技术领域Technical field
本发明涉及输尿管治疗领域，具体而言，涉及一种应用于输尿管的OCT球囊导管。The present invention relates to the field of ureteral treatment, specifically to an OCT balloon catheter applied to the ureter.
背景技术Background technique
目前，临床上常通过内窥镜进入输尿管和肾盂以诊断和治疗上尿路疾病，但目前内窥镜检查仅局限于观察。另一方面，输尿管硬镜扩张是目前主流的一种方式，但是硬镜为金属材质，硬度较高，直接扩张可能会造成输尿管损伤、输尿管撕裂、穿孔等并发症，而且其不能在内镜下直视扩张，只能在X射线定位下进行扩张，容易导致扩张位置不准确、手术效果并不理想。Currently, endoscopy is often used to enter the ureter and renal pelvis to diagnose and treat upper urinary tract diseases, but endoscopy is currently limited to observation. On the other hand, rigid ureteroscope dilation is currently a mainstream method, but the rigid scope is made of metal and has high hardness. Direct expansion may cause complications such as ureteral injury, ureteral tear, and perforation, and it cannot be used endoscopically. Direct-view expansion can only be performed under X-ray positioning, which can easily lead to inaccurate expansion positions and unsatisfactory surgical results.
有鉴于此，特提出本发明。In view of this, the present invention is proposed.
发明内容Contents of the invention
本发明的目的在于提供一种应用于输尿管的OCT球囊导管，采用了OCT技术的导管可形成输尿管内光学干涉断层图像，采集图像清晰，可完整清楚的观察输尿管内部的情况。导管上设置有用于扩张的球囊，OCT采集成像后，通过将球囊送到狭窄部位，可实现对指定位置的精准扩张。The purpose of the present invention is to provide an OCT balloon catheter applied to the ureter. The catheter using OCT technology can form an optical interference tomographic image in the ureter, and the collected image is clear, and the internal situation of the ureter can be completely and clearly observed. The catheter is equipped with a balloon for dilation. After OCT acquisition and imaging, the balloon can be sent to the stenosis site to achieve precise dilation of the designated location.
为实现本发明的上述目的，特采用以下技术方案：In order to achieve the above objects of the present invention, the following technical solutions are adopted:
本发明提供了一种应用于输尿管的OCT球囊导管，包括有插入输尿管的导管本体，所述导管本体的首端设置有导丝，所述导管本体的内腔设置有OCT成像组件，所述导管本体的外层设置有可膨胀的球囊。The present invention provides an OCT balloon catheter applied to the ureter, which includes a catheter body inserted into the ureter, a guide wire is provided at the head end of the catheter body, and an OCT imaging component is provided in the inner cavity of the catheter body. The outer layer of the catheter body is provided with an inflatable balloon.
首端设置有导丝引导导管进入输尿管中，导管本体内腔设置OCT成像组件，可以探查输尿管内部的微观结构，由于其与病理组织学图像具有良好的对应性，成像速度快，在评价和诊断输尿管内部情况、提供个体化治疗具有重要应用价值。A guidewire is installed at the head end to guide the catheter into the ureter, and an OCT imaging component is installed in the inner cavity of the catheter body, which can explore the microstructure inside the ureter. Because it has good correspondence with pathological and histological images, the imaging speed is fast, and it is used in evaluation and diagnosis. The internal conditions of the ureter and providing personalized treatment have important application value.
优选地，所述导丝为中空结构，包括有连接段，所述导管本体通过导丝通道与所述导丝的连接段相连，所述导丝通道的另一端连接有进注管，所述进注管穿过所述导管本体的内腔与注射装置连接。Preferably, the guide wire is a hollow structure and includes a connecting section. The catheter body is connected to the connecting section of the guide wire through a guide wire channel. The other end of the guide wire channel is connected to an infusion tube. The inlet tube passes through the inner cavity of the catheter body and is connected to the injection device.
