CN202920271U - Electric linear anastomat - Google Patents
Electric linear anastomat Download PDFInfo
- Publication number
- CN202920271U CN202920271U CN 201220634145 CN201220634145U CN202920271U CN 202920271 U CN202920271 U CN 202920271U CN 201220634145 CN201220634145 CN 201220634145 CN 201220634145 U CN201220634145 U CN 201220634145U CN 202920271 U CN202920271 U CN 202920271U
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- ejector sleeve
- center
- pole
- groove
- electric linear
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Abstract
The utility model discloses an electric linear anastomat, which comprises an anastomosing and cutting mechanism and a driving and executing mechanism. The driving and executing mechanism comprises a pipe body, a pushing pipe which is arranged in the pipe body and can be driven to precess forwards and backwards, and a central rod which is arranged in the center of the pushing pipe and can be driven to precess forwards and backwards. The anastomosing and cutting mechanism comprises an L-shaped staple resisting seat which is connected with the central rod in a driving way and can move forwards and backwards only, and an L-shaped staple pushing assembly which is connected with the pushing pipe in a driving way and can move forwards and backwards only. The electric linear 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, the control is facilitated, the use effect is improved, the difference caused by manual triggering is avoided by using the motor for triggering, the visual feedback is provided by adding a feedback window, the success rate is improved and the surgical effect is improved.
Description
Technical field
This utility model relates to technical field of medical instruments, particularly relates to a kind of electric linear 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 surgical anastomat, 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, are unfavorable for the marketization, can not satisfy the needs of linear anastomat simultaneously.
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 electric linear anastomat easily is provided.
For realizing that the technical scheme that the purpose of this utility model adopts is:
A kind of electric linear anastomat, comprise osculating mechanism and drive actuator, described driving actuator comprises body, be arranged on can be driven the ejector sleeve of precession forwards, backwards within body and be arranged on the ejector sleeve center and driven the center-pole of precession forwards, backwards, described osculating mechanism comprises the L shaped nail supporting base that can be in transmission connection and can only move forward and backward with described center-pole, the L shaped ejector pin assembly that can be in transmission connection with described ejector sleeve and can only move forward and backward.
Described driving performing structure also comprises and is fixedly installed on the inner rear end of 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 the body afterbody, described ejector sleeve rear end and transmission screwed pipe external screw thread are connected with a joggle, described center-pole 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 center-pole or ejector sleeve.
Described center-pole 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 ejector sleeve rear end; Described clutch comprises with motor output shaft stirs ring by what the feather key power transmission shaft that is connected 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, and wherein the groove of the groove of power transmission shaft front end and center-pole and 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 center-pole, correspondingly be formed with the opening that can allow described feedback indicating arm to move forward and backward on ejector sleeve, and be provided with the feedback panel that transparent material is made on body.
Inwardly be formed with highlightedly many group brace tables on described inboard wall of tube body, described brace table runs through the through hole of ejector sleeve and contacts with center-pole with to its supporting and location.
Described ejector pin assembly comprises nail pushing plate and the connecting rod integrally formed with described nail pushing plate, described connecting rod rearward end can be inserted the ejector sleeve leading section matchingly, and described connecting rod rearward end is formed with ring groove, the pin that runs through ejector sleeve can be in transmission connection ejector sleeve and connecting rod, 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 body.
Described L shaped nail supporting base comprises to nail-plate and linking arm, described linking arm end is formed with vertical with it transmission arm, described transmission arm end is formed with contiguous block, be formed with the spiral groove that described contiguous block embedding can be contained in it on described center-pole, retaining ring contains linking arm and body in it, is provided with accordingly the guiding rib and the guide groove structure that prevent the linking arm rotation simultaneously between linking arm and body or retaining ring.
Compared with prior art, the beneficial effects of the utility model are:
Electric linear anastomat of the present utility model, simple and practical property is high, utilizes a motor can realize regulating and percussion, cuts 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, increase feedback window, visual feedback is provided, improves chance of success, improve surgical effect.
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 electric linear anastomat structural scheme of mechanism 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, electric linear anastomat of the present utility model comprises osculating mechanism and drives actuator, described driving actuator comprises body 20, be arranged on the ejector sleeve 6 that can be driven precession forwards, backwards within body 20 and be arranged on ejector sleeve 6 centers is driven the center-pole 5 of precession forwards, backwards, described osculating mechanism comprises the nail supporting base 1 that can be in transmission connection and can only move forward and backward with described center-pole, but with described ejector sleeve transmission link and the ejector pin assembly 2 that can only move forward and backward.
