CN102525595B - Bendable and visible surgical clamp - Google Patents

Abstract

The invention relates to a creative surgical clamp for minimally invasive surgery, in particular to a bendable and visible surgical clamp, which comprises a main tube. The main tube is connected with a mirror, the other end of the main tube is connected with a bent hose, a front end is arranged at an end of the bent hose and connected with a clamp head and a lens component, a water spraying nozzle is arranged at the front end and connected with an irrigating opening, and the irrigating opening is arranged on the mirror; and the bent hose is connected with a traction cable, the traction cable is connected with a shifting rod, and the mirror is provided with a clamp handle. The bendable and visible surgical clamp can be used for clamping hard and soft tissues, is applicable to various places, improves safety and stability of surgery, and can be cleaned conveniently, a surgical instrument can turn at any angles so as to bring convenience for observation, and various channels in the main tube are not interfered. Technical problems that a surgical clamp in the prior art can not be bent at an angle, doctors cannot observe conveniently, surgical instruments need to be used with an endoscope and are more, and wound to patients is severe are resolved.

Description

The bendable visible surgical clamp

Technical field

The present invention relates to a kind of operating theater instruments, the end that relates in particular to a kind of initiative, invasive operation use can bend the operating forceps that can see at any time surgery situation.

Background technology

Be generally that endoscope and medical operating forceps are used in conjunction with in present invasive operation, insert the operating theater instruments such as soft pincers, seal wire in soft lens, as inserted biopsy forceps in gastroscope, intestinal mirror, carry out the similar products such as biopsy; Or insert hard sight glass and performed the operation in firmly peeping pincers, insert the similar products such as nasal sinuses mirror in firmly peeping pincers and performed the operation as inserted cystoscope, nasal sinuses in bladder is peeped pincers firmly.The basic structure of present medical operating pincers comprises binding clip, drive link, drive link sleeve pipe, clamp block, activity clamp handle, the drive link sleeve pipe is fixed on clamp block, the end of drive link sleeve pipe is fixed with the fixed part of binding clip, drive link is in the drive link sleeve pipe, the activity clamp handle drives drive link, and drive link drives the movable part of binding clip.The structure of binding clip movable part has two classes, one class is linkage, what the jaw list was opened is two linkages, what jaw pair was opened is parallel four-bar linkage, the node of drive link articulated linkage mechanism back, another kind of is the spring jaw, and jaw is dehisced under self resilient force, and the sleeve that is fixed on drive link cover end when drive link pulls the spring jaw to move backward forces the jaw closure.So-called visible surgical clamp is to be fixed with side by side endoscope's sheath outside the drive link sleeve pipe of general operating forceps, and the opening part of sheath is near binding clip, and endoscope's sheath is fixed on clamp block and, usually through clamp block, the end of endoscope's sheath has the bayonet mount that connects endoscope.The related content of mentioning in existing open file has, Chinese patent: " biopsy forceps of endoscope (CN201492448U) ", what relate to is a kind ofly esophagus, stomach, intestinal to be got to a kind of medical apparatus and instruments that living body sampling is used while doing endoscope.Comprise left jaw, right jaw, connecting plate, support, jaw sleeve pipe, steel wire rope, trocar sheath, transmission sleeve pipe, fixed cover, left fixed block, right fixed block, control loops, flip stand and hands ring; Left jaw and right jaw are flexibly connected by pin, are provided with the profile of tooth jaw; Left jaw and right jaw rear end and support are flexibly connected, and the support outer cover is equipped with the jaw sleeve pipe; Steel wire rope one end is fixedly connected with the jaw sleeve pipe, the fixing welding of the steel wire rope other end and transmission sleeve pipe, and control loops is sleeved on flip stand, and left fixed block and right fixed block are housed in control loops, and fixed cover is fixedly connected with the transmission sleeve pipe; Left fixed block is connected with fixed cover with right fixed block, and fixed cover is connected with control loops with right fixed block by left fixed block; Trocar sheath one end is fixedly connected with support, and the trocar sheath other end is fixedly connected with flip stand.Chinese patent: " a kind of grasping forceps of endoscope (CN201631313U) ", comprise handle and driving wire, the far-end of described driving wire connects the binding clip with chela, the near-end of driving wire is connected with the slide handle on being slidably connected at handle, described driving wire outside is arranged with spring hose, the near-end of described driving wire is arranged with runner, runner rotates and is arranged on handle, wherein, described slide handle can endwisely slipping along driving wire, the circumferential fixed axis of described driving wire and runner is to fixing, described driving wire and slide handle circumferentially not fixedly axial limiting be connected.Being all hard sight glass and firmly peeping pincers of above-mentioned two kinds of structures, and elastic component can not be realized circumferential rotation, the operating theater instruments underaction.

