CN206120287U

CN206120287U - Disposable medical endoscope

Info

Publication number: CN206120287U
Application number: CN201620715800.6U
Authority: CN
Inventors: 李奕; 刘红宇
Original assignee: Shenzhen Xianzan Technology Co Ltd
Current assignee: Shenzhen Xianzan Technology Co Ltd
Priority date: 2016-02-18
Filing date: 2016-07-08
Publication date: 2017-04-26
Anticipated expiration: 2026-07-08
Also published as: CN107088043A

Abstract

The utility model provides a disposable medical endoscope, includes flexion, connecting portion, hand wheel control part, and the flexion includes that the near -end connects, hinged ring organizes and the distal end connects, and the hand wheel control part includes a wheel components, the 2nd wheel components, is used for driving bending component's winding components, first control cable one end is around locating the first control wheel, the other end is connected with the flexion, and second control cable one end is around locating the second control handwheel, the other end is connected with the flexion, the motion of wheel components control first control wheel, the motion of the 2nd wheel components control second control handwheel. The hinged ring of a plurality of preparations of moulding plastics is articulated each other, and hinged ring passes through mounting groove open ended design, and through smooth the installing in the mounting groove of plastic change messenger's articulated shaft, two liang hinge between the messenger hinged ring, and two control cables distribute to have mercy on and locate two control handwheels, can control four orientations, control through the hand wheel control part, and bending angle is controllable, the reliability height.

Description

A kind of Dispoable medical endoscope

Technical field

The utility model belongs to endoscopic technique field, more particularly to a kind of Dispoable medical endoscope.

Background technology

Endoscope is a kind of conventional medicine equipment, by the insertion section, bend and the leading section that are arranged on operating portion front end Composition, wherein insertion section, bend and leading section are collectively referred to as insertion tube.The natural hole of Jing human bodies, or underwent operative does Little otch is entered in human body；The insertion tube of endoscope is imported the organ of preliminary examination when using, relevant position can be directly spied on Change.

Endoscope is a kind of enervated medicine equipment, and domestic medical endoscope market major part is occupied by external product, valency Lattice will carry out every time sterilization, the maintenance of complexity and high cost, it is possible to after because of disinfecting steps not from tens of thousands of to hundreds of thousands Specification causes cross-infection.Be provided with traditional insert tube of endoscope supply gas/send aquaporin, attraction channel and biopsy channel and Controlling cable, signal cable and optical fibers.Elongated passage thorough disinfection is extremely difficult, but due to the making of current endoscope Cost intensive, it is necessary to reuse.It is necessary to be improved conventional endoscope, reduces the risk of expense and cross-infection.

Disposable products had been engendered later, and Chinese utility model patent " 501110056640.0 " discloses " a kind of Purification type medical endoscope ", its structure is：Include in the soft overall encasement of endoscope, the soft overall encasement of endoscope and arrange There is an endoscope main body, endoscope main body is by medical resin material by imaging lens component, LED/light source and optical fiber light-guiding beam, power supply Line is provided with various passages together with holding wire shroud ring in endoscope main body.

There is problems with above-mentioned technology：Overall to be made using medical resin or flexible material, its poor rigidity is being used When, can not go directly affected part, and angle of bend is little, narrow application range.Endoscope main body and the soft overall encasement of endoscope are still Need sterilization, and unrealized single use truly.

Chinese utility model patent " 200880017615.8 " discloses " a kind of curved part of endoscope ", the endoscope bending Portion is included with cylindrical portion (28), coaxial with each other the multiple section rings (26A, 26B) being set up in parallel, two adjacent section rings One in (26A, 26B) section ring (26A) has be wholely set with cylindrical portion (28), radially extending along cylindrical portion (28) Protuberance (32), another section ring (26B) in adjacent two sections ring (26A, 26B) has and is wholely set with cylindrical portion (28) , the receiving portion (42) that can be rotationally inserted centered on the length axes of protuberance (32) for protuberance (32), respectively save ring (26A, 26B) has extend across with the circumferencial direction of cylindrical portion (28) in cylindrical portion (28) disengaged or has engaged Complete discontinuous portion (34).

A kind of curved part of endoscope disclosed in above-mentioned utility model patent, complex structure, manufacture difficulty is high, production cost Height, does not meet the making requirement of disposable endoscope.

The manufacture of the disposable endoscope to be solved at present, it is necessary to solve two problems：

1st, cost, traditional hundreds thousand of units of endoscope cost, each part involves great expense, it is impossible to directly abandon；

2nd, the sterilization problems of service aisle, do not have at present correlation technique to carry out thorough disinfection to elongated pipeline；

Therefore, for existing problems of the prior art, need a kind of low production cost of offer badly, dependable performance it is disposable The technology of medical endoscope.

Utility model content

The purpose of this utility model is to avoid weak point of the prior art and provide a kind of low production cost, performance Endoscope that is reliable, being available for Dispoable medical.

A kind of Dispoable medical endoscope, including plug-in package, connecting portion, handwheel control unit be provided, the plug-in package, Bend, leading section, service aisle and overcoat including the front end for being arranged at control unit, the service aisle part is arranged at In the connecting portion, another part is connected through the bend with the leading section, and the service aisle is set to be integrated into The service aisle of gas, water inlet, vacuum suction and biopsy；The overcoat coats the bend and the leading section, the overcoat Near-end be tightly connected with the connecting portion；

The bend is provided with support component, and the support component includes proximal joint, is hinged ring group and distal joint, Described distal joint one end connects leading section, and other end connection is hinged the upper end of ring group, and proximal joint one end connection is hinged The lower end of ring group, the other end is fixedly connected with the overcoat,

The handwheel control unit includes the first hand wheel component, the second hand wheel component, the coiling group for driving crooked assembly Part, the wire-winding unit include the first control wheel, the second control wheel, the first controlling cable and the second controlling cable, described first Controlling cable one end is set around first control wheel, and the other end sequentially passes through connecting portion, be hinged ring group and distal joint is fixed Connection, described second controlling cable one end is set around second control wheel, the other end sequentially pass through connecting portion, be hinged ring group with Distal joint is fixedly connected, and the first hand wheel component controls the motion of the first control wheel, and the second hand wheel component controls the second control wheel fortune It is dynamic.

