CN103505176B - Length-adjustable endoscope sheath with disposable locking mechanism - Google Patents
Length-adjustable endoscope sheath with disposable locking mechanism Download PDFInfo
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- 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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Abstract
The invention relates to a length-adjustable endoscope sheath with a disposable locking mechanism. The length-adjustable endoscope sheath comprises a disposable locking structure and a retractable sealing mechanism, wherein the disposable locking structure is located on the tail portion of the endoscope sheath, and the retractable sealing mechanism is located in a cavity of the endoscope sheath. The disposable locking structure comprises an endoscope sheath body, a middle-layer sleeve, a locking sleeve and a connector of the endoscope sheath body and an endoscope, wherein the middle-layer sleeve and the locking sleeve are arranged on the endoscope sheath body at the port in a sleeved mode to lock the endoscope. The retractable sealing mechanism comprises an endoscope pipe, a soft pipe and an endoscope bridge, wherein the endoscope pipe is arranged in the endoscope sheath body and is an endoscope body channel of the endoscope, the inner diameter of the soft pipe is smaller than that of the endoscope pipe under the condition that the soft pipe is not stressed, the diameter of the position, sleeving the endoscope pipe, on the endoscope bridge is larger than that of the endoscope pipe, one end of the soft pipe is arranged on the endoscope bridge in a sleeved mode, the other end of the soft pipe is arranged on the endoscope pipe in a sleeved mode, the endoscope pipe is inserted into an inner cavity of the endoscope bridge, and the connection portions of the endoscope bridge, the endoscope pipe and the soft pipe are in a sealed state. The endoscope sheath is simple and reliable in structure and facilitates actual production.
Description
Technical field
The present invention relates to a kind of medical apparatus and instruments, especially relate to and a kind ofly not only can have type self-destroyed locking device but also can according to the endoscope sheath of endoscope's model different adjustment length.
Background technology
It is all the rustless steel operating theater instruments based on non-once in the cystoscope operating theater instruments and hysteroscope operation apparatus of routine.And simultaneously stainless metallic surgical instrument due to cost and cost higher while the also disposable apparatus of right and wrong, and in order to guard against cross infection, more clean disposible arises at the historic moment.Its feature is can in order to avoid sterilization, the process of not only health but also sterilization of saving time, eliminate.But the greateset risk of disposable medical instrument is reused to cause infection, how preventing and to avoid these disposable endoscope adnexaes to be reused by intentional or unintentional, is the new problem that current disposable new product faces.In addition, disposable endoscope mirror sheath requires that endoscope is implemented to seal completely, and endoscope's length of different brands may have fine distinction, how to ensure that the sealing of different length endoscope is also urgent problem.
Applicant discloses a kind of type self-destroyed lock lens device in patent 102293628A; a kind of disposable endoscope mirror sheath with telescopic mirror bridge is disclosed in patent 202218866U; but these versions all more complicated; not only bad for doctor's operation, and be unfavorable for that actual industrial-scaleization is produced.
Summary of the invention
The problem to be solved in the present invention is to provide the endoscope sheath of the adjustable length with disposable retaining mechanism, guarantees to be connected with endoscope to use disposable endoscope adnexa to be reused problem, and can be applicable to the endoscope of different length.
For solving the problems of the technologies described above, the technical solution used in the present invention is:
Have the endoscope sheath of the adjustable length of disposable retaining mechanism, comprise disposable lock locking structure and flexible sealing mechanism, disposable lock locking structure is positioned at endoscope sheath afterbody, and flexible sealing mechanism is arranged in endoscope sheath cavity; Described disposable lock locking structure comprises the interface of mirror sheath, middle level cover, lock sleeve, mirror sheath and endoscope, and middle level cover and lock sleeve are enclosed within mirror sheath at seam locks endoscope; The interface of described mirror sheath and endoscope is wide, the narrow up and down shapes in two ends, left and right, and interface has locating slot; One end of mirror sheath is provided with location round pin; Middle level puts and is provided with discharge cock; There are two ribs one end of lock sleeve on circle.Described flexible sealing mechanism comprises mirror pipe, flexible pipe and Jing Qiao, and described mirror pipe is placed in endoscope sheath, and be the mirror body passage of endoscope, flexible pipe internal diameter when not stressed is less than mirror pipe, and the position diameter of Jing Qiao upper cover mirror pipe is larger than mirror pipe diameter; Flexible pipe one end is enclosed within Jing Qiao, and the other end is enclosed within mirror pipe, and mirror pipe inserts in mirror bridge inner chamber, and three coupling part is sealing state.
