CN103505176B - Length-adjustable endoscope sheath with disposable locking mechanism - Google Patents

Length-adjustable endoscope sheath with disposable locking mechanism Download PDF

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Publication number
CN103505176B
CN103505176B CN201310432896.6A CN201310432896A CN103505176B CN 103505176 B CN103505176 B CN 103505176B CN 201310432896 A CN201310432896 A CN 201310432896A CN 103505176 B CN103505176 B CN 103505176B
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mirror
sheath
endoscope
sleeve
locking
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CN201310432896.6A
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CN103505176A (en
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杨卫华
王鸥
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天津博朗科技发展有限公司
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Abstract

本发明涉及具有一次性锁紧机构的可调节长度的内窥镜镜鞘,包括一次性锁紧结构和伸缩密封机构,一次性锁紧结构位于内窥镜镜鞘尾部,伸缩密封机构位于内窥镜镜鞘腔体中;所述一次性锁紧结构包括镜鞘、中层套、锁紧套、镜鞘与内窥镜的接口,中层套和锁紧套在接口处套在镜鞘上将内窥镜进行锁紧;所述伸缩密封机构包括镜管、软管和镜桥,所述镜管置于内窥镜镜鞘内,为内窥镜的镜体通道,软管在未受力的情况下内径比镜管小,镜桥上套镜管的位置直径比镜管直径大;软管一端套在镜桥上,另一端套在镜管上,并且镜管插入镜桥内腔中,三者连接部分呈密封状态。 The present invention relates to a disposable sheath of the endoscope locking mechanism may be adjustable in length, comprising a locking structure and a disposable retractable sealing mechanism, the disposable locking structure is located in the tail of the endoscope sheath, the sealing means is located within the telescopic endoscopic sheath mirror cavity; said locking structure comprises a mirror disposable sheath, the middle sleeve, locking sleeve, sheath and the endoscope lens interface, the middle sleeve and locking sleeve in the sleeve at the interface on sheath for locking the endoscope; seal the telescoping mechanism includes a mirror tube, hose and bridges mirror, the mirror tube of the endoscope is placed intrathecally, the scope of the endoscope channel, unstressed hose an inner diameter smaller than the case where the mirror tube, the position of the mirror bridge sleeve diameter larger than the diameter of the tube mirrors the mirror tunnel; the bridge end of the hose sleeve in the mirror, the mirror on the other end of the sleeve in the tube, and the tube was inserted in the lumen of the mirror bridge, three connecting portions was sealed state. 本发明设计的内窥镜鞘结构简单可靠,并利于实际生产。 The endoscope sheath of the present invention is designed for simple and reliable structure, and facilitates the actual production.

Description

具有一次性锁紧机构的可调节长度的内窥镜镜鞘 A disposable locking mechanism of the adjustable length of the sheath of the endoscope

技术领域 FIELD

[0001] 本发明涉及一种医疗器械,尤其是涉及一种既可具有自毁式锁紧装置又可以根据内窥镜型号不同调节长度的内窥镜镜鞘。 [0001] The present invention relates to a medical instrument, particularly to a self-destruct both having the endoscope sheath locking device of adjustable length and may be different according to the model of the endoscope.

背景技术 Background technique

[0002] 在常规的膀胱镜手术器械及宫腔镜手术器械中都是以非一次性的不锈钢手术器械为主。 [0002] In all the main non-disposable stainless steel surgical instruments in a conventional cystoscope hysteroscopic surgical instruments and surgical instrument. 而同时不锈钢的金属手术器械由于造价及成本较高同时也是非一次性的器械,而为了预防交叉感染、更为干净的一次性鞘应运而生。 Stainless steel while the metal surgical instruments due to the high cost and the cost is also non-disposable instruments, and in order to prevent cross-infection, much cleaner disposable sheath emerged. 其特点在于可以免于消毒,不仅卫生、而且节省时间、省去了消毒的过程。 Which is characterized exempt from sterilization, not only health, but also save time, eliminating the sterilization process. 然而一次性医疗器械的最大风险是被重复使用造成感染,如何防止和避免这些一次性内窥镜附件被有意或无意的重复使用,是目前一次性新产品面临的新问题。 But the biggest risk of disposable medical devices that are used repeatedly cause infection and how to prevent and avoid these disposable endoscopic accessories - intentional or unintentional re-use, disposable is the new issue currently facing the new product. 另外,一次性内窥镜镜鞘要求对内窥镜实施完全的密封,而不同品牌的内窥镜长短可能会有细微的差别,如何保证不同长度内窥镜的密封也是急需解决的问题。 Further, the endoscope disposable endoscope sheath of claim complete sealing embodiment, the length of the endoscope and different brands may be slightly different, how to ensure that different lengths of the endoscope seal is an urgent problem.

