CN105769274A - Retracting detection and protection device for cutting knife for intracavity cutting anastomat - Google Patents
Retracting detection and protection device for cutting knife for intracavity cutting anastomat Download PDFInfo
- Publication number
- CN105769274A CN105769274A CN201610352652.0A CN201610352652A CN105769274A CN 105769274 A CN105769274 A CN 105769274A CN 201610352652 A CN201610352652 A CN 201610352652A CN 105769274 A CN105769274 A CN 105769274A
- Authority
- CN
- China
- Prior art keywords
- switch
- withdrawing
- retracting
- torsion spring
- protection device
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/068—Surgical staplers, e.g. containing multiple staples or clamps
- A61B17/072—Surgical staplers, e.g. containing multiple staples or clamps for applying a row of staples in a single action, e.g. the staples being applied simultaneously
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/32—Surgical cutting instruments
- A61B17/320016—Endoscopic cutting instruments, e.g. arthroscopes, resectoscopes
-
- 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
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/068—Surgical staplers, e.g. containing multiple staples or clamps
- A61B17/072—Surgical staplers, e.g. containing multiple staples or clamps for applying a row of staples in a single action, e.g. the staples being applied simultaneously
- A61B2017/07214—Stapler heads
- A61B2017/07285—Stapler heads characterised by its cutter
Abstract
The invention relates to a retracting detection and protection device for a cutting knife for an intracavity cutting anastomat.The technical problems that when a cutting knife of an existing intracavity cutting anastomat does not retract in place, a jaw is opened, and therefore a series of risks are generated are solved.The protection device comprises an unlocking switch, an unlocking switch rotary shaft, a retracting oscillating bar and a torsional spring.The retracting oscillating bar comprises a bar body.One end of the bar body is connected with a cylindrical end, the other end of the bar body is connected with a torsional spring installing part, and a torsional arm insertion hole is formed in the bar body.The unlocking switch rotary shaft penetrates through the unlocking switch.One end of the unlocking switch is provided with a pressing part, the other end of the unlocking switch is provided with a jacking part, and a retracting oscillating bar limiting groove is formed in the middle of the unlocking switch.The cylindrical end of the retracting oscillating bar is arranged in the retracting oscillating bar limiting groove.The torsional spring is provided with a first torsional arm and a second torsional arm, and the second torsional arm is provided with a tail end.The torsional spring is connected with the torsional spring installing part of the retracting oscillating bar, and the tail end on the second torsional arm of the torsional spring is inserted into the torsional spring insertion hole of the retracting oscillating bar.The retracting detection protection device is widely applied to the cutting anastomat.
Description
Technical field
The present invention relates to technical field of medical instruments, particularly relate to a kind of intracavity Endo-GIA cutter withdrawing detection protection device.
Background technology
It is known that intracavity Endo-GIA has been widely used in the reconstruction operations such as stomach, Colon and rectum.
The intracavity Endo-GIA shown in Fig. 1 in Figure of description, it includes distal jaw assembly 1, sleeve 2, joint steering knob 3 and operating mechanism 10, sleeve 2 is connected with distal jaw assembly 1, joint steering knob 3 is connected with sleeve 2, operating mechanism 10 is connected with joint steering knob 3, firing handle 4 is connected with operating mechanism 10, close handles 5 is connected with operating mechanism 10, fixed handle 8 is connected with operating mechanism 10, operating mechanism 10 is also associated with manual withdrawing switch 6, anti-lock button 7 conciliate lock-switch 9.
In the use procedure of intracavity Endo-GIA, doctor can pass through to observe the position of cutter and grasp the cut position of tissue and state at any time, makes operation process safer.It is not in place that existing intracavity Endo-GIA often occurs that cutter are return, and jaw is opened, and departs from jaw and again in clamp process at tissue, and the cutting edge of cutter is likely to cut tissue mistake, causes unnecessary damage.Additionally, when adding screw position, it may appear that in nail bin, suturing nail is pushed out too early, causes effective cutting and stitching length of apparatus to shorten, and easily causes tissue injury, increases operation risk, and brings great operation risk to patient.
Summary of the invention
The present invention is to solve that when the cutter of existing intracavity Endo-GIA are return not in place, jaw turns on thus producing the technical problem of a series of risk, it is provided that a kind of intracavity Endo-GIA cutter withdrawing detection protection device that ensure that only jaw just can be opened when cutter are return and put in place.