导丝的中空结构使得在使用导管进行检查时，可控制注射装置通过导丝向输尿管中直接输入造影剂，与现有技术中检测与输入造影剂需要分步骤进行相比，本发明的操作更加简便快捷，灵活度高。另一方面，导丝是通过嵌入导丝通道与导管本体相连，而不是与进注管组成一体结构，因此在使用时可根据实际情况选择合适的导丝用于检测，进一步提高产品在实际应用中的灵活度。The hollow structure of the guidewire allows the injection device to be controlled to directly input contrast agent into the ureter through the guidewire when using the catheter for inspection. Compared with the prior art, which requires step-by-step detection and input of contrast agent, the operation of the present invention is more efficient. Simple, fast and highly flexible. On the other hand, the guide wire is connected to the catheter body through the embedded guide wire channel, rather than forming an integrated structure with the inlet tube. Therefore, the appropriate guide wire can be selected for detection according to the actual situation during use, further improving the product's practical application. flexibility in.
优选地，所述导丝还包括有椭圆形的扩张段，所述扩张段横截面的宽度小于所述导管本体横截面的宽度。Preferably, the guide wire further includes an elliptical expansion section, and the width of the cross-section of the expansion section is smaller than the width of the cross-section of the catheter body.
为了提高对输尿管的适应性，本发明方案针对输尿管本身结构的独特性对导丝结构进行了特定设计，其尺寸、扩张效果以及引导效果并不适用于冠脉血管、食道、呼吸道、视网膜等其他场景中。In order to improve the adaptability to the ureter, the guidewire structure of the present invention is specifically designed based on the unique structure of the ureter itself. Its size, expansion effect, and guidance effect are not suitable for coronary blood vessels, esophagus, respiratory tract, retina, etc. in the scene.
为了使导管本体顺利通过且避免造成误伤，在导丝上设计有扩张段，在导丝先进入输尿管时进行程度较小的预扩张，保证后续导管本体在通过时有足够空间，使导管本体顺利置入，减轻患者痛苦。扩张段设计为椭圆形可使得扩张宽度逐渐增大，过渡平滑，利于手术的顺利进行。In order to allow the catheter body to pass smoothly and avoid accidental injury, an expansion section is designed on the guide wire. When the guide wire first enters the ureter, a small degree of pre-expansion is performed to ensure that there is enough space for the subsequent catheter body to pass through, so that the catheter body can pass smoothly. Inserted to relieve patient pain. The elliptical design of the expansion section can gradually increase the expansion width and make the transition smooth, which is conducive to the smooth progress of the operation.
优选地，所述连接段与扩张段之间设计有第一柔性段，所述扩张段至端头部分设计为第二柔性段，所述第二柔性段为圆头状的泥鳅导丝，所述连接段与扩张段为硬质材质设计。Preferably, a first flexible section is designed between the connecting section and the expansion section, and the section from the expansion section to the end is designed as a second flexible section, and the second flexible section is a round-headed loach guide wire, so The connecting section and expansion section are designed with hard materials.
由于输尿管具有生理性狭窄，内部环境多有瘢痕，加之某些患者由于结石嵌顿会使得狭窄加重，在置入导丝时容易造成管壁损伤甚至是穿孔的伤害。现有技术中的导丝通常设计成前端为软头，后端为硬头的结构，硬质的导丝直进性越强，推送导丝时不容易发生偏移，但难以改变方向，误插硬头容易导致输尿管损伤。Because the ureter has physiological stenosis and the internal environment is often scarred, and in some patients the stenosis is aggravated due to stone incarceration, it is easy to cause wall damage or even perforation when inserting a guidewire. The guide wire in the prior art is usually designed with a soft head at the front end and a hard head at the rear end. The harder the guide wire, the stronger the straightness is, and it is less likely to deflect when pushing the guide wire, but it is difficult to change the direction and may cause misalignment. Inserting a hard tip can easily cause ureteral damage.
