WO2023029293A1 - 一种牵引绳连接结构、内窥镜及回收方法 - Google Patents

一种牵引绳连接结构、内窥镜及回收方法 Download PDF

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Publication number
WO2023029293A1
WO2023029293A1 PCT/CN2021/138464 CN2021138464W WO2023029293A1 WO 2023029293 A1 WO2023029293 A1 WO 2023029293A1 CN 2021138464 W CN2021138464 W CN 2021138464W WO 2023029293 A1 WO2023029293 A1 WO 2023029293A1
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WIPO (PCT)
Prior art keywords
magnetic body
traction rope
magnetic
channel
endoscope
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PCT/CN2021/138464
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English (en)
French (fr)
Inventor
周冠华
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湖南省华芯医疗器械有限公司
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Publication of WO2023029293A1 publication Critical patent/WO2023029293A1/zh

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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
    • A61B1/00064—Constructional details of the endoscope body
    • A61B1/00071—Insertion part of the endoscope body
    • 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
    • A61B1/00112—Connection or coupling means
    • A61B1/00121—Connectors, fasteners and adapters, e.g. on the endoscope handle
    • 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
    • A61B1/0051—Flexible endoscopes with controlled bending of insertion part
    • A61B1/0057—Constructional details of force transmission elements, e.g. control wires

Definitions

  • the invention relates to an endoscope, in particular to a traction rope connection structure for the endoscope, the endoscope and a recovery method.
  • Endoscope is a commonly used medical device, which enters the human body through the natural channel of the human body or a small incision made by surgery. When in use, the endoscope is introduced into the pre-examination organ, and the changes in the relevant parts can be directly peeped.
  • the structure of the endoscope is complex, and it is difficult to achieve thorough disinfection. Therefore, in order to avoid cross-infection caused by the application of the same endoscope among different patients, the endoscope will be discarded as a whole after it is used once. However, this method leads to high discarding costs of endoscopes, is not conducive to environmental protection, and causes greater economic pressure on patients.
  • the purpose of the first aspect of the present invention is to provide a traction rope connection structure
  • the connection structure includes: a first magnetic body, a second magnetic body, the first magnetic body is used for traction with the first side Rope connection, the second magnetic body is used to connect with the second side traction rope;
  • the first magnetic body and the second magnetic body are arranged opposite to each other, and the magnetic properties of opposite surfaces of the first magnetic body and the second magnetic body are opposite.
  • the traction rope connection structure further includes a locking body, and a locking groove is provided on the first magnetic body and/or the second magnetic body;
  • the locking body is inserted into the locking groove to realize the locking of the first magnetic body and the second magnetic body.
  • the traction rope connection structure also includes a combined body, the combined body is provided with intersecting first channel and second channel, the first channel runs through the combined body, the locking body is accommodated in the within a second channel and is slidable within said second channel;
  • One of the first magnetic body and the second magnetic body is fixedly connected to one end of the first channel, and the other of the first magnetic body and the second magnetic body can pass through the the other end of the first channel enters the first channel;
  • one of the first magnetic body and the second magnetic body is located at one end of the first channel, and is integrally formed with the combined body, the first magnetic body and the second magnetic body The other can enter the first channel through the other end of the first channel.
  • the traction rope connection structure includes a driving body, and the driving body is accommodated in the second channel; when the first magnetic body and the second magnetic body are connected in the first channel , the driving body can drive the locking body to enter the locking groove.
  • the locking body is a permanent magnet
  • the driving body is a variable polarity magnetic body.
  • both the first magnetic body and the second magnetic body are variable polarity magnetic bodies.
  • the purpose of the second aspect of the present invention is to provide an endoscope, which includes an endoscope main body and the aforementioned traction rope connection structure;
  • the endoscope main body includes a detachably connected handle part and an insertion part , the handle part is provided with a first side traction rope, and the insertion part is provided with a second side traction rope;
  • the first side traction rope is fixedly connected to the first magnetic body, and the second side traction rope is fixedly connected to the second magnetic body; through the connection between the first magnetic body and the second magnetic body , realizing the connection of the first side traction rope and the second side traction rope.
  • the handle part is provided with a first accommodation chamber
  • the insertion part is provided with a second accommodation chamber
  • the first magnetic body is accommodated in the first accommodation chamber
  • the second magnetic body is accommodated in the first accommodation chamber. within the second magnetic cavity;
  • the first magnetic body can slide in the first accommodation chamber, and the second magnetic body can slide in the second accommodation chamber.
  • the endoscope also includes a protective cover, the protective cover is detachably arranged on the endoscope main body, the opening of the protective cover faces the handle part, and the protective cover can at least The handle of the endoscope is partially covered.
  • the purpose of the third aspect of the present invention is to provide a method for recovering the aforementioned endoscope, which method includes the following steps:
  • Step S01 separating the handle part and the insertion part of the endoscope main body
  • Step S02 separating the first magnetic body and the second magnetic body of the traction rope connection structure
  • Step S03 Sterilize the separated handle part and the first magnetic body and recover them separately.
  • the structure in which two traction ropes are connected through the first magnetic body and the second magnetic body is simple in structure and easy to operate. The user only needs to bring the first magnetic body and the second magnetic body close to and in a relative position to realize the automatic connection of the two traction ropes; pull the first magnetic body and the second magnetic body to both sides to overcome the second magnetic body. The magnetic force between the first magnetic body and the second magnetic body can realize the separation of the two traction ropes.
  • the present invention further enhances the reliability of the connection between the first magnetic body and the second magnetic body by providing the locking body and the locking groove, and inserting the locking body into the locking groove.
  • the present invention not only guides the connection of the first magnetic body and the second magnetic body by setting the combination body, but also combines the locking body, the first magnetic body, and the second magnetic body into an integral module, and the connected
  • the first magnetic body, the second magnetic body and the locking body are all located in the combined body, realizing the modularization of the connection structure of the traction rope.
  • the endoscope provided by the present invention adopts the traction rope connection structure of the first magnetic body and the second magnetic body, and has a simple structure.