Wherein, for driving actuator, can adopt motorized motions mode arbitrarily, only need and ejector sleeve and center-pole can be driven the purpose that precession forward can realize this utility model.The below will be specifically described with most preferred embodiment of the present utility model.
Also comprise in the driving actuator described in most preferred embodiment of the present utility model and be fixedly installed on the inner rear end of body and inside and outside wall forms respectively threaded transmission screwed pipe 9, the motor that is fixedly installed on the body afterbody and battery and electric machine control system, wherein, described ejector sleeve 6 is arranged on body inside and rear end and transmission screwed pipe external screw thread and is connected with a joggle, described center-pole 5 is arranged on 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 center-pole or ejector sleeve.
Wherein, specifically, described body is fastened and connected by the body of two cross section semicirculars in shape and forms, and 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 the body center regularly with respect to body, specifically, described transmission screwed pipe 9 by a plurality of outer ends and body be fixedly connected with inner with the chimeric locating dowel supporting and location that is connected of transmission screwed pipe body at the body middle part, being provided with fluting in described 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 ejector sleeve with inboard wall of tube body, with transmission screwed pipe axial limiting and limit it and rotate, can effectively guarantee the transmission of center-pole and ejector sleeve.
Described center-pole 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 center-pole 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 Surveillance center's bar, also be fixedly installed feedback indicating arm 8 on described center-pole, correspondingly be formed with the opening that can allow described feedback indicating arm to move forward and backward on ejector sleeve, and be provided with the feedback panel 18 that transparent material is made on 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 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 ejector sleeve rear end, and be formed with groove 15 on the internal face of ladder platform, it is pointed out that the described ladder platform internal diameter identical and corresponding with the groove of center-pole 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 the 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 center-pole and 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 center-pole or 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, center-pole and 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 center-pole the groove engaged transmission or with the groove engaged transmission of 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 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 inboard wall of tube body, described brace table runs through the through hole of ejector sleeve and contacts with center-pole, to its supporting and location to improve its stability.
described osculating mechanism 4 comprises nail supporting base 1, nail bin 2 and linear cutter 3 and ejector pin assembly, described ejector pin assembly comprises can promote nail pushing plate 41 that nail bin 2 and cutter 3 advance forward and connecting rod or the connecting cylinder 42 integrally formed with described nail pushing plate, described connecting rod or connecting cylinder 42 rearward end can be inserted ejector sleeve 6 leading sections matchingly, and be formed with ring groove on described connecting rod or connecting cylinder rearward end outside wall surface, the pin that runs through ejector sleeve can be in transmission connection ejector sleeve and connecting rod or connecting cylinder, be provided with accordingly simultaneously guiding rib and the guide groove structure that prevents the connecting rod rotation between described connecting rod or connecting cylinder lateral wall and body.Namely utilize ring groove and pin to realize transmission, can realize that in conjunction with the guiding of guiding rib groove ejector sleeve drives the ejector pin assembly and moves forward and backward.
Described nail supporting base comprises to nail-plate 11 and linking arm 12, described linking arm 12 ends are formed with vertical with it transmission arm 13, described transmission arm end is formed with contiguous block, be formed with the spiral groove that described contiguous block embedding can be contained in it on described center-pole, namely transmission arm runs through the through hole that is formed on body and ejector sleeve and the contiguous block of end is embedded in groove on the center-pole body of rod.For improving coordinating of contiguous block and groove, can adopt the T-slot structure, energy effective means contiguous block takes off groove affects transmission.
Further, for nail supporting base is kept relative with body fixing, most preferred embodiment of the present utility model utilizes retaining ring 43 that linking arm 12 and body 20 are included in together, described retaining ring is two semi-circulars that are fixedly connected with, it is in the same place linking arm and body relative limit, simultaneously, for the guiding nail supporting base moves forward and backward, be provided with accordingly the guiding rib and the guide groove structure that prevent the linking arm rotation between linking arm and body or retaining ring.That is, utilize the slip of contiguous block in spiral groove to realize transmission, and utilize the guiding of guiding rib groove can realize and to drive before and after nail supporting base.
