CN103126735B - Straight line cutting anastomat - Google Patents

Straight line cutting anastomat Download PDF

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Publication number
CN103126735B
CN103126735B CN201310089959.2A CN201310089959A CN103126735B CN 103126735 B CN103126735 B CN 103126735B CN 201310089959 A CN201310089959 A CN 201310089959A CN 103126735 B CN103126735 B CN 103126735B
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CN
China
Prior art keywords
nail
securing rod
assembly
mounting
supporting base
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Active
Application number
CN201310089959.2A
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Chinese (zh)
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CN103126735A (en
Inventor
施志文
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.)
Changzhou Health Microport Medical Device Co., Ltd.
Original Assignee
CHANGZHOU YANLING ELECTRONIC EQUIPMENT Co Ltd
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Priority to CN201310089959.2A priority Critical patent/CN103126735B/en
Publication of CN103126735A publication Critical patent/CN103126735A/en
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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 discloses a straight line cutting anastomat which comprises a nail cabin component, a nail seat abutting component, a component seat support, a locking lever component and a trigger mechanism used for driving the nail seat abutting component to move. The trigger mechanism comprises a pushing block, a cutter bar, an inclined wedge, a screw rod, a transmission nut, a rotary handle and a screw rod fixing seat. The screw rod fixing seat is fixedly connected with the bottom of the component seat support. Two ends of the screw rod respectively and rotationally support on the screw rod fixing seat. The rotary handle is connected with one end of the screw rod in an inserting mode. The cutter bar and the inclined wedge are respectively arranged on the pushing block. The pushing block is installed in the component seat support in a sliding mode. The pushing block is fixedly connected with the transmission nut. A screw nut pair is composed of the transmission nut and the screw rod. According to the straight line cutting anastomat, a traditional pushing type trigger principle is changed and rotary force is changed to pushing force, trigger force is stable so that requirements for a user are greatly reduced, accuracy of trigger is improved, operation risk in the process of an operation is greatly reduced and safety in the process of the whole operation is improved.