  • the direct connection between the handle part traction rope (ie the first side traction rope) and the insertion part traction rope (ie the second side traction rope) can be realized; the user only needs to pull hard to both sides to overcome the first magnetic body and The magnetic force between the second magnetic bodies can realize the separation of the two, the operation is simple and convenient, and the loading and unloading time of the user is greatly saved.
  • the endoscope of the present invention is provided with a protective cover.
  • the handle portion and the signal wires on the handle portion can be integrally socketed to avoid contamination of the handle portion and signal wires.
  • the protective cover is detached from the handle and can be used as a container for contaminated parts such as instrument tubes and insertion parts, and can be discarded as a whole.
  • Fig. 1 is a schematic diagram of a traction rope connection structure in an embodiment of the present invention
  • Fig. 2 is a cross-sectional view of the combination in Fig. 1;
  • Fig. 3 is a connection principle diagram of the traction rope connection structure in one embodiment of the present invention.
  • Fig. 4 is a schematic structural view of an endoscope in an embodiment of the present invention.
  • Fig. 5 is a schematic structural view of the endoscope handle part and insertion part in an embodiment of the present invention.
  • Fig. 6 is a schematic diagram of the connection structure of the traction ropes on both sides of the endoscope in an embodiment of the present invention
  • Fig. 7 is a schematic structural view of an endoscope with a protective cover in one embodiment of the present invention.
  • 1-traction rope connection structure 11-first magnetic body, 12-second magnetic body, 13-locking body, 14-locking groove, 15-combination body, 16-driving body, 2-endoscope main body , 21-handle part, 211-first side traction rope, 212-first accommodation chamber, 213-fourth accommodation chamber, 214-sixth accommodation chamber, 22-insertion part, 221-second side traction rope, 222- The second accommodating cavity, 223 - the fifth accommodating cavity, 224 - the seventh accommodating cavity, 3 - the protective cover.
  • a conventional endoscope is composed of a connecting portion (connector portion), a handle portion, and an insertion portion.
  • the connection part (connector part) is used to connect with the main body of the video system, and the transmitted image is observed through the display, and the clear image captured by the small image sensor (CCD, etc.) installed at the front end of the video endoscope is displayed on the display;
  • CCD small image sensor
  • the handle part has a built-in traction rope, in order to realize the recovery of the handle part, it is necessary to provide a reliable and easy to connect and disconnect traction rope connection structure.
  • the magnetic body 11 is used for connecting with the first side traction rope 211, and the second magnetic body 12 is used for connecting with the second side traction rope 221;
  • the first magnetic body 11 and the second magnetic body 12 are disposed opposite to each other, and the magnetic properties of the opposite surfaces of the first magnetic body 11 and the second magnetic body 12 are opposite.
  • connection of the two disconnected traction ropes is realized through the connection of the first magnetic body 11 and the second magnetic body 12 .
  • the traction rope 221 on the first side is fixedly connected to the first magnetic body 11
  • the traction rope 221 on the second side is fixedly connected to the second magnetic body 12 .
  • conventional methods such as bonding and riveting can be used, and there is no limitation here.
  • the magnetic properties of the opposite surfaces of the first magnetic body 11 and the second magnetic body 12 are opposite. According to the characteristic of magnetic bodies attracting opposites, the first magnetic body 11 and the first magnetic body 11 are connected as a whole, and then the connection of the traction ropes on both sides is realized. The magnetic force between the first magnetic body 11 and the second magnetic body 12 is greater than the force required by the pulling wire to pull the probe of the insertion part of the endoscope to achieve rotation.
  • the first magnetic body 11 and the second magnetic body 12 can be permanent magnets and/or electromagnets, and the shapes of the first magnetic body 11 and the second magnetic body 12 can be strip magnetic bodies , disc magnetic body, ring magnetic body or other shapes of magnetic bodies, which are not limited here.
  • the user only needs to bring the first magnetic body 11 and the second magnetic body 12 close to and in a relative position to realize the automatic connection of the two traction ropes 211, 221;
  • the first magnetic body 11 and the second magnetic body 12 are pulled hard to both sides to overcome the magnetic force between the first magnetic body 11 and the second magnetic body 12, and the separation of the two traction ropes can be realized.
  • the structure is simple and the operation is convenient.
  • the traction rope connection structure further includes a locking body 13, and the first magnetic body 11 and/or the second magnetic body 12 is provided with a locking groove 14;
  • the locking body 13 is inserted into the locking slot 14 to realize the locking of the first magnetic body 11 and the second magnetic body 12 .
  • a locking body 13 and a locking groove 14 are provided. in:
  • the locking groove 14 can be arranged on the first magnetic body 11, the locking body 13 is fixedly connected to the second magnetic body 12, when the first magnetic body 11 and the second magnetic body 12 are connected, the locking body 13 is inserted into the In the locking groove 14, the locking of the first magnetic body 11 and the second magnetic body 12 is realized;
  • the locking groove 14 can also be arranged on the second magnetic body 12, the locking body 13 is fixedly connected to the first magnetic body 11, when the first magnetic body 11 and the second magnetic body 12 are connected, the locking body 13 is inserted into the In the locking groove 14, the locking of the first magnetic body 11 and the second magnetic body 12 is realized;
  • Locking grooves 14 can also be set on the first magnetic body 11 and the second magnetic body 12, and the locking body 13 is provided separately. When the first magnetic body 11 and the second magnetic body 12 are connected, the locking body 13 is inserted into the The first magnetic body 11 and the second magnetic body 12 are locked in the two locking grooves 14 mentioned above.
  • the traction rope connection structure also includes a combined body 15, the combined body 15 is provided with intersecting first channel 151 and second channel 152, the first channel 151 runs through the combined body 15, the The locking body 13 is accommodated in the second channel 152 and can slide in the second channel 152;
  • One of the first magnetic body 11 and the second magnetic body 12 is fixedly connected to one end of the first channel 151, and the other of the first magnetic body 11 and the second magnetic body 12 or can enter the first passage 151 through the other end of the first passage 151;
  • one of the first magnetic body 11 and the second magnetic body 12 is located at one end of the first channel 151 and integrally formed with the combination body 15, the first magnetic body 11 and the second magnetic body
  • the other of the two magnetic bodies 12 can enter the first channel 151 through the other end of the first channel 151 .
