WO2017114278A1 - 钉头部及包括所述钉头部的手术吻合器 - Google Patents
钉头部及包括所述钉头部的手术吻合器 Download PDFInfo
- Publication number
- WO2017114278A1 WO2017114278A1 PCT/CN2016/111458 CN2016111458W WO2017114278A1 WO 2017114278 A1 WO2017114278 A1 WO 2017114278A1 CN 2016111458 W CN2016111458 W CN 2016111458W WO 2017114278 A1 WO2017114278 A1 WO 2017114278A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- anvil
- staple cartridge
- cutter
- tissue
- extension member
- Prior art date
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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
- A61B17/068—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
- A61B17/07207—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 the staples being applied sequentially
-
- 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
- A61B17/3209—Incision instruments
-
- 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
-
- 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
- A61B2017/07221—Stapler heads curved
-
- 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
- A61B2017/07271—Stapler heads characterised by its cartridge
-
- 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
- A61B2017/07278—Stapler heads characterised by its sled or its staple holder
-
- 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
Definitions
- the invention belongs to the field of medical instruments, and relates to a nail head and a surgical stapler including the nail head.
- the stapler is a medical device that replaces manual suture. It is widely used in surgical anastomosis of the digestive tract physiological tissues such as the intestine.
- the main working principle is to use the cutter and the staple to break and anastomize the tissue.
- the surgical stapler includes a staple cartridge assembly, an anvil, a closure mechanism, and a firing mechanism
- the staple cartridge assembly includes a staple cartridge that houses a staple and a cutter, wherein generally at least one row of anastomosis is provided on either side of the cutter
- the anvil includes an anvil;
- the closure mechanism is adapted to allow the staple cartridge and the anvil to be in proximity to each other to clamp the contained tissue between the staple cartridge and the anvil;
- the firing mechanism is used to fire the staple and cut
- the knives are pushed out of the staple cartridge and advanced to the anvil to effect cutting and stitching of the tissue sandwiched between the staple cartridge and the anvil.
- the cutter will penetrate the tissue and completely break the tissue as it is fired from the staple cartridge to the anvil.
- the tissue is squeezed by the staple cartridge and the anvil, which is easily crushed, causing the tissue at both ends to overflow, and the cutter cannot break the overflow tissue at both ends, thereby causing the problem that the tissue cannot be completely cut off. .
- the nail head includes a staple cartridge assembly, an anvil, and a tissue retaining mechanism
- the staple cartridge assembly includes a staple cartridge and is movably disposed on the staple a cutting knife in the cartridge
- the anvil comprising an anvil and an anvil at a distal end of the staple cartridge, the cutting anvil being provided with a cutting washer corresponding to the cutter
- the cutter can be actuated Extending from the staple cartridge and traveling to the cutting washer
- the staple cartridge is movable relative to the anvil between a spaced apart position and an adjacent position
- the tissue retaining mechanism comprises A first extension and a second extension that can hold tissue between the ends of the cutting washer, the first extension being disposed within the staple cartridge and actuatable from the staple cartridge Extending to the anvil
- the second extension is fixedly disposed on the anvil and extends from the anvil to the staple cartridge
- the inner side of the second extension member in contact with the tissue a lengthwise guiding structure, the cutting knife extending
- Another object of the present invention is to provide a surgical stapler including an instrument body, a handle portion disposed at a proximal end of the body, and a nail head disposed at a distal end of the body, wherein the nail head includes a cartridge assembly, an anvil, and a tissue retaining mechanism; the cartridge assembly including a staple cartridge and a cutter movably disposed within the staple cartridge; the anvil including an anvil at a distal end of the staple cartridge and An anvil having a cutting washer corresponding to the cutter; the cutter being operatively projectable from the staple cartridge and traveling to the cutting washer; the staple cartridge is opposite The anvil can be moved relative to each other between a spaced apart position and an adjacent position; the tissue retaining mechanism includes a first extension and a second that can hold tissue between the ends of the cutting washer An extension member, the first extension member being disposed in the staple cartridge and operatively extending from the staple cartridge to the anvil; the second extension member being fixedly disposed on the anvil And extending from the anvil to the
- the nail head and surgical stapler of the present invention can better achieve complete disconnection of tissue during operation.
- FIG. 1 is a perspective view of a surgical stapler according to Embodiment 1 of the present invention.
- Figure 2 is a perspective view of the surgical stapler in a closed state according to Embodiment 1 of the present invention
- Figure 3 is an exploded view of a nail head of a surgical stapler according to Embodiment 1 of the present invention.
- Figure 4 is a perspective view of the anvil shown in Figure 3.
- the words expressing position and orientation described in the present invention are referenced by the operator of the device, with one end near the operator being the proximal end and one end remote from the operator being the distal end.