Wherein, including multiple hinge eyes, the plurality of hinge eyes are hinged two-by-two the ring group that is hinged, and the one of the hinge eyes That what is held is radially arranged two the first hinged ears along first, and first hinged ear is hinged with adjacent hinge eyes, the hinge eyes The other end be radially arranged the second hinged ear along second, second hinged ear is hinged with adjacent hinge eyes, described first Radially it is mutually perpendicular to second radial direction.

Wherein, the upper end outer wall of the hinge eyes arranges outer groove, and the inwall of lower end arranges inner groove, and described first is hinged Ear is inserted in the inner groove of adjacent hinge eyes, and second hinged ear is sheathed on the outer groove of adjacent hinge eyes.

Wherein, first hinged ear arranges jointed shaft, and second hinged ear arranges mounting groove, and the mounting groove includes Hinge hole and the installation passage for guiding the jointed shaft loading hinge hole, the entrance of the installation passage is arranged at hinge Lug top or side, the outlet of the installation passage is arranged at hinge hole；The outer end of the jointed shaft arranges block, described Diameter of the transversely or longitudinally size of block more than hinge hole；The throat width of the mounting groove goes out more than the mounting groove Mouth width.

Wherein, the inwall of the hinge eyes is provided with through wires hole, and the through wires hole is oppositely arranged, and adjacent hinge eyes are worn String holes arranges two through wires holes for being used to connect the controlling cable, and described controlling cable one end connects control unit, and the other end is worn Cross after the through wires hole and connect distal joint.

Wherein, the connecting portion includes conduit enclosure, and the near-end of the overcoat inserts the inside the shell, the overcoat and institute State shell and bonding is sealed by dissolving glue, the service aisle is provided with instrument interface, water inlet interface, intake interface and negative pressure and takes out Suction mouth, the water inlet interface, intake interface and negative-pressure ward interface are respectively arranged with magnetic valve.

Wherein, the leading section is provided with light source camera assembly, transparent heat-insulated cover and fixed cylinder, the light source camera assembly Light source, camera and pcb board are provided with, the light source, the camera and the pcb board are fixed in the fixed cylinder, described Fixed cylinder is provided with working channel orifice, and the working channel orifice is correspondingly arranged with the outlet of the service aisle；The septum pellucidum Heat cover is arranged at the front of the light source, and the bottom of the transparent heat-insulated cover is connected with the fixed cylinder, the transparent heat-insulated cover Sightingpiston be set to arc, the arc sightingpiston makes to form insulated cavity between transparent heat-insulated cover and the light source.

Wherein, first control wheel and the second control wheel include wire winding ring, the driving for fixing the wire winding ring Disk, the wire winding ring arranges multiple openings for winding the controlling cable of endoscope, and the drive disk of first control wheel sets The drive hole of the first hand wheel component connection is placed in, the drive disk of second control wheel is arranged and second hand wheel component The drive hole being connected.

Wherein, first hand wheel component include the first gangbar, the first handwheel, described first gangbar one end with it is described First handwheel is fixedly connected, the other end and the first control wheel drive connection；

Second hand wheel component includes the second gangbar, the second handwheel for being arranged at outside endoscope housing, described second Gangbar is arranged in first handwheel, first gangbar and the first control wheel, described second gangbar one end with it is described Second handwheel is fixedly connected, the other end and the second control wheel drive connection.

Wherein, it is provided with the first latch assembly for locking the first hand wheel component and for locking the second hand wheel component Second latch assembly,

First latch assembly includes the first locking plate, spring leaf and the first locking piece, first locking piece and institute The connection of the first handwheel is stated, described spring leaf one end is fixed, the other end arranges link block, the locking plate is arranged and drives the connection Block is coupled with the locking piece, rotates forward the locking plate, when turning to locking position, link block and institute described in the locking dish driving Locking piece connection is stated, the locking plate is inverted, link block described in locking dish driving departs from the locking piece；

Second latch assembly include the second locking piece, connecting piece, the second locking plate, the connecting piece side with it is described Second locking piece is coupled, and opposite side arranges recess and a high position, and the locking plate arranges compact heap, and the compact heap abuts described recessed Position is high-order, and when compact heap is in recess, the connecting piece is separated with second locking piece, when compact heap is in a high position When, the connecting piece is coupled with second locking piece.

The beneficial effects of the utility model are as follows：

Bend of the present utility model, connecting portion and handwheel control unit adopt made of plastic, low cost, compared to existing technology In metal structure, manufacturing cost is lower, is more easy to realize single use.

Bend of the present utility model is hinged using hinge eyes prepared by multiple injections, and hinge eyes are opened by mounting groove Formula design is put, makes jointed shaft smoothly be installed on mounting groove by the change of plasticity, make to be hinged two-by-two between hinge eyes, constituted Support component, by reel controlling cable is fixed, and two through wires holes are provided with hinge eyes, after adjacent hinge eyes are hinged, Through wires hole is distributed in cross row, i.e. threading pore size distribution is located at four direction, and cybernetics, controlling cable are fixed in controlling cable one end It is rich to control relative both direction, two controlling cables of the present utility model point located at the controlling cable of cybernetics, i.e., Cloth is rich to be located at two control wheels, can control four direction, after combination control, can control support component to be hinged ring group any Angle and direction enters horizontal deflection, is controlled by handwheel control unit, and angle of bend is controllable, and reliability is high.

