CN102319090B - Disposable double-passage endoscope sheath - Google Patents
Disposable double-passage endoscope sheath Download PDFInfo
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- CN102319090B CN102319090B CN 201110287464 CN201110287464A CN102319090B CN 102319090 B CN102319090 B CN 102319090B CN 201110287464 CN201110287464 CN 201110287464 CN 201110287464 A CN201110287464 A CN 201110287464A CN 102319090 B CN102319090 B CN 102319090B
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- 238000003756 stirring Methods 0.000 claims abstract description 55
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 7
- 239000010959 steel Substances 0.000 claims abstract description 7
- 239000011521 glass Substances 0.000 claims description 70
- 239000002184 metal Substances 0.000 claims description 31
- 230000000007 visual effect Effects 0.000 claims description 15
- 238000007789 sealing Methods 0.000 claims description 13
- 238000012216 screening Methods 0.000 claims description 12
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 8
- 239000000741 silica gel Substances 0.000 claims description 7
- 229910002027 silica gel Inorganic materials 0.000 claims description 7
- 238000013461 design Methods 0.000 claims description 6
- 239000000463 material Substances 0.000 claims description 6
- 238000002955 isolation Methods 0.000 claims description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 16
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- 238000001356 surgical procedure Methods 0.000 abstract 3
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- 238000003745 diagnosis Methods 0.000 description 3
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- 229910001220 stainless steel Inorganic materials 0.000 description 3
- 239000010935 stainless steel Substances 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000001574 biopsy Methods 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000005489 elastic deformation Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000007689 inspection Methods 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000004659 sterilization and disinfection Methods 0.000 description 2
- 206010011409 Cross infection Diseases 0.000 description 1
- 206010029803 Nosocomial infection Diseases 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 210000000080 chela (arthropods) Anatomy 0.000 description 1
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- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000002324 minimally invasive surgery Methods 0.000 description 1
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Abstract
The invention provides a disposable double-passage endoscope sheath. The disposable double-passage endoscope sheath comprises a sheath pipe consisting of an endoscope cavity and an instrument passage which are independent of each other; the front end of the instrument passage is provided with an opening; a stirring wire passage is formed between the endoscope cavity and the instrument passage; a stirring wire passes through the stirring wire passage and the parts of front and back parts of the stirring wire are exposed out of the stirring wire passage, and the front end of the stirring wire is connected with a stirring part; and the stirring part is a roller part or an inverted concave steel wire part. The disposable double-passage endoscope sheath has the advantages that: a head of surgical equipment is flexibly adjusted, so that the condition of a patient is checked and surgery can be performed simultaneously; the working length of an endoscope can be adjusted, and the problem that endoscopes with different working lengths are inconvenient to connect is solved; a surgical part is supported by conveying water through a water inlet passage before surgery, and impurities on the surgical parts are discharged through a water discharge passage to ensure that surgical fields are clear and visible, and the surgery is accurate; and the whole disposable double-passage endoscope sheathis disposable, avoids pollution and is safe and sanitary.
Description
Technical field
The present invention relates to a kind of medical apparatus and instruments, especially relate to a kind of endoscope and operating theater instruments and operating theater instruments position angle of holding simultaneously and can realize the flexibly disposable dual-channel endoscope sheath of adjustment.
Background technology
At medical field, such as urology department, related parts of human body inside is checked or during Minimally Invasive Surgery, not only often to use endoscope, also may need simultaneously some operating theater instruments to enter simultaneously human body and cooperate with endoscope and finish corresponding diagnosis or treatment, so a kind of mirror sheath that can hold simultaneously endoscope and operating theater instruments of needs.In addition, some endoscope's adnexaes that help endoscope and apparatus to enter human body adopted stainless steel more in the past, can carry out repeated disinfection also need to be used in combination, if need to get biopsy specimen or foreign body, for handling and control the operating theater instruments such as biopsy forceps, foreign body forceps, shears, the apparatus operator of also will in the mirror sheath, packing in advance.So, even if in uncomplicated inspection operation, need the endoscope's adnexa assembled in situ combination more than at least three kinds after, could cooperate endoscope and pincers the operating theater instruments such as to cut and finish inspection and perform the operation.The problem of using the combinations thereof adnexa to exist, the one, reuse and the apparatus of many combinations, thoroughly do not cause patient's cross infection because of sterilization easily, the 2nd, the doctor is the various adnexaes of assembling in checking operation, need to be familiar with the instrumentation method, work loaded down with trivial details and increased workload, operating time is prolonged.