- the axial direction refers to the length direction from the proximal end to the distal end.
- a surgical stapler according to Embodiment 1 of the present invention is shown, which includes an instrument body 100, a handle portion 200 disposed at a proximal end of the body 100, and a nail head 300 disposed at a proximal end of the body 100.
- the instrument body 100 includes a stent 101 having a distal end and a proximal end.
- the handle portion 200 includes a grip 201 and the like held by a surgeon by hand.
- the staple head 300 includes a staple cartridge assembly 1, an anvil 2, and a tissue retaining mechanism.
- the nail head 300 is curved, and the surgical stapler is a curved stapler.
- the nail head 300 includes a support for mounting and mounting the cartridge assembly 1 and an anvil. 2 U-shaped support structure 3.
- the nail head 300 can be designed as a multiple firing device with a replaceable cartridge assembly 1 or as a single firing device.
- the cartridge assembly 1 is relatively movable relative to the anvil 2 between a spaced apart position and an adjacent position.
- the surgical stapler shown in Figure 1 is in an open state with the cartridge assembly 1 in the spaced apart position relative to the anvil 2 to place tissue between the cartridge assembly 1 and the anvil 2.
- the surgical stapler shown in Figure 2 is in a closed state with the cartridge assembly 1 in the approximated position relative to the anvil 2 to position and clamp the tissue therebetween.
- the cartridge assembly 1 includes a staple cartridge 11 and a cutter 12 movably disposed within the staple cartridge 11.
- the anvil 2 includes an anvil 21 and an anvil 22 disposed at the distal end of the staple cartridge 11, and the anvil 21 is provided with a cutting washer 211 corresponding to the cutter 12.
- the anvil 21 is located at the distal end of the anvil 22 and is detachably fixedly coupled to the anvil 22.
- the anvil 22 is provided with a nail forming region and a through hole is formed thereon (the through hole may be located at the center of the nail forming region). Therefore, when the anvil 22 is coupled to the anvil 21, the through hole exposes the cutting washer 211, whereby the anvil 2 has both the cutting washer 211 and the surrounding of the cutting washer 211 on the proximal end surface facing the staple cartridge 11. Nail forming area.
- the cutter 12 can be actuated from within the staple cartridge 11 and travel to the cutting washer 211.
- the body 100 and the handle portion 200 are designed to have a closing mechanism that allows the staple cartridge 11 and the anvil 2 to be close to each other and a firing mechanism for firing the staple and the cutter 12.
- the handle portion 200 includes a trigger 202 pivotally extending from the body 100.
- the trigger 202 is associated with the closure mechanism on actuation and is also associated with actuation of the firing mechanism.
- the staple cartridge 11 is in an open position to place tissue between the staple cartridge 11 and the anvil 2.
- the trigger 202 moves toward the grip 201, thereby driving the closure mechanism to move the staple cartridge 11 toward the anvil 2.
- the staple cartridge 11 is in the closed position, and the staple cartridge face at the distal end of the staple cartridge 11 is adjacent to the proximal end surface of the anvil 2 to position and retain the tissue.
- the firing mechanism pushes the cutter 12 and staples out of the staple cartridge 11 and fires the cutting washer 211 and the staple forming region of the anvil 2, respectively, to cut and staple the tissue.
- the handle portion 200 includes two triggers (a closure trigger and a firing trigger) that are associated with actuation of the closure mechanism and the firing mechanism, respectively.
- the tissue retaining mechanism includes a first extension 14 and a second extension 212 that can hold tissue between the ends of the cutting washer 211.
- the tissue Clamped between the distal staple cartridge face of the staple cartridge 11 and the proximal end face of the anvil 2 in the thickness direction the ends of the tissue are constrained and retained by the first extension member 14 and the second extension member 212, thereby The both ends of the tissue are held between the ends of the cutting washer 211 so that the tissue does not overflow beyond the cutting washer 211 due to over-squeezing, whereby the cutter 12 can be completely restrained from being constrained at both ends of the cutting washer 211 Between the organizations.
- the first extension member 14 is disposed within the staple cartridge 11 and is actuatablely telescopic to have a retracted position for retracting the staple cartridge 11 and extending from the staple cartridge 11 to the anvil 2 extended position.
- the first extension 14 is associated with the above-described closure mechanism, and the trigger 202 drives the closure mechanism such that the staple extension 11 moves from the anvil 2 to the closed position, the first extension 14 from the staple cartridge 11 extends out to the anvil 2.
- the first extension 14 can also be actuated manually.
- the first extension member 14 is an alignment pin, and when the alignment pin 14 protrudes to the anvil 2, the alignment pin 14 cooperates with the anvil 2 to achieve positional alignment.
- the alignment pin 14 is aligned with the position on the anvil 2 at one end side of the cutting washer 211.
