技术领域Technical Field
本发明涉及创口引流技术领域，具体提供了一种冷却介质液的辅助吸引结构。The invention relates to the technical field of wound drainage, and in particular provides an auxiliary suction structure for cooling medium liquid.
背景技术Background Art
采用等离子手术刀的息肉消融手术是一种耳鼻喉科的重要手术，由于人体的耳鼻喉中多为软组织和感官细胞，高温会破坏邻近细胞组织的功能，需要控制其低温下手术，即在手术同时需要冷却介质液的保护，同时由于该类手术多为组织外科手术作业，一般在病人口腔进行操作，介质液若无法及时从病人口腔中负压吸出，病人则会有窒息的风险。目前可冷却刀头与负压吸引管组件为分体设计，其目的只是利用冷却介质液与等离子电极相接触实现切割，在主刀医师的操作过程中，需要手术护士及时用额外的负压吸引头手动处理多余的液体，控制流液的体积量，严重影响手术的连贯性与主治医师的操作及时性和术野，造成手术效率的降低。现有技术CN110464452A一种耳鼻喉科用等离子手术电极，包括陶瓷头、工作电极、管状回路电极、吸水管和出水导流件；陶瓷头内设置有回流孔，陶瓷头的一端上设置有工作电极，陶瓷头的另一端通过管状回路电极与手柄端部固定连接；吸水管套设于管状回路电极内，且吸水管与管状回路电极之间形成进水通道，吸水管的端部与陶瓷头连接并与回流孔连通；管状回路电极靠近端部的位置上设置有至少一个出水孔，出水导流件密封设置在管状回路电极对应出水孔的位置上，出水导流件与管状回路电极之间形成有注水通道。现有技术在通常情况下流出的冷却介质液远大于食道消纳量，存在大量液体无法及时排出的问题，导致了冷却介质液在病人口腔残留。发明人认为现有技术存在较大的改进空间。Polyp ablation surgery using a plasma scalpel is an important surgery in the Department of Otolaryngology. Since the human ear, nose and throat are mostly soft tissues and sensory cells, high temperatures will destroy the functions of adjacent cell tissues, and the surgery needs to be controlled at low temperatures, that is, the protection of cooling medium liquid is required during the surgery. At the same time, since this type of surgery is mostly tissue surgery, it is generally performed in the patient's mouth. If the medium liquid cannot be sucked out of the patient's mouth by negative pressure in time, the patient will be at risk of suffocation. At present, the coolable blade head and negative pressure suction tube assembly are designed separately, and their purpose is only to use the cooling medium liquid to contact the plasma electrode to achieve cutting. During the operation of the chief surgeon, the surgical nurse needs to manually handle the excess liquid with an additional negative pressure suction head in time to control the volume of the flowing liquid, which seriously affects the continuity of the operation and the timeliness and surgical field of the attending physician, resulting in a decrease in surgical efficiency. Prior art CN110464452A is a plasma surgical electrode for otolaryngology, comprising a ceramic head, a working electrode, a tubular loop electrode, a water suction pipe and a water outlet guide; a reflux hole is provided in the ceramic head, a working electrode is provided on one end of the ceramic head, and the other end of the ceramic head is fixedly connected to the end of the handle through the tubular loop electrode; the water suction pipe is sleeved in the tubular loop electrode, and a water inlet channel is formed between the water suction pipe and the tubular loop electrode, and the end of the water suction pipe is connected to the ceramic head and communicated with the reflux hole; at least one water outlet hole is provided at a position close to the end of the tubular loop electrode, and the water outlet guide is sealed at the position of the tubular loop electrode corresponding to the water outlet hole, and a water injection channel is formed between the water outlet guide and the tubular loop electrode. Prior art Under normal circumstances, the cooling medium liquid flowing out is much larger than the esophageal digestion amount, and there is a problem that a large amount of liquid cannot be discharged in time, resulting in the cooling medium liquid remaining in the patient's mouth. The inventor believes that there is a large room for improvement in the prior art.
发明内容Summary of the invention
本发明的目的在于扩大吸引头的吸液范围，增强吸力效果，等离子手术刀能够吸除多余冷却介质液，降低病人窒息的风险。其次，等离子手术刀实现局部储水冷却功能，冷却介质液能够短暂停留在肌肉表面和手术刀头附近，充分利用冷却介质液的冷却效果；主刀医师能够独立完成手术操作和处理多余的冷却介质液，减少额外手术医护人员的配置，提升手术效率。为此，本发明提供了一种冷却介质液的辅助吸引结构，包括等离子手术刀和负压产生单元，辅助吸引结构包括内套件和外套件，等离子手术刀包括手术刀头和刀杆组件，手术刀头外壁设有内套件，内套件包括内套件固定部和内套件储水部，内套件固定部贴合刀杆组件的外周表面，内套件储水部的内壁与手术刀头之间设有储水空腔。采用内套件套接在等离子手术刀外，增大等离子手术刀的冷却介质液的吸液范围，增强等离子手术刀的吸液效果；内套件和手术刀头形成储水空腔，能够使冷却介质液短暂停留在肌肉表面和手术刀头附近，便于等离子手术刀吸除冷却介质液以及充分利用冷却介质液的冷却效果，减少冷却介质液的体积量；储水空腔能够约束冷却介质液的喷出方向，降低冷却介质液的喷出冲击力，降低冷却介质液对手术区域的肌肉刺激。The purpose of the present invention is to expand the liquid suction range of the suction head and enhance the suction effect. The plasma scalpel can absorb excess cooling medium liquid and reduce the risk of suffocation of patients. Secondly, the plasma scalpel realizes the local water storage cooling function. The cooling medium liquid can stay on the muscle surface and near the scalpel head for a short time, making full use of the cooling effect of the cooling medium liquid; the surgeon can independently complete the surgical operation and handle the excess cooling medium liquid, reduce the configuration of additional surgical medical staff, and improve the efficiency of the operation. To this end, the present invention provides an auxiliary suction structure for cooling medium liquid, including a plasma scalpel and a negative pressure generating unit, the auxiliary suction structure includes an inner kit and an outer kit, the plasma scalpel includes a scalpel head and a shank assembly, the outer wall of the scalpel head is provided with an inner kit, the inner kit includes an inner kit fixing part and an inner kit water storage part, the inner kit fixing part fits the outer peripheral surface of the shank assembly, and a water storage cavity is provided between the inner wall of the inner kit water storage part and the scalpel head. The inner sleeve is sleeved on the outside of the plasma scalpel to increase the liquid absorption range of the cooling medium liquid of the plasma scalpel and enhance the liquid absorption effect of the plasma scalpel; the inner sleeve and the scalpel head form a water storage cavity, which can make the cooling medium liquid temporarily stay on the muscle surface and near the scalpel head, making it easy for the plasma scalpel to absorb the cooling medium liquid and fully utilize the cooling effect of the cooling medium liquid, thereby reducing the volume of the cooling medium liquid; the water storage cavity can restrict the spraying direction of the cooling medium liquid, reduce the spraying impact force of the cooling medium liquid, and reduce the stimulation of the cooling medium liquid on the muscles of the surgical area.