The utility model also adopts preposition image mechanism, using LED/light source, camera and pcb board, instead of existing skill Optical fibers in art, making the manufacturing cost of leading section greatly reduces；Can be square by the detachable attachment mechanism of connecting portion Just the insertion section by connecting portion front end, bend and leading section overall pulling down, then abandon；Holistic cost of the present utility model It is cheap, bending effect and picture imaging effect it is preferable, it is adaptable to single patient or single operation process, it is then overall to abandon, Avoid conventional endoscope disinfection cost high, sterilize the problems such as thoroughly not causing cross pollution, simultaneously as overall cost is low It is honest and clean, being widely popularized for various big hospital and basic hospital is suitable to, improve the recall rate of relevant disease.

Description of the drawings

Fig. 1 is structural representation of the present utility model

Fig. 2 is the structural representation of bend of the present utility model.

Fig. 3 is hinge eyes structural representation of the present utility model；

Fig. 4 is the structural representation of the through wires hole of hinge eyes of the present utility model；

Fig. 5 is the structural representation of the hinge eyes of embodiment of the present utility model 2；

Fig. 6 is the hinge eyes structural representation of embodiment of the present utility model 3；

Fig. 7 is the structural representation of the hinge eyes of embodiment of the present utility model 4.

Fig. 8 is the structural representation of service pipe of the present utility model.

Fig. 9 is the electric control structure schematic diagram of service pipe of the present utility model.

Figure 10 is the structural representation of handwheel control unit of the present utility model.

Figure 11 is the structural representation of the handwheel of handwheel control unit of the present utility model.

Figure 12 is the explosive view of handwheel control unit of the present utility model.

Figure 13 is the latch-up structure schematic diagram of handwheel control unit of the present utility model.,

Figure 14 is latch-up structure another part structural representation of handwheel control unit of the present utility model.

Figure 15 is the structural representation of reel of the present utility model.

1 --- leading section,

11 --- camera assembly, 12 --- transparent heat-insulated cover, 13 --- fixed cylinder,

111 --- light source, 112 --- camera, 131 --- working channel orifice,

2 --- bend, 21 --- support component, 22 --- controlling cable,

211 --- proximal joint, 212 --- it is hinged ring group, 213 --- distal joint,

2121 --- the first hinged ear, 2122 --- jointed shaft, 2123 --- the second hinged ear, 2124 --- hinge hole, 2125 --- inner groove, 2126 --- outer groove, 2127 --- through wires hole, 2128 --- installation passage, 2129 --- block,

3 --- overcoat,

4 --- service aisle.

5 --- connecting portion,

501 --- shell, 502 --- service aisle, 503 --- instrument interface, 504 --- water inlet interface,

505 --- intake interface, 506 --- negative-pressure ward interface, 507 --- non-return magnetic valve, 508 --- air inlet electromagnetism Valve, 509 --- anti-water solenoid valve, 510 --- micro-control switchs.

6 --- handwheel control unit

The hand wheel components of 62-- first, the handwheels of 621-- first, the gangbar of 622-- first,

The hand wheel components of 63-- second, the handwheels of 631-- second, the gangbar of 632-- second, 33-- counterbores,

64-- wire-winding units, the control wheels of 41-- first, the control wheels of 42-- second, 43-- bunch shells, 44-- bunch blocks, 411-wire winding ring, 412-- drive holes, 413-- drive disks, 441-- bunch grooves

The latch assemblies of 65-- first, 51-- locking plates, 52-- ring gears, 53-- spring leafs 53, the projections of 54-- first, 55-- Second projection, 56-- blocks,

The latch assemblies of 66-- second, 661-- first end face gear rings, 662-- connecting pieces, 663-- locking wheels, 664-- springs, 665-slide rail, 6621-- second end face gear rings,

67-- axis.

Specific embodiment

In order that the purpose of this utility model, technical scheme and advantage become more apparent, below in conjunction with accompanying drawing and enforcement Example, is further elaborated to the utility model.It should be appreciated that specific embodiment described herein is only to explain The utility model, is not used to limit the utility model.

Embodiment 1

A kind of Dispoable medical endoscope, including plug-in package, connecting portion 5, handwheel control unit 6, as shown in Fig. 1～Fig. 7, The plug-in package includes bend 2, leading section 1, service aisle 4 and the overcoat 3 of the front end for being arranged at control unit, the overcoat The 3 claddings bend 2；

The bend 2 is provided with support component 21, and the support component 21 includes proximal joint 211, is hinged ring group 212 With distal joint 213, the one end of the distal joint 213 connection leading section 1, the other end connection be hinged ring group 212, the near-end connects The connection of 211 one end is hinged ring group 212, other end connection endoscope control section,

The one end of the service aisle 4 connects the handwheel control unit, and the other end is through the bend 2 and the leading section 1 connection, the overcoat 3 coats the bend 2 and the leading section 1, is set to integrated for supplying gas, sending water, attract and living The service aisle 4 of inspection；

The controlling cable 22 of the handwheel control unit is arranged in successively the proximal joint 211, is hinged ring group 212, with institute State distal joint 213 to connect, the controlling cable 22 is used to control the bending direction of support component 21 and angle；

The electrical source signal cable end of the handwheel control unit passes through proximal joint 211, is hinged ring group 212, distal joint 213, it is connected with the leading section 1.

The leading section 1 is provided with light source camera assembly 11, transparent heat-insulated cover 12 and fixed cylinder 13, light source camera assembly 11 The fixed cylinder 13 is fixed on transparent heat-insulated cover 12, the light source camera assembly 11 is provided with two light sources 111, camera 112 and pcb board, the light source 111, the camera 112 and pcb board are fixed in the fixed cylinder, the fixed cylinder 13 and institute State distal joint 213 to connect, fixed cylinder 13 is provided with working channel orifice 131, the working channel orifice 131 and the service aisle 4 outlet is correspondingly arranged.