  • a combined body 15 is further provided, wherein the combined body 15 is provided with intersecting first channels 151 and second channels 152 .
  • the first channel 151 and the second channel 152 are arranged in a T shape, and the first channel 151 runs through the combined body 15 .
  • the connection principle of the above connection structure will be described in detail.
  • the arrow represents the motion direction of the second magnetic body: one end of the first channel 151 of the combined body 15 is fixedly connected with the first magnetic body 11 (the first magnetic body 11 can also be connected with the combined body 15 integrally formed, and the first magnetic body 11 is located at one end of the first channel 151), so that the side of the first magnetic body 11 combined with the second magnetic body 12 is located in the first channel 151, the combined body 15 and the first magnetic body 11 synchronized movements.
  • the second magnetic body 12 When the second magnetic body 12 is attracted by the magnetic force of the first magnetic body 11, under the guidance of the first channel 151, the second magnetic body 12 enters the combination body 15 from the other end of the first channel 151, and Connect with the first magnetic body 11. At this time, the locking groove 14 on the second magnetic body 12 is facing the second channel 152, and the locking body 13 located in the second channel 152 enters the locking groove 14 to realize the first magnetic body 11 and the second magnetic body 12. of the lock.
  • one end of the first channel 151 of the combination body 15 can also be fixedly connected to the second magnetic body 12 (the second magnetic body 12 can also be integrally formed with the combination body 15, and the second magnetic body 12 is located at one end of the first channel 151), so that the side of the second magnetic body 12 combined with the first magnetic body 11 is located in the first channel 151, and the combined body 15 and the second magnetic body 12 move synchronously.
  • the first magnetic body 11 is attracted by the magnetic force of the second magnetic body 12
  • the first magnetic body 11 enters the combination body 15 from the other end of the first channel 151, and It is connected with the second magnetic body 12 .
  • the locking groove 14 on the first magnetic body 11 is facing the second channel 152, and the locking body 13 located in the second channel 152 enters the locking groove 14 to realize the first magnetic body 11 and the second magnetic body 12. of the lock.
  • the combination body 15 by setting the combination body 15, it not only serves as a guide for the connection of the first magnetic body 11 and the second magnetic body 12, but also combines the locking body 13, the first magnetic body 11, and the second magnetic body 12 into one
  • the connected first magnetic body 11 , second magnetic body 12 and locking body 13 are all located in the combined body 15 , which realizes the modularization of the connection structure of the traction rope.
  • the traction rope connection structure includes a driving body 16, and the driving body 16 is accommodated in the second channel 152; when the first magnetic body 11 and the second magnetic body 12 are in the first When connected in a channel 151 , the driving body 16 can drive the locking body 13 to enter the locking groove 14 .
  • the locking body 13 is a permanent magnet
  • the driving body 16 is a variable polarity magnetic body.
  • a driving body 16 for driving the locking body 13 to move back and forth in the second channel 152 is further provided in the second channel 152 .
  • the driving body 16 can be a contact driving method (such as a mechanical driving method), or a non-contact driving method (such as an electromagnetic driving method).
  • the locking body 13 adopts a non-contact driving method.
  • the locking body 13 is set as a permanent magnet
  • the driving body 16 is set as a magnetic body with variable polarity, such as an electromagnet.
  • the magnetism between the opposite surfaces of the driving body 16 and the locking body 13 is opposite, so that the driving body 16 attracts the locking body 13;
  • the magnetic communication between the opposite surfaces of the driving body 16 and the locking body 13 so that the driving body 16 repels the locking body 13, so that the locking body 13 moves along the
  • the second channel 152 enters into the locking groove 14 to realize the locking of the first magnetic body 11 and the second magnetic body 12 .
  • a connecting spring or a connecting rope may also be provided between the locking body 13 and the driving body 16 to prevent the locking body 13 from the first channel 151 and the second The intersection of the two channels 152 falls.
  • the way to realize the non-contact drive between the locking body 13 and the driving body 16 can also be other ways, such as the locking body 13 being the guide of the passage, the driving body 16 being an electromagnet, and the locking body 13 being positioned at the driving position. Within the magnetic field range of the locking body 16, by changing the direction of the current in the driving body 16, the control of the moving direction of the locking body 13 is realized.
  • both the first magnetic body 11 and the second magnetic body 12 are variable polarity magnetic bodies.
  • the magnetism of the two opposite surfaces is set to be opposite, such as the first magnetic body 11 facing one end of the second magnetic body 12 It is set as the S pole, and the end of the second magnetic body 12 facing the first magnetic body 11 is set as the N pole.
  • the magnetism of the two opposite surfaces is set to be the same.
  • the polarity of the end of the first magnetic body 11 facing the second magnetic body 12 will be changed, or the polarity of the end of the second magnetic body 12 facing the first magnetic body 11 will be changed, so that both are S poles or both are S poles. N pole.
  • FIGS. 2 comprising a detachably connected handle part 21 and an insertion part 22, the handle part 21 is provided with a first side traction rope 211, and the insertion part 22 is provided with a second side traction rope 221;
  • the first side traction rope 211 is fixedly connected with the first magnetic body 11, and the second side traction rope 221 is fixedly connected with the second magnetic body 12;
  • the connection of the two magnetic bodies 12 realizes the connection of the first side traction rope 211 and the second side traction rope 221 .
  • the handle portion 21 and the insertion portion 22 of the endoscope main body 2 are detachably arranged to realize partial recovery of the endoscope handle portion 21 .
  • the structure for connecting the handle part 21 and the insertion part 22 with a traction rope is complicated and inconvenient to operate.
  • an endoscope is provided, which uses the aforementioned traction cord connection structure 1 to realize the connection of the traction cords 211 and 221 of the endoscope handle part 21 and the insertion part 22 .
  • the traction rope connection structure of the first magnetic body 11 and the second magnetic body 12 is adopted, and the structure is simple.
  • the handle part 21 and the insertion part 22 need to be in the relative position, and the handle part 21 can be realized.
  • 21 The direct connection of the traction rope (ie the first side traction rope 211) and the insertion part 22 traction rope (ie the second side traction rope 221); the user only needs to pull hard to both sides to overcome the first magnetic body 11 and the second magnetic body 11.
