CN104586446A - Suturing device and triggering safety mechanism thereof - Google Patents

Suturing device and triggering safety mechanism thereof Download PDF

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Publication number
CN104586446A
CN104586446A CN201510013309.9A CN201510013309A CN104586446A CN 104586446 A CN104586446 A CN 104586446A CN 201510013309 A CN201510013309 A CN 201510013309A CN 104586446 A CN104586446 A CN 104586446A
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CN
China
Prior art keywords
mentioned
connecting rod
safety mechanism
insurance connecting
stiching instrument
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Granted
Application number
CN201510013309.9A
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Chinese (zh)
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CN104586446B (en
Inventor
庞建
李学军
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Tianjin Wan He Medical Devices Co., Ltd.
Original Assignee
Tianjin Wan He Medical Devices Co Ltd
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Filing date
Publication date
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Priority to CN201510013309.9A priority Critical patent/CN104586446B/en
Publication of CN104586446A publication Critical patent/CN104586446A/en
Application granted granted Critical
Publication of CN104586446B publication Critical patent/CN104586446B/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/068Surgical staplers, e.g. containing multiple staples or clamps
    • A61B17/072Surgical 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
    • A61B17/07207Surgical 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 the staples being applied sequentially

Abstract

The invention provides a suturing device and a triggering safety mechanism thereof. The suturing device comprises a nail propping seat clamping plate. The triggering safety mechanism comprises a safety connecting rod, a safety switch device and a stroke block, wherein the safety connecting rod is installed on the nail propping seat clamping plate in a rotating manner through an elastic part, and the safety connecting rod is used for stopping or allowing the triggering of the suturing device; the safety switch device is used for locking or unlocking the safety connecting rod; the stroke block is installed on the nail propping seat clamping seat in a rotating manner, the stroke block is provided with a first bulge, and the safety switch device is pushed by the first bulge to be reset to an initial position. According to the triggering safety mechanism, the triggering can be locked or unlocked by operating the triggering safety mechanism, the mis-triggering of the suturing device can be prevented, and while other components of the suturing device are restored by a restoration button, the triggering safety mechanism is automatic reset to an initial state.