Description

Linear cutting anastomat
Technical field
The present invention relates to a kind of linear cutting anastomat, belong to medical instruments field.
Background technology
At present, disposable use Linear cutting suturing device is for department of general surgery, thoracic surgery, gynecological and Pediatrics Department, and main uses is to organize from disconnected, excision and identical.This product forms by supporting nail portion and nail bin portion, and its operation principle is: promote percussion button, and inner mobile by tiltedly carving at nail bin, tiltedly carve drive push jack, anastomosis staple is released to nail bin surface until molding.When the linear cutting anastomat in traditional mechanical type stiching instrument is performed an operation, pulling the trigger structure is the direct firing action that promoted of hands by people, this kind of mode is high to the requirement of user (skill and dynamics on hand), once the not good of skill and dynamics grasp is easy to cause apparatus pull the trigger motionless and can only pull the trigger half, finally cause operative failure, risk is high.
Summary of the invention
Technical problem to be solved by this invention is the defect that overcomes prior art, a kind of linear cutting anastomat is provided, it has changed traditional driving percussion principle, the power of rotation is changed over to motive force, make percussion dynamics steady, thereby reduced greatly the requirement to user, improved the precision of its percussion, also the risk that has reduced greatly operation in operation process, has improved the safety in whole operation process.
In order to solve the problems of the technologies described above, technical scheme of the present invention is: a kind of linear cutting anastomat, comprise nail bin groupware, nail supporting base assembly, assembly mounting, securing rod assembly and the firing lock that nail bin groupware is moved, nail supporting base assembly is arranged on assembly mounting removably, nail bin groupware is arranged in assembly mounting, one end of securing rod assembly is hinged on nail supporting base assembly, described firing lock comprises pushing block, knife bar, tiltedly carve, screw mandrel, transmission nut, turning handle and screw mandrel holder, screw mandrel holder is fixedly connected on the bottom of assembly mounting, the two ends of screw mandrel can be rotated to support on respectively on screw mandrel holder, peg graft in one end of turning handle and screw mandrel, knife bar and tiltedly carving is installed on pushing block, pushing block is slidably mounted in assembly mounting, and pushing block is fixedly connected with transmission nut, transmission nut and screw mandrel form feed screw nut pair.
Further, described nail bin groupware comprises anastomosis staple, pushing slice of nail, cutter, cutter lid, nail bin, nail bin lid and backing plate, anastomosis staple is arranged in nail bin, and on nail bin, have a plurality of nail holes that pass anastomosis staple, nail bin also has cutter chute and pushing slice of nail mounting groove, and cutter are contained in cutter chute slidably, pushing slice of nail is contained in pushing slice of nail mounting groove, cutter lid is arranged on the tail end of nail bin, nail bin lid be arranged on nail bin above, backing plate is arranged on the bottom surface of nail bin.
Further, described nail supporting base assembly comprise nail supporting base mounting, silently with securing rod assembly mounting blocks, be silently arranged on the head end of nail supporting base mounting, on nail supporting base mounting, have a plurality of nail forming tank, securing rod assembly mounting blocks is arranged on the middle part of nail supporting base mounting.
Further, described securing rod assembly comprises securing rod and lock enclosure, lock enclosure covers on securing rod, securing rod is hinged on nail supporting base assembly, on securing rod, there is lock bracket, in each lock bracket, be provided with loose tongue groove, on described assembly mounting, in the position corresponding with loose tongue groove, alignment pin be housed.
Further, between described securing rod assembly and nail supporting base assembly, be provided with closed insurance institution, described closed insurance institution comprises stop button, spring and the auxiliary catch that is arranged on nail supporting base mounting tail end, described stop button and spring fitting are in securing rod, on stop button, be also provided with the groove that stops coordinating with auxiliary catch, one end of spring is against on the front end of stop button, and when the other end of spring props up securing rod to presses stop button, under the extruding of spring, auxiliary catch departs from and stops groove.
Further, on described pushing block, pointer is housed.
Further, between described firing lock and assembly mounting, be provided with percussion locking mechanism, this percussion locking mechanism is an insurance adnexa, and described insurance adnexa has the first draw-in groove that blocks turning handle, and described insurance adnexa also has the second draw-in groove that blocks assembly mounting.
Adopted after technique scheme, firing lock of the present invention adopts the percussion of the feed screw nut pair kind of drive, make turning handle drive screw mandrel to rotate, screw mandrel drives transmission nut to move forward, transmission nut drives pushing block to move forward again, knife bar on pushing block drives cutter to move forward, by tiltedly carving, promote pushing slice of nail upwards action of anastomosis staple simultaneously, in nail forming tank, become B font, the power of rotation is changed over to motive force, make percussion dynamics steady, thereby reduced greatly the requirement to user, improved the precision of its percussion, in operation process, also reduced greatly the risk of operation, improved the safety in whole operation process, in addition, the closed insurance institution arranging between securing rod assembly and nail supporting base assembly, on its stop button, there is the groove that stops coordinating with the auxiliary catch of nail supporting base, like this when closing up nail supporting base, auxiliary catch on nail supporting base mounting will hook stop button, make securing rod locking reliable, guarantee to perform the operation and can carry out smoothly.