- the alignment pin 14 can have a pointed pin head.
- a corresponding slot/hole (not shown) can be disposed on one end side of the cutting washer 211.
- the pin head cooperates with the slot to achieve alignment.
- the alignment structure can achieve the positional alignment of the staple cartridge 11 and the anvil 2.
- the staple cartridge surface at the distal end of the staple cartridge 11 can be aligned with the staple forming region on the anvil 22, and more importantly, In terms, the positional alignment of the cutter 12 with the cutting washer 211 is better achieved.
- the second extension member 212 is fixedly disposed on the anvil 21 and extends from the anvil 21 to the staple cartridge 11; the inner side of the second extension member 212 in contact with the tissue is provided with a lengthwise guide. Structure 212C, during the process in which cutter 12 projects from staple cartridge 11 and travels to cutting washer 211, one end of cutter 12 slides along guide structure 212C to cutting washer 211.
- the guiding structure 212C is a chute.
- the distal end of the chute 212C is formed at the other end of the cutting washer 211, so that the cutter 12 slides along the chute 212C onto the cutting washer 211, thereby better aligning the position of the cutter 12 with the cutting washer 211 to completely Cut the tissue.
- the second extension member 212 is integrally formed with the anvil 21.
- the inner side of the second extension member 212 in contact with the tissue is in the shape of a rib, and the inside of the rib forms a chute 212C. While the ribs restrain and block the tissue, one end of the cutter 12 slides in the sliding groove 212C inside the rib. With such a structure, the cutting edge of the cutter can be covered during the cutting process. The tissue blocked by the ribs, thereby completely breaking the tissue and preventing the occurrence of tissue adhesion (not completely cut).
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- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Surgery (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)
- Surgical Instruments (AREA)
Abstract
Description
Claims (10)
- 一种钉头部,用于手术吻合器,其中,所述钉头部包括钉仓组件、砧座和组织保持机构;所述钉仓组件包括钉仓和可移动地设置在所述钉仓内的切刀;所述砧座包括位于所述钉仓远端的钉砧和刀砧,所述刀砧上设有与所述切刀对应的切割垫圈;所述切刀能够被致动地从所述钉仓内伸出并行进至所述切割垫圈;所述钉仓相对于所述砧座能够在一个相间隔位置和一个相接近位置之间进行相对运动;所述组织保持机构包括能够将组织保持在所述切割垫圈的两端之间的第一延伸件和第二延伸件,所述第一延伸件设置在所述钉仓内,且能够被致动地从所述钉仓延伸至所述刀砧;所述第二延伸件固定设置在所述的刀砧上、且从所述刀砧向所述钉仓延伸;所述第二延伸件的与组织接触的内侧上设有一沿长度方向导引结构,在所述切刀从所述钉仓内伸出并行进至所述切割垫圈的过程中,所述切刀的一端部沿所述导引结构滑动至所述切割垫圈。
- 如权利要求1所述的钉头部,其特征在于:所述导引结构为一滑槽。
- 如权利要求2所述的钉头部,其特征在于:所述第二延伸件的与组织接触的内侧呈现凸条状,且在该凸条内部形成所述滑槽。
- 如权利要求1所述的钉头部,其特征在于:所述第二延伸件与所述刀砧一体成型。
- 如权利要求1至4中任意一项所述的钉头部,其特征在于:所述第一延伸件为对准销。
- 一种手术吻合器,其包括器械本体、设置在所述本体近端的手柄部和设置在所述本体远端的钉头部,其中,所述钉头部包括钉仓组件、砧座和组织保持机构;所述钉仓组件包括钉仓和可移动地设置在所述钉仓内的切刀;所述砧座包括位于所述钉仓远端的钉砧和刀砧,所述刀砧上设有与所述切刀对应的切割垫圈;所述切刀能够被致动地从所述钉仓内伸出并行进至所述切割垫圈;所述钉仓相对于所述砧座能够在一个相间隔位置和一个相接近位置之间进行相对运动;所述组织保持机构包括能够将组织保持在所述切割垫圈的两端之间的第一延伸件和第二延伸件,所述第一延伸件设置在所述钉仓内,且能够被致动地从所述钉仓延伸至所述刀砧;所述第二延伸件固定设置在所述的刀砧上、且从所述刀砧向所述钉仓延伸;所述第二延伸件的与组织接触的内侧上设有一沿长度方向导引结构,在所述切刀从所述钉仓内伸出并行进至所述切割垫圈的过程中,所述切刀的一端部沿所述导引结构滑动至所述切割垫圈。
- 如权利要求6所述的手术吻合器,其特征在于:所述导引结构为一滑槽。
- 如权利要求7所述的手术吻合器,其特征在于:所述第二延伸件的与组织接触的内侧呈现凸条状,且在该凸条内部形成所述滑槽。
- 如权利要求6所述的手术吻合器,其特征在于:所述第二延伸件与所述刀砧一体成型。
- 如权利要求6至9中任意一项所述的手术吻合器,其特征在于:所述第一延伸件为对准销。
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
