CN203400117U - Disposable endoscope sheath - Google Patents
Disposable endoscope sheath Download PDFInfo
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- CN203400117U CN203400117U CN201320459096.9U CN201320459096U CN203400117U CN 203400117 U CN203400117 U CN 203400117U CN 201320459096 U CN201320459096 U CN 201320459096U CN 203400117 U CN203400117 U CN 203400117U
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Abstract
The utility model provides a disposable endoscope sheath. The disposable endoscope sheath comprises an inserting part, a control part and an endoscope locking part. The inserting part comprises a sheath head and a sheath pipe. The control part comprises a main body, a water inlet and outlet valve and an instrument adjusting knob. The endoscope locking part comprises a retractable endoscope bridge, a locking sleeve and a protection cover. The sheath head is located at the front end of the inserting part, the back face of the sheath head is connected with the sheath pipe which is connected with the retractable endoscope bridge of the endoscope locking part through the main body, and the water inlet and outlet valve and the instrument adjusting knob are located on the main body of the endoscope sheath. The sheath pipe is of a multi-channel structure, and the outer surface of the inserting part is provided with scale marks. The disposable endoscope sheath has the advantages that the cross infection is avoided due to disposability of the endoscope sheath, and the disposable endoscope sheath can meet the requirements of different endoscope surgeries.
Description
Technical field
This utility model belongs to medical instruments field, especially relates to a kind of disposable endoscope sheath.
Background technology
Conventional cystoscope operating theater instruments and its material of hysteroscope operation apparatus be take rustless steel as main, and the operating theater instruments of stainless steel belongs to open apparatus, cannot form sealing completely by endoscope in use, in operation process, endoscope carries out work by being inserted in the apparatus of sheath class, the humoral substance producing in body operation process can pollute by endoscope, and postoperative endoscope must sterilize.At present occurred that on the market a kind of endoscope carries out endoscope's sheath of totally-enclosed protection.Inside, sheath outside in endoscope.Because endoscope does not contact with anyone, what directly contact human body is endoscope's sheath.Human body can not form pollution by endoscope yet simultaneously, reduces cross infection.So just can, so that endoscope need not sterilize, can protect by endoscope.At utmost extend the service life of endoscope.On the other hand, it is lower that disposable endoscope sheath cost and common endoscope's sheath are compared cost, can alleviate patient's financial burden, meets more operation demand.
Granted publication number has disclosed a kind of disposal vesica urinaria examination mirror sheath for the Chinese patent of CN100569175C, this scheme provides can hold endoscope and operating theater instruments enters the dual pathways mirror sheath structure that inside of human body carries out diagnosis and treatment simultaneously, but this mirror sheath structure also has problems simultaneously: first, the apparatus that is mainly used at present endoscopic surgery comprises different pliers, the instrument of shears and so on, when apparatus inserts after human body by instrument channel, because lesions position is different, the apparatus inserting need to have certain angle swinging toward contact, sometimes also to add that certain rotation could adapt to more operation demand.In addition, when sight glass is put into mirror sheath, because manufacturer is different, the length of sight glass can not be just the same.If when the nonadjustable Hua，Dang of mirror sheath length endoscope length is long, may push up the protection structure of wearing mirror sheath sheath head, damage to human body; When endoscope's length is too short, can cause mirror sheath rear end to carry out indentation locking to sight glass, affect the use of sight glass.In addition, the locking mechanism in this scheme is also reusable after operation finishes to unload endoscope, easily causes cross infection.
Interior, peep in operation process at present, sometimes also need to draw water toward human body water filling, therefore in endoscope's sheath, also need Inlet and outlet water passage.As above said, in having, peep operation and need to adjust the angle of operating theater instruments simultaneously.In sheath pipe, also needing to arrange adjustment passage as steel wire passage, because endoscope sheath sheath tube section is long-pending limited, how the position of above-mentioned passage is rationally set, meet the different demands of modern operation, is also the problem of current this art.On the other hand, interior, peep in operation process, medical personnel are difficult to the degree of depth that judgement mirror sheath sheath pipe inserts sometimes, therefore also need at present a kind of method that can clearly show sheath pipe insertion depth.
