CN104257409B - Stapler - Google Patents
Stapler Download PDFInfo
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- CN104257409B CN104257409B CN201410528359.6A CN201410528359A CN104257409B CN 104257409 B CN104257409 B CN 104257409B CN 201410528359 A CN201410528359 A CN 201410528359A CN 104257409 B CN104257409 B CN 104257409B
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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
- A61B17/11—Surgical instruments, devices or methods, e.g. tourniquets for performing anastomosis; Buttons for anastomosis
- A61B17/1114—Surgical instruments, devices or methods, e.g. tourniquets for performing anastomosis; Buttons for anastomosis of the digestive tract, e.g. bowels or oesophagus
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- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Surgery (AREA)
- Molecular Biology (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Medical Informatics (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Physiology (AREA)
- Surgical Instruments (AREA)
- Portable Nailing Machines And Staplers (AREA)
Abstract
The invention discloses a kind of stapler, comprise outer sleeve, driving shaft, conversion sleeve, screw sleeve, screw rod, percussion actuating sleeve and trigger shaft. The outer wall of outer sleeve is provided with can be along the axially movable percussion toggle of outer sleeve, drives conversion sleeve translation selectively to realize and engaging with percussion actuating sleeve or screw sleeve when the motion of percussion toggle. The driving shaft of above-mentioned stapler rotarily drives conversion sleeve rotation, and conversion sleeve and screw sleeve be in engagement, the rotation of drive screw cover, and the screw sleeve drive screw rod of rotation does rectilinear motion realizes the open and close of stapler. After stapler is closed into a certain degree, percussion toggle is pushed the end of to toward handle portion one side, make conversion sleeve depart from and engage with screw sleeve, engage with percussion actuating sleeve. Driving shaft rotarily drives conversion sleeve and the rotation of percussion actuating sleeve, makes trigger shaft horizontal translation realize ejector pin, completes percussion process. Therefore, with respect to the electronic stapler of two transmission mechanisms of traditional employing, the simple easily operation of stapler form of the present invention.
Description
Technical field
The present invention relates to technical field of medical instruments, particularly relate to a kind of stapler.
Background technology
Medical stapler is a kind of Medical treatment device often using when alimentary canal physiological tissue is performed surgical operationTool, in general surgery treatment, stapler has often been used to the cutting closure function of tissue. StaplerBe manual operation or electric operating in the operating process of physiological tissue being implemented to " closed, identical, cutting ".Manual operation is the percussion that realizes the closed action between nail anvil head and nail bin and the tissue that coincide with pure mechanical systemAction, the huge percussion force of percussion process need just can complete the cutting closure of previous anastomotic, to wanting of userAsk high, once the not good of skill and dynamics grasp is easy to cause apparatus to pull the trigger the motionless half of maybe can only pulling the trigger,Can affect tissue closure effect and percussion force is not enough, cause cutting not exclusively closed, finally cause operative failure,Risk is high. Use electrically operated stapler to address the above problem, but traditional electrically operatedStapler adopts two drive motors and two transmission mechanisms, and complex forms is not easy to operate, at needs percussion kissWhile cutting, some staplers need to be pressed two buttons simultaneously, easily produce interlock or disturb.
Summary of the invention
Based on this, be necessary for the complex forms of the electronic stapler of two transmission mechanisms of traditional employing notEasy-operating problem, provides a kind of form simple and maneuverable stapler.
A kind of stapler, comprises
Outer sleeve;
Driving shaft, stretches into the inside of described outer sleeve, relatively rotates and coordinates with described outer sleeve;
Conversion sleeve, is positioned at described driving shaft and stretches into one end outside of described outer sleeve, nibbles with described driving shaftClose, rotated by described drive shaft, and energy relative sliding between described conversion sleeve and described driving shaft;
Screw sleeve, is positioned at a side of described conversion sleeve, can realize engaging or departing from described conversion sleeve and nibbleClose, and relatively rotate and coordinate with described driving shaft;
Screw rod, is positioned at the inside of described driving shaft, and is threaded with described screw sleeve, and described screw rod is subject to instituteState when screw sleeve drives and advance or retreat do translation;
Pull the trigger actuating sleeve, be positioned at the outside of described conversion sleeve, can realize and engaging with described conversion sleeve, by instituteState drive shaft rotation;
Trigger shaft, is positioned at the outside of described screw rod, drives translation by described percussion actuating sleeve;
Wherein, the outer wall of described outer sleeve is provided with and can dials along the axially movable percussion of described outer sleeveButton, when the motion of described percussion toggle, drive described conversion sleeve translation with selectively with described percussion actuating sleeve or instituteState screw sleeve and realize engagement.