作为优选，外套件包括外套件固定部和外套件负压产生部，外套件固定部配合负压吸引管与刀杆组件组合形成的外周表面，内套件的外壁和外套件负压产生部的内壁之间设有负压空腔，负压空腔靠近手术刀头的一端和储水空腔连通。采用外套件套接在刀杆组件外形成负压空腔，进一步增大等离子手术刀的冷却介质液的吸液范围，增强等离子手术刀的吸液效果；负压空腔与负压生成单元连通形成冷却介质液吸除辅助回路，冷却介质液吸除辅助回路配合刀头吸水孔扩大冷却介质液的吸除范围，提高冷却介质液的吸除率，减少甚至避免冷却介质液在病人口腔内的残留。Preferably, the outer set comprises an outer set fixing part and an outer set negative pressure generating part, the outer set fixing part cooperates with the outer peripheral surface formed by the combination of the negative pressure suction tube and the knife bar assembly, a negative pressure cavity is provided between the outer wall of the inner set and the inner wall of the negative pressure generating part of the outer set, and the negative pressure cavity is connected to the water storage cavity at one end close to the surgical blade. The outer set is sleeved on the outside of the knife bar assembly to form a negative pressure cavity, which further increases the suction range of the cooling medium liquid of the plasma scalpel and enhances the suction effect of the plasma scalpel; the negative pressure cavity is connected to the negative pressure generating unit to form a cooling medium liquid suction auxiliary circuit, and the cooling medium liquid suction auxiliary circuit cooperates with the water suction hole of the knife head to expand the suction range of the cooling medium liquid, improve the suction rate of the cooling medium liquid, and reduce or even avoid the residual cooling medium liquid in the patient's mouth.
作为优选，刀杆组件外设有负压产生单元的负压吸引管，负压空腔远离手术刀头的一端与负压吸引管的管道相连。采用负压吸引管连接负压空腔，避免等离子手术刀上设置负压产生单元，减轻等离子手术刀的重力以及负压吸引管能够连接多数型号的负压产生单元，提高等离子手术刀与负压产生单元的适配性。Preferably, the blade rod assembly is provided with a negative pressure suction tube of a negative pressure generating unit, and the end of the negative pressure cavity away from the surgical blade head is connected to the pipeline of the negative pressure suction tube. The negative pressure suction tube is used to connect the negative pressure cavity, so as to avoid the need to set a negative pressure generating unit on the plasma surgical knife, reduce the gravity of the plasma surgical knife, and the negative pressure suction tube can be connected to most types of negative pressure generating units, thereby improving the compatibility of the plasma surgical knife and the negative pressure generating unit.
作为优选，刀杆组件的相切位置设有与负压产生单元的负压吸引管，负压吸引管与刀杆组件平行，负压吸引管为软管。负压吸引管与刀杆组件相切并平行，能够降低负压产生单元形成的吸力和吸力调节对等离子手术刀的影响，降低对主刀医师操作稳定性的影响；负压吸引管为软管，使负压吸引管能够在主刀医师移动等离子手术刀的过程发生弯曲和形变，避免牵拉主刀医师操作，降低对手术过程的影响。Preferably, a negative pressure suction tube is provided at a tangent position of the knife bar assembly, and the negative pressure suction tube is parallel to the knife bar assembly, and the negative pressure suction tube is a hose. The negative pressure suction tube is tangent to and parallel to the knife bar assembly, which can reduce the influence of the suction force and suction force adjustment formed by the negative pressure generating unit on the plasma scalpel, and reduce the influence on the operating stability of the surgeon; the negative pressure suction tube is a hose, so that the negative pressure suction tube can bend and deform in the process of the surgeon moving the plasma scalpel, avoiding pulling the surgeon's operation and reducing the influence on the surgical process.
作为优选，内套件固定部与负压吸引管的前端之间设有空隙。内套件固定部与负压吸引管前端之间的间隙能够增大局部吸力截面积，提高冷却介质液吸除辅助回路的吸力，提高冷却介质液的吸除率。Preferably, a gap is provided between the inner sleeve fixing part and the front end of the negative pressure suction tube. The gap between the inner sleeve fixing part and the front end of the negative pressure suction tube can increase the local suction cross-sectional area, improve the suction of the cooling medium liquid suction auxiliary circuit, and improve the cooling medium liquid suction rate.
