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CN108883237A - 鼻腔药物的输送装置 - Google Patents

鼻腔药物的输送装置 Download PDF

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CN108883237A
CN108883237A CN201680015589.XA CN201680015589A CN108883237A CN 108883237 A CN108883237 A CN 108883237A CN 201680015589 A CN201680015589 A CN 201680015589A CN 108883237 A CN108883237 A CN 108883237A
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CN108883237B (zh
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哈特利·坎贝尔·阿特金森
布伦登·约翰·伍德海德
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Abstract

本发明涉及一种用于鼻腔药物的输送装置。其讨论的是将药物输送至病人鼻子的需求。在一个较佳实施例中该装置具有:适用于产生一超声波聚焦带的传感器10;一保留药物的进料室13;一小于所述进料室的激发室14;一网眼15;以及一出口17。该装置形成为,当其被激活时,进料室13持续地向激发室14装满药物(直到所述进料室内没有留下足够的药物以完成此步骤),以便于充分地连续为所述激发室的聚焦带内提供药物,所述药物能够被激发和驱动与所述网眼相接触,成为气溶胶,并通过出口离开所述装置。

Description

鼻腔药物的输送装置
技术领域
本发明涉及一种用于将药物输送至病人鼻腔的装置。
背景技术
输送药物至鼻腔的装置是已知的。在一些例子中通过使用压缩气体或压电能量使液态药物成为气雾状。它们经常作为“喷雾器”被提起,其典型地具有一个腔室,该腔室内是要被供给的药物。然后,使药剂与一网眼接触,或者通过一喷嘴运动,以作为气溶胶进入鼻腔。该网眼可通过一压电振荡元件直接振动,或者作为声学能量的结果进行间接振动。该声学能量也可被用来驱动药剂至网眼。
一些喷雾器具有一缺点在于,其输送装置在能够工作之前,要求一不合理的大的药剂最小体积。当药剂的体积下降至该最小体积之下时,相当大的剩余量会被浪费掉。本发明的优选实施例的一目的在于朝着缓解这一问题的方向寻求至少一些途径。然而本发明优选实施例中的该目的和其它目的不得看作是对本发明的权利要求保护范围的限制。本发明以其广大的多种形式的目的仅仅是提供一种有用的选择。
发明内容
根据本发明的一个方面,提供一种用于鼻腔药物的输送装置,具有:
适宜产生一超声波聚焦带的超声波能量产生器;
保留药物的进料室;
比所述进料室小的激发室(energising chamber);
网眼;以及
出口;
该装置的产生为的是,当其被激活时,进料室持续地向激发室装满药物(直到所述进料室内没有留下足够的药物以完成此步骤),以便于充分地连续为所述激发室的聚焦带内提供药物,所述药物能够被激发和驱动与所述网眼相接触,成为气溶胶,并通过出口的方式离开所述装置。
可选的,该装置具有适应于人类用户吹入的哨嘴,以及响应这种吹入的传感方法,导致药物被供给并形成气溶胶。
可选的,该激发室的体积为0.1cm3至0.8cm3,并且最好是体积为0.2cm3-0.4cm3
可选的,该超声波能量产生器包括一在被激活时适宜在聚焦带上聚焦超声波能量的凹面换能器,以便于在激发室中的药物被激发并且移动至网眼。
可选的,该装置形成为使得所述网眼随着药物接触到时而振动,以帮助产生气溶胶。
可选的,该装置具有一鼻探针,并且所述出口是鼻探针的一部分。
可选的,所述网眼与所述探针是整体的。
可选的,所述网眼直接邻近所述出口,以便于阻止或者使在装置中的气溶胶的凝结最小化。
可选的,所述激活腔、所述产生器和所述出口关于所述哨嘴呈大约40度-80度的角度,最好是大约50度-70度。
可选的,所述药物是在被供给之前的制药产物或盐溶液。
可选的,所述进料室具有一漏斗或引水槽,形成以轻而易举地促进药物进入激发室。
可选的,所述激发室具有一锥形基底,以推进药物在聚焦带处聚集。
可选的,所述激发室具有一井,以推进药物在聚焦带处聚集。
可选的,所述激发室是对称的。
可选的,所述激发室是不对称的。
可选的,所述进料室加所述激发室共同地具有足够的药物以供:
仅5个或更少的病人剂量;
仅4个或更少的病人剂量;
仅3个或更少的病人剂量;
仅2个或更少的病人剂量;
仅1个病人剂量。
(本文中的剂量是指每一事件的药物量,而不是,例如,声脉冲所需量)(所述激发室可能,在一些实施例中,初始值为空)。
根据本发明的另一方面,提供了一种用于鼻腔药物的输送装置,包括:
一吸嘴;
感应件;
以凹面换能器形式存在的一超声波能量产生器,适宜在一聚焦带上聚焦超声波能量;
一保留药物的进料室;
一比所述进料室小的激发室;
一网眼;以及
一鼻探针。