[0003] 本专利申请人在专利102293628A中披露了一种自毁式锁镜装置,专利202218866U中披露了一种带有可伸缩镜桥的一次性内窥镜镜鞘,但这些结构形式都比较复杂,不仅不利于医生操作,而且不利于实际的工业大规模化生产。 [0003] The present applicant disclosed in the patent 102293628A a self-destructive lock mirror device 202218866U patent discloses a disposable retractable mirror bridge with one kind of the endoscope sheath, but these are more structure complex and not conducive to doctors to operate, and not conducive to actual industrial large-scale production.

发明内容 SUMMARY

[0004] 本发明要解决的问题是提供具有一次性锁紧机构的可调节长度的内窥镜镜鞘,确保与内窥镜连接使用一次性内窥镜附件被重复使用问题,并能适用于不同长度的内窥镜。 [0004] The problem to be solved of the present invention is to provide a disposable endoscope sheath mirror can adjust the length of the locking mechanism to ensure that the endoscope connected to the endoscope using a disposable accessory is repeated use of, and can be applied to endoscopes of different lengths.

[0005] 为解决上述技术问题,本发明采用的技术方案是: [0005] To solve the above technical problem, the technical solution adopted by the invention are:

[0006] 具有一次性锁紧机构的可调节长度的内窥镜镜鞘,包括一次性锁紧结构和伸缩密封机构,一次性锁紧结构位于内窥镜镜鞘尾部,伸缩密封机构位于内窥镜镜鞘腔体中;所述一次性锁紧结构包括镜鞘、中层套、锁紧套、镜鞘与内窥镜的接口,中层套和锁紧套在接口处套在镜鞘上将内窥镜进行锁紧;所述镜鞘与内窥镜的接口呈左右两端宽、上下窄的形状,接口上有定位槽;镜鞘的一端设有定位圆销;中层套上设有保险开关;锁紧套的一端在圆上有两个挡边。 [0006] a disposable locking mechanism adjustable length of the endoscope sheath, and a locking structure including a disposable retractable sealing mechanism, the disposable locking structure is located in the tail of the endoscope sheath, the sealing means is located within the telescopic endoscopic sheath mirror cavity; said locking structure comprises a mirror disposable sheath, the middle sleeve, locking sleeve, sheath and the endoscope lens interface, the middle sleeve and locking sleeve in the sleeve at the interface on sheath for locking the endoscope; the endoscope sheath of the mirror right and left ends of the interface as a wide, narrow shape of the upper and lower, a positioning groove on the interface; sheath end provided with a positioning pin circle; middle sleeve is provided with a safety switch ; end of the locking sleeve has two ribs on the circle. 所述伸缩密封机构包括镜管、软管和镜桥,所述镜管置于内窥镜镜鞘内,为内窥镜的镜体通道,软管在未受力的情况下内径比镜管小,镜桥上套镜管的位置直径比镜管直径大;软管一端套在镜桥上,另一端套在镜管上,并且镜管插入镜桥内腔中,三者连接部分呈密封状态。 The sealing means comprises a telescopic lens tubes, hoses and the mirror bridge, the mirror tube of the endoscope is placed intrathecally, the scope of the endoscope channels, in the case of the hose inner diameter than the unstressed mirror tube small diameter position, the bridge sleeve mirror lens mirror tube is larger than the diameter tube; bridge end of the hose sleeve in the mirror, the mirror on the other end of the sleeve in the tube, and the tube was inserted in the lumen of the mirror bridge, three connecting portions was sealed status.

[0007] 上述一次性锁紧结构锁紧后通常是在70-110°区间旋转,但不限于此度数。 [0007] The disposable locking structure is typically rotated in the locking range 70-110 °, but is not limited thereto degrees.