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: at first, adjustment to operating theater instruments in the diagnosis and treatment is very limited, can only realize reaching forward, backward the adjustment around its axle center rotation, working range is less.In addition, because sight glass chamber front end adopts the rigidity sealing, the entire length that has limited the sight glass chamber is immutable, and different endoscope's working portion length there is some difference, following problem can appear: the one, when endoscope being put into sight glass chamber front end and puts in place, as easy as rolling off a log mirror bridge tip lock lens device and the endoscope's connecting portion locking that can not put in place that causes can't be realized connecting; The 2nd, although the terminal locking of endoscope and mirror bridge, the unfavorable distance of formation affects field of view between the screening glass of endoscope distal end and sight glass chamber front end transparent visual, more than two all cause endoscope normally to use.Secondly, although the terminal retaining mechanism that is provided with of the mirror bridge of this mirror sheath, this retaining mechanism is also reusable after operation finishes to unload endoscope, causes easily infection.
Summary of the invention
The matter of utmost importance that the present invention will solve provides a kind of operating theater instruments that can make and adjusts position, angle is more flexible, but the accurate work space of operation is larger dual-channel endoscope sheath.
For solving the problems of the technologies described above, the technical solution used in the present invention is: a kind of disposable dual-channel endoscope sheath, comprise by the sheath pipe that forms of sight glass chamber and instrument channel independently separately, the front end of described instrument channel is open type, also be provided with between sight glass chamber and the instrument channel and stir a passage, one stirs silk passes to stir and respectively has part to expose before and after a passage and its to stir a passage, stirs a front end and is connected with one and stirs parts; Describedly stir the steel wire parts that parts are rotor block or inverted " recessed " font.
Further, described endoscope sheath also comprises mirror sheath main body and is connected to the interior Jing Qiao of mirror sheath main body, sheath pipe rear end is connected with mirror sheath main body, described sheath pipe is become separately independently metal speculums chamber and instrument channel by the metal tube isolation, sheath pipe front end is open opening, opening is provided with the annular stop platform, and limiting stand ring internal diameter is suitable mutually with the metal tube internal diameter that forms the sight glass chamber; Metal tube front end installing sealed transparent visual protection bluff piece in the described sheath pipe, the position of transparent visual screening glass keeps certain adjustable distance apart from sheath pipe front end; Described mirror bridge end is provided with the lock lens device.
Further, the rear and front end is provided with supporting layer in the described sheath tube chamber, scribbles annular silica gel between metal tube and the supporting layer.
Further, described Jing Qiao is extension type Jing Qiao, described sight glass cavity rear end communicates with extension type Jing Qiao by mirror sheath main body, extension type Jing Qiao also comprises mirror sheath main body connecting portion, sealing ring, baffle ring and spacing collar, described mirror sheath main body connecting portion is connected with mirror sheath main body, extension type mirror bridge front end is provided with sealing ring and baffle ring successively, extension type Jing Qiao and mirror sheath main body connecting portion are connected the sight glass chamber and are connected and communicate with mirror sheath main body, described spacing collar is fixedly connected with from the rear end installing of baffle ring and with mirror sheath main body connecting portion.
Further, described lock lens device is type self-destroyed lock lens device, comprise the Jing Qiaojiekou, lock mirror cover, locking driving lever, lock pressure ring and the disposable clamping ring that are connected to mirror bridge end, described lock mirror cover links into an integrated entity with disposable clamping ring with the lock pressure ring, the outside locking driving lever that connects of described lock pressure ring; The interior hole shape of the 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; The terminal outside of described mirror bridge also is designed with unidirectional tooth and screw thread successively, is connected with the one-way movable tooth cooperation of lock mirror cover endoporus and with lock mirror external threading.
Further, described mirror bridge end mirror bridge joint mouth endoporus adopts the conical surface design that adapts with endoscope's lock interface.
Further, the front end bottom in described sight glass chamber also is provided with a protuberance, and protuberance is positioned at the place ahead of instrument channel opening.
Further, described sheath pipe is respectively equipped with separately independently intake tunnel and exhalant canal except the vacant part of stirring a passage, instrument channel and sight glass chamber.
Further, described transparent visual screening glass and sight glass chamber axial direction are the angle of 20 °, 60 °, 78 ° or 90 °.
Further, the material of described disposable endoscope mirror sheath is macromolecular material.
