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Device and method for monitoring an access to a patient, in particular a vascular access during an extracorporeal blood treatment

An extracorporeal blood and vascular access technology, applied in the field of devices for monitoring vascular access, devices for monitoring arterial and/or venous vascular access, monitoring access to patients, monitoring arterial and/or venous vascular access, and devices for access. Solve problems such as monitoring vascular access without solving

Inactive Publication Date: 2011-01-26
FRESENIUS MEDICAL CARE DEUTSCHLAND GMBH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, US 7176344B2 does not address the problem of monitoring vascular access into a patient

Method used

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  • Device and method for monitoring an access to a patient, in particular a vascular access during an extracorporeal blood treatment
  • Device and method for monitoring an access to a patient, in particular a vascular access during an extracorporeal blood treatment
  • Device and method for monitoring an access to a patient, in particular a vascular access during an extracorporeal blood treatment

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0034] figure 1 Shown are the main components of a hemodialysis apparatus containing devices for monitoring venous and arterial vascular access. The hemodialysis device comprises a dialyzer 1 , which is divided into a blood chamber 3 and a dialysate fluid chamber 4 by a semipermeable membrane 2 . An arterial line 6 is connected via an arterial cannula 5 to one of the patient's arteries, said arterial line leading to the inlet of the chamber 3 of the dialyzer. Leading out from the outlet of the chamber 3 of the dialyzer is an venous line 7 which is connected via a venipuncture cannula 8 to one of the patient's veins. The arterial line 6 is inserted into the blocking blood pump 9 , which delivers the blood in the extracorporeal blood circuit I .

[0035] The dialysis fluid circuit II of the hemodialysis apparatus comprises a dialysis fluid source 10 connected to a dialysis fluid supply line 11 leading to the inlet of the dialysis fluid chamber 4 of the dialyzer. Leaving from ...

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PUM

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Abstract

The invention relates to the monitoring of an access to a patient at a puncture point, in particular the monitoring of the arterial and / or venous vascular access during an extracorporeal blood treatment. The device according to the invention, using which the exit of blood at the puncture point can be recognized, is implemented as a magnetoelastic moisture sensor (24), which is embedded in an absorbent material (25), which is laid on the puncture point (37). For the case in which infusion solution and / or blood exits from the puncture point (37), the incorrect seating of the puncture cannula (39) can be recognized reliably using the device according to the invention. The absorbent material (25) having the embedded magnetoelastic moisture sensor (24) can be laid like conventional bandage material or a gauze bandage on the puncture point. It is advantageous that using the device according to the invention, the requirements of hospital hygiene during dialysis are also fulfilled, because the puncture point is sterilely covered by laying on the device according to the invention. In addition, the device according to the invention may be provided cost-effectively in large piece counts as an article intended for single use and can be handled like conventional bandage material to avoid infections at puncture points. The monitoring of the patient access thus does not require additional measures.

Description

technical field [0001] The invention relates to a device for detecting fluids for a device for monitoring access to a patient, in particular for monitoring arterial and / or venous vascular access in extracorporeal blood treatment apparatus. Furthermore, the invention also relates to a device for monitoring access to a patient, in particular a device for monitoring vascular access in extracorporeal blood treatment, whereby the monitoring device comprises a device for detecting blood. Moreover, the invention also relates to an extracorporeal blood treatment device with means for monitoring arterial and / or venous vascular access and a method for monitoring access into a patient, in particular for monitoring arterial and / or venous vascular access in extracorporeal blood treatment Methods. Background technique [0002] In the field of medical technology, devices are known which can be used to withdraw fluid from a patient or to feed fluid to a patient via a line. Access to the p...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A61F13/42A61M5/158
CPCA61M1/367A61M5/158A61M2005/1588A61M2205/15
Inventor 马尔特·格罗斯
Owner FRESENIUS MEDICAL CARE DEUTSCHLAND GMBH