  • the magnetic force between the magnetic bodies 12 can realize the separation of the two, the operation is simple and convenient, and the loading and unloading time of the user is greatly saved.
  • the arrangement of the locking body 13 and the driving body 16 further ensures the reliability of the connection between the first-side traction rope 211 and the second-side traction rope 221 .
  • the handle part 21 is provided with a first accommodation chamber 212
  • the insertion part 22 is provided with a second accommodation chamber 222
  • the first magnetic body 11 is accommodated in the first accommodation chamber 212
  • the The second magnetic body 12 is accommodated in the second magnetic cavity;
  • the first magnetic body 11 can slide in the first accommodation chamber 212
  • the second magnetic body 12 can slide in the second accommodation chamber 222 .
  • the first accommodation chamber 212 and the second accommodation chamber 222 are just opposite to form a larger accommodation chamber (recorded as the third accommodation chamber); when the winding wheel of the handle part 21 rotates, the traction rope on the corresponding side is pulled, and the traction rope connection structure moves in the third accommodation chamber along with the traction rope to realize the insertion of the endoscope The direction of the front end of the portion 22 changes.
  • a through hole through which the first side traction rope 211 passes is provided at the bottom of the first accommodation chamber 212
  • a through hole through which the second traction rope passes is provided at the bottom of the second accommodation chamber 222 .
  • both the handle part 21 and the insertion part 22 are provided with an image signal transmission line for realizing remote camera module signal transmission, and an electrical signal transmission line for realizing LED lighting signal transmission.
  • the electrical signal transmission line in the handle portion 21 is connected with the electrical signal transmission line of the insertion portion 22, it is the same as the principle of the above-mentioned pulling wire connection structure;
  • the connection is realized by attracting the magnetic bodies; the two magnetic bodies that realize the connection of the electric signal transmission line are respectively located in the fourth accommodation chamber 213 and the fifth accommodation chamber 223 .
  • connection principle is the same as that of the above-mentioned pulling wire, that is, the image signal transmission line of the handle portion and the image signal transmission line of the insertion portion 22 are also passed through anisotropic magnetism.
  • the connection is realized by means of body attraction; the two magnetic bodies for realizing the connection of the image signal transmission line are respectively located in the sixth accommodating cavity 214 and the seventh accommodating cavity 224 .
  • the endoscope further includes a protective cover 3, which is detachably arranged on the endoscope main body 2, and the protective cover 3