作为优选，手术刀头设有手术刀出液孔，手术刀出液孔的孔道与储水空腔相连。手术刀出液孔的冷却介质液在接触肌肉表面后在储水空腔蓄集、停留，能够充分利用冷却介质液的冷却效果，以及便于由刀头吸水孔和负压空腔吸除冷却介质液。Preferably, the surgical blade head is provided with a surgical blade outlet hole, and the channel of the surgical blade outlet hole is connected to the water storage cavity. The cooling medium liquid of the surgical blade outlet hole accumulates and stays in the water storage cavity after contacting the muscle surface, which can fully utilize the cooling effect of the cooling medium liquid and facilitate the cooling medium liquid to be sucked out by the blade head water absorption hole and the negative pressure cavity.
作为优选，手术刀头和刀杆组件具有角度，外套件负压产生部包括外套件刀杆配合部和外套件刀头配合部，外套件刀杆配合部和刀杆组件同心配合。外套件刀杆配合部和刀杆组件同心配合方便手术时调整刀口深度以及冷却介质液吸除时密封效果。Preferably, the surgical blade head and the blade rod assembly have an angle, the outer set negative pressure generating part includes an outer set blade rod matching part and an outer set blade head matching part, and the outer set blade rod matching part and the blade rod assembly are concentrically matched. The outer set blade rod matching part and the blade rod assembly are concentrically matched to facilitate the adjustment of the blade depth during surgery and the sealing effect when the cooling medium liquid is sucked out.
作为优选，内套件的前端面和外套件的前端面平行，手术刀头的前端与内套件的前端面的距离H1大于手术刀头的前端与外套件的前端面的距离H2。通过上述设置，外套件的前端面相较于内套件的前端面更靠近病人的肌肉表面，外套件的前端面和内套件的前端面形成阶梯差，便于储水空腔内的冷却介质液吸入负压空腔；避免内套件接触病人肌肉表面，刺激手术区域肌肉，保持靠近手术刀头处手术区域的肌肉松弛。Preferably, the front end face of the inner set is parallel to the front end face of the outer set, and the distance H1 between the front end of the surgical blade head and the front end face of the inner set is greater than the distance H2 between the front end of the surgical blade head and the front end face of the outer set. Through the above arrangement, the front end face of the outer set is closer to the patient's muscle surface than the front end face of the inner set, and the front end face of the outer set and the front end face of the inner set form a step difference, which facilitates the cooling medium liquid in the water storage cavity to be sucked into the negative pressure cavity; the inner set is prevented from contacting the patient's muscle surface, stimulating the muscles in the surgical area, and keeping the muscles in the surgical area close to the surgical blade relaxed.
作为优选，外套件负压产生部的内壁设有引导螺旋结构，引导螺旋结构的延伸方向与负压空腔的延伸方向相同。采用引导螺旋结构引导冷却介质液流动，引导螺旋结构使冷却介质液在吸除过程中形成旋转的流体，加快冷却介质液的流动速度，提高冷却介质液的吸除速度；引导螺旋结构能够破坏吸除冷却介质液的稳定状态，避免使用后的冷却介质液内的杂质堵塞负压空腔。Preferably, the inner wall of the negative pressure generating part of the outer sleeve is provided with a guiding spiral structure, and the extending direction of the guiding spiral structure is the same as the extending direction of the negative pressure cavity. The guiding spiral structure is used to guide the flow of the cooling medium liquid, and the guiding spiral structure makes the cooling medium liquid form a rotating fluid during the suction process, which accelerates the flow speed of the cooling medium liquid and improves the suction speed of the cooling medium liquid; the guiding spiral structure can destroy the stable state of the cooling medium liquid suction, and avoid impurities in the cooling medium liquid after use from clogging the negative pressure cavity.
本发明实现了扩大吸引头的吸液范围，增强的吸力效果，等离子手术刀能够吸除多余冷却介质液，降低病人窒息的风险；等离子手术刀实现局部储水冷却功能，冷却介质液能够短暂停留在肌肉表面和手术刀头附近，充分利用冷却介质液的冷却效果；主刀医师能够独立完成手术操作和处理多余的冷却介质液，减少额外手术医护人员的配置，提升手术效率，并具有以下有益效果，内套件和手术刀头形成储水空腔，能够使冷却介质液短暂停留在肌肉表面和手术刀头附近，便于等离子手术刀吸除冷却介质液以及充分利用冷却介质液的冷却效果，减少冷却介质液的体积量；负压吸引管与刀杆组件相切并平行，能够降低负压产生单元形成的吸力和吸力调节对等离子手术刀的影响，降低对主刀医师操作稳定性的影响；负压吸引管为软管，使负压吸引管能够在主刀医师移动等离子手术刀的过程发生弯曲和形变，避免牵拉主刀医师操作，降低对手术过程的影响；采用引导槽引导冷却介质液流动，多条引导槽使冷却介质液在吸除过程中形成旋转的流体，加快冷却介质液的流动速度，提高冷却介质液的吸除速度。The present invention achieves the expansion of the suction range of the suction head and the enhanced suction effect. The plasma scalpel can absorb excess cooling medium liquid and reduce the risk of suffocation of patients; the plasma scalpel realizes the local water storage cooling function, and the cooling medium liquid can temporarily stay on the muscle surface and near the scalpel head, making full use of the cooling effect of the cooling medium liquid; the surgeon can independently complete the surgical operation and handle excess cooling medium liquid, reducing the configuration of additional surgical medical staff and improving the surgical efficiency, and has the following beneficial effects: the inner kit and the scalpel head form a water storage cavity, which can make the cooling medium liquid temporarily stay on the muscle surface and near the scalpel head, making it convenient for the plasma scalpel to absorb the cooling medium liquid And make full use of the cooling effect of the cooling medium liquid to reduce the volume of the cooling medium liquid; the negative pressure suction tube is tangent to and parallel to the knife rod assembly, which can reduce the suction force formed by the negative pressure generating unit and the suction force adjustment on the plasma scalpel, and reduce the impact on the operating stability of the surgeon; the negative pressure suction tube is a hose, so that the negative pressure suction tube can bend and deform in the process of the surgeon moving the plasma scalpel, avoiding pulling the surgeon's operation and reducing the impact on the surgical process; a guide groove is used to guide the flow of the cooling medium liquid, and multiple guide grooves allow the cooling medium liquid to form a rotating fluid during the suction process, thereby accelerating the flow speed of the cooling medium liquid and improving the suction speed of the cooling medium liquid.