本发明综合运用了柔性材质和硬质材质，连接段设置为硬质材质能够容易控制导丝的前进方向，并保证导丝与导管本体的稳定连接；扩张段也设计成硬质材质，能保证有效扩张狭窄部位；第一柔性段位于连接段和扩张段之间，使得导丝在前进时容易调整导丝方向，提高灵活性，避免直进性太强导致损伤输尿管；第二柔性段位于导丝的最前端，柔性设计和泥鳅导丝的特性使得其能很好地通过狭窄部位，提供良好的引导性。The invention comprehensively uses flexible materials and hard materials. The connecting section is made of hard material, which can easily control the forward direction of the guide wire and ensure the stable connection between the guide wire and the catheter body; the expansion section is also designed with hard material, which can ensure Effectively expands the stenotic area; the first flexible section is located between the connecting section and the expansion section, making it easy to adjust the direction of the guidewire when advancing, improving flexibility and avoiding damage to the ureter due to too much straightness; the second flexible section is located between the guidewire and the expansion section. The front end of the wire, the flexible design and the characteristics of the loach guide wire enable it to pass through narrow parts well and provide good guidance.
优选地，所述OCT成像组件包括有OCT光纤，所述OCT光纤的出光面为斜面，且其外层包覆有弹簧管，所述弹簧管在出光面的相对位置开设有透明窗口。Preferably, the OCT imaging component includes an OCT optical fiber. The light-emitting surface of the OCT optical fiber is a bevel, and its outer layer is covered with a spring tube. The spring tube has a transparent window at a position opposite to the light-emitting surface.
优选地，所述弹簧管远离所述导丝的一端还依次连接有PIU和OCT引擎和OCT主机，所述OCT主机上搭载有分析模块，所述分析模块可对输尿管的狭窄长度、瘢痕厚度进行分析。Preferably, the end of the spring tube away from the guide wire is also connected to the PIU, the OCT engine and the OCT host in sequence. The OCT host is equipped with an analysis module, which can analyze the stenosis length and scar thickness of the ureter.
OCT引擎发出的探测光经过PIU传递至OCT光纤，探测光经过斜面后发生内反射，从弹簧管开设的窗口中射出。而后OCT光纤被PIU带动，在导管本体内高速旋转的同时慢速回拉，以对目标区域进行完整的扫描，最后在OCT主机上形成光学干涉断层图像，配合搭载的分析模块可分析和评估瘢痕厚度以及长度。其中，光纤与弹簧管之间采用光学胶进行缝隙填充，导管本体由透光性良好的材料制备。The detection light emitted by the OCT engine is transmitted to the OCT optical fiber through the PIU. The detection light is internally reflected after passing through the bevel, and is emitted from the window opened in the spring tube. The OCT optical fiber is then driven by the PIU and rotates at high speed within the catheter body while pulling back slowly to completely scan the target area. Finally, an optical interference tomographic image is formed on the OCT host, which can be used with the onboard analysis module to analyze and evaluate scars. Thickness and length. Among them, optical glue is used to fill the gap between the optical fiber and the spring tube, and the catheter body is made of a material with good light transmittance.
优选地，所述球囊包括有用于膨胀的囊体，所述囊体卷折设置在所述导管本体上，其膨胀后主体形状为圆柱形。Preferably, the balloon includes a balloon body for expansion, the balloon body is rolled and arranged on the catheter body, and its main body shape is cylindrical after inflation.
优选地，所述囊体内部连接有压力水泵，所述压力水泵上设置有调节阀以及调节旋钮，以实现所述球囊的扩张压力调整。Preferably, a pressure water pump is connected to the interior of the balloon, and a regulating valve and an regulating knob are provided on the pressure water pump to adjust the expansion pressure of the balloon.