Accompanying drawing explanation
Fig. 1 is the axonometric chart of linear cutting anastomat of the present invention;
Fig. 2 is the assembling explosive view of linear cutting anastomat of the present invention;
Fig. 3 is the axonometric chart of insurance adnexa of the present invention.
The specific embodiment
For content of the present invention is more easily expressly understood, according to specific embodiment also by reference to the accompanying drawings, the present invention is further detailed explanation below,
As shown in Figure 1 and 2, a kind of linear cutting anastomat, comprise nail bin groupware, nail supporting base assembly, assembly mounting 12, securing rod assembly and the firing lock that nail bin groupware is moved, nail supporting base assembly is arranged on assembly mounting 12 removably, nail bin groupware is arranged in assembly mounting 12, one end of securing rod assembly is hinged on nail supporting base assembly, firing lock comprises pushing block 4, knife bar 7, tiltedly carve 9, screw mandrel 2, transmission nut 3, turning handle 1 and screw mandrel holder 6, screw mandrel holder 6 is fixedly connected on the bottom of assembly mounting 12, the two ends of screw mandrel 2 can be rotated to support on respectively on screw mandrel holder 6, turning handle 1 is pegged graft with one end of screw mandrel 2, knife bar 7 and tiltedly carve 9 and be installed on pushing block 4, pushing block 4 is slidably mounted in assembly mounting 12, and pushing block 4 is fixedly connected with transmission nut 3, transmission nut 3 forms feed screw nut pair with screw mandrel 2.
As shown in Figure 1, 2, nail bin groupware comprises anastomosis staple, pushing slice of nail 11, cutter 10, cutter lid 23, nail bin 18, nail bin lid 22 and backing plate 19, anastomosis staple is arranged in nail bin 18, and on nail bin 18, have a plurality of nail holes that pass anastomosis staple, nail bin 18 also has cutter chute and pushing slice of nail mounting groove, cutter 10 are contained in cutter chute slidably, pushing slice of nail 11 is contained in pushing slice of nail mounting groove, cutter lid 23 is arranged on the tail end of nail bin 18, nail bin lid 22 be arranged on nail bin 18 above, backing plate 19 is arranged on the bottom surface of nail bin 18.
As shown in Figure 1, 2, nail supporting base assembly comprises nail supporting base mounting 20, silently 21 and securing rod assembly mounting blocks 24, silently 21 head ends that are arranged on nail supporting base mounting 20, have a plurality of nail forming tank on nail supporting base mounting 20, and securing rod assembly mounting blocks 24 is arranged on the middle part of nail supporting base mounting 20.
As shown in Figure 1, 2, securing rod assembly comprises securing rod 16 and lock enclosure 14, lock enclosure 14 covers on securing rod 16, securing rod 16 is hinged on nail supporting base assembly, on securing rod 16, there are two lock bracket 16-1, on each lock bracket 16-1, be provided with loose tongue groove 16-1-1, on described assembly mounting 12, in the position corresponding with loose tongue groove 16-1-1, alignment pin 17 be housed.
As shown in Figure 1, 2, between securing rod assembly and nail supporting base assembly, be provided with closed insurance institution, described closed insurance institution comprises stop button 13, spring 25 and the auxiliary catch 20-1 that is arranged on nail supporting base mounting 20 tail ends, stop button 13 and spring 25 are arranged in securing rod 16, on stop button 13, be also provided with coordinate with auxiliary catch 20-1 stop groove 13-1, one end of spring 25 is against on the front end of stop button 13, and when the other end of spring 25 props up securing rod 16 to presses stop button 13, under the extruding of spring 25, auxiliary catch 20-1 departs from and stops groove 13-1.
As shown in Figure 1, on pushing block 4, pointer 5 is housed.
As shown in Figure 3, between firing lock and assembly mounting 12, be provided with percussion locking mechanism, this percussion locking mechanism is an insurance adnexa 8, and insurance adnexa 8 has the first draw-in groove 8-1 that blocks turning handle 1, and insurance adnexa 8 also has the second draw-in groove 8-2 that blocks assembly mounting 12.
Alignment pin 17 can adopt cotter pilotage.
The present invention is suitable for the products of different specifications such as linear cutting anastomat 55,60,75,80,100,120,150.
The pitch of the screw mandrel of this linear cutting anastomat can adopt 4mm or 6mm or 8mm or 10mm or 12mm, but is not limited to this.
Operation principle of the present invention is as follows:
During operation, the securing rod assembly of linear cutting anastomat is fastened on nail supporting base assembly, hear that stop button 13 is clearly after closed prompting sound, expression apparatus cuts out, check again the original position of pointer 5, take away again insurance adnexa 8, hold apparatus and start to clockwise rotate handle 1, turning handle 1 drives screw mandrel 2 to rotate, screw mandrel 2 drives transmission nut 3 to move forward, transmission nut 3 drives pushing block 4 to move forward again, knife bar 7 on pushing block 4 drives cutter 10 to move forward, pushing slice of nail 11 is upwards action of anastomosis staple simultaneously, in nail forming tank, become B font, finally complete the whole firing action of working as, after completing, whether inspection pointer 5 is under final state, another mistake hour hands turning handle 1 makes pointer 5 get back to original position, finally open apparatus and complete operation.
Above-described specific embodiment; object of the present invention, technical scheme and beneficial effect are further described; institute is understood that; the foregoing is only specific embodiments of the invention; be not limited to the present invention; within the spirit and principles in the present invention all, any modification of making, be equal to replacement, improvement etc., within all should being included in protection scope of the present invention.