  • the opening of the endoscope faces the handle part 21, and the protective cover 3 can at least cover the handle part 21 of the endoscope.
  • the opening of the protective cover 3 faces the handle of the endoscope main body 2, and the protective cover 3 can at least cover the handle 21 of the endoscope.
  • the protective cover 3 in the above solution is detachably connected to the handle part 21 of the endoscope, preferably the protective cover 3 is connected to the position of the endoscope insertion part 22 close to the handle part 21 .
  • the handle portion 21 and the signal wires on the handle portion 21 can be completely sleeved to prevent the handle portion 21 and the signal wires from being polluted.
  • the protective cover 3 is disassembled from the handle part 21, and can be used as a container for contaminated parts such as the instrument tube and the insertion part 22, and can be discarded as a whole.
  • Another embodiment of the present invention provides a method for retrieving the aforementioned endoscope, the method includes the following steps:
  • Step S01 separating the handle part 21 and the insertion part 22 of the endoscope main body 2;
  • Step S02 separating the first magnetic body 11 and the second magnetic body 12 of the traction rope connection structure
  • Step S03 Sterilize the separated handle part 21 and first magnetic body 11 and collect them separately.
  • the handle part 21 and the insertion part 22 of the endoscope are processed separately, wherein the disassembled handle part 21 is further recycled, and the insertion part 22 and the rest of the human body are discarded, so as to ensure the hygiene of the endoscope, While avoiding cross-infection, the cost of endoscope discarding is greatly reduced.

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Abstract

一种牵引绳连接结构（1）、内窥镜及回收方法，适用于内窥镜技术领域，该连接结构（1）包括：第一磁性体（11）、第二磁性体（12），第一磁性体（11）用于与第一侧牵引绳（211）连接，第二磁性体(12)用于与第二侧牵引绳(221)连接；第一磁性体(11)和第二磁性体(12)相对布置，第一磁性体(11)和第二磁性体(12)相对面的磁性相反。采用第一磁性体(11)和第二磁性体(12)的牵引绳连接结构(1)，结构简单，使用时，仅需要将手柄部(21)和插入部(22)处于相对位置，便可实现手柄部牵引绳和插入部牵引绳,即第一侧牵引绳(211))和第二侧牵引绳(221)的直接连接；使用者仅需向两侧用力拉，克服第一磁性体(11)和第二磁性体(12)之间的磁力，便可实现两者的分离，操作简单方便，大大节约了使用者的装卸时间。

Description

一种牵引绳连接结构、内窥镜及回收方法 技术领域
本发明涉及一种内窥镜，尤其是涉及用于内窥镜的一种牵引绳连接结构、内窥镜及回收方法。
背景技术
内窥镜是一种常用的医疗器械，经人体的自然孔道或经手术做的小切口进入人体内，使用时将内窥镜导入预检查的器官，可直接窥视有关部位的变化。
内窥镜结构复杂，难以做到彻底消毒，因此，为了避免了同一内窥镜在不同患者之间的应用导致的交叉感染，内窥镜在使用一次后就会整体丢弃。但这种方式导致内窥镜的丢弃成本高、不利于环保，对患者造成了较大的经济压力。
实际上，使用一次后的内窥镜中有很多部件是处于完好状态的，完全可以被重复利用。而传统一次性内窥镜结构复杂，想要实现对重要部件的回收利用所需要的工艺步骤比较复杂。因此，有必要对一次性内窥镜结构进行改进，使其便于实现重要部件的回收利用。
发明内容
为了解决上述问题，本发明第一方面的目的是，提供一种牵引绳连接结构，该连接结构包括：第一磁性体、第二磁性体，所述第一磁性体用于与第一侧牵引绳连接，所述第二磁性体用于与第二侧牵引绳连接；
所述第一磁性体和所述第二磁性体相对布置，所述第一磁性体和所述第二磁性体相对面的磁性相反。
进一步地，所述牵引绳连接结构还包括锁定体，所述第一磁性体和/或所述第二磁性体上设有锁定槽；
所述锁定体插入所述锁定槽，可实现所述第一磁性体和所述第二磁性体的 锁定。
进一步地，所述牵引绳连接结构还包括结合体，所述结合体内设有相交的第一通道和第二通道，所述第一通道贯穿所述结合体，所述锁定体容置于所述第二通道内，并可在所述第二通道内滑动；
所述第一磁性体和所述第二磁性体中的一者固定连接于所述第一通道的一端，所述第一磁性体和所述第二磁性体中的另一者可通过所述第一通道的另一端进入所述第一通道中；
或所述第一磁性体和所述第二磁性体中的一者位于所述第一通道的一端，且与所述结合体一体成型，所述第一磁性体和所述第二磁性体中的另一者可通过所述第一通道的另一端进入所述第一通道中。