Summary of the invention

The invention provides a kind of can soft or hard taking into account, can adapt to various occasions, operating theater instruments can forward to arbitrarily angled, is convenient to observe, and improves the safety and stability of operation, and each passage mutually noninterfere in supervisor, be convenient to the bendable visible surgical clamp cleaned; Having solved the operating forceps that exists in the prior art can not bending angle, is not easy to the doctor and observes, and operating theater instruments must be used in conjunction with endoscope, and apparatus is many, the large technical problem to patient's wound.

Above-mentioned technical problem of the present invention solves by following technical proposals: a kind of bendable visible surgical clamp, comprise supervisor, supervisor is connected with the mirror body, be provided with the aqueous vapor passage and the image transmitting passage that are parallel to each other in described supervisor, the other end described supervisor is connected with the bending flexible pipe, end at described bending flexible pipe is provided with front end, be connected with binding clip and lens assembly on front end, offer water jet on front end, described water jet is connected with the aqueous vapor passage in supervisor, the other end of described aqueous vapor passage is connected with rinse mouth, described rinse mouth is opened on the mirror body, be connected with hauling rope on described bending flexible pipe, described hauling rope is connected with poke rod, poke rod is arranged on the mirror body, be provided with clamp handle on the mirror body, described clamp handle is connected with binding clip by connecting cable wire, is provided with the demonstration socket on the mirror body, on described demonstration socket, is connected with display screen, show that socket is connected with the image transmitting passage, in the rear end of mirror body, be provided with supply socket.

Lens assembly is by CCD camera lens, LED lamp plate and composition lens combination.Make CCD and the energising of LED lamp plate by access handle power supply or external power source adapter during work, LED illuminates tract, make composition lens by light transmission to ccd signal, CCD delivers to display by the signal of collection and shows the image of observing.

The existing lens assembly of the front end of bending flexible pipe has again binding clip, by the lens assembly images, has the demonstration socket external connection display equipment on the mirror body to be observed, thus rotational angle and the clamping dynamics of control binding clip that can be clear and definite.The rotational angle of binding clip has poke rod to control by hauling rope, stirs the bending angle that poke rod is adjusted the bending flexible pipe, thereby adjusts the angle of observation and the operating angle of binding clip.The clamping of binding clip and loosen by the clamp handle on the mirror body and control.Supply socket can external direct current power supply or alternating current power supply, coordinates lens assembly to use, and helps the doctor to be performed the operation.In supervisor, each passage is separated, do not interfere with one another, the end of image transmitting passage is exactly lens assembly, in the aqueous vapor passage, can leak water or while on camera lens, fog occurring, fog is siphoned away, and the aqueous vapor passage forms independent tract, can carry out the flushing of wound or the turnover of soft operating theater instruments.The standard suction mouthful suction equipment that access is outside be contained on the visual pincers of bendable can certainly be used to syringe, medical suction pump etc. as aspirated; Also can insert in addition the surgery instruments such as seal wire.Image transmitting passage one end is connected with lens assembly, the other end is connected with the demonstration socket, and the image transmitting that will be caught by lens assembly is to display device, and aqueous vapor passage one end is connected with rinse mouth, the other end is connected with the water jet on front end, guarantees the unimpeded of current or air-flow.Bending hose connection front end is stereoplasm tube, facilitates fixed pliers head and lens assembly is installed, and offers water jet.The two ends of bending flexible pipe are all stereoplasm tubes, supervisor is the convenient tract that equipment is inserted to human body of stereoplasm tube, the rigidity of assurance equipment, only have bending flexible pipe this section to realize the arbitrarily angled picture of adopting of lens assembly, the convenience of binding clip work for the soft tube that can bend.