Description

Stiching instrument and firing safety mechanism thereof
Technical field
The present invention relates to medical instruments field, more specifically, relate to a kind of stiching instrument and firing safety mechanism thereof.
Background technology
In surgical operation, various medical apparatus and instruments becomes the requisite instrument of doctor, the application of medical apparatus and instruments and universally make that modus operandi is more various, operating time is shorter, reduce error hand-manipulated, avoid infection, postoperative function recovers the plurality of advantages such as fast.
In various medical apparatus and instruments, maloperation apparatus in operation, can arrange suggestion device, such as color alerts, action prompt etc. usually.Wherein, firing safety mechanism is exactly one of the most effective the most frequently used suggestion device.
In medical suturing instrument, a kind of conventional product is line cutting stitching instrument, is mainly used in the opening sewing up cavity tissue, sews up mouth neatly and very firm, stitching stomatorrhagia is less likely to occur.
Existing Linear stapler does not have firing safety mechanism, after apparatus closed impaction tissue, continue to hold firing handle and can complete firing action, percussion means to be sewed up organizing and implementing, also therefore, this design also exists a shortcoming, is exactly that what do not make doctor clearly know to be about to carry out is firing action, if doctor touches firing handle and causes percussion after apparatus is closed by mistake, operative failure can be caused.In addition, even if some stiching instrument have firing safety mechanism, firing safety mechanism itself also needs hand-reset, causes the complexity of operation.
Summary of the invention
The invention provides a kind of stiching instrument and firing safety mechanism thereof, send out stiching instrument to cause dangerous technical problem at least to solve mistakenly hit in medical apparatus and instruments.
Embodiments provide a kind of firing safety mechanism of stiching instrument, above-mentioned stiching instrument comprises nail supporting base clamping plate, above-mentioned firing safety mechanism comprises: insurance connecting rod, above-mentioned insurance connecting rod is arranged on above-mentioned nail supporting base clamping plate by elastomeric element rotationally, and above-mentioned insurance connecting rod realization is to the prevention of the percussion of above-mentioned stiching instrument or permission; Discharge cock device, above-mentioned discharge cock device realization is to the locking of above-mentioned insurance connecting rod or unblock; Stroke block, above-mentioned stroke block is arranged on above-mentioned nail supporting base clamping plate rotationally, and above-mentioned stroke block is provided with the first projection, and the above-mentioned discharge cock device of the above-mentioned first protruding promotion resets to initial position.
Optionally, one end of above-mentioned insurance connecting rod is provided with prevention hook, and above-mentioned prevention hook realization is to the prevention of the percussion of above-mentioned stiching instrument or permission.
Optionally, above-mentioned discharge cock device comprises driving lever, and the other end of above-mentioned insurance connecting rod is against on the above-mentioned driving lever of above-mentioned discharge cock device, and above-mentioned driving lever realization is to the locking of above-mentioned insurance connecting rod or unblock.
Optionally, after the above-mentioned driving lever of the above-mentioned first protruding promotion resets to initial position, above-mentioned insurance connecting rod resets to initial position by above-mentioned elastomeric element.
Optionally, above-mentioned insurance connecting rod is provided with rotating shaft and the first block, and above-mentioned stroke block is provided with the second block, and above-mentioned elastomeric element is enclosed within above-mentioned rotating shaft, one end of above-mentioned elastomeric element is against on above-mentioned first block, is against on above-mentioned second block after the other end compression of above-mentioned elastomeric element.
Optionally, above-mentioned elastomeric element is torsion spring or leaf spring.
Optionally, above-mentioned discharge cock device comprises the first restraining position and the second restraining position, above-mentioned first restraining position makes the locking of above-mentioned driving lever realization to above-mentioned insurance connecting rod, make the prevention of above-mentioned insurance connecting rod realization to the percussion of above-mentioned stiching instrument, above-mentioned second restraining position makes the unblock of above-mentioned driving lever realization to above-mentioned insurance connecting rod, makes the permission of above-mentioned insurance connecting rod realization to the percussion of above-mentioned stiching instrument.
The embodiment of the present invention additionally provides a kind of stiching instrument, comprises the above-mentioned firing safety mechanism of any one.
Optionally, above-mentioned stiching instrument comprises nail pushing plate, it is characterized in that, above-mentioned nail pushing plate is provided with second protruding, above-mentioned insurance connecting rod by the above-mentioned second protruding realization to the prevention of the percussion of above-mentioned stiching instrument or permission.