进一步地，所述牵引绳连接结构包括驱动体，所述驱动体容置于所述第二通道内；当所述第一磁性体和所述第二磁性体在所述第一通道内连接时，所述驱动体可驱动所述锁定体可进入所述锁定槽内。
进一步地，所述锁定体为永磁体，所述驱动体为可变极性磁性体。
进一步地，所述第一磁性体和所述第二磁性体均为可变极性磁性体。
本发明第二方面的目的是，提供一种内窥镜，所述内窥镜包括内窥镜主体、前述的牵引绳连接结构；所述内窥镜主体包括可拆卸连接的手柄部分和插入部，所述手柄部设有第一侧牵引绳，所述插入部设有第二侧牵引绳；
所述第一侧牵引绳与所述第一磁性体固定连接，所述第二侧牵引绳与所述第二磁性体固定连接；通过所述第一磁性体和所述第二磁性体的连接，实现所述第一侧牵引绳和第二侧牵引绳的连接。
进一步地，所述手柄部设有第一容纳腔，所述插入部设有第二容纳腔，所述第一磁性体容置于所述第一容纳腔内，所述第二磁性体容置于所述第二磁性腔内；
所述第一侧牵引绳的带动下，所述第一磁性体可在所述第一容纳腔内滑动，所述第二磁性体可在所述第二容纳腔内滑动。
进一步地，所述内窥镜还包括保护罩，所述保护罩可拆卸的设置于所述内窥镜主体上，所述保护罩的开口部面向所述手柄部，所述保护罩可至少将所述内窥镜的手柄部分罩住。
本发明第三方面的目的是，提供一种前述的内窥镜的回收方法，该方法包括如下步骤：
步骤S01：将所述内窥镜主体的手柄部分和插入部分离；
步骤S02：将所述牵引绳连接结构的第一磁性体和第二磁性体分离；
步骤S03：将分离出的手柄部分和第一磁性体消毒后单独回收。
与现有技术相比，本发明的有益技术效果为：
1)本发明通过第一磁性体和第二磁性体实现两牵引绳连接的结构，结构简单，操作方便。使用者仅需将所述第一磁性体和第二磁性体靠近并处于相对位置，便可实现两牵引绳的自动连接；将第一磁性体和第二磁性体向两侧用力拉，克服第一磁性体和第二磁性体之间的磁力，便可实现两牵引绳的分离。
2)本发明通过设置锁定体和锁定槽，将锁定体插入锁定槽内，进一步增强了第一磁性体和第二磁性体之间连接的可靠性。
3)本发明通过设置结合体，不仅为第一磁性体和第二磁性体的连接起引导作用，同时还将锁定体、第一磁性体、第二磁性体结合为一个整体模块，连接后的第一磁性体、第二磁性体和锁定体均位于结合体中，实现了牵引绳连接结构的模块化。
4)本发明所提供的内窥镜，与现有技术相比，采用第一磁性体和第二磁性体的牵引绳连接结构，结构简单，使用时，仅需要将手柄部和插入部处于相对位置，便可实现手柄部牵引绳(即第一侧牵引绳)和插入部牵引绳(即第二侧牵引绳)的直接连接；使用者仅需向两侧用力拉，克服第一磁性体和第二磁性体之间的磁力，便可实现两者的分离，操作简单方便，大大节约了使用者的装卸时间。
5)本发明所述内窥镜设置有保护罩，使用时，可以将手柄部以及手柄部上 的信号线等整体套接，避免手柄部及信号线等被污染。使用后将所述保护罩从手柄部上拆卸下来，并可作为器械管、插入部等已污染部件的容器，整体丢弃。
附图说明
为了更清楚地说明本发明实施例的技术方案，下面将对本发明实施例或现有技术描述中所需要使用的附图作简单的介绍，显而易见地，下面所描述的附图仅仅是本发明的一些实施例，对于本领域普通技术人员来讲，在不付出创造性劳动的前提下，还可以根据这些附图获得其他的附图。
图1是本发明一个实施例中一种牵引绳连接结构示意图；
图2是图1中结合体剖视图；
图3是本发明一个实施例中牵引绳连接结构连接原理图；
图4是本发明一个实施例中内窥镜结构示意图；
图5是本发明一个实施例中内窥镜手柄部和插入部结构示意图；
图6是本发明一个实施例中内窥镜中两侧牵引绳连接结构示意图；
图7是本发明一个实施例中带有保护罩的内窥镜结构示意图；
图中：1-牵引绳连接结构，11-第一磁性体，12-第二磁性体，13-锁定体，14-锁定槽，15-结合体，16-驱动体，2-内窥镜主体，21-手柄部，211-第一侧牵引绳，212-第一容纳腔，213-第四容纳腔，214-第六容纳腔，22-插入部，221-第二侧牵引绳，222-第二容纳腔，223-第五容纳腔，224-第七容纳腔，3-保护罩。
具体实施方式
以下的说明提供了许多不同的实施例、或是例子，用来实施本发明的不同特征。以下特定例子所描述的元件和排列方式，仅用来精简的表达本发明，其仅作为例子，而并非用以限制本发明。
众所周知，传统内窥镜由连接部(连接器部分)、手柄部和插入部组成。其中，连接部(连接器部分)用于与视频系统主体连接，通过显示器观察传递过来的图像，显示器上显示视频内窥镜前端安装的小型图像传感器(CCD等)捕捉的清晰图像；手柄部上装有上下左右控制内窥镜弯曲的角度旋钮，其内部 设有牵引绳，手柄部分通过控制牵引绳的移动来控制插入部在人体内的运动方向。可见，手柄部分并不直接进入人体，不会与人体组织产生直接接触。因此，为了减小内窥镜的抛弃成本，可以考虑实现对内窥镜手柄部分的回收利用。
而由于手柄部内置牵引绳，想要实现手柄部分的回收，必须提供一种可靠且便于连接于断开的牵引绳连接结构。
鉴于此，本发明的一个实施例，如图1至图3所示，提供了一种牵引绳连接结构1，该连接结构包括：第一磁性体11、第二磁性体12，所述第一磁性体11用于与第一侧牵引绳211连接，所述第二磁性体12用于与第二侧牵引绳221连接；
所述第一磁性体11和所述第二磁性体12相对布置，所述第一磁性体11和所述第二磁性体12相对面的磁性相反。
上述方案中通过第一磁性体11和第二磁性体12的连接实现两断开的牵引绳的连接。具体地，
将第一侧的牵引绳221固定连接于第一磁性体11上，将第二侧牵引绳221固定连接于第二磁性体12上。至于实现牵引绳与磁性体之间固定连接的方式，可以为粘接，铆接等常规方法，在此不做限制。
所述第一磁性体11和所述第二磁性体12相对面的磁性相反。根据磁性体异性相吸的特性，使第一磁性体11和第一磁性体11连接为一体，进而实现两侧牵引绳的连接。所述第一磁性体11和所述第二磁性体12之间的磁力大于牵引线拉动内窥镜插入部探头实现转动所需的力。
所述第一磁性体11和所述第二磁性体12可以为永磁体和/或电磁体，所述第一磁性体11和所述第二磁性体12的形状可以为可以为条形磁性体、圆片磁性体、环形磁性体或其他形状的磁性体，在此不做限制。
通过上述实现两牵引绳连接的结构，使用者仅需将所述第一磁性体11和第二磁性体12靠近并处于相对位置，便可实现两牵引绳211、221的自动连接；向将第一磁性体11和第二磁性体12向两侧用力拉，克服第一磁性体11和第二 磁性体12之间的磁力，便可实现两牵引绳的分离，结构简单，操作方便。
进一步地，所述牵引绳连接结构还包括锁定体13，所述第一磁性体11和/或所述第二磁性体12上设有锁定槽14；
所述锁定体13插入所述锁定槽14，可实现所述第一磁性体11和所述第二磁性体12的锁定。
上述方案中，为了进一步的保证第一磁性体11和第二磁性体12之间连接的牢固性，进一步地，设置了锁定体13和锁定槽14。其中：
可以将锁定槽14设置在第一磁性体11上，将锁定体13固定连接到第二磁性体12上，当第一磁性体11和第二磁性体12连接时，将锁定体13插入所述锁定槽14内，实现第一磁性体11和第二磁性体12的锁定；