Therein in an embodiment, described stapler also comprise be positioned at described conversion sleeve and described driving shaft itBetween the first elastic component, described the first elastic component is for conversion sleeve described in butt.
In an embodiment, described stapler also comprises percussion driving lever therein, and described percussion driving lever is positioned at instituteState between percussion toggle and described conversion sleeve, be fixedly connected with described percussion toggle, and with described conversion sleeve phaseTo being rotatably assorted, described percussion toggle drives described conversion sleeve translation by described percussion driving lever.
Therein in an embodiment, the outwardly formation boss in one end of described percussion driving lever, described coincideingDevice also comprises shift fork group and is positioned at the push rod in described screw rod outside, and one end of wherein said shift fork group along it radiallyBe provided with the groove running through, the other end is set to pin the hook portion of described boss, and described push rod is by described spiral shellBar drive translation, on described push rod arrange in order to observe the pointer of closed progress, described pointer outwardly inGroove in described shift fork group, arranges in order to show the form of described pointer, when described on described outer sleeveWhen push rod enters in described form towards one lateral movement of described driving shaft place and described pointer, described pointer promotesThe hook of described shift fork group is removed the locking to described boss.
Therein in an embodiment, described stapler only also comprises cover, sleeve and is located at described push rod and instituteState only the second elastic component between cover, described only cover is positioned at the outside of described screw rod, can with described screw sleeveRealize engagement;
Described sleeve is positioned at outside one end of described only cover and described screw sleeve, the two ends of described sleeve respectively withDescribed only cover and described conversion sleeve connect, and described sleeve can make described only cover keep separating with described screw sleeve;
When described push rod moves towards described driving shaft, promoting described stopping by described the second elastic component overlaps to described spiral shellThe lateral movement of bar cover.
In an embodiment, on the outer wall of described outer sleeve, be provided with vertically groove, described percussion thereinToggle inside is provided with liftable stop pin, and described stop pin has large neck and size is less than the little of large neckNeck, when described large neck and described groove fit, described percussion toggle can not move axially, described little neckWhen portion and described groove fit, described percussion toggle can move axially.
Therein in an embodiment, described stapler also comprises that the fine setting that is positioned at described outer sleeve outside revolvesButton, the inner setting of described vernier knob is positioned at first gear in described driving shaft outside and is positioned at described the first toothThe second gear between wheel and described vernier knob, described vernier knob can pass through described the first gear and instituteState driving shaft rotation described in the second gear drive.
In an embodiment, described outer sleeve comprises the first sleeve pipe and the second sleeve pipe, described first thereinSleeve pipe and described the second sleeve pipe are connected with a joggle;
Described trigger shaft comprises the first trigger shaft and the second trigger shaft, and one end of described the first trigger shaft is positioned at instituteThe outside, one end of stating percussion actuating sleeve, drives translation, one of described the second trigger shaft by described percussion actuating sleeveEnd is positioned at the other end inside of described the first trigger shaft, connects with described the first trigger shaft, and by described theOne trigger shaft drives translation;
On the end that described the second trigger shaft and described the first trigger shaft connect, be provided for hitting with described firstSend out the annular flange flange that bar connects;
Described stapler also comprises and is sleeved on described screw rod and described the second trigger shaft outside and is positioned at described firstThe 3rd elastic component between trigger shaft, described the second trigger shaft and described the second sleeve pipe, described the 3rd elastic componentFor the first trigger shaft and described the second trigger shaft described in butt.
Therein in an embodiment, the outwardly formation boss in one end of described trigger shaft, described outer coverOn the inwall of pipe, have the groove being slidably matched with described boss, described groove can limit described trigger shaft and revolveTurn, so that described trigger shaft is along the axially-movable of described outer sleeve.
In an embodiment, described stapler also comprises realizing nail bin and the nail anvil of osculating effect thereinHead, one end of described nail bin is fixedly connected with described outer sleeve.
