WO2008019607A1 - Flexible uretero-nephroscope with rigid sheath - Google Patents

Flexible uretero-nephroscope with rigid sheath Download PDF

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Publication number
WO2008019607A1
WO2008019607A1 PCT/CN2007/070364 CN2007070364W WO2008019607A1 WO 2008019607 A1 WO2008019607 A1 WO 2008019607A1 CN 2007070364 W CN2007070364 W CN 2007070364W WO 2008019607 A1 WO2008019607 A1 WO 2008019607A1
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Prior art keywords
soft
hard sheath
nephroscope
component
channel
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PCT/CN2007/070364
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French (fr)
Chinese (zh)
Inventor
Zhiqiang Chen
Zhangqun Ye
Liang Wang
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Zhiqiang Chen
Zhangqun Ye
Liang Wang
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Publication of WO2008019607A1 publication Critical patent/WO2008019607A1/en

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    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B1/00—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor
    • A61B1/307—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor for the urinary organs, e.g. urethroscopes, cystoscopes
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B1/00—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor
    • A61B1/005—Flexible endoscopes

Definitions

  • the invention relates to a soft ureteral nephroscope with a hard sheath, which can be used for endoscopic urology treatment of ureteral calculi, renal pelvis and renal pelvis, diagnosis of renal pelvic tumor, ureteral tumor, renal pelvis and ureter hemostasis.
  • the ureter is difficult to operate, but the front end cannot be bent, so it is impossible to treat the renal pelvis, renal pelvis and pelvis and diagnose the renal pelvis and renal pelvis through the ureter.
  • the front end of the ureteroscope can be bent. After reaching the renal pelvis, the direction can be adjusted. After entering the renal pelvis of each group, various diagnosis and treatment can be performed. However, it is very difficult to push from the ureteral orifice to the renal pelvis. X-ray positioning and operation are often required, and the laser is working. It is easy to damage the lens of soft ureteroscope, which is difficult to promote in clinical work. Summary of the invention
  • the object of the present invention is to overcome the above-mentioned deficiencies of ureteral hard and soft mirrors and to provide a flexible ureteral nephroscope with a hard sheath, which has the advantages of both ureteral hard and soft mirrors, and overcomes their respective shortcomings and is not easily damaged.
  • the ureteroscope lens is convenient for clinical applications.
  • the technical solution of the present invention is as follows: A soft ureteral nephroscope with a hard sheath consisting of a hard sheath portion and a detachable soft mirror portion, the soft mirror is placed inside the hard sheath, and the hard sheath can be extended.
  • the front end of the component B is provided with an internal thread which cooperates with the thread of the circular outer part of the component A, and the rear end of the component B is provided with an external thread;
  • the component C is sleeved with a circular outer part, and the circular outer part is provided Fitted with the external thread of the rear end of component B Thread, the rear end of component C is provided with a flushing fluid infusion port.
  • a soft ureteral nephroscope with a hard sheath as described above, wherein the detachable soft mirror portion is composed of a soft lens body, a connecting bridge, and an extension channel, and the soft lens body passes through the center of the connecting bridge, and is connected.
  • the front end of the bridge is provided with an external thread that cooperates with the rear end of the component C of the hard sheath portion.
  • a soft ureteral nephroscope with a hard sheath as described above, wherein the soft lens body is provided with four channels, which are respectively used as a video channel, a fiber channel, a direction control channel and a working channel, wherein the video channel and the fiber channel
  • the front end of the directional control channel is closed, the front end of the working channel is open for the rinsing liquid and the laser fiber, and the working channel is further provided with a side hole connected with the automatic priming pump.
  • the invention has the beneficial effects that: due to the design of the hard sheath plus the soft mirror, the invention can conveniently perform the examination, diagnosis and operation treatment of the renal pelvis and renal pelvis, overcome the inability of the ureteral rigid mirror front end to bend, and push the ureter soft mirror up. It is difficult to reach the renal pelvis, often requires X-ray positioning and operation, and is easy to be damaged. It is suitable for clinical application.