也可以将锁定槽14设置在第二磁性体12上，将锁定体13固定连接到第一磁性体11上，当第一磁性体11和第二磁性体12连接时，将锁定体13插入所述锁定槽14内，实现第一磁性体11和第二磁性体12的锁定；
还可以在第一磁性体11和第二磁性体12上均设置锁定槽14，所述锁定体13单独设置，当第一磁性体11和第二磁性体12连接时，将锁定体13插入所述两个锁定槽14内，实现第一磁性体11和所述第二磁性体12的锁定。
进一步地，所述牵引绳连接结构还包括结合体15，所述结合体15内设有相交的第一通道151和第二通道152，所述第一通道151贯穿所述结合体15，所述锁定体13容置于所述第二通道152内，并可在所述第二通道152内滑动；
所述第一磁性体11和所述第二磁性体12中的一者固定连接于所述第一通道151的一端，所述第一磁性体11和所述第二磁性体12中的另一者可通过所述第一通道151的另一端进入所述第一通道151中；
或所述第一磁性体11和所述第二磁性体12中的一者位于所述第一通道151的一端且与所述结合体15一体成型，所述第一磁性体11和所述第二磁性体12中的另一者可通过所述第一通道151的另一端进入所述第一通道151中。
为了保证第一磁性体11和第二磁性体12之间连接的可靠性，上述方案中，进一步设置了结合体15，其中结合体15内设有相交的第一通道151和第二通道152。优选地，第一通道151和第二通道152呈T型设置，第一通道151贯穿所述结合体15。
下面，如图3所示，对上述连接结构的连接原理进行具体说明。其中图3(a)中箭头代表第二磁性体的运动方向：将结合体15第一通道151的一端与第一磁性体11固定连接(也可以将第一磁性体11与所述结合体15一体成型，并且第一磁性体11位于第一通道151的一端)，使得第一磁性体11上与第二磁性体12相结合的一面位于第一通道151内，结合体15与第一磁性体11同步运动。当第二磁性体12因受到第一磁性体11的磁力被吸引时，在第一通道151的引导作用下，第二磁性体12从第一通道151的另一端进入所述结合体15，并与第一磁性体11连接。此时，第二磁性体12上的锁定槽14正对第二通道152，位于第二通道152内的锁定体13进入所述锁定槽14内，实现第一磁性体11和第二磁性体12的锁定。
当然(未图示)，也可以将结合体15第一通道151的一端与第二磁性体12固定连接(也可以将第二磁性体12与所述结合体15一体成型，并且第二磁性体12位于第一通道151的一端)，使得第二磁性体12上与第一磁性体11相结合的一面位于第一通道151内，结合体15与第二磁性体12同步运动。当第一磁性体11因受到第二磁性体12的磁力被吸引时，在第一通道151的引导作用下，第一磁性体11从第一通道151的另一端进入所述结合体15，并与第二磁性体12连接。此时，第一磁性体11上的锁定槽14正对第二通道152，位于第二通道152内的锁定体13进入所述锁定槽14内，实现第一磁性体11和第二磁性体12的锁定。
上述方案中，通过设置结合体15，不仅为第一磁性体11和第二磁性体12的连接起引导作用，同时还将锁定体13、第一磁性体11、第二磁性体12结合为一个整体模块，连接后的第一磁性体11、第二磁性体12和锁定体13均位于 结合体15中，实现了牵引绳连接结构的模块化。
进一步地，所述牵引绳连接结构包括驱动体16，所述驱动体16容置于所述第二通道152内；当所述第一磁性体11和所述第二磁性体12在所述第一通道151内连接时，所述驱动体16可驱动所述锁定体13可进入所述锁定槽14内。
在本发明的一个实施例中，所述锁定体13为永磁体，所述驱动体16为可变极性磁性体。
上述方案中，在第二通道152内进一步设置了用于驱动锁定体13在第二通道152内来回运动的驱动体16。其中，所述驱动体16实现锁定体13在第二通道152内来回运动的方式有多种。如可以为接触式的驱动方式(如机械驱动方式)，也可以为非接触式的驱动方式(如电磁驱动方式)。
优选地，所述锁定体13采用非接触式的驱动方式。如将所述锁定体13设置为永磁体，将所述驱动体16设置为可变极性的磁性体，如电磁体。在所述驱动体16内为正向电流的状态下，所述驱动体16和锁定体13相对面之间的磁性相反，从而所述驱动体16将所述锁定体13吸引；当所述驱动体16内为反向电流的状态下，所述驱动体16和锁定体13相对面之间的磁性相通，从而所述驱动体16将所述锁定体13排斥，使所述锁定体13沿着第二通道152进入锁定槽14内，实现第一磁性体11和第二磁性体12的锁定。优选地，还可以在所述锁定体13和驱动体16之间设置连接弹簧或者连接绳(未图示)，以防止驱动体16磁性消失的情况下，锁定体13从第一通道151和第二通道152的相交口掉落。
当然，所述实现锁定体13和驱动体16之间无接触驱动的方式还可以为其他方式，如所述锁定体13为通道的导向，所述驱动体16为电磁体，锁定体13位于驱动体16的磁场范围内，通过改变驱动体16中电流的方向，实现锁定体13运动方向的控制。
在本发明的一个实施例中，所述第一磁性体11和所述第二磁性体12均为 可变极性磁性体。
上述方案中，当需要将第一磁性体11和第二磁性体12的相对面连接时，将两则相对面的磁性设置为异性，如将第一磁性体11面向第二磁性体12的一端设置为S极，将第二磁性体12面向第一磁性体11的一端设置为N极。
当需要将第一磁性体11和第二磁性体12的相对面分开时，将两则相对面的磁性设置为同性。如将改变第一磁性体11面向第二磁性体12的一端的极性，或者改变将第二磁性体12面向第一磁性体11的一端的极性，使两者均呈S极或者均呈N极。
本发明的另一个实施例，提供一种内窥镜，如图4至图6所示，所述内窥镜包括内窥镜主体2、前述的牵引绳连接结构1；所述内窥镜主体2包括可拆卸连接的手柄部21和插入部22，所述手柄部21设有第一侧牵引绳211，所述插入部22设有第二侧牵引绳221；
所述第一侧牵引绳211与所述第一磁性体11固定连接，所述第二侧牵引绳221与所述第二磁性体12固定连接；通过所述第一磁性体11和所述第二磁性体12的连接，实现所述第一侧牵引绳211和第二侧牵引绳221的连接。
现有技术中，已有将内窥镜主体2的手柄部21和插入部22可拆卸设置，实现对内窥镜手柄部21的部分回收。但是，存在的问题是，现有技术中实现手柄部21和插入部22的牵引绳连接的结构复杂，操作不便。基于此，上述方案中，提供了一种内窥镜，其采用前述的牵引绳连接结构1实现内窥镜手柄部21和插入部22的牵引绳211、221连接。
与现有技术相比，采用第一磁性体11和第二磁性体12的牵引绳连接结构，结构简单，使用时，仅需要将手柄部21和插入部22处于相对位置，便可实现手柄部21牵引绳(即第一侧牵引绳211)和插入部22牵引绳(即第二侧牵引绳221)的直接连接；使用者仅需向两侧用力拉，克服第一磁性体11和第二磁性体12之间的磁力，便可实现两者的分离，操作简单方便，大大节约了使用者的装卸时间。
进一步地，所述锁定体13和驱动体16的设置，进一步保证了第一侧牵引绳211和第二侧牵引绳221之间的连接可靠性。