In current operation; sometimes due to reasons such as patient bleed profusely; body fluid can vomit; now endoscope main body rear end and the part that is connected with follow-up CCD system also may be by humoral pollutions, be therefore badly in need of at present wanting a kind of can be when human body fluid pours out the mirror sheath structure that plays a protective role of endoscope body rear and follow-up CCD system and cable.
Summary of the invention
Problem to be solved in the utility model is to provide a kind of disposable endoscope sheath, is especially applicable to meeting in dissimilar peeping operation demand.
For solving the problems of the technologies described above, the technical solution adopted in the utility model is:
Invent a kind of disposable endoscope sheath, comprise insertion section, control part, lock mirror portion; Wherein insertion section comprises sheath head, sheath pipe, and control part comprises main body, Inlet and outlet water valve, and lock mirror portion comprises Telescopic mirror bridge, lock sleeve; Sheath head is positioned at insertion section front end, after connecting utricle pipe, sheath pipe by main body with lock mirror portion Telescopic mirror bridge be connected, Inlet and outlet water valve and apparatus adjusting knob are positioned in endoscope's sheath main body; It is characterized in that: sheath pipe comprises sight glass chamber, instrument channel, steel wire passage and Inlet and outlet water passage; Sheath pipe front end bottom is provided with operating theater instruments angle regulator, and this device can be fixed lobe, lifts device or replaceable projection.
Wherein, described lock sleeve comprises Jing Qiaojiekou, lock mirror cover, locking driving lever, lock pressure ring and the disposable clamping ring that is connected to mirror bridge end, and described lock mirror cover links into an integrated entity with disposable clamping ring with lock pressure ring, the outside locking driving lever that connects of described lock pressure ring; The interior hole shape of card of described lock pressure ring is corresponding with the locking plate shape of endoscope's lock interface, and the card sizes of lock pressure ring matches with the locked groove of endoscope's lock interface; Described lock mirror cover arrangement of bores one-way movable tooth, described one-way movable tooth rear end is provided with screw thread; Described mirror bridge end outside is also designed with unidirectional tooth and screw thread successively, coordinates and is connected with lock mirror external threading with lock mirror cover endoporus one-way movable tooth.
Wherein, front end bottom, sight glass chamber is provided with slot, the rib of slot both sides and with the rib cut-off platform of coplanar not.Slot is dovetail groove, and described dovetail groove is trapezoidal dovetail structure, and slot and rib form the replacing groove of replaceable projection.
Wherein, mirror sheath also comprises apparatus adjusting knob, and apparatus adjusting knob comprises gear and tooth bar; Wheel and rack engagement, steel wire one end is fixed on tooth bar, the other end by steel wire passage with lift device and be connected.
Wherein, Telescopic mirror bridge comprises Jing Qiao, rebound leaf, grooved space; It is inner that rebound leaf is arranged on mirror bridge, Jing Qiao rear end, grooved space.
Wherein, sheath head is provided with arc transparent window; Described arc transparent window inner surface design is level and smooth, and corresponding central angle is acute angle.
Wherein, sheath partial view mirror cavity inner sleeve has metal tube, for improving the length in sheath partial view mirror chamber.
Wherein, mirror bridge end mirror bridge joint mouth endoporus adopts the conical surface design adapting with endoscope's lock interface.
Wherein, mirror sheath rear end part also arranges protective cover; Described protective cover one end parcel endoscope sheath control part body rear, other end parcel CCD observation system cable.
Wherein, insertion section outer surface has scale mark; Described scale mark is arranged at sheath head rear end to start to control subject part.
Wherein, gear, rack material are preferably the medical plastic that hardness is high.
Wherein, Telescopic mirror bridge also comprises cushion rubber, gum cover, the preferred silica gel material of described cushion rubber and gum cover.
Wherein, the preferred waterproof medical plastic of protective cover material.
Advantage and the good effect that the utlity model has are: owing to adopting technique scheme, in operation the adjusting of apparatus angle convenient, can meet the demand of peeping operation in difference.The structure of Telescopic mirror bridge can meet the use of different length endoscope, and disposable self-destructing lock mirror structure can avoid mirror sheath again to be utilized the cross infection causing.The scale mark of insertion section can help healthcare givers to understand the insertion depth of current mirror sheath, and protective cover can be avoided endoscope rear end and the CCD observation structure that joins with it is subject to humoral pollution.Therefore the utlity model has disposable use avoid cross infection, topology layout reasonable, easy to use, easily by advantages such as market acceptance.