Advantage and good effect that the present invention has are:
1, operating theater instruments is stretched out and is clipped one between the part of instrument channel and the sheath pipe and stir parts, and silk is stirred in front and back, has driven to stir moving forward and backward of parts, makes the apparatus hair of operating theater instruments give birth to the flexible adjustment of luffing angle.
2, the stainless steel metal pipe of packing in the sight glass sheath tube chamber forms separately independently sight glass chamber and instrument channel, and has strengthened sight glass sheath pipe bulk strength, makes operation safe, the convenience of endoscope.
3, there is the annular stop platform at sight glass sheath pipe front opening place, can effectively limit when move in the metal speculums chamber and alter to sight glass sheath pipe front end.
4, the front loaded position of metal tube maintains a certain distance apart from sight glass sheath pipe front end, pushing away metal tube before the different operating length according to endoscope during the dress mirror moves, the locking until sight glass connecting portion and mirror bridge tip lock lens device put in place, it is suitably adjustable that the sight glass cavity length is become, and solved the problem that the inconvenience of different operating length sight glass connects.
5, the rear and front end is provided with supporting layer in the sight glass sheath tube chamber; can the support metal pipe and it is moved forward at supporting layer; scribble silica gel between metal tube and the supporting layer; because silica gel has certain elastic deformation; be beneficial to metal tube and move and seal, guarantee that endoscope distal end and the transparent visual screening glass of metal partial view mirror intracavity closely pressed close to.
Adjust extremely easily the length of self when 6, extension type mirror bridge can be packed the mirror sheath in endoscope according to different endoscope's active lengths, make it to cooperate suitably with endoscope, endoscope can guarantee best operational position in the mirror sheath, and the convenient and extension type mirror bridge tip lock lens device locking that puts in place, be combined with the effect of above-mentioned removable metal tube tract, convenient solution the problem that is connected with the mirror sheath of different operating length endoscope inconvenience.
7, adopted type self-destroyed lock lens device, endoscope's mirror sheath of can only disposablely packing in operation, and by the pinning of lock lens device, behind the Operations Research, the disposable clamping ring of necessary artificial demolition lock lens device, the lock pressure ring is separated with lock mirror cover and Jing Qiao, with taking-up endoscope, and make the mirror sheath can not again connect and lock endoscope, thereby guarantee that disposable endoscope mirror sheath is not reused, avoid polluting safety and sanitation.
8, because the mirror bridge joint mouth endoporus of mirror bridge end adopts conical surface design, make it the cone match with endoscope's lock interface, guarantee that the sealing of mirror sheath is non-leakage in the operation.
9, the front end bottom in sight glass chamber also is provided with a protuberance, protuberance is positioned at the place ahead of instrument channel opening, after operating theater instruments is stretched out instrument channel, its front end is because the restriction of being swelled, advance shaft is to departing from, produce certain distance with sight glass chamber front end, avoid blocking the look-out station in sight glass chamber, and then can not affect the observation of endoscope.
10, be respectively equipped with the water-in and water-out passage at the sheath pipe except the vacant part of stirring a passage, instrument channel and sight glass chamber, before operation, intake to prop up operative site by intake tunnel, the impurity of getting rid of simultaneously operative site by drainage channel, so that as seen surgical field of view limpid, operation accurately.
11, the different angles of other transparent visual screening glass are applicable to the endoscope of multiple viewing directional angle.
Description of drawings
Fig. 1 is structural representation of the present invention;
Fig. 2 is the plan structure sketch map of Fig. 1;
Fig. 3 is the sketch map of sight glass of the present invention chamber front-end architecture;
Fig. 4 is the parts structural representation of stirring of the present invention;
Fig. 5 is the parts structural representation of stirring of the present invention;
Fig. 6 is instrument channel and the shaft section sketch map of stirring the mirror sheath that a passage communicates;
Fig. 7 is instrument channel and the shaft section sketch map of stirring the mirror sheath that a passage do not communicate;
Fig. 8 is the structural representation before the extension type Jing Qiao assembling of the present invention;
Fig. 9 is the structural representation after extension type mirror bridge construction assembling of the present invention is finished;
Figure 10 is the three-dimensional partial schematic sectional view of extension type mirror bridge construction of the present invention;
Figure 11 is the three-dimensional partial schematic sectional view of the type self-destroyed lock lens device of the present invention;
Figure 12 is the structural representation of the type self-destroyed lock lens device of the present invention;
Figure 13 is the structural representation of the type self-destroyed lock lens device lock of the present invention mirror cover;
Figure 14 is the left view of Figure 13 along B-B to shaft section;
Figure 15 is the terminal outside structural representation of extension type mirror bridge of the present invention;
Figure 16 is the left view of Figure 15 along A-A to shaft section;
Figure 17 is the structural representation that extension type Jing Qiao of the present invention and type self-destroyed lock lens device pin;
Figure 18 be bring into, the instrument channel of water outlet tract and the shaft section sketch map of stirring the mirror sheath that a passage communicates;
Figure 19 be bring into, the instrument channel of water outlet tract and the shaft section sketch map of stirring the mirror sheath that a passage communicates.