进一步地，所述手柄部21设有第一容纳腔212，所述插入部22设有第二容纳腔222，所述第一磁性体11容置于所述第一容纳腔212内，所述第二磁性体12容置于所述第二磁性腔内；
所述第一侧牵引绳211的带动下，所述第一磁性体11可在所述第一容纳腔212内滑动，所述第二磁性体12可在所述第二容纳腔222内滑动。
上述方案中，当手柄部21的第一磁性体11和插入部22的第二磁性体12连接时，第一容纳腔212和第二容纳腔222正好相对，形成了一个更大的容纳腔室(记为第三容纳腔)；当手柄部21的卷绕轮转动时，拉动相应侧的牵引绳，所述牵引绳连接结构随着牵引绳在第三容纳腔内运动，实现内窥镜插入部22前端的方向变化。
进一步地，在所述第一容纳腔212的底部设置一供第一侧牵引绳211穿过的通孔，在第二容纳腔222的底部设置一供第二牵引绳穿过的通孔。
同理，在手柄部21和插入部22中均设有用于实现远端相机模块信号传输的图像信号传输线，用于实现LED照明信号传输的电信号传输线。
对于实现手柄部21中的电信号传输线和插入部22的电信号传输线连接的结构，与上述牵引线连接结构原理相同；即手柄部的电信号传输线和插入部22的电信号传输线也是通过两异性磁性体吸引的方式实现连接；实现电信号传输线连接的两磁性体分别位于第四容纳腔213和第五容纳腔223中。
对于实现手柄部21中的图像信号传输线和插入部22的图像信号传输线的连接结构，与上述牵引线连接原理相同，即手柄部的图像信号传输线和插入部22的图像信号传输线也是通过两异性磁性体吸引的方式实现连接；实现图像信号传输线连接的两磁性体分别位于第六容纳腔214和第七容纳腔224中。
在本发明的一个实施例中，如图7所示，所述内窥镜还包括保护罩3，所述保护罩3可拆卸地设置于所述内窥镜主体2上，所述保护罩3的开口部面向 所述手柄部21，所述保护罩3可至少将所述内窥镜的手柄部21罩住。
上述方案中，所述保护罩3的开口部面向所述内窥镜主体2的手柄，所述保护罩3可至少将所述内窥镜的手柄部21罩住。
上述方案中的保护罩3可拆卸地连接到内窥镜的手柄部21上，优选地将所述保护罩3连接到内窥镜插入部22靠近手柄部21的位置。使用时，可以将手柄部21以及手柄部21上的信号线等整体套接，避免手柄部21及信号线等被污染。使用后将所述保护罩3从手柄部21上拆卸下来，并可作为器械管、插入部22等已污染部件的容器，整体丢弃。
本发明的另一个实施例，提供一种前述的内窥镜的回收方法，该方法包括如下步骤：
步骤S01：将所述内窥镜主体2的手柄部21和插入部22分离；
步骤S02：将所述牵引绳连接结构的第一磁性体11和第二磁性体12分离；
步骤S03：将分离出的手柄部21和第一磁性体11消毒后单独回收。
上述回收方法，将内窥镜的手柄部21和插入部22分开处理，其中拆卸后的手柄部21进一步回收利用，进入人体的插入部22及其余部分做废弃处理，在保证内窥镜卫生、避免交叉感染的同时，大大降低了内窥镜抛弃成本。
以上所述仅为本发明的较佳实施例而已，并不用以限制本发明，凡在本发明的精神和原则之内所作的任何修改、等同替换和改进等，均应包含在本发明的保护范围之内。

Claims (10)

  1. 一种牵引绳连接结构(1)，其特征在于，包括：第一磁性体(11)、第二磁性体(12)，所述第一磁性体(11)用于与第一侧牵引绳(211)连接，所述第二磁性体(12)用于与第二侧牵引绳(221)连接；
    所述第一磁性体(11)和所述第二磁性体(12)相对布置，所述第一磁性体(11)和所述第二磁性体(12)相对面的磁性相反。
  2. 如权利要求1所述的牵引绳连接结构，其特征在于，还包括锁定体(13)、所述第一磁性体(11)和/或所述第二磁性体(12)上设有锁定槽(14)；
    所述锁定体(13)插入所述锁定槽(14)，可实现所述第一磁性体(11)和所述第二磁性体(12)的锁定。
  3. 如权利要求2所述的牵引绳连接结构，其特征在于，还包括结合体(15)，所述结合体(15)内设有相交的第一通道(151)和第二通道(152)，所述第一通道(151)贯穿所述结合体(15)，所述锁定体(13)容置于所述第二通道(152)内，并可在所述第二通道(152)内滑动；
    所述第一磁性体(11)和所述第二磁性体(12)中的一者固定连接于所述第一通道(151)的一端，所述第一磁性体(11)和所述第二磁性体(12)中的另一者可通过所述第一通道(151)的另一端进入所述第一通道(151)中；
    或所述第一磁性体(11)和所述第二磁性体(12)中的一者位于所述第一通道(151)的一端，且与所述结合体(15)一体成型，所述第一磁性体(11)和所述第二磁性体(12)中的另一者可通过所述第一通道(151)的另一端进入所述第一通道(151)中。
  4. 如权利要求3所述的牵引绳连接结构，其特征在于，还包括驱动体(16)，所述驱动体(16)容置于所述第二通道(152)内；当所述第一磁性体(11)和所述第二磁性体(12)在所述第一通道(151)内连接时，所述驱动体(16)可驱动所述锁定体(13)可进入所述锁定槽(14)内。
  5. 如权利要求4所述的牵引绳连接结构，其特征在于，所述锁定体(13) 为永磁体，所述驱动体(16)为可变极性磁性体。
  6. 如权利要求1所述的牵引绳连接结构，其特征在于，所述第一磁性体(11)和所述第二磁性体(12)均为可变极性磁性体。
  7. 一种内窥镜，其特征在于，包括内窥镜主体(2)、如权利要求1-6之一所述的牵引绳连接结构；所述内窥镜主体(2)包括可拆卸连接的手柄部(21)和插入部(22)，所述手柄部(21)设有第一侧牵引绳(211)，所述插入部(22)设有第二侧牵引绳(221)；
    所述第一侧牵引绳(211)与所述第一磁性体(11)固定连接，所述第二侧牵引绳(221)与所述第二磁性体(12)固定连接；通过所述第一磁性体(11)和所述第二磁性体(12)的连接，实现所述第一侧牵引绳(211)和第二侧牵引绳(221)的连接。
  8. 如权利要求7所述的内窥镜，其特征在于，所述手柄部(21)设有第一容纳腔(212)，所述插入部(22)设有第二容纳腔(222)，所述第一磁性体(11)容置于所述第一容纳腔(212)内，所述第二磁性体(12)容置于所述第二容纳腔(222)内；
    所述第一侧牵引绳(211)的带动下，所述第一磁性体(11)可在所述第一容纳腔(212)内滑动，所述第二磁性体(12)可在所述第二容纳腔(222)内滑动。
  9. 如权利要求7所述的内窥镜，其特征在于，还包括保护罩(3)，所述保护罩(3)可拆卸地设置于所述内窥镜主体(2)上，所述保护罩(3)的开口部面向所述手柄部(21)，所述保护罩(3)可至少将所述内窥镜的手柄部(21)罩住。
  10. 一种如权利要求7-9之一所述的内窥镜的回收方法，其特征在于，包括如下步骤：
    步骤S01：将所述内窥镜主体(2)的手柄部(21)和插入部(22)分离；
    步骤S02：将所述牵引绳连接结构的第一磁性体(11)和第二磁性体(12) 分离；
    步骤S03：将分离出的手柄部(21)和第一磁性体(11)消毒后单独回收。
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