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Blood purification device

A blood purification and blood technology, applied in blood circulation treatment, drug equipment, suction equipment, etc., can solve problems such as blood leakage

Pending Publication Date: 2019-12-20
NIKKISO COMPANY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, during the extracorporeal circulation of blood, for example, the puncture needle is unintentionally pulled out from the puncture part of the patient due to factors such as human body movement, especially when the puncture needle is pulled out on the venous side, there is a risk of blood leakage. danger to the outside

Method used

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Embodiment Construction

[0045] Hereinafter, this embodiment will be specifically described with reference to the drawings.

[0046] The blood purification device of the present embodiment is constituted by a blood purification device for performing hemodialysis treatment and dehydration treatment while circulating the patient's blood extracorporeally, such as figure 1 As shown, the blood purification device includes: a blood circuit 1; a dialyzer 2 used as a blood purification mechanism connected to the blood circuit 1; a dialysate inlet line L1 and a dialysate discharge line L2, the dialysate The introduction pipeline L1 and the dialysate discharge pipeline L2 are arranged in the device body B; the artery side electrode D1 and the vein side electrode D2; the oscillation mechanism 8; the measurement mechanism 9; the measurement mechanism 10; the storage mechanism 11; the judgment mechanism 12; the notification mechanism 13.

[0047] The blood circuit 1 is composed of a flexible tube through which a ...

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Abstract

The present invention provides a blood purification device that is capable of detecting an abnormal blood vessel puncture state of an artery-side puncture needle or a vein-side puncture needle. This blood purification device is provided with: an oscillation means (8) that is capable of applying an alternating current at a prescribed frequency and of switching said alternating current between multiple frequencies; a measurement means (9) that is capable of measuring the impedance for each of the frequencies; a gauging means (10) that is capable of acquiring frequency characteristics of the impedances; a storage means 11 that is capable of storing impedance frequency characteristic in the case when an artery-side puncture needle a and a vein-side puncture needle b are puncturing a patient'sblood vessels normally; and a determination means (12) that is capable of determining whether or not the artery-side puncture needle a or the vein-side puncture needle b is puncturing a blood vessel normally in accordance with a variation between the impedance frequency characteristic acquired by the gauging means (10) and the impedance frequency characteristic stored in the storage means (11).

Description

technical field [0001] The present invention relates to a blood purification device, which can purify blood of a patient who is circulated extracorporeally through an arterial side blood circuit and a venous side blood circuit. Background technique [0002] Generally, in dialysis treatment, a dialysis treatment device is used, and the dialysis treatment device includes a blood circuit for extracorporeal circulation of the patient's blood; a dialyzer, which is connected to the middle of the blood circuit; a dialysis device body The main body of the dialysis device can carry out the introduction or export of the dialysate between the dialyzer and the hemodialysis treatment while removing water. Since the dialysis treatment performed by such a dialysis treatment device is usually performed for about 4 hours a day, the blood circulation dynamics of the patient undergoing treatment greatly changes, especially the blood pressure caused by the effective and reliable removal of resi...

Claims

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Application Information

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IPC IPC(8): A61M1/36
CPCA61M1/3669A61M1/3656A61M2205/3317A61M1/1601A61M2205/52
Inventor 后藤仁丰田将弘村上智也秋田邦彦
Owner NIKKISO COMPANY
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