  • Figure 1 is a schematic view showing the structure of a part A of the hard sheath
  • Figure 2 is a cross-sectional view of the front end of the hard sheath portion A
  • Figure 3 is a schematic view showing the structure of the hard sheath portion B
  • Figure 4 is a schematic view showing the structure of the hard sheath portion A and the component B;
  • Figure 5 is a schematic view showing the structure of the hard sheath portion C;
  • Figure 6 is a schematic view showing the structure of the hard sheath portion B and the component C;
  • Figure 7 is a schematic view of the hard sheath portion C sliding into the component B;
  • Figure 8 is a schematic cross-sectional structural view of the flexible lens portion of the detachable soft mirror;
  • Figure 9 is a schematic structural view of a connecting bridge of a detachable flexible mirror
  • Figure 10 is a schematic view showing the structure of the extension passage of the detachable flexible mirror portion.
  • Hard sheath part A 2. Round outer part 3. Hard sheath part B 4. Hard sheath part C
  • the hard sheath portion is a metal member having moderate toughness and rigidity, and can be decomposed into a tubular member A, a member B, and a member C.
  • the member B and the member C are slidable, and the soft mirror portion is fixedly coupled to the member C.
  • the structure of the component A is shown in Fig. 1. It is 61cm long, 0.39cm in outer diameter and 0.38cm in inner diameter.
  • the front end is fish-shaped, and the lower part of the front end has a beveled structure for easy access to the ureteral orifice (see Figure 2).
  • component B is shown in Figure 3. It is llcm long, the outer diameter of the front end is lcm, it is internal thread, the inner diameter is 0.75cm; the outer diameter of the rear end is 0.9cm, it is external thread, the inner diameter is 0.8cm, and the outer diameter of the rear end is 0.8cm. .
  • component A After component A is connected to component B, it is fixed during operation (see Figure 4).
  • the structure of the part C is as shown in Fig. 5, the length is 12.4 cm, the outer diameter of the front end is 0.7 cm, the inner diameter is 0.55 cm, the middle part is 8 cm long, and the diameter is 0.5 cm, which is marked with a scale of 1 cm, wherein the outer ring sleeve has a long axis.
  • the sliding parts are the limit ring 5, the plastic washer 6, and the circular outer part 7 from front to back.
  • the limit ring is 0.5cm long and 0.75cm in diameter; the plastic washer has a diameter of 0.8cm and a thickness of about 0.15cm; the round outer piece is lcm long and 1.2cm in diameter.
  • the rear end of the component C is 1.5 cm long, the outer diameter is 1 cm, the inner diameter is 0.5 cm, and the front portion of the rear end of the component C is flushed.
  • the liquid infusion port 8, the irrigation liquid infusion port is 0.6 cm high, 0.6 cm in diameter, and has a 0.2 cm external thread at the top end.
  • the middle of part C can be slid in part B to extend the soft end of the hard sheath (see Figure 7).
  • the detachable soft mirror part can be decomposed into three parts: a soft body, a bridge, and an extension channel.
  • the soft body is 73cm long, the cross-sectional structure is shown in Figure 8, and there are 4 channels in the soft body, which are used as video channel, fiber channel, directional control channel and working channel, respectively.
  • the front end of video channel, fiber channel and directional control channel Closed to avoid laser damage during work.
  • the front end of the working channel is open for the passage of the rinsing liquid and the laser fiber (or biopsy forceps), and the working channel is also provided with a side hole connected to the automatic perfusion pressure pump.
  • the connecting bridge 9 is a plastic member with a length of 4.4 cm, a front end portion of 0.9 cm long and an external thread; the middle portion is 0.3 cm long and has a diameter of 0.55 cm; the rear portion is trapezoidal, the front of the trapezoid is 0.6 cm wide, and the rear width is 1.5 cm. It is 3.1cm (see Figure 9).
  • the extension channel includes four tubular members 10 which are respectively placed in the four channels of the soft body.
  • the video channel, the fiber channel, the working channel, and the directional control channel respectively have a wire 11 connected to the inner wall of the channel in the directional control channel, and the front end of the flexible mirror is bent by pulling the wire in the control channel through the control handle (see Fig. 10). .
  • the video fiber and the cold source fiber are respectively inserted into the video channel and the fiber channel to realize the detachable connection.