When above-mentioned stapler closure is opened, driving shaft rotarily drives conversion sleeve rotation, conversion sleeve and screw sleeve placeIn engagement, thus the rotation of drive screw cover, and the screw sleeve of rotation drives screw rod to do rectilinear motion and realizes kissClose the open and close motion of device. After stapler is closed into a certain degree, will pull the trigger toggle toward handle portion oneSide pushes the end, makes conversion sleeve depart from and engage with screw sleeve, and conversion sleeve is realized and being engaged with percussion actuating sleeve. WhenDriving shaft continues when rotation, drives conversion sleeve and the rotation of percussion actuating sleeve, make trigger shaft carry out horizontal translation fromAnd realize ejector pin action, complete percussion process. Therefore, with respect to the electricity of two transmission mechanisms of traditional employingMoving stapler, stapler form of the present invention simply and easily operates.
Brief description of the drawings
Fig. 1 is the front view of stapler in the embodiment of the present invention;
Fig. 2 is the top view of stapler in the embodiment of the present invention;
Fig. 3 is the part drawing of stapler in the embodiment of the present invention;
Fig. 4 is the partial enlarged drawing of part in Fig. 3 in the embodiment of the present invention;
State diagram when Fig. 5 is the hook of shift fork group in the embodiment of the present invention and the boss locking of percussion driving lever;
Fig. 6 is the state diagram after the hook of shift fork group in the embodiment of the present invention unlocks with the boss of percussion driving lever;
Fig. 7 is the profile of stapler in the embodiment of the present invention.
Number in the figure and implication thereof are as follows:
00, stapler 110, handle portion 111, forward button 112, invert button
20, transmission mechanism 121, outer sleeve 121A, the first sleeve pipe 121B, the second sleeve pipe
22, form 123, vernier knob 124, percussion toggle 1241, stop pin
25, the first gear 126, the second gear 127, driving shaft 128, conversion sleeve
29, the first spring 1210, screw sleeve 1211, screw rod 1212, percussion actuating sleeve
213, shift fork group 1214, only overlap 1215, sleeve 1216, push rod
217, pointer 1218, the second spring 1219, the first trigger shaft 1220, the second trigger shaft
221, annular flange flange 1222, the 3rd spring 1223, percussion driving lever 1224, boss
225, hook 130, osculating portion 131, nail bin 131A, nail bin body
31B, nail pushing device 131C, cutting blade 131D, nail bin support 132, nail anvil head
Detailed description of the invention
For above-mentioned purpose of the present invention, feature and advantage can be become apparent more, below in conjunction with accompanying drawing pairThe specific embodiment of the present invention is described in detail. Set forth in the following description a lot of details withBe convenient to fully understand the present invention. But the present invention can come real to be a lot different from alternate manner described hereExecute, those skilled in the art can do similar improvement without prejudice to intension of the present invention in the situation that, therefore thisThe bright restriction that is not subject to following public specific embodiment.
It should be noted that, when element is called as " being fixed on " another element, it can be directly at anotherOn individual element or also can have an element placed in the middle. When an element is considered to " connection " another yuanPart, it can be directly connected to another element or may have centering elements simultaneously.
Unless otherwise defined, all technology and the scientific terminology using herein and belong to technology of the present inventionThe implication that the technical staff in field understands is conventionally identical. The art using in description of the present invention hereinLanguage, just in order to describe the object of specific embodiment, is not intended to be restriction the present invention. Use hereinTerm " and/or " comprise one or more relevant Listed Items arbitrarily with all combinations.
Because traditional electronic stapler adopts two transmission mechanisms, complex forms in closed and percussion processNot easy to operate, the object of this invention is to provide the simple and maneuverable stapler of a kind of form.
Stapler 100 in the embodiment of the present invention is electric drive stapler, its front view and top view respectively asShown in Fig. 1 and Fig. 2, stapler 100 comprises handle portion 110, transmission mechanism 120 and osculating portion 130. HandShank 110 and osculating portion 130 are connected to the two ends of transmission mechanism 120. Handle portion 110 is for repeatingThe sterilized electric handle using, inside arranges the fixing CD-ROM drive motor of level, and outer setting is used for controlling kissClose device 100 is closed and open forward button 111 and invert button 112.