球囊在未使用前可卷折设置在导管本体的外层上，保证导管在输尿管中的顺利穿过；在球囊到达指定扩张位置后，可根据压力水泵上的调节阀和调节旋钮控制球囊的扩张压力，实现输尿管的扩张。膨胀后的圆柱形囊体能有效保证狭窄部位能够撑胀到位。The balloon can be rolled up and placed on the outer layer of the catheter body before use to ensure the smooth passage of the catheter through the ureter; after the balloon reaches the designated expansion position, the balloon can be controlled according to the regulating valve and adjusting knob on the pressure water pump. The expansion pressure of the sac achieves the dilation of the ureter. The expanded cylindrical balloon can effectively ensure that the narrow area can be inflated in place.
优选地，所述导管本体的外表面涂覆有亲水涂层。亲水涂层设计使得导管本体更加顺滑，从而减轻患者的不良感受，提高手术的安全性。Preferably, the outer surface of the catheter body is coated with a hydrophilic coating. The hydrophilic coating design makes the catheter body smoother, thereby reducing the patient's discomfort and improving the safety of the surgery.
与现有技术相比，本发明的有益效果在于：Compared with the prior art, the beneficial effects of the present invention are:
(1)将OCT导管应用于输尿管的检测，导管使用可直接输入造影剂的中空导丝，通过光学成像和造影剂的相互配合，得以更好的成像，与现有技术相比能够更完整清楚的观察输尿管内部的情况，对于个性化的治疗起到积极作用。(1) Apply OCT catheter to the detection of ureter. The catheter uses a hollow guidewire that can directly input contrast agent. Through the cooperation of optical imaging and contrast agent, better imaging can be achieved, which can be more complete and clear compared with the existing technology. Observing the internal conditions of the ureter plays a positive role in personalized treatment.
(2)本发明的导管上还设置有球囊，结合成像效果可将球囊送入需要扩张的指定部位，实现精准扩张。与现有技术只能在X射线定位下进行扩张相比，本发明的操作更加简便快捷，灵活度高，扩张位置准确。(2) The catheter of the present invention is also equipped with a balloon. Combined with the imaging effect, the balloon can be sent to the designated part that needs to be expanded to achieve precise expansion. Compared with the existing technology which can only perform expansion under X-ray positioning, the operation of the present invention is simpler and faster, has high flexibility and accurate expansion position.
附图说明Description of drawings
通过阅读下文优选实施方式的详细描述，各种其他的优点和益处对于本领域普通技术人员将变得清楚明了。附图仅用于示出优选实施方式的目的，而并不认为是对本发明的限制。而且在整个附图中，用相同的参考符号表示相同的部件。在附图中：Various other advantages and benefits will become apparent to those of ordinary skill in the art upon reading the following detailed description of the preferred embodiments. The drawings are for the purpose of illustrating preferred embodiments only and are not to be construed as limiting the invention. Also throughout the drawings, the same reference characters are used to designate the same components. In the attached picture:
图1为本发明实施例所提供的OCT球囊导管的导管本体结构示意图；Figure 1 is a schematic structural diagram of the catheter body of an OCT balloon catheter provided by an embodiment of the present invention;
图2为本发明实施例所提供的OCT球囊导管的导管本体内部结构示意图；Figure 2 is a schematic diagram of the internal structure of the catheter body of the OCT balloon catheter provided by an embodiment of the present invention;
图3为本发明实施例所提供的OCT球囊导管的导丝结构示意图。Figure 3 is a schematic diagram of the guide wire structure of the OCT balloon catheter provided by an embodiment of the present invention.
其中，1-导管本体，2-导丝，3-球囊，4-导丝通道，5-进注管，6-OCT光纤，7-弹簧管，8-出光面，9-透明窗口，10-压力水泵，11-调节旋钮，12-连接段，13-第一柔性段，14-扩张段，15-第二柔性段。Among them, 1-catheter body, 2-guide wire, 3-balloon, 4-guide wire channel, 5-inlet tube, 6-OCT optical fiber, 7-spring tube, 8-light exit surface, 9-transparent window, 10 - Pressure water pump, 11-adjusting knob, 12-connecting section, 13-first flexible section, 14-expansion section, 15-second flexible section.