[0008] 上述一次性锁紧结构是通过两个复合棘轮的原理实现的,两个棘轮互为反方向。 [0008] The disposable locking structure is achieved by the principle of two composite ratchet, the ratchet two mutually opposite directions. 通过控制锁紧方向的行程,当锁紧的行程使用后边不可以继续旋转即不可以重复的旋转使用。 By controlling the direction of the stroke of the lock, when the lock can not travel back using not repeated i.e. further rotation of the rotary use. 产品旋转示意步骤参见附图1,产品松开锁紧后不可以旋转,或只可以少量旋转但可以退回。 Referring to the drawings a schematic rotation product Step 1, the product can not release the lock rotated, or only a small amount of rotation but can be returned.

[0009] 上述伸缩密封机构的镜管、软管和镜桥软管三者密封连接后,软管通过变形抱紧镜桥,镜管穿过软管插入镜桥内。 [0009] The sealing means of the telescopic lens tubes, hoses and hose three mirrors bridge connecting the sealing hose by deforming mirror hold the bridge, through the hose is inserted into the lens mirror tube bridge. 软管套在镜桥上的直径比镜管的直径大,且套在镜管上的面积是完全包覆的,只要稍稍控制两个直径间的尺寸,同时控制套在镜桥及镜管上软管的长短,就可以将套在镜桥上的摩擦力大的一端定义为固定端,同时另一端为密封端可伸缩不受影响。 Hose cover the mirror bridge a larger diameter than the mirror tube and the sleeve tube on the mirror area is completely covered, as long as the little control of the size between the two diameters, while the control sleeve in the tube Mount & the length of the hose, the mirror can be set in one end of the bridge a large frictional force is defined as a fixed end while the other end is sealed ends scalable unaffected. 这样软管套在镜桥上的摩擦力大于软管与镜管的摩擦力,镜管可以在镜桥上密封滑动。 Such hose cover the mirror bridge friction is greater than the frictional force of the hose tube and the mirror, the mirror in the mirror tube may be sealed slidable bridge.

[0010] 进一步,所述镜管为钢管。 [0010] Further, the mirror tube is a steel tube.

[0011] 进一步,所述软管为塑料软管。 [0011] Further, the plastic hose is a hose.

[0012] 进一步,上文所述的内窥镜镜鞘为多种类型的内窥镜镜鞘,如膀胱镜镜鞘、宫腔镜镜鞘等。 [0012] Further, the endoscope sheath of the above plurality of types of the endoscope sheath, such as sheath mirror cystoscopy, hysteroscopy Sheath like.

[0013] 本专利主要是对内窥镜接口进行锁紧,适用于相同接口的不同品牌的内窥镜。 [0013] This patent is mainly locked endoscope interface for different brands of the same interface of an endoscope. 上述接口形式是内窥镜及手术器械业内龙头,如德国卡尔史托斯(storz)公司最早设计采用的。 And said interface is an endoscopic surgical instrument in the form of the leading industry, such as Karl Storz (Storz) design uses the first company. 一直以来其它公司一直跟随storz公司,大多数都采用这种形式的接口,用来和各种手术器械相配。 The company has always been to follow storz other companies, most have adopted this form of interfaces for a variety of surgical instruments and match. 窥镜类型除较大的腹腔镜、喉镜一般不采用,其它的如膀胱镜、宫腔镜、鼻窦镜、耳镜、膝关节镜都适用。 In addition to the type of laparoscopic larger endoscope, laryngoscope is generally not used, such as other cystoscopy, hysteroscopy, sinus mirror, otoscope, knee arthroscopy apply.

[0014] 上述一次性锁紧结构具体的使用方式详见实施例的描述。 [0014] The specific configuration of the one-time use locking detailed description of the embodiments.

[0015] 本发明具有的优点和积极效果是:本发明设计的内窥镜鞘的一次性锁紧结构适应一次性产品的特点,能够有效防止和避免这些一次性内窥镜附件被有意或无意的重复使用;并且内窥镜镜鞘可以通过其伸缩密封机构调整不同工作长度的内窥镜与镜鞘的配合,内窥镜在镜鞘中可以保证最佳工作位置。 [0015] The present invention has advantages and positive effects are: the endoscope sheath of the present invention is designed to adapt to the characteristics of a disposable locking structure of disposable products, which can effectively prevent and avoid disposable endoscopic accessory is intentionally or unintentionally reuse; the endoscope and the sheath can be adjusted with different sheath endoscope working length of the telescopic seal mechanism through which the endoscope sheath may be in the mirror to ensure optimum working position. 该结构的内窥镜镜鞘结构简单可靠,并利于实际生产。 The endoscope sheath structure mirrors the structure is simple and reliable, and facilitates the actual production.