Transmission mechanism 120 comprises outer sleeve 121, is located at form 122, Ke Yishi on outer sleeve 121The vernier knob 123 of now fine setting and percussion toggle 124. Outer sleeve 121 comprises the first sleeve pipe 121A andTwo sleeve pipe 121B. On the outer wall of the first sleeve pipe 121A, be provided with vertically groove. Establish percussion toggle 124 insideHave liftable stop pin 1241, stop pin 1241 has the little neck that large neck and size are less than large neck.In the closed and opening procedure of stapler, when groove fit on large neck and the first sleeve pipe 121A, pull the trigger toggle124 can not move axially.
The first sleeve pipe 121A is upper to be arranged in order to observe the form 122 of closed progress. Form 122 is used for observing kissClose the closed progress of device 100, only have by form 122 and determine that working as stapler 100 is closed into rational thicknessWhen in the district, and after pressing stop pin 1241, on the little neck of stop pin 1241 and the first sleeve pipe 121AGroove fit time, percussion toggle 124 could, in the state that can be struck, can move axially. Like thisCan prevent stapler 100 osculating and patient is caused to adverse consequences in the time that tissue squeezes improperly. According toDoctor's use preference, enter percussion state and coincide tissue before, doctor can use 123 of vernier knobsEstimate and experience the elasticity of tissue squeezing and suitably adjust according to torsion. It should be noted that the present inventionOne preferably the stapler of embodiment comprise vernier knob, object is to carry out the tissue to squeezing before osculatingAdjust, but not as limit, stapler of the present invention also can not comprise vernier knob.
Osculating portion 130 comprises nail bin 131 and nail anvil head 132. The outer cover of nail bin 131 and transmission mechanism 120Pipe 121 is fixedly connected with, and nail bin 131 can be realized and separating or closure with nail anvil head 132.
Stapler 100 operates while use and first nail bin 131 is separated with nail anvil head 132, nail anvil head 132Do pocket processing with intestinal tube, transmission mechanism 120 is through other end intestinal tube and do pocket processing. Connecting afterwards canReusable electric drive handle portion 110. Press and keep forward button 111 with closed nail anvil head 132 and nailStorehouse 131 is to indicating window Green Zone, and the tissue that is now arranged in 130 squeezings of osculating portion is thick in rational extrudingDegree. If pin forward button 111 always, in the time arriving maximum close thickness, transmission mechanism 120 can automatic spacingStop, when maximum close thickness, also titanium alloy nail becomes staple height state hour, presses locking simultaneouslyAfter pin 1241, percussion toggle 124 is just in the state that can be struck. Thick in rational extruding when organizingCan be by regulating vernier knob 123 to increase or being reduced to staple height while spending. After fine setting, will pull the trigger toggle124 toggle it to the end toward handle portion one side, are switched to percussion state. Continue to press forward button 111 and keep byState, realize the percussion of stapler 100 and cut off intestinal tube between nail bin 131 and nail anvil head 132Tissue. Then press and keep approximately two seconds of invert button 112 or feel to unclamp when motor starts stall reversionButton 112, returns the position before percussion by percussion toggle 124, presses invert button 112 or uses fine setting to revolveButton 123 suitably screws out and extracts from intestinal tube stapler 100 by screw rod.
In the embodiment of the present invention, as shown in Figure 3, the first sleeve pipe 121A is by two half-shells for the part drawing of staplerClosure forms, and the first sleeve pipe 121A and the second sleeve pipe 121B are connected with a joggle. One end of the second sleeve pipe 121BBe fixedly connected with nail bin 131. Driving shaft 127 is positioned at the inside of the first sleeve pipe 121A. Vernier knob 123 is establishedPut in the outside of the first sleeve pipe 121A, first gear 125 and two are set in the inside of vernier knob 123Individual the second gear 126. The first gear 125 is sleeved on the outside of driving shaft 127,126 points of two the second gearsNot between the first gear 125 and vernier knob 123. Rotate when vernier knob 123, can drive theTwo gears 126 rotate, thereby drive the first gear 125 to rotate, and reach the object that driving shaft 127 is rotated,Finally realize the fine setting of stapler.
