CN1931083A - Endoscope system with disposable sheath - Google Patents
Endoscope system with disposable sheath Download PDFInfo
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- CN1931083A CN1931083A CN 200610047929 CN200610047929A CN1931083A CN 1931083 A CN1931083 A CN 1931083A CN 200610047929 CN200610047929 CN 200610047929 CN 200610047929 A CN200610047929 A CN 200610047929A CN 1931083 A CN1931083 A CN 1931083A
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- disposable
- sealing cap
- pincers deferent
- mirror body
- pipe
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Abstract
The endoscope system with disposable sheath includes one disposable sheath and one improved bendable endoscope capable of being reused, and these two parts are muff coupled. The present invention can eliminate the problem of medical infection completely. The present invention proposes one T-shaped sealing cap with movable sealing ring, hot sealed port and double layer guide pipe for being installed inside the disposable forceps pipe. The T-shaped sealing cap in improved structure can avoid the contamination of the disposable forceps pipe to ensure the safe use of the disposable sheath.
Description
Technical field
The invention belongs to technical field of medical instruments, specifically is the improvement to flexible endoscopic technique in the medical apparatus and instruments, is a kind of endoscopic system of available disposable shield sleeve protection, adopts the present invention can effectively avoid the cross infection of endoscope in clinical practice.
Background technology
Using disposable sheath, is the reliable way of avoiding endoscope's nosocomial infection to the protection of reused flexible endoscope in clinical.For this reason, the applicant has successively proposed 10 remainder patent applications since 22 days November in 2002, wherein up-to-date application number is PCT/CN2005/001281, it discloses two aspect contents: propose disposable protective jacket on the one hand, on the other hand endoscope is carried out corresponding transformation, make it be suitable for the adaptive installation of disposable protective jacket.The transformation of mirror body comprises does not establish aqueous vapor pipe and blast tube in the mirror body, only will clamp the deferent overstriking, and establishes the outlet of aqueous vapor pipe and suction catheter at mirror body rear portion; Disposable shield sleeve is made of cover capsule, end cap, disposable pincers deferent, disposable aqueous vapor pipe and blast tube etc.The threeway sealing cap is placed in one disposable pincers deferent by guiding tube and connects with mirror sports association, seals disposable pincers deferent with the back with hot forceps major.The application is to the development of aforementioned application and replenishes, and is to the structure of the threeway sealing cap in the former application and the improvement of encapsulating method, makes its safety and reliability.
Summary of the invention
In order to solve the fearful nosocomial infection problem that medical endoscope can bring in clinical practice; we think that the reliable method that prevents medical cross infection is with the way of disposable shield sleeve with endoscope's protection; make all working surfaces of endoscope all can not touch operation receiveing person's body cavity; body fluid (referring to elaborating of patent application before the applicant); the purpose of this application is to provide a kind of improvement mechanism to the part of the threeway sealing cap in the disposable shield sleeve of endoscope; adopt threeway sealing cap of the present invention; can solve disposable pincers deferent in the key issue that withdraws from the pollution that Shi Suoneng produces, from but guarantee the important step of disposable shield sleeve using.
Technical solution of the present invention:
The invention provides a kind of by elastomer make, in be provided with the threeway sealing cap of loose gland, the internal orifice of loose gland is fastened on the outside in disposable pincers deferent somewhere, the sealing ring internal orifice can not be slided because of the axial motion of disposable pincers deferent, polluted disposable pincers deferent outside because such slip may take out of pollutant the sealing collar extension.And loose gland is because the space that has loose elastic packing barrier film to be provided can be gone here and there moving in certain limit with disposable pincers deferent synchronously.