  • the component C and the component B of the hard sheath portion are in a hard mirror operation state, and are completely fixed, so that the component C and the component B cannot slide, and the front end of the detachable flexible mirror is just flush with the front end of the hard sheath.
  • the ureteroscope can be completely operated to enter the renal pelvis; then, by controlling the sliding of the component C of the hard sheath portion and the sliding of the component B, the removable flexible mirror is extended to the front end of the hard sheath portion to a certain extent, and the soft mirror is controlled.
  • the directional control channel bends the front end of the flexible mirror to different degrees.
  • the components C and B of the rotating hard sheath portion enable the front end of the removable flexible mirror to enter or enter different renal pelvis or renal pelvis for diagnosis and treatment purposes.

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Abstract

A flexible uretero-nephroscope with a rigid sheath is composed of a rigid sheath portion and a detachable flexible endoscope portion. The flexible endoscope is disposed in the rigid sheath, and can extend out of the rigid sheath. The rigid sheath is composed of three tubular components A, B, C connected in turn. The component B can be slidable with respect to the component C. The flexible endoscope portion is fixedly connected with the component C.

Description

带硬鞘的软性输尿管肾镜  Soft ureteral nephroscope with hard sheath
技术领域 Technical field
本发明涉及一种带硬鞘的软性输尿管肾镜，可用于腔内泌尿外科 治疗输尿管结石、 肾盂肾盏结石， 诊断肾盂肿瘤、 输尿管肿瘤， 肾盂 输尿管止血治疗 背景技术  The invention relates to a soft ureteral nephroscope with a hard sheath, which can be used for endoscopic urology treatment of ureteral calculi, renal pelvis and renal pelvis, diagnosis of renal pelvic tumor, ureteral tumor, renal pelvis and ureter hemostasis.
输尿管硬镜操作方便， 但前端无法弯曲， 因此无法通过输尿管硬 镜经输尿管治疗肾盂、 肾盏结石及进行肾盂肾盏肿瘤的诊断。输尿管 软镜前端可弯曲， 到达肾盂后可调节方向， 进入各组肾盏后可进行各 种诊断和治疗， 但从输尿管口上推至肾盂非常困难， 常需 X射线定 位配合操作， 且工作中激光容易损伤软性输尿管肾镜的镜头， 临床工 作中难以推广应用。 发明内容  The ureter is difficult to operate, but the front end cannot be bent, so it is impossible to treat the renal pelvis, renal pelvis and pelvis and diagnose the renal pelvis and renal pelvis through the ureter. The front end of the ureteroscope can be bent. After reaching the renal pelvis, the direction can be adjusted. After entering the renal pelvis of each group, various diagnosis and treatment can be performed. However, it is very difficult to push from the ureteral orifice to the renal pelvis. X-ray positioning and operation are often required, and the laser is working. It is easy to damage the lens of soft ureteroscope, which is difficult to promote in clinical work. Summary of the invention
本发明的目的在于克服输尿管硬镜和软镜的上述不足而提供一 种带硬鞘的软性输尿管肾镜， 以兼具输尿管硬镜和软镜的优点， 并克 服其各自的缺点， 不易损伤输尿管镜镜头， 方便临床应用。  The object of the present invention is to overcome the above-mentioned deficiencies of ureteral hard and soft mirrors and to provide a flexible ureteral nephroscope with a hard sheath, which has the advantages of both ureteral hard and soft mirrors, and overcomes their respective shortcomings and is not easily damaged. The ureteroscope lens is convenient for clinical applications.
本发明的技术方案如下： 一种带硬鞘的软性输尿管肾镜， 由硬鞘 部分和可拆装软镜部分组成， 软镜置于硬鞘内， 并可伸出硬鞘。  The technical solution of the present invention is as follows: A soft ureteral nephroscope with a hard sheath consisting of a hard sheath portion and a detachable soft mirror portion, the soft mirror is placed inside the hard sheath, and the hard sheath can be extended.
如上所述的带硬鞘的软性输尿管肾镜， 其中， 所述的硬鞘部分由 三个管状部件 A、 B、 C顺次连接组成， 部件 B和部件 C之间可以滑 动， 软镜部分与部件 C固定连接。  A soft ureteral nephroscope with a hard sheath as described above, wherein the hard sheath portion is composed of three tubular members A, B, C sequentially connected, and the member B and the member C are slidable, the soft mirror portion Fixed connection to component C.