该装置形成为,当其被激活时,所述进料室持续地向所述激发室装满药物(直至该进料室没有足够的药物剩余以完成该动作),以便于充分地连续为所述激发室的聚焦带内提供药物,所述药物能够被激发和驱动与所述网眼相接触,成为气溶胶,并通过鼻探针的方式离开所述装置;
所述传感件设置为,当用户吹入所述吸嘴时进行检测,并且然后当所述网眼振动时促使药物被激发,产生泵动作以帮助产生气溶胶。
所述进料室具有一漏斗或引水槽,形成以轻而易举地促进药物进入激发室。
所述激发室具有一锥形基底或井,设置为用以推进药物进入聚焦带。
附图说明
现在将通过举例的方式,参考以下附图来描述本发明的一些优选实施例,其中:
图1为本发明的鼻腔药物的输送装置的爆炸等距视图;
图2为供应单元的侧横截面视图;
图3为供应单元的外部的侧视图;
图4为供应单元的膨胀侧横截面视图的细节展示;
图5为供应单元的等距视图;
图6为供应单元的相反等距视图;
图7为本发明的所述装置显示的等角度放置的各个部分的原理部分横截面视图;
图8为本发明示出的可替代实施例的一锥形药物激发室的药品供应单元的侧横截面视图的细节;
图9为本发明示出的可替代实施例的激发室包括一井的药品供应单元的侧横截面视图。
具体实施方式
请参阅图1,该输送装置用于治疗药剂至病人鼻腔的事件。其具有一主体1,一呼吸接收器2,以及一药物供应单元3。
主体
所述主体1具有一用于向用户显示信息的LCD屏幕4,例如要被输送的药物的名称,到期要使用的下一药剂的时间等。所述主体1还具有一电池,一用于装载所述电池或接收常规输入的USB端口5,一开/关电源开关6,一RFID阅读器7以及一呼吸传感器。用于所述输送装置的所有电子器件都是主体1的组成部分。
该RFID阅读器7能够读取保存在药物包装的标签上的存储药方详细内容。这些详细内容用于自动地对该装置进行设置以输送规定的药剂量。
呼吸传感器
呼吸传感器2通过一插接布置与主体1之间可拆卸的连接,该呼吸传感器2具有一可拆卸可替换的吸嘴8。该吸嘴8可被加紧在用户的嘴唇之间并且吹入。随着呼吸气息移动通过所述接收器2,其被主体1上的传感器从听觉上进行检测,并且,作为结果,该装置被触发以输送药物至用户。然后该呼吸气息向外通过该装置的背部9,为其提供服务。该装置只有在用户吹气/呼气时才释放药物。这是因为呼气的动作使得用户的咽喉关闭,从而使得药物只能被输送至鼻子,而不是喉咙或肺。
药物供应单元
请参考图2-6,该药物供给单元3具有一凹面压电陶瓷超声传感器10,超声能量传动液11(可选择水),一超声透明膜12(可以由例如聚醚醚酮(PEEK)材料所形成),一药物(液体)进料室13,一液体激发室14,一网眼15以及一鼻探针16。该激发室14可以是或者可以不是非对称的或有角度的。该鼻探针16和所述网眼的分部装配与供应单元3的其余部分通过扭锁机制的方式相结合,使其可以很容易地被清洁或替换。
特别参阅图4,该传感器10是凹面的并且发出通过传导液11传输的超声波能量,通过膜12并且进入激发室14内的药物负载18a中。该负载18a在声学聚焦带19内被声激发,所述聚焦带由传感器产生,所述传感器在网眼15的内表面制造声学辐射压力。作为结果,该网眼15振动并且随着药物移动至网眼15上的气孔产生微泵动作。与网眼15的这种接触使得该药物成为气溶胶20,例如在网眼15的外表面。然后该气溶胶20经由出口17向外通过该鼻探针16。如果该探针被保留在用户的鼻子中,该气溶胶进入他或她的鼻腔中给予治疗安慰。
进一步参考图4,该传感器10的凹面性质将超声能量聚集在激发室14内的聚焦带19上,从而使药物负载18a成为声学上被激活的。图4中的虚线示出了由传感器10的凹面所造成的一超声能量路径。如聚焦带19所代表的范围是聚集的超声波能量的一个小区域。如图所示,该聚焦带优选包含聚焦点19a,其位置依赖于传感器的曲率。在本发明的一些实施例中,该聚焦带可以和聚焦点等同。
在该较佳实施例中,该激发室14在尺寸上大约为0.2cm3-0.4cm3。激发室14相对于液体存储室13的小尺寸意味着聚焦带19的尺寸是缩到最小的。这有助于最小化或充分限制当进料室被耗尽时,在激发室14内的剩余药物(损耗)的数量。
激发室14中的液体药物18a是由来自进料室13的在标准重力下的药物18b的新的负载所补充的。这样保证了总是有准备要被声学激发的药物18a的装载,直到液体存储室中的药物变空。当激发室14中药物的体积不够时,将不会有足够的声学辐射压力来有效地振动所述网眼15。
参阅图2,网眼15设置在鼻探针16内部,并且与所述鼻探针16成整体,出口是在探针端部的开口17。网眼15的气孔尺寸部分由气溶胶悬浮微粒的尺寸所决定。
参阅图1,药物供应单元3可以从主体1上被轻易地拆卸以供清洗,消毒或更换。其通过呼吸接收器2中的腔体连接至主体1。特别参阅图7,该药物供给单元轻微向上成角度,以帮助药物更容易地流进激发室14并且阻止在激发室14或传输媒介11中形成气泡。该角度还帮助人更好地匹配气溶胶在鼻腔内离开所述网眼至一目标区域的路径。
其它特征
在本发明的一些实施例中只有用户购买了足够的电子“信用”该装置才能运行,其与所述装置通过无线地或者固线地进行通信。
参阅图8和图9,在一些实施例中该供给室13具有由薄膜12所提供的倾斜的基底或者井,该设计以推进药物18a在聚焦带内集中收集以便于阻止或减少未送达的剩余。
本发明通过举例的方式描述了一些较佳形式,任何变更或者改进都不脱离本发明所附权利要求的保护范围。