Accompanying drawing explanation
Fig. 1 is the overall structure schematic diagram of a kind of disposable endoscope sheath of this utility model.
Fig. 2 is a kind of disposable endoscope sheath of this utility model sheath head part structural representation.
Fig. 3 is a kind of disposable endoscope sheath of this utility model sheath head part partial exploded view.
Fig. 4 to Fig. 7 is the schematic diagram of a kind of disposable endoscope sheath of this utility model sheath tube section.
Fig. 8 is the transverse cross-sectional view of a kind of disposable endoscope sheath of this utility model apparatus adjusting knob.
Fig. 9 is the structural representation that a kind of disposable endoscope sheath of this utility model front end lifts part.
Figure 10 is a kind of disposable endoscope sheath of this utility model Telescopic mirror bridge transverse cross-sectional view.
Figure 11 is the internal structure schematic diagram of a kind of disposable endoscope sheath of this utility model control part main body.
Figure 12 is the transverse cross-sectional view of a kind of disposable endoscope sheath of this utility model lock sleeve part.
Figure 13 is the structural representation of a kind of disposable endoscope sheath of this utility model protective cover part.
Figure 14 is the schematic diagram of a kind of disposable endoscope sheath of this utility model scale mark part.
In figure:
1, sheath head 2, sheath pipe 3, Inlet and outlet water valve
4, apparatus adjusting knob 5, main body 6, Telescopic mirror bridge
7, lock sleeve 8, protective cover 11, arc transparent window
12, lift device 13, slot 14, rib
15, replaceable protruding 21, sight glass chamber 22, instrument channel
23, logical 24, the Inlet and outlet water passage 25 of Inlet and outlet water passage and apparatus, steel wire passage
Road
26, metal tube 27, scale mark 41 tooth bars
42 gear 43 steel wire 61 rebound leafs
62 cushion rubber 63 gum cover 64 grooved spaces
71 lock mirror cover 72 locking driving lever 73 lock pressure rings
74 disposable lockings cracking Cao81 endoscope rear end 82CCD system interfaces
83 video cables 84 optical cables
The specific embodiment
As shown in Fig. 1 to Figure 14, this utility model comprises insertion section, control part, lock mirror portion; Wherein insertion section comprises sheath head 1, sheath pipe 2, and control part comprises main body 5, Inlet and outlet water valve 3 and apparatus adjusting knob 4, and lock mirror portion comprises Telescopic mirror bridge 6, lock sleeve 7; Sheath head is positioned at insertion section front end, after connecting utricle pipe, sheath pipe by main body with lock mirror portion Telescopic mirror bridge be connected, Inlet and outlet water valve and apparatus adjusting knob are positioned in endoscope's sheath main body; Sheath pipe front end bottom is provided with lifts device 12; Sheath head is provided with arc transparent window 11; Sheath pipe comprises sight glass chamber 21, instrument channel 22, Inlet and outlet water passage 24 and steel wire passage 25; Front end bottom, sight glass chamber be provided with slot 13, slot both sides rib 14 and with the rib cut-off platform of coplanar not; Slot and rib form the replacing groove of replaceable projection, are provided with replaceable protruding 15 in slot; Apparatus adjusting knob comprises tooth bar 41 and gear 42; Rack and pinion engagement, steel wire 43 one end are fixed on tooth bar, the other end by steel wire passage with lift device and be connected; Telescopic mirror bridge portion comprises Jing Qiao, rebound leaf 61, cushion rubber 62, gum cover 63, grooved space 64; Lock sleeve comprises Jing Qiaojiekou, lock mirror cover 71, locking driving lever 72, lock pressure ring 73 and the disposable clamping ring that is connected to mirror bridge end; Lock mirror cover arrangement of bores one-way movable tooth, one-way movable tooth rear end is provided with screw thread; Mirror bridge end outside is also designed with unidirectional tooth and screw thread successively, coordinates and is connected with lock mirror external threading with lock mirror cover endoporus one-way movable tooth.Described mirror bridge end mirror bridge joint mouth endoporus adopts the conical surface design adapting with endoscope's lock interface.Mirror sheath rear end part is also provided with protective cover 8.Sheath partial view mirror cavity inner sleeve has metal tube 26, and insertion section outer surface has scale mark 27.