The present invention organically combines operating theater instruments and endoscope, need not consider first to insert endoscope or operating theater instruments, can not crush because of insertion tissue, can observe directly tissue, can accurately find cause of disease and be performed the operation, can carry out free operant according to different angle of bends, can enter into the operations such as inspection in complicated tract, biopsy and chorista.The present invention has fully used soft lens and has firmly peeped the operation principle of pincers, and effectively both is combined, and soft or hard is taken into account, and adapts to various occasions, simplifies the structure, and has reduced cost.

As preferably, described bending flexible pipe is connected by front adapter ring with front end, and described front adapter ring is the annular step scalariform, and major diameter one end of front adapter ring is connected with front end, and minor diameter one end of front adapter ring is connected with curved flexible pipe.Front adapter ring is set, facilitates the connection of bi-material, can not affect performance and original structure of two members simultaneously, improve the stability of connection and all the other members are installed, the convenient manufacture and installation.

Clamp handle is controlled the opening and closing of binding clip by connecting strand, first the rear handle of clamp handle and pull end are drawn close and are made left and right binding clip closure, then by making leaf spring by the tooth bar on locking handle and pull end locking; Due to seesawing of the closed and locked drive pull bar of clamp handle, namely by the pliers cable wire, drive opening and closure of binding clip.

Offering a passage in the bending flexible pipe passes through for connecting cable wire, the end that connects cable wire is connected with core print, core print is connected with the active section plate, the active section plate is hinged, the active section plate is connected with binding clip, open and the clamping of binding clip is that the twitch drive core print by being connected cable wire seesaws, and makes the opening and closing of active section plate, thereby realizes opening and closure of binding clip.

As preferably, described hauling rope is one, the two ends of hauling rope are fixed on the front end of bending flexible pipe, adapter ring before bending flexible pipe front inner wall is bonded with, hauling rope is bonded in the two ends of a diameter of the same cross section of front adapter ring, the blind end of hauling rope around and be fixed on the wheel hub in the mirror body, wheel hub is connected with poke rod by main shaft.Hauling rope is cable wire, and the termination positioned opposite of hauling rope can be adjusted the angle that bends flexible pipe easily.The rotation of poke rod drives the main shaft rotation, thereby wheel hub rotates, and because hauling rope is fixed on wheel hub, is exactly that four fixing points are arranged on cable wire, and wheel hub rotates, and the two ends of hauling rope, along with motion, bend thereby make the bending flexible pipe produce.

As more preferably, the external peripheral surface of described wheel hub offers plural cannelure, two end faces up and down at wheel hub respectively offer a draw-in groove, described draw-in groove is opened on the cell wall of cannelure, two draw-in grooves lay respectively at the two ends of the same diameter of wheel hub, also offer a through hole on the end face of wheel hub, and one of them means of spot welds of hauling rope is in the draw-in groove of upper surface, hauling rope is through after through hole, and another means of spot welds of hauling rope is in the draw-in groove of lower surface.Two annular grooves have individual gathering sill by hauling rope, then are welded in the draw-in groove on annular groove, and hauling rope carries out the second point welding again through the through hole on wheel hub.Hauling rope is through through hole, and starts plural cannelure at external peripheral surface, and the hauling rope that can allow wheel hub rotate to surpass a week when above carries out remaining and can moving around, hauling rope two ends along cannelure, improves the bending angle that bends flexible pipe.The angle of through hole and draw-in groove is 90 degree, can guarantee the symmetry of both sides rotation.

As preferably, the rear end of described bending flexible pipe by rear adapter ring be connected with supervisor, rear adapter ring and supervisor's welding, supervisor is connected with the mirror body by being responsible for rear adapter ring.After rear adapter ring and supervisor, adapter ring, as connector, has improved the convenience of installation and the stability of equipment.