Normally 70-110 ° of interval rotation after above-mentioned disposable lock locking structure locking, but be not limited thereto the number of degrees.
Above-mentioned disposable lock locking structure is realized by the principle of two compound ratchet wheels, and two ratchets each other in the other direction.By controlling the stroke in locking direction, when the stroke of locking uses back cannot continue to rotate the rotation use that namely cannot repeat.Product rotates exemplary steps see accompanying drawing 1, cannot rotate after product unclamps locking, or only to rotate on a small quantity but can return.
After the mirror pipe of above-mentioned flexible sealing mechanism, flexible pipe and mirror bridge flexible pipe three are tightly connected, flexible pipe holds Jing Qiao tightly by distortion, and mirror pipe inserts in mirror bridge through flexible pipe.The diameter of Hose Jacket on Jing Qiao is larger than the diameter of mirror pipe, and the area be enclosed within mirror pipe is completely coated, as long as control slightly the size between two diameters, control the length being enclosed within Jing Qiao and mirror pipe top hose simultaneously, just one end large for the frictional force be enclosed within Jing Qiao can be defined as stiff end, the other end is that sealed end is scalable unaffected simultaneously.The frictional force of such Hose Jacket on Jing Qiao is greater than the frictional force of flexible pipe and mirror pipe, and mirror pipe can seal slip on Jing Qiao.
Further, described mirror pipe is steel pipe.
Further, described flexible pipe is plastic flexible pipe.
Further, endoscope sheath mentioned above is polytype endoscope sheath, as cystoscope mirror sheath, hysteroscope mirror sheath etc.
This patent mainly endoscope interface is locked, and is applicable to the endoscope of the different brands of same-interface.Above-mentioned interface shape is that endoscope and operating theater instruments are leading in the industry, as German Ka Ershituosi (storz) company designs employing the earliest.Other company follows storz company always all the time, and great majority all adopt the interface of this form, is used for matching with various operating theater instruments.Sight glass type does not generally adopt except larger peritoneoscope, laryngoscope, other as all applicable in cystoscope, hysteroscope, nasal sinuses mirror, otoscope, knee arthroscope.
The description of the occupation mode detailed in Example that above-mentioned disposable lock locking structure is concrete.
The advantage that the present invention has and good effect are: the disposable lock locking structure of endoscope's sheath of the present invention's design adapts to the feature of disposable products, can effectively prevent and avoid these disposable endoscope adnexaes to be reused by intentional or unintentional; And endoscope sheath can adjust the endoscope of different operating length and coordinating of mirror sheath by its flexible sealing mechanism, and endoscope can ensure best operational position in mirror sheath.The endoscope sheath of this structure is simple and reliable for structure, and is beneficial to actual production.
Accompanying drawing explanation
The disposable lock locking structure fundamental diagram of Tu1Shi endoscope sheath;
Fig. 2 is the structural representation of mirror sheath;
Fig. 3 is the structural representation of middle level cover;
Fig. 4 is the structural representation of lock sleeve;
Fig. 5 is the structural representation of interface;
Fig. 6 is the structural representation of lock sleeve rib;
Fig. 7 is the structural representation of discharge cock;
The three-dimensional partial schematic sectional view of the flexible sealing mechanism of Fig. 8 endoscope sheath.