Among the figure:
1, sheath pipe 2, sight glass chamber 3, instrument channel
4, protuberance 5, operating theater instruments 7, stir silk
8, stir parts 9, stir a passage 11, Jing Qiao
13, supporting layer 14, metal tube 15, limiting stand
16, transparent visual screening glass 17, silica gel 110, extension type Jing Qiao
21, mirror sheath main body connecting portion 23, sealing ring 24, baffle ring
25, spacing collar 32, mirror bridge joint mouth 33, lock mirror cover
34, locking driving lever 35, lock pressure ring 36, disposable locking cracking groove
38, unidirectional tooth 39, one-way movable tooth 111, helicla flute
112, sight glass alignment pin 331, guide cylinder 351, sight glass locking end
30, instrument channel end 81, operating grip
The specific embodiment
Such as Fig. 1-shown in Figure 5, the present invention includes by separately independently the sheath pipe 1, the mirror sheath main body that form of sight glass chamber 2 and instrument channel 3, be connected to mirror bridge 11, water intaking valve and outlet valve in the mirror sheath main body, sheath pipe 1 rear end is connected with mirror sheath main body, the front end of instrument channel 3 is open type, also be provided with one between sight glass chamber 2 and the instrument channel 3 and stir a passage 9, one stirs silk 7 passes to stir and respectively has part to expose before and after a passage 9 and its to stir a passage 9, stirs silk 7 front ends that expose the previous section of stirring a passage 9 and is connected with one and stirs parts 8.Stir parts 8 and can be rotor block as shown in Figure 2, the operating theater instruments 5 that the rotor block contact is passed from instrument channel end 30 makes adjustment more natural; Or the steel wire parts of inverted " recessed " font as shown in Figure 3, it is inverted " recessed " character form structure that a steel wire is curved front end, such structure is not so that indent contact operating theater instruments 5 affects the normal operation of operating theater instruments 5.Expose and stir stirring silk 7 aft section and can directly being controlled by staff of a passage 9, or connect an operating grip 81.Stir silk 7 and can be under healthcare givers operation move forward and backward stirring a passage 9 interior realizations, drive and stir parts 8 and move forward and backward; Because stirring parts 8 is to be clipped between operating theater instruments 5 and the mirror sheath, stir moving forward and backward of parts 8, so that expose the axis of operating theater instruments 5 parts of instrument channel 3 and the angle of instrument channel 3 axis changes, not only can avoid blocking the look-out station in sight glass chamber 2, but also can handle operating theater instruments 5, the work space of the apparatus head of operating theater instruments 5 front ends just no longer is confined to be close to that space of mirror sheath, in the situation that does not change mirror sheath position, just can make the work space expanded range of operating theater instruments head, realize that work-up carries out operation technique simultaneously.
For making adjustment more natural, stir silk 7 and can adopt one steel wire, also can adopt multiply finer wire strand around the steel wire that forms.
For saving the space, type minifier sheath volume and diameter are stirred a passage 9 and can be communicated with instrument channel 3, and namely both cross sections intersect, and as shown in Figure 6, this structure is also than being easier to processing.Also can adopt the form of the embodiment of Fig. 7, namely instrument channel 3 with stir a passage 9 and do not communicate.
