CN103622727A - Electric intelligent surgical anastomat - Google Patents
Electric intelligent surgical anastomat Download PDFInfo
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- CN103622727A CN103622727A CN201310255985.8A CN201310255985A CN103622727A CN 103622727 A CN103622727 A CN 103622727A CN 201310255985 A CN201310255985 A CN 201310255985A CN 103622727 A CN103622727 A CN 103622727A
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- supporting base
- push rod
- nail supporting
- electric intelligent
- nail
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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
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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
- A61B90/00—Instruments, implements or accessories specially adapted for surgery or diagnosis and not covered by any of the groups A61B1/00 - A61B50/00, e.g. for luxation treatment or for protecting wound edges
- A61B90/90—Identification means for patients or instruments, e.g. tags
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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
- A61B2017/00367—Details of actuation of instruments, e.g. relations between pushing buttons, or the like, and activation of the tool, working tip, or the like
- A61B2017/00398—Details of actuation of instruments, e.g. relations between pushing buttons, or the like, and activation of the tool, working tip, or the like using powered actuators, e.g. stepper motors, solenoids
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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
- A61B2017/00681—Aspects not otherwise provided for
- A61B2017/00734—Aspects not otherwise provided for battery operated
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- Health & Medical Sciences (AREA)
- Surgery (AREA)
- Life Sciences & Earth Sciences (AREA)
- Heart & Thoracic Surgery (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Medical Informatics (AREA)
- Molecular Biology (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Pathology (AREA)
- Oral & Maxillofacial Surgery (AREA)
- Surgical Instruments (AREA)
Abstract
An electric intelligent surgical anastomat comprises an electric intelligent drive component and a replaceable suture execution component, the electric intelligent drive component is arranged in a gun type outer shell, a power supply switch, a nail abutting seat opening switch and a nail abutting seat closing switch are arranged on the outer shell, and a master control circuit board, a gearbox, a nail abutting seat opening/closing motor and a percussion motor are arranged in the outer shell. Surgical suturing instruments and other products of the same series are automatically and intelligently controlled, compared with the existing mechanical surgical suturing instruments, the electric intelligent surgical anastomat is more convenient to operate, doctors can operate the anastomat and complete operations without learning, precise control of tissue pressure and suture nail forming is adopted, bleeding and leakage due to the fact that the mechanical surgical suturing instruments are used improperly are effectively prevented from happening to an anastomotic stoma, and the operational quality of the mechanical surgical suturing instruments is improved. Operation quality and safety is improved, and the operation of users is more convenient.
Description
Technical field
The present invention relates to medical instruments field, be specially the electric intelligent anastomat that a kind of surgery is used.
Background technology
Medical surgical anastomat is that the fields such as breast, abdomen, anorectal are used for carrying out operation on digestive tract and the conventional surgical operating instrument of pulmonary surgery.Surgical stapling operation to the requirement of anastomotic stoma be not hemorrhage, do not leak, can ensure that the blood of anastomotic stoma and remote organization supplies simultaneously.Anastomat is placed on tissue between nail bin and nail supporting base, by the distance of adjusting between nail bin and nail supporting base, tissue is compressed, when reaching the safety range of effective stitching, the distance between nail bin and nail supporting base pulls the trigger, U-shaped staple is compressed into B shape tissue is sewed up, little blood vessel can supply through the blood that ensures anastomotic stoma and remote organization in the space of B shape staple.
The nail bin of these now known Mechanical anastomosis equipments and the distance between nail supporting base are to indicate by a slide scale of anastomat inside.When scale enters to pull the trigger, in scope, just can open safety and allow percussion, these are all manual operations, individuation difference due to human body, the thickness of tissue is different, and this just requires user in the compression degree and the staple molding situation that there is no to judge by feel and experience under visual condition tissue.The tissue compression that this operation causes has three kinds of situations: insufficient compression (causing Anastomotic bleeding and leakage); The compression of appropriateness (compression stress and the compression time of appropriateness are discharged from in-house liquid, the identical condition of best tissue); Excessive compression (causing tissue injury).In like manner, the shaping of staple also there will be three kinds of states: be shaped inadequate, appropriate shaping, excessively shaping, these are all the reasons that causes operative failure.And Mechanical anastomosis equipment does not provide any method and apparatus of organizing compression stress of can controlling, and lack the device that carries out accurate control in operation process, therefore this frame for movement mode may reduce operation quality or cause operative failure.Mechanical anastomosis equipment does not have status information feedback accurately in addition, user completely by virtue of experience relies on feel to use apparatus, operating process cannot carried out under visual situation, this also easily causes user to be judged by accident, Mechanical anastomosis equipment also cannot provide stitching object information, after causing operation, user is not all known final result of use, is difficult to form rational experience accumulation.