The light source 111 is set to LED/light source 111, and the camera 112 includes cmos sensor and camera lens, the mirror Head is fixed in the cmos sensor, and the cmos sensor is fixed in the pcb board, and is connected with the pcb board signal, mirror Head is set to auto-focusing formula camera lens.

The fronts that the transparent heat-insulated cover 12 is arranged at the light source 111, the bottom of the transparent heat-insulated cover 12 with it is described Fixed cylinder 13 connects, and the lower outside of the transparent heat-insulated cover 12 is connected with the hot sealing of the overcoat 3, the transparent heat-insulated cover 12 sightingpiston is set to arc, and the arc sightingpiston makes to form heat-insulated sky between transparent heat-insulated cover 12 and the light source 111 Chamber.

The sightingpiston of transparent heat-insulated cover 12 is set to arc, and the sightingpiston of arc not only expands the scope of sighting distance, can Improve camera lens gathered data accuracy, and arc sightingpiston open country can not scratch human body, be more especially easily broken Affected part.And transparent heat-insulated cover 12 can also increase sighting distance, and in the case that transparent heat-insulated cover 12 is fitted tightly over affected part, camera lens is still The image in affected part can clearly be gathered.

The service aisle 4 is provided with water interface of supplying gas/send in the input of plug-in package, attracts interface and biopsy to connect Mouthful.

Embodiment 2

The main technical schemes of the present embodiment are essentially identical with embodiment 1 or embodiment 2, solve in the present embodiment The feature released, using the explanation in embodiment 1 or embodiment 2, here is no longer repeated.The present embodiment 1 and embodiment 2 Difference is：

As shown in Figure 2 and Figure 3, ring group 212 is hinged including multiple hinge eyes 31, multiple hinge eyes 31 are hinged two-by-two, by two Two types of attachment being hinged, make all of hinge eyes 31 connect into complete upper end for being hinged the hinge eyes 31 of ring group 212 Two the first hinged ears 2121 are radially arranged along first, the first hinged ear 2121 is hinged with adjacent hinge eyes 31, hinge eyes 31 Lower end be radially arranged the second hinged ear 2123 along second, the second hinged ear 2123 is hinged with adjacent hinge eyes 31, first It is radially radially vertical with second.Hinged ear and hinge hole are respectively arranged at horizontal and vertical, the jointed shaft of same hinge eyes 31 2122 axial lines are mutually perpendicular to the center line for being hinged 2124 holes, therefore adjacent two are hinged swaying direction and are mutually perpendicular to, only Only universal connection can be formed by 3 hinge eyes 31, realization is hinged the universal bending of ring group 212.

Connecting portion is set to protrude from hinge eyes 31, hinge eyes by arranging the first hinged ear 2121 and the second hinged ear 2123 Group 212 bend when, adjacent hinge ring 31 have larger revolution space, will not occur before predetermined angular is rotated to screens or Person touches, and is hinged ring group 212 with larger angle of bend, during using endoscopic observation, can make leading section 1 according to required Angle bends.

Specifically, the upper end edge diametrically opposed location of hinge eyes 31 arranges arc recess, and the is formed between two recess One hinged ear 2121, the outside of the first hinged ear 2121 arranges jointed shaft 2122, the diametrically opposite phase in lower end of hinge eyes 31 Contraposition installs arc recess, and the second hinged ear 2123 is formed between two recess, and the second hinged ear 2123 arranges hinge hole 2124, axial line and the center line of hinge hole 2124 of jointed shaft 2122 are mutually perpendicular to, when adjacent hinge ring 31 is hinged, jointed shaft 2122 are hinged with hinge hole 2124, and the effect of recess is to accommodate hinge eyes 31 to rotate, and makes hinge eyes 31 have larger rotation Angle, that is, be hinged ring group 212 with larger angle of bend.Part endoscope plug-in package is to seek larger revolution space and curved Bent angle, the monomer openwork part being hinged is more, after being hinged the bending of ring group 212, the tensioning of part controlling cable, and part controlling cable It is lax, it is easily caused lax controlling cable and reaches and is hinged outside ring group 212, it is easily caused controlling cable and is stuck in and is hinged ring group 212, while with larger angle of bend, hinge eyes 31 connect dense to the utility model structure, and overall structure is compacted, and engrave Empty portion is few, and controlling cable is hinged ring 31 and surrounds by most of position, and lax controlling cable is difficult to stretch out outside hinge eyes 31, is Controlling cable provides a safe and reliable working environment.

The upper end outer wall of hinge eyes 31 arranges outer groove 2126, and the inwall of lower end arranges inner groove 2125, the first hinged ear In the inner groove 2125 of the adjacent hinge eyes 31 of 2121 insertions, the second hinged ear 2123 is sheathed on the outer shroud of adjacent hinge eyes 31 Groove 2126.The uniformity of the adjacent holding structure of hinge eyes 31, hinge eyes are made by arranging outer groove 2126 and inner groove 2125 The maximum gauge of group 212 and the equal diameters of hinge eyes 31, it is to avoid the side wall for being hinged ring group 212 forms projective structure, reduces hinge The resistance of the insertion of ring group 212 is connect, while vomiting reaction when mitigating patient's insertion endoscope.

Outer groove 2126 and inner groove 2125 are arranged and can be inverted in the present embodiment, i.e. the lower end end outer wall of hinge eyes 31 is arranged Outer groove 2126, the inwall of upper end arranges inner groove 2125, and the first hinged ear 2121 is sheathed on the outer shroud of adjacent hinge eyes 31 Outside groove 2125, the second hinged ear 2123 is inserted in the inner groove 2126 of adjacent hinge eyes 31, is inverted and is arranged and above-mentioned non-inverted It is identical that technique effect is set.