Further, as shown in figures 1 and 3, sheath pipe 1 of the present invention is become separately independently metal speculums chamber 2 and instrument channel 3 by a metal tube 14 isolation; The rear and front end is provided with supporting layer 13 in sight glass sheath pipe 1 cavity, can support metal pipe 14 and it is moved forward at supporting layer 13, scribble annular silica gel 17 between metal tube 14 and the supporting layer 13, because silica gel 17 has certain elastic deformation, be beneficial to metal tube 14 and move and seal, guarantee that endoscope distal end and the transparent visual screening glass 16 in the metal partial view mirror chamber 2 closely pressed close to; Sight glass sheath pipe 1 front end outer surface is the circular arc of protuberance, sheath pipe 1 front end is open opening, opening is provided with annular stop platform 15, and limiting stand 15 ring internal diameters are suitable mutually with sight glass chamber 2 metal tubes, 14 internal diameters, alters to sheath pipe 1 front end when effectively move in restriction metal speculums chamber 2 when work; A kind of optimal way as this example; metal tube 14 is stainless steel tube; metal tube 14 front ends adopt welding to be connected sealed transparent visual protection bluff piece 16 with the gummed mode; the position of transparent visual screening glass 16 keeps certain adjustable distance apart from sheath pipe 1 front end; pushing away metal tube 14 before the different operating length according to endoscope when the dress mirror moves; the locking until endoscope's connecting portion and mirror bridge tip lock lens device put in place, it is suitably adjustable that sight glass chamber 2 length are become.
Further, mirror bridge 11 of the present invention is such as Fig. 8-extension type mirror bridge 110 shown in Figure 10,2 rear ends, sight glass chamber communicate with extension type mirror bridge 110 by mirror sheath main body, extension type mirror bridge 110 also comprises mirror sheath main body connecting portion 21, sealing ring 23, baffle ring 24 and spacing collar 25, mirror sheath main body connecting portion 21 is connected with mirror sheath main body, extension type mirror bridge 110 front ends are provided with sealing ring 23 and baffle ring 24 successively, extension type mirror bridge 110 and mirror sheath main body connecting portion 21 are connected sight glass chamber 2 and are connected and communicate with mirror sheath main body, spacing collar 25 is fixedly connected with from the rear end installing of baffle ring 24 and with mirror sheath main body connecting portion 21.
The end of extension type mirror bridge 110 of the present invention is provided with disposable self-destructing lock lens device, such as Figure 11, shown in Figure 12, comprise the mirror bridge joint mouth 32, lock mirror cover 33, locking driving lever 34, lock pressure ring 35 and the disposable clamping ring that are connected to extension type mirror bridge 110 ends, lock mirror cover 33 links into an integrated entity with the disposable clamping ring of lock pressure ring 35 usefulness, the outside attachings locking of lock pressure ring 35 driving levers 34, lock mirror cover 33 are connected with extension type mirror bridge 110.Owing to make one when lock mirror cover 33, locking driving lever 34, lock pressure ring 35 and disposable clamping ring are initial, lock mirror cover 33 is connected with the disposable clamping ring of lock pressure ring 35 usefulness, disposable clamping ring side is provided with disposable locking cracking groove 36, when this design is convenient to bring into use endoscope packed into mirror sheath and lock mirror, thereby and after using disposable clamping ring torn along disposable locking cracking groove 36 lock mirror cover 33 and lock pressure ring 35 are separated, be convenient to endoscope's taking-up from the sight glass chamber 2 of mirror sheath and extension type mirror bridge 110.The locking plate of lock pressure ring 35 card endoporus (being sight glass locking end 351) shape, size and endoscope lock interface and shape, the size of locked groove are corresponding, make things convenient for endoscope's attaching to cooperate and the lock mirror, the locking driving lever 34 of lock pressure ring 35 outsides drives lock pressure ring 35 and rotates, and makes lock pressure ring 35 cards lock endoscope's locked groove.
Such as Figure 13-shown in Figure 16, the lock mirror overlaps 33 arrangement of bores one-way movable teeth 39, and one-way movable tooth 39 rear ends are provided with screw thread; Extension type mirror bridge 110 terminal outsides also are designed with unidirectional tooth 38 and screw thread successively, overlap that 33 endoporus one-way movable teeth 39 cooperate and overlap 33 with the lock mirror with the lock mirror and be threaded, namely locking guide cylinder 331 that mirror overlaps 33 inner surfacies moves along helicla flute 111 spirals of extension type mirror bridge 110 terminal outer setting, the locking that puts in place, unidirectional tooth 38 and one-way movable tooth 39 are unidirectional retaining ring lock tooth; Extension type mirror bridge 110 ends are provided with sight glass alignment pin 112, with the locating slot location chucking in the endoscope.The lock mirror overlaps 33 endoporus and extension type mirror bridge 110 terminal outside unidirectional teeth 38 cooperatively interact, guarantee one-directional rotation to lock mirror with lock mirror cover 33 retaining rings that are connected 35, and can not the rollback release, disposable clamping ring must be torn lock mirror cover 33 and lock pressure ring 35 are separated, just can be with endoscope's taking-up from the sight glass chamber 2 of mirror sheath and extension type mirror bridge 110; The lock mirror overlaps 13 endoporus is connected terminal outside screw thread design and is convenient to lock being connected and rotation of mirror cover 13 and extension type mirror bridge 2 with extension type mirror bridge; Extension type mirror bridge 2 end mirror bridge joint mouths 12 endoporus adopt conical surface design, make it the cone match with endoscope's lock interface, guarantee that the sealing of mirror sheath is non-leakage in the operation.