Summary of the invention
The electric intelligent anastomat that provides a kind of surgery to use is provided technical problem solved by the invention, to solve the problem proposing in above-mentioned background technology.
Technical problem solved by the invention realizes by the following technical solutions:
The electric intelligent anastomat that a kind of surgery is used, comprise electric intelligent driven unit and removable stitching executive module, described electric intelligent driven unit is arranged in rifle formula shell, shell is provided with on and off switch, nail supporting base is opened switch and nail supporting base Closing Switch, in shell, be provided with main control board, gear-box, nail supporting base opened/closed motor and percussion motor, described main control board is same on and off switch respectively, nail supporting base is opened switch, nail supporting base Closing Switch, nail supporting base opened/closed motor and percussion motor are connected, described main control board is also connected with power supply and display device, nail supporting base opening/closing motor, output shaft and the gear-box of percussion motor are connected and installed, gear-box is provided with the first push rod and the second push rod, in shell, far-end is provided with ID identification module, fast interface and nail supporting base push rod fast interface, described ID identification module is connected with main control board, the near-end of removable stitching executive module is provided with ID and indicates module, snap joint and the snap joint of nail supporting base push rod, when electric intelligent driven unit is connected with removable stitching executive module, ID identification module indicates module with ID and is connected, snap joint is connected with fast interface, and the snap joint of nail supporting base push rod is connected with nail supporting base push rod fast interface and the rectilinear motion of the first push rod is delivered on nail supporting base push rod, realize opening and closing of nail supporting base, between snap joint and the snap joint of nail supporting base push rod, be provided with staple/cutter push rod, staple/cutter push rod is provided with the spring that is arranged on snap joint inside, the second push rod when far-end moves, promotes staple/cutter push rod and pressuring spring contraction has been moved the percussion stitching of staple and cut and organized to far-end, when the second push rod moves to near-end, spring discharges staple/cutter push rod is back into initial proximal location, on described main control board, be also connected with data storage device, described data storage device is connected with computer by data wire or wireless communication module.
Further, described removable stitching executive module comprises circular anastomosis head, straight line stitching instrument head, the identical head of anorectal, arc cutting and stitching head and the identical head of right angle wedge shape.
Further, described power supply and display device are arranged on rifle formula shell, and described power supply is arranged on rifle formula shell handle bottom, adopt the power supply of 16V lithium polymer battery.
Further, described main control board is connected with the power supply outside rifle formula shell by cable, and described power supply is arranged in display device.
Further, described the first push rod is the leading screw that runs through gear-box, the first push rod near-end is provided with in the gathering sill on the first feather key embedding shell and provides constraints and cause the first push rod to do rectilinear motion, far-end is connected with nail supporting base push rod fast interface by steady pin, described the second push rod near-end is connected with the gear in gear-box by screw thread, and far-end is provided with in the gathering sill that the second feather key embeds gear-box outside and provides constraints and cause the second push rod to do rectilinear motion.
Further, described ID identification module is provided with elastic metal contacts, and it is hard contact that described ID indicates module.
Further, snap joint and the snap joint of nail supporting base push rod are key pin, and fast interface and nail supporting base push rod fast interface are keyway, and key pin inserts keyway and half-twist completes connection.
Further, the first encoder and the second encoder are installed on described gear-box, the first encoder provides distance and position signalling for nail supporting base opening/closing motor, and the second encoder provides distance and position signalling for percussion motor.
Further, the moment of torsion producing when the nail supporting base opening/closing motor in electric intelligent driven unit rotates, through gear-box deceleration rear drive the first push rod displacement, nail supporting base push rod is when the nail bin to near-end moves, nail supporting base is closed to nail bin, is clipped in their middle tissues and is oppressed, and produces tissue compression power, Range-based between between rotating speed, electric current, voltage, gearing factor and the nail supporting base of described tissue compression power and motor and nail bin, the variation of tissue compression power is directly proportional to electric current.