The technical scheme is that, including solving lock-switch, unlocking switch shaft, withdrawing fork and torsion spring, withdrawing fork includes bar body, and one end of bar body is connected to cylindrical end, and the other end is connected to torsion spring installation portion, and bar body is provided with torque arm jack；Unlock switch shaft through solving lock-switch；
The one end solving lock-switch is provided with press section, and the other end is provided with top splenium, and the middle part solving lock-switch is provided with withdrawing fork stopper slot；The cylindrical end of withdrawing fork is located in withdrawing fork stopper slot；
Torsion spring is provided with the first torque arm and the second torque arm, and the second torque arm is provided with end；
Torsion spring is connected with the torsion spring installation portion of withdrawing fork, and the end in the second torque arm of torsion spring inserts in the torque arm jack of withdrawing fork.
Preferably, the middle part solving lock-switch is provided with axis hole, unlocks switch shaft and is located in axis hole.
Preferably, withdrawing fork stopper slot is provided with arc inner wall.
Preferably, solving lock-switch and be connected to tooth bar, tooth bar is provided with bottom surface, and bottom surface is provided with groove.
The invention has the beneficial effects as follows, simple in construction, dependable performance, it may be achieved the double check that puts in place of cutter, the use making apparatus is safer, convenient, does not increase the operating procedure of apparatus simultaneously.Whether return by detection cutter and put in place, to avoid cutter cutting edge to scratch tissue, also avoid nail bin to be partially fired the risk brought to operation in installation process.By installing withdrawing detection protection device in instrument body, only after detecting that cutter are return and put in place, distal jaw assembly just can be opened, and could be discharged by the tissue of clamping, and then changes nail bin.
Further aspect of the present invention, in the description of detailed description below, will be clearly stated that.
Accompanying drawing explanation
Fig. 1 is the structural representation of intracavity Endo-GIA；
Fig. 2 is that withdrawing hour rack is not in contact with the view to withdrawing fork；
Fig. 3 is view during withdrawing hour rack initial press withdrawing fork；
Fig. 4 is that withdrawing hour rack is fully retracted unlocks the view under switch press when putting in place；
Fig. 5 is the connection diagram of withdrawing fork and fixed handle；
Fig. 6 is the structural representation solving lock-switch；
Fig. 7 is the structural representation of withdrawing fork；
Fig. 8 is the structural representation of torsion spring；
Fig. 9 is the structural representation of tooth bar；
Figure 10 is close handles initial position schematic diagram；
Figure 11 is the locked view of close handles；
The close handles that Figure 12 is locked is solving the view after lock-switch is pressed.
Reference numeral illustrates:
1. distal jaw assembly；2. sleeve；3. joint steering knob；4. firing handle；5. close handles；6. manual withdrawing switch；7. anti-lock button；8. fixed handle；9. solve lock-switch；10. operating mechanism；11. unblock switch shaft；12. torsion spring；13. withdrawing fork；14. tooth bar；15. press section；16. axis hole；17. top splenium；18. withdrawing fork stopper slot；19. bar body；20. cylindrical end；21. torsion spring installation portion；22. torque arm jack；23. the first torque arm；24. the second torque arm；25. end；26. bottom surface；27. groove；28. sidewall；29. arc inner wall；30. fixed handle body；31. straight pin；32. confined planes return by tooth bar；33. torsion spring leans face；34. press section；35. sticking department.
Detailed description of the invention
As in Figure 2-4, being provided with solution lock-switch 9, unlock switch shaft 11, withdrawing fork 13, torsion spring 12, tooth bar 14 in operating mechanism 10, unlock switch shaft 11 through the axis hole 16 solving lock-switch 9, torsion spring 12 is connected with withdrawing fork 13.Unlocking switch shaft 11 and be fixedly connected on fixed handle 8, cutter and tooth bar 14 are fixed together.
As it is shown in figure 5, fixed handle 8 includes fixed handle body 30, fixed handle body 30 is provided with tooth bar and returns confined planes 32 and torsion spring leans face 33.Straight pin 31 and fixed handle body 30 are fixedly connected, and withdrawing fork 13 is enclosed within straight pin 31, for being flexibly connected between withdrawing fork 13 with straight pin 31.
As shown in Figure 6, the lower left end portion solving lock-switch 9 is press section 15, and medium position is provided with axis hole 16 and withdrawing fork stopper slot 18, and upper right quarter is provided with top splenium 17.Axis hole 16 is for through unlocking switch shaft 11, solving lock-switch 9 to unlock fulcrum centered by switch shaft 11.Withdrawing fork stopper slot 18 is provided with arc inner wall 29.
As it is shown in fig. 7, withdrawing fork 13 includes bar body 19, one end of bar body 19 is connected to cylindrical end 20, and the other end connects torsion spring installation portion 21, and cylindrical end 20 and torsion spring installation portion 21 lay respectively at the both sides of bar body 19.Bar body 19 is provided with torque arm jack 22.The center of torsion spring installation portion 21 is cylindrical hole, and this cylindrical hole is used for being enclosed within straight pin 31.