First extension type mirror bridge 110 of the present invention is assembled before use, as shown in Figure 8, first sealing ring 23 is installed in extension type mirror bridge 110 front ends, spacing collar 25 is set in the outside of extension type mirror bridge 110; Baffle ring 24 is bonded in the rear end of extension type mirror bridge 110 forward end seal circles 23, spacing collar 25 is from the rear end installing of baffle ring 24 simultaneously again; Then mirror sheath main body connecting portion 21 and extension type mirror bridge 110 are tightly connected by sealing ring 23; At last with spacing collar 25 and mirror sheath main body connecting portion 21 fixed bondings, as shown in Figure 9 and Figure 10.
In use, as shown in figure 17, extension type mirror bridge 110 can be according to different endoscope's active lengths, the spacing length of adjusting extremely easily extension type mirror bridge 110 of block and spacing collar 25 by baffle ring 24 when endoscope packs the mirror sheath into, make it to cooperate suitably with endoscope, endoscope can guarantee best operational position in the mirror sheath, and convenient type self-destroyed lock lens device with the extension type mirror bridge 110 ends locking that puts in place, solved the inconvenient problem that is connected with the mirror sheath of different operating length endoscope.
Further, as shown in Figure 3, the front end bottom in sight glass chamber 2 also is provided with a protuberance 4, protuberance 4 is positioned at the place ahead of instrument channel 3 openings, and after operating theater instruments 5 was stretched out instrument channel 3, its front end was owing to be subject to the restriction of smooth protuberance 4, advance shaft produces certain distance to departing from sight glass chamber 2 front ends; Other part junctions of the surface of described protuberance 4 and sheath pipe are smooth transition, and it is very little to make operating theater instruments 5 front ends run into the protuberance resistance that can be subject at 4 o'clock; Described protuberance 4 shaped cross are trough shape, and trough bottom is higher than the bottom of instrument channel 3, and this set is to push ahead for operating theater instruments 5, and its front end was run into protuberance at 4 o'clock, and it is little not only to be subject to resistance, and departing from of producing is also not too large.
Further, transparent visual screening glass 16 is multiple angles with the axial direction in sight glass chamber 2, is divided into 20 °, 60 °, 78 ° or 90 ° etc. as several optimal ways of this example, like this applicable to the endoscope of multiple viewing directional angle.
Further, such as Figure 18, shown in Figure 19, sheath pipe 1 is respectively equipped with separately independently intake tunnel and exhalant canal except the vacant part of stirring a passage 9, instrument channel 3 and sight glass chamber 2, and intake tunnel connects water intaking valve, and exhalant canal connects outlet valve.Before operation, close outlet valve by opening water intaking valve, make intake tunnel intake to prop up operative site; Close simultaneously water intaking valve and open outlet valve, make water by the impurity of drainage channel eliminating operative site, so that surgical field of view is as seen limpid.As shown in figure 18, the water-in and water-out passage can be done circular; For saving the space, type minifier sheath volume and diameter, water-in and water-out passage also can be made approximate ellipsoidal as shown in figure 19.
Employing macromolecular material of the present invention is made, and can adopt transparent plastic material etc.
In operation, disposable dual-channel endoscope sheath is inserted in the human body, outlet valve is closed, by water intaking valve water is injected in the mirror sheath main body, water enters human body by intake tunnel, then closes water intaking valve, open outlet valve, the water that pollutes is abandoned by exhalant canal, until the water cleaning.Endoscope inserts in the sight glass chamber 2 through extension type mirror bridge 110, and type self-destroyed lock lens device is fixing with endoscope and extension type mirror bridge 110.Observe diseased region by transparent visual screening glass 16.Operating theater instruments 5 is 30 insertion instrument passages 3 through the instrument channel end, and the opening label taking by instrument channel 3 front ends this, after having detected, thereby stirring locking driving lever 34 tears disposable clamping ring and makes lock mirror cover 33 and lock pressure ring 35 and separate along disposable locking cracking groove 36, endoscope is taken out from the sight glass chamber 2 of mirror sheath and extension type mirror bridge 110, disposable dual-channel endoscope sheath is abandoned, and simple disinfect endoscopes and operating theater instruments 5 get final product.Because endoscope in the sight glass chamber 2 of sealing, and can not be subject to germ contamination, safety and sanitation fully.