The work process of this example: the design of Telescopic mirror bridge has guaranteed the restriction of the use Bu Shou endoscope length of this mirror sheath.Telescopic mirror bridge adopts medical plastic, with certain resilience force.After inserting sight glass, rebound leaf distortion, until inner grooved space becomes large rear automatic rebounding, and can not extract after blocking principal section after resilience, has guaranteed that endoscope can not come off because of pulling back.Cushion rubber is for sealed mirror bridge and main body.Between mirror sheath and metal tube, add the silica gel gum cover with favorable elasticity, guarantee the air-tightness between metal tube and mirror sheath.Owing to itself thering is certain depth in mirror sheath, thereby formed a reciprocal axial activity space.
When lock mirror cover, locking driving lever, lock pressure ring and disposable clamping ring are initial, make one, lock mirror cover is connected with disposable clamping ring with lock pressure ring, disposable clamping ring side is provided with disposable locking cracking groove 74, this design is convenient to endoscope and is packed the lock mirror after mirror sheath into, thereby and disposable clamping ring is torn along disposable locking cracking groove after using, make to lock mirror cover and lock pressure ring and separate, be convenient to endoscope and take out from the sight glass tract of mirror sheath and mirror bridge.The locking driving lever of lock pressure ring outside drives lock pressure ring to rotate, and makes to lock pressure ring card and locks endoscope's locked groove.Lock mirror cover arrangement of bores one-way movable tooth, one-way movable tooth rear end is provided with screw thread; Mirror bridge end outside is also designed with unidirectional tooth and screw thread successively, coordinates and is connected with lock mirror external threading with lock mirror cover endoporus one-way movable tooth.Both lockings that can put in place after knob, endoscope plays the effect being locked.The unidirectional tooth of lock mirror cover and mirror bridge end outside cooperatively interacts, guarantee that overlapping with lock mirror the retaining ring being connected can only one-directional rotation lock mirror, and can not rollback release, disposable clamping ring must be torn and make to lock mirror cover and lock pressure ring and separate, Cai Kejiang endoscope takes out from the sight glass tract of mirror sheath and mirror bridge, guarantees that mirror sheath can only once use; Mirror bridge end mirror bridge joint mouth endoporus adopts conical surface design, makes it the cone match with endoscope's lock interface, guarantees that in operation, the sealing of mirror sheath is non-leakage.
Fixed lobe can make operating theater instruments form fixed angle, can change on the other hand the angle of operating theater instruments and sheath pipe by changing the replaceable projection of different angles, meets the demand of different operating theater instruments angles.Replaceable projection is inserted in dovetail slot, now need slightly firmly, make replaceable projection have a little deformation in the process of inserting, continue to promote forward replaceable projection, then the position that the frictional force that is accompanied by plastics is pushed to cut-off platform stops, fixing complete.Replaceable projection now all has the protection of a grade limit, dovetail groove, cut-off platform in the middle of the insertion of performing the operation and fall back process, can not drop.Guaranteed like this safety of product.
In endoscopic procedures, sometimes need to regulate at any time operating theater instruments angle, now just need a kind of device of adjusting instrument angle arbitrarily, so this mirror sheath comprises a set of apparatus angle adjustment mechanism.By screwing the apparatus adjusting knob of control part, drive internal gear to rotate, at this moment gear driven tooth bar, driven the steel wire being fixed on tooth bar simultaneously, steel wire by steel wire passage with lift device and be connected, the swing that device carries out certain angle is lifted in drive, the operating theater instruments of lifting device and insertion fits tightly, thereby drives operating theater instruments to carry out certain angle swing, realizes the angle of the operating theater instruments of adjusting instrument passage.Here the gear relating to and tooth bar all adopt the medical plastic that hardness is higher, guarantee the durability of apparatus.
In some splanchnoscopies, can use Medical Cold Light Source, so we are provided with arc transparent window at sight glass front end, the higher medical plastic of employing see-through.Form indoor design is level and smooth, and central angle is acute angle simultaneously, and this design can be observed source reflection impact on sight glass drops to minimum, avoids observing unclear phenomenon because of the reflective sight glass causing.