Conversion sleeve 128 is positioned at driving shaft 127 and stretches into one end outside of the first sleeve pipe 121A, itself and driving shaft 127For key slot type coordinates, conversion sleeve 128 can drive rotation by driving shaft 127 like this, simultaneously conversion sleeve 128Relative drive shaft 127 can slide. The first spring 129 between conversion sleeve 128 and driving shaft 127,For butt conversion sleeve 128. Screw sleeve 1210 is positioned at a side of conversion sleeve 128, screw sleeve 1210 and drivingAfter axle 127 connects in conversion sleeve, in the closed or process opened of stapler, due to the first spring 129Effect, the side that conversion sleeve 128 is pushed to screw sleeve 1210 makes the two always in engagement. Screw rod 1211Be positioned at the inside of driving shaft 127, and be threaded with screw sleeve 128. Screw rod 1211 is subject to screw sleeve 1210When driving, advance do translation or retreat. After assembling screw rod 1211, the company of screw sleeve 1210 and driving shaft 127Connect and become latch-up structure, only have relative rotation, in rectilinear direction, cannot push aside, ensured reliable connection.
Percussion actuating sleeve 1212 is positioned at the outside of conversion sleeve 128, drives rotation by driving shaft 127. StaplerIn percussion process, percussion actuating sleeve 1212 can be realized and engaging with conversion sleeve 128.
It is upper that percussion toggle 124 is arranged on the first sleeve pipe 121A, and percussion toggle 124 inside are provided with and can enter outsideThe stop pin 1241 of sleeve pipe 121 inside. Percussion toggle 124 energy during along the moving axially of the first sleeve pipe 121AEnough percussion driving lever 1223 translations that drive between percussion toggle 124 and conversion sleeve 128, turn thereby driveChange cover 128 translations. Percussion driving lever 1223 the outwardly formation in one end can with the hook of shift fork group 1,213 1225The boss 1224 connecting, the position of boss 1224 on percussion driving lever 1223 is as the partial enlarged drawing of Fig. 4Shown in. One end of shift fork group 1213 is radially provided with along it groove running through, and the other end is set to pin protrudingThe hook portion 1225 of platform 1224, as shown in Figure 5. Stapler carries out before osculating action, percussion driving lever 1223Boss 1224 connects with the hook 1225 of shift fork group 1213.
Only overlap 1214 outsides that are positioned at screw rod 1211, can realize and engaging with screw sleeve 1210. Sleeve 1215Be positioned at and only overlap 1214 and one end outside of screw sleeve 1210, the two ends of sleeve 1215 respectively with only overlap 1214Connect with conversion sleeve 128.
Push rod 1216 is positioned at the outside of screw rod 1211, and in the time that stapler is closed, screw rod 1211 drives push rod 1216Toward handle portion one side translation. On push rod 1216, arrange in order to observe the pointer 1217 of closed progress, pointer 1217Outwardly groove in shift fork group 1213. Form in order to display pointer 1217 is set on outer sleeve122, in the time that pointer enters in form 122, it is right that the hook 1225 that pointer 1217 promotes shift fork group 1213 is removedThe locking of the boss 1224 of percussion driving lever 1223, the state after unlocking as shown in Figure 6. Work as shift forkThe hook 1225 of group 1213 departs from butt with percussion driving lever 1223, after stop pin 1241 being pressed simultaneously,Stir percussion toggle 124 and can make its translation on the first sleeve pipe 121A. Only overlap 1214 and push rod 1216Between be provided with the second spring 1218 that only overlaps 1214 for butt.
Trigger shaft comprises the first trigger shaft 1219 and the second trigger shaft 1220, the first trigger shafts 1219 and secondTrigger shaft 1220 is all positioned at the outside of screw rod 1211, drives translation by percussion actuating sleeve 1212. The first percussionOne end of bar 1219 is positioned at the outside, one end of percussion actuating sleeve 1212, drives translation by percussion actuating sleeve 1212.One end of the second trigger shaft 1220 is positioned at the other end inside of the first trigger shaft 1219, with the first trigger shaft 1219Connect, and drive translation by the first trigger shaft 1219. The second trigger shaft 1220 and the first trigger shaft 1219On the end connecting, be provided for the annular flange flange 1221 connecting with the first trigger shaft 1219. The second percussionThe 3rd spring 1222, the three springs 1222 are set for butt first between bar 1220 and the second sleeve pipe 121BTrigger shaft 1219 and the second trigger shaft 1220. The outwardly formation boss in one end of the first trigger shaft 1219,On the inwall of the first sleeve pipe 121A, have the groove being slidably matched with boss, groove is used for limiting the first trigger shaft1219 rotations, make its axially-movable along outer sleeve. The second trigger shaft 1220 is suitable with screw rod 1211Inside, one end be flat design, corresponding, one end that screw rod 1211 and the second trigger shaft 1220 are suitableOutside is similarly flat design, and flat design is in order to realize screw rod 1211 and the second trigger shaft 1220 can onlyAxially move, restricting rotation.
