CN202920273U - Electric bent-end anastomat - Google Patents
Electric bent-end anastomat Download PDFInfo
- Publication number
- CN202920273U CN202920273U CN 201220634056 CN201220634056U CN202920273U CN 202920273 U CN202920273 U CN 202920273U CN 201220634056 CN201220634056 CN 201220634056 CN 201220634056 U CN201220634056 U CN 201220634056U CN 202920273 U CN202920273 U CN 202920273U
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- ejector sleeve
- center
- pole
- bar
- anastomat
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Abstract
The utility model discloses an electric bent-end anastomat, which comprises an anastomosing and cutting mechanism and a driving and executing mechanism. The driving and executing mechanism comprises a rear end driving mechanism and a front end executing mechanism. The rear end driving mechanism comprises a rear pipe body, a rear pushing pipe which is arranged in the rear pipe body and can be driven to precess forwards and backwards, and a rear central rod which is arranged in the center of the rear pushing pipe and can be driven to precess forwards and backwards. The front end executing mechanism comprises a front pipe body, a front pushing pipe which is arranged in the front pipe body and can be driven to precess forwards and backwards, and a front central rod which is arranged in the front pushing pipe and can be driven to precess forwards and backwards. The front pipe body, the front pushing pipe and the front central rod are made of flexible materials. The front pipe body is fixedly connected with the rear pipe body. The front central rod is connected with the rear central rod in a driving way. The front pushing pipe is connected with the rear pushing pipe in a driving way. The electric bent-end anastomat provided by the utility model has the advantages that the structure is simple, the practicability is high, the adjustment and the triggering can be realized by using one motor, the manufacturing cost is reduced and the use effect is improved.
Description
Technical field
This utility model relates to technical field of medical instruments, particularly relates to a kind of electronic bent-up end anastomat.
Background technology
Medical stapler is that digestion living according to principles for self-cultivation reason is organized a kind of medical apparatus and instruments that often uses when performing surgical operation, anastomat commonly used is manual operation entirely in the operating process of physiological tissue being implemented " closed, identical, cutting " now, common manual operation complex steps, maloperation easily occurs, and perhaps causes operative failure.In addition due to individual variation, during the manual closing operation, closed degree, the closing time of organizing and implementing easily produced inconsistently, during the percussion operation, percussion force can differ greatly, thereby has reduced the operation quality.
for overcoming manual deficiency, Chinese patent 201110109722.7 discloses a kind of electric anastomat for surgical department, comprise and have nail supporting base, the osculating section of nail bin and actuator and the driving device that drives actuator, described driving device is electric driver, and this electric driver is by power supply, panel and closed driver element, the percussion driver element forms jointly, closed driver element is comprised of closed motor and closed drive mechanism, the input of closed drive mechanism is connected with closed motor, the outfan of closed drive mechanism is connected with the actuator of osculating section, the percussion driver element is comprised of percussion motor and percussion drive mechanism, the input of percussion drive mechanism is connected with the percussion motor, the outfan of percussion drive mechanism is connected with the actuator of osculating section, closed motor be connected motor and all be connected with panel by wire, panel is connected with power supply by wire.
But two drive motors of above-mentioned employing, two drive mechanisms, complex forms is difficult for behaviour and does, when needs percussion osculating, need to press simultaneously two buttons, easily produce interlock or disturb, and safety control adopts manually, two cover drive motors can cause the increase of volume, cost simultaneously, be unfavorable for the marketization, and this technology also can't satisfy the demand of flexible anastomat.
The utility model content
The purpose of this utility model is for the technological deficiency that exists in prior art, and a kind of control simple in structure electronic bent-up end anastomat easily is provided.
For realizing that the technical scheme that the purpose of this utility model adopts is:
A kind of electronic bent-up end anastomat, comprise osculating mechanism and drive actuator, described driving actuator comprises rear end driving mechanism and front end actuator, and described rear end driving mechanism comprises rear body, be arranged on rear body inside is driven the rear ejector sleeve of precession forwards, backwards and be arranged on pusher tube hub place and driven rear center's bar of precession forwards, backwards; Described front end actuator comprises front body, be arranged on front body inside is driven the front ejector sleeve of precession forwards, backwards and is arranged on front ejector sleeve inside and driven the front center-pole of precession forwards, backwards, wherein, described front body, front ejector sleeve and front center-pole are made by flexible material, described front body is fixedly connected with rear body, but front center-pole and rear center's bar transmission link, but front ejector sleeve and rear ejector sleeve transmission link.
Described front body, front ejector sleeve and front center-pole are by plastic injection-moulded formation.
