CN106901801A - Calculi in urinary system cavity inner sleeve takes device - Google Patents
Calculi in urinary system cavity inner sleeve takes device Download PDFInfo
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- CN106901801A CN106901801A CN201710044086.1A CN201710044086A CN106901801A CN 106901801 A CN106901801 A CN 106901801A CN 201710044086 A CN201710044086 A CN 201710044086A CN 106901801 A CN106901801 A CN 106901801A
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- 230000002485 urinary effect Effects 0.000 title claims abstract description 13
- 239000004575 stone Substances 0.000 claims abstract description 28
- 239000004744 fabric Substances 0.000 claims description 3
- 238000000605 extraction Methods 0.000 abstract description 9
- 238000000034 method Methods 0.000 description 7
- 208000000913 Kidney Calculi Diseases 0.000 description 3
- 206010029148 Nephrolithiasis Diseases 0.000 description 3
- 229910052689 Holmium Inorganic materials 0.000 description 2
- KJZYNXUDTRRSPN-UHFFFAOYSA-N holmium atom Chemical compound [Ho] KJZYNXUDTRRSPN-UHFFFAOYSA-N 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 201000010099 disease Diseases 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 210000003734 kidney Anatomy 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000001356 surgical procedure Methods 0.000 description 1
Classifications
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods
- A61B17/22—Implements for squeezing-off ulcers or the like on inner organs of the body; Implements for scraping-out cavities of body organs, e.g. bones; for invasive removal or destruction of calculus using mechanical vibrations; for removing obstructions in blood vessels, not otherwise provided for
- A61B17/22031—Gripping instruments, e.g. forceps, for removing or smashing calculi
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods
- A61B17/22—Implements for squeezing-off ulcers or the like on inner organs of the body; Implements for scraping-out cavities of body organs, e.g. bones; for invasive removal or destruction of calculus using mechanical vibrations; for removing obstructions in blood vessels, not otherwise provided for
- A61B17/221—Gripping devices in the form of loops or baskets for gripping calculi or similar types of obstructions
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods
- A61B17/22—Implements for squeezing-off ulcers or the like on inner organs of the body; Implements for scraping-out cavities of body organs, e.g. bones; for invasive removal or destruction of calculus using mechanical vibrations; for removing obstructions in blood vessels, not otherwise provided for
- A61B17/221—Gripping devices in the form of loops or baskets for gripping calculi or similar types of obstructions
- A61B2017/2215—Gripping devices in the form of loops or baskets for gripping calculi or similar types of obstructions having an open distal end
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- Health & Medical Sciences (AREA)
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- Life Sciences & Earth Sciences (AREA)
- Heart & Thoracic Surgery (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Vascular Medicine (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Orthopedic Medicine & Surgery (AREA)
- Medical Informatics (AREA)
- Molecular Biology (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Surgical Instruments (AREA)
Abstract
本发明公开了一种泌尿系统结石腔内套取装置，包括导管和芯体，所述导管内设置有贯通导管的矩形滑槽，导管的远端设置有与矩形滑槽连通的开口，导管的近端设置有支板，所述支板与矩形滑槽之间形成用于结石排出的间隙，导管内设置有与矩形滑槽滑动连接的矩形块，所述芯体包括与矩形块远端连接的导丝以及设置在导丝远端的网篮，所述网篮由使用状态下呈曲线状的多根网篮丝组成，所述网篮丝的远端向着导管的中心轴方向收拢，所述矩形块的近端通过调节螺杆与支板连接，调节螺杆穿过矩形块且与矩形块螺纹连接，调节螺杆穿过支板且与支板转动连接。该结构的泌尿系统结石腔内套取装置，具有使用便利以及能提高取石效率的优点。
The invention discloses a settling device for calculi in the urinary system, which includes a catheter and a core body. A rectangular chute passing through the catheter is arranged inside the catheter, and an opening communicating with the rectangular chute is arranged at the far end of the catheter. A support plate is provided at the proximal end, and a gap for calculus discharge is formed between the support plate and the rectangular chute, and a rectangular block slidably connected with the rectangular chute is arranged in the catheter, and the core body includes a rectangular block connected to the distal end of the rectangular block. guide wire and a basket arranged at the far end of the guide wire, the basket is composed of a plurality of wire baskets in a curved shape in use, and the distal ends of the basket wires are drawn toward the central axis of the catheter, so The proximal end of the rectangular block is connected with the support plate through an adjusting screw, the adjusting screw passes through the rectangular block and is threadedly connected with the rectangular block, and the adjusting screw passes through the support plate and is rotatably connected with the support plate. The stone extraction device in the urinary system cavity with this structure has the advantages of being convenient to use and improving the efficiency of stone extraction.