如上所述的带硬鞘的软性输尿管肾镜， 其中， 部件 A 的前端下 部呈斜面结构， 在部件 A 的中部偏后位置上设有一个圆形外挂件， 圆形外挂件上设有螺纹； 部件 B的前端设有与部件 A的圆形外挂件 螺纹相配合的内螺纹， 部件 B的后端设有外螺纹； 部件 C上套有一 个圆形外挂件， 该圆形外挂件设有与部件 B 后端外螺纹相配合的内 螺纹， 部件 C的后端设有冲洗液灌注口。 The soft ureteral nephroscope with hard sheath as described above, wherein the lower part of the front end of the component A has a bevel structure, and a circular outer part is arranged at a position opposite to the middle of the part A, and the circular outer part is provided with a thread. The front end of the component B is provided with an internal thread which cooperates with the thread of the circular outer part of the component A, and the rear end of the component B is provided with an external thread; the component C is sleeved with a circular outer part, and the circular outer part is provided Fitted with the external thread of the rear end of component B Thread, the rear end of component C is provided with a flushing fluid infusion port.
如上所述的带硬鞘的软性输尿管肾镜， 其中， 所述的可拆装软镜 部分由软镜体、 连接桥、 延长通道三部分组成， 软镜体从连接桥中心 穿过， 连接桥前端设有与硬鞘部分的部件 C后端相配合的外螺纹。  a soft ureteral nephroscope with a hard sheath as described above, wherein the detachable soft mirror portion is composed of a soft lens body, a connecting bridge, and an extension channel, and the soft lens body passes through the center of the connecting bridge, and is connected. The front end of the bridge is provided with an external thread that cooperates with the rear end of the component C of the hard sheath portion.
如上所述的带硬鞘的软性输尿管肾镜， 其中， 所述的软镜体中设 有四个通道， 分别作为视频通道、 光纤通道、 方向控制通道和工作通 道， 其中视频通道、 光纤通道、 方向控制通道前端封闭， 工作通道前 端开口供冲洗液和激光光纤通过，工作通道上还设有与自动灌注加压 泵连接的侧孔。  a soft ureteral nephroscope with a hard sheath as described above, wherein the soft lens body is provided with four channels, which are respectively used as a video channel, a fiber channel, a direction control channel and a working channel, wherein the video channel and the fiber channel The front end of the directional control channel is closed, the front end of the working channel is open for the rinsing liquid and the laser fiber, and the working channel is further provided with a side hole connected with the automatic priming pump.
如上所述的带硬鞘的软性输尿管肾镜， 其中， 延长通道包括四个 管状部件， 分别设置在软镜体的四个通道内。  A soft ureteral nephroscope with a hard sheath as described above, wherein the extension channel comprises four tubular members, respectively disposed in the four channels of the soft body.
如上所述的带硬鞘的软性输尿管肾镜， 其中， 在软镜体的方向控 制通道内设有与通道内壁连接的钢丝。  A soft ureteral nephroscope with a hard sheath as described above, wherein a wire connected to the inner wall of the passage is provided in the direction control passage of the soft body.
如上所述的带硬鞘的软性输尿管肾镜， 其中， 视频光纤、冷光源 光纤分别插入视频通道和光纤通道， 实现可拆装连接。  The soft ureteral nephroscope with hard sheath as described above, wherein the video fiber and the cold light source fiber are respectively inserted into the video channel and the fiber channel to realize the detachable connection.
如上所述的带硬鞘的软性输尿管肾镜， 其中， 硬鞘部分的部件 A 的前部分较后部分稍细。  A soft ureteral nephroscope with a hard sheath as described above, wherein the front portion of the component A of the hard sheath portion is slightly thinner than the rear portion.