Nail bin 131 comprises nail bin body 131A, is positioned at the nail pushing device 131B of nail bin body 131A inside, cutsCutting blade 131C and nail bin support 131D. Nail bin 131 is fixedly connected with the second sleeve pipe 121B.
In addition, screw rod can be realized connection function by parts such as connector strip and closed draw axles, with nail anvil head 132Be connected, thereby realize the closure of stapler. Connector strip can be elastic coupling band, can be also otherCan realize the connector strip of connection function.
While work below in conjunction with the stapler of the embodiment of the present invention, the profile of transmission mechanism is described its work in detailMake principle, as shown in Figure 7.
First, connect electric drive handle portion and transmission mechanism to connect power input. Screw sleeve 1210 and drivingAxle 127 is after the interior connection of conversion sleeve 128, and due to the effect of the first spring 129, conversion sleeve 128 is pushed toOne side of screw sleeve 1210 makes the two always in engagement. After assembling screw rod, screw sleeve 1210 and drivingThe connection of moving axis 127 becomes latch-up structure, only has relative rotation, in rectilinear direction, cannot push aside, ensuresReliable connection.
Opening with closed principle of stapler is as follows:
Percussion toggle 124 is in the time of initial position, and conversion sleeve 128 engages with screw sleeve 1210. Driving shaft 127Rotation, drives conversion sleeve 128 to rotate, and then drives screw sleeve 1210 to rotate. The screw sleeve 1210 of rotationDriving screw rod 1211 to do rectilinear translation furthers or pulls open the distance between nail anvil head and nail bin.
When stapler is closed, screw rod 1211 does rectilinear translation to handle portion, after the segment distance of advancing, drives push rod1216 motions together, in the time that the pointer 1217 on push rod 1216 enters in form 122, shift fork group 1213Hook 1225 can be removed the locking of the boss 1224 to percussion driving lever 1223. Meanwhile, push rod 1216 is by theTwo springs 1218 will only overlap 1214 toward screw sleeve 1210 thrusters. Due to the existence of sleeve 1215, only overlap 1214Also do not engage with screw sleeve 1210, therefore the two can relatively rotate.
The fine setting principle of stapler is as follows:
Rotate vernier knob 123, due to the effect of the first gear and the second gear, can drive driving shaft 127Rotation, then drives conversion sleeve 128, screw sleeve 1210 and screw rod 1211 to rotate successively. The screw sleeve of rotation1210 drive screw rod 1211 to do rectilinear translation furthers or pulls open the distance between nail anvil head and nail bin.
The percussion principle of stapler is as follows:
In the time that the pointer on push rod 1216 enters in form 122, it is right that the hook 1225 of shift fork group 1213 can be removedThe locking of the boss 1224 on percussion driving lever 1223, presses stop pin 1241 subsequently, will pull the trigger toggle 124Push handle portion one side. Now, percussion toggle 124 drives 1223 translations of percussion driving lever, thereby drives conversionOverlap 128 translations, then sleeve 1215 is realized translation. Only overlapping 1214 realizes end face with screw sleeve 1210 and engages.Now, conversion sleeve 128 departs from and engages with screw sleeve 1210, and engages with percussion actuating sleeve 1212. PressAfter forward button in handle portion, driving shaft 127 rotarily drives conversion sleeve 128 and rotates, and then drives and hitsSending out actuating sleeve 1212 rotates. Because the 3rd spring 1222 guarantees to pull the trigger actuating sleeve 1212 and the first trigger shaft1219, the second trigger shaft 1220 is fitted, and therefore, 1212 rotations of percussion actuating sleeve can drive the first percussionBar 1219 and the second trigger shaft 1220 do rectilinear translation, and then the second trigger shaft 1220 can promote in nail binNail pushing device realize ejector pin process.
It should be noted that, the spring that the elastic component in the present embodiment is selected, but not as limit, also canFor rubber blanket etc., other can realize the element of elastic reaction.
