CN113907949B - 止血消肿型创可贴 - Google Patents
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Abstract
本发明提供一种止血消肿型创可贴，包括下表面设有黏贴层的外套；外套内部的中央设有由发热材料填充的、透气面料包裹的发热包；发热包周围设有由防水层包裹的制冷包；制冷包内从上至下填充有海绵体和薄膜水囊，海绵体内均匀掺入有硝酸铵颗粒；外套的上表面由弹性树脂片构成，且弹性树脂片覆盖在制冷包上的区域制有通气孔；薄膜水囊未破裂时，薄膜水囊与海绵体使制冷包处于膨胀状态，此时，弹性树脂片的通气孔被制冷包的上表面堵住，以使发热包接触不到外界空气。该止血消肿型创可贴可形成缓慢持久的冷敷效果，使伤口附近血管从容收缩，以减少冷刺激；并且，可在伤口完全止血后，形成热敷效果，以促进新皮肤细胞的生长。
Description
技术领域
本发明涉及医用材料领域，特别地，涉及一种创可贴。
背景技术
目前普通的创可贴，基本只有盖住伤口的作用，并不能快速地对伤口止血、消肿。为此，申请号为2014201876494的专利申请中，提出了一种冷敷创可贴，其原理是，通过内置的硝酸铵片，与水体进行溶解吸热，以使伤口表面快速降温，从而收缩伤口附近血管，以期获得快速止血、消肿效果。但是该种采用硝酸铵片直接与水体接触并溶解的方式，导致硝酸铵片的溶解速度十分迅速。由此，当创可贴刚贴上去时，伤口一下子感到十分寒冷，所受的冷刺激十分明显，对伤口愈合具有一定的副作用；并且硝酸铵片很快溶解完后，制冷效应就很快消失了，降温效果不持久，不稳定。再者，伤口在完全止血后，则需要较温暖的环境，即热敷，才利于皮肤细胞的生长，而普通创可贴，以及上述冷敷型创可贴，都不具有热敷功能。
发明内容
针对上述问题，本发明的目的在于提供一种止血消肿型创可贴，该止血消肿型创可贴在贴敷于伤口后，可形成缓慢持久的冷敷效果，使伤口附近血管从容收缩，以减少冷刺激；并且，可在伤口完全止血后，形成热敷效果，以促进新皮肤细胞的生长。
本发明解决其技术问题所采用的技术方案是：该止血消肿型创可贴包括下表面设有黏贴层的外套；所述外套内部的中央设有一个由发热材料填充的、透气面料包裹的发热包；所述发热包周围设有由防水层包裹的制冷包；所述制冷包内从上至下填充有海绵体和薄膜水囊，所述海绵体内均匀掺入有硝酸铵颗粒；所述外套的上表面由弹性树脂片构成，且所述弹性树脂片覆盖在制冷包上的区域制有通气孔；所述薄膜水囊未破裂时，薄膜水囊与海绵体使所述制冷包处于膨胀状态，此时，所述弹性树脂片的通气孔被制冷包的上表面堵住，以使所述发热包接触不到外界空气。
作为优选，所述黏贴层由可揭除的保护膜覆盖。
作为优选，所述止血消肿型创可贴呈条状，所述发热包设于中部，发热包两侧对称设有一个所述制冷包。
作为优选，所述止血消肿型创可贴呈圆形，所述发热包设于中部，发热包周围环绕设置所述制冷包。
作为优选，所述发热包内的发热材料包括铁粉、蛭石、活性炭、无机盐。
作为优选，所述海绵体的体积大于所述薄膜水囊中的水体体积。
作为优选，所述制冷包的下表面与所述外套的内表面黏合，以使制冷包缩小时，总是向下方收缩，确保制冷包上方与所述弹性树脂片之间留出较大的间隔。
作为优选，所述弹性树脂片表面的通气孔均为锥形孔，且具有如下特点：处于所述发热包一侧的通气孔大口朝内，小口朝外；而处于发热包另一侧的通气孔小口朝外，大口朝外。
本发明的有益效果在于：该止血消肿型创可贴在使用时，直接将外套覆盖在伤口上，使其中央的发热包正对伤口中央；然后手动按压其制冷包，使其内部的薄膜水囊破裂，此后，由于制冷包内部的海绵体的吸水效应，使薄膜水囊流出的水体逐渐被吸入海绵体中，并逐渐溶解均布于海绵体内部的硝酸铵颗粒，由此可以形成较长一段时间的吸热降温效应，以对伤口冷敷的同时，降低对伤口的过冷刺激；而随着薄膜水囊中的水体被海绵体吸干，制冷包的体积明显减小（由硝酸铵颗粒溶解导致），由此，制冷包的上表面与构成外套上表面的弹性树脂片脱离，使外界空气可以通过弹性树脂片表面的通气孔进入到发热包内，使发热包发热而形成热敷效应，以促进伤口皮肤细胞的生长。
附图说明
图1是本止血消肿型创可贴的实施例一在未使用状态下的示意图。
图2是本止血消肿型创可贴的实施例一在使用过程中的示意图。
具体实施方式
下面结合附图和实施例对本发明进一步说明：
实施例一：