In the present invention, press nail supporting base and open switch, nail supporting base opening/closing motor is started working, and presses nail supporting base Closing Switch, and nail supporting base opening/closing motor quits work; Pin nail supporting base simultaneously and open switch, nail supporting base Closing Switch, percussion motor is started working.If having surpassed tolerance, the tissue compression power that tissue affords will there is tissue injury, this may cause anastomotic stoma tissue necrosis, if instead organize and be not subject to enough tissue compression power, in-house liquid can not be discharged from, also may cause Anastomotic bleeding or leakage, therefore reasonably tissue compression power has important meaning clinically.
Beneficial effect:
The present invention has realized the automatic intelligent of surgical stapling device series of products and has controlled, than existing mechanical surgical stapling device, operate easier, doctor does not need study can operate operation, adopt the accurate control of organizational stress and staple molding, effectively solve anastomotic stoma because of the hemorrhage and leakage that mechanical surgical stapling device improper use causes, improved the operation quality of mechanical stitch device.Improve operation quality and safety, make the operation of user easier.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention;
Fig. 2 is the outside drawing of electric intelligent driven unit of the present invention;
Fig. 3 is the cut-away view of electric intelligent driven unit of the present invention;
Fig. 4～Fig. 7 is the quick connection diagram that the present invention sews up executive module and electric intelligent driven unit;
Fig. 8 is the gear box structure schematic diagram of electric intelligent driven unit of the present invention;
Fig. 9 is tissue compression power and staple control logic schematic diagram.
The specific embodiment
In order to make of the present inventionly to realize technological means, creation characteristic, reach object and effect is easy to understand, below in conjunction with concrete diagram, further set forth the present invention.
As shown in Fig. 1～8, the electric intelligent anastomat that a kind of surgery is used, comprise electric intelligent driven unit 20 and removable stitching executive module 10, described electric intelligent driven unit 20 is arranged in rifle formula shell, shell is provided with on and off switch, nail supporting base is opened switch 201 and nail supporting base Closing Switch 202, in shell, be provided with main control board 400, gear-box 70, nail supporting base opened/closed motor 50 and percussion motor 60, described main control board 400 is same on and off switch respectively, nail supporting base is opened switch 201, nail supporting base Closing Switch 202, nail supporting base opened/closed motor 50 and percussion motor 60 are connected, described main control board 400 is also connected with power supply and display device, nail supporting base opening/closing motor 50, output shaft and the gear-box 70 of percussion motor 60 are connected and installed, gear-box 70 is provided with the first push rod 204 and the second push rod 207, in shell, far-end is provided with ID identification module 209, fast interface 300 and nail supporting base push rod fast interface 303, described ID identification module 209 is connected with main control board 400, the near-end of removable stitching executive module 10 is provided with ID and indicates module 302, snap joint 301 and nail supporting base push rod snap joint 304, when electric intelligent driven unit 20 is connected with removable stitching executive module 10, ID identification module 209 indicates module 302 with ID and is connected, snap joint 301 is connected with fast interface 300, and nail supporting base push rod snap joint 304 is connected with nail supporting base push rod fast interface 303 and the rectilinear motion of the first push rod 204 is delivered on nail supporting base push rod, realize opening and closing of nail supporting base, between snap joint 301 and nail supporting base push rod snap joint 304, be provided with staple/cutter push rod 305, staple/cutter push rod 305 is provided with the spring that is arranged on snap joint 304 inside, the second push rod 207 when far-end moves, promotes staple/cutter push rod 305 and pressuring spring contraction has been moved the percussion stitching of staple and cut and organized to far-end, when the second push rod 207 moves to near-end, spring discharges staple/cutter push rod 305 is back into initial proximal location, on described main control board 400, be also connected with data storage device, described data storage device is connected with computer by data wire or wireless communication module.Described removable stitching executive module 10 is circular anastomosis head, and described power supply 500 and display device are arranged on rifle formula shell, and described power supply is arranged on rifle formula shell handle bottom, adopts the power supply of 16V lithium polymer battery.
Described the first push rod 204 is for running through the leading screw of gear-box, the first push rod 204 near-ends are provided with in the gathering sill on the first feather key 205 embedding shells and provide constraints and cause the first push rod 204 to do rectilinear motion, far-end is connected with nail supporting base push rod fast interface 304 by steady pin, described the second push rod 207 near-ends are connected with the gear in gear-box 70 by screw thread, and far-end is provided with in the gathering sill 208 that the second feather key embeds gear-box 70 outsides and provides constraints and cause the second push rod 207 to do rectilinear motion.
