CN103784175B - Electronic anastomat - Google Patents
Electronic anastomat Download PDFInfo
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- CN103784175B CN103784175B CN201210489108.2A CN201210489108A CN103784175B CN 103784175 B CN103784175 B CN 103784175B CN 201210489108 A CN201210489108 A CN 201210489108A CN 103784175 B CN103784175 B CN 103784175B
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- Prior art keywords
- ejector sleeve
- center
- groove
- rear end
- backwards
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Classifications
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/068—Surgical staplers, e.g. containing multiple staples or clamps
- A61B17/072—Surgical staplers, e.g. containing multiple staples or clamps for applying a row of staples in a single action, e.g. the staples being applied simultaneously
- A61B17/07207—Surgical staplers, e.g. containing multiple staples or clamps for applying a row of staples in a single action, e.g. the staples being applied simultaneously the staples being applied sequentially
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/11—Surgical instruments, devices or methods, e.g. tourniquets for performing anastomosis; Buttons for anastomosis
- A61B17/115—Staplers for performing anastomosis in a single operation
- A61B17/1155—Circular staplers comprising a plurality of staples
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/32—Surgical cutting instruments
- A61B17/320016—Endoscopic cutting instruments, e.g. arthroscopes, resectoscopes
Abstract
The invention discloses a kind of electronic anastomat, comprise osculating mechanism and drive actuator, described driving actuator comprises the rear end driving mechanism and front end actuator that are connected by quick-connect machanism, described rear end driving mechanism comprises rear body, be arranged on rear tubular body by drive can precession forwards, backwards rear ejector sleeve and be arranged on pusher tube hub place can rear center's bar of precession forwards, backwards by driving; Described front end actuator comprises front body, be arranged on front tubular body by drive can before precession forwards, backwards ejector sleeve and be arranged on that front ejector sleeve is inner can center-pole before precession forwards, backwards by driving; Described quick-connect machanism comprises the sleeve that front and rear tube can be fixedly connected with, and correspondence is formed in groove on the ejector sleeve opposite face of front and back and fin and correspondence and is formed in groove on front-rear center bar opposite face and fin.Electronic anastomat of the present invention, simple and practical property is high, and fast changeable osculating head, can realize recycling of rear portion, reduces use cost.
Description
Technical field
The present invention relates to technical field of medical instruments, particularly relate to a kind of electronic anastomat.
Background technology
A kind of medical apparatus and instruments that Medical stapler often uses when being and performing surgical operation to digestion living according to principles for self-cultivation reason tissue, now conventional anastomat is manual operation in operating process physiological tissue being implemented to " closed, identical, cutting " entirely, usual manual operation complex steps, easy generation maloperation, or cause operative failure.In addition due to individual variation, easily produce inconsistent during manual closing operation to the closed degree organized and implemented, closing time, during percussion operation, percussion force can differ greatly, thus reduces surgical quality.
For overcoming manual deficiency, Chinese patent 201110109722.7 discloses a kind of electric anastomat for surgical department, comprise and there is nail supporting base, the osculating portion of nail bin and actuator and the driving device of driving actuator, described driving device is electric driver, and this electric driver is by power supply, panel and closed driver element, percussion driver element forms jointly, closed driver element is by closing motor and closed drive mechanism forms, the input of closed drive mechanism is connected with closed motor, the outfan of closed drive mechanism is connected with the actuator in osculating portion, percussion driver element forms by pulling the trigger motor and pulling the trigger drive mechanism, the input of percussion drive mechanism is connected with percussion motor, the outfan of percussion drive mechanism is connected with the actuator in osculating portion, closed motor is all connected with panel by wire with percussion motor, panel is connected with power supply by wire.
But above-mentioned employing two drive motors, two drive mechanisms, complex forms is not easily grasped and is done, when needs percussion osculating, need to press two buttons simultaneously, easily produce interlock or interference, and safety control adopts manually, two cover drive motors can cause the increase of volume, cost simultaneously, are unfavorable for the marketization.
And existing anastomat mostly is disposable mechanism, use cost is caused to increase the waste of material.
Summary of the invention
The object of the invention is the technological deficiency for existing in prior art, and provide a kind of structure simply to control electronic anastomat easily.