Description
技术领域technical field
本发明涉及医疗器械领域，具体涉及一种泌尿系统结石腔内套取装置。The invention relates to the field of medical equipment, in particular to a device for removing stones in a cavity of the urinary system.
背景技术Background technique
肾结石是泌尿外科最常见的疾病之一，微创治疗技术已取代传统性开放手术成为肾结石最重要的治疗手段。微创治疗根本目的是完全清除结石。输尿管软镜通过人体自然腔道进入肾脏，通过钬激光粉碎结石，效果确切，是肾脏结石主要的微创治疗手段之一。为了提高结石的清除率，钬激光粉碎结石后，常采用套石篮套取较大的碎石。Kidney stones are one of the most common diseases in urology, and minimally invasive treatment techniques have replaced traditional open surgery as the most important treatment for kidney stones. The fundamental purpose of minimally invasive treatment is to completely remove stones. The flexible ureteroscope enters the kidney through the natural orifice of the human body, and the stone is crushed by the holmium laser. The effect is accurate, and it is one of the main minimally invasive treatment methods for kidney stones. In order to improve the stone-clearing rate, after the holmium laser pulverizes the stones, a stone basket is often used to collect the larger broken stones.
现有的套石篮，包括导管和芯体，所述导管构造操作通道，所述芯体包括导丝和设置在导丝远端的网篮，所述的网篮由使用状态下呈曲线状的多根网篮丝组成，所述网篮丝的远端向着导管的中心轴方向收拢，非使用状态时，所述的网篮丝收纳于导管远端的腔体内，网篮丝在导管腔体的限定下聚拢成一束，使用时，导丝相对导管滑动，使网篮伸出导管，并逐步展开，套住结石，从操作通道排出即可。这种结构的套石篮存在的缺点是：在套石过程中，需要借助其他的医疗器械或者医护人员一方面固定导管，另一方面固定导丝，才能实现导管与导丝的相对固定(即实现网篮保持一定的张开状态)，这不紧提高了手术过程的不便利性，而且影响了取石效率。The existing set of stone baskets includes a catheter and a core body. The catheter constructs an operation channel. The core body includes a guide wire and a net basket arranged at the distal end of the guide wire. The net basket is curved in a state of use. Composed of a plurality of basket wires, the distal ends of the basket wires are gathered towards the central axis of the catheter. When not in use, the basket wires are stored in the cavity at the distal end of the catheter, and the basket wires are placed in the catheter. Gathered into a bundle under the limitation of the cavity, when in use, the guide wire slides relative to the catheter, so that the basket protrudes out of the catheter, and gradually unfolds to trap the stones and discharge them from the operation channel. The shortcoming of the set stone basket of this structure is: in the process of set stone, it is necessary to fix the catheter with the help of other medical instruments or medical personnel on the one hand, and fix the guide wire on the other hand, so that the relative fixation of the catheter and the guide wire can be realized (i.e. Realize that the net basket keeps a certain open state), which not only improves the inconvenience of the operation process, but also affects the efficiency of stone removal.