本发明的有益效果在于： 由于采取了硬鞘加软镜的设计， 使得本 发明可以方便的进行肾盂肾盏内的检查诊断和操作治疗，克服了输尿 管硬镜前端无法弯曲， 输尿管软镜上推至肾盂困难、 常需 X线定位 配合操作、 易损伤等缺点， 适合临床推广应用。 附图说明  The invention has the beneficial effects that: due to the design of the hard sheath plus the soft mirror, the invention can conveniently perform the examination, diagnosis and operation treatment of the renal pelvis and renal pelvis, overcome the inability of the ureteral rigid mirror front end to bend, and push the ureter soft mirror up. It is difficult to reach the renal pelvis, often requires X-ray positioning and operation, and is easy to be damaged. It is suitable for clinical application. DRAWINGS
图 1为硬鞘部分部件 A的结构示意图；  Figure 1 is a schematic view showing the structure of a part A of the hard sheath;
图 2为硬鞘部分部件 A的前端的剖视图；  Figure 2 is a cross-sectional view of the front end of the hard sheath portion A;
图 3为硬鞘部分部件 B的结构示意图；  Figure 3 is a schematic view showing the structure of the hard sheath portion B;
图 4为硬鞘部分部件 A和部件 B连接后的结构示意图； 图 5为硬鞘部分部件 C的结构示意图；  Figure 4 is a schematic view showing the structure of the hard sheath portion A and the component B; Figure 5 is a schematic view showing the structure of the hard sheath portion C;
图 6为硬鞘部分部件 B和部件 C连接后的结构示意图； 图 7为硬鞘部分部件 C滑入部件 B内的示意图； 图 8为可拆装软镜部分软镜体的横截面结构示意图； Figure 6 is a schematic view showing the structure of the hard sheath portion B and the component C; Figure 7 is a schematic view of the hard sheath portion C sliding into the component B; Figure 8 is a schematic cross-sectional structural view of the flexible lens portion of the detachable soft mirror;
图 9为可拆装软镜部分连接桥的结构示意图；  Figure 9 is a schematic structural view of a connecting bridge of a detachable flexible mirror;
图 10为可拆装软镜部分延长通道的结构示意图。  Figure 10 is a schematic view showing the structure of the extension passage of the detachable flexible mirror portion.
图中， 1.硬鞘部件 A 2.圆形外挂件 3.硬鞘部件 B 4.硬鞘部件 C In the figure, 1. Hard sheath part A 2. Round outer part 3. Hard sheath part B 4. Hard sheath part C
5.限位圈 6.塑料垫圈 7.圆形外挂件 8.冲洗液灌注口 9.连接桥5. Limiting ring 6. Plastic washer 7. Round outer part 8. Flushing liquid filling port 9. Connecting bridge
10.延长通道的管状部件 11.钢丝 具体实施方式 10. Extend the tubular part of the channel 11. Steel wire
下面结合附图和实施例对本发明作进一歩详细的描述。  The present invention will be described in detail below with reference to the accompanying drawings and embodiments.
带硬鞘的软性输尿管肾镜， 由硬鞘部分和可拆装软镜部分组成， 软镜置于硬鞘内， 并可伸出硬鞘。  A soft ureteral nephroscope with a hard sheath consisting of a hard sheath portion and a removable soft mirror portion, the soft lens is placed inside the hard sheath and the hard sheath is extended.
硬鞘部分为韧性和刚性适中的金属构件，可分解为呈管状的部件 A、 部件 B、 部件 C三部分， 部件 B和部件 C之间可以滑动， 软镜部 分与部件 C固定连接。  The hard sheath portion is a metal member having moderate toughness and rigidity, and can be decomposed into a tubular member A, a member B, and a member C. The member B and the member C are slidable, and the soft mirror portion is fixedly coupled to the member C.
部件 A的结构如图 1所示，长 61cm，外径 0.39cm，内径 0.38cm， 前端呈鱼口形， 前端的下部分呈斜面结构， 方便进入输尿管口 （见图 2)； 距离前端 49cm处有一长 1.05cm的圆形外挂件 2， 其中 0.75cm 为固定件， 后端剩余部分为螺纹和垫圈； 后端长 4.8cm。  The structure of the component A is shown in Fig. 1. It is 61cm long, 0.39cm in outer diameter and 0.38cm in inner diameter. The front end is fish-shaped, and the lower part of the front end has a beveled structure for easy access to the ureteral orifice (see Figure 2). There is a 49cm from the front end. The 1.05 cm long circular outer part 2, of which 0.75 cm is a fixing piece, the remaining part of the rear end is a thread and a washer; the rear end is 4.8 cm long.