The technical scheme adopted for realizing object of the present invention is:
A kind of electronic anastomat, comprise osculating mechanism and drive actuator, described driving actuator comprises the rear end driving mechanism and front end actuator that are connected by quick-connect machanism, described rear end driving mechanism comprises rear body, be arranged on rear tubular body by drive can precession forwards, backwards rear ejector sleeve and be arranged on pusher tube hub place can rear center's bar of precession forwards, backwards by driving; Described front end actuator comprises front body, be arranged on front tubular body by drive can before precession forwards, backwards ejector sleeve and be arranged on that front ejector sleeve is inner can center-pole before precession forwards, backwards by driving; Described quick-connect machanism comprises the sleeve that front and rear tube can be fixedly connected with, and correspondence is formed in groove on the ejector sleeve opposite face of front and back and fin and correspondence and is formed in groove on front-rear center bar opposite face and fin.
Described front ejector sleeve front opening place is formed with inward flange, at inward flange or be provided with the first spring held backward by center-pole between front body and front center-pole, between the inward flange of front body and front ejector sleeve, be provided with the second spring held backward by front ejector sleeve simultaneously.
Described front center-pole and front ejector sleeve are respectively two sections of two-part structures be connected by ring groove and pin.
Described sleeve two ends are formed with ring fin and ring groove structure accordingly with front body and rear body respectively.
Described rear end driving mechanism also comprises and is fixedly installed on rear tubular body rear end and inside and outside wall forms threaded transmission screwed pipe respectively, is fixedly installed on the motor of the power cavity inside be fixedly connected with rear body afterbody, described rear ejector sleeve rear end and transmission screwed pipe external screw thread are connected with a joggle, described rear center's rod rear end and transmission screwed pipe female thread are connected with a joggle, and also comprise the clutch that alternatively output of described motor can be passed to rear center's bar or rear ejector sleeve.
Described rear center's rod rear end is formed with cavity body structure and is formed with groove on this cavity body structure inwall; The internal face of described rear ejector sleeve rear end is formed with groove; Described clutch comprise the power transmission shaft be connected by feather key with motor output shaft and the driven power transmission shaft be fixedly connected with described power transmission shaft movable stir ring, described power transmission shaft front wall is formed with groove and rear end is optical axis, wherein the groove of power transmission shaft front end and the groove of rear center's bar and rear ejector sleeve match, and can be connected with a joggle with it respectively to transmit rotation.
Described power cavity housing is provided with toggle mechanism, described toggle mechanism comprise at least two sliding trays being formed in symmetrically on power cavity housing and can be embedded matchingly in sliding tray and can before and after the sliding shoe of axis movement, described sliding shoe inner surface is formed and the described bayonet socket stirred ring and mate, and described bayonet socket will be stirred ring and embeds wherein and it can be allowed to relatively rotate.
Described rear center's bar is also fixedly installed feedback indicating arm, on rear ejector sleeve, is correspondingly formed with the opening that described feedback indicating arm can be allowed movable, and on rear body, be provided with the feedback panel that transparent material makes.
Described osculating mechanism is linear type, bent-up end type, chamber mirror-type or linear type ring cutting fitting mechanism.
Compared with prior art, the invention has the beneficial effects as follows:
Electronic anastomat of the present invention, simple and practical property is high, utilizes a motor can realize regulating and percussion, cuts down finished cost, be convenient to control simultaneously, improve result of use, utilize motor to pull the trigger, avoid the diversity manually pulled the trigger and produce, increase feedback window, visual feedback is provided, improves chance of success, improve surgical effect.Fast changeable osculating head, can realize recycling of rear portion simultaneously, reduces use cost.
Preferably, utilize the movable realization of clutch to the transmission of center-pole and ejector sleeve, and utilize groove engaged transmission, groove transmission is effective, transmits meticulous controlled, improves the fineness of product especially.
Accompanying drawing explanation
Figure 1 shows that the rear structure schematic diagram of the electronic anastomat of present pre-ferred embodiments;
Figure 2 shows that the front portion structure schematic diagram of the electronic anastomat of present pre-ferred embodiments;
Figure 3 shows that clutch configuration schematic diagram of the present invention.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, the present invention is described in further detail.Should be appreciated that specific embodiment described herein only in order to explain the present invention, be not intended to limit the present invention.
