WO2008019607A1 - Urétéronéphroscope souple à manchon rigide - Google Patents

Urétéronéphroscope souple à manchon rigide 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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WO
WIPO (PCT)
Prior art keywords
soft
hard sheath
nephroscope
component
channel
Prior art date
Application number
PCT/CN2007/070364
Other languages
English (en)
Chinese (zh)
Inventor
Zhiqiang Chen
Zhangqun Ye
Liang Wang
Original Assignee
Zhiqiang Chen
Zhangqun Ye
Liang Wang
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Zhiqiang Chen, Zhangqun Ye, Liang Wang filed Critical Zhiqiang Chen
Publication of WO2008019607A1 publication Critical patent/WO2008019607A1/fr

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Classifications

    • 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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  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Surgery (AREA)
  • Engineering & Computer Science (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Optics & Photonics (AREA)
  • Pathology (AREA)
  • Radiology & Medical Imaging (AREA)
  • Physics & Mathematics (AREA)
  • Veterinary Medicine (AREA)
  • Biomedical Technology (AREA)
  • Biophysics (AREA)
  • Medical Informatics (AREA)
  • Molecular Biology (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Urology & Nephrology (AREA)
  • Laser Surgery Devices (AREA)
  • Endoscopes (AREA)

Abstract

L'invention concerne un urétéronéphroscope souple à manchon rigide composé d'une partie de manchon rigide et d'une partie d'endoscope souple détachable. L'endoscope souple est disposé dans le manchon rigide, et peut s'étendre à partir de ce manchon rigide. Le manchon rigide est composé de trois éléments tubulaires A, B, C reliés entre eux tour à tour. Le composant B peut coulisser par rapport au composant C. La partie d'endoscope est reliée fixe au composant C.
PCT/CN2007/070364 2006-08-10 2007-07-26 Urétéronéphroscope souple à manchon rigide WO2008019607A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CNA2006100199595A CN101019756A (zh) 2006-08-10 2006-08-10 带硬鞘的软性输尿管肾镜
CN200610019959.5 2006-08-10

Publications (1)

Publication Number Publication Date
WO2008019607A1 true WO2008019607A1 (fr) 2008-02-21

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Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN2007/070364 WO2008019607A1 (fr) 2006-08-10 2007-07-26 Urétéronéphroscope souple à manchon rigide

Country Status (2)

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CN (1) CN101019756A (fr)
WO (1) WO2008019607A1 (fr)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2015007233A1 (fr) * 2013-07-19 2015-01-22 Sun Yinghao Urétérorénoscope ayant une extrémité de tête pliable
CN104473687A (zh) * 2014-12-03 2015-04-01 中国人民解放军第二军医大学 具有预弯管结构的末端可弯曲手术器械
CN104490467A (zh) * 2014-12-03 2015-04-08 中国人民解放军第二军医大学 经尿道途径非肌层浸润性膀胱肿瘤腔内手术器械系统
CN105534573A (zh) * 2015-12-15 2016-05-04 宁波华科润生物科技有限公司 一种新型的医用可调弯组织去除器械

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2010028606A1 (fr) * 2008-09-12 2010-03-18 Xia Shujie Endoscope urétéral réglable en souplesse et en rigidité
CN101732027B (zh) * 2009-12-02 2015-01-07 武汉佑康科技有限公司 可弯曲转向内窥镜
WO2011066760A1 (fr) * 2009-12-02 2011-06-09 武汉佑康科技有限公司 Endoscope flexible et rigide combiné
CN102068232B (zh) * 2011-01-28 2013-04-10 周均洪 一种组合式硬性输尿管镜
JP6830356B2 (ja) * 2014-04-01 2021-02-17 フェルティゴ メディカル リミテッド 子宮を連続的に検知するための監視システム
CN106308735B (zh) * 2016-09-30 2017-09-19 广州瑞派医疗器械有限责任公司 电子膀胱镜
CN107095636A (zh) * 2017-06-02 2017-08-29 顾晓晖 一种骨科的可变向软硬一体内窥镜及单入路操控方法
CN107374570A (zh) * 2017-09-04 2017-11-24 广州瑞派医疗器械有限责任公司 电子软性输尿管肾盂镜
CN108618827A (zh) * 2017-11-13 2018-10-09 江门市鸿想医疗器械科技有限公司 一种具有可控弯曲功能的输尿管鞘
CN108542340B (zh) * 2018-04-24 2024-03-12 海纳阳光（北京）医药控股有限公司 一种嵌套式输尿管软镜
CN109833024B (zh) * 2019-03-13 2021-08-20 上海欧太医疗器械有限公司 自锁式外鞘管及相应的柔性内窥镜
CN218651745U (zh) * 2019-04-29 2023-03-21 珠海市司迈科技有限公司 一种软镜及采用该软镜的输尿管肾盂镜系统
WO2022227364A1 (fr) * 2021-04-26 2022-11-03 海泽临床成果转化医学研究院(无锡)有限公司 Endoscope chirurgical ayant des fonctions d'endoscopie rigide et flexible

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3834156A1 (de) * 1988-10-07 1990-04-12 Winter & Ibe Olympus Medizinisches endoskop
CN2409907Y (zh) * 2000-01-25 2000-12-13 俞南 尿道膀胱镜
CN2410975Y (zh) * 2000-01-18 2000-12-20 俞南 一种输尿管肾镜
WO2004091385A1 (fr) * 2003-04-08 2004-10-28 C.R. Bard, Inc. Gaine d'acces ureterale

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3834156A1 (de) * 1988-10-07 1990-04-12 Winter & Ibe Olympus Medizinisches endoskop
CN2410975Y (zh) * 2000-01-18 2000-12-20 俞南 一种输尿管肾镜
CN2409907Y (zh) * 2000-01-25 2000-12-13 俞南 尿道膀胱镜
WO2004091385A1 (fr) * 2003-04-08 2004-10-28 C.R. Bard, Inc. Gaine d'acces ureterale

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2015007233A1 (fr) * 2013-07-19 2015-01-22 Sun Yinghao Urétérorénoscope ayant une extrémité de tête pliable
CN104473687A (zh) * 2014-12-03 2015-04-01 中国人民解放军第二军医大学 具有预弯管结构的末端可弯曲手术器械
CN104490467A (zh) * 2014-12-03 2015-04-08 中国人民解放军第二军医大学 经尿道途径非肌层浸润性膀胱肿瘤腔内手术器械系统
CN105534573A (zh) * 2015-12-15 2016-05-04 宁波华科润生物科技有限公司 一种新型的医用可调弯组织去除器械

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