部件 B的结构如图 3所示， 长 llcm, 前端外径 lcm， 为内螺纹， 内径为 0.75cm; 后端外径 0.9cm， 为外螺纹， 内径 0.8cm， 后端外螺 纹区长 0.8cm。  The structure of component B is shown in Figure 3. It is llcm long, the outer diameter of the front end is lcm, it is internal thread, the inner diameter is 0.75cm; the outer diameter of the rear end is 0.9cm, it is external thread, the inner diameter is 0.8cm, and the outer diameter of the rear end is 0.8cm. .
部件 A与部件 B连接后， 工作中固定不动 （见图 4)。  After component A is connected to component B, it is fixed during operation (see Figure 4).
部件 C的结构如图 5所示， 长 12.4cm， 前端 2cm的外径 0.7cm， 内径 0.55cm; 中间部分长 8cm， 直径 0.5cm， 标有 lcm的刻度， 其中 外圈套有在长轴上可滑动的部件， 从前至后分别为限位圈 5、 塑料垫 圈 6、 圆形外挂件 7。 限位圈长 0.5cm， 直径 0.75cm; 塑料垫圈直径 0.8cm, 厚约 0.15cm; 圆形外挂件长 lcm， 直径 1.2cm。 部件 C的后 端长 1.5cm， 外径 lcm, 内径 0.5cm， 部件 C的后端的前部分有冲洗 液灌注口 8， 冲洗液灌注口高 0.6cm， 直径 0.6cm， 顶端有 0.2cm的 外螺纹。 The structure of the part C is as shown in Fig. 5, the length is 12.4 cm, the outer diameter of the front end is 0.7 cm, the inner diameter is 0.55 cm, the middle part is 8 cm long, and the diameter is 0.5 cm, which is marked with a scale of 1 cm, wherein the outer ring sleeve has a long axis. The sliding parts are the limit ring 5, the plastic washer 6, and the circular outer part 7 from front to back. The limit ring is 0.5cm long and 0.75cm in diameter; the plastic washer has a diameter of 0.8cm and a thickness of about 0.15cm; the round outer piece is lcm long and 1.2cm in diameter. The rear end of the component C is 1.5 cm long, the outer diameter is 1 cm, the inner diameter is 0.5 cm, and the front portion of the rear end of the component C is flushed. The liquid infusion port 8, the irrigation liquid infusion port is 0.6 cm high, 0.6 cm in diameter, and has a 0.2 cm external thread at the top end.
部件 C与部件 B连接后， 当作硬镜用时， 仅有部件 C的前部分 嵌于部件 B中，并通过部件 C中部的圆形外挂件与部件 B完全咬合， 无法前后运动 （见图 6)。 当需使用软镜时， 则部件 C的中部可在部 件 B中滑动， 以使软镜伸出硬鞘前端 （见图 7)。  When the component C is connected to the component B, when it is used as a hard mirror, only the front part of the component C is embedded in the component B, and the circular outer part in the middle of the component C is completely engaged with the component B, and cannot move back and forth (see FIG. 6). ). When a soft mirror is required, the middle of part C can be slid in part B to extend the soft end of the hard sheath (see Figure 7).
可拆装软镜部分可分解为软镜体、 连接桥、 延长通道三部分。 软镜体长 73cm， 横截面结构见图 8， 软镜体中设有 4个通道， 分别作为视频通道、 光纤通道、 方向控制通道和工作通道， 其中视频 通道、光纤通道、方向控制通道的前端封闭，可避免工作中激光损伤。 工作通道前端开口， 可供冲洗液及激光光纤（或活检钳）通过， 工作 通道上还设有与自动灌注加压泵连接的侧孔。  The detachable soft mirror part can be decomposed into three parts: a soft body, a bridge, and an extension channel. The soft body is 73cm long, the cross-sectional structure is shown in Figure 8, and there are 4 channels in the soft body, which are used as video channel, fiber channel, directional control channel and working channel, respectively. The front end of video channel, fiber channel and directional control channel Closed to avoid laser damage during work. The front end of the working channel is open for the passage of the rinsing liquid and the laser fiber (or biopsy forceps), and the working channel is also provided with a side hole connected to the automatic perfusion pressure pump.