Two through wires holes 2127 for being used to connect controlling cable are set, and two adjacent hinge eyes 31 form horizontal and vertical Four through wires holes 2127, fixed controlling cable is installed from four direction.One end connection control unit of controlling cable, the other end is worn Cross connection distal joint 213 after through wires hole 2127.

In the present embodiment, the first hinged ear 2121 and the second hinged ear 2123 can substantially protrude from the upper surface of hinge eyes 31 And lower surface, after the first hinged ear 2121 and the second hinged ear 2123 are hinged respectively with adjacent hinge eyes 31, can reserve compared with Big revolution space, adjacent hinge eyes 31 around pin joint rotate when there is larger revolution space, the present embodiment endoscope insert Enter component and there is larger angle of bend, range of observation.

The hinge eyes of the present embodiment are working of plastics, and the speed of production of working of plastics is fast, compared to the snake bone structure of metal material Or displacement spring has low cost, and, working of plastics has cost recovery low, and power of regeneration is strong, is highly suitable for disposable The plug-in package for using and disposable endoscope.

Embodiment 3

As shown in figure 4, the present embodiment difference from Example 2 is first hinged ear 2121 arranges jointed shaft 2122, second hinged ear 2123 arranges mounting groove, and the mounting groove includes hinge hole 2124 and for guiding described being hinged Axle 2124 loads the installation passage 2128 of the hinge hole 2124, and the installation passage 2128 is vertically arranged, the installation passage 2128 entrance is arranged at the top of the second hinged ear 2123, in the present embodiment, is stood upside down due to the second hinged ear 2123 and is arranged, its Top is the bottom of the second hinged ear 2123, and the outlet of the installation passage 2128 is arranged at the minimum point of hinge hole 2124 Place.The axial line of the jointed shaft 2122 and the central axis of hinge hole 2124.Cut with scissors by the Fast Installation of installation passage 2128 Connect ring 31, by the guiding of installation passage 2128 make jointed shaft 2122 from the top of the second hinged ear 2123 it is clear and coherent installation passage 2128 enter hinge hole 2124 from exit, it is to avoid being extruded by external force makes to be hinged annular strain to be hinged the loading of jointed shaft 2122 Hole 2124, and the present embodiment installation passage 2128 is most short, channel design is simple, and installation rate is fast.

In the present embodiment, the throat width of the installation passage 2128 is more than the exit width of the installation passage 2128. Increase throat width, be easy to jointed shaft 2122 enter installation passage 2128, reduce exit width, prevent jointed shaft 2122 from Installation passage 2128 is skidded off.

The outer end of the jointed shaft 2122 arranges block 2129, and the transversely or longitudinally size of the block 2129 is more than hinge Connect the diameter in hole 2124, in the present embodiment, block 2129 is circular block 2129, circular link stopper 2129 with diameter greater than hinge Connect the diameter in hole 2124.Hinge eyes 31 are working of plastics, there is deformation, when controlling plug-in package bending by controlling cable, are easily made The deformation of hinge eyes 31, exist jointed shaft 2122 depart from hinge hole 2124 possibility, in the present embodiment block 2129 with diameter greater than The diameter of hinge hole 2124, limit causes jointed shaft 2122 to slide along the center line of hinge hole 2124 because hinge eyes 31 deform, Prevent jointed shaft 2122 from slipping from hinge hole 2124.

Embodiment 4

As shown in figure 5, compared with Example 2, the present embodiment difference is that the present embodiment installation passage 2128 is inclined Arrange, be to incline straight channel, the entrance of the installation passage 2128 is arranged at the side of the second hinged ear 2123, and the installation is led to The outlet in road 2128 is arranged at the minimum point of hinge hole 2124 and the side of peak line, and entrance and exit be arranged at it is minimum The same side of point and peak line.

Second hinged ear 2123 includes two hinged ears being oppositely arranged, the direction of the installation passage 2128 of two hinged ears Can be identical or contrary.

In the present embodiment, because highs and lows are deviateed in the exit position of installation passage 2128, no matter is plug-in package It is to be in straight configuration in bending, jointed shaft 2122 is difficult from installation passage 2128 to skid off.

As shown in fig. 6, the present embodiment installation passage 2128 is in hook-shaped setting, the entrance and exit of the installation passage 2128 Arrange identical, because installation passage 2128 bends, formation installation passage 2128 is vertical with the hole wall of hinge hole 2124 in exporting out, A/F is less, compares and does not more allow from installation passage 2128 to skid off with oblique straight channel.

Embodiment 5

As shown in Figure 8, Figure 9, the one end of the connecting portion 2 is connected with bend 2, and the other end connects with the handwheel control unit 6 Connect, the connecting portion 2 includes shell 501 and service aisle 4, the part of the service aisle 4 is arranged in the connecting portion 2, The another part of the service aisle 4 is arranged in the bend 2, and the near-end of the overcoat 3 is inserted in the shell 501, institute State overcoat 3 bonding by dissolving glue sealing with the shell 501, the service aisle 4 is provided with instrument interface 503, water inlet and connects Mouth 504, intake interface 505 and negative-pressure ward interface 506, the water inlet interface 504, intake interface 505 and negative-pressure ward interface 506 are respectively arranged with magnetic valve.Shell of the present utility model 501 is bonding by dissolving glue sealing with bend 2, bend 2 Overcoat 3 adopts Teflon material, low production cost integrally to abandon with shell 501, without the need for the sealing knot that design is complicated Structure, while service aisle 4 is provided with instrument interface 503, water inlet interface 504, intake interface 505 and negative-pressure ward interface 506 adopting Opened and closed with solenoid valve control, simple structure, low production cost.

The magnetic valve of water inlet interface 504 is set to non-return magnetic valve 507；The magnetic valve of the negative-pressure ward interface 506 sets It is set to anti-water solenoid valve 509；The magnetic valve of the intake interface 505 is set to air inlet electromagnetic valve 508.