发明内容Contents of the invention
有鉴于此，本发明的目的是提供一种泌尿系统结石腔内套取装置，使其具有使用便利以及能提高取石效率的优点。In view of this, the object of the present invention is to provide a device for extracting stones in the cavity of the urinary system, which has the advantages of being convenient to use and improving the efficiency of stone extraction.
本发明通过以下技术手段解决上述问题：一种泌尿系统结石腔内套取装置，包括导管和芯体，所述导管内设置有贯通导管的矩形滑槽，导管的远端设置有与矩形滑槽连通的开口，导管的近端设置有支板，所述支板与矩形滑槽之间形成用于结石排出的间隙，导管内设置有与矩形滑槽滑动连接的矩形块，所述芯体包括与矩形块远端连接的导丝以及设置在导丝远端的网篮，所述网篮由使用状态下呈曲线状的多根网篮丝组成，所述网篮丝的远端向着导管的中心轴方向收拢，所述矩形块的近端通过调节螺杆与支板连接，调节螺杆穿过矩形块且与矩形块螺纹连接，调节螺杆穿过支板且与支板转动连接。The present invention solves the above-mentioned problems through the following technical means: a device for taking stones in the cavity of the urinary system, including a catheter and a core body, a rectangular chute that runs through the catheter is arranged in the catheter, and a The proximal end of the catheter is provided with a support plate, and a gap for stone discharge is formed between the support plate and the rectangular chute, and a rectangular block slidably connected with the rectangular chute is arranged in the catheter, and the core body includes The guide wire connected to the far end of the rectangular block and the wire basket arranged at the far end of the guide wire, the wire basket is composed of a plurality of wire basket wires in a curved shape in use, and the distal end of the wire basket wire faces the catheter The direction of the central axis is closed, and the proximal end of the rectangular block is connected with the support plate through an adjusting screw, the adjusting screw passes through the rectangular block and is threadedly connected with the rectangular block, and the adjusting screw passes through the support plate and is rotatably connected with the support plate.
进一步，所述导管外壁靠近近端的位置设置有固定板，所述固定板上设置有转轴，所述转轴外套设有与转轴转动连接的卷筒，所述卷筒外缠绕有尺带，所述尺带由布料制成，尺带穿过导管侧壁且与矩形块连接。Further, a fixed plate is provided near the proximal end of the outer wall of the catheter, and a rotating shaft is arranged on the fixed plate, and a reel that is rotatably connected with the rotating shaft is arranged on the outer surface of the reel, and a ruler tape is wound outside the reel, so The ruler tape is made of cloth, and the ruler tape passes through the side wall of the conduit and is connected with the rectangular block.
进一步，所述卷筒内壁与转轴之间设置有复位弹簧。Further, a return spring is provided between the inner wall of the reel and the rotating shaft.
进一步，所述调节螺杆的近端设置有手柄。Further, a handle is provided at the proximal end of the adjusting screw.
本发明的有益效果：本发明的泌尿系统结石腔内套取装置，包括导管和芯体，所述导管内设置有贯通导管的矩形滑槽，导管的远端设置有与矩形滑槽连通的开口，导管的近端设置有支板，所述支板与矩形滑槽之间形成用于结石排出的间隙，导管内设置有与矩形滑槽滑动连接的矩形块，所述芯体包括与矩形块远端连接的导丝以及设置在导丝远端的网篮，所述网篮由使用状态下呈曲线状的多根网篮丝组成，所述网篮丝的远端向着导管的中心轴方向收拢，所述矩形块的近端通过调节螺杆与支板连接，调节螺杆穿过矩形块且与矩形块螺纹连接，调节螺杆穿过支板且与支板转动连接。该结构的泌尿系统结石腔内套取装置，具有使用便利以及能提高取石效率的优点。Beneficial effects of the present invention: The urinary system calculus intracavity extraction device of the present invention includes a catheter and a core body, the catheter is provided with a rectangular chute passing through the catheter, and the distal end of the catheter is provided with an opening communicating with the rectangular chute , the proximal end of the catheter is provided with a support plate, and a gap for calculus discharge is formed between the support plate and the rectangular chute, and a rectangular block slidably connected with the rectangular chute is arranged in the catheter, and the core body includes a rectangular block The guide wire connected at the distal end and the basket arranged at the distal end of the guide wire, the basket is composed of a plurality of wires that are curved in use, and the distal end of the basket wire faces the direction of the central axis of the catheter Folding, the proximal end of the rectangular block is connected with the support plate through the adjusting screw, the adjusting screw passes through the rectangular block and is threadedly connected with the rectangular block, and the adjusting screw passes through the support plate and is rotatably connected with the support plate. The stone extraction device in the urinary system cavity with this structure has the advantages of being convenient to use and improving the efficiency of stone extraction.