具体实施方式Detailed ways
下面将结合实施例对本发明的实施方案进行详细描述，但是本领域技术人员将会理解，下列实施例仅用于说明本发明，而不应视为限制本发明的范围。实施例中未注明具体条件者，按照常规条件或制造商建议的条件进行。所用试剂或仪器未注明生产厂商者，均为可以通过市售购买获得的常规产品。The embodiments of the present invention will be described in detail below with reference to examples, but those skilled in the art will understand that the following examples are only used to illustrate the present invention and should not be regarded as limiting the scope of the present invention. If the specific conditions are not specified in the examples, the conditions should be carried out according to the conventional conditions or the conditions recommended by the manufacturer. If the manufacturer of the reagents or instruments used is not indicated, they are all conventional products that can be purchased commercially.
实施例Example
如图1所示，本实施例提供了一种应用于输尿管的OCT球囊导管，该导管包括有插入输尿管中的导管本体1，导管本体1的首端设置有导丝2引导导管进入输尿管中。As shown in Figure 1, this embodiment provides an OCT balloon catheter applied to the ureter. The catheter includes a catheter body 1 inserted into the ureter. A guidewire 2 is provided at the head end of the catheter body 1 to guide the catheter into the ureter. .
如图2所示，另一方面，导丝2的内部为中空结构，且其连接段12通过导丝通道4与导管本体1连接，导丝通道4的另一端连接有进注管5，而进注管5同轴设置在导管本体1的内腔，其另一端与设置在体外段的注射装置连接。这样设置的作用在于，在体外控制注射装置可实现通过导丝2向输尿管中直接注入造影剂，与现有技术中检测与输入造影剂需要分步骤进行相比操作更加便捷，灵活度高。此外，导丝2通过嵌入的方式与导管本体1连接，因此在实际的手术场景中，可灵活替换导丝2用于检测，进一步提高产品在使用时的灵活度。As shown in Figure 2, on the other hand, the inside of the guide wire 2 is a hollow structure, and its connecting section 12 is connected to the catheter body 1 through the guide wire channel 4. The other end of the guide wire channel 4 is connected to the inlet tube 5, and The inlet tube 5 is coaxially arranged in the inner cavity of the catheter body 1, and its other end is connected to the injection device arranged in the extracorporeal section. The function of this arrangement is that controlling the injection device outside the body can realize direct injection of contrast agent into the ureter through the guide wire 2. Compared with the prior art, which requires step-by-step detection and input of contrast agent, the operation is more convenient and highly flexible. In addition, the guide wire 2 is connected to the catheter body 1 in an embedded manner, so in actual surgical scenarios, the guide wire 2 can be flexibly replaced for detection, further improving the flexibility of the product in use.