Moving in order to guarantee above-mentioned synchronous string, loose gland should place the centre position of annular seal space, and the application proposes a kind of double-deck guiding tube for this reason, and pipe range is longer than the height of threeway sealing cap in outer tube in it, and internal diameter is greater than the external diameter of disposable pincers deferent; Outer length of tube equals the distance of the upper end of threeway sealing cap to the annular seal space center line, and there is a projection at its front port to 1/2 annular seal space place in the case, outer tube temporarily can be stuck under the fixing seal mouth during use, also there is a projection front portion of interior pipe, the restriction outer tube is deviate from, like this in retracting double-deck guiding tube process loose gland by the pulling of interior pipe lobe and temporarily withstanding of outer tube port and be placed in the annular seal space centre position, outer tube is under the continuation pulling of interior pipe lobe afterwards, when outer tube was together pulled out the threeway sealing cap with interior pipe, the loose gland of built-in disposable pincers deferent still rested on the annular seal space middle part.
In order to guarantee the smooth insertion of double-deck guiding tube, the present invention also proposes a kind of guide cone, length can be higher than the threeway sealing cap, external diameter and double-deck guiding tube inner tube diameter are slidingly matched, and the guide cone front end is that circular cone is pointed, and its bottom from the threeway sealing cap is inserted, again double-deck guiding tube is packed into from the threeway sealing cap other end, after extracting guide cone, the threeway sealing cap of built-in double-deck guiding tube just can pack into the exposed parts of disposable pincers deferent, and is installed on the mirror body.
For obtaining the exact length of disposable pincers deferent, the present invention proposes a kind of fixed length again and cuts, and in order to guarantee the height of disposable pincers deferent exposed parts, makes its mouth of pipe can be in the middle part of threeway sealing cap epicoele.After cutting, fixed length the more above-mentioned end opening that is enclosed within the double-deck guiding tube in the threeway sealing cap was packed into from disposable pincers deferent rear end, at this moment threeway sealing cap lower end is fixed on endoscope's mirror body, extract double-deck guiding tube, cover seal cover, got final product clinical position.In order to guarantee that disposable pincers deferent inherence passes in the mirror body pincers deferent process not contaminatedly, before installing, its mouth of pipe to be sealed into the V font, and passing after, before fixed length is cut, sterilize at its exposed parts earlier again.Will use a kind of thermal jointing clipper behind clinical the finishing, its jaw can enter in the heat seal mouth of threeway sealing cap bottom, with the heat seal of disposable pincers deferent and cut off, become V font close mouth, at last the threeway sealing cap is taken off together with suction catheter etc., and take off the remainder of endoscope's disposable shield sleeve, work finishes.
The present invention has following advantage:
Solve the fearful nosocomial infection problem that medical endoscope can bring in clinical practice; its the most reliable method should be the way that adopts disposable shield sleeve of the present invention that endoscope is protected; make all working surfaces of endoscope all not reach operation receiveing person's body cavity, body fluid; particularly adopt the improvement structure of threeway sealing cap part of the present invention; the pollution problem that wherein solves disposable pincers deferent rear aperture is the most key, is disposable pincers deferent important step safe in utilization.
Description of drawings
Fig. 1 is the endoscopic system overall structure that has disposable shield sleeve.
Among the figure: the 1st, endoscope's mirror body, the 2nd, threeway sealing cap, the 3rd, disposable pincers deferent, the 4th, biopsy forceps, the 5th, suction catheter, the 6th, cover capsule, the 7th, aqueous vapor pipe, the 8th, blast tube, the 9th, end cap.
Fig. 2 is threeway sealing cap 2 structural representations among Fig. 1.
Among the figure: the 2.1st, lower port, the 2.2nd, upper port, the 2.3rd, loose gland, the 2.4th, the loose gland barrier film, the 2.5th, the heat seal mouth, the 2.6th, the fixing seal mouth, the 2.7th, annular seal space, the 2.8th, epicoele, the 2.9th, attract the hole, the 2.10th, annular seal space center line, the 2.11st, seal cover.
Fig. 3 is the guide cone structural representation; Among the figure: the 12nd, guide cone.
Fig. 4 is double-deck guiding tube structural representation.