Described osculating mechanism comprises nail supporting base and ejector pin assembly, described ejector pin assembly comprises nail pushing plate and the connecting rod integrally formed with described nail pushing plate, described connecting rod rearward end is fixedly connected with front ejector sleeve front end, described front ejector sleeve rearward end can be inserted rear ejector sleeve leading section matchingly, and described front ejector sleeve rearward end is formed with ring groove, the pin that runs through rear ejector sleeve can be in transmission connection rear ejector sleeve and front ejector sleeve, is provided with accordingly simultaneously guiding rib and the guide groove structure that prevents front ejector sleeve rotation between described front ejector sleeve and front body.
Described front center-pole front end is fixedly connected with nail supporting base, rear center's bar front end is formed with the cavity that can allow the end insertion of described front center-pole, simultaneously be formed with ring groove in described front center-pole end, the pin that utilization runs through rear center's bar can be realized the transmission of rear center's bar and front center-pole, simultaneously, be provided with guiding rib or lead and guide groove structure between front center-pole and cylindrical shell or ejector sleeve.
Described rear end driving mechanism also comprises and is fixedly installed on the inner rear end of rear body and inside and outside wall forms respectively threaded transmission screwed pipe, is fixedly installed on the motor of the power cavity inside that is 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 rod rear end and transmission screwed pipe female thread are connected with a joggle, and comprise that also can select a ground is passed to the output of described motor on the clutch of rear center's bar or rear ejector sleeve.
Described rear center rod rear end is formed with cavity body structure and is formed with groove on this cavity body structure inwall; Be formed with groove on the internal face of described rear ejector sleeve rear end; Described clutch comprises with motor output shaft stirs ring by what feather key connection for transmission axle and the driven power transmission shaft that is fixedly connected with described power transmission shaft moved forward and backward, described power transmission shaft front wall is formed with groove and the rear end is optical axis, wherein the groove of the groove of power transmission shaft front end and rear center's bar and rear ejector sleeve is complementary, and can be connected with a joggle to transmit respectively rotation with it.
Be provided with toggle mechanism at described power cavity housing, described toggle mechanism comprise at least two sliding trays that are formed on symmetrically on the power cavity housing and can be embedded matchingly in sliding tray and can before and after the sliding shoe that moves of axis, described sliding shoe inner surface is formed with and the described bayonet socket of stirring the ring coupling, and described bayonet socket will be stirred ring and embeds wherein and can allow it to relatively rotate.
Also be fixedly installed the feedback indicating arm on described rear center bar, correspondingly be formed with the opening that can allow described feedback indicating arm to move forward and backward on rear ejector sleeve, and be provided with the feedback panel that transparent material is made on rear body.
Compared with prior art, the beneficial effects of the utility model are:
Electronic bent-up end anastomat of the present utility model, simple and practical property is high, utilizes a motor can realize regulating and percussion, cut down finished cost, be convenient to simultaneously control, improve result of use, utilize the motor percussion, the diversity of having avoided manual percussion to produce increases feedback window, and visual feedback is provided, improve chance of success, improve surgical effect, increased simultaneously flexible front portion mechanism, improved the scope of application.
As preferred version, utilize moving forward and backward of clutch to realize transmission to center-pole and ejector sleeve, and utilize the groove engaged transmission, the groove transmission is effective, transmits meticulous controlledly, improves especially the fineness of product.
Description of drawings
Figure 1 shows that electronic bent-up end anastomat structural representation of the present utility model;
Figure 2 shows that clutch configuration schematic diagram of the present utility model.
The specific embodiment
Below in conjunction with the drawings and specific embodiments, this utility model is described in further detail.Should be appreciated that specific embodiment described herein only in order to explaining this utility model, and be not used in restriction this utility model.
As shown in Figure 1, electronic bent-up end anastomat of the present utility model, comprise osculating mechanism and drive actuator, described driving actuator comprises rear end driving mechanism and the front end actuator that is connected by quick-connect machanism, and described rear end driving mechanism comprises rear body 20, be arranged on rear body 20 inside is driven the rear ejector sleeve 6 of precession forwards, backwards and be arranged on rear ejector sleeve 6 centers and driven rear center's bar 5 of precession forwards, backwards; Described front end actuator comprises front body 29, be arranged on front body inside is driven the front ejector sleeve 60 of precession forwards, backwards and is arranged on front ejector sleeve inside and driven the front center-pole 50 of precession forwards, backwards; Wherein, described front body, front ejector sleeve and front center-pole are made by flexible material, and described front body is fixedly connected with rear body, but front center-pole and rear center's bar transmission link, but front ejector sleeve and rear ejector sleeve transmission link.That is, this utility model adopts the rear end to drive and front end is carried out the two-part structure, and the front end actuator adopts the flexible material to make, and improves ease of use.