As shown in Figure 1, electronic anastomat of the present invention, comprise osculating mechanism and drive actuator, described driving actuator comprises the rear end driving mechanism and front end actuator that are connected by quick-connect machanism, described rear end driving mechanism comprises rear body 20, be arranged on rear body 20 inside by drive can forward precession rear ejector sleeve 6 and be arranged on rear ejector sleeve 6 center can rear center's bar 5 of precession forwards, backwards by driving; Described front end actuator comprises front body 29, be arranged on front tubular body by drive can before precession forwards, backwards ejector sleeve 60 and be arranged on that front ejector sleeve is inner can center-pole 50 before precession forwards, backwards by driving; Described quick-connect machanism comprises the sleeve 80 that front and rear tube can be fixedly connected with, and correspondence is formed in groove on the ejector sleeve opposite face of front and back and fin and correspondence and is formed in groove on front-rear center bar opposite face and fin.That is, the present invention adopts rear end to drive and front end execution two-part structure, and during use, front end actuator is disposable, and rear end driving mechanism can repeatedly use, and reduces use cost, and, connected mode simple and stable.
Wherein, for rear end driving mechanism, arbitrary motorized motions mode can be adopted, only need to drive precession forward can realize the object of the present invention rear ejector sleeve and rear center's bar.To be specifically described with most preferred embodiment of the present invention below.
The driving actuator described in most preferred embodiment of the present invention also comprise be fixedly installed on after tubular body rear end and inside and outside wall form threaded transmission screwed pipe 9 respectively, be fixedly installed on after the motor of body afterbody, wherein, described rear ejector sleeve 6 is arranged on rear body 20 inside and rear end and transmission screwed pipe external screw thread are connected with a joggle, described rear center's bar 5 is arranged on rear ejector sleeve 6 inside and rear end and transmission screwed pipe female thread are connected with a joggle, and also comprises the clutch 13 that alternatively output of described motor can be passed to rear center's bar or rear ejector sleeve.
Wherein, specifically, described rear body is fastened and connected by the rear body of two cross section semicirculars in shape and forms, and rear body is adopted split-type structural, is convenient to internal components and arranges.It should be noted that, the front portion in the present invention, front end are all near osculating mechanism end, rear portion, rear end, afterbody be all to away from osculating mechanism near motor side.
Described transmission screwed pipe is arranged on rear body central place regularly relative to rear body, specifically, described transmission screwed pipe 9 by multiple outer end to be fixedly connected with rear body inner with transmission screwed pipe after the locating dowel supporting and location that is fitting to connection of body in the middle part of rear body, be provided with in described rear ejector sleeve part corresponding with locating dowel and slot to avoid rotating to be formed on it affecting; Preferably, transmission screwed pipe axial limiting, by be fixedly connected with rear inboard wall of tube body and the spacing preiection running through rear ejector sleeve is located, to be limited it and rotates, effectively can ensure the transmission of rear center's bar and rear ejector sleeve by described transmission screwed pipe front end.
Described rear center's rod rear end and transmission screwed pipe are spirally connected and pass transmission screwed pipe with close to clutch, simultaneously for ease of with driven by clutches, described rear center's rod rear end is formed with cavity body structure and is formed with groove 14 on this cavity body structure inwall.
For ease of the position of the controlled reach of monitoring rear center's bar, described rear center's bar is also fixedly installed feedback indicating arm 8, on rear ejector sleeve, be correspondingly formed with the opening that described feedback indicating arm can be allowed movable, and on rear body, be provided with the feedback panel 18 that transparent material makes, described feedback panel is provided with qualified Warning Mark, while carrying out display feedback indicating arm position, can indicate whether to arrive correct position simultaneously.Can determine whether to excite completely when carrying out chamber mirror anastomosis operation, therefore can reduce danger.
Described rear ejector sleeve rear end and transmission screwed pipe are spirally connected and pass transmission screwed pipe with close to clutch, simultaneously for ease of transmission, described rear ejector sleeve rear end internal face is formed with ladder platform, and groove 15 is formed on the internal face of ladder platform, it is pointed out that described ladder platform is identical with the groove of rear center bar afterbody and the internal diameter of correspondence is identical.
Described motor 10 and battery 11 and control system 12 are fixedly installed in the power cavity 17 that is fixedly connected with rear body afterbody, and motor is micro-step motor or the micro-step motor with decelerator, certainly also can directly adopt external power supply energy supply.The stepping output utilizing battery-powered to realize motor by control system is prior art, no longer launches to describe at this.On the housing of power cavity, be provided with two control knobs to control the rotating of motor respectively simultaneously, realize that transmission switches by the mechanical adjustment of clutch and different control knobs realizes the rotating of motor, control simple and there will not be interlock phenomenon, more easily behaviour does.