Mechanical valve position is arranged has limitation, depending on operation button is with mechanical valve position, microswitch 510 and magnetic valve Without direct position relationship, microswitch 510 carrys out set location according to the facility of operation, compared to mechanically controlled valve, this reality Operated with new microswitch 510 and more facilitated.

From for sealing angle, operation button and the valve element of mechanically controlled valve have directly mechanical connection, what valve element set Design accuracy is high, and production cost is high, and there is a problem of poor sealing, and magnetic valve is by electromagnetic induction control in the present embodiment Valve element, low production cost, magnetic valve has better seal compared to mechanically controlled valve, can effectively avoid water and product Liquid leaks outside.In addition either by wired or wireless connection, its set location has more selective magnetic valve.

Wherein, as shown in figure 3, being provided with pcb board, controller and microswitch 510；The pcb board and the controller Electrical connection, the controller is electrically connected with the magnetic valve；The microswitch 510 is electrically connected with the pcb board, input control The electric signal of solenoid valve conduction closure is to the controller.

Wherein, the microswitch 510 is provided with three, including water inlet switch, drainage switch and air inlet switch, it is described enter Taps is used for the keying of the magnetic valve for controlling water inlet interface 504；The drainage switch is used to control negative-pressure ward interface 506 Open and close, the air inlet switch is used to control the keying of intake interface 505.

Controller, receives the control signal of the input of microswitch 510, and identified process sends response signal to magnetic valve, Non-return magnetic valve 507, anti-water solenoid valve 509, air inlet electromagnetic valve 508 perform conducting and closed action.

The utility model by microswitch 510 open control service aisle 4 each interface keying, fast response time, And magnetic valve can make action, fast response time moment when receiving the response signal of controller.

The microswitch 510 is arranged at the near-end of the shell 501 or is arranged at handwheel control unit 6.

Embodiment 6

The utility model is provided as shown in Figure 10～Figure 15, and handwheel control unit 6 includes housing 61, the first hand wheel component 62nd, the second hand wheel component 63, wire-winding unit 64, the first latch assembly 65, the second latch assembly 66 and axis 67, the side of housing 61 Wall outer surface arranges round platform 611, arranges the installing hole through the side wall of housing 61 and round platform 611, the second hand wheel component 63, first-hand Wheel assembly 62 is connected through installing hole with wire-winding unit 64.

Shown, wire-winding unit 64 includes the first control wheel 641, the second control wheel 642 and for guiding controlling cable to connect The bunch shell 643 in direction, the one end of bunch shell 643 is provided for installing the first control wheel 641 and the circle of the second control wheel 642 is empty Chamber, the other end arranges bunch block 644, and bunch block 644 arranges four bunch grooves 6441 in the arrangement of sphere of movements for the elephants shape, circular cavity court Opening is had, the upper end open of bunch groove 6441 is arranged at the opening of circular cavity, the second control wheel 642, the first control wheel 641 are coaxially arranged side by side in the circular cavity of bunch shell 643, and two groups of controlling cables are rotating around located at the He of the first control wheel 641 Second control wheel 642, from the first control wheel 641, the two ends of its two controlling cable are from the second control at the two ends of one group controlling cable Ratch 642 is passed, and forms four controlling cables, and four controlling cables respectively enter bunch groove after connecting out from coiling lid 6441, bunch groove 6441 is used to connect and separate controlling cable to avoid being interfered between controlling cable, and controlling cable passes through institute Bunch groove 6441 is stated, is connected with the plug-in package of endoscope.

First control wheel and the second control wheel include wire winding ring 6411 and the drive disk for fixing wire winding ring 412 6413, the wire winding ring 6411 arranges multiple openings for winding the controlling cable of endoscope, the drive of first control wheel Moving plate 6413 arranges the drive hole 6412 matched with first gangbar 622, and the drive disk 6413 of the second control wheel 642 sets Put the drive hole 6412 matched with second gangbar 632.During winding controlling cable, arbitrarily select one and start to twine Around controlling cable, controlling cable is penetrated in wire winding ring from opening, and the adjacent opening of pile warp is passed, then is worn from another adjacent opening Enter, circulated with this until pass controlling cable to being wound into correct position, by this canoe, can greatly increase control line Cable and the frictional force of control wheel, prevent controlling cable from skidding.

First hand wheel component 62 includes the first gangbar 622, the first handwheel being arranged at outside endoscope housing 61 621, described one end of first gangbar 622 is fixedly connected with first handwheel 621, the other end and first control wheel 641 Drive connection；

Second hand wheel component 63 includes the second gangbar 632, the second handwheel being arranged at outside endoscope housing 61 631, second gangbar 632 is arranged in first handwheel 621, the control wheel 641 of first gangbar 622 and first, Described one end of second gangbar 632 is fixedly connected with second handwheel 631, and the other end drives with second control wheel 642 Connection.

First latch assembly 65 includes spring leaf 653, the locking piece of locking plate 651 and first, and locking plate 651 is sheathed on The round platform 611, one end oblique cutting of the spring leaf 653 enters round platform 611 and fixed, other end setting link block.In the present embodiment, First locking piece can be end-tooth circle or ring gear 652, the link block and the end face gear ring or ring gear 652 Knot, the present embodiment is explained by taking ring gear 652 as an example.

The link block of spring leaf 653 is arranged in ring gear 652, and the locking plate 651 is arranged and drives the spring leaf 653 The link block of the other end snaps in the first projection 654 of ring gear 652, is coupled with ring gear 652 by link block.Rotational lock disk 651 to coupled position when, the first projection 654 drive link block be coupled with ring gear 652, locking the first handwheel 621；Upset locking Disk 651, the first projection 654 is rotated toward contrary direction, and spring leaf 653 is by the elastic returning initial position of itself, link block Separate with ring gear 652.