As preferably, be provided with pedestal in described mirror body, be provided with wheel hub in pedestal, wheel hub is socketed on main shaft, poke rod Yi Duan center offers spindle hole, the other end of poke rod offers cavity, be provided with transition piece in cavity, poke rod is connected with the locking button by transition piece, offer the axis hole concentric with the spindle hole of poke rod on transition piece, main shaft passes the axis hole at transition piece and poke rod center successively, join one section for square shaft with transition piece on main shaft, cushion block in one end of main shaft and pedestal is fixed, the other end of main shaft is bolted, be provided with friction component between poke rod and transition piece, be provided with limit assembly between bolt and transition piece.In the back of poke rod, the locking button is installed, driving wheel hub at poke rod rotates, thereby while making to bend hose bending to desired location, the rotational lock button, locking button and transition piece are fixed, and locking button drive transition piece is along the axially-movable pressing friction assembly of main shaft, bring larger damping strength that poke rod will could be worked under strong effect and don't damage mechanism, the stability and the safety that have improved equipment have been avoided because the harm that doctor's maloperation brings.Limit assembly between bolt and transition piece makes and plays position-limiting action during button unclamping locking, allows the Relative position determination of transition piece and main shaft.The shape of main shaft changes according to the different component of socket on it, is that poke rod and wheel hub joint are circular shaft, and poke rod and main shaft are interference fit, guarantee both synchronous rotaries.In main shaft and transition piece joint, the main shaft external peripheral surface offers screw thread, simultaneously at external peripheral surface, forms square shaft aspect cutting.The square shaft of the circular shaft of close left end is used for coordinating the square hole cover plate, and cover plate moves axially, and guarantees the effective thrust with the friction assembly; Middle square shaft for the ease of cover plate by with reduce spin resistance and form, the annular of two square shafts is in order to facilitate the escape of screw thread processing; The square shaft of right-hand member is for fixing lower gear piece, and upper gear piece can be adjusted the position of engagement (being the establishment of relative position) according to the coupling mechanism force size.

As more preferably, described friction component comprises friction plate, friction bar and the shell fragment between poke rod and transition piece, the inwall of the external peripheral surface of described friction plate and the cavity of poke rod joins, one end of friction plate is connected with transition piece by cover plate, at the friction plate other end, with the friction bar, be connected, friction bar and shell fragment join, and the other end and the poke rod of shell fragment join.The axially-movable of transition piece compresses axial arranged friction plate, friction bar and shell fragment, improves frictional force poke rod is pinned.

As more preferably, described limit assembly comprises gear piece and lower gear piece, and upper gear piece and lower gear piece are socketed on main shaft, and upper gear piece and bolt join, and lower gear piece and transition piece join.Upper and lower gear piece is used in conjunction with, and plays spacing effect.Relative position between transition piece and axle is fixed.

As preferably, described mirror body is connected with the power supply handle by supply socket, be provided with felt pad in described supply socket, be provided with in felt pad and determine pin, be provided with in described power supply handle and the moving pin of determining pin and coordinating, outside moving pin, be socketed with spring, moving pin and spring are positioned at the bullet seat, the bullet seat is positioned at the power supply handle, at power supply handle and supply socket connecting place, is provided with snap close, is provided with DC-DC transducer or AC-DC transducer in the power supply handle.Supply socket is designed to the contact pin form, by determining being connected of pin and moving pin, by power turn-on.Supply socket both can connect DC source also can connect alternating current power supply, according to the difference of power supply, selects different transducers, facilitates the use of equipment in various occasions.During installation, the breach that lug on the power supply handle is aimed in supply socket inserts, stir the snap close half-twist, because the screw thread of snap close and handle lock and the buckle that is positioned at the snap close front end can fasten the boss on the mirror body, making on the power supply handle concave cone and mirror lock convex cone combines closely, this connection registration is very firm.

After installation, moving pin, under the spring force effect, compresses and determines pin, makes contact good.On the other hand, on moving pin and the surface of determining pin, all carried out the craft of gilding processing, contact resistance is further reduced.

After stirring in the other direction 90 ° of snap closes, just can make the power supply handle separate with the mirror body.Owing to determining between pin, felt pad, supply socket, mirror body all to adopt the sealing gummed, can adapt to the requirement of medical science soaking disinfection.To determine pin and felt pad and be designed to a plane, be to clean for convenient.Doctor's alcohol swab commonly used is cleaned contact surface, to take out stains.