In use, first be adjusted to the titanium staple height by the motor 10 that is fixed among power cavity 17, pull sliding shoe 16 to sliding tray anterior during adjusting, thereby make the groove of the clutch 13 that is connected with motor 10 and groove 14 engagements of center-pole drive center-pole 5 rotations, center-pole 5 and drive screw 9 female thread engagements, the rotation of motor 10 is converted into the precessional motion forward of center-pole, the precessional motion forward of center-pole makes contiguous block slide in helicla flute, then realizes moving forward of nail supporting base.The feedback indicating arm 8 that is arranged on simultaneously on center-pole 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, pull to the sliding tray rear portion transferring sliding shoe 16, 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 driving ejector sleeve 6 rotates, ejector sleeve 6 and drive screw 9 external screw thread engagements, the rotation of ejector sleeve is converted into precession forward, and the precession forward of ejector sleeve can drive the ejector pin assembly in conjunction with guiding rib groove and move forward.Nail pushing plate travels forward and first promotes cutter 3 and travel 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.
It is pointed out that adjustable range and percussion distance are all relative little, only have several millimeters, offer larger hole and can allow described brace table and spacing preiection to wear many and not affect between the two relative motion on ejector sleeve.The width that suitably increases simultaneously each groove can avoid transmission to disconnect.
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. electric linear anastomat, comprise osculating mechanism and drive actuator, it is characterized in that, described driving actuator comprises body, be arranged on can be driven the ejector sleeve of precession forwards, backwards within body and be arranged on the ejector sleeve center and driven the center-pole of precession forwards, backwards, described osculating mechanism comprises the L shaped nail supporting base that can be in transmission connection and can only move forward and backward with described center-pole, the L shaped ejector pin assembly that can be in transmission connection with described ejector sleeve and can only move forward and backward.
2. electric linear anastomat as claimed in claim 1, it is characterized in that, described driving performing structure also comprises and is fixedly installed on the inner rear end of 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 the body afterbody, described ejector sleeve rear end and transmission screwed pipe external screw thread are connected with a joggle, described center-pole 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 center-pole or ejector sleeve.
3. electric linear anastomat as claimed in claim 2, is characterized in that, described center-pole 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 ejector sleeve rear end; Described clutch comprises with motor output shaft stirs ring by what the feather key power transmission shaft that is connected 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, and wherein the groove of the groove of power transmission shaft front end and center-pole and ejector sleeve is complementary and can be connected with a joggle to transmit respectively rotation with it.
4. electric linear anastomat as claimed in claim 1, 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.
5. electric linear anastomat as described in claim 1-4 any one, it is characterized in that, also be fixedly installed the feedback indicating arm on described center-pole, correspondingly be formed with the opening that can allow described feedback indicating arm to move forward and backward on ejector sleeve, and be provided with the feedback panel that transparent material is made on body.
6. electric linear anastomat as claimed in claim 5, is characterized in that, inwardly is formed with highlightedly many group brace tables on described inboard wall of tube body, and described brace table runs through the through hole of ejector sleeve and contacts with center-pole with to its supporting and location.
7. electric linear anastomat as claimed in claim 1, it is characterized in that, described ejector pin assembly comprises nail pushing plate and the connecting rod integrally formed with described nail pushing plate, described connecting rod rearward end can be inserted the ejector sleeve leading section matchingly, and described connecting rod rearward end is formed with ring groove, the pin that runs through ejector sleeve can be in transmission connection ejector sleeve and connecting rod, 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 body.
8. electric linear anastomat as claimed in claim 7, it is characterized in that, described L shaped nail supporting base comprises to nail-plate and linking arm, described linking arm end is formed with vertical with it transmission arm, described transmission arm end is formed with contiguous block, be formed with the spiral groove that described contiguous block embedding can be contained in it on described center-pole, retaining ring contains linking arm and body in it, is provided with accordingly the guiding rib and the guide groove structure that prevent the linking arm rotation simultaneously between linking arm and body or retaining ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220634145 CN202920271U (en) | 2012-11-26 | 2012-11-26 | Electric linear anastomat |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220634145 CN202920271U (en) | 2012-11-26 | 2012-11-26 | Electric linear anastomat |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202920271U true CN202920271U (en) | 2013-05-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220634145 Expired - Lifetime CN202920271U (en) | 2012-11-26 | 2012-11-26 | Electric linear anastomat |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202920271U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110840501A (en) * | 2019-12-03 | 2020-02-28 | 江苏风和医疗器材股份有限公司 | Trigger device for surgical instrument and surgical instrument |
-
2012
- 2012-11-26 CN CN 201220634145 patent/CN202920271U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110840501A (en) * | 2019-12-03 | 2020-02-28 | 江苏风和医疗器材股份有限公司 | Trigger device for surgical instrument and surgical instrument |
| CN110840501B (en) * | 2019-12-03 | 2022-04-08 | 江苏风和医疗器材股份有限公司 | Trigger device for surgical instrument and surgical instrument |
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