在图1、图2所示的实施例一中，该止血消肿型创可贴呈长条状，包括下表面设有黏贴层12的外套1；黏贴层12上正常应当覆盖一层保护膜，使用时揭去保护膜后，直接将外套1贴在伤口上。所述外套1内部的中央设有一个由发热材料填充的、透气面料包裹的发热包2；所述发热包2两侧对称设有由防水层包裹的制冷包3；所述制冷包3内从上至下填充有海绵体31和薄膜水囊32，所述海绵体31内均匀掺入有硝酸铵颗粒；所述外套1的上表面由弹性树脂片11构成，且所述弹性树脂片11覆盖在制冷包3上的区域制有通气孔110；所述薄膜水囊32未破裂时，如图1所示，薄膜水囊32与海绵体31使所述制冷包3处于膨胀状态，此时，所述弹性树脂片11的通气孔110被制冷包3的上表面堵住，以使所述发热包2接触不到外界空气。
上述的止血消肿创可贴，所述发热包2内的发热材料包括铁粉、蛭石、活性炭、无机盐。即普通暖宝宝的材料。所述海绵体31的体积大于所述薄膜水囊32中的水体体积，以使海绵体31可以将薄膜水囊32中流出的水体吸干。所述制冷包3的下表面与所述外套1的内表面黏合，以使制冷包3缩小时，总是向下方收缩，确保制冷包3上方与所述弹性树脂片11之间留出较大的间隔。
上述止血消肿型创可贴在使用时，直接将外套1覆盖在伤口上，使其中央的发热包2正对伤口中央；然后手动按压其制冷包3，使其内部的薄膜水囊32破裂，此后，由于制冷包3内部的海绵体31的吸水效应，使薄膜水囊32流出的水体逐渐被吸入海绵体31中，并逐渐溶解均布于海绵体31内部的硝酸铵颗粒，由此可以形成较长一段时间的吸热降温效应，即可以有效防止水体一下子浇灌到硝酸铵上，形成剧烈溶解吸热现象；从而在对伤口冷敷的同时，降低对伤口的过冷刺激；而随着薄膜水囊32中的水体被海绵体31吸干，制冷包3的体积明显减小，由此，制冷包3的上表面与构成外套上表面的弹性树脂片11脱离，如图2所示，此时外界空气可以通过弹性树脂片11表面的通气孔110进入到发热包2内，使发热包2发热而形成热敷效应，以促进伤口皮肤细胞的生长。
除了以上实施例外，对于所述弹性树脂片11表面的通气孔110，还可以作进一步的优化设计。如，将通气孔110均制成锥形孔，并且处于所述发热包2一侧的通气孔大口朝内，小口朝外；而处于发热包2另一侧的通气孔小口朝外，大口朝外。按照该设计，在热敷状态下时，创可贴状态如图2所示，可知，用手指按压弹性树脂片11上通气孔110小口朝内的一侧时，弹性树脂片该侧所包围的空气向外的气阻较大，而易于穿过发热包2后，从发热包2另一侧的弹性树脂片上的通气孔流出，而放开手指，弹性树脂片11回弹，则空气自动补入弹性树脂片11回弹侧的包围区。由此，在需要提高热敷温度时，只需用手指连续点压弹性树脂片11的一侧，即可加快发热包2内的空气供给，从而增强发热效应。
以上所述仅为本发明的较佳实施例，并不用以限制本发明，凡在本发明的精神和原则之内，所作的任何修改、等同替换，均应包含在本发明的保护范围之内。
Claims (7)
1.一种止血消肿型创可贴，包括下表面设有黏贴层（12）的外套（1），所述外套（1）内部的中央设有一个由发热材料填充的、透气面料包裹的发热包（2）；所述发热包（2）周围设有由防水层包裹的制冷包（3）；所述制冷包（3）内从上至下填充有海绵体（31）和薄膜水囊（32），所述海绵体（31）内均匀掺入有硝酸铵颗粒；其特征在于：所述外套（1）的上表面由弹性树脂片（11）构成，且所述弹性树脂片（11）覆盖在制冷包（3）上的区域制有通气孔（110）；所述薄膜水囊（32）未破裂时，薄膜水囊（32）与海绵体（31）使所述制冷包（3）处于膨胀状态，此时，所述弹性树脂片（11）的通气孔（110）被制冷包（3）的上表面堵住，以使所述发热包（2）接触不到外界空气；所述制冷包（3）的下表面与所述外套（1）的内表面黏合。
2.根据权利要求1所述的止血消肿型创可贴，其特征在于：所述黏贴层（12）由可揭除的保护膜覆盖。
3.根据权利要求1所述的止血消肿型创可贴，其特征在于：所述止血消肿型创可贴呈条状，所述发热包（2）设于中部，发热包两侧对称设有一个所述制冷包（3）。
4.根据权利要求1所述的止血消肿型创可贴，其特征在于：所述止血消肿型创可贴呈圆形，所述发热包（2）设于中部，发热包周围环绕设置所述制冷包（3）。
5.根据权利要求1-4中任意一项所述的止血消肿型创可贴，其特征在于：所述发热包（2）内的发热材料包括铁粉、蛭石、活性炭、无机盐。
6.根据权利要求1-4中任意一项所述的止血消肿型创可贴，其特征在于：所述海绵体（31）的体积大于所述薄膜水囊（32）中的水体体积。
7.根据权利要求1-4中任意一项所述的止血消肿型创可贴，其特征在于：所述弹性树脂片（11）表面的通气孔（110）均为锥形孔，且具有如下特点：处于所述发热包（2）一侧的通气孔大口朝内，小口朝外；而处于发热包（2）另一侧的通气孔小口朝外，大口朝外。
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