Described ID identification module 209 is provided with elastic metal contacts, it is hard contact that described ID indicates module 302, ID indicates the hard contact of module 302 and the resilient contact of ID identification module 209 contacts formation electric loop, ID identification circuit on main control board 400 judges identification to the removable stitching executive module 10 of installing, thereby carries out the control sequence corresponding with ID; The ID identification that the present invention adopts is to use the resistance of different resistances to indicate different ID, by resistance measuring circuit, identifies, and the needed cost of this implementation method is minimum.But the present invention is not limited to ID recognition methods, can also be by using the methods such as wireless RF ID technology, Bluetooth transmission technology, point to point network technology, infrared ray IR transmission technology or encryption chip to carry out ID identification.
Snap joint 301 and nail supporting base push rod snap joint 304 are key pin, and fast interface 300 and nail supporting base push rod fast interface 303 are keyway, and key pin inserts keyway and half-twist completes connection.
The first encoder 210 and the second encoder 211, the first encoders 210 are installed on described gear-box and provide distance and position signalling for nail supporting base opening/closing motor 50, the second encoder 211 provides distance and position signalling for percussion motor 60.Main control board 400 is often received a coded pulse, and the displacement of the first push rod 204, the second push rod 207 is 0.01mm; The present invention can initialize when each energising or reset, the position of the first push rod 204, the second push rod 207 is reset to original state, and the first encoder 210 and the second encoder 211 are reverted to zero-bit.Encoder and motor form the distant-control system of a closed loop, can control accurately the displacement of nail supporting base, no matter be tissue thickness's difference or the tissue thickness of the different operative sites difference causing because of individual variation, can in this way the molding of staple " B " word be controlled to best height.
Percussion motor is carried out stitching and the cutting of tissue through gear-box 70 deceleration rear drive the second push rods 207, staple/cutter push rod 305, these work are by programme-control, comprise debugging mode and use pattern, debugging mode allows when the examination and test of products not organizing driving percussion motor 60 work in compressed situation, so that whether testing product is qualified.After dispatching from the factory, be set to use pattern, use pattern only under a kind of condition, had both been organized compressed and had just allowed to pull the trigger motor 60 work while reaching optimal compression power.
The moment of torsion that nail supporting base opening/closing motor 50 in electric intelligent driven unit 20 produces while rotating, through gear-box 70 deceleration rear drive the first push rod 204 displacements, nail supporting base push rod is when the nail bin to near-end moves, nail supporting base is closed to nail bin, being clipped in their middle tissues is oppressed, produce tissue compression power, the Range-based between between rotating speed, electric current, voltage, gearing factor and the nail supporting base of described tissue compression power and motor and nail bin, the variation of tissue compression power is directly proportional to electric current.As shown in Figure 9, the reasonable compression stress that in the present invention, tissue bears is embodied by a current value, the effective forming height of staple is a scope (if the staple forming height of 5.55mm is 1.5mm～2.5mm), thus the spacing of nail supporting base and nail bin must be within the scope of this molding effective suture tissue.Distance when nail supporting base is opened between it and nail bin is 600mm, is touching empty load of motor operation before tissue, and nail supporting base is closed with the speed of 10mm/ second; When the spacing of nail supporting base and nail bin reaches default distance value 2.5mm, adjust electric moter voltage and make motor slow running, speed with 1mm/ second is compressed tissue, whether the electric current that compression control cycles through sensor detection current location reaches the current value that default reflection the best is organized compression stress, and the work of drive motors.If do not organize oppressed between nail supporting base and nail bin, when detection current value is less than electric current preset value, nail supporting base is closed, nail supporting base opening/closing motor 50 all the time can be with unloaded state operation, compression control circulation can detect thisly not to be had organized state and does not start 60 percussions of percussion motor, avoids occurring maloperation.While equaling predetermined current value, in percussion process, staple/cutter push rod 305 is at the uniform velocity pushed ahead, and pull the trigger needed range, in program, preset (for example 6mm), the positional information that the second encoder 210 Real-time Feedbacks advance, during the default travel parameters value of arrival program, pulled the trigger, in order to eliminate the stress of titanium alloy staple, on the position of this range, keep 15 seconds, then pull the trigger motor 60 reversions, drive the second push rod 207 to return to the initial position before near-end percussion, staple/cutter push rod 305 is followed the second push rod 207 and is return together under the effect of spring, percussion EP (end of program).