As preferably, described bending flexible pipe comprises bending joint, and bending joint is wrapped with crooked netting, in crooked netting, is wrapped with crooked skin.Bending joint realizes that crooked angle is in order fixing, at the crooked netting of bending joint outer wrapping and crooked skin, improves bend pipe toughness, facilitates bend pipe to extend in body cavities.

Therefore, bendable visible surgical clamp of the present invention possesses following advantage:

(1), simple in structure, equipment cost is low: product of the present invention has been abandoned traditional design theory (inserts firmly peeping pincers the working method that a hard sight glass is observed again); Fully use soft lens and firmly peep the operation principle of pincers, making effectively to combine, soft or hard is taken into account, and adapts to various occasions; Simplify the structure, reduce costs.Having reduced the patient performs the operation and produces pressure huge on psychology, physiology and heavier financial burden because first doing inspection; It is fast that the patient recovers; Also effectively reduce the cost that hospital buys two or more equipment simultaneously.

(2), this equipment operating is convenient: not dividing of successively insertion, can not crush because of insertion tissue; Easy to connect, observe intuitively and clearly, can accurately find source of disease and carry out the hands art; Can carry out free operant according to different angle of bends, can enter into the operations such as inspection in complicated tract, biopsy and chorista.

(3), safety is good, the suitability is strong: can be used for various initiatives, invasive operation, also can be used for patrolling and examining and various non-invasive routine inspections; Can also according to the difference of operation, require to select dissimilar binding clip, to reach different medical effects; The highest use voltage of this instrument internal is only 5V, human body is not constituted a threat to, and therefore doctor or patient is perfectly safe.

(4), multiple functional, suitability is strong: can be convenient for changing battery, in the situation that be not equipped with the reserve battery adapter of can connecting with the mains, insert civil power work; Can see intuitively and insert position, can connect large display observation in the situation that many people observe, play good education and view and emulate effect; Can operate video recording and the output of data computer and preserve.

(5), be convenient to clean, sterilize: this equipment adopts multichannel design, and each passage mutually noninterfere is convenient to clean; Be convenient to Integral cleaning, sterilization.

The accompanying drawing explanation

Fig. 1 is the schematic diagram of bendable visible surgical clamp of the present invention.

Fig. 2 is the enlarged diagram of Fig. 1 inner bending flexible pipe.

Fig. 3 is the axial schematic diagram of amplification of the front end in Fig. 2.

Fig. 4 is the amplification cross-sectional schematic of Fig. 2.

Fig. 5 is supervisor's front and back connection diagram.

Fig. 6 is that the poke rod of mirror body amplifies cross-sectional schematic.

Fig. 7 is the axonometric chart that on wheel hub, cross-under has hauling rope.

Fig. 8 is the axonometric chart that is welded with hauling rope on wheel hub.

Fig. 9 is the decomposition enlarged diagram of mirror body and power supply handle.

Figure 10 is the enlarged diagram of clamp handle part.

The specific embodiment

Below by embodiment, and by reference to the accompanying drawings, the technical scheme of inventing is described in further detail.

Embodiment:

As illustrated in fig. 1 and 2, the bendable visible surgical clamp, comprisesupervisor 1, an end ofsupervisor 1 is connected withmirror body 2, the other end describedsupervisor 1 is connected with bendingflexible pipe 3, end at bendingflexible pipe 3 is connected with front end 4, is connected with bindingclip 5 andlens assembly 6 on front end 4, also offers water jet 7 simultaneously on front end 4.Lens assembly is by CCD camera lens, LED lamp plate and composition lens combination.The both sides ofmirror body 2 are separately installed with and show socket 8 and rinse mouth 9,mirror body 2 rear end besupply socket 10,poke rod 11 andlocking button 12 are installed at the rear of rinse mouth 9,poke rod 11 is controlled the bending angle of bendingflexible pipe 3 byhauling rope 13, afterpoke rod 11 is adjusted the angle of bendingflexible pipe 3,rotational lock button 12, bypoke rod 11 lockings, prevents doctor'smaloperation.Clamp handle 14 is installed belowmirror body 2, andclamp handle 14 is connected with bindingclip 5 by connectingcable wire 15.

