and an open position providing access to said fluid transfer component therethrough;
a sheath including said overdrape and having an interior compartment receiving said foam core; and
said wicking material being located between said foam core and the patient, said wicking material being adapted to wick fluid from the patient and into the foam core. - View Dependent Claims (24, 25)
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26. A method of dressing a closed wound or incision, which method comprises the steps of:
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providing a fluid transfer component with a foam material core;
placing the fluid transfer component on the patient in fluidic connection with the closed wound or incision;
providing an overdrape and placing same over the fluid transfer component;
providing a wicking material and placing same between the foam material core and the closed wound or incision;
providing said overdrape with a seal strip having closed and open positions;
opening said seal strip;
accessing said fluid transfer component through said open seal strip;
providing a sheath including a top panel comprising said overdrape;
providing said sheath with a bottom panel;
providing a fluid transfer component in said bottom panel;
placing said fluid transfer component in said sheath;
communicating fluid from said wound or incision through said fluid transfer to said fluid transfer component;
extracting said fluid transfer component from said sheath;
flipping over or replacing said fluid transfer component and reinserting same in said sheath; and
closing said seal strip. - View Dependent Claims (27)
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Specification