As shown in Figure 8, torsion spring 12 includes first torque arm the 23, second torque arm 24, and the second torque arm 24 is provided with end 25.
As it is shown in figure 9, tooth bar 14 is provided with bottom surface 26, bottom surface 26 having groove 27, groove 27 is provided with sidewall 28.
To unlock switch shaft 11 through axis hole 16, torsion spring 12 is enclosed within the torsion spring installation portion 21 of withdrawing fork 13, and the end 25 in the second torque arm 24 of torsion spring 12 inserts in torque arm jack 22.As it is shown in figure 5, the first torque arm 23 of torsion spring 12 acts against the torsion spring on fixed handle body 30 and leans on face 33.
Work process is described below:
With reference to Fig. 1,2,10 and 11, by palm when held fixed handle 8, fully extruding close handles 5, the press section 34 in close handles 5 upwardly solves lock-switch 9, until the sticking department 35 in close handles 5 is unlocked switch 9 and blocks, " clicker " sound can be heard after putting in place and pin.Extruding firing handle 4, under the effect of rack drives device, tooth bar 14 and cutter travel forward in (direction of distal jaw assembly 1), again extruding firing handle 4, and cutter are return along with the retrogressing of tooth bar 14.Tooth bar 14 draw back (in Fig. 2 direction) to the left process in, before the rear end of tooth bar 14 is not pressed onto withdrawing fork 13, withdrawing fork 13 can under the effect of torsion spring 12, the cylindrical end 20 of withdrawing fork 13 is acted against on the arc inner wall 29 in the withdrawing fork stopper slot 18 solving lock-switch 9, solve lock-switch 9 to be stuck, if now pressing down on the press section 15 solving lock-switch 9, solving lock-switch 9 cannot to unlock rotation centered by switch shaft 11, close handles 5 also cannot reset, distal jaw assembly 1 cannot open, tissue cannot be deviate from, also nail bin cannot be changed.
With reference to Fig. 3, continue the process drawn back presses to withdrawing fork 13 at tooth bar 14, the cylindrical end 20 of withdrawing fork 13 is rotated away from the arc inner wall 29 of withdrawing fork stopper slot 18, when tooth bar 14 is not return and is put in place (ends contact of tooth bar 14 represent to return when returning confined planes 32 to Fig. 5 middle rack put in place), if now pressing down on the press section 15 solving lock-switch 9, the top splenium 17 solving lock-switch 9 can withstand on the bottom surface 26 of tooth bar 14, and make top splenium 17 to move, now solve lock-switch 9 and still do not rotate.
With reference to Fig. 4,11 and 12, when tooth bar 14 continue retreat, after putting in place, the now press section 15 of being unlocked by pressing switch 9, solving lock-switch 9 and rotate to unlock (in Fig. 4) counterclockwise centered by switch shaft 11, top splenium 17 can enter in the groove 27 of tooth bar 14, and is rotated up, until the sidewall 28 of contact groove 27, close handles 5 moves to the initial position of Figure 10 with hands, and close handles 5 is unlocked, distal jaw assembly expansible, tissue is released, and whole work process terminates.
The above, only to the preferred embodiments of the present invention, is not limited to the present invention, and for a person skilled in the art, the present invention can have various modifications and variations.Every within the scope of the claim restriction of the present invention, any amendment of making, equivalent replacement, improvement etc., all should within protection scope of the present invention.
Claims (4)
1. an intracavity Endo-GIA cutter withdrawing detection protection device; it is characterized in that; including solving lock-switch, unlocking switch shaft, withdrawing fork and torsion spring; described withdrawing fork includes bar body; one end of described bar body is connected to cylindrical end; the other end is connected to torsion spring installation portion, and described bar body is provided with torque arm jack；The described unblock switch shaft described solution lock-switch of traverse；
One end of described solution lock-switch is provided with press section, and the other end is provided with top splenium, and the middle part of described solution lock-switch is provided with withdrawing fork stopper slot；The cylindrical end of described withdrawing fork is located in described withdrawing fork stopper slot；
Described torsion spring is provided with the first torque arm and the second torque arm, and described second torque arm is provided with end；
Described torsion spring is connected with the torsion spring installation portion of described withdrawing fork, and the end in the second torque arm of described torsion spring inserts in the torque arm jack of described withdrawing fork.
2. intracavity Endo-GIA cutter withdrawing according to claim 1 detection protection device, it is characterised in that the middle part of described solution lock-switch is provided with axis hole, and described unblock switch shaft is located in described axis hole.