With the present invention, doing gastrointestinal tract coincide, select diameter 25mm, staple height is that the circular anastomosis head stitching executive module 10 of 5.5mm is connected by snap joint with electric intelligent driven unit 20, ID identification module 209 is confirmed as circular anastomosis head by performing a programme and is sewed up executive module, perforator is stretched out and takes off nail supporting base, and nail supporting base is inserted to remote organization and accomplished fluently pocket, perforator is retracted to nail bin, nail bin is inserted to the proximal tissue of accomplishing fluently pocket and again stretch out perforator, nail supporting base is connected with perforator, at this moment organize and be placed between nail supporting base and nail bin, retraction perforator, when the distance between nail supporting base and nail bin reaches 2.5mm, tissue compression power not yet reaches optimum range value and continues the perforator of retracting, while reaching best tissue compression power value range, stop, staple percussion sequence starting.If tissue compression power has surpassed optimum range value and does not allow pull the trigger and sound a warning when the distance between nail supporting base and nail bin is greater than 2.5mm, effective stitching that 5.5mm staple is allowed to is highly 1.5mm～2.5mm, the tissue compression power optimum range value producing within the scope of this is considered as effectively, otherwise invalid and send warning prompting user and change the removable stitching executive module of other model or tissue is done again and processed.Staple forming height and tissue compression power are linear, and more cell compression stress is larger for staple forming height, and in order to realize the accurate control of this linear relationship, the minimum travel distance that nail supporting base is retracted is 0.01mm.
More than show and described ultimate principle of the present invention and principal character and advantage of the present invention.The technical staff of the industry should understand; the present invention is not restricted to the described embodiments; that in above-described embodiment and description, describes just illustrates principle of the present invention; without departing from the spirit and scope of the present invention; the present invention also has various changes and modifications, and these changes and improvements all fall in the claimed scope of the invention.Claimed scope of the present invention is defined by appending claims and equivalent thereof.
Claims (9)
1. the electric intelligent anastomat that surgery is used, comprise electric intelligent driven unit and removable stitching executive module, it is characterized in that: described electric intelligent driven unit is arranged in rifle formula shell, shell is provided with on and off switch, nail supporting base is opened switch and nail supporting base Closing Switch, in shell, be provided with main control board, gear-box, nail supporting base opened/closed motor and percussion motor, described main control board is same on and off switch respectively, nail supporting base is opened switch, nail supporting base Closing Switch, nail supporting base opened/closed motor and percussion motor are connected, described main control board is also connected with power supply and display device, nail supporting base opening/closing motor, output shaft and the gear-box of percussion motor are connected and installed, gear-box is provided with the first push rod and the second push rod, in shell, far-end is provided with ID identification module, fast interface and nail supporting base push rod fast interface, described ID identification module is connected with main control board, the near-end of removable stitching executive module is provided with ID and indicates module, snap joint and the snap joint of nail supporting base push rod, when electric intelligent driven unit is connected with removable stitching executive module, ID identification module indicates module with ID and is connected, and snap joint is connected with fast interface, and the snap joint of nail supporting base push rod is connected with nail supporting base push rod fast interface, between snap joint and the snap joint of nail supporting base push rod, be provided with staple/cutter push rod, staple/cutter push rod is provided with the spring that is arranged on snap joint inside, on described main control board, be also connected with data storage device, described data storage device is connected with computer by data wire or wireless communication module.
2. the electric intelligent anastomat that a kind of surgery according to claim 1 is used, is characterized in that: described removable stitching executive module comprises circular anastomosis head, straight line stitching instrument head, the identical head of anorectal, arc cutting and stitching head and the identical head of right angle wedge shape.
3. the electric intelligent anastomat that a kind of surgery according to claim 1 is used, is characterized in that: described power supply and display device are arranged on rifle formula shell, and described power supply is arranged on rifle formula shell handle bottom, adopts the power supply of 16V lithium polymer battery.
4. the electric intelligent anastomat that a kind of surgery according to claim 1 is used, is characterized in that: described main control board is connected with the power supply outside rifle formula shell by cable, and described power supply is arranged in display device.