In common operation, choose the sheath pipe in cross section shown in Fig. 4: endoscope enters human body by sight glass passage, operating theater instruments enters human body by instrument channel and Inlet and outlet water passage, and this passage also can be controlled Inlet and outlet water by external valve simultaneously, can rinse human body.Controlling the steel wire of operating theater instruments angle can control operating theater instruments by steel wire passage; Only needing splanchnoscopy not need, in the process of operation, can choose the sheath pipe in cross section shown in Fig. 5.Endoscope enters human body by sight glass passage.Inlet and outlet water passage can carry out Inlet and outlet water by inlet/outlet valve gate control, can rinse human body.In sight glass passage, be also provided with metal tube, for increasing the intensity of sight glass passage simultaneously; Sometimes, in endoscopic procedures, need more than a kind of operating theater instruments to perform the operation, now can select the sheath pipe in cross section shown in Fig. 6.Endoscope enters human body by sight glass passage, and a plurality of operating theater instruments can enter human body by Inlet and outlet water passage and instrument channel (23), and this passage also can pass through inlet/outlet valve gate control Inlet and outlet water simultaneously, can rinse human body; Sometimes in endoscopic procedures, when wanting more than a kind of operating theater instruments to perform the operation, also to control a certain operating theater instruments by steel wire, now can select the sheath pipe in cross section shown in Fig. 7.Endoscope enters human body by sight glass passage, a plurality of operating theater instruments can enter human body by Inlet and outlet water passage and instrument channel, this passage also can pass through inlet/outlet valve gate control Inlet and outlet water simultaneously, can rinse human body, and steel wire can be controlled operating theater instruments by steel wire passage.
On insertion section, be provided with labelling, and start partly there is scale mark to control subject from sheath head rear end.If scale mark just starts from top, insertion section to arrange, owing to generally all thering is certain surgical depth interior in peeping operation, the scale of head portion has just formed waste, so we start from sheath head rear end to arrange here, thereby tentatively judge the depth bounds of focus, better judge the state of an illness.
In having, peep in operation process, the situation that there will be human body fluid to vomit that can not anticipation, as massive hemorrhage etc., therefore interior, peep before operation, can first endoscope embedded Jing Qiaozhong， endoscope rear end 81 be connected to CCD system interface 82, connect good optical cable and video cables.Protective cover one end is connected to endoscope's sheath rear end, adopts the means of parcel that mirror sheath rear end is wrapped, the other end wraps video cables 83 and optical cable 84, guarantees in operation that the body fluid Shi Buhui that gushs in a large number pollutes endoscope rear end and CCD system interface.What the protective cover of mentioning here adopted is fluid-tight medical material.
Above an embodiment of the present utility model is had been described in detail, but described content is only preferred embodiment of the present utility model, can not be considered to for limiting practical range of the present utility model.All equalization variations of doing according to this utility model application range and improvement etc., within all should still belonging to patent covering scope of the present utility model.
Claims (10)
1. a disposable endoscope sheath, comprises insertion section, control part, lock mirror portion; Wherein insertion section comprises sheath head, sheath pipe, and control part comprises main body, Inlet and outlet water valve, and lock mirror portion comprises Telescopic mirror bridge, lock sleeve; Sheath head is positioned at insertion section front end, after connecting utricle pipe, sheath pipe by main body with lock mirror portion Telescopic mirror bridge be connected, Inlet and outlet water valve and apparatus adjusting knob are positioned in endoscope's sheath main body; It is characterized in that: sheath pipe comprises sight glass chamber, instrument channel, steel wire passage and Inlet and outlet water passage; Sheath pipe front end bottom is provided with operating theater instruments angle regulator, and this device can be fixed lobe, lifts device or replaceable projection.
2. a kind of disposable endoscope sheath according to claim 1, it is characterized in that: described lock sleeve comprises Jing Qiaojiekou, lock mirror cover, locking driving lever, lock pressure ring and the disposable clamping ring that is connected to mirror bridge end, described lock mirror cover links into an integrated entity with disposable clamping ring with lock pressure ring, the outside locking driving lever that connects of described lock pressure ring; The interior hole shape of card of described lock pressure ring is corresponding with the locking plate shape of endoscope's lock interface, and the card sizes of lock pressure ring matches with the locked groove of endoscope's lock interface; Described lock mirror cover arrangement of bores one-way movable tooth, described one-way movable tooth rear end is provided with screw thread; Described mirror bridge end outside is also designed with unidirectional tooth and screw thread successively, coordinates and is connected with lock mirror external threading with lock mirror cover endoporus one-way movable tooth.
