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Apparatus for detecting moisture for an apparatus for monitoring the access to a patient, in particular for monitoring the vascular access during extracorporeal blood treatment

A blood treatment, patient technology, applied in the arterial hose line of the arterial puncture cannula to be transported away and supplied to the patient and/or transported away from the patient through a vein with a puncture cannula, which can solve problems such as loss of stability

Active Publication Date: 2012-01-11
FRESENIUS MEDICAL CARE DEUTSCHLAND GMBH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This slit is considered a disadvantage if the liner is placed on the patient's skin prior to application of the cannula, as the slit liner loses stability

Method used

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  • Apparatus for detecting moisture for an apparatus for monitoring the access to a patient, in particular for monitoring the vascular access during extracorporeal blood treatment
  • Apparatus for detecting moisture for an apparatus for monitoring the access to a patient, in particular for monitoring the vascular access during extracorporeal blood treatment
  • Apparatus for detecting moisture for an apparatus for monitoring the access to a patient, in particular for monitoring the vascular access during extracorporeal blood treatment

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Embodiment Construction

[0083] figure 1 Shown are the main components of a hemodialysis apparatus (A) including means (B) for monitoring arterial and venous vascular access. In this exemplary embodiment, the monitoring device (B) is a component of the hemodialysis device (A). will first refer to figure 1 The hemodialysis apparatus is described.

[0084] The hemodialysis device comprises a dialyzer 1 which is divided by a semipermeable membrane 2 into a blood chamber 3 and a dialysate chamber 4 . An arterial hose line 6 is connected via an arterial cannula 5 to one of the patient's arteries, said arterial hose line leading to the inlet of the chamber 3 of the dialyzer. Leaving from the outlet of the chamber 3 of the dialyzer is a venous hose line 7 connected via a venipuncture cannula 8 to one of the patient's veins. The arterial hose line 6 is inserted into the blocking blood pump 9, which delivers blood with the extracorporeal blood circuit 1. The dialysate circuit II of the hemodialysis machin...

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Abstract

The invention relates to an apparatus (40) for detecting moisture, which is intended for the use in an apparatus (B) for monitoring an access to a patient for a device by means of which a fluid is conducted to and / or removed from a patient via a hose line, in particular for monitoring the vascular access during an extracorporeal blood treatment, wherein blood of a patient is removed from the patient via an arterial hose line (5), which has an arterial puncture cannula (6), and is conducted back to the patient via a venous hose line (7), which has a venous puncture cannula (8). The apparatus according to the invention for detecting moisture is designed as a pad (22) which is made of a flexible material and is to be applied onto the patient's skin and which comprises an upper side (22A) facing away from the patient's skin and a lower side (22B) facing the patient's skin. The pad (22) comprises an opening (23) for the passage of fluid, in particular blood, and a moisture sensor (28) having contact elements (28D, 28E) for the connection of the same. The moisture sensor (28) is capable of detecting blood flowing through the opening (23) to the surface of the pad (22). The apparatus according to the invention is characterized in that the lower side (22A) of the pad (22) is impervious to fluid.

Description

technical field [0001] The invention relates to a device for detecting humidity, which is used in a device for monitoring access to a patient, the device for monitoring access to a patient being used in a device with which The device for monitoring access to a patient is used in particular for monitoring vascular access in extracorporeal blood treatment in which fluid is supplied to and / or removed from a patient via a hose line, in which the patient's blood is passed through with an arterial puncture The arterial hose line of the tube is carried away and resupplied back to the patient through the venous hose line with the venipuncture cannula. Furthermore, the invention relates to a device for monitoring access to a patient comprising means for detecting humidity. Furthermore, the invention relates to an extracorporeal blood treatment device with an extracorporeal blood circuit comprising an arterial hose line with an arterial cannula and a venous hose line with a venipunctur...

Claims

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Application Information

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IPC IPC(8): A61F13/42A61M1/36
CPCA61M1/3653A61M2001/3656A61M1/3656A61M1/3659
Inventor 克里斯托夫·柯尼希亚历山大·施勒尔斯安德烈亚斯·维珀亚历山大·海德于尔根·克勒温豪斯
Owner FRESENIUS MEDICAL CARE DEUTSCHLAND GMBH
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