The above embodiment has only expressed several embodiment of the present invention, and it describes comparatively concrete and detailed,But can not therefore be interpreted as the restriction to the scope of the claims of the present invention. It should be pointed out that for this areaThose of ordinary skill, without departing from the inventive concept of the premise, can also make some distortion andImprove, these all belong to protection scope of the present invention. Therefore, the protection domain of patent of the present invention should be with appendedClaim is as the criterion.
Claims (10)
1. a stapler, is characterized in that, comprises
Outer sleeve;
Driving shaft, stretches into the inside of described outer sleeve, relatively rotates and coordinates with described outer sleeve;
Conversion sleeve, is positioned at described driving shaft and stretches into one end outside of described outer sleeve, nibbles with described driving shaftClose, rotated by described drive shaft, and energy relative sliding between described conversion sleeve and described driving shaft;
Screw sleeve, is positioned at a side of described conversion sleeve, can realize engaging or departing from described conversion sleeve and nibbleClose, and relatively rotate and coordinate with described driving shaft;
Screw rod, is positioned at the inside of described driving shaft, and is threaded with described screw sleeve, and described screw rod is subject to instituteState when screw sleeve drives and advance or retreat do translation;
Pull the trigger actuating sleeve, be positioned at the outside of described conversion sleeve, can realize and engaging with described conversion sleeve, by instituteState drive shaft rotation;
Trigger shaft, is positioned at the outside of described screw rod, drives translation by described percussion actuating sleeve;
Wherein, the outer wall of described outer sleeve is provided with and can dials along the axially movable percussion of described outer sleeveButton, when the motion of described percussion toggle, drive described conversion sleeve translation with selectively with described percussion actuating sleeve or instituteState screw sleeve and realize engagement.
2. stapler according to claim 1, is characterized in that, described stapler also comprises and is positioned at instituteState the first elastic component between conversion sleeve and described driving shaft, described the first elastic component is changed for described in buttCover.
3. stapler according to claim 1, is characterized in that, described stapler also comprises percussion groupBar, described percussion driving lever, between described percussion toggle and described conversion sleeve, is fixed with described percussion toggleConnect, and relatively rotate and coordinate with described conversion sleeve, described percussion toggle drives institute by described percussion driving leverState conversion sleeve translation.
4. stapler according to claim 3, is characterized in that, one end of described percussion driving lever is outsideProtrude and form boss, described stapler also comprises shift fork group and is positioned at the push rod in described screw rod outside, Qi ZhongsuoOne end of stating shift fork group is radially provided with along it groove running through, and the other end is set to pin described bossHook portion, described push rod, by described screw drive translation, arranges in order to observe the finger of closed progress on described push rodPin, the outwardly groove in described shift fork group of described pointer, arranges on described outer sleeve in order to showThe form of described pointer, described in described push rod enters towards one lateral movement of described driving shaft place and described pointerIn form time, described pointer promotes the hook of described shift fork group and removes the locking to described boss.
5. stapler according to claim 4, is characterized in that, described stapler also comprise only cover,Sleeve and be located at described push rod and described only the second elastic component between cover, described only cover is positioned at described screw rodOutside, can realize and engaging with described screw sleeve;
Described sleeve is positioned at outside one end of described only cover and described screw sleeve, the two ends of described sleeve respectively withDescribed only cover and described conversion sleeve connect, and described sleeve can make described only cover keep separating with described screw sleeve;
When described push rod moves towards described driving shaft, promoting described stopping by described the second elastic component overlaps to described spiral shellThe lateral movement of bar cover.
6. according to the stapler described in claim 1 or 4, it is characterized in that the outer wall of described outer sleeveOn be provided with vertically groove, described percussion toggle inside is provided with liftable stop pin, described stop pin hasLarge neck and size are less than the little neck of large neck, when described large neck and described groove fit, and described percussionToggle can not move axially, and when described little neck and described groove fit, described percussion toggle can axially moveMoving.
7. stapler according to claim 1, is characterized in that, described stapler also comprises and is positioned at instituteState the vernier knob in outer sleeve outside, described vernier knob is inner to be arranged and is positioned at the of described driving shaft outsideOne gear and the second gear between described the first gear and described vernier knob, described vernier knob canTo rotate by driving shaft described in described the first gear and described the second gear drive.