Optionally, above-mentioned stiching instrument is Linear stapler or line cutting stitching instrument.
The present invention can by realizing locking to percussion or unblock to the operation of firing safety mechanism, thus, can prevent the mistakenly hit of stiching instrument from sending out, and then the potential danger preventing from mistakenly hit from sending out causing, in addition, need not hand-reset firing safety mechanism separately, while other parts of SR reset stiching instrument, firing safety mechanism can automatically reset to the original state of apparatus, and it is fast very convenient to operate, and has the advantages that structure is simple, cost is low.
Stiching instrument of the present invention is also called anastomat by those of ordinary skill in the art, within the spirit and principles in the present invention all, and any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Accompanying drawing explanation
Fig. 1 is the structural representation at the firing safety mechanism of a kind of optional stiching instrument of embodiment of the present invention visual angle when insuring closure state in an initial condition;
Fig. 2 is the structural representation at a visual angle of the insurance connecting rod of the firing safety mechanism of a kind of optional stiching instrument of the embodiment of the present invention;
Fig. 3 is the structural representation at a visual angle of the torsion spring of the firing safety mechanism of a kind of optional stiching instrument of the embodiment of the present invention;
Fig. 4 is the structural representation at a visual angle of the stroke block of the firing safety mechanism of a kind of optional stiching instrument of the embodiment of the present invention;
Fig. 5 is the generalized section of Fig. 1;
Fig. 6 is the cross-sectional view at a visual angle of the assembly relation of the torsion spring of firing safety mechanism when insuring open mode of a kind of optional stiching instrument of the embodiment of the present invention;
Fig. 6-1 is the close-up schematic view of the local A of Fig. 6;
Fig. 7 is the cross-sectional view at firing safety mechanism visual angle that stiching instrument closes when insuring closure state of a kind of optional stiching instrument of the embodiment of the present invention;
Fig. 8 is the cross-sectional view at another visual angle of firing safety mechanism when insuring open mode of a kind of optional stiching instrument of the embodiment of the present invention;
Fig. 9 is the cross-sectional view that the firing safety mechanism of a kind of optional stiching instrument of the embodiment of the present invention is about to the visual angle resetted after having pulled the trigger.
Reference numeral in figure: insurance connecting rod 1, stops hook 11, the other end 12, rotating shaft 13, the first block 14; Torsion spring 2; Discharge cock device 3, driving lever 31, the first restraining position 32, second restraining position 33; Stroke block 4, first projection 41, second block 42; Nail supporting base clamping plate 5; Nail pushing plate 6, the second projection 61; Firing handle 7; SR 8.
Detailed description of the invention is used for further illustrating but is not limited to the present invention below, below embodiment be only a kind of optional embodiment of the present invention.
Detailed description of the invention
As shown in Figure 1, present embodiments provide a kind of firing safety mechanism of stiching instrument, above-mentioned stiching instrument comprises nail supporting base clamping plate 5, above-mentioned firing safety mechanism comprises: insurance connecting rod 1 as shown in Figure 2, above-mentioned insurance connecting rod 1 is arranged on above-mentioned nail supporting base clamping plate 5 by elastomeric element rotationally, and above-mentioned insurance connecting rod 1 realizes prevention to the percussion of above-mentioned stiching instrument or permission; Discharge cock device 3, above-mentioned discharge cock device 3 realizes locking to above-mentioned insurance connecting rod 1 or unblock; Stroke block 4 as shown in Figure 4, above-mentioned stroke block 4 is arranged on above-mentioned nail supporting base clamping plate 5 rotationally, and above-mentioned stroke block 4 is provided with the first projection 41, and above-mentioned first protruding 41 promotes above-mentioned discharge cock device 3 resets to initial position.As shown in Figure 5, Fig. 5 is the generalized section of Fig. 1 to above-mentioned initial position.
Optionally, above-mentioned elastomeric element is torsion spring 2 as shown in Figure 3, can also be leaf spring.
Optionally, as shown in Figure 2, one end of above-mentioned insurance connecting rod 1 is provided with and stops hook 11, and above-mentioned prevention hook 11 realizes prevention to the percussion of above-mentioned stiching instrument or permission.
Optionally, as shown in Figure 5, above-mentioned discharge cock device 3 comprises driving lever 31, and the other end 12 of above-mentioned insurance connecting rod 1 is as shown in Figure 2 against on the above-mentioned driving lever 31 of above-mentioned discharge cock device 3, and above-mentioned driving lever 31 realizes locking to above-mentioned insurance connecting rod 1 or unblock.
Optionally, as shown in Figure 2, above-mentioned insurance connecting rod 1 is also provided with rotating shaft 13 and the first block 14, as shown in Figure 4, above-mentioned stroke block 4 is also provided with the second block 42, and above-mentioned torsion spring 2 is enclosed within above-mentioned rotating shaft 13, one end of above-mentioned torsion spring 2 is against on above-mentioned first block 14, be against on above-mentioned second block 42 after the other end compression of above-mentioned torsion spring 2, as shown in Figure 6, the close-up schematic view of the local A of Fig. 6 as in Figure 6-1.