3. intracavity Endo-GIA cutter withdrawing according to claim 2 detection protection device, it is characterised in that described withdrawing fork stopper slot is provided with arc inner wall.
4. intracavity Endo-GIA cutter withdrawing according to claim 3 detection protection device, it is characterised in that described solution lock-switch is connected to tooth bar, and described tooth bar is provided with bottom surface, and described bottom surface is provided with groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610352652.0A CN105769274B (en) | 2016-05-24 | 2016-05-24 | Intracavitary Endo-GIA detects protection device with cutter withdrawing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610352652.0A CN105769274B (en) | 2016-05-24 | 2016-05-24 | Intracavitary Endo-GIA detects protection device with cutter withdrawing |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105769274A true CN105769274A (en) | 2016-07-20 |
| CN105769274B CN105769274B (en) | 2018-01-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610352652.0A Active CN105769274B (en) | 2016-05-24 | 2016-05-24 | Intracavitary Endo-GIA detects protection device with cutter withdrawing |
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| Country | Link |
|---|---|
| CN (1) | CN105769274B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111265262A (en) * | 2018-12-04 | 2020-06-12 | 江苏风和医疗器材股份有限公司 | Nail bin assembly for surgical instrument and surgical instrument |
| CN111281461A (en) * | 2018-12-08 | 2020-06-16 | 江苏风和医疗器材股份有限公司 | Driving device, anti-jamming structure of transmission mechanism, steering piece and anastomat |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7143926B2 (en) * | 2005-02-07 | 2006-12-05 | Ethicon Endo-Surgery, Inc. | Surgical stapling instrument incorporating a multi-stroke firing mechanism with return spring rotary manual retraction system |
| CN101327137A (en) * | 2007-06-18 | 2008-12-24 | 伊西康内外科公司 | Surgical stapling and cutting instrument with improved closure system |
| EP2033586A2 (en) * | 2007-06-22 | 2009-03-11 | Ethicon Endo-Surgery, Inc. | End effector closure system for a surgical stapling instrument |
| CN202892024U (en) * | 2012-09-29 | 2013-04-24 | 北京中法派尔特医疗设备有限公司 | Driving and locking device and cutting stitching instrument employing same |
| CN103690216A (en) * | 2014-01-07 | 2014-04-02 | 四川大学华西医院 | Dual-functional linear cutting suture instrument for laparotomy laparoscopic-assisted surgery |
| CN104224262A (en) * | 2014-09-30 | 2014-12-24 | 山东威瑞外科医用制品有限公司 | Intracavity incision anastomat |
| CN205831848U (en) * | 2016-05-24 | 2016-12-28 | 山东威瑞外科医用制品有限公司 | A kind of intracavity Endo-GIA cutter withdrawing detects protection device |
-
2016
- 2016-05-24 CN CN201610352652.0A patent/CN105769274B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7143926B2 (en) * | 2005-02-07 | 2006-12-05 | Ethicon Endo-Surgery, Inc. | Surgical stapling instrument incorporating a multi-stroke firing mechanism with return spring rotary manual retraction system |
| CN101327137A (en) * | 2007-06-18 | 2008-12-24 | 伊西康内外科公司 | Surgical stapling and cutting instrument with improved closure system |
| EP2033586A2 (en) * | 2007-06-22 | 2009-03-11 | Ethicon Endo-Surgery, Inc. | End effector closure system for a surgical stapling instrument |
| CN202892024U (en) * | 2012-09-29 | 2013-04-24 | 北京中法派尔特医疗设备有限公司 | Driving and locking device and cutting stitching instrument employing same |
| CN103690216A (en) * | 2014-01-07 | 2014-04-02 | 四川大学华西医院 | Dual-functional linear cutting suture instrument for laparotomy laparoscopic-assisted surgery |
| CN104224262A (en) * | 2014-09-30 | 2014-12-24 | 山东威瑞外科医用制品有限公司 | Intracavity incision anastomat |
| CN205831848U (en) * | 2016-05-24 | 2016-12-28 | 山东威瑞外科医用制品有限公司 | A kind of intracavity Endo-GIA cutter withdrawing detects protection device |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111265262A (en) * | 2018-12-04 | 2020-06-12 | 江苏风和医疗器材股份有限公司 | Nail bin assembly for surgical instrument and surgical instrument |
| CN111281461A (en) * | 2018-12-08 | 2020-06-16 | 江苏风和医疗器材股份有限公司 | Driving device, anti-jamming structure of transmission mechanism, steering piece and anastomat |
| CN111281461B (en) * | 2018-12-08 | 2023-11-07 | 江苏风和医疗器材股份有限公司 | Driving device, structure for preventing transmission mechanism from being blocked, steering part and anastomat |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105769274B (en) | 2018-01-12 |
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