As shown in Figure 3, clutch 13 of the present invention comprise power transmission shaft 131 and with described power transmission shaft 131 coaxial arrange and be fixedly connected with stir ring 132, described power transmission shaft is connected by feather key with motor output shaft, and it allows power transmission shaft move axially and uninterruptedly to the transmission of power transmission shaft export predetermined relative to motor output shaft generation.Wherein said power transmission shaft front wall is formed with groove and rear end is optical axis, and wherein the groove of power transmission shaft front end and the groove of rear center's bar and rear ejector sleeve match, and can be connected with a joggle with it respectively to transmit rotation.
Move axially the transmission then realizing power transmission shaft and rear center's bar or rear ejector sleeve before and after ring switch for stirring described stirring, described power cavity housing is provided with toggle mechanism, described toggle mechanism comprise two sliding trays being formed in symmetrically on power cavity housing and can be embedded matchingly in sliding tray and can before and after the sliding shoe 16 of axis movement, described sliding shoe inner surface is formed and the described bayonet socket stirred ring and mate, described bayonet socket will be stirred ring and embeds wherein and it can be allowed to relatively rotate, because stir ring, rear center's bar and rear ejector sleeve are arranged on same axis, namely stir sliding shoe by front and back and can realize the groove of power transmission shaft front end and the groove engaged transmission of rear center's bar or the groove engaged transmission with rear ejector sleeve, realize transmission and switch to realize a motor adjustment, pull the trigger two kinds and use output condition.
Further, simultaneously for improving its operability, described power cavity housing is provided with ring groove, described sliding shoe links together by the corresponding annular adjustable ring arranged, and push-and-pull adjustable ring can be with dynamic clutch to move forward and backward, and improves use sense further and is subject to.
Further, for improving the stability of rear center's bar transmission, prevent it from causing transmission performance not good because length is long, described rear inboard wall of tube body is inwardly formed highlightedly and organizes brace table more, described brace table runs through the through hole of rear ejector sleeve and contacts, to its supporting and location to improve its stability with rear center bar.
Described front end actuator comprises front body 29, be arranged on front tubular body by drive can forward before precession ejector sleeve 60 and be arranged on that front ejector sleeve is inner can center-pole 50 before precession forwards, backwards by driving; For improving the stability of front center-pole transmission, prevent it from causing transmission performance not good because length is long, inboard wall of tube body is inwardly formed highlightedly before described and organizes brace table more, described brace table runs through the through hole of front ejector sleeve and contacts with front center-pole, to its supporting and location to improve its stability, make its setting placed in the middle also be convenient to and rear center's bar transmission simultaneously.Meanwhile, front body is similar to rear body, is also that two semicircle clampings form, specifically no longer describes.
For improving the pressure of front center-pole and rear center's bar joint end, described front ejector sleeve front opening place is formed with inward flange 51, at inward flange or be provided with the first spring 52 held backward by center-pole between body and front center-pole, specifically, the first described spring 52 is positioned at the application point of front center-pole the ladder platform be formed on front center-pole, front center-pole holds by the first described spring backward, effectively can ensure the stability of front-rear center bar transmission.
For improving the pressure of front ejector sleeve and rear ejector sleeve joint end, between the inward flange of front body and front ejector sleeve, be provided with the second spring 53 held backward by front ejector sleeve.Front ejector sleeve bar holds by the second described spring backward, effectively can ensure the stability of front and back ejector sleeve transmission.
Described quick-connect machanism comprises the sleeve 80 that front and rear tube can be fixedly connected with, and correspondence is formed in groove on the ejector sleeve opposite face of front and back and fin and correspondence and is formed in groove on front-rear center bar opposite face and fin.Described fin and groove can adopt the shape such as yi word pattern or decussate texture of coupling, utilize groove and being fitted and fixed with of fin by front-rear center bar or front and back ejector sleeve interlock, the rotation of motor to be finally passed to foremost.
For ease of the quick connection of front end actuator and rear end driving mechanism, described sleeve two ends are formed with ring fin and ring groove structure accordingly with front body and rear body respectively, and the socket connection of ring fin and ring groove greatly facilitates mounting means.Especially more its fast connectivity can be highlighted when front and rear tube, front-rear center bar and front and back ejector sleeve diameter are consistent.