另一方面，如图3所示，导丝2还依次设计有第一柔性段13，扩张段14和第二柔性段15，其中第二柔性段15采用圆头状的泥鳅导丝。由于输尿管具有生理性狭窄，内部环境多有瘢痕，加之某些患者由于结石嵌顿会使得狭窄加重，因此需要在置入导丝时避免造成伤害。本发明的扩张段14为椭圆形，其横截面宽度小于导管本体1的横截面宽度，能够实现预扩张的作用，其扩张宽度逐渐增大，过渡平滑，能够保证后续导管本体1在通过时有足够空间，使导管本体1顺利置入，减轻患者痛苦，利于手术的顺利进行。第一柔性段13位于连接段12和扩张段14之间，使得导丝2在前进时容易调整方向，提高灵活性，避免直进性太强导致损伤输尿管；第二柔性段15位于导丝2的最前端，柔性设计和泥鳅导丝的特性使得其能很好地通过狭窄部位，提供良好的引导性。连接段12和扩张段14均采用硬质材料设计，前者的设计能够容易控制导丝的前进方向，并保证导丝2与导管本体1的稳定连接，后者的设计能够保证有效扩张狭窄部位。On the other hand, as shown in FIG. 3 , the guide wire 2 is also designed with a first flexible section 13 , an expansion section 14 and a second flexible section 15 , in which the second flexible section 15 is a round-headed loach guide wire. Since the ureter has physiological stenosis and the internal environment is often scarred, and in some patients the stenosis may be aggravated by stone incarceration, it is necessary to avoid injury when inserting the guidewire. The expansion section 14 of the present invention is oval, and its cross-sectional width is smaller than the cross-sectional width of the catheter body 1, which can achieve the role of pre-expansion. Its expansion width gradually increases and the transition is smooth, which can ensure that the subsequent catheter body 1 has a smooth transition when passing through. There is enough space to allow the catheter body 1 to be inserted smoothly, thereby reducing the patient's pain and facilitating the smooth progress of the operation. The first flexible section 13 is located between the connecting section 12 and the expansion section 14, making it easy to adjust the direction of the guidewire 2 when advancing, improving flexibility and avoiding damage to the ureter due to excessive straightness; the second flexible section 15 is located between the guidewire 2 The front end, flexible design and characteristics of the loach guide wire enable it to pass through narrow parts well and provide good guidance. Both the connecting section 12 and the expansion section 14 are designed with hard materials. The former's design can easily control the advancing direction of the guide wire and ensure a stable connection between the guide wire 2 and the catheter body 1. The latter's design can ensure effective dilation of the stenotic area.
导管本体1的内腔中设置有OCT成像组件，目的是通过OCT技术形成输尿管内光学干涉断层图像，从而完整清楚地观察输尿管的内部情况，与现有技术中常用的内窥镜检查相比，OCT导管的成像更清晰，由于导管细小且材质柔软，安全性也更高，并且根据采集成像可实现在观察下进行输尿管扩张，扩张位置准确，手术效果当然也更好。An OCT imaging component is provided in the inner cavity of the catheter body 1, with the purpose of forming an optical interference tomographic image in the ureter through OCT technology, so as to completely and clearly observe the internal conditions of the ureter. Compared with the endoscopy commonly used in the prior art, The imaging of the OCT catheter is clearer. Because the catheter is small and soft, it is safer. Moreover, the ureter can be dilated under observation based on the collected images. The dilation position is accurate, and the surgical effect is of course better.
其中，OCT成像组件沿导丝2方向依次包括有OCT引擎、PIU、OCT光纤6，OCT引擎连接有OCT主机，以实现图像形成和图像分析。其中，OCT光纤6的出光面8为斜面，外层包覆有弹簧管7，弹簧光在出光面8的相对位置开设有透明窗口9，以保证探测光的顺利射出至输尿管中。OCT成像组件的成像原理为：OCT引擎发出探测光，经过PIU传递至OCT光纤6，探测光沿OCT光纤6传递至斜面后发生内反射，使得探测光从透明窗口9中射出，而后PIU带动OCT光纤6在导管本体1的内腔中高速旋转的同时慢速回拉，以对目标区域进行完整的扫描，最后将信号传递至OCT主机上，形成光学干涉断层图像，而OCT主机配合搭载的分析模块可分析和评估瘢痕厚度以及长度，以实现对输尿管状况的更准确评估。Among them, the OCT imaging component includes an OCT engine, a PIU, and an OCT optical fiber 6 in sequence along the direction of the guide wire 2. The OCT engine is connected to an OCT host to realize image formation and image analysis. Among them, the light-emitting surface 8 of the OCT optical fiber 6 is a bevel, and the outer layer is covered with a spring tube 7. The spring light has a transparent window 9 at a relative position of the light-emitting surface 8 to ensure that the detection light is emitted smoothly into the ureter. The imaging principle of the OCT imaging component is: the OCT engine emits detection light, which is transmitted to the OCT optical fiber 6 through the PIU. The detection light is transmitted along the OCT optical fiber 6 to the bevel and undergoes internal reflection, so that the detection light is emitted from the transparent window 9, and then the PIU drives the OCT. The optical fiber 6 rotates at high speed in the inner cavity of the catheter body 1 while pulling back slowly to completely scan the target area, and finally transmits the signal to the OCT host to form an optical interference tomography image, and the OCT host cooperates with the analysis carried out The module analyzes and evaluates scar thickness as well as length to enable a more accurate assessment of ureteral condition.