Among the figure: the 10th, double-deck guiding tube, the 10.1st, interior pipe, 10.1.1 are interior pipe lobe, the 10.2nd, outer tube, 10.2.1 are the outer tube lobe, 10.2.2 is the outer tube front port.
Fig. 5 is the sketch map of preparing for the smooth insertion of double-deck guiding tube behind the guide cone insertion threeway sealing cap.
Fig. 6 is that guiding tube inserts the back guide cone with the sketch map of extracting.
Fig. 7 is the sketch map that the threeway sealing cap of built-in double-deck guiding tube prepares to pack into disposable pincers deferent.
Fig. 8 utilizes double-deck guiding tube to insert disposable pincers deferent in the threeway sealing cap and is fixed on sketch map in the endoscope.
Fig. 9 is the sketch map that double-deck guiding tube loose gland from threeway sealing cap withdrawal process is placed in the annular seal space middle part.
Figure 10 is the sketch map that the threeway sealing cap is finished encapsulation.
Figure 11 utilizes fixed length to cut disposable pincers deferent exposed parts is cut off preceding sketch map by certain-length.
13 fixed length are cut among the figure, and the 3.1st, the exposed parts of disposable pincers deferent, the 14th, fixed length chi.
Figure 12 utilizes fixed length to cut the sketch map that disposable pincers deferent exposed parts is cut off under fixed length chi 14 limits.
Figure 13 utilizes a kind of thermal jointing clipper to aim at disposable pincers deferent heat seal in the threeway sealing cap heat seal mouth and the sketch map of cutting off; 11 is thermal jointing clippers among the figure.
The specific embodiment
Among the figure 1 is flexible endoscope mirror body, higherly can not do disposable use because be worth, and the present invention proposes a kind of disposable shield sleeve 6, and its protection is used.With the pincers deferent overstriking in the mirror body 1 and pack into the insulation blocking that a kind of disposable pincers deferent 3 that is connected as a single entity with mirror body 1 overcoat capsule 6 carries out from the inside to surface, to reach the purpose of changing for a time.
As shown in Figure 1, the endoscopic system that has disposable shield sleeve comprises: a kind of reused endoscope mirror body 1, aqueous vapor pipeline in the mirror body is moved on between mirror body 1 and the cover capsule 6, and blast tube 8 is fixed on a side of end cap 9, its rear portion is provided with outlet of aqueous vapor pipe and suction catheter interface, docks with aqueous vapor pipe 7 joints and suction catheter 5 respectively.A kind of disposable sheath; wherein overlap the outside that capsule 6 is enclosed within the mirror body; by disposable pincers pipeline 3 and blast tube 8 and aqueous vapor pipe 7 and disposable pincers deferent 3 being connected as one with the end cap 9 of cover capsule 6 fronts; disposable pincers deferent 3 places its inner surface of protection within the speculum forceps deferent, thereby endoscope 1 has been carried out general protection from the inside to surface.
Disposable shield sleeve is made up of end cap 9, cover capsule 6, disposable pincers deferent 3, aqueous vapor pipe 7, blast tube 8, threeway sealing cap 2, suction catheter 5 and guiding tube 10 etc., and wherein: end cap 9 is by the material of part or all of transparent flexible.Blast tube 8 rear ends and 7 sockets of aqueous vapor pipe.The spray-hole of blast tube 8 points to the object lens present position of end cap outer face, is positioned at endoscope's mirror body pipeline position opening at the end face of end cap 9 and is connected with disposable tubing 3.Connected mode can be to make the connecting interface structure of turning up at the tube head of disposable tubing 3.Periphery quilt cover capsule 6 sockets of end cap 9.