Described osculating mechanism can adopt arbitrary form, as linear type, bent-up end type, chamber mirror-type, is described below for linear type ring cutting fitting mechanism.
Described osculating mechanism comprises nail supporting base and ejector pin assembly, the connecting rod that described ejector pin assembly comprises nail pushing plate and is integrally formed with described nail pushing plate, described connecting rod rearward end can insert front ejector sleeve leading section matchingly, and described connecting rod rearward end is formed with ring groove, rear ejector sleeve and connecting rod can be in transmission connection by the pin running through rear ejector sleeve, are provided with the guiding rib and guide groove structure that prevent connecting rod from rotating accordingly between the connecting rod body of rod simultaneously and front body.The connecting rod that described nail supporting base comprises hemispherical pedestal and is integrally formed with described pedestal, the cavity that described connecting rod end can be allowed to insert is formed in described center-pole front end, be formed with ring groove in described connecting rod end simultaneously, utilize the pin running through center-pole can realize the transmission of center-pole and nail supporting base, between the connecting rod of nail supporting base and cylindrical shell or ejector sleeve, be provided with lead rib or lead and guide groove structure.
In use, first be adjusted to titanium staple height by the motor 10 be fixed among power cavity 17, during adjustment, sliding shoe 16 is pulled to sliding tray anterior, the groove of clutch 13 be connected with motor 10 is made to engage with the groove 14 of center-pole thus drive center-pole 5 to rotate, center-pole 5 engages with drive screw 9 female thread, and the precessional motion forward rotation of motor 10 being converted into center-pole drives nail supporting base to move forward then.The feedback indicating arm 8 be arranged on center-pole feeds back to the feedback panel 18 be arranged on body, not only described feedback panel provides distance feedback but also whether suitablely provides to be fed back, specifically, feedback panel is provided with scale and red area and green area, when pointed red area, titanium nail can not excite completely, green area can excite completely, altitude mixture control can be made more directly perceived, accurate by feedback panel.
When needing percussion, sliding shoe 16 is pulled to sliding tray rear portion, the clutch 13 be now connected with motor 10 engages with the groove 15 being arranged on ejector sleeve 6 end, thus drive ejector sleeve 6 to rotate, ejector sleeve 6 engages with drive screw 9 external screw thread, the rotation of ejector sleeve is converted into precession forward and then drives ejector pin assembly to move forward.Ejector pin assembly travels forward and first promotes endless knife 3 and travel forward and realize tissue cutting, after promote nail bin 2 again and travel forward, and then realize percussion and sew up.Exit process contrary with above-mentioned steps, specifically no longer describe.
It is pointed out that adjustable range and percussion distance all relative little, only have several millimeters, ejector sleeve offered larger hole described brace table and spacing preiection can be allowed to wear many and relative motion that is that do not affect between the two.The width simultaneously suitably increasing each groove can avoid transmission to disconnect.
Bent-up end type is similar to linear type circumcision stapler structure, for the fitting mechanism of linear anastomat, because some is different for its action and linear type circumcision stapler, specifically, the osculating mechanism of linear anastomat comprises nail supporting base, nail bin and linear cutter and ejector pin assembly, described ejector pin assembly comprises the connecting rod or connecting cylinder that can promote nail pushing plate that nail bin and cutter advance forward and be integrally formed with described nail pushing plate, described connecting rod or connecting cylinder rearward end can insert front ejector sleeve leading section matchingly, and described connecting rod or connecting cylinder rearward end outside wall surface are formed with ring groove, front ejector sleeve and connecting rod or connecting cylinder can be in transmission connection by the pin running through front ejector sleeve, connecting rod simultaneously or be provided with the guiding rib and guide groove structure that prevent connecting rod from rotating between connecting cylinder lateral wall and front body accordingly.Namely utilize ring groove and pin to realize transmission, the guiding in conjunction with guiding rib groove can realize front ejector sleeve and drive ejector pin assembly to move forward and backward.
The nail supporting base of described linear anastomat comprises to nail-plate and linking arm, described linking arm end is formed with transmission arm vertical with it, described transmission arm end is formed with contiguous block, described front center-pole is formed can be embedding containing the spiral groove in it by described contiguous block, and namely running through of transmission arm is formed in the through hole on front body and front ejector sleeve and in the groove before being embedded by the contiguous block of end on the center-pole body of rod.For improving coordinating of contiguous block and groove, can adopt T-slot structure, energy effective means contiguous block takes off groove affects transmission.