附图说明BRIEF DESCRIPTION OF THE DRAWINGS
为了更清楚地说明发明的实施方式或现有技术中的技术方案，下面将对实施方式或现有技术描述中所需要使用的附图做简单的介绍。显而易见地，下面描述中的附图仅仅是示例性的，对于本领域普通技术人员来讲，在不付出创造性劳动的前提下，还可以根据提供的附图引申获得其他的实施附图。In order to more clearly illustrate the implementation methods of the invention or the technical solutions in the prior art, the following briefly introduces the drawings required for the implementation methods or the description of the prior art. Obviously, the drawings in the following description are only exemplary, and for ordinary technicians in this field, other implementation drawings can be derived from the provided drawings without creative work.
图1为本发明的等离子手术刀的辅助吸引结构的结构示意图；FIG1 is a schematic structural diagram of an auxiliary suction structure of a plasma surgical knife according to the present invention;
图2为本发明的手术刀头的结构示意图；FIG2 is a schematic structural diagram of a surgical blade head of the present invention;
图3为本发明的内套件的剖视图；FIG3 is a cross-sectional view of the inner sleeve of the present invention;
图4为本发明的实施例一的外套件的剖视图；FIG4 is a cross-sectional view of an outer sleeve of Embodiment 1 of the present invention;
图5为本发明的实施例一的手术刀头位置的剖视图；FIG5 is a cross-sectional view of the position of the surgical blade head according to the first embodiment of the present invention;
图6为本发明的实施例二的外套件的剖视图；FIG6 is a cross-sectional view of an outer sleeve of Embodiment 2 of the present invention;
图7为本发明的实施例二的手术刀头位置的剖视图；FIG7 is a cross-sectional view of the position of the surgical blade head of the second embodiment of the present invention;
图8为本发明的实施例三的内套件的剖视图；FIG8 is a cross-sectional view of the inner sleeve of the third embodiment of the present invention;
图9为本发明的实施例三的外套件的剖视图；FIG9 is a cross-sectional view of an outer sleeve of Embodiment 3 of the present invention;
图10为本发明的实施例三的手术刀头位置的剖视图。FIG. 10 is a cross-sectional view of the position of the surgical blade head according to the third embodiment of the present invention.
附图标记说明：1刀杆组件；2软管固定件；3手柄；4进水软管；5 电源线；6负压吸引管；7辅助吸引结构；8手术刀头；9内套件；901内套件固定部；902内套件储水部；903内套件连接部；10外套件；1001外套件固定部；1002外套件刀杆配合部；1003外套件刀头配合部；1004引导螺旋结构；1005外套件连接部；11手术刀出液孔；12等离子电极基座；13刀头吸水孔；14负压吸引连接器；15储水空腔；16负压空腔。Explanation of the reference numerals: 1. the knife bar assembly; 2. the hose fixing part; 3. the handle; 4. the water inlet hose; 5. the power cord; 6. the negative pressure suction tube; 7. the auxiliary suction structure; 8. the surgical blade head; 9. the inner kit; 901. the inner kit fixing part; 902. the inner kit water storage part; 903. the inner kit connecting part; 10. the outer kit; 1001. the outer kit fixing part; 1002. the outer kit knife bar matching part; 1003. the outer kit knife head matching part; 1004. the guiding spiral structure; 1005. the outer kit connecting part; 11. the surgical blade liquid outlet hole; 12. the plasma electrode base; 13. the knife head water absorption hole; 14. the negative pressure suction connector; 15. the water storage cavity; 16. the negative pressure cavity.
具体实施方式DETAILED DESCRIPTION
下面将结合本发明实施例中的附图，对本发明实施例中的技术方案进行清楚、完整地描述，显然，所描述的实施例仅仅是本发明一部分实施例，而不是全部的实施例。The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments.
实施例一Embodiment 1
结合图1、图2和图3所示，本实施例提供了一种冷却介质液的辅助吸引结构7，包括手术刀头8、刀杆组件1和负压产生单元，刀杆组件1的前端设置有等离子电极基座12，刀杆组件1的后端设置有进水软管4和电源线5，进水软管4的后端连接冷却介质液水袋，其前端与所述手术刀头8相连通，所述电源线5的后端连接等离子电源，其前端与等离子电极基座12相连接，手术刀头8的外侧套有辅助吸引结构7，辅助吸引结构7包括内套件9和外套件10，等离子手术刀包括手术刀头8和刀杆组件1，手术刀头8外壁设有内套件9，内套件9包括内套件固定部901和内套件储水部902，内套件固定部901贴合刀杆组件1的外周表面，内套件储水部902的内壁与手术刀头8之间设有储水空腔15。内套件固定部901和刀杆组件1胶接成一体。内套件9和外套件10为一次性使用的医用耗材，材料选用满足手术环境要求的医用塑料，在本实施例中为聚碳酸酯。In combination with Figures 1, 2 and 3, this embodiment provides an auxiliary suction structure 7 for cooling medium liquid, including a surgical blade head 8, a blade rod assembly 1 and a negative pressure generating unit, the front end of the blade rod assembly 1 is provided with a plasma electrode base 12, the rear end of the blade rod assembly 1 is provided with a water inlet hose 4 and a power cord 5, the rear end of the water inlet hose 4 is connected to a cooling medium liquid water bag, and its front end is connected to the surgical blade head 8, the rear end of the power cord 5 is connected to a plasma power supply, and its front end is connected to the plasma electrode base 12, the outer side of the surgical blade head 8 is sleeved with an auxiliary suction structure 7, the auxiliary suction structure 7 includes an inner kit 9 and an outer kit 10, the plasma scalpel includes a surgical blade head 8 and a blade rod assembly 1, the outer wall of the surgical blade head 8 is provided with an inner kit 9, the inner kit 9 includes an inner kit fixing portion 901 and an inner kit water storage portion 902, the inner kit fixing portion 901 is attached to the outer peripheral surface of the blade rod assembly 1, and a water storage cavity 15 is provided between the inner wall of the inner kit water storage portion 902 and the surgical blade head 8. The inner set fixing part 901 is glued together with the knife bar assembly 1. The inner set 9 and the outer set 10 are disposable medical consumables, and the material is selected from medical plastics that meet the requirements of the surgical environment, and in this embodiment, it is polycarbonate.