附图说明Description of drawings
下面结合附图和实施例对本发明作进一步描述。The present invention will be further described below in conjunction with the accompanying drawings and embodiments.
图1为本发明的结构示意图。Fig. 1 is a structural schematic diagram of the present invention.
具体实施方式detailed description
以下将结合附图对本发明进行详细说明。如图1所示，本发明的泌尿系统结石腔内套取装置，包括导管1和芯体，所述导管内设置有贯通导管的矩形滑槽2，导管的远端设置有与矩形滑槽连通的开口，导管的近端设置有支板3，所述支板与矩形滑槽之间形成用于结石排出的间隙，导管内设置有与矩形滑槽滑动连接的矩形块4，所述芯体包括与矩形块远端连接的导丝5以及设置在导丝远端的网篮，所述网篮由使用状态下呈曲线状的多根网篮丝6组成，所述网篮丝的远端向着导管的中心轴方向收拢，网篮丝为弹性金属丝，所述矩形块的近端通过调节螺杆7与支板连接，调节螺杆穿过矩形块且与矩形块螺纹连接，调节螺杆穿过支板且与支板转动连接，所述调节螺杆的近端设置有手柄13。使用时，通过手柄带动调节螺杆转动，即可使矩形块沿矩形滑槽移动，使网篮伸出导管，网篮展开套住结石，而后反向转动调节螺杆，带动结石沿矩形滑槽从矩形滑槽与支板之间的间隙处排出即可。该结构的结石套取装置，停止转动调节螺杆，即可实现矩形块与矩形滑槽的相对静止，从而实现网篮保持一定的张开状态，提高了取石的便利性和效率。The present invention will be described in detail below in conjunction with the accompanying drawings. As shown in Figure 1, the urinary system calculus intracavity extraction device of the present invention includes a catheter 1 and a core body, the catheter is provided with a rectangular chute 2 that runs through the catheter, and the distal end of the catheter is provided with a rectangular chute that communicates with the rectangular chute. The proximal end of the catheter is provided with a support plate 3, and a gap for calculus discharge is formed between the support plate and the rectangular chute, and a rectangular block 4 slidably connected with the rectangular chute is arranged in the catheter, and the core It includes a guide wire 5 connected to the far end of the rectangular block and a wire basket arranged at the far end of the guide wire, the wire basket is made up of a plurality of wires 6 that are curved in use, and the far end of the wire basket is Gather toward the central axis of the catheter, the basket wire is an elastic metal wire, the proximal end of the rectangular block is connected to the support plate through the adjusting screw 7, the adjusting screw passes through the rectangular block and is threadedly connected with the rectangular block, and the adjusting screw passes through the support The plate is rotatably connected with the support plate, and the proximal end of the adjusting screw is provided with a handle 13 . When in use, the handle is used to drive the adjusting screw to rotate, so that the rectangular block can move along the rectangular chute, so that the net basket extends out of the conduit, and the net basket unfolds to catch the stone, and then reversely rotates the adjusting screw to drive the stone along the rectangular chute from the rectangular Just discharge from the gap between the chute and the support plate. For the calculus extraction device of this structure, the rectangular block and the rectangular chute can be relatively stationary when the adjusting screw is stopped, so that the basket can be kept in a certain open state, and the convenience and efficiency of stone extraction are improved.