More than one embodiment of the present of invention are had been described in detail, but described content only is preferred embodiment of the present invention, can not be considered to be used to limiting practical range of the present invention.All equalizations of doing according to the present patent application scope change and improve etc., all should still belong within the patent covering scope of the present invention.
Claims (9)
1. disposable dual-channel endoscope sheath, comprise by the sheath pipe (1) that forms of sight glass chamber (2) and instrument channel (3) independently separately, the front end of described instrument channel (3) is open type, it is characterized in that: also be provided with between sight glass chamber (2) and the instrument channel (3) and stir a passage (9), one stirs silk (7) passes to stir and respectively has part to expose before and after a passage (9) and its to stir a passage (9), stir silk (a 7) front end and be connected with one and stir parts (8), describedly stir the steel wire parts that parts (8) are rotor block or inverted " recessed " font;
Described endoscope sheath also comprises mirror sheath main body and is connected to the interior Jing Qiao (11) of mirror sheath main body, sheath pipe (1) rear end is connected with mirror sheath main body, described sheath pipe (1) is become separately independently metal speculums chamber (2) and instrument channel (3) by metal tube (14) isolation, sheath pipe (1) front end is open opening, opening is provided with annular stop platform (15), and limiting stand (15) ring internal diameter is suitable mutually with metal tube (14) internal diameter that forms sight glass chamber (2);
The interior metal tube of described sheath pipe (1) (14) front end installing sealed transparent visual protection bluff piece (16), the position of transparent visual screening glass (16) keeps certain adjustable distance apart from sheath pipe (1) front end;
Described Jing Qiao (11) end is provided with the lock lens device, described lock lens device is type self-destroyed lock lens device, comprise and be connected to the terminal Jing Qiaojiekou (32) of Jing Qiao (11), lock mirror cover (33), locking driving lever (34), lock pressure ring (35) and disposable clamping ring, described lock mirror cover (33) links into an integrated entity with disposable clamping ring with lock pressure ring (35), the outside locking driving lever (34) that connects of described lock pressure ring (35).
2. a kind of disposable dual-channel endoscope sheath according to claim 1 is characterized in that: the rear and front end is provided with supporting layer (13) in described sheath pipe (1) cavity, scribbles annular silica gel (17) between metal tube (14) and the supporting layer (13).
3. a kind of disposable dual-channel endoscope sheath according to claim 1, it is characterized in that: described Jing Qiao (11) is extension type Jing Qiao (110), rear end, described sight glass chamber (2) communicates with extension type Jing Qiao (110) by mirror sheath main body, extension type Jing Qiao (110) also comprises mirror sheath main body connecting portion (21), sealing ring (23), baffle ring (24) and spacing collar (25), described mirror sheath main body connecting portion (21) is connected with mirror sheath main body, extension type Jing Qiao (110) front end is provided with sealing ring (23) and baffle ring (24) successively, extension type Jing Qiao (110) and mirror sheath main body connecting portion (21) are connected sight glass chamber (2) and are connected and communicate with mirror sheath main body, described spacing collar (25) is fixedly connected with from the rear end installing of baffle ring (24) and with mirror sheath main body connecting portion (21).
4. a kind of disposable dual-channel endoscope sheath according to claim 1, it is characterized in that: the interior hole shape of the card of described lock pressure ring (35) is corresponding with the locking plate shape of endoscope's lock interface, and the card sizes of lock pressure ring (35) matches with the locked groove of endoscope's lock interface;
Described lock mirror cover (33) arrangement of bores one-way movable tooth (39), described one-way movable tooth (39) rear end is provided with screw thread;
The terminal outside of described Jing Qiao (11) also is designed with unidirectional tooth (38) and screw thread successively, cooperates with lock mirror cover (33) endoporus one-way movable tooth (39) and with lock mirror cover (33) and be threaded.
5. a kind of disposable dual-channel endoscope sheath according to claim 4 is characterized in that: the conical surface design that described Jing Qiao (11) end mirror bridge joint mouth (32) endoporus adopts and endoscope's lock interface adapts.