实际使用时，电源线5连接医用配套等离子电源，进水软管4连接冷却介质液水袋，负压吸引管6连接负压吸引连接器14，并最终与负压吸引电机相连；外套件10套接在负压吸引管6和刀杆组件1外，采用医用胶条固定外套件固定部1001距离手术刀头8远端处；内套件固定部901紧密插接在刀杆组件1外壁。冷却介质液从手术刀出液孔11喷出，经过储水空腔15到达病人肌肉表面，由手术刀头8的刀头吸水孔13吸除，组成冷却介质液吸除主回路。冷却介质液从手术刀出液孔11喷出，经过储水空腔15到达病人肌肉表面发生扩散，由外套件10负压产生部和内套件9之间的负压空腔16吸入负压吸引管6，组成冷却介质液吸除辅助回路。In actual use, the power cord 5 is connected to the medical supporting plasma power supply, the water inlet hose 4 is connected to the cooling medium liquid water bag, the negative pressure suction tube 6 is connected to the negative pressure suction connector 14, and finally connected to the negative pressure suction motor; the outer set 10 is sleeved on the outside of the negative pressure suction tube 6 and the knife rod assembly 1, and the outer set fixing part 1001 is fixed by a medical adhesive strip at the far end of the surgical blade 8; the inner set fixing part 901 is tightly plugged into the outer wall of the knife rod assembly 1. The cooling medium liquid is sprayed from the surgical knife liquid outlet 11, passes through the water storage cavity 15 to reach the patient's muscle surface, and is sucked out by the knife head water absorption hole 13 of the surgical blade 8, forming a cooling medium liquid suction main circuit. The cooling medium liquid is sprayed from the surgical knife liquid outlet 11, passes through the water storage cavity 15 to reach the patient's muscle surface and diffuses, and is sucked into the negative pressure suction tube 6 by the negative pressure cavity 16 between the negative pressure generating part of the outer set 10 and the inner set 9, forming a cooling medium liquid suction auxiliary circuit.
采用内套件9套接在等离子手术刀外，增大等离子手术刀的冷却介质液的吸液范围，增强等离子手术刀的吸液效果；内套件9和手术刀头8形成储水空腔15，能够使冷却介质液短暂停留在肌肉表面和手术刀头8附近，便于等离子手术刀吸除冷却介质液以及充分利用冷却介质液的冷却效果，减少冷却介质液的体积量；储水空腔能够约束冷却介质液的喷出方向，降低冷却介质液的喷出冲击力，降低冷却介质液对手术区域的肌肉刺激；主刀医师能够独立完成手术操作和处理多余的冷却介质液，减少额外手术医护人员的配置，提升手术效率。The inner sleeve 9 is sleeved on the outside of the plasma scalpel to increase the liquid absorption range of the cooling medium liquid of the plasma scalpel and enhance the liquid absorption effect of the plasma scalpel; the inner sleeve 9 and the surgical blade head 8 form a water storage cavity 15, which can make the cooling medium liquid temporarily stay on the muscle surface and near the surgical blade head 8, so that the plasma scalpel can absorb the cooling medium liquid and fully utilize the cooling effect of the cooling medium liquid, thereby reducing the volume of the cooling medium liquid; the water storage cavity can restrict the spraying direction of the cooling medium liquid, reduce the spraying impact force of the cooling medium liquid, and reduce the muscle stimulation of the cooling medium liquid on the surgical area; the surgeon can independently complete the surgical operation and handle the excess cooling medium liquid, thereby reducing the configuration of additional surgical medical staff and improving the surgical efficiency.