5. the electric intelligent anastomat that a kind of surgery according to claim 1 is used, it is characterized in that: described the first push rod is the leading screw that runs through gear-box, the first push rod near-end is provided with in the gathering sill on the first feather key embedding shell and provides constraints and cause the first push rod to do rectilinear motion, far-end is connected with nail supporting base push rod fast interface by steady pin, described the second push rod near-end is connected with the gear in gear-box by screw thread, and far-end is provided with in the gathering sill that the second feather key embeds gear-box outside and provides constraints and cause the second push rod to do rectilinear motion.
6. the electric intelligent anastomat that a kind of surgery according to claim 1 is used, is characterized in that: described ID identification module is provided with elastic metal contacts, and it is hard contact that described ID indicates module.
7. the electric intelligent anastomat that a kind of surgery according to claim 1 is used, it is characterized in that: snap joint and the snap joint of nail supporting base push rod are key pin, fast interface and nail supporting base push rod fast interface are keyway, and key pin inserts keyway and half-twist completes connection.
8. the electric intelligent anastomat that a kind of surgery according to claim 1 is used, it is characterized in that: the first encoder and the second encoder are installed on described gear-box, the first encoder provides distance and position signalling for nail supporting base opening/closing motor, and the second encoder provides distance and position signalling for percussion motor.
9. the electric intelligent anastomat that a kind of surgery according to claim 1 is used, it is characterized in that: the moment of torsion producing when the nail supporting base opening/closing motor in electric intelligent driven unit rotates, through gear-box deceleration rear drive the first push rod displacement, nail supporting base push rod is when the nail bin to near-end moves, nail supporting base is closed to nail bin, being clipped in their middle tissues is oppressed, produce tissue compression power, the rotating speed of described tissue compression power and motor, electric current, voltage, Range-based between between gearing factor and nail supporting base and nail bin, the variation of tissue compression power is directly proportional to electric current.
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| CN201310255985.8A CN103622727A (en) | 2013-06-26 | 2013-06-26 | Electric intelligent surgical anastomat |
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| CN201310255985.8A CN103622727A (en) | 2013-06-26 | 2013-06-26 | Electric intelligent surgical anastomat |
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| CN105310736A (en) * | 2014-07-31 | 2016-02-10 | 柯惠Lp公司 | Powered surgical instrument with pressure sensitive motor speed control |
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| CN107961051A (en) * | 2017-10-31 | 2018-04-27 | 无锡贝恩外科器械有限公司 | A kind of disposable hysteroscope linear cutting anastomat |
| CN108042167A (en) * | 2018-01-30 | 2018-05-18 | 卢乐 | A kind of electronic skin stapler |
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| CN109199492A (en) * | 2018-09-19 | 2019-01-15 | 天津万和医疗器械有限公司 | A kind of electronic stapler with intelligent detecting |
| WO2019042422A1 (en) * | 2017-08-31 | 2019-03-07 | 重庆西山科技股份有限公司 | Power handle for surgical stapler |
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| WO2020093838A1 (en) * | 2018-11-08 | 2020-05-14 | 北京派尔特医疗科技股份有限公司 | Surgical stapler main body, nail box, surgical stapler and method for controlling surgical stapler |
| CN111227897A (en) * | 2018-11-29 | 2020-06-05 | 苏州英途康医疗科技有限公司 | Double-motor clip applier |
| WO2020151343A1 (en) * | 2019-01-24 | 2020-07-30 | 苏州英途康医疗科技有限公司 | Stapler handle system and stapler |
| US11534164B2 (en) | 2019-04-05 | 2022-12-27 | Covidien Lp | Strain gauge stabilization in a surgical device |
| US11596400B2 (en) | 2017-06-09 | 2023-03-07 | Covidien Lp | Handheld electromechanical surgical system |
| WO2023125564A1 (en) * | 2021-12-30 | 2023-07-06 | 江苏风和医疗器材股份有限公司 | Surgical instrument |
| US11744592B2 (en) | 2021-08-05 | 2023-09-05 | Covidien Lp | Handheld electromechanical stapler with tissue thickness detection |
| US11819208B2 (en) | 2021-08-05 | 2023-11-21 | Covidien Lp | Handheld electromechanical surgical device with strain gauge drift detection |
| US11864768B2 (en) | 2017-06-09 | 2024-01-09 | Covidien Lp | Handheld electromechanical surgical system |
| US11877744B2 (en) | 2020-08-14 | 2024-01-23 | Covidien Lp | Low-cost powered stapler with end stop selection |
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Application publication date: 20140312 |