But the Jing of spring leaf 653 is used for multiple times the possibility that there is performance degradation, and spring leaf 653 and ring gear 652 Frictional force is excessive or other reasonses cause spring return to fail, and the driving spring leaf 653 can also be arranged in the present embodiment The other end departs from the second projection 655 of ring gear 652, and the first projection 654 and the second projection 655 are respectively arranged at spring leaf 653 Both sides, locking plate 651 rotate forward the driving spring piece 653 of the first projection 654 link block snap in ring gear 652, locking plate 651 Reversion, the other end of the driving spring piece 653 of the second projection 655 departs from ring gear 652, by the another of external force driving spring piece 653 One end departs from ring gear 652.

The round platform 611 is provided for limiting the block 656 of the anglec of rotation of locking plate 651, and it is convex that block 656 is arranged at first The driving spring piece 653 of block 654 snaps in the position of ring gear 652, i.e. locking position, when the locking plate 651 moves to locking position, First projection 654 abuts the other end of the spring leaf 653, and drives the spring leaf 653 to snap in ring gear 652, instead Turn locking plate 651, the second projection 655 follows locking plate 651 to rotate, the second projection 655 abuts the opposite direction of spring leaf 653 and promotes bullet The other end of reed 653, the other end for making spring leaf 653 departs from ring gear 652.

It is provided with two sleeve spring pieces 653 in the present embodiment, second projection 655 and the of two sets of driving spring pieces 653 is set One projection 654, while arranging two blocks 656, this two nested structure relative position diametrically is arranged, by the first latch assembly 65, the first handwheel of locking 621 that can be fast and reliable prevents the first handwheel 621 from rotating.

When using, the first handwheel 621 is adjusted and completed, and rotates forward locking plate 651, and the first projection 654 is rotated with locking plate 651, The link block for abutting spring leaf 653 and driving spring piece 653 snaps in ring gear 652, now completes the lock of the first handwheel 621 It is fixed；When being in the lock state, locking plate 651 is inverted, the second projection 655 is rotated with locking plate 651, abut the another of spring leaf 653 Side, the link block of driving spring piece 653 departs from ring gear 652, when the other end of spring leaf 653 departs from ring gear 652, the The end face of two projections 655 just touches block 656, limits the position of locking plate 651, completes the operation for contacting locking.

Second latch assembly 66 includes being arranged at the second locking piece, connecting piece 662, the and of locking wheel 663 of the second handwheel 631 Spring 664.

The connection form of the second locking piece and connecting piece 662 can be engaged for inside and outside gear ring in the present embodiment, or end face Gear ring is engaged, and is explained by taking end face gear ring engagement connection form as an example in the present embodiment.

Second locking piece is first end face gear ring 661, and the one end of the connecting piece 662 is arranged and the second locking piece phase The connecting structure of matching connection, the other end arranges recess and a high position, and connecting structure is second matched with the end face gear ring End face gear ring 6621.

Second handwheel 631 arranges counterbore 633, is provided for the spring 664 of reset connecting piece 662, first end face gear ring 661 It is arranged in counterbore 633, the installation site of spring 664 is arranged at the middle part of first end face gear ring 661, the two ends of the spring 664 difference Abut the bottom of the counterbore 633 and connecting piece 662.The locking wheel 663 arranges compact heap, and the compact heap abuts connecting piece 662 recess and a high position, when the compact heap is in recess, the second end of the first end face gear ring 661 and connecting piece 662 Face gear ring 6621 is separated, and when compact heap is in a high position, spring 664 is in compressive state, the end of first end face gear ring 661 and second The engagement of face gear ring 6621 couples, again rotation lock bearing up pulley 663, and spring 664 drives connecting piece 662 to separate with the second locking piece.

The one end of the axis 67 arranges limited block, the other end through locking wheel 663, connecting piece 662, end face gear ring, the Two handwheels 631, second gangbar 632 and second control wheel 642, and be fixed on the circular cavity of bunch shell 643 Center.

Orthohexagonal slide rail 665 is set, and orthohexagonal slide rail 665 is fixedly connected with axis 67, the connecting piece 662 The hexagon through hole that setting matches with the slide rail 665, connecting piece 662 slides along slide rail 665 and arranges.

When using, the compact heap of locking wheel 663 rotates to a high position from recess, and compact heap promotes connecting piece 662 to move, and then Engage first end face gear ring 661 and second end face gear ring 6621, reach locking handwheel purpose, locking wheel 663 rotate forward or Continue to walk around, compact heap from a high position turn to recess when, spring 664 drive connecting piece 662 move, make second end face gear ring 6621 Depart from first end face gear ring 661, the first handwheel 621 departs from locking state.First end face gear ring 661 and second end face gear ring 6621 Engagement be rigid engagement, locking state is stable.In connection, even if there is external force to act on the first handwheel 621, first end face tooth Circle 661 will not form the reaction force to second end face gear ring 6621, further, since spring 664 is in compression during lock-out state State, even if forming the spring 664 of reaction force compressive state second end face gear ring 6621 and first end face gear ring can be also made 661 firm connections, therefore embodiment has simple structure, locking is firm, is difficult the characteristics of locking failure.

The above, only the utility model preferably specific embodiment, but protection domain of the present utility model is not This is confined to, any those familiar with the art can readily occur in the technical scope that the utility model is disclosed Change or replacement, all should cover within protection domain of the present utility model.Therefore, protection domain of the present utility model should It is defined by scope of the claims.