Wherein, for the rear end driving mechanism, can adopt motorized motions mode arbitrarily, only need and rear ejector sleeve and rear center's bar can be driven the purpose that precession forwards, backwards can realize this utility model.The below will be specifically described with most preferred embodiment of the present utility model.
The driving actuator described in most preferred embodiment of the present utility model also comprise be fixedly installed on after the inner rear end of body and inside and outside wall form respectively threaded transmission screwed pipe 9, be fixedly installed on after the motor of body afterbody, wherein, described rear ejector sleeve 6 is arranged on rear body inside and rear end and transmission screwed pipe external screw thread and is connected with a joggle, described rear center bar 5 is arranged on rear ejector sleeve inside and rear end and transmission screwed pipe female thread and is connected with a joggle, and comprises that also can select a ground is passed to the output of described motor on the clutch of 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 the internal components setting.Need to prove, the front portion in this utility model, front end are all near the 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 center regularly with respect to rear body, specifically, described transmission screwed pipe 9 be fixedly connected with inner and transmission screwed pipe by a plurality of outer ends and rear body after the chimeric locating dowel supporting and location that is connected of body at rear body middle part, being provided with fluting in described rear ejector sleeve part corresponding with locating dowel affects to avoid that it is rotated formation; Preferably, described transmission screwed pipe front end is by the spacing preiection location that is fixedly connected with and runs through rear ejector sleeve with rear inboard wall of tube body, with transmission screwed pipe axial limiting and limit it and rotate, can effectively guarantee the transmission of rear center's bar and rear ejector sleeve.
Described rear center rod rear end and transmission screwed pipe are spirally connected and pass the transmission screwed pipe with near clutch, simultaneously for ease of with driven by clutches, described rear center rod rear end is formed with cavity body structure and is formed with groove 14 on this cavity body structure inwall.
Position for ease of the controlled reach of monitoring rear center's bar, also be fixedly installed feedback indicating arm 8 on described rear center bar, correspondingly be formed with the opening that can allow described feedback indicating arm to move forward and backward on rear ejector sleeve, and be provided with the feedback panel 18 that transparent material is made on rear body, be provided with qualified Warning Mark on described feedback panel, when showing feedback indicating arm position, can indicate whether simultaneously to arrive correct position.Can determine whether to excite fully 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 the transmission screwed pipe with near clutch, simultaneously for ease of transmission, be formed with the ladder platform on the internal face of described rear ejector sleeve rear end, and be formed with groove 15 on the internal face of ladder platform, it is pointed out that the identical and corresponding internal diameter of the groove of described ladder platform and rear center bar afterbody is identical.
Described motor 10 and battery 11 be with in control system 12 is fixedly installed on the power cavity 17 that is fixedly connected with rear body afterbody, and motor is micro-step motor or with the micro-step motor of decelerator, certainly also can directly adopt the external power supply energy supply.Utilize battery-powered to realize that by control system the stepping of motor is output as prior art, no longer launch to describe at this.Simultaneously be provided with two control knobs to control respectively the rotating of motor on the housing of power cavity, mechanical adjustment by clutch realizes that transmission is switched and different control knobs is realized the rotating of motor, control simply and not the phenomenon that links can occur, and more easily behaviour does.
As shown in Figure 2, clutch 13 of the present utility model comprise power transmission shaft 131 with the coaxial setting of described power transmission shaft 131 and be fixedly connected with stir the ring 132, described power transmission shaft is connected by feather key with motor output shaft, and it allows the relative motor output shaft of power transmission shaft that predetermined moving axially and uninterrupted transmission output to power transmission shaft occurs.Wherein said power transmission shaft front wall is formed with groove and the rear end is optical axis, and wherein the groove of the groove of power transmission shaft front end and rear center's bar and rear ejector sleeve is complementary, and can be connected with a joggle to transmit respectively rotation with it.
describedly move axially the transmission switching that then realizes power transmission shaft and rear center's bar or rear ejector sleeve before and after stirring ring for stirring, be provided with toggle mechanism at described power cavity housing, described toggle mechanism comprise two sliding trays that are formed on symmetrically on the power cavity housing and can be embedded matchingly in sliding tray and can before and after the sliding shoe 16 that moves of axis, described sliding shoe inner surface is formed with and the described bayonet socket of stirring the ring coupling, described bayonet socket will be stirred ring and embeds wherein and can allow it to relatively rotate, because stir ring, rear center's bar and rear ejector sleeve are arranged on same axis, namely by front and back stir sliding shoe can realize the groove of power transmission shaft front end and rear center's bar the groove engaged transmission or with the groove engaged transmission of rear ejector sleeve, realize that transmission switches to realize that motor regulates, pull the trigger two kinds and use output condition.