连接桥 9为塑料构件， 长 4.4cm， 前端部分长 0.9cm， 设有外螺 纹； 中间部分长 0.3cm， 直径 0.55cm; 后部呈梯形， 梯形前宽 0.6cm， 后宽 1.5cm， 梯形高为 3.1cm (见图 9)。  The connecting bridge 9 is a plastic member with a length of 4.4 cm, a front end portion of 0.9 cm long and an external thread; the middle portion is 0.3 cm long and has a diameter of 0.55 cm; the rear portion is trapezoidal, the front of the trapezoid is 0.6 cm wide, and the rear width is 1.5 cm. It is 3.1cm (see Figure 9).
延长通道包括 4个管状部件 10， 分别置于软镜体的 4个通道内。 分别为视频通道、 光纤通道、 工作通道、 方向控制通道， 在方向控制 通道内设有与通道内壁连接的钢丝 11， 通过控制手柄拉动控制通道 内的钢丝可使软镜前端弯曲 （见图 10)。 视频光纤、 冷光源光纤分别 插入视频通道和光纤通道， 实现可拆装连接。  The extension channel includes four tubular members 10 which are respectively placed in the four channels of the soft body. The video channel, the fiber channel, the working channel, and the directional control channel respectively have a wire 11 connected to the inner wall of the channel in the directional control channel, and the front end of the flexible mirror is bent by pulling the wire in the control channel through the control handle (see Fig. 10). . The video fiber and the cold source fiber are respectively inserted into the video channel and the fiber channel to realize the detachable connection.
使用时， 让硬鞘部分的部件 C与部件 B处于硬镜操作状态， 并 完全固定， 使部件 C与部件 B无法滑动， 此时可拆装软镜前端正好 与硬鞘前端平齐， 在此情况下， 可以完全按硬输尿管镜操作， 进入肾 盂； 之后， 通过控制硬鞘部分的部件 C与部件 B的滑动使可拆装软 镜不同程度地伸出硬鞘部分的前端，通过控制软镜的方向控制通道使 软镜前端不同程度的弯曲， 旋转硬鞘部分的部件 C与部件 B可使可 拆装软镜前端达到或进入不同的肾盏或肾盂部位，实现诊断及治疗的 目的。  When in use, the component C and the component B of the hard sheath portion are in a hard mirror operation state, and are completely fixed, so that the component C and the component B cannot slide, and the front end of the detachable flexible mirror is just flush with the front end of the hard sheath. In this case, the ureteroscope can be completely operated to enter the renal pelvis; then, by controlling the sliding of the component C of the hard sheath portion and the sliding of the component B, the removable flexible mirror is extended to the front end of the hard sheath portion to a certain extent, and the soft mirror is controlled. The directional control channel bends the front end of the flexible mirror to different degrees. The components C and B of the rotating hard sheath portion enable the front end of the removable flexible mirror to enter or enter different renal pelvis or renal pelvis for diagnosis and treatment purposes.

Claims

权 利 要 求 Rights request
1. 一种带硬鞘的软性输尿管肾镜， 其特征在于： 由硬鞘部分和 可拆装软镜部分组成， 软镜置于硬鞘内， 并可伸出硬鞘。 A soft ureteral nephroscope with a hard sheath, characterized in that it consists of a hard sheath portion and a detachable soft mirror portion, the soft mirror is placed inside the hard sheath, and the hard sheath is extended.
2. 如权利要求 1所述的带硬鞘的软性输尿管肾镜， 其特征在于： 所述的硬鞘部分由三个管状部件 A、 B、 C顺次连接组成， 部件 B和 部件 C之间可以滑动， 软镜部分与部件 C固定连接。  2. The soft ureteral nephroscope with a hard sheath according to claim 1, wherein: said hard sheath portion is composed of three tubular members A, B, C sequentially connected, and member B and member C are It can slide between, and the soft mirror part is fixedly connected to the part C.