8. stapler according to claim 1, is characterized in that, described outer sleeve comprises first setPipe and the second sleeve pipe, described the first sleeve pipe and described the second sleeve pipe are connected with a joggle;
Described trigger shaft comprises the first trigger shaft and the second trigger shaft, and one end of described the first trigger shaft is positioned at instituteThe outside, one end of stating percussion actuating sleeve, drives translation, one of described the second trigger shaft by described percussion actuating sleeveEnd is positioned at the other end inside of described the first trigger shaft, connects with described the first trigger shaft, and by described theOne trigger shaft drives translation;
On the end that described the second trigger shaft and described the first trigger shaft connect, be provided for hitting with described firstSend out the annular flange flange that bar connects;
Described stapler also comprises and is sleeved on described screw rod and described the second trigger shaft outside and is positioned at described firstThe 3rd elastic component between trigger shaft, described the second trigger shaft and described the second sleeve pipe, described the 3rd elastic componentFor the first trigger shaft and described the second trigger shaft described in butt.
9. stapler according to claim 1, is characterized in that, one end convex of described trigger shaftGo out to form boss, on the inwall of described outer sleeve, there is the groove being slidably matched with described boss, described recessedGroove can limit described trigger shaft rotation, so that described trigger shaft is along the axially-movable of described outer sleeve.
10. stapler according to claim 1, is characterized in that, described stapler also comprise in order toNail bin and the nail anvil head of realizing osculating effect, one end of described nail bin is fixedly connected with described outer sleeve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410528359.6A CN104257409B (en) | 2014-10-09 | 2014-10-09 | Stapler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410528359.6A CN104257409B (en) | 2014-10-09 | 2014-10-09 | Stapler |
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| CN104257409A CN104257409A (en) | 2015-01-07 |
| CN104257409B true CN104257409B (en) | 2016-05-25 |
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Families Citing this family (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105596046B (en) * | 2015-12-22 | 2018-05-08 | 苏州英途康医疗科技有限公司 | Stapler |
| CN105411641B (en) * | 2015-12-22 | 2018-07-06 | 苏州英途康医疗科技有限公司 | Stapler |
| CN105476678B (en) * | 2015-12-22 | 2018-11-09 | 苏州英途康医疗科技有限公司 | Linear incision stapler |
| CN105496486B (en) * | 2015-12-30 | 2018-10-30 | 山东大学齐鲁医院(青岛) | A kind of stapler with drive adjusting device |
| CN106264679B (en) * | 2016-07-19 | 2019-07-09 | 芜湖圣大医疗器械技术股份有限公司 | A kind of toggle switch device and Foreskin loop cutter |
| CN106333720B (en) * | 2016-10-14 | 2019-02-15 | 苏州英途康医疗科技有限公司 | Intelligent hysteroscope stapler |
| CN108042168B (en) * | 2017-12-21 | 2024-02-23 | 苏州英途康医疗科技有限公司 | Anastomat |
| CN108542456A (en) * | 2018-03-29 | 2018-09-18 | 盈甲医疗器械制造（上海）有限公司 | A kind of stapler with percussion linkage |
| CN112584780A (en) * | 2018-08-24 | 2021-03-30 | 柯惠有限合伙公司 | Electric circular nailing device |
| CN109077764A (en) * | 2018-09-11 | 2018-12-25 | 源胜泰（江苏）投资发展有限公司 | A kind of operative anastomat |
| CN113509233B (en) * | 2021-04-12 | 2022-08-26 | 苏州法兰克曼医疗器械有限公司 | Driving device anastomat used under endoscope |
| WO2023109819A1 (en) * | 2021-12-14 | 2023-06-22 | 天臣国际医疗科技股份有限公司 | Closing driving mechanism and medical anastomat |
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| CN103829985A (en) * | 2012-11-26 | 2014-06-04 | 天津瑞贝精密机械技术研发有限公司 | Electric bent-end type anastomat |
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| CN204218967U (en) * | 2014-10-09 | 2015-03-25 | 飞依诺科技(苏州)有限公司 | Anastomat |
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| CN104257409A (en) | 2015-01-07 |
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Effective date of registration: 20161229 Address after: 215000 Jiangsu Province, Suzhou City Industrial Park Jinji Lake Road No. 99 Suzhou city building 203 nano NW-12 Patentee after: SUZHOU YINGTUKANG MEDICAL TECHNOLOGY CO., LTD. Address before: Suzhou City, Jiangsu Province, Suzhou Industrial Park, 215123 Street No. 218 building C8 5F Patentee before: BioBAY Technology (Suzhou) Co., Ltd. |