PRESSURE BASED VESSEL LOCATING SYSTEM
A pressure based vessel locating system including a pressure based vessel locator device coupled to a needle or catheter. The pressure based vessel locator device can include a proximal end having an air permeable membrane, and a first chamber and a second chamber. The first chamber can be separated...
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Format: | Patent |
Sprache: | eng ; fre ; ger |
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Zusammenfassung: | A pressure based vessel locating system including a pressure based vessel locator device coupled to a needle or catheter. The pressure based vessel locator device can include a proximal end having an air permeable membrane, and a first chamber and a second chamber. The first chamber can be separated from a second chamber by an interior wall. Each of the first chamber and the second chamber include a proximal opening and a chamber opening having a pressure activated valve disposed therein. The pressure based vessel locator device can further include an air permeable membrane configured to cover proximal openings of the first chamber and the second chamber. Each of the chambers include a window enabling a user to observe the contents of each chamber. A method of identifying a blood vessel includes visually inspecting each chamber for the presence or absence of blood therein. |
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