结合图4和图5所示，外套件10包括外套件固定部1001和外套件负压产生部，外套件固定部1001配合负压吸引管6与刀杆组件1组合形成的外周表面，内套件9的外壁和外套件负压产生部的内壁之间设有负压空腔16，负压空腔16靠近手术刀头8的一端和储水空腔15连通。在本实施例中，外套件固定部1001采用医用胶条固定在刀杆组件1表面，医用胶条固定外套件固定部1001距离手术刀头8远端处，便于调整手术刀头8从负压吸引辅助结构内的伸出长度。采用外套件10套接在刀杆组件1外形成负压空腔16，进一步增大等离子手术刀的冷却介质液的吸液范围，增强等离子手术刀的吸液效果；负压空腔16与负压生成单元连通形成冷却介质液吸除辅助回路，冷却介质液吸除辅助回路配合刀头吸水孔13扩大冷却介质液的吸除范围，提高冷却介质液的吸除率，减少甚至避免冷却介质液在病人口腔内的残留。As shown in combination with FIG. 4 and FIG. 5 , the outer set 10 includes an outer set fixing portion 1001 and an outer set negative pressure generating portion. The outer set fixing portion 1001 cooperates with the outer peripheral surface formed by the combination of the negative pressure suction tube 6 and the knife bar assembly 1. A negative pressure cavity 16 is provided between the outer wall of the inner set 9 and the inner wall of the outer set negative pressure generating portion. The negative pressure cavity 16 is connected to the water storage cavity 15 at one end close to the surgical blade 8. In this embodiment, the outer set fixing portion 1001 is fixed to the surface of the knife bar assembly 1 by a medical adhesive tape. The medical adhesive tape fixes the outer set fixing portion 1001 at a distance from the distal end of the surgical blade 8, so as to facilitate the adjustment of the extension length of the surgical blade 8 from the negative pressure suction auxiliary structure. An outer sleeve 10 is sleeved on the outside of the knife rod assembly 1 to form a negative pressure cavity 16, which further increases the suction range of the cooling medium liquid of the plasma scalpel and enhances the suction effect of the plasma scalpel; the negative pressure cavity 16 is connected to the negative pressure generating unit to form a cooling medium liquid suction auxiliary circuit, and the cooling medium liquid suction auxiliary circuit cooperates with the knife head water absorption hole 13 to expand the suction range of the cooling medium liquid, improve the suction rate of the cooling medium liquid, and reduce or even avoid the residual cooling medium liquid in the patient's mouth.
如图5所示，刀杆组件1外设有负压产生单元的负压吸引管6，负压空腔16远离手术刀头8的一端与负压吸引管6的管道相连。刀杆组件1的相切位置设有与负压产生单元的负压吸引管6，负压吸引管6与刀杆组件1平行，负压吸引管6为软管，采用软管固定件2将负压吸引管6与刀杆组件1连成一体作局部固定。As shown in Fig. 5, the negative pressure suction tube 6 of the negative pressure generating unit is provided outside the knife bar assembly 1, and the end of the negative pressure cavity 16 away from the surgical blade 8 is connected to the pipeline of the negative pressure suction tube 6. The negative pressure suction tube 6 of the negative pressure generating unit is provided at a tangent position of the knife bar assembly 1, and the negative pressure suction tube 6 is parallel to the knife bar assembly 1. The negative pressure suction tube 6 is a hose, and the hose fixing part 2 is used to connect the negative pressure suction tube 6 and the knife bar assembly 1 as a whole for partial fixation.
采用负压吸引管6连接负压空腔16，避免等离子手术刀上设置负压产生单元，减轻等离子手术刀的重力以及负压吸引管6能够连接多数型号的负压产生单元，提高等离子手术刀与负压产生单元的适配性。负压吸引管6与刀杆组件1相切并平行，能够降低负压产生单元形成的吸力和吸力调节对等离子手术刀的影响，降低对主刀医师操作稳定性的影响；负压吸引管6为软管，使负压吸引管6能够在主刀医师移动等离子手术刀的过程发生弯曲和形变，避免牵拉主刀医师操作，降低对手术过程的影响。The negative pressure suction tube 6 is used to connect the negative pressure cavity 16, so as to avoid the need to set a negative pressure generating unit on the plasma scalpel, reduce the gravity of the plasma scalpel, and the negative pressure suction tube 6 can be connected to most types of negative pressure generating units, thereby improving the compatibility of the plasma scalpel with the negative pressure generating unit. The negative pressure suction tube 6 is tangent to and parallel to the knife rod assembly 1, which can reduce the influence of the suction force and suction force adjustment formed by the negative pressure generating unit on the plasma scalpel, and reduce the influence on the operating stability of the surgeon; the negative pressure suction tube 6 is a hose, so that the negative pressure suction tube 6 can bend and deform in the process of the surgeon moving the plasma scalpel, thereby avoiding pulling the surgeon's operation and reducing the influence on the surgical process.
如图5所示，内套件固定部901与负压吸引管6的前端之间设有空隙B1,B1取值在1至2cm之间，在本实施例中B1为1.5cm，内套件固定部901与负压吸引管6前端之间的间隙能够增大局部吸力截面积，提高冷却介质液吸除辅助回路的吸力，提高冷却介质液的吸除率。As shown in FIG5 , a gapB1 is provided between the inner set fixing portion 901 and the front end of the negative pressure suction tube 6. The value ofB1 is between 1 and 2 cm. In the present embodiment,B1 is 1.5 cm. The gap between the inner set fixing portion 901 and the front end of the negative pressure suction tube 6 can increase the local suction cross-sectional area, improve the suction of the cooling medium liquid suction auxiliary circuit, and improve the cooling medium liquid suction rate.
结合图2和图5所示，手术刀头8设有手术刀出液孔11，手术刀出液孔11的孔道与储水空腔15相连。手术刀出液孔11的冷却介质液在接触肌肉表面后在储水空腔15蓄集、停留，能够充分利用冷却介质液的冷却效果，以及便于由刀头吸水孔13和负压空腔16吸除冷却介质液。As shown in combination with FIG2 and FIG5, the surgical blade head 8 is provided with a surgical blade liquid outlet 11, and the channel of the surgical blade liquid outlet 11 is connected to the water storage cavity 15. The cooling medium liquid of the surgical blade liquid outlet 11 is accumulated and retained in the water storage cavity 15 after contacting the muscle surface, which can fully utilize the cooling effect of the cooling medium liquid and facilitate the cooling medium liquid to be sucked out by the blade head water absorption hole 13 and the negative pressure cavity 16.