附图说明 BRIEF DESCRIPTION

[0016]图1是内窥镜鞘的一次性锁紧结构工作原理图; [0016] FIG. 1 is a disposable endoscope sheath operating principle locking structure;

[0017] 图2是镜鞘的结构示意图; [0017] FIG. 2 is a schematic view mirror sheath;

[0018] 图3是中层套的结构示意图; [0018] FIG. 3 is a schematic view of the middle sleeve;

[0019] 图4是锁紧套的结构示意图; [0019] FIG. 4 is a schematic view of the locking sleeve;

[0020] 图5是接口的结构示意图; [0020] FIG. 5 is a schematic structural diagram of the interface;

[0021] 图6是锁紧套挡边的结构示意图; [0021] FIG. 6 is a schematic view of the locking sleeve flange;

[0022] 图7是保险开关的结构示意图; [0022] FIG. 7 is a schematic view of the safety switch;

[0023]图8内窥镜鞘的伸缩密封机构的立体局部剖视示意图。 [0023] a perspective partially retractable sealing mechanism 8 of the endoscope sheath cross-sectional view of FIG.

[0024] 图中: [0024] In the drawings:

[0025] 1、镜鞘2、中层套 3、锁紧套 [0025] 1, 2 Sheath middle sleeve 3, locking sleeve

[0026] A、接口1A、定位圆销3A、挡边 [0026] A, the interface 1A, the cylindrical positioning pin 3A, flange

[0027] 4A定位槽2A、保险开关5、镜管 [0027] 4A locating groove. 2A, cutout 5, the mirror tube

[0028] 6、软管7、镜桥 [0028] 6, tube 7, the bridge mirror

具体实施方式 Detailed ways

[0029] 具有一次性锁紧机构的可调节长度的内窥镜镜鞘,包括一次性锁紧结构和伸缩密封机构,一次性锁紧结构位于内窥镜镜鞘尾部,伸缩密封机构位于内窥镜镜鞘腔体中;所述一次性锁紧结构包括镜鞘1、中层套2、锁紧套3、镜鞘与内窥镜的接口A,中层套和锁紧套在接口处套在镜鞘上将内窥镜进行锁紧;所述镜鞘与内窥镜的接口A呈左右两端宽、上下窄的形状,接口上有定位槽4A ;镜鞘的一端设有定位圆销IA ;中层套上设有保险开关2A ;锁紧套3的一端在圆上有两个挡边3A ; [0029] a disposable locking mechanism adjustable length of the endoscope sheath, and a locking structure including a disposable retractable sealing mechanism, the disposable locking structure is located in the tail of the endoscope sheath, the sealing means is located within the telescopic endoscopic sheath mirror cavity; the disposable sheath locking structure comprises a mirror 1, the middle sleeve 2, the locking sleeve 3, the endoscope sheath mirror interface a, the middle sleeve and sleeve-lock the mirror at the interface locking the sheath on the endoscope; the endoscope sheath of the mirror was left and right ends of the interface a wide, narrow shape of the upper and lower, a positioning groove 4A interface; sheath end provided with a positioning pin circle IA; the middle sleeve is provided with a safety switch. 2A; end of locking sleeve 3 has two ribs on the circle 3A;

[0030] 所述伸缩密封机构包括镜管5、软管6和镜桥7,所述镜管5置于内窥镜镜鞘内,为内窥镜的镜体通道,其中软管6在未受力的情况下内径比镜管5小,镜桥7上套镜管5的位置直径比镜管5直径大;软管6 —端套在镜桥7上,另一端套在镜管5上,并且镜管5插入镜桥7内腔中,三者连接部分呈密封状态。 [0030] The sealing means comprises a telescopic lens tube 5, the hose 6 and the mirror 7 bridge, the mirror tube of the endoscope 5 is placed intrathecally, the scope of the endoscope channels, wherein the hose 6 is not a case where the force is smaller than the inner diameter of the mirror tunnel 5, the bridge 7 on the set of mirrors mirror the position of the tube diameter of the mirror 5 is larger than the diameter of the tube 5; hose 6 - end of the bridge sleeve 7 on the mirror, the other end of the sleeve tube on the mirror 5 , and lens mirror tube 5 is inserted into the lumen of the bridge 7, the three connecting portions was sealed state.

