URN,Face Mask,Nose Cone Product Insert
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URN,Face Mask,Nose Cone Product Insert - 1

Expertise In Research Anesthesia, Equipment And Supplies URN (UNIVERSAL RODENT NOSE CONE) URN NRB SYSTEM (UNIVERSAL RODENT NOSE CONE NON-REBREATHING SYSTEM) SMALL RODENT FACE MASK for use with URN NRB System body RODENT FACE MASKS MAPLESON-D NRB - With Small Rodent Face Mask

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URN,Face Mask,Nose Cone Product Insert - 2

Face Mask / Nose Cone / URN / Mapleson-D NRB User Instructions Application: The URN (designed to be used with a coaxial non-rebreathing system), and URN NRB system (a coaxial non-rebreathing system), and Small Rodent Face Mask, and Mapleson-D NRB are designed to be used primarily with mice and rats. These devices are usually used in conjunction with an inhalant anesthesia system; however they could be used to administer oxygen and/or other metabolic gases without inhalant anesthesia (for example if the subject were anesthetized with an injectable anesthetic). However, any species can be...

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URN,Face Mask,Nose Cone Product Insert - 3

Optional Accessory - AA-00-0309 A 6 inch wide X 36 inch long sheet of 12 mil latex diaphragm material that can be purchased separately. (see figure 6) 2 Figure 6

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URN,Face Mask,Nose Cone Product Insert - 4

Legend for Figures #7, #8, and #9 (URN NRB and Mapleson-D NRB systems) #1. Silicone "O" ring AA-00-0319 for URN and URN NRB System. Note: Each URN and URN NRB System comes with an extra "O" ring. #2. Silicone "O" ring AA-00-0315 for Small Rodent Face Mask. Note: Each Small Rodent Face Mask comes with an extra "O" ring. #3. 12 mil Latex Diaphragm. Note: Each URN, URN NRB System, and Small Rodent Face Mask comes with an extra 6 inch X 6 inch sheet of Latex Diaphragm material to facilitate replacing defective diaphragms. Note: Extra diaphragm material may be purchased separately. AA-000309 (6...

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URN,Face Mask,Nose Cone Product Insert - 5

5. Since the anesthetic gases and the typical carrier gases (Example: 100% Oxygen, Medical Air, Nitrous Oxide, Nitrogen, etc.) are extremely volatile, the fresh gas flowrate is used to continually flush the waste gases into the Waste Gas Management System. It is vital to the proper operation of the NRB System that the diaphragm of the URN and the Small Rodent Face Mask be cut with the proper sized orifice--appropriate for the size of the subject and the position of the subject. Since rodents are obligatory nose breathers in the sternal recumbency, it is not necessary to insert more than the...

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URN,Face Mask,Nose Cone Product Insert - 6

Replacing the "O" Ring and the Diaphragm: 1. The silicone "O" ring holds the diaphragm material in place on the URN and Rodent Face Mask fresh gas reservoir. A. Silicone is more resistant to photo degradation and oxidation than latex. However, when it becomes cracked or broken and will no longer hold the diaphragm material in place, it is time to change the "O" ring. An extra "O" ring comes with each kit. Additional "O" rings can be purchased separately. 2. The "O" ring can be removed by rolling it from the groove it rests in. Using your thumb, press down and roll the "O" ring to the front...

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URN,Face Mask,Nose Cone Product Insert - 7

Face Mask / Nose Cone / URN / Mapleson-D NRB User Instructions

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