Further, for improving its operability, be provided with ring groove on described power cavity housing simultaneously, the corresponding annular adjustable ring that arranges links together described sliding shoe, and the push-and-pull adjustable ring can be with dynamic clutch to move forward and backward, and further improves and uses impression.
Further, for improving the stability of rear center's bar transmission, prevent that it from causing transmission performance not good because length is long, inwardly be formed with highlightedly many group brace tables on described rear inboard wall of tube body, described brace table runs through the through hole of rear ejector sleeve and contacts with the rear center bar, to its supporting and location to improve its stability.
Described front end actuator comprises front body 29, be arranged on front body inside is driven the front ejector sleeve 60 of precession forwards, backwards and is arranged on front ejector sleeve inside and driven the front center-pole 50 of precession forward; For improving the stability of front center-pole transmission, prevent that it from causing transmission performance not good because length is long, inwardly be formed with highlightedly many group brace tables on described front inboard wall of tube body, described brace table runs through the through hole of front ejector sleeve and contacts with front center-pole, to improve its stability, make simultaneously its setting placed in the middle also be convenient to the bar transmission with rear center to its supporting and location.
Described osculating mechanism comprises nail supporting base and ejector pin assembly, described ejector pin assembly comprises nail pushing plate and the connecting rod integrally formed with described nail pushing plate, described connecting rod rearward end is fixedly connected with rear ejector sleeve, is provided with accordingly simultaneously guiding rib and the guide groove structure that prevents the connecting rod rotation between the described connecting rod body of rod and front body.Described nail supporting base comprises hemispherical pedestal and the connecting rod integrally formed with described pedestal, described center-pole is fixedly connected with the connecting rod of nail supporting base, simultaneously is provided with lead rib or lead and guide groove structure between the connecting rod of nail supporting base and cylindrical shell or ejector sleeve.
In use, first be adjusted to the titanium staple height by the motor 10 that is fixed among power cavity 17, during adjusting, sliding shoe 16 is pushed into the sliding tray front end, thereby make the groove of the clutch 13 that is connected with motor 10 and groove 14 engagements of center-pole drive 5 rotations of rear center's bar, rear center's bar 5 and drive screw 9 female thread engagements, the precessional motion forward that the rotation of motor 10 is converted into rear center's bar then drives front center-pole and travels forward, and drives at last nail supporting base and moves forward.The feedback indicating arm 8 that is arranged on rear center's bar feeds back to the feedback panel 18 that is arranged on body, described feedback panel namely provides the distance feedback that whether suitable the feedback is provided again, specifically, be provided with scale and red area and green area on feedback panel, the titanium nail can not excite fully when the pointed red area, green area can excite fully, can make altitude mixture control more directly perceived, accurate by feedback panel.
When needing percussion, sliding shoe 16 is pushed into the sliding tray rear end, the clutch 13 that be connected with motor 10 this moment and the groove that is arranged on ejector sleeve 6 ends 15 engagements, thereby after driving, ejector sleeve 6 rotates, and rear ejector sleeve 6 and drive screw 9 external screw threads engagements are converted into precession forward to the rotation of rear ejector sleeve and then drive front ejector sleeve and move forward, front ejector sleeve drives at last the ejector pin assembly and travels forward, it first promotes endless knife 3 and travels forward and realize the tissue cutting, after promote again nail bin 2 and travel forward, and then realize that percussion sews up.Withdraw from process opposite with above-mentioned steps, specifically no longer describe.
The above is only preferred implementation of the present utility model; should be noted that; for those skilled in the art; under the prerequisite that does not break away from this utility model principle; can also make some improvements and modifications, these improvements and modifications also should be considered as protection domain of the present utility model.
Claims (8)
1. an electronic bent-up end anastomat, comprise osculating mechanism and drive actuator, and it is characterized in that, described driving actuator comprises rear end driving mechanism and front end actuator,
Described rear end driving mechanism comprises rear body, be arranged on rear body inside is driven the rear ejector sleeve of precession forwards, backwards and is arranged on pusher tube hub place and driven rear center's bar of precession forwards, backwards;
Described front end actuator comprises front body, be arranged on front body inside is driven the front ejector sleeve of precession forwards, backwards and is arranged on front ejector sleeve inside and driven the front center-pole of precession forwards, backwards, wherein, described front body, front ejector sleeve and front center-pole are made by flexible material, described front body is fixedly connected with rear body, but front center-pole and rear center's bar transmission link, but front ejector sleeve and rear ejector sleeve transmission link.
