PROBLEM TO BE SOLVED: To provide a new tube nutrition injecting device, efficiently extruding a nutritional supplement from a nutritional supplement bag and extruding the nutritional supplement at a stable flow rate continuously and to the end.SOLUTION: This tube nutrition injecting device includes the followings (i)-(vii): (i) a back pressurizing means 16 having a pressurized air chamber 18 for applying pressure to an applied part 30 of the nutritional supplement bag 34 (ii) an electric pump 74 for supplying the pressurized air to the pressurized air chamber 18 (iii) an exhaust valve 78 for discharging the pressurized air from the pressurized air chamber 18 (iv) an air pressure pipe line 26 for connecting the electric pump 74 and the exhaust valve 78 to the pressurized air chamber 18 (v) a pump switch 94 for turning on and off the operation of the electric pump 47 (vi) a pressure sensor 76 for measuring the pressure in the pressurized air chamber 18 and (vii) a pressurization control means 86 for turning on and off the pump switch 94 according to the pressure in the pressurized air chamber 18.COPYRIGHT: (C)2011,JPO&INPIT【課題】栄養剤バッグからの栄養剤の押し出しを効率的に行うことが出来ると共に、栄養剤を安定した流量で継続的に且つ最後まで押し出すことが出来る、新規な経管栄養注入装置を提供すること。【解決手段】経管栄養注入装置において、以下の(i)~(vii)の構成を有する。(i)栄養剤バッグ34の装着部30に対して圧力を及ぼす加圧空気室18を備えたバッグ加圧手段16。(ii)加圧空気室18に加圧空気を供給する電動ポンプ74。(iii)加圧空気室18から加圧空気を排出する排気弁78。(iv)電動ポンプ74と排気弁78を加圧空気室18に接続する空気圧管路26。(v)電動ポンプ74の作動をON-OFFするポンプスイッチ94。(vi)加圧空気室18の圧力を計測する圧力センサ76。(vii)加圧空気室18の圧力に応じてポンプスイッチ94をONとOFFに切り替える加圧制御手段86。【選択図】図1