[0031] 具体使用过程如下: [0031] The specific use of the following procedure:

[0032] 首先将产品接口部分放入到锁紧套当中,接口呈左右两端宽、上下窄。 [0032] The product is first placed in the interface section locking sleeve which, at both ends of the interface was left wide, the upper and lower narrow. 同时锁紧套的一端在圆上有两个挡边3A,插入时锁紧套的形状与接口形状相符插入。 While one end of the locking sleeve has two ribs 3A, when the locking sleeve is inserted into a shape conforming to the shape of the interface is inserted on the circle. 插入后定位圆销通过定位槽对将要锁紧的产品进行定位。 After inserting a positioning pin to position the round to be locked by the positioning groove products. 锁紧套旋转后与接口重合,由于是螺旋旋转重合,旋转90°左右时重合,按压住内窥镜的接口即完成锁紧。 After the rotation of the locking sleeve coincides with the interface, since the helical rotation coincident rotation coincides approximately 90 °, held down to complete the locking of the endoscope interface.

[0033] 使用前需要将保险开关2A推倒,由于保险开关对锁紧套进行了限制,在保险开关未被推到前产品是不可以旋转移动的。 [0033] before using the safety switch down 2A, since the cutout of the locking sleeve has been restricted, the safety switch is not pressed against the front of the product is not a rotational movement. 保险开关打开后,此时内窥镜被锁进产品已经放入,或者即将放入,将保险开关推至根部,保险开关上有旋转锁紧套,此时跟随着锁紧套上的螺旋槽与定位圆销IA相互配合,使得锁紧套在旋转时由螺旋槽限制其位移位置,当旋转至两个挡边横过来、位移90°左右时,即完成锁紧。 After the safety switch is opened, the endoscope is locked at this time the product has been placed, or will be put into the safety switch to the root, the rotation locking sleeve cutout, when the locking sleeve follow a helical groove IA with the positioning pin cooperating circle, so that the locking sleeve to limit its displaced position by the helical groove during the rotation, when rotated to cross over the two ribs, when the displacement of about 90 °, i.e., to complete the locking. 锁紧的旋转使用角度根据产品的尺寸差别或有所变化。 Locking the rotation angle using the product according to the size difference or change. 当产品一次锁紧后通常是在70-110°区间旋转,但不限于此度数。 When a product is usually locked at 70-110 ° rotation section, but is not limited thereto degrees.

[0034]伸缩密封机构中的镜管、软管和镜桥软管三者密封连接后,软管通过变形抱紧镜桥,镜管穿过软管插入镜桥内。 The [0034] sealing means telescopic lens tubes, hoses and hose three mirrors after a sealed connection bridge, the bridge through the deformable mirror hold the hose, the hose is inserted into the tube passes through the mirror glass bridge. 软管套在镜桥上的直径比镜管的直径大,且套在镜管上的面积是完全包覆的,只要稍稍控制两个直径间的尺寸,同时控制套在镜桥及镜管上软管的长短,就可以将套在镜桥上的摩擦力大的一端定义为固定端,同时另一端为密封端、可伸缩不受影响。 Hose cover the mirror bridge a larger diameter than the mirror tube and the sleeve tube on the mirror area is completely covered, as long as the little control of the size between the two diameters, while the control sleeve in the tube Mount & the length of the hose, the mirror can be set in one end of the bridge a large frictional force is defined as a fixed end while the other end is sealed ends, scalable unaffected. 这样软管套在镜桥上的摩擦力大于软管与镜管的摩擦力,镜管可以在镜桥上密封滑动。 Such hose cover the mirror bridge friction is greater than the frictional force of the hose tube and the mirror, the mirror in the mirror tube may be sealed slidable bridge.