2. electronic bent-up end anastomat as claimed in claim 1, is characterized in that, described front body, front ejector sleeve and front center-pole are by plastic injection-moulded formation.
3. electronic bent-up end anastomat as claimed in claim 1, it is characterized in that, described osculating mechanism comprises nail supporting base and ejector pin assembly, described ejector pin assembly comprises nail pushing plate and the connecting rod integrally formed with described nail pushing plate, described connecting rod rearward end is fixedly connected with front ejector sleeve front end, described front ejector sleeve rearward end can be inserted rear ejector sleeve leading section matchingly, and described front ejector sleeve rearward end is formed with ring groove, the pin that runs through rear ejector sleeve can be in transmission connection rear ejector sleeve and front ejector sleeve, be provided with accordingly simultaneously guiding rib and the guide groove structure that prevents front ejector sleeve rotation between described front ejector sleeve and front body.
4. electronic bent-up end anastomat as claimed in claim 3, it is characterized in that, described front center-pole front end is fixedly connected with nail supporting base, rear center's bar front end is formed with the cavity that can allow the end insertion of described front center-pole, simultaneously be formed with ring groove in described front center-pole end, the pin that utilization runs through rear center's bar can be realized the transmission of rear center's bar and front center-pole, simultaneously, is provided with guiding rib or lead and guide groove structure between front center-pole and cylindrical shell or ejector sleeve.
5. electronic bent-up end anastomat as claimed in claim 1 or 2, it is characterized in that, described rear end driving mechanism also comprises and is fixedly installed on the inner rear end of rear body and inside and outside wall forms respectively threaded transmission screwed pipe, is fixedly installed on the motor of the power cavity inside that is 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 rod rear end and transmission screwed pipe female thread are connected with a joggle, and comprise that also can select a ground is passed to the output of described motor on the clutch of rear center's bar or rear ejector sleeve.
6. electronic bent-up end anastomat as claimed in claim 5, is characterized in that, described rear center rod rear end is formed with cavity body structure and is formed with groove on this cavity body structure inwall; Be formed with groove on the internal face of described rear ejector sleeve rear end; Described clutch comprises with motor output shaft stirs ring by what feather key connection for transmission axle and the driven power transmission shaft that is fixedly connected with described power transmission shaft moved forward and backward, described power transmission shaft front wall is formed with groove and the rear end is optical axis, wherein the groove of the groove of power transmission shaft front end and rear center's bar and rear ejector sleeve is complementary, and can be connected with a joggle to transmit respectively rotation with it.
7. electronic bent-up end anastomat as claimed in claim 6, it is characterized in that, be provided with toggle mechanism at described power cavity housing, described toggle mechanism comprise at least two sliding trays that are formed on symmetrically on the power cavity housing and can be embedded matchingly in sliding tray and can before and after the sliding shoe that moves of axis, described sliding shoe inner surface is formed with and the described bayonet socket of stirring the ring coupling, and described bayonet socket will be stirred ring and embeds wherein and can allow it to relatively rotate.
8. electronic bent-up end anastomat as claimed in claim 5, it is characterized in that, also be fixedly installed the feedback indicating arm on described rear center bar, correspondingly be formed with the opening that can allow described feedback indicating arm to move forward and backward on rear ejector sleeve, and be provided with the feedback panel that transparent material is made on rear body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220634056 CN202920273U (en) | 2012-11-26 | 2012-11-26 | Electric bent-end anastomat |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220634056 CN202920273U (en) | 2012-11-26 | 2012-11-26 | Electric bent-end anastomat |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202920273U true CN202920273U (en) | 2013-05-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220634056 Expired - Lifetime CN202920273U (en) | 2012-11-26 | 2012-11-26 | Electric bent-end anastomat |
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| CN (1) | CN202920273U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103829985B (en) * | 2012-11-26 | 2016-12-21 | 天津瑞贝精密机械技术研发有限公司 | Electronic bent-up end anastomat |
-
2012
- 2012-11-26 CN CN 201220634056 patent/CN202920273U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103829985B (en) * | 2012-11-26 | 2016-12-21 | 天津瑞贝精密机械技术研发有限公司 | Electronic bent-up end anastomat |
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| GR01 | Patent grant |