6. a kind of disposable dual-channel endoscope sheath according to claim 1 is characterized in that: the front end bottom in described sight glass chamber (2) also is provided with a protuberance (4), and protuberance (4) is positioned at the place ahead of instrument channel (3) opening.
7. a kind of disposable dual-channel endoscope sheath according to claim 1, it is characterized in that: described sheath pipe (1) is respectively equipped with separately independently intake tunnel and exhalant canal except the vacant part of stirring a passage (9), instrument channel (3) and sight glass chamber (2).
8. a kind of disposable dual-channel endoscope sheath according to claim 2 is characterized in that: described transparent visual screening glass (16) and sight glass chamber (2) axial direction are the angle of 20 °, 60 °, 78 ° or 90 °.
9. the described a kind of disposable dual-channel endoscope sheath of any one according to claim 1-3, it is characterized in that: the material of described disposable dual-channel endoscope sheath is macromolecular material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN 201110287464 CN102319090B (en) | 2011-09-24 | 2011-09-24 | Disposable double-passage endoscope sheath |
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| Application Number | Priority Date | Filing Date | Title |
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| CN 201110287464 CN102319090B (en) | 2011-09-24 | 2011-09-24 | Disposable double-passage endoscope sheath |
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| CN102319090A CN102319090A (en) | 2012-01-18 |
| CN102319090B true CN102319090B (en) | 2013-10-23 |
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| CN 201110287464 Active CN102319090B (en) | 2011-09-24 | 2011-09-24 | Disposable double-passage endoscope sheath |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103654944B (en) * | 2012-09-25 | 2015-08-19 | 天津博朗科技发展有限公司 | Instrument angle and the length-adjustable endoscope sheath of mirror sheath |
| CN103654873B (en) * | 2012-09-25 | 2015-11-18 | 天津博朗科技发展有限公司 | Disposable endoscope mirror sheath |
| CN103654942B (en) * | 2012-09-25 | 2015-11-25 | 天津博朗科技发展有限公司 | With the disposable endoscope mirror sheath of surgical instrument angle adjustment device |
| US20160120395A1 (en) * | 2012-09-25 | 2016-05-05 | Tianjin Bolang Science-Technology Development Co. , Ltd. | Disposable endoscope sheath |
| CN103505176B (en) * | 2013-09-18 | 2015-04-29 | 天津博朗科技发展有限公司 | Length-adjustable endoscope sheath with disposable locking mechanism |
| CN106361388A (en) * | 2016-11-02 | 2017-02-01 | 张立军 | Endoscope sheath probe tube and manufacturing method thereof |
| CN107822580A (en) * | 2017-10-20 | 2018-03-23 | 上海安清医疗器械有限公司 | First end head, endoscope and its manufacture method of a kind of honeycomb structure |
| CN109717824A (en) * | 2017-10-27 | 2019-05-07 | 浙江瑞德医疗科技有限公司 | Integration entirely prevents the disposable endoscope of cross-infection |
| CN109975971B (en) * | 2017-12-27 | 2021-09-07 | 上海微创医疗机器人（集团）股份有限公司 | Endoscope power locking and adjusting mechanism and endoscope holding system |
| CN209236232U (en) * | 2018-09-05 | 2019-08-13 | 山东冠龙医疗用品有限公司 | A kind of multiple channel operation casing |
| CN109171611B (en) * | 2018-10-25 | 2024-07-02 | 陈勇 | Endoscope apparatus |
| WO2020168868A1 (en) * | 2019-02-19 | 2020-08-27 | 普多邦兴达(天津)医疗科技有限公司 | Protective auxiliary device for minimally invasive endoscope |
| CN113712485A (en) * | 2020-05-25 | 2021-11-30 | 卓外（上海）医疗电子科技有限公司 | Endoscope front end piece mounting structure |
| CN112120787B (en) * | 2020-09-23 | 2024-08-09 | 安徽医科大学第一附属医院 | A high-power laser resectoscope and flushing control method thereof |
| CN112790731B (en) * | 2021-01-28 | 2025-04-04 | 南通市肿瘤医院 | A fluorescent laparoscope for clinical surgery of esophageal cancer |
| CN114098596B (en) * | 2021-08-17 | 2025-01-10 | 江门市硕通医疗器械科技有限公司 | A medical endoscope |
| CN113558499B (en) * | 2021-08-24 | 2022-06-21 | 湘潭大学 | Isolated easy-to-clean food crusher and using method thereof |
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| CN102319090A (en) | 2012-01-18 |
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