Claims

1. a kind of Dispoable medical endoscope, it is characterised in that：Including plug-in package, connecting portion, handwheel control unit, the insertion Component, the bend, leading section, service aisle and overcoat including the front end for being arranged at control unit, the service aisle part It is arranged in the connecting portion, another part is connected through the bend with the leading section, the overcoat cladding is described curved Pars convoluta and the leading section, the near-end of the overcoat is tightly connected with the connecting portion；

The bend is provided with support component, and the support component includes proximal joint, is hinged ring group and distal joint, described Distal joint one end connects leading section, and other end connection is hinged the upper end of ring group, and proximal joint one end connection is hinged ring group Lower end, the other end is fixedly connected with the overcoat,

The handwheel control unit includes the first hand wheel component, the second hand wheel component, the wire-winding unit for driving crooked assembly, institute Wire-winding unit is stated including the first control wheel, the second control wheel, the first controlling cable and the second controlling cable, first control line Cable one end is set around first control wheel, and the other end sequentially passes through connecting portion, be hinged ring group is fixedly connected with distal joint, institute State second controlling cable one end and be set around second control wheel, the other end sequentially passes through connecting portion, be hinged ring group and distal end connects Head is fixedly connected, and the first hand wheel component controls the motion of the first control wheel, and the second hand wheel component controls the motion of the second control wheel.

2. a kind of new endoscopic plug-in package according to claim 1, it is characterised in that it is described be hinged ring group include it is many Individual hinge eyes, the plurality of hinge eyes are hinged two-by-two, and one end of the hinge eyes is radially arranged two first and is hinged along first Ear, first hinged ear is hinged with adjacent hinge eyes, and the other end of the hinge eyes is radially arranged the second hinge along second Lug, second hinged ear is hinged with adjacent hinge eyes, and first radial direction is mutually perpendicular to second radial direction.

3. a kind of new endoscopic plug-in package according to claim 2, it is characterised in that outside the upper end of the hinge eyes Wall arranges outer groove, and the inwall of lower end arranges inner groove, and first hinged ear is inserted in the inner groove of adjacent hinge eyes, institute State the outer groove that the second hinged ear is sheathed on adjacent hinge eyes.

4. a kind of new endoscopic plug-in package according to claim 3, it is characterised in that first hinged ear is arranged Jointed shaft, second hinged ear arranges mounting groove, and the mounting groove includes hinge hole and for guiding the jointed shaft to load The installation passage of the hinge hole, the entrance of the installation passage is arranged at hinged ear top or side, the installation passage Outlet be arranged at hinge hole；The outer end of the jointed shaft arranges block, and the transversely or longitudinally size of the block is more than hinge Connect the diameter in hole；Exit width of the throat width of the mounting groove more than the mounting groove.

5. a kind of new endoscopic plug-in package according to claim 2, it is characterised in that the inwall of the hinge eyes sets Through wires hole is equipped with, the through wires hole is oppositely arranged, the through wires hole of adjacent hinge eyes arranges two to be used to connect the control line The through wires hole of cable, described controlling cable one end connects control unit, and the other end connects distal joint through after the through wires hole.

6. a kind of new endoscopic plug-in package according to claim 1, it is characterised in that the connecting portion includes pipeline Shell, the near-end of the overcoat inserts the inside the shell, the overcoat and the shell bonding, the work by dissolving glue sealing Passage is provided with instrument interface, water inlet interface, intake interface and negative-pressure ward interface, the water inlet interface, intake interface and Negative-pressure ward interface is respectively arranged with magnetic valve.

7. a kind of new endoscopic plug-in package according to claim 1, it is characterised in that the leading section is provided with light Source camera assembly, transparent heat-insulated cover and fixed cylinder, the light source camera assembly is provided with light source, camera and pcb board, the light Source, the camera and the pcb board are fixed in the fixed cylinder, and the fixed cylinder is provided with working channel orifice, the work Access opening is correspondingly arranged with the outlet of the service aisle；The transparent heat-insulated cover is arranged at the front of the light source, described The bottom of bright heat shield is connected with the fixed cylinder, and the sightingpiston of the transparent heat-insulated cover is set to arc, the arc observation Face makes to form insulated cavity between transparent heat-insulated cover and the light source.

8. a kind of new endoscopic plug-in package according to claim 1, it is characterised in that first control wheel and Two control wheels include wire winding ring, the drive disk for fixing the wire winding ring, and the wire winding ring arranges multiple in winding The opening of the controlling cable of sight glass, the drive disk of first control wheel is arranged at the driving of the first hand wheel component connection Hole, the drive disk of second control wheel arranges the drive hole being connected with second hand wheel component.

9. a kind of new endoscopic plug-in package according to claim 1, it is characterised in that the first hand wheel component bag The first gangbar, the first handwheel are included, described first gangbar one end is fixedly connected with first handwheel, the other end and described One control wheel drive connection；

Second hand wheel component includes the second gangbar, the second handwheel being arranged at outside endoscope housing, second linkage Bar is arranged in first handwheel, first gangbar and the first control wheel, described second gangbar one end and described second Handwheel is fixedly connected, the other end and the second control wheel drive connection.

10. a kind of new endoscopic plug-in package according to claim 9, it is characterised in that be provided with for locking the First latch assembly of one hand wheel component and the second latch assembly for locking the second hand wheel component,

First latch assembly includes the first locking plate, spring leaf and the first locking piece, first locking piece and described the One handwheel connects, and described spring leaf one end fixes, and the other end arranges link block, the locking plate arrange drive the link block with The locking piece is coupled, and rotates forward the locking plate, when turning to locking position, link block described in the locking dish driving and the lock Determine part connection, invert the locking plate, link block described in locking dish driving departs from the locking piece；

Second latch assembly includes the second locking piece, connecting piece, the second locking plate, the connecting piece side and described second Locking piece is coupled, and opposite side arranges recess and a high position, and the locking plate arranges compact heap, the compact heap abut the recess or Person is high-order, and when compact heap is in recess, the connecting piece is separated with second locking piece, when compact heap is in a high position, The connecting piece is coupled with second locking piece.