As shown in Figure 3, showing that socket 8 can be equipped with thedisplay screen 16 of 3.5 cun, when not in use, withseal cover 47 sealings.Rinse mouth 9 is connected with theaqueous vapor passage 17 insupervisor 1, and the other end ofaqueous vapor passage 17 is connecting the rinse mouth 9 of front end 4.Also be provided with theimage transmitting passage 18 parallel withaqueous vapor passage 17 insupervisor 1, the two ends ofimage transmitting passage 18 are connected with the display socket 8 onmirror body 2 with thelens assembly 6 of front end 4 respectively.

As shown in Figure 4, bendingflexible pipe 3 comprisesbending joint 19, andbending joint 19 is wrapped withcrooked netting 20, incrooked netting 20, is wrapped with crooked skin 21.Bendingflexible pipe 3 is connected byfront adapter ring 22 with front end 4, andfront adapter ring 22 is the annular step scalariform, and major diameter one end offront adapter ring 22 is connected with front end 4, and minor diameter one end offront adapter ring 22 is connected with curved flexible pipe 3.Open and the clamping of bindingclip 5 is that the twitch drivecore print 23 by being connectedcable wire 15 seesaws, and makes 24 opening and closing of active section plate, thereby realizes opening and closure of bindingclip 5.

As shown in Figure 5, the rear end of bendingflexible pipe 3 byrear adapter ring 25 be connected withsupervisor 1,rear adapter ring 25 and supervisor's 1 welding, be responsible for 1 and be connected withmirror body 2 by being responsible forrear adapter ring 50.

As shown in Figure 6,hauling rope 13 is cable wire,hauling rope 13 is one, the two ends ofhauling rope 13 are separately fixed on the front adapter ring 4 of the front end that bendsflexible pipe 3, the two ends of the same diameter of the same radial section that is bonded in front adapter ring 4 of the two ends symmetry ofhauling rope 13, the middle part ofhauling rope 13 around and be welded on thewheel hub 26 inmirror body 2,wheel hub 26 is connected withpoke rod 11 by main shaft 27.Bowl-type pedestal 28 is arranged inmirror body 2, awheel hub 26 is arranged inpedestal 28,wheel hub 26 is socketed in high order end andmain shaft 27 synchronous rotaries ofmain shaft 27, also is socketed with the members such aspoke rod 11,transition piece 29, upper and lower gear piece onmain shaft 27 simultaneously.Pokerod 11 Yi Duan centers offer spindle hole,poke rod 11 andmain shaft 27 interference fit, the other end ofpoke rod 11 offers cavity, be provided withtransition piece 29 in cavity,poke rod 11 is connected withlocking button 12 bytransition piece 29, offer the axis hole concentric withmain shaft 27 holes ofpoke rod 11 ontransition piece 29,main shaft 27 passes the axis hole attransition piece 29 andpoke rod 11 centers successively, join one section for square shaft withtransition piece 29 onmain shaft 27,cushion block 30 in one end ofmain shaft 27 andpedestal 28 is fixing, and the other end is fixing by bolt 31.Pedestal and ring for fixing 51 join, and the part of ring for fixing is socketed on poke rod 11.Betweenpoke rod 11 andtransition piece 29, friction component is arranged, friction component comprisesfriction plate 32,friction bar 33 and theshell fragment 34 betweenpoke rod 11 andtransition piece 29, the inwall of the cavity of the external peripheral surface offriction plate 32 andpoke rod 11 joins, one end offriction plate 33 is connected withtransition piece 29 by cover plate 35, atfriction plate 32 other ends, withfriction bar 33, be connected,friction bar 33 joins withshell fragment 34, and the other end ofshell fragment 34 andpoke rod 11 join.Be provided with limit assembly betweenbolt 31 andtransition piece 29, limit assembly comprisesgear piece 36 andlower gear piece 37, andupper gear piece 36 andlower gear piece 37 are socketed onmain shaft 27, andupper gear piece 36 joins withbolt 31, andlower gear piece 37 joins with transition piece 29.Whenpoke rod 11 pushes required angle, be rotatedcounterclockwise locking button 12 and enter position to the spacing position ofupper gear piece 36, during because of the rotation of locking button, the effect of helical angle produces an axial power, cover plate and friction plate, friction bar are compressed, bring larger damping strength to makepoke rod 11 could work and don't damage mechanism under strong effect, also avoided because the harm that doctor's maloperation brings.