In figure:
1, mirror sheath 2, middle level cover 3, lock sleeve
A, interface 1A, location round pin 3A, rib
4A locating slot 2A, discharge cock 5, mirror pipe
6, flexible pipe 7, Jing Qiao
Detailed description of the invention
Have the endoscope sheath of the adjustable length of disposable retaining mechanism, comprise disposable lock locking structure and flexible sealing mechanism, disposable lock locking structure is positioned at endoscope sheath afterbody, and flexible sealing mechanism is arranged in endoscope sheath cavity; Described disposable lock locking structure comprises the interface A of mirror sheath 1, middle level cover 2, lock sleeve 3, mirror sheath and endoscope, and middle level is overlapped and lock sleeve is enclosed within mirror sheath at seam and endoscope is locked; The interface A of described mirror sheath and endoscope is wide, the narrow up and down shapes in two ends, left and right, interface has locating slot 4A; One end of mirror sheath is provided with location round pin 1A; Middle level puts and is provided with discharge cock 2A; There are two rib 3A one end of lock sleeve 3 on circle;
Described flexible sealing mechanism comprises mirror pipe 5, flexible pipe 6 and mirror bridge 7, described mirror pipe 5 is placed in endoscope sheath, for the mirror body passage of endoscope, wherein flexible pipe 6 internal diameter when not stressed is less than mirror pipe 5, and position diameter mirror bridge 7 overlapping mirror pipe 5 is larger than mirror pipe 5 diameter; Flexible pipe 6 one end is enclosed within mirror bridge 7, and the other end is enclosed within mirror pipe 5, and mirror pipe 5 inserts in mirror bridge 7 inner chamber, and three coupling part is sealing state.
Concrete use procedure is as follows:
First put in the middle of lock sleeve by product interface section, interface is that two ends, left and right are wide, narrow up and down.Simultaneously there are two rib 3A one end of lock sleeve on circle, and during insertion, the shape of lock sleeve conforms to Interface Shape and inserts.After inserting, location round pin is positioned the product that will lock by locating slot.Lock sleeve overlaps with interface after rotating, and owing to being that spiral rotating overlaps, overlap during half-twist left and right, namely the interface pressing endoscope completes locking.
Need discharge cock 2A to push over before using, because discharge cock limits lock sleeve, before discharge cock is not pulled to, product cannot be in rotary moving.After discharge cock is opened, now endoscope is locked into product and is put into, or be about to put into, discharge cock is pushed into root, discharge cock has rotary locking cover, and the helicla flute that now followed by lock sleeve cooperatively interacts with location round pin 1A, makes lock sleeve limit its displaced position by helicla flute when rotated, when rotate to two ribs cross come, displacement about 90 ° time, namely complete locking.The rotation use angle of locking is according to the size difference of product or change to some extent.Normally 70-110 ° of interval rotation after product is once locked, but be not limited thereto the number of degrees.
After mirror pipe in flexible sealing mechanism, flexible pipe and mirror bridge flexible pipe three are tightly connected, flexible pipe holds Jing Qiao tightly by distortion, and mirror pipe inserts in mirror bridge through flexible pipe.The diameter of Hose Jacket on Jing Qiao is larger than the diameter of mirror pipe, and the area be enclosed within mirror pipe is completely coated, as long as control slightly the size between two diameters, control the length being enclosed within Jing Qiao and mirror pipe top hose simultaneously, just one end large for the frictional force be enclosed within Jing Qiao can be defined as stiff end, simultaneously the other end is sealed end, scalable unaffected.The frictional force of such Hose Jacket on Jing Qiao is greater than the frictional force of flexible pipe and mirror pipe, and mirror pipe can seal slip on Jing Qiao.
Above one embodiment of the present of invention have been described in detail, but described content being only preferred embodiment of the present invention, can not being considered to for limiting practical range of the present invention.All equalizations done according to the present patent application scope change and improve, and all should still belong within patent covering scope of the present invention.