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BR212018013194U BR212018013194U2 (pt) | 2015-12-31 | 2016-12-22 | porção de cabeça de grampo e grampeador cirúrgico que compreende a mesma |
DE212016000260.0U DE212016000260U1 (de) | 2015-12-31 | 2016-12-22 | Nagelkopfabschnitt und chirurgischer Hefter mit dem Nagelkopfabschnitt |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201511027742.4A CN106923875A (zh) | 2015-12-31 | 2015-12-31 | 一种手术吻合器 |
CN201511027742.4 | 2015-12-31 |
Publications (1)
Publication Number | Publication Date |
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WO2017114278A1 true WO2017114278A1 (zh) | 2017-07-06 |
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ID=59225925
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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PCT/CN2016/111458 WO2017114278A1 (zh) | 2015-12-31 | 2016-12-22 | 钉头部及包括所述钉头部的手术吻合器 |
Country Status (4)
Country | Link |
---|---|
CN (1) | CN106923875A (zh) |
BR (1) | BR212018013194U2 (zh) |
DE (1) | DE212016000260U1 (zh) |
WO (1) | WO2017114278A1 (zh) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
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CN107242889A (zh) * | 2017-07-28 | 2017-10-13 | 广西壮族自治区人民医院 | 一种荷包缝合切割闭合器 |
CN109480941A (zh) * | 2018-12-28 | 2019-03-19 | 江苏钱璟医疗器械有限公司 | 一种镜下带刀式吻合组件 |
CN110151243A (zh) * | 2019-06-25 | 2019-08-23 | 江苏孜航精密五金有限公司 | 一次性使用弧线形切割吻合器的空钉仓保险装置 |
CN113876378A (zh) * | 2021-10-15 | 2022-01-04 | 苏州贝诺医疗器械有限公司 | 一种方便调节弧度的弧形切割吻合器 |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
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CN106923875A (zh) | 2015-12-31 | 2017-07-07 | 苏州天臣国际医疗科技有限公司 | 一种手术吻合器 |
CN108403177A (zh) * | 2018-04-30 | 2018-08-17 | 盈甲医疗器械制造(上海)有限公司 | 一种具有切割机构的吻合器 |
US11259804B2 (en) * | 2018-12-31 | 2022-03-01 | Cilag Gmbh International | Frame for surgical stapler and associated method of manufacture with stamping |
EP4312811A1 (en) * | 2021-03-30 | 2024-02-07 | Covidien LP | Surgical stapling device including a loading unit alignment indicator |
EP4312812A1 (en) * | 2021-03-31 | 2024-02-07 | Covidien LP | Stapling device with end effector having bottom guide member |
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2015
- 2015-12-31 CN CN201511027742.4A patent/CN106923875A/zh active Pending
-
2016
- 2016-12-22 DE DE212016000260.0U patent/DE212016000260U1/de active Active
- 2016-12-22 WO PCT/CN2016/111458 patent/WO2017114278A1/zh active Application Filing
- 2016-12-22 BR BR212018013194U patent/BR212018013194U2/pt not_active Application Discontinuation
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CN107242889A (zh) * | 2017-07-28 | 2017-10-13 | 广西壮族自治区人民医院 | 一种荷包缝合切割闭合器 |
CN107242889B (zh) * | 2017-07-28 | 2023-02-28 | 广西壮族自治区人民医院 | 一种荷包缝合切割闭合器 |
CN109480941A (zh) * | 2018-12-28 | 2019-03-19 | 江苏钱璟医疗器械有限公司 | 一种镜下带刀式吻合组件 |
CN110151243A (zh) * | 2019-06-25 | 2019-08-23 | 江苏孜航精密五金有限公司 | 一次性使用弧线形切割吻合器的空钉仓保险装置 |
CN110151243B (zh) * | 2019-06-25 | 2024-01-12 | 江苏孜航精密五金有限公司 | 一次性使用弧线形切割吻合器的空钉仓保险装置 |
CN113876378A (zh) * | 2021-10-15 | 2022-01-04 | 苏州贝诺医疗器械有限公司 | 一种方便调节弧度的弧形切割吻合器 |
CN113876378B (zh) * | 2021-10-15 | 2023-03-21 | 苏州贝诺医疗器械有限公司 | 一种方便调节弧度的弧形切割吻合器 |
Also Published As
Publication number | Publication date |
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DE212016000260U1 (de) | 2018-08-22 |
CN106923875A (zh) | 2017-07-07 |
BR212018013194U2 (pt) | 2018-10-09 |
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