Optionally, after the above-mentioned driving lever 31 of the above-mentioned first protruding 41 promotion resets to initial position, above-mentioned insurance connecting rod 1 resets to initial position by above-mentioned torsion spring 2.
Optionally, as in Figure 6-1, above-mentioned discharge cock device 3 comprises the first restraining position 32 and the second restraining position 33, the locking that above-mentioned first restraining position 32 makes above-mentioned driving lever 31 realize above-mentioned insurance connecting rod 1, above-mentioned insurance connecting rod 1 is made to realize the prevention of the percussion to above-mentioned stiching instrument, the unblock that above-mentioned second restraining position 33 makes above-mentioned driving lever 31 realize above-mentioned insurance connecting rod 1, makes above-mentioned insurance connecting rod 1 realize the permission of the percussion to above-mentioned stiching instrument.
Present embodiments provide a kind of Linear stapler, comprise above-mentioned arbitrary firing safety mechanism.
Optionally, as shown in Figure 5, above-mentioned Linear stapler comprises nail pushing plate 6, and above-mentioned nail pushing plate 6 is provided with the second projection 61, and above-mentioned insurance connecting rod 1 realizes prevention to the percussion of above-mentioned Linear stapler or permission by above-mentioned second protruding 61.
Comprise the operation principle generalized section of the above-mentioned Linear stapler of above-mentioned arbitrary firing safety mechanism as shown in Fig. 5, Fig. 7, Fig. 8 and Fig. 9.
As shown in Figure 5, above-mentioned Linear stapler is in original state, the above-mentioned driving lever 31 of above-mentioned discharge cock device 3 is positioned at above-mentioned first restraining position 32 as in Figure 6-1, the locking that above-mentioned first restraining position 32 makes above-mentioned driving lever 31 realize above-mentioned insurance connecting rod 1, makes above-mentioned insurance connecting rod 1 by stopping the above-mentioned second protruding 61 preventions realizing the percussion of above-mentioned Linear stapler.
As shown in Figure 7, holding firing handle 7 makes above-mentioned Linear stapler close.Unclamp above-mentioned firing handle 7, above-mentioned firing handle 7 is returned to original state as shown in Figure 5, continue to hold above-mentioned firing handle 7, above-mentioned firing handle 7 promotes above-mentioned nail pushing plate 6, the above-mentioned prevention hook 11 of above-mentioned insurance connecting rod 1 is arrived on above-mentioned second protruding 61 tops of above-mentioned nail pushing plate 6, above-mentioned nail pushing plate 6 cannot be continued mobile, and then make above-mentioned firing handle 7 cannot continue to hold, above-mentioned Linear stapler cannot be pulled the trigger.
As shown in Figure 8, above-mentioned driving lever 31 is pushed into above-mentioned second restraining position 33 as in Figure 6-1, the above-mentioned other end 12 that above-mentioned driving lever 31 promotes above-mentioned insurance connecting rod 1 makes above-mentioned insurance connecting rod 1 rotate counterclockwise around its rotating shaft, and the above-mentioned prevention hook 11 of above-mentioned insurance connecting rod 1 turns to the below of above-mentioned second projection 61 of above-mentioned nail pushing plate 6.Hold above-mentioned firing handle 7, above-mentioned firing handle 7 promotes above-mentioned nail pushing plate 6, and above-mentioned second projection 61 on above-mentioned nail pushing plate 6 can not be propped up by the above-mentioned prevention hook 11 of above-mentioned insurance connecting rod 1, above-mentioned firing handle 7 is held and completes percussion on earth.
As shown in Figure 9, after having pulled the trigger, press SR 8, above-mentioned Linear stapler resets, above-mentioned stroke block 4 rotates clockwise simultaneously, on above-mentioned stroke block 4 above-mentioned first protruding 41 promotes above-mentioned driving lever 31 and rotates clockwise, above-mentioned driving lever 31 is pushed into above-mentioned first restraining position 32 from above-mentioned second restraining position 33, above-mentioned driving lever 31 is made to be returned to original state as shown in Figure 5, above-mentioned insurance connecting rod 1 rotates at the clockwise under influence of above-mentioned torsion spring 2 as in Figure 6-1, be returned to original state as shown in Figure 5, above-mentioned firing safety mechanism completes and automatically resets.
Above-mentioned reset, namely resets to initial position as shown in Figure 5, and above-mentioned locking is and prevents percussion, makes above-mentioned insurance connecting rod 1 be in position as shown in Fig. 5 or Fig. 7, and above-mentioned unblock is and allows percussion, makes above-mentioned insurance connecting rod 1 be in position as shown in Figure 8.
Above-mentioned Linear stapler also can be replaced line cutting stitching instrument.
The foregoing is only optional embodiment of the present invention, be not limited to the present invention, for a person skilled in the art, the present invention can have various modifications and variations.Within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.