Claims (5)
1. there is the endoscope sheath of the adjustable length of disposable retaining mechanism, it is characterized in that: comprise disposable lock locking structure and flexible sealing mechanism, disposable lock locking structure is positioned at endoscope sheath afterbody, and flexible sealing mechanism is arranged in endoscope sheath cavity; Described disposable lock locking structure comprises the interface of mirror sheath, middle level cover, lock sleeve, mirror sheath and endoscope, and middle level cover and lock sleeve are enclosed within mirror sheath at seam locks endoscope; The interface of described mirror sheath and endoscope is wide, the narrow up and down shapes in two ends, left and right, and interface has locating slot; One end of mirror sheath is provided with location round pin; Middle level puts and is provided with discharge cock; There are two ribs one end of lock sleeve on circle; Described flexible sealing mechanism comprises mirror pipe, flexible pipe and Jing Qiao, and described mirror pipe is placed in endoscope sheath, and be the mirror body passage of endoscope, flexible pipe internal diameter when not stressed is less than mirror pipe, and the position diameter of Jing Qiao upper cover mirror pipe is larger than mirror pipe diameter; Flexible pipe one end is enclosed within Jing Qiao, and the other end is enclosed within mirror pipe, and mirror pipe inserts in mirror bridge inner chamber, and three coupling part is sealing state.
2. the endoscope sheath with the adjustable length of disposable retaining mechanism according to claim 1, is characterized in that: 70-110 ° of interval rotation after described disposable lock locking structure locking.
3. the endoscope sheath with the adjustable length of disposable retaining mechanism according to claim 1, is characterized in that: described mirror pipe is steel pipe.
4. the endoscope sheath with the adjustable length of disposable retaining mechanism according to claim 1, is characterized in that: described flexible pipe is plastic flexible pipe.
5. the endoscope sheath with the adjustable length of disposable retaining mechanism according to any one of claim 1-3, is characterized in that: described endoscope sheath is cystoscope mirror sheath or hysteroscope mirror sheath.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201310432896.6A CN103505176B (en) | 2013-09-18 | 2013-09-18 | Length-adjustable endoscope sheath with disposable locking mechanism |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310432896.6A CN103505176B (en) | 2013-09-18 | 2013-09-18 | Length-adjustable endoscope sheath with disposable locking mechanism |
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| CN103505176A CN103505176A (en) | 2014-01-15 |
| CN103505176B true CN103505176B (en) | 2015-04-29 |
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Families Citing this family (9)
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|---|---|---|---|---|
| CN104473687B (en) * | 2014-12-03 | 2017-03-15 | 中国人民解放军第二军医大学 | There are the bendable end operating theater instruments of pre- bend pipe structure |
| EP3302215B1 (en) | 2015-05-27 | 2022-11-23 | Ambu A/S | An endoscope |
| EP3302213B1 (en) | 2015-05-27 | 2022-11-23 | Ambu A/S | Endoscope |
| EP3302217B1 (en) | 2015-05-27 | 2020-06-03 | Ambu A/S | An endoscope |
| US10624617B2 (en) | 2015-05-27 | 2020-04-21 | Ambu A/S | Endoscope |
| CN107809939B (en) | 2015-05-27 | 2020-09-08 | 安布股份有限公司 | Endoscope with tool |
| CN107771049B (en) | 2015-05-27 | 2020-06-12 | 安布股份有限公司 | Endoscope comprising a chassis with a housing structure |
| US10617284B2 (en) | 2015-05-27 | 2020-04-14 | Ambu A/S | Endoscope |
| CN111887794A (en) * | 2020-08-11 | 2020-11-06 | 杭州桐庐江南医疗器械有限公司 | Arc laryngoscope set |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3441515B2 (en) * | 1994-06-16 | 2003-09-02 | ペンタックス株式会社 | Rigid endoscope |
| JP3519823B2 (en) * | 1995-05-31 | 2004-04-19 | オリンパス株式会社 | Cover-type endoscope |
| EP1667749B1 (en) * | 2003-09-15 | 2009-08-05 | Super Dimension Ltd. | System of accessories for use with bronchoscopes |
| JP2013123601A (en) * | 2011-12-16 | 2013-06-24 | Fujifilm Corp | Device for assisting endoscope propulsion |
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| CN102293628A (en) * | 2011-09-24 | 2011-12-28 | 天津博朗科技发展有限公司 | Disposable endoscope sheath with self-destructing endoscope-locking device |
| CN102319090A (en) * | 2011-09-24 | 2012-01-18 | 天津博朗科技发展有限公司 | Disposable double-passage endoscope sheath |
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| CN103505176A (en) | 2014-01-15 |
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