The structure of threeway sealing cap 2 as shown in Figure 2, threeway sealing cap 2 is ingredients of disposable shield sleeve, is disposable pincers deferent 3 open rearward end, is the inlet of operating theater instruments such as biopsy forceps 4, being the outlet of suction catheter 5 on mirror body 1, is again the coupling components of above-mentioned each opening and endoscope's mirror body 1.At first it and the connecting of disposable pincers deferent 3, in order not make the permanent pincers deferent of the leak of liquid pollution mirror body 1 in the pipe, set up loose gland 2.3 in the threeway sealing cap that the present invention will apply in the past, and be provided with heat seal mouth 2.5 in the loose gland bottom, be used in through hole disposable pincers deferent 3 not comtaminated part heat seals sealings.
Threeway sealing cap 2 usefulness elastomers are made.Outside visible lower port 2.1 and upper port 2.2, heat seal mouth 2.5 and attraction hole 2.9, seal cover 2.11 etc., portion is provided with epicoele 2.8, fixing seal mouth 2.6, annular seal space 2.7 and annular seal space center line 2.10, loose gland 2.3 from top to bottom within it, wherein lower port 2.1 connects fixing with mirror sports association, attract hole 2.9 and suction catheter 5 sockets, upper port 2.2 is used to insert operating theater instruments such as biopsy forceps 4.Loose gland 2.3 is because there is the membranaceous loose gland barrier film 2.4 of lax Thin Elastic, the string up and down that can guarantee loose gland 2.3 is moving, the mouth of pipe height of disposable pincers deferent 3 in the threeway sealing cap will turn to the bending in use of flexible endoscope and change, loose gland 2.3 is fixed tightly in the outside of disposable tubing 3, can free axial motion, just might the two be synchronized with the movement and friction does not take place and slide, guaranteed that contaminated liquid can not be with in sliding process.The effect of the heat seal mouth 2.5 of loose gland 2.3 bottoms is to make the unpolluted disposable pincers deferent 3 of this section be entered in the through hole 2.5 its sealing by a kind of thermal jointing clipper 9 and cut off.
The height of the exposed parts 3.1 of disposable pincers deferent 3 should be restricted, make its mouth of pipe be in the middle part of the epicoele 2.8 of threeway sealing cap 2, the application proposes a kind of fixed length and cuts 13, as Figure 11 and Figure 12 excessive portion is cut by the height that fixed length chi 14 limits, and then 2 work of threeway sealing cap are installed.
For threeway sealing cap 2 can be smoothly packed into from the end of disposable pincers deferent 3, and make its internal structure be in the tram, the present invention proposes a kind of double-deck guiding tube 10, pipe 10.1 can be longer than threeway sealing cap 2 in it, inner tube diameter and disposable pincers deferent 3 are slidingly matched, at interior pipe front end one slick and sly lobe 10.1.1 is arranged, height of projection is slightly larger than the double gap of bimetallic tube, can block outer tube and not deviate from; Outer tube 10.2 internal diameters and interior pipe 10.1 external diameters are slidingly matched, tube wall can be thicker slightly, outer length of tube approximates threeway sealing cap suitable for reading 2.2 distances to annular seal space center line 2.10, and also be provided with lobe 10.2.1 to the distance at 1/2 place of annular seal space 2.7 at the lower port 10.2.2 of outer tube 10.2, be used for the position that the restraint sealing ring can temporarily rest on annular seal space center line 2.10.
Be the smooth insertion of double-deck guiding tube 10, present embodiment adopts a kind of guide cone 12, and the length of threeway sealing cap 2 is longer than or is equaled to length, and front end has the pyramid type tip, and diameter can be slidingly matched with the interior pipe 10.1 of double-deck guiding tube 10.Guide cone 12 penetrates (as Fig. 5) from the bottom 2.1 of threeway sealing cap 2 earlier during use, again double-deck guiding tube 10 is inserted in from the threeway sealing cap other end, extract guide cone 12 (Fig. 6) then, the threeway sealing cap 2 that is built-in with double-deck guiding tube 10 packs into disposable pincers deferent 3 outer (Fig. 7) with preparation, because the protruded length of the disposable pincers deferent 3 of this moment is cut 13 (limited by fixed length chi 14) by fixed length and is cut off, make its mouth of pipe be in interior epicoele 2.8 middle parts of threeway sealing cap (referring to Fig. 1, Fig. 8), to guarantee the space have it to go here and there up and down, threeway sealing cap 2 as the built-in double-deck guiding tube 10 of Fig. 7 packs into and is fixed on endoscope's mirror body 1 by Fig. 8 mode, extract double-deck guiding tube 10 as Fig. 9 afterwards, loose gland 2.3 fastening disposable pincers deferent 3 when being in annular seal space 2.7 centre positions correctly is fixed in the threeway sealing cap 2 it, and clinical preparation finishes.From Fig. 5, Fig. 6, Fig. 7, Fig. 8, Fig. 9 and Figure 10, can see the loose gland 2.3 in the threeway sealing cap and the interactive process of double-deck guiding tube 10.