As shown in FIG. 7 and 8, the external peripheral surface ofwheel hub 26 offersplural cannelure 38, two end faces up and down atwheel hub 26 respectively offer a draw-ingroove 39, draw-ingroove 39 is opened on the cell wall of cannelure, two draw-ingrooves 39 lay respectively at the two ends ofwheel hub 26 same diameters, also offer a through hole 40 on the end face ofwheel hub 26, one of them means of spot welds ofhauling rope 13 is in the draw-ingroove 39 of upper surface,hauling rope 13 is through after through hole 40, and another means of spot welds ofhauling rope 13 is in the draw-ingroove 39 of lower surface.Drive wheel hub 26 rotations ofpoke rod 11, stir by the front and back ofpoke rod 11, in the bendingflexible pipe 3 ofhauling rope 13 onfront adapter ring 22, seesaws and make bending joint do upper and lower curvature movement.

As shown in Figure 9,mirror body 2 is connected withpower supply handle 41 bysupply socket 10, be filled withfelt pad 42 insupply socket 41, infelt pad 42, be equipped be parallel to each other determinepin 43, inpower supply handle 41, be provided with and the movingpin 44 of determiningpin 43 and coordinating, be socketed withspring 52 outside movingpin 44, movingpin 44 andspring 52 all are positioned atbullet seat 53, be provided with snap close 45 atpower supply handle 41 andsupply socket 10 connecting places, by snap close 45, thatpower supply handle 41 andsupply socket 10 is fixing, be provided with DC-DC transducer 46 or AC-DC transducer inpower supply handle 41, select transducer according to the power supply of selecting.During use,first seal cover 47 is taken off, by the DVR display of band video recording and camera function in accordance with the instructions, red point is aimed to insert and is shown socket 8, screws nut; Thepower supply handle 41 that will install again battery locks withsupply socket 10 in accordance with the instructions; Presspower supply handle 41 bottom button switches, the ccd image sensor that composition lens is housed at front end 4 is just started working, and image is passed to the display output image signal; Also available external power source adapter and supply socket lock in accordance with the instructions, and the plug of external power source adapter is connected with commercial power socket; Can when handle electric power deficiency or inconvenient operation, use.The DC-DC transducer converts the 3.7V lithium battery to 5V and 3.3V bis-tunnel outputs, and also accessible civil power converts 110V or 220V to 5V or 3.3V bis-tunnel outputs through the AC-DC transducer, and wherein 5V is for the DVR display, and 3.3V is for ccd image sensor and illumination.The illumination of mirror adopts high-brightness LED, controls the size of operating current with current-limiting resistance R.

As shown in figure 10, first the rear handle ofclamp handle 14 and pull end are drawn close and made left and right binding clip closure, then by making leaf spring 48, the tooth bar on locking handle and pull end are locked; Due to seesawing of the closed and lockeddrive pull bar 49 ofclamp handle 14, namely by connectingcable wire 15, drive opening and closure of binding clips; According to operation, the visual pincers of bendable need to be inserted, the tissue shown according to display, find and need the position of biopsy, clamping or operation to be operated, locking or loosen clamp handle in the time of also can be operated on request.