为了实现对输尿管的扩张作用，在导管本体1的外层还设置有实现扩张的球囊3。球囊3包括有可膨胀的囊体，囊体在膨胀前卷折设置在导管本体1上，方便未扩张时导管本体1在输尿管中顺利穿过；膨胀后的主体形状为圆柱形，以保证对于各狭窄部位都能撑胀到位。其中，囊体内部连接有压力水泵10以实现膨胀，压力水泵10设置在体外段，其上安装有调节阀和调节旋钮11，以实现扩张压力的调整。In order to achieve the dilation effect on the ureter, a balloon 3 for dilation is also provided on the outer layer of the catheter body 1 . The balloon 3 includes an inflatable balloon, which is folded and arranged on the catheter body 1 before expansion, so that the catheter body 1 can pass smoothly through the ureter when not expanded; the main body shape after expansion is cylindrical to ensure that It can fully support all narrow parts. Among them, a pressure water pump 10 is connected inside the bladder to achieve expansion. The pressure water pump 10 is arranged in the extracorporeal section, and a regulating valve and an regulating knob 11 are installed on it to achieve adjustment of the expansion pressure.
与现有技术相比，本发明的导管可实现输入造影、成像检测和扩张功能为一体，通过光学成像和造影剂的相互配合，得以更好的成像，结合成像效果可将球囊3送入需要扩张的指定部位，实现精准扩张。Compared with the existing technology, the catheter of the present invention can realize the functions of input contrast, imaging detection and expansion into one. Through the cooperation of optical imaging and contrast agent, better imaging can be achieved. Combining the imaging effect, the balloon 3 can be sent into Achieve precise expansion of designated parts that need expansion.
此外，导管本体1的外表面均涂覆有亲水涂层，提高导管本体1在输尿管内的顺滑度，从而减轻患者的不良感受，提高手术的安全性。In addition, the outer surface of the catheter body 1 is coated with a hydrophilic coating to improve the smoothness of the catheter body 1 in the ureter, thereby reducing the patient's bad feelings and improving the safety of the operation.
最后，可以理解的是，以上实施方式仅仅是为了说明本发明的原理而采用的示例性实施方式，然而本发明并不局限于此。对于本领域普通技术人员而言，在不脱离本发明的原理和实质的情况下，可以做出各种变型和改进，这些变型和改进也视为本发明的保护范围。Finally, it is understood that the above embodiments are merely exemplary embodiments used to illustrate the principles of the present invention, but the present invention is not limited thereto. For those of ordinary skill in the art, various modifications and improvements can be made without departing from the principles and essence of the present invention, and these modifications and improvements are also considered to be within the scope of protection of the present invention.