Claims (8)

1. a linear cutting anastomat, comprise nail bin groupware, nail supporting base assembly, assembly mounting (12), securing rod assembly and the firing lock that nail bin groupware is moved, nail supporting base assembly is arranged on assembly mounting (12) removably, nail bin groupware is arranged in assembly mounting (12), one end of securing rod assembly is hinged on nail supporting base assembly, it is characterized in that: described firing lock comprises pushing block (4), knife bar (7), tiltedly carve (9), screw mandrel (2), transmission nut (3), turning handle (1) and screw mandrel holder (6), screw mandrel holder (6) is fixedly connected on the bottom of assembly mounting (12), the two ends of screw mandrel (2) can be rotated to support on respectively on screw mandrel holder (6), turning handle (1) is pegged graft with one end of screw mandrel (2), knife bar (7) and tiltedly carve (9) and be installed on pushing block (4), pushing block (4) is slidably mounted in assembly mounting (12), and pushing block (4) is fixedly connected with transmission nut (3), transmission nut (3) forms feed screw nut pair with screw mandrel (2).
2. linear cutting anastomat according to claim 1, it is characterized in that: described nail bin groupware comprises anastomosis staple, pushing slice of nail (11), cutter (10), cutter lid (23), nail bin (18), nail bin lid (22) and backing plate (19), anastomosis staple is arranged in nail bin (18), and on nail bin (18), have a plurality of nail holes that pass anastomosis staple, nail bin (18) also has cutter chute and pushing slice of nail mounting groove, cutter (10) are contained in cutter chute slidably, pushing slice of nail (11) is contained in pushing slice of nail mounting groove, cutter lid (23) is arranged on the tail end of nail bin (18), nail bin lid (22) be arranged on nail bin (18) above, backing plate (19) is arranged on the bottom surface of nail bin (18).
3. linear cutting anastomat according to claim 1, it is characterized in that: described nail supporting base assembly comprises nail supporting base mounting (20), silently (21) and securing rod assembly mounting blocks (24), silently (21) are arranged on the head end of nail supporting base mounting (20), on nail supporting base mounting (20), have a plurality of nail forming tank, securing rod assembly mounting blocks (24) is arranged on the middle part of nail supporting base mounting (20).
4. linear cutting anastomat according to claim 1, it is characterized in that: described securing rod assembly comprises securing rod (16) and lock enclosure (14), lock enclosure (14) covers on securing rod (16), securing rod (16) is hinged on nail supporting base assembly, on securing rod (16), there are two lock bracket (16-1), in each lock bracket (16-1), be provided with loose tongue groove (16-1-1), described assembly mounting (12) is upper is equipped with alignment pin (17) in the position corresponding with loose tongue groove (16-1-1).
5. linear cutting anastomat according to claim 3, it is characterized in that: described securing rod assembly comprises securing rod (16) and lock enclosure (14), lock enclosure (14) covers on securing rod (16), securing rod (16) is hinged on nail supporting base assembly, on securing rod (16), there are two lock bracket (16-1), in each lock bracket (16-1), be provided with loose tongue groove (16-1-1), described assembly mounting (12) is upper is equipped with alignment pin (17) in the position corresponding with loose tongue groove (16-1-1).
6. linear cutting anastomat according to claim 5, it is characterized in that: between described securing rod assembly and nail supporting base assembly, be provided with closed insurance institution, described closed insurance institution comprises stop button (13), spring (25) and the auxiliary catch (20-1) that is arranged on nail supporting base mounting (20) tail end, described stop button (13) and spring (25) are arranged in securing rod (16), on stop button (13), be also provided with coordinate with auxiliary catch (20-1) stop groove (13-1), one end of spring (25) is against on the front end of stop button (13), when the other end of spring (25) props up securing rod (16) to presses stop button (13), under the extruding of spring (25), auxiliary catch (20-1) departs from and stops groove (13-1).
7. linear cutting anastomat according to claim 1, is characterized in that: pointer (5) is housed on described pushing block (4).
8. linear cutting anastomat according to claim 1, it is characterized in that: between described firing lock and assembly mounting (12), be provided with percussion locking mechanism, this percussion locking mechanism is an insurance adnexa (8), described insurance adnexa (8) has the first draw-in groove (8-1) that blocks turning handle (1), and described insurance adnexa (8) also has the second draw-in groove (8-2) that blocks assembly mounting (12).
CN201310089959.2A 2013-03-20 2013-03-20 Straight line cutting anastomat Active CN103126735B (en)