3. a kind of disposable endoscope sheath according to claim 1, is characterized in that: front end bottom, described sight glass chamber be provided with slot, described slot both sides rib and with the rib cut-off platform of coplanar not; Described slot is dovetail groove, and described dovetail groove is trapezoidal dovetail structure, and slot and rib form the replacing groove of replaceable projection.
4. a kind of disposable endoscope sheath according to claim 1, is characterized in that: also comprise apparatus adjusting knob, apparatus adjusting knob comprises gear and tooth bar; Wheel and rack engagement, steel wire one end is fixed on tooth bar, the other end by steel wire passage with lift device and be connected; Described gear, rack material are preferably the medical plastic that hardness is high.
5. a kind of disposable endoscope sheath according to claim 1, is characterized in that: Telescopic mirror bridge comprises Jing Qiao, rebound leaf, grooved space; It is inner that rebound leaf is arranged on mirror bridge, Jing Qiao rear end, grooved space; Described Telescopic mirror bridge also comprises cushion rubber, gum cover, the preferred silica gel material of described cushion rubber and gum cover.
6. a kind of disposable endoscope sheath according to claim 1, is characterized in that: described sheath head is provided with arc transparent window; Described arc transparent window inner surface design is level and smooth, and corresponding central angle is acute angle.
7. a kind of disposable endoscope sheath according to claim 1, is characterized in that: described sheath partial view mirror cavity inner sleeve has metal tube.
8. a kind of disposable endoscope sheath according to claim 2, is characterized in that: described mirror bridge end mirror bridge joint mouth endoporus adopts the conical surface design adapting with endoscope's lock interface.
9. a kind of disposable endoscope sheath according to claim 1, is characterized in that: described mirror sheath rear end part also arranges protective cover; Described protective cover one end parcel endoscope sheath control part body rear, other end parcel CCD observation system cable; Described protective cover material is preferably waterproof medical plastic.
10. a kind of disposable endoscope sheath according to claim 1, is characterized in that: described insertion section outer surface has scale mark; Described scale mark is arranged at sheath head rear end to start to control subject part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320459096.9U CN203400117U (en) | 2013-07-29 | 2013-07-29 | Disposable endoscope sheath |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320459096.9U CN203400117U (en) | 2013-07-29 | 2013-07-29 | Disposable endoscope sheath |
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| Publication Number | Publication Date |
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| CN203400117U true CN203400117U (en) | 2014-01-22 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201320459096.9U Expired - Fee Related CN203400117U (en) | 2013-07-29 | 2013-07-29 | Disposable endoscope sheath |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103381087A (en) * | 2013-07-29 | 2013-11-06 | 天津博朗科技发展有限公司 | Disposable endoscope sheath |
| CN103815859A (en) * | 2014-02-26 | 2014-05-28 | 上海齐正微电子有限公司 | Disposable endoscope for digital transmission |
| WO2018133405A1 (en) * | 2017-01-19 | 2018-07-26 | 深圳开立生物医疗科技股份有限公司 | Endoscope lens mount and endoscope |
| WO2018145433A1 (en) * | 2017-02-08 | 2018-08-16 | 深圳开立生物医疗科技股份有限公司 | Endoscope head base which may eliminate sterilization blind spots and endoscope |
| CN109567725A (en) * | 2019-01-23 | 2019-04-05 | 张伟 | The scope pair forceps channel in adjustable direction |
-
2013
- 2013-07-29 CN CN201320459096.9U patent/CN203400117U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103381087A (en) * | 2013-07-29 | 2013-11-06 | 天津博朗科技发展有限公司 | Disposable endoscope sheath |
| CN103815859A (en) * | 2014-02-26 | 2014-05-28 | 上海齐正微电子有限公司 | Disposable endoscope for digital transmission |
| WO2018133405A1 (en) * | 2017-01-19 | 2018-07-26 | 深圳开立生物医疗科技股份有限公司 | Endoscope lens mount and endoscope |
| WO2018145433A1 (en) * | 2017-02-08 | 2018-08-16 | 深圳开立生物医疗科技股份有限公司 | Endoscope head base which may eliminate sterilization blind spots and endoscope |
| CN109567725A (en) * | 2019-01-23 | 2019-04-05 | 张伟 | The scope pair forceps channel in adjustable direction |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140122 Termination date: 20210729 |