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Systems and methods for incorporating patient pressure into medical fluid delivery

A technology of fluid delivery and fluid, which is applied in the field of medical fluid delivery machines, and can solve the problems of patients with uncomfortable cardiopulmonary function, adverse effects, excessive filling of drainage patients, etc.

Active Publication Date: 2020-03-17
BAXTER INT INC +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

As a result, it is not possible to know precisely how much daytime fluid must be drained during the initial drain of the next nocturnal APD therapy
Also, the uncertainty of initial drainage leads to even greater uncertainty about how much fluid will remain in the patient at the end of each cycle
[0009] Uncertainty with drainage can cause patients to overfill at next fill
Overfilling the patient may cause excessive pressure on the patient's diaphragm, blood vessels, and internal organs, resulting in patient discomfort and possible adverse effects on cardiopulmonary function

Method used

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  • Systems and methods for incorporating patient pressure into medical fluid delivery
  • Systems and methods for incorporating patient pressure into medical fluid delivery
  • Systems and methods for incorporating patient pressure into medical fluid delivery

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Embodiment Construction

[0069] Referring now to the drawings and in particular to figure 1 , with method 10 illustrating various embodiments of patient pressure pumping methods for the present invention. At oval 12, method 10 begins. At box 14, the method 10 executes a portion of the priming or draining procedure. In one embodiment, the filling or draining procedure is a peritoneal dialysis ("PD") procedure performed as part of a PD cycle, where there may be multiple filling, draining, Indwelling and drainage cycle. It should be understood, however, that the filling or draining procedure of block 14 can be applied to any type of medical fluid delivery in which medical fluid is delivered to (and possibly removed from) an area of ​​a patient's body and collected in that area , pressure may develop in this area. In addition to PD, the systems and methods herein can also be applied to medical or nutritional fluid delivery.

[0070] Box 16 and diamond 18 form the sequential procedure in which it is ...

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Abstract

A medical fluid delivery machine includes a pump interface having an actuation area for delivering positive or negative pressure to a medical fluid handling device; a pressure sensor positioned to measure pressure within the actuation area; a valve positioned to selectively vent the actuation area to atmosphere; and a control unit in signal communication with the pressure sensor and control communication with the valve, the control unit performing a sequence during pumping, wherein (i) application of positive pressure or negative pressure to the actuation area is stopped, the valve is switchedto vent the actuation area to atmosphere, then switched to close the actuation area to atmosphere, and at least one pressure signal reading is taken via the pressure sensor, and (ii) a determinationis made whether positive pressure or negative pressure to the chamber should be resumed based on the at least one pressure signal reading.

Description

technical field [0001] The present invention relates generally to medical fluid delivery machines, and more particularly to patient pressure measurement in connection with medical fluid delivery. Background technique [0002] One type of medical fluid delivery relevant to the present invention is that for the treatment of renal failure. For various reasons, a person's kidney system can fail. Renal failure produces several physiological abnormalities. For example, it is no longer possible to balance water and minerals or to excrete the daily metabolic load. Toxic end products of nitrogen metabolism (urea, creatinine, uric acid, etc.) accumulate in the blood and tissues. [0003] Kidney failure and reduced kidney function have been treated with dialysis. Dialysis removes waste products, toxins and excess water from the body that would otherwise be removed by the kidneys, which are functioning normally. One type of dialysis treatment is peritoneal dialysis, which infuses a...

Claims

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Application Information

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IPC IPC(8): A61M1/28
CPCA61M1/28A61M2205/12A61M2205/3344A61M1/155A61M1/159A61M1/1524A61M1/1561A61M5/16831A61M1/14G05D7/06A61M5/16804A61M2205/3331
Inventor 丁原邦瑞安·约瑟夫·托马斯安德斯·约翰·韦林斯詹姆斯·安东尼·斯洛安德
Owner BAXTER INT INC
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