如图5所示，手术刀头8和刀杆组件1具有角度α，α取值在25至45°之间，在本实施例中α为34°，手术刀出液孔11位于手术刀头8和刀杆组件1夹角的内侧，约束冷却介质液的喷出方向避免冷却介质液在供给过程中飞溅。外套件10负压产生部包括外套件刀杆配合部1002和外套件刀头配合部1003，外套件刀杆配合部1002和刀杆组件1同心配合。外套件刀杆配合部1002和刀杆组件1同心配合方便手术时调整刀口深度以及冷却介质液吸除时密封效果。As shown in FIG5 , the surgical blade head 8 and the shank assembly 1 have an angle α, and the value of α is between 25 and 45°. In the present embodiment, α is 34°. The surgical blade liquid outlet 11 is located on the inner side of the angle between the surgical blade head 8 and the shank assembly 1, and the spraying direction of the cooling medium liquid is restricted to avoid splashing of the cooling medium liquid during the supply process. The negative pressure generating part of the outer set 10 includes an outer set shank matching part 1002 and an outer set shank matching part 1003, and the outer set shank matching part 1002 and the shank assembly 1 are concentrically matched. The concentric matching of the outer set shank matching part 1002 and the shank assembly 1 facilitates the adjustment of the blade depth during surgery and the sealing effect when the cooling medium liquid is sucked out.
如图5所示，内套件9的前端面和外套件10的前端面平行，手术刀头8的前端与内套件9的前端面的距离H1大于手术刀头8的前端与外套件10的前端面的距离H2。通过上述设置，外套件10的前端面相较于内套件9的前端面更靠近病人的肌肉表面，外套件10的前端面和内套件9的前端面形成阶梯差，便于储水空腔15内的冷却介质液吸入负压空腔16，避免内套件接触病人肌肉表面，刺激手术区域肌肉，保持靠近手术刀头8处手术区域的肌肉松弛。As shown in Fig. 5, the front end surface of the inner set 9 is parallel to the front end surface of the outer set 10, and the distance H1 between the front end of the surgical blade head 8 and the front end surface of the inner set 9 is greater than the distance H2 between the front end of the surgical blade head 8 and the front end surface of the outer set 10. Through the above arrangement, the front end surface of the outer set 10 is closer to the patient's muscle surface than the front end surface of the inner set 9, and the front end surface of the outer set 10 and the front end surface of the inner set 9 form a step difference, which facilitates the cooling medium liquid in the water storage cavity 15 to be sucked into the negative pressure cavity 16, avoiding the inner set from contacting the patient's muscle surface, stimulating the muscles in the surgical area, and keeping the muscles in the surgical area close to the surgical blade head 8 relaxed.
实施例二Embodiment 2
结合图6和图7所示，本实施例与实施例一不同的是，在本实施例中，外套件10负压产生部的内壁设有引导螺旋结构1004，引导螺旋结构1004的延伸方向与负压空腔16的延伸方向相同。引导螺旋结构1004可以是内螺纹、外螺纹、引导槽等可以改变液体流向的结构，使液体在该结构下发生旋转，加速液体的流动速度。在本实施例中的引导螺旋结构1004为六条引导槽，每条引导槽与负压空腔16的延伸方向呈5°夹角。采用引导槽引导冷却介质液流动，多条引导槽和引导槽与负压空腔16延伸方向的夹角，使冷却介质液在吸除过程中形成旋转的流体，能够加快冷却介质液的流动速度，提升冷却介质液的吸除速度；引导螺旋结构能够破坏吸除冷却介质液的稳定状态，避免使用后的冷却介质液内的杂质堵塞负压空腔16。As shown in FIG. 6 and FIG. 7 , the present embodiment is different from the first embodiment in that, in the present embodiment, the inner wall of the negative pressure generating portion of the outer sleeve 10 is provided with a guide spiral structure 1004, and the extension direction of the guide spiral structure 1004 is the same as the extension direction of the negative pressure cavity 16. The guide spiral structure 1004 can be a structure such as an internal thread, an external thread, a guide groove, etc. that can change the flow direction of the liquid, so that the liquid rotates under the structure, and the flow speed of the liquid is accelerated. The guide spiral structure 1004 in the present embodiment is six guide grooves, and each guide groove is at an angle of 5° with the extension direction of the negative pressure cavity 16. The guide groove is used to guide the flow of the cooling medium liquid, and the multiple guide grooves and the angle between the guide groove and the extension direction of the negative pressure cavity 16 make the cooling medium liquid form a rotating fluid during the suction process, which can accelerate the flow speed of the cooling medium liquid and improve the suction speed of the cooling medium liquid; the guide spiral structure can destroy the stable state of the cooling medium liquid suction, and avoid the impurities in the cooling medium liquid after use blocking the negative pressure cavity 16.
实施例三Embodiment 3
结合图8和图9所示，本实施例与实施例一、实施例二不同的是，在本实施例中，外套件10和内套件9均为半开放设计，内套件9在远离手术刀出水口一侧设有缺口，内套件9靠近手术刀头8一端设有内套件连接部903，外套件10与内套件9相配合，外套件10在远离手术刀出水口一侧设有缺口，外套件10靠近手术刀头8一端设有外套件连接部1005。8 and 9 , the present embodiment is different from the first and second embodiments in that, in the present embodiment, the outer kit 10 and the inner kit 9 are both semi-open designs, the inner kit 9 is provided with a notch on the side away from the scalpel water outlet, the inner kit 9 is provided with an inner kit connecting portion 903 at one end close to the scalpel head 8, the outer kit 10 cooperates with the inner kit 9, the outer kit 10 is provided with a notch on the side away from the scalpel water outlet, and the outer kit 10 is provided with an outer kit connecting portion 1005 at one end close to the scalpel head 8.