Behind clinical the finishing, in order to guarantee that contaminated disposable pincers deferent 3 does not pollute the permanent pincers deferent of endoscope in withdrawing from endoscope's mirror body 1 process, by the present invention the heat seal mouth 2.5 that a kind of electric thermal jointing clipper 11 (as Figure 13) is aimed at its jaw the threeway sealing cap is proposed, with disposable pincers deferent 3 heat seals sealing wherein, and cut off, its mouth of pipe is in the shape of the letter V, and discards threeway sealing cap and suction catheter then, back off disposable shield sleeve and disposable pincers deferent thereof etc.
Claims (6)
1. endoscopic system that has disposable shield sleeve comprises:
Endoscope's mirror body, it is external as disposable use that the aqueous vapor pipe of permanent use in the mirror body is moved on to mirror, and be provided with outlet of aqueous vapor pipe and suction catheter interface at mirror body rear portion, aqueous vapor pipe joint and the socket of suction catheter interface that combines as a whole with disposable sheath respectively is convenient to disposable pincers deferent with the overstriking of mirror body pincers deferent and worked therein;
Disposable sheath is connected as a single entity disposable pincers deferent, blast tube and aqueous vapor pipe by end cap, and the outer surface and the mirror body side opposite of protection endoscope mirror body realize the purpose that a time of endoscope is changed;
The threeway sealing cap, lower port can be installed with endoscope's mirror body, disposable pincers deferent can be installed in it by guiding tube;
Thermal jointing clipper with the disposable pincers deferent heat seal after the clinical practice and cut off, makes the mouth of pipe become the V font of sealing;
It is characterized in that: also be provided with loose gland in the described threeway sealing cap, and be provided with the heat seal mouth in the loose gland bottom, guiding tube is a two-layer pipe; Also comprise guide cone, be used for double-deck guiding tube and insert smoothly; Reach fixed length and cut, guarantee disposable pincers deferent rear end pipe open height, for disposable pincers deferent seals into the V font before passing mirror body pincers deferent, described thermal jointing clipper heat seal mouth interior-heat under the threeway sealing cap merges to be cut off.
2. the endoscopic system that has disposable shield sleeve according to claim 1, it is characterized in that: the sealing ring barrier film can string be moving synchronously with fastened disposable pincers deferent wherein in annular seal space because of having for described loose gland, the heat seal mouth that ring has can cut off the disposable pincers deferent heat seal in the heat seal mouth.
3. the endoscopic system that has disposable shield sleeve according to claim 1 is characterized in that in the described guiding tube that length of tube can be greater than the length of threeway sealing cap, and is provided with lobe at its front end; Outer length of tube is the distance of the upper port of threeway sealing cap to the annular seal space center line, and outer tube is provided with lobe, and its lobe to the distance of outer tube front end equals half the distance of annular seal space of threeway sealing cap, and internal and external casing is slidingly matched; Inner tube diameter can be slidingly matched with disposable pincers deferent; Loose gland will be placed on the annular seal space middle part by the restriction of the pulling of interior pipe lobe and the outer tube mouth of pipe when described double-deck guiding tube integral body places loose gland and when extracting the threeway sealing cap out.
