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Wound therapy system with internal alternating orifice

A technology for treating systems and wounds, which is used in extraction and delivery systems, medicine devices, medicine devices, etc.

Pending Publication Date: 2021-09-14
KCI LICENSING INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

One challenge in instillation therapy can be determining how much fluid to deliver to the wound

Method used

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  • Wound therapy system with internal alternating orifice
  • Wound therapy system with internal alternating orifice
  • Wound therapy system with internal alternating orifice

Examples

Experimental program
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Embodiment Construction

[0067] overview

[0068] roughly refer to Figure 1 to Figure 17 , illustrates a wound treatment system according to various exemplary embodiments. The wound treatment system may include a treatment device and a wound dressing. The therapy device may include an instillation fluid tank, a removal fluid tank, valves, pneumatic pumps, infusion pumps, a tubing set module, and a controller. Wound dressings may be applied to the skin surrounding a wound of a patient. The therapy device may be configured to deliver instillation fluid to the wound and provide negative pressure wound therapy (NPWT) by maintaining the wound at negative pressure. The components of the wound therapy device, the wound dressing and the wound site form a negative pressure circuit.

[0069] The controller may be configured to operate the pneumatic pump, drip pump, tubing module, and / or other controllable components of the therapeutic device. In some embodiments, the controller estimates the wound volume ...

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PUM

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Abstract

A wound therapy system includes a dressing sealable over a wound and defining a wound space between the dressing and the wound, tubing fluidly communicable with the wound space, and a canister fluidly communicable with the tubing. The canister, the tubing, and the dressing define a sealed space that includes the wound space. The wound therapy system also includes a therapy unit coupled to the canister. The therapy unit includes a sensor configured to measure a pressure in the sealed space, a valve positioned between the sealed space and a surrounding environment and controllable between an open position and a closed position, and a control circuit. The control circuit is configured to control the valve to alternate between the open position and the closed position to allow airflow through the valve, receive measurements from the sensor, and determine a volume of the wound space based on the measurements.

Description

[0001] Cross References to Related Applications [0002] This application claims the benefit of priority to U.S. Provisional Application No. 62 / 802034, filed February 6, 2019, which is hereby incorporated by reference in its entirety. Background technique [0003] The present disclosure relates generally to a wound treatment system, and more particularly to a wound treatment system that provides negative pressure wound therapy (NPWT). NPWT refers to the creation of negative pressure (relative to atmospheric pressure) at the wound to promote wound healing. In wound treatment systems configured to provide NPWT, a dressing is typically sealed to the wound bed and placed in fluid communication with a pump operable to create a wound at the wound bed (i.e., in the wound space between the wound bed and the dressing). ) pump negative pressure. Because the dressing seals the wound bed, often for several days, it can be difficult to detect and monitor the progress of wound healing. O...

Claims

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Application Information

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IPC IPC(8): A61M1/00A61B5/107A61M3/02
CPCA61M3/0258A61M3/022A61M2205/3334A61B5/1073A61M2205/3344A61M2205/52A61M1/742A61M1/73A61M1/964A61M1/92A61M1/74A61M3/0202A61M1/96A61M1/77A61M1/966A61M1/777A61B5/445A61F2013/00174A61F2013/8494A61M35/006A61M2205/3337A61M1/962A61M1/71A61M1/90A61F13/05
Inventor 哈维尔·冈萨雷斯莎诺·C·英格拉姆
Owner KCI LICENSING INC
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