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Application Number Priority Date Filing Date Title
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Application Number Priority Date Filing Date Title
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CN103126735B true CN103126735B (en) 2014-10-29

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Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103381100B (en) * 2013-07-16 2015-04-15 施志文 Electric linear type cutter stapler
CN108135604B (en) * 2015-07-30 2022-02-18 伊西康有限责任公司 Surgical instrument including system for bypassing operational steps of the surgical instrument
CN109552564A (en) * 2018-12-27 2019-04-02 滨州职业学院 A kind of vessel berth pulls in shore device
CN110123402B (en) * 2019-05-20 2020-07-28 河南省健琪医疗器械有限公司 Linear type cutting anastomat
CN112472184A (en) * 2020-11-27 2021-03-12 常州安康医疗器械有限公司 Anorectal anastomat for preventing anastomotic stenosis
CN115969443B (en) * 2022-12-30 2024-03-12 宝玛医疗科技(无锡)有限公司 Anastomat capable of preventing false firing of cutting knife

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4442964A (en) * 1981-12-07 1984-04-17 Senco Products, Inc. Pressure sensitive and working-gap controlled surgical stapling instrument
EP1671593A1 (en) * 2002-10-04 2006-06-21 Tyco Healthcare Group Lp Tool assembly for surgical stapling device
CN102151157A (en) * 2011-03-14 2011-08-17 常州市三联星海医疗器械制造有限公司 Accurate closed space indicating device for anastomat and stitching instrument and indication method thereof
CN202446168U (en) * 2012-01-10 2012-09-26 常州市康迪医用吻合器有限公司 Linear type cutting anastomat for surgical department
CN203169239U (en) * 2013-03-20 2013-09-04 常州市延陵电子设备有限公司 Straight line incision anastomat

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4442964A (en) * 1981-12-07 1984-04-17 Senco Products, Inc. Pressure sensitive and working-gap controlled surgical stapling instrument
EP1671593A1 (en) * 2002-10-04 2006-06-21 Tyco Healthcare Group Lp Tool assembly for surgical stapling device
CN102151157A (en) * 2011-03-14 2011-08-17 常州市三联星海医疗器械制造有限公司 Accurate closed space indicating device for anastomat and stitching instrument and indication method thereof
CN202446168U (en) * 2012-01-10 2012-09-26 常州市康迪医用吻合器有限公司 Linear type cutting anastomat for surgical department
CN203169239U (en) * 2013-03-20 2013-09-04 常州市延陵电子设备有限公司 Straight line incision anastomat

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Effective date of registration: 20170223

Address after: Tianning District 213114 Jiangsu city of Changzhou province Zheng Lu peaceful industrial zone (Heng Road No. 8)

Patentee after: Changzhou Health Microport Medical Device Co., Ltd.

Address before: 213114 Jiangsu city of Changzhou province Wujin Economic Development Zone, Road No. 23

Patentee before: Changzhou Yanling Electronic Equipment Co., Ltd.