通过上述设置，主刀医师能够通过缺口直视病人肌肉表面和手术刀头8，缺口能够为主刀医师提供开阔的手术视野；并且主刀医师能够通过缺口观察储水空腔15内冷却介质液的体积量，判断冷却介质液的供给量是否不足或者过多，避免残余冷却介质液的体积量大于病人食道的消纳量，降低病人窒息的风险；能够及时调整冷却介质液供给量，避免冷却介质液过多模糊手术视野，保证手术操作连贯性缩短手术时长；外套件连接部1005配合外套件刀头配合部1003支撑在病人肌肉表面，对手术区域进行固定，避免病人肌肉受冷却介质液刺激移动。Through the above-mentioned arrangement, the surgeon can directly see the patient's muscle surface and the surgical blade 8 through the gap, and the gap can provide the surgeon with a wide surgical field of view; and the surgeon can observe the volume of the cooling medium liquid in the water storage cavity 15 through the gap, and judge whether the supply of the cooling medium liquid is insufficient or excessive, so as to avoid the volume of the residual cooling medium liquid being greater than the patient's esophageal absorption capacity, thereby reducing the risk of suffocation of the patient; the supply of the cooling medium liquid can be adjusted in time to avoid excessive cooling medium liquid blurring the surgical field of view, thereby ensuring the continuity of the surgical operation and shortening the operation time; the outer kit connection part 1005 cooperates with the outer kit blade head matching part 1003 to support the patient's muscle surface, fix the surgical area, and avoid the patient's muscles being stimulated and moved by the cooling medium liquid.
本发明实现了扩大吸引头的吸液范围，增强的吸力效果，等离子手术刀能够吸除多余冷却介质液，降低病人窒息的风险；等离子手术刀实现局部储水冷却功能，冷却介质液能够短暂停留在肌肉表面和手术刀头8附近，充分利用冷却介质液的冷却效果；主刀医师能够独立完成手术操作和处理多余的冷却介质液，减少额外手术医护人员的配置，提升手术效率，并具有以下有益效果，内套件9和手术刀头8形成储水空腔15，能够使冷却介质液短暂停留在肌肉表面和手术刀头8附近，便于等离子手术刀吸除冷却介质液以及充分利用冷却介质液的冷却效果，减少冷却介质液的体积量；负压吸引管6与刀杆组件1相切并平行，能够降低负压产生单元形成的吸力和吸力调节对等离子手术刀的影响，降低对主刀医师操作稳定性的影响；负压吸引管6为软管，使负压吸引管6能够在主刀医师移动等离子手术刀的过程发生弯曲和形变，避免牵拉主刀医师操作，降低对手术过程的影响；采用引导槽引导冷却介质液流动，多条引导槽使冷却介质液在吸除过程中形成旋转的流体，加快冷却介质液的流动速度，提高冷却介质液的吸除速度。The present invention achieves the expansion of the suction range of the suction head and the enhanced suction effect. The plasma scalpel can absorb excess cooling medium liquid and reduce the risk of suffocation of patients; the plasma scalpel realizes the local water storage cooling function, and the cooling medium liquid can temporarily stay on the muscle surface and near the surgical blade head 8, making full use of the cooling effect of the cooling medium liquid; the surgeon can independently complete the surgical operation and handle excess cooling medium liquid, reducing the configuration of additional surgical medical staff and improving surgical efficiency, and has the following beneficial effects: the inner kit 9 and the surgical blade head 8 form a water storage cavity 15, which can make the cooling medium liquid temporarily stay on the muscle surface and near the surgical blade head 8, making it convenient for the plasma scalpel to absorb the cooling medium Liquid and fully utilize the cooling effect of the cooling medium liquid to reduce the volume of the cooling medium liquid; the negative pressure suction tube 6 is tangent to and parallel to the knife rod assembly 1, which can reduce the suction force formed by the negative pressure generating unit and the suction force adjustment on the plasma scalpel, and reduce the impact on the operating stability of the surgeon; the negative pressure suction tube 6 is a hose, so that the negative pressure suction tube 6 can bend and deform during the surgeon's movement of the plasma scalpel, avoiding pulling the surgeon's operation and reducing the impact on the surgical process; a guide groove is used to guide the flow of the cooling medium liquid, and multiple guide grooves enable the cooling medium liquid to form a rotating fluid during the suction process, thereby accelerating the flow rate of the cooling medium liquid and improving the suction rate of the cooling medium liquid.
以上的实施例及/或实施方式，仅是用以说明实现本发明技术的较佳实施例及/或实施方式，并非对本发明技术的实施方式作任何形式上的限制，任何本领域技术人员，在不脱离本发明内容所公开的技术手段的范围，当可作些许的更动为其他等效的实施例，但仍应视为与本发明实质相同的技术或实施例。The above embodiments and/or implementation methods are only used to illustrate the preferred embodiments and/or implementation methods for realizing the technology of the present invention, and are not intended to limit the implementation methods of the technology of the present invention in any form. Any technical personnel in this field may make slight changes to other equivalent embodiments without departing from the scope of the technical means disclosed in the content of the present invention, but they should still be regarded as technologies or embodiments that are essentially the same as the present invention.
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202411408764.4ACN118903583B (en) | 2024-10-10 | 2024-10-10 | Auxiliary suction structure for cooling medium liquid |
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202411408764.4ACN118903583B (en) | 2024-10-10 | 2024-10-10 | Auxiliary suction structure for cooling medium liquid |
| Publication Number | Publication Date |
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| CN118903583Atrue CN118903583A (en) | 2024-11-08 |
| CN118903583B CN118903583B (en) | 2025-01-28 |
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202411408764.4AActiveCN118903583B (en) | 2024-10-10 | 2024-10-10 | Auxiliary suction structure for cooling medium liquid |
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| US6511493B1 (en)* | 2000-01-10 | 2003-01-28 | Hydrocision, Inc. | Liquid jet-powered surgical instruments |
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| US20190142408A1 (en)* | 2017-11-14 | 2019-05-16 | Endovision Co., Ltd. | Method of unilateral biportal endoscopy and surgical instrument set used in same |
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| CN118903583B (en) | 2025-01-28 |
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