3. 如权利要求 2所述的带硬鞘的软性输尿管肾镜， 其特征在于： 部件 A的前端下部呈斜面结构， 在部件 A的中部偏后位置上设有一 个圆形外挂件， 圆形外挂件上设有螺纹； 部件 B的前端设有与部件 A 的圆形外挂件螺纹相配合的内螺纹， 部件 B 的后端设有外螺纹； 部 件 C上套有一个圆形外挂件， 该圆形外挂件设有与部件 B后端外螺 纹相配合的内螺纹， 部件 C的后端设有冲洗液灌注口。  3. The soft ureteral nephroscope with a hard sheath according to claim 2, wherein: the lower portion of the front end of the member A has a beveled structure, and a circular outer member is provided at a position opposite to the central portion of the member A, The outer part of the component is provided with a thread; the front end of the component B is provided with an internal thread matched with the thread of the circular outer part of the component A, the rear end of the component B is provided with an external thread; and the component C is sleeved with a circular outer part. The circular outer member is provided with an internal thread that cooperates with the external thread of the rear end of the component B, and the rear end of the component C is provided with a flushing liquid infusion port.
4. 如权利要求 1所述的带硬鞘的软性输尿管肾镜， 其特征在于： 所述的可拆装软镜部分由软镜体、 连接桥、 延长通道三部分组成， 软 镜体从连接桥中心穿过， 连接桥前端设有与硬鞘部分的部件 C 后端 相配合的外螺纹。  4. The soft ureteral nephroscope with a hard sheath according to claim 1, wherein: the detachable flexible mirror portion is composed of a soft lens body, a connecting bridge, and an extension channel, and the soft body is The center of the connecting bridge passes through, and the front end of the connecting bridge is provided with an external thread that cooperates with the rear end of the component C of the hard sheath portion.
5. 如权利要求 4所述的带硬鞘的软性输尿管肾镜， 其特征在于： 所述的软镜体中设有四个通道， 分别作为视频通道、 光纤通道、 方向 控制通道和工作通道， 其中视频通道、 光纤通道、 方向控制通道前端 封闭， 工作通道前端开口供冲洗液和激光光纤通过， 工作通道上还设 有与自动灌注加压泵连接的侧孔。  5. The soft ureteral nephroscope with a hard sheath according to claim 4, wherein: the soft lens body is provided with four channels, which are respectively used as a video channel, a fiber channel, a direction control channel, and a working channel. The video channel, the fiber channel, and the directional control channel are closed at the front end, the front end of the working channel is open for the rinsing liquid and the laser fiber, and the working channel is further provided with a side hole connected with the automatic priming pump.
6. 如权利要求 5所述的带硬鞘的软性输尿管肾镜， 其特征在于： 延长通道包括四个管状部件， 分别设置在软镜体的四个通道内。  6. The soft ureteral nephroscope with a hard sheath according to claim 5, wherein the extension channel comprises four tubular members respectively disposed in the four channels of the soft body.
7. 如权利要求 5所述的带硬鞘的软性输尿管肾镜， 其特征在于： 在软镜体的方向控制通道内设有与通道内壁连接的钢丝。  7. The soft ureteral nephroscope with a hard sheath according to claim 5, wherein: a wire connected to the inner wall of the passage is provided in the direction control passage of the soft body.
8. 如权利要求 5或 6或 7所述的带硬鞘的软性输尿管肾镜， 其 特征在于： 视频光纤、 冷光源光纤分别插入视频通道和光纤通道， 实 现可拆装连接。 8. A soft ureteral nephroscope with a hard sheath according to claim 5 or 6 or 7, The features are: video fiber and cold source fiber are respectively inserted into the video channel and the fiber channel to realize the detachable connection.
9. 如权利要求 1所述的带硬鞘的软性输尿管肾镜， 其特征在于: 硬鞘部分的部件 A的前部分较后部分稍细。  The soft ureteral nephroscope with a hard sheath according to claim 1, wherein the front portion of the member A of the hard sheath portion is slightly thinner than the rear portion.
PCT/CN2007/070364 2006-08-10 2007-07-26 Flexible uretero-nephroscope with rigid sheath WO2008019607A1 (en)

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