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311206775.XACN117731921B (en) | 2023-09-19 | 2023-09-19 | OCT balloon catheter applied to ureter |
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311206775.XACN117731921B (en) | 2023-09-19 | 2023-09-19 | OCT balloon catheter applied to ureter |
| Publication Number | Publication Date |
|---|---|
| CN117731921Atrue CN117731921A (en) | 2024-03-22 |
| CN117731921B CN117731921B (en) | 2024-07-02 |
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202311206775.XAActiveCN117731921B (en) | 2023-09-19 | 2023-09-19 | OCT balloon catheter applied to ureter |
| Country | Link |
|---|---|
| CN (1) | CN117731921B (en) |
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| US5505699A (en)* | 1994-03-24 | 1996-04-09 | Schneider (Usa) Inc. | Angioplasty device |
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| CN202497592U (en)* | 2011-05-04 | 2012-10-24 | 刘韶辉 | Portable video urethral dilator |
| US20160242737A1 (en)* | 2013-10-07 | 2016-08-25 | The Regents Of The University Of California | Integrated Ultrasound, OCT, PA and/or Florescence Imaging Endoscope for Diagnosing Cancers in Gastrointestinal, Respiratory, and Urogenital Tracts |
| CN105960259A (en)* | 2014-02-03 | 2016-09-21 | 美帝诺有限公司 | Catheter tip assembled with a spring |
| CN107050629A (en)* | 2017-01-23 | 2017-08-18 | 山东省立医院 | A kind of urethral dilatation drainage system and application method |
| CN111790048A (en)* | 2020-08-14 | 2020-10-20 | 中国人民解放军总医院第五医学中心 | A urethral dilation catheter and medical device comprising the urethral dilation catheter |
| CN113197555A (en)* | 2021-06-04 | 2021-08-03 | 哈尔滨医科大学 | Multi-direction OCT image acquisition catheter |
| CN213911639U (en)* | 2020-10-16 | 2021-08-10 | 湛江市事达实业有限公司 | Urethral catheter for patient with urethral stricture |
| WO2022212416A1 (en)* | 2021-03-31 | 2022-10-06 | The Board Of Trustees Of The Leland Stanford Junior University | Methods and systems for treatment of occlusions in anatomical cavities using acoustic wave energy |
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| US5324263A (en)* | 1989-11-02 | 1994-06-28 | Danforth Biomedical, Inc. | Low profile high performance interventional catheters |
| US5423755A (en)* | 1992-08-26 | 1995-06-13 | Advanced Cardiovascular Systems, Inc. | Catheter for prostatic urethral dilatation |
| US5505699A (en)* | 1994-03-24 | 1996-04-09 | Schneider (Usa) Inc. | Angioplasty device |
| US20020065507A1 (en)* | 1996-05-20 | 2002-05-30 | Gholam-Reza Zadno-Azizi | Exchange method for emboli containment |
| CN202497592U (en)* | 2011-05-04 | 2012-10-24 | 刘韶辉 | Portable video urethral dilator |
| US20160242737A1 (en)* | 2013-10-07 | 2016-08-25 | The Regents Of The University Of California | Integrated Ultrasound, OCT, PA and/or Florescence Imaging Endoscope for Diagnosing Cancers in Gastrointestinal, Respiratory, and Urogenital Tracts |
| CN105960259A (en)* | 2014-02-03 | 2016-09-21 | 美帝诺有限公司 | Catheter tip assembled with a spring |
| CN107050629A (en)* | 2017-01-23 | 2017-08-18 | 山东省立医院 | A kind of urethral dilatation drainage system and application method |
| CN111790048A (en)* | 2020-08-14 | 2020-10-20 | 中国人民解放军总医院第五医学中心 | A urethral dilation catheter and medical device comprising the urethral dilation catheter |
| CN213911639U (en)* | 2020-10-16 | 2021-08-10 | 湛江市事达实业有限公司 | Urethral catheter for patient with urethral stricture |
| WO2022212416A1 (en)* | 2021-03-31 | 2022-10-06 | The Board Of Trustees Of The Leland Stanford Junior University | Methods and systems for treatment of occlusions in anatomical cavities using acoustic wave energy |
| CN113197555A (en)* | 2021-06-04 | 2021-08-03 | 哈尔滨医科大学 | Multi-direction OCT image acquisition catheter |
| CN217938890U (en)* | 2022-06-27 | 2022-12-02 | 袁晓亮 | Urethra dilator |
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