Further, for the nail supporting base of linear anastomat is kept relative with front body fixing, utilize together with linking arm is included in front body by retaining ring, described retaining ring is two semi-circulars be fixedly connected with, its by linking arm together with front body relative limit, meanwhile, for guiding nail supporting base to move forward and backward, between linking arm and front body or retaining ring, the guiding rib preventing linking arm from rotating and guide groove structure is provided with accordingly.That is, utilize the slip of contiguous block in spiral groove to realize transmission, and utilize the guiding of guiding rib groove can realize driving before and after nail supporting base.
And for electronic chamber mirror anastomat, because it does not have ejector sleeve structure, only need the precession of center-pole can realize whole action, specifically, the osculating mechanism of electronic chamber mirror anastomat comprises board-type nail supporting base 1, the vertical cut cutter 3 that nail bin 2 and upper and lower two ends are slidably connected respectively at nail bin and nail supporting base, and described nail supporting base is fixedly connected with front body, described nail bin and front body hinged, described vertical cut cutter rear portion and front center-pole can be in transmission connection.
Wherein, the front lower portion of vertical cut cutter is formed with the slide block corresponding with the T-shaped chute be arranged on nail supporting base, simultaneously, the upper front end of vertical cut cutter is formed with the guide pillar corresponding with the chute on nail bin, when vertical cut cutter moves forward by driving, because slide block can only be moved forward along T-shaped chute by T-shaped chute is spacing, the effect of guide pillar and chute can further the distance of nail bin and nail supporting base, cut and organize along with vertical cut cutter is advanced, nail bin and nail supporting base near synchronously completing stitching.When sewing up complete exiting, the retrogressing along with vertical cut cutter is aided with the elastic reset of nail bin, and nail bin progressively separates with nail supporting base, does not repeat them here herein similarly to the prior art.
Wherein, as further improvement, for avoiding osculating mechanism and front center-pole and front ejector sleeve junction vibrational power flow too much, described front center-pole and front ejector sleeve are respectively two-part structure, two sections adopt ring groove to be connected with the fit system of pin, and transmission and guide frame are provided separately, such front end is fixedly connected with corresponding component respectively, avoid front-end architecture too fat to move, improve space availability ratio and running stability.The connected mode of two sections is similar with bayonet fittings mode to above-mentioned ring groove, no longer describes at this.
The above is only the preferred embodiment of the present invention; it should be pointed out that for those skilled in the art, under the premise without departing from the principles of the invention; can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.
Claims (9)
1. an electronic anastomat, comprise osculating mechanism and drive actuator, it is characterized in that, described driving actuator comprises the rear end driving mechanism and front end actuator that are connected by quick-connect machanism,
Described rear end driving mechanism comprises rear body, be arranged on rear tubular body by drive can precession forwards, backwards rear ejector sleeve and be arranged on pusher tube hub place can rear center's bar of precession forwards, backwards by driving;
Described front end actuator comprises front body, be arranged on front tubular body by drive can before precession forwards, backwards ejector sleeve and be arranged on that front ejector sleeve is inner can center-pole before precession forwards, backwards by driving;
Described quick-connect machanism comprises the sleeve that front and rear tube can be fixedly connected with, and correspondence is formed in groove on the ejector sleeve opposite face of front and back and fin and correspondence and is formed in groove on front-rear center bar opposite face and fin.
2. electronic anastomat as claimed in claim 1, it is characterized in that, described front ejector sleeve front opening place is formed with inward flange, at inward flange or be provided with the first spring held backward by center-pole between front body and front center-pole, between the inward flange of front body and front ejector sleeve, be provided with the second spring held backward by front ejector sleeve simultaneously.
3. electronic anastomat as claimed in claim 2, is characterized in that, described front center-pole and front ejector sleeve are respectively two sections of two-part structures be connected by ring groove and pin.
4. electronic anastomat as claimed in claim 3, is characterized in that, described sleeve two ends are formed with ring fin and ring groove structure accordingly with front body and rear body respectively.