Claims (10)

1. a firing safety mechanism for stiching instrument, described stiching instrument comprises nail supporting base clamping plate (5), it is characterized in that, described firing safety mechanism comprises:
Insurance connecting rod (1), described insurance connecting rod (1) is arranged on described nail supporting base clamping plate (5) by elastomeric element (2) rotationally, and described insurance connecting rod (1) realization is to the prevention of the percussion of described stiching instrument or permission;
Discharge cock device (3), described discharge cock device (3) realization is to the locking of described insurance connecting rod (1) or unblock;
Stroke block (4), described stroke block (4) is arranged on described nail supporting base clamping plate (5) rotationally, described stroke block (4) is provided with the first projection (41), and described first projection (41) promotes described discharge cock device (3) and resets to initial position.
2. firing safety mechanism according to claim 1, it is characterized in that, one end of described insurance connecting rod (1) is provided with and stops hook (11), and described prevention hook (11) realization is to the prevention of the percussion of described stiching instrument or permission.
3. firing safety mechanism according to claim 1, it is characterized in that, described discharge cock device (3) comprises driving lever (31), the other end (12) of described insurance connecting rod (1) is against on the described driving lever (31) of described discharge cock device (3), and described driving lever (31) realization is to the locking of described insurance connecting rod (1) or unblock.
4. firing safety mechanism according to claim 3, it is characterized in that, described first projection (41) promotes after described driving lever (31) resets to initial position, and described insurance connecting rod (1) resets to initial position by described elastomeric element (2).
5. firing safety mechanism according to claim 1, it is characterized in that, described insurance connecting rod (1) is provided with rotating shaft (13) and the first block (14), described stroke block (4) is provided with the second block (42), described elastomeric element (2) is enclosed within described rotating shaft (13), one end of described elastomeric element (2) is against on described first block (14), is against on described second block (42) after the other end compression of described elastomeric element (2).
6. firing safety mechanism according to claim 1, is characterized in that, described elastomeric element (2) is torsion spring or leaf spring.
7. firing safety mechanism according to claim 3, it is characterized in that, described discharge cock device (3) comprises the first restraining position (32) and the second restraining position (33), described first restraining position (32) makes the locking of described driving lever (31) realization to described insurance connecting rod (1), make the prevention of described insurance connecting rod (1) realization to the percussion of described stiching instrument, described second restraining position (33) makes the unblock of described driving lever (31) realization to described insurance connecting rod (1), make the permission of described insurance connecting rod (1) realization to the percussion of described stiching instrument.
8. a stiching instrument, is characterized in that, comprises the firing safety mechanism according to any one of claim 1 to 7.
9. stiching instrument according to claim 8, described stiching instrument comprises nail pushing plate (6), it is characterized in that, described nail pushing plate (6) is provided with the second projection (61), and described insurance connecting rod (1) realizes prevention to the percussion of described stiching instrument or permission by described second projection (61).
10. according to Claim 8 or 9 arbitrary described stiching instrument, it is characterized in that, described stiching instrument is Linear stapler or line cutting stitching instrument.
CN201510013309.9A 2015-01-12 2015-01-12 Stiching instrument and its firing safety mechanism Expired - Fee Related CN104586446B (en)