4. the endoscopic system that has disposable shield sleeve according to claim 1 is characterized in that: described guide cone, have the circular cone tip, and length can be greater than the length of threeway sealing cap, and the interior pipe of guide cone outer wall and double-deck guiding tube is slidingly matched; Inserted from threeway sealing cap bottom before double-deck guiding tube inserts, double-deck guiding tube can pack into from threeway sealing cap upper end.
5. the endoscopic system that has disposable shield sleeve according to claim 1 is characterized in that: the thermal jointing clipper jaw can stretch in the heat seal mouth of threeway sealing cap, to disposable pincers deferent heat seal sealing and cut-out.
6. the endoscopic system that has disposable shield sleeve according to claim 1, it is characterized in that: disposable shield sleeve is before encapsulation endoscope mirror body, with the sealing of V font, the exposed parts reuse fixed length after sterilizing after passing the permanent pincers deferent of mirror body is cut off with its disposable pincers deferent mouth of pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006100479295A CN100423682C (en) | 2006-09-29 | 2006-09-29 | Endoscope system with disposable sheath |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006100479295A CN100423682C (en) | 2006-09-29 | 2006-09-29 | Endoscope system with disposable sheath |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1931083A true CN1931083A (en) | 2007-03-21 |
| CN100423682C CN100423682C (en) | 2008-10-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2006100479295A Expired - Fee Related CN100423682C (en) | 2006-09-29 | 2006-09-29 | Endoscope system with disposable sheath |
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| Country | Link |
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| CN (1) | CN100423682C (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2011124149A1 (en) * | 2010-04-09 | 2011-10-13 | 姜守美 | Disposable protection assembly for endoscope |
| CN109475276A (en) * | 2016-07-28 | 2019-03-15 | 库克医学技术有限责任公司 | Controllable modular catheter |
| CN111387921A (en) * | 2020-03-25 | 2020-07-10 | 中国人民解放军陆军特色医学中心 | Contact-free enteroscope automatic packaging equipment |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100339043C (en) * | 2004-12-14 | 2007-09-26 | 姜克让 | Endoscope system with disposible sheath, and and using method therefor |
| WO2006063491A1 (en) * | 2004-12-14 | 2006-06-22 | Kerang Jiang | Endoscope system with a disposable sheath and method of use thereof |
| CN2762751Y (en) * | 2004-12-14 | 2006-03-08 | 姜克让 | Endoscope system with disposable sheath |
-
2006
- 2006-09-29 CN CNB2006100479295A patent/CN100423682C/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2011124149A1 (en) * | 2010-04-09 | 2011-10-13 | 姜守美 | Disposable protection assembly for endoscope |
| CN109475276A (en) * | 2016-07-28 | 2019-03-15 | 库克医学技术有限责任公司 | Controllable modular catheter |
| CN109475276B (en) * | 2016-07-28 | 2021-09-28 | 库克医学技术有限责任公司 | Controllable catheter handle |
| CN111387921A (en) * | 2020-03-25 | 2020-07-10 | 中国人民解放军陆军特色医学中心 | Contact-free enteroscope automatic packaging equipment |
Also Published As
| Publication number | Publication date |
|---|---|
| CN100423682C (en) | 2008-10-08 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Shenda Sight-Glass Co., Ltd., Shenyang Assignor: Jiang Kerang Contract fulfillment period: 2009.1.20 to 2015.1.19 contract change Contract record no.: 2009210000070 Denomination of invention: Endoscope system with disposable sheath Granted publication date: 20081008 License type: Exclusive license Record date: 2009.4.1 |
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| LIC | Patent licence contract for exploitation submitted for record |
Free format text: EXCLUSIVE LICENSE; TIME LIMIT OF IMPLEMENTING CONTACT: 2009.1.20 TO 2015.1.19; CHANGE OF CONTRACT Name of requester: SHENYANG SHENDA ENDOSCOPE CO., LTD. Effective date: 20090401 |
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| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20081008 Termination date: 20100929 |