[0035] 以上对本发明的一个实施例进行了详细说明,但所述内容仅为本发明的较佳实施例,不能被认为用于限定本发明的实施范围。 [0035] The one or more embodiments of the present invention will be described in detail, but only for the preferred embodiments of the present invention, not to be considered to define the scope of the present invention. 凡依本发明申请范围所作的均等变化与改进等,均应仍归属于本发明的专利涵盖范围之内。 Where alterations of improvement under this scope of application of the invention made by the patent shall yet fall within the scope of the present invention.

Claims (5)

1.具有一次性锁紧机构的可调节长度的内窥镜镜鞘,其特征在于:包括一次性锁紧结构和伸缩密封机构,一次性锁紧结构位于内窥镜镜鞘尾部,伸缩密封机构位于内窥镜镜鞘腔体中;所述一次性锁紧结构包括镜鞘、中层套、锁紧套、镜鞘与内窥镜的接口,中层套和锁紧套在接口处套在镜鞘上将内窥镜进行锁紧;所述镜鞘与内窥镜的接口呈左右两端宽、上下窄的形状,接口上有定位槽;镜鞘的一端设有定位圆销;中层套上设有保险开关;锁紧套的一端在圆上有两个挡边;所述伸缩密封机构包括镜管、软管和镜桥,所述镜管置于内窥镜镜鞘内,为内窥镜的镜体通道,软管在未受力的情况下内径比镜管小,镜桥上套镜管的位置直径比镜管直径大;软管一端套在镜桥上,另一端套在镜管上,并且镜管插入镜桥内腔中,三者连接部分呈密封状态。 1. a disposable locking mechanism adjustable length of the sheath of the endoscope, characterized by: a locking structure and a disposable retractable sealing mechanism, the disposable locking structure is located in the tail of the endoscope sheath, retractable sealing mechanism the endoscope positioned in the sheath cavity; the disposable sheath locking structure comprises a mirror, the middle sleeve, locking sleeve, sheath and the endoscope lens interface, the middle sleeve and sleeve-lock at the interface in sheath locking on an endoscope; the endoscope sheath of the mirror right and left ends of the interface as a wide, narrow shape of the upper and lower, a positioning groove on the interface; sheath end provided with a positioning pin circle; middle sleeve is provided there cutout; end of the locking sleeve has two ribs on a circle; said seal means comprises a telescopic lens tubes, hoses and the mirror bridge, the mirror tube of the endoscope is placed intrathecally, endoscope mirror passage, the hose inner diameter smaller than the unstressed case of the mirror tube, the position of the mirror bridge sleeve diameter larger than the diameter of the tube mirrors the mirror tunnel; end of the hose sleeve in the mirror bridge, the other end of the sleeve in the mirror tube , the mirror and the tube was inserted in the lumen of the bridge, three connecting portions was sealed state.
2.根据权利要求1所述的具有一次性锁紧机构的可调节长度的内窥镜镜鞘,其特征在于:所述一次性锁紧结构锁紧后在70-110°区间旋转。 2. The adjustable length of the endoscope sheath of a disposable locking mechanism according to claim 1, wherein: said locking structure locking the disposable section rotated 70-110 °.
3.根据权利要求1所述的具有一次性锁紧机构的可调节长度的内窥镜镜鞘,其特征在于:所述镜管为钢管。 According to claim adjustable length of the endoscope sheath of a disposable locking mechanism of claim 1, wherein: said mirror is a steel pipe.
4.根据权利要求1所述的具有一次性锁紧机构的可调节长度的内窥镜镜鞘,其特征在于:所述软管为塑料软管。 4. The adjustable length of the endoscope sheath of a disposable locking mechanism according to claim 1, wherein: said tube is a plastic tube.
5.根据权利要求1-3任一项所述的具有一次性锁紧机构的可调节长度的内窥镜镜鞘,其特征在于:所述的内窥镜镜鞘为膀胱镜镜鞘或宫腔镜镜鞘。 According to claim adjustable length of the endoscope sheath of a disposable locking mechanism according to any one of claims 1-3, characterized in that: said sheath to the endoscope or cystoscope Sheath Palace sheath mirror.
CN201310432896.6A 2013-09-18 2013-09-18 Length-adjustable endoscope sheath with disposable locking mechanism CN103505176B (en)

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