作为对上述技术方案的进一步改进，所述导管外壁靠近近端的位置设置有固定板8，所述固定板上设置有转轴9，所述转轴外套设有与转轴转动连接的卷筒10，所述卷筒外缠绕有尺带11，所述尺带由布料制成，尺带穿过导管侧壁且与矩形块连接。在矩形块移动过程中，带动尺带从卷筒上逐步释放，通过尺带可以准确读出矩形块的移动的距离，从而可以准确控制网篮的张开程度(矩形块移动距离越长，网篮伸出导管的距离也越长，网篮丝的张开程度越大，反之则网篮丝的张开程度越小)，以便更好的匹配不同尺寸结石的套取需求。此外，在卷筒内壁与转轴之间设置有复位弹簧12，在释放尺带的过程中，复位弹簧拉伸，当矩形块反向移动取出结石的过程中，复位弹簧恢复形变，拉动卷筒反向转动，将尺带重新缠绕在卷筒上。卷筒呈圆筒状，在卷筒的两侧均固定外套有挡环，从而避免了尺带从卷筒的两侧滑落。As a further improvement to the above-mentioned technical solution, a fixed plate 8 is provided near the proximal end of the outer wall of the catheter, a rotating shaft 9 is arranged on the fixed plate, and a reel 10 rotatably connected with the rotating shaft is provided outside the rotating shaft. A ruler tape 11 is wound outside the reel, and the ruler tape is made of cloth, and the ruler tape passes through the side wall of the conduit and is connected with the rectangular block. During the moving process of the rectangular block, the tape is driven to be gradually released from the reel, and the moving distance of the rectangular block can be accurately read through the tape, so that the opening degree of the basket can be accurately controlled (the longer the moving distance of the rectangular block, The longer the distance that the basket protrudes from the catheter, the greater the opening degree of the basket wire, and vice versa, the smaller the opening degree of the basket wire), so as to better match the collection requirements of stones of different sizes. In addition, a return spring 12 is arranged between the inner wall of the reel and the rotating shaft. During the process of releasing the tape, the return spring stretches. When the rectangular block moves in the opposite direction to take out the stone, the return spring recovers and deforms, and the reel is pulled back. turn to rewind the tape onto the reel. The reel is in the shape of a cylinder, and retaining rings are fixed on both sides of the reel, thereby preventing the tape from slipping off from both sides of the reel.
最后说明的是，以上实施例仅用以说明本发明的技术方案而非限制，尽管参照较佳实施例对本发明进行了详细说明，本领域的普通技术人员应当理解，可以对本发明的技术方案进行修改或者等同替换，而不脱离本发明技术方案的宗旨和范围，其均应涵盖在本发明的权利要求范围当中。Finally, it is noted that the above embodiments are only used to illustrate the technical solutions of the present invention without limitation. Although the present invention has been described in detail with reference to the preferred embodiments, those of ordinary skill in the art should understand that the technical solutions of the present invention can be carried out Modifications or equivalent replacements without departing from the spirit and scope of the technical solution of the present invention shall be covered by the claims of the present invention.
Claims (4)
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| CN201710044086.1A CN106901801A (en) | 2017-01-19 | 2017-01-19 | Calculi in urinary system cavity inner sleeve takes device |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108969054A (en) * | 2018-07-05 | 2018-12-11 | 高翰哲 | A kind of rotary type biliary tract curet |
| CN111358528A (en) * | 2020-03-23 | 2020-07-03 | 中国人民解放军总医院第八医学中心 | Hepatobiliary calculus removing device |
| CN111821012A (en) * | 2020-08-21 | 2020-10-27 | 魏子人 | A plasma costal cartilage cutting device |
| CN111936076A (en) * | 2018-04-12 | 2020-11-13 | 逸吉恩哆股份公司 | Calculus removal device and method |
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