Claims (9)

1. a bendable visible surgical clamp, comprise supervisor, supervisor is connected with the mirror body, it is characterized in that: be provided with the aqueous vapor passage and the image transmitting passage that are parallel to each other in described supervisor, the other end described supervisor is connected with the bending flexible pipe, end at described bending flexible pipe is provided with front end, be connected with binding clip and lens assembly on front end, offer water jet on front end, described water jet is connected with the aqueous vapor passage in supervisor, the other end of described aqueous vapor passage is connected with rinse mouth, and described rinse mouth is opened on the mirror body; Be connected with hauling rope on described bending flexible pipe, described hauling rope is connected with poke rod, poke rod is arranged on the mirror body, be provided with clamp handle on the mirror body, described clamp handle is connected with binding clip by connecting cable wire, is provided with the demonstration socket on the mirror body, shows on socket and is connected with display screen, be connected with the image transmitting passage at described demonstration socket, in the rear end of mirror body, be provided with supply socket; Described hauling rope is one, the two ends of hauling rope are fixed on the front end of bending flexible pipe, adapter ring before bending flexible pipe front inner wall is linked with, hauling rope is bound up on the two ends of a diameter of the same cross section of front adapter ring, the blind end of hauling rope around and be fixed on the wheel hub in the mirror body, wheel hub is connected with poke rod by main shaft.

2. bendable visible surgical clamp according to claim 1, it is characterized in that: described bending flexible pipe is connected by described front adapter ring with front end, described front adapter ring is the annular step scalariform, major diameter one end of described front adapter ring is connected with front end, and minor diameter one end of described front adapter ring is connected with the bending flexible pipe.

3. bendable visible surgical clamp according to claim 1 and 2, it is characterized in that: the external peripheral surface of described wheel hub offers plural cannelure, two end faces up and down at wheel hub respectively offer a draw-in groove, described draw-in groove is opened on the cell wall of cannelure, two draw-in grooves lay respectively at the two ends of the same diameter of wheel hub, also offer a through hole on the end face of wheel hub, one of them means of spot welds of hauling rope is in the draw-in groove of upper surface, hauling rope is through after through hole, and another means of spot welds of hauling rope is in the draw-in groove of lower surface.

4. bendable visible surgical clamp according to claim 1 and 2, it is characterized in that: the rear end of described bending flexible pipe is connected with supervisor by rear adapter ring, rear adapter ring and supervisor's welding, supervisor is connected with the mirror body by being responsible for rear adapter ring.

5. bendable visible surgical clamp according to claim 1 and 2, it is characterized in that: in described mirror body, be provided with pedestal, be provided with described wheel hub in pedestal, described wheel hub is socketed on main shaft, poke rod Yi Duan center offers spindle hole, the other end of poke rod offers cavity, be provided with transition piece in cavity, poke rod is connected with the locking button by transition piece, offer the axis hole concentric with the spindle hole of poke rod on transition piece, main shaft passes the axis hole at transition piece and poke rod center successively, join one section for square shaft with transition piece on main shaft, cushion block in one end of main shaft and pedestal is fixed, the other end of main shaft is bolted, be provided with friction component between poke rod and transition piece, be provided with limit assembly between bolt and transition piece.

6. bendable visible surgical clamp according to claim 5, it is characterized in that: described friction component comprises friction plate, friction bar and the shell fragment between poke rod and transition piece, the inwall of the external peripheral surface of described friction plate and the cavity of poke rod joins, one end of friction plate is connected with transition piece by cover plate, at the friction plate other end, with the friction bar, be connected, friction bar and shell fragment join, and the other end and the poke rod of shell fragment join.

7. bendable visible surgical clamp according to claim 5, it is characterized in that: described limit assembly comprises gear piece and lower gear piece, and upper gear piece and lower gear piece are socketed on main shaft, and upper gear piece and bolt join, and lower gear piece and transition piece join.

8. bendable visible surgical clamp according to claim 1 and 2, it is characterized in that: described mirror body is connected with the power supply handle by supply socket, be provided with felt pad in described supply socket, be provided with in felt pad and determine pin, in described power supply handle, be provided with and the moving pin of determining pin and coordinating, be socketed with spring outside moving pin, moving pin and spring are positioned at the bullet seat, the bullet seat is positioned at the power supply handle, be provided with snap close at power supply handle and supply socket connecting place, be provided with DC-DC transducer or AC-DC transducer in the power supply handle.

9. bendable visible surgical clamp according to claim 1 and 2, it is characterized in that: described bending flexible pipe comprises bending joint, and bending joint is wrapped with crooked netting, in crooked netting, is wrapped with crooked skin.

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