Claims (19)

1.一种鼻腔药物的输送装置,具有:
适宜产生一超声聚焦带的超声能量产生器;
一保留药物的进料室;
比所述进料室小的激发室;
一网眼;以及
一出口;
所述装置形成为,当其被激活时,所述进料室持续地向所述激发室装满药物(直到所述进料室内没有留下足够的药物以完成此动作),以便于充分地连续为所述激发室的聚焦带内提供药物,所述药物能够被激发和驱动与所述网眼相接触,成为气溶胶,并通过出口的方式离开所述装置。
2.根据权利要求1所述的装置,具有一适宜人类用户吹入的吸嘴和传感件,所述传感件对于所述的吹入进行响应,使得所述药物被激发并形成气溶胶。
3.根据权利要求1或2所述的装置,其中所述激发室的体积为0.1cm3至0.8cm3
4.根据权利要求1或2所述的装置,其中所述激发室的体积为0.2cm3至0.4cm3
5.根据前述任一项权利要求所述的装置,其中所述超声能量产生器包括一凹面换能器,所述凹面换能器适宜在被激活时在所述聚焦带上聚焦超声波能量,从而使得在所述激发室中的药物成为声学上被激发的,并且朝所述网眼运动。
6.根据前述任一项权利要求所述的装置,所述装置形成为,随着药物接触到网眼,使得所述网眼振动,以便帮助产生气溶胶。
7.根据前述任一项权利要求所述的装置,还包括一鼻探针,其中所述出口为所述探针的一部分。
8.根据权利要求7所述的装置,其中所述网眼与所述探针是整体的。
9.根据前述任一项权利要求所述的装置,所述网眼与所述出口直接相邻,从而防止或者使在所述装置中的气溶胶的凝结最小化。
10.根据前述任一项权利要求所述的装置,其中所述激活室,所述产生器和出口关于所述吸嘴呈大约40度至80度的角度。
11.根据前述任一项权利要求所述的装置,其中所述激活室,所述产生器和出口关于所述吸嘴呈大约50度至70度的角度。
12.根据前述任一项权利要求所述的装置,其中所述药物是制药产物或盐溶液。
13.根据前述任一项权利要求所述的装置,其中所述进料室具有一漏斗或引水槽,其形成以轻易地促进所述药物进入所述激发室。
14.根据前述任一项权利要求所述的装置,其中所述激发室具有一锥形基底,用以促进药物集中至所述聚焦带。
15.根据前述任一项权利要求所述的装置,其中所述激发室具有一井,用以促进药物集中至所述聚焦带。
16.根据前述任一项权利要求所述的装置,其中所述进料室加所述激发室共同地具有足够的药物以供:
③仅5个或更少的病人剂量;
③仅4个或更少的病人剂量;
③仅3个或更少的病人剂量;
③仅2个或更少的病人剂量;
③仅1个病人剂量。
17.一种鼻腔药物的输送装置,包括:
吸嘴;
感应件;
以凹面换能器形式存在的一超声波能量产生器,所述凹面换能器适宜在一聚焦带上聚焦超声波能量;
一保留药物的进料室;
一比所述进料室小的激发室;
一网眼;以及
一鼻探针;
该装置形成为,当其被激活时,所述进料室持续地向所述激发室装满药物(直至该进料室没有足够的药物剩余以完成该动作),以便于充分地连续为所述激发室的聚焦带内提供药物,所述药物能够被激发和驱动与所述网眼相接触,成为气溶胶,并通过鼻探针的方式离开所述装置;
所述传感件设置为,当用户吹入所述吸嘴时进行检测,并且然后当所述网眼振动时促使药物被激发,产生泵动作以帮助产生气溶胶;
所述进料室具有一漏斗或引水槽,形成以轻而易举地促进药物进入供给室;
所述激发室具有一锥形基底和/或井,设置为用以推进药物进入聚焦带。
18.根据权利要求1所述的装置,实质上如这里所描述的。
19.一种鼻腔药物的输送装置,实质上如这里所描述的并结合参考附图。
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