5. the electronic anastomat as described in any one of claim 1-4, it is characterized in that, described rear end driving mechanism also comprises and is fixedly installed on rear tubular body rear end and inside and outside wall forms threaded transmission screwed pipe respectively, is fixedly installed on the motor of the power cavity inside be fixedly connected with rear body afterbody, described rear ejector sleeve rear end and transmission screwed pipe external screw thread are connected with a joggle, described rear center's rod rear end and transmission screwed pipe female thread are connected with a joggle, and also comprise the clutch that alternatively output of described motor can be passed to rear center's bar or rear ejector sleeve.
6. electronic anastomat as claimed in claim 5, is characterized in that, described rear center's rod rear end is formed with cavity body structure and is formed with groove on this cavity body structure inwall; The internal face of described rear ejector sleeve rear end is formed with groove; Described clutch comprise the power transmission shaft be connected by feather key with motor output shaft and the driven power transmission shaft be fixedly connected with described power transmission shaft movable stir ring, described power transmission shaft front wall is formed with groove and rear end is optical axis, wherein the groove of power transmission shaft front end and the groove of rear center's bar and rear ejector sleeve match, and can be connected with a joggle with it respectively to transmit rotation.
7. electronic anastomat as claimed in claim 6, it is characterized in that, described power cavity housing is provided with toggle mechanism, described toggle mechanism comprise at least two sliding trays being formed in symmetrically on power cavity housing and can be embedded matchingly in sliding tray and can before and after the sliding shoe of axis movement, described sliding shoe inner surface is formed and the described bayonet socket stirred ring and mate, and described bayonet socket will be stirred ring and embeds wherein and it can be allowed to relatively rotate.
8. electronic anastomat as claimed in claim 5, it is characterized in that, described rear center's bar is also fixedly installed feedback indicating arm, on rear ejector sleeve, be correspondingly formed with the opening that described feedback indicating arm can be allowed movable, and on rear body, be provided with the feedback panel that transparent material makes.
9. electronic anastomat as claimed in claim 1, is characterized in that, described osculating mechanism is bent-up end type, chamber mirror-type or linear type ring cutting fitting mechanism.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210489108.2A CN103784175B (en) | 2012-11-26 | 2012-11-26 | Electronic anastomat |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210489108.2A CN103784175B (en) | 2012-11-26 | 2012-11-26 | Electronic anastomat |
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| CN103784175A CN103784175A (en) | 2014-05-14 |
| CN103784175B true CN103784175B (en) | 2015-09-16 |
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| CN201210489108.2A Active CN103784175B (en) | 2012-11-26 | 2012-11-26 | Electronic anastomat |
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| CN105455864B (en) * | 2014-09-05 | 2017-11-21 | 天津瑞奇外科器械股份有限公司 | The drive device and surgical operating instrument of surgical operating instrument |
| CN106580381A (en) * | 2015-10-19 | 2017-04-26 | 俞晓立 | Surgical stapler |
| CN105395232B (en) * | 2015-12-22 | 2019-02-15 | 苏州英途康医疗科技有限公司 | Electronic stapler |
| CN105496488B (en) | 2016-02-03 | 2018-09-21 | 苏州英途康医疗科技有限公司 | Electronic stapler |
| CN106333720B (en) * | 2016-10-14 | 2019-02-15 | 苏州英途康医疗科技有限公司 | Intelligent hysteroscope stapler |
| CN107041775B (en) * | 2017-02-04 | 2023-12-26 | 芜湖商环科技有限公司 | Built-in electric circumcision device |
| CN106963455B (en) * | 2017-02-04 | 2024-01-12 | 芜湖圣大医疗器械技术股份有限公司 | Everting type electric circumcision device |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2418839Y (en) * | 2000-03-30 | 2001-02-14 | 马剑文 | Tubular anastomat for operating curved tube with replaceable push seat assembly |
| US7922063B2 (en) * | 2007-10-31 | 2011-04-12 | Tyco Healthcare Group, Lp | Powered surgical instrument |
| US8640940B2 (en) * | 2008-04-30 | 2014-02-04 | Educational Foundation Jichi Medical University | Surgical system and surgical method for natural orifice transluminal endoscopic surgery (NOTES) |
| CN202920275U (en) * | 2012-11-26 | 2013-05-08 | 天津瑞贝精密机械技术研发有限公司 | Electric anastomat |
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2012
- 2012-11-26 CN CN201210489108.2A patent/CN103784175B/en active Active
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