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CN104586446B CN104586446B (en) 2017-03-08

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104921770A (en) * 2015-06-25 2015-09-23 苏州法兰克曼医疗器械有限公司 Surgical cutting and suturing machine capable of carrying suturing and cutting in sequence
CN111820971A (en) * 2020-07-27 2020-10-27 苏州贝诺医疗器械有限公司 Anastomat handle device with safety mechanism and anastomat

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5605273A (en) * 1994-03-30 1997-02-25 Ethicon Endo-Surgery Surgical instrument having staple head adapted for rib insertion
EP0648476B1 (en) * 1993-10-08 1998-01-14 United States Surgical Corporation Self contained gas powered surgical apparatus
US20090236395A1 (en) * 2006-09-11 2009-09-24 Tyco Healthcare Group Lp Rotating Knob Locking Mechanism For Surgical Stapling Device
CN201719300U (en) * 2010-05-26 2011-01-26 江苏瑞安贝医疗器械有限公司 Linear type anastomat
CN201899536U (en) * 2010-11-17 2011-07-20 苏州天臣国际医疗科技有限公司 Insurance indicating mechanism of linear type closer
CN102160811A (en) * 2011-05-17 2011-08-24 苏州贝诺医疗器械有限公司 Suturing instrument with empty nail chamber protection
WO2012177409A1 (en) * 2011-06-21 2012-12-27 Ethicon Endo-Surgery, Inc. Linear stapler
CN103006282A (en) * 2012-12-28 2013-04-03 北京中法派尔特医疗设备有限公司 Surgical stitching instrument with safety device
CN204484214U (en) * 2015-01-12 2015-07-22 天津万和医疗器械有限公司 Stiching instrument and firing safety mechanism thereof

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0648476B1 (en) * 1993-10-08 1998-01-14 United States Surgical Corporation Self contained gas powered surgical apparatus
US5605273A (en) * 1994-03-30 1997-02-25 Ethicon Endo-Surgery Surgical instrument having staple head adapted for rib insertion
US20090236395A1 (en) * 2006-09-11 2009-09-24 Tyco Healthcare Group Lp Rotating Knob Locking Mechanism For Surgical Stapling Device
CN201719300U (en) * 2010-05-26 2011-01-26 江苏瑞安贝医疗器械有限公司 Linear type anastomat
CN201899536U (en) * 2010-11-17 2011-07-20 苏州天臣国际医疗科技有限公司 Insurance indicating mechanism of linear type closer
CN102160811A (en) * 2011-05-17 2011-08-24 苏州贝诺医疗器械有限公司 Suturing instrument with empty nail chamber protection
WO2012177409A1 (en) * 2011-06-21 2012-12-27 Ethicon Endo-Surgery, Inc. Linear stapler
CN103006282A (en) * 2012-12-28 2013-04-03 北京中法派尔特医疗设备有限公司 Surgical stitching instrument with safety device
CN204484214U (en) * 2015-01-12 2015-07-22 天津万和医疗器械有限公司 Stiching instrument and firing safety mechanism thereof

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104921770A (en) * 2015-06-25 2015-09-23 苏州法兰克曼医疗器械有限公司 Surgical cutting and suturing machine capable of carrying suturing and cutting in sequence
CN111820971A (en) * 2020-07-27 2020-10-27 苏州贝诺医疗器械有限公司 Anastomat handle device with safety mechanism and anastomat
CN111820971B (en) * 2020-07-27 2021-02-02 苏州贝诺医疗器械有限公司 Anastomat handle device with safety mechanism and anastomat

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Granted publication date: 20170308

Termination date: 20210112