WO2021120462A1 - 一种微创手术的辅助装置 - Google Patents
一种微创手术的辅助装置 Download PDFInfo
- Publication number
- WO2021120462A1 WO2021120462A1 PCT/CN2020/084577 CN2020084577W WO2021120462A1 WO 2021120462 A1 WO2021120462 A1 WO 2021120462A1 CN 2020084577 W CN2020084577 W CN 2020084577W WO 2021120462 A1 WO2021120462 A1 WO 2021120462A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- auxiliary device
- minimally invasive
- invasive surgery
- clamping part
- control
- Prior art date
Links
- 238000002324 minimally invasive surgery Methods 0.000 title claims abstract description 38
- 239000004020 conductor Substances 0.000 claims description 6
- 238000001356 surgical procedure Methods 0.000 abstract description 6
- 210000001519 tissue Anatomy 0.000 description 29
- 238000010586 diagram Methods 0.000 description 21
- 239000011324 bead Substances 0.000 description 9
- 238000000034 method Methods 0.000 description 7
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 6
- 230000003902 lesion Effects 0.000 description 6
- 229910052719 titanium Inorganic materials 0.000 description 6
- 239000010936 titanium Substances 0.000 description 6
- 230000009471 action Effects 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 3
- 238000001839 endoscopy Methods 0.000 description 3
- 230000005389 magnetism Effects 0.000 description 3
- 230000013011 mating Effects 0.000 description 3
- 210000004400 mucous membrane Anatomy 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 238000012323 Endoscopic submucosal dissection Methods 0.000 description 2
- 238000004873 anchoring Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000001079 digestive effect Effects 0.000 description 1
- 210000001035 gastrointestinal tract Anatomy 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 210000004877 mucosa Anatomy 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000002627 tracheal intubation Methods 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/02—Surgical instruments, devices or methods, e.g. tourniquets for holding wounds open; Tractors
- A61B17/0218—Surgical instruments, devices or methods, e.g. tourniquets for holding wounds open; Tractors for minimally invasive surgery
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/00234—Surgical instruments, devices or methods, e.g. tourniquets for minimally invasive surgery
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/00234—Surgical instruments, devices or methods, e.g. tourniquets for minimally invasive surgery
- A61B2017/00238—Type of minimally invasive operation
- A61B2017/00269—Type of minimally invasive operation endoscopic mucosal resection EMR
Definitions
- the invention relates to the field of medical equipment, and in particular to an auxiliary device for ESD minimally invasive surgery.
- ESD endoscopic submucosal dissection, Endoscopic Submucosal Dissection
- the magnetic beads themselves are not permanently fixed to the titanium clamps, but when the titanium clamps are used to clamp biological tissues, the independent magnetic beads are hung on a closed loop formed by the front section of the clamp.
- the doctor has slightly improper operation , It may not be possible to clamp the magnetic beads on the titanium clamp, and the magnetic beads must be considered when clamping biological tissues, which is difficult to operate.
- the size of the biological tissue in the body is large and a large traction force is required, it is inconvenient to transport the magnetic beads into the body multiple times.
- Chinese patent application 2015106619645 discloses an auxiliary device for minimally invasive surgery and a control method thereof. It provides an auxiliary device for minimally invasive surgery for pulling the lesion.
- the auxiliary device for minimally invasive surgery includes a body The device and the extracorporeal device.
- the extracorporeal device includes an extracorporeal magnetism generating device that can provide a rotatable magnetic field.
- the intracorporeal device includes an intracorporeal magnet that can be connected to the lesion by a fixing method. The intracorporeal magnet can be due to the direction of the rotatable magnetic field of the extracorporeal magnetism generating device.
- the lesion can move at a controllable speed and/or at a controllable angle as the direction of the rotatable magnetic field of the external magnetic generating device changes.
- the device can be operated by doctors to a certain extent, the solution of the device still uses swing knot, semi-collusion or slip knot to anchor biological tissues, the accuracy of anchoring is relatively low, and the practicability is not strong.
- the purpose of the present invention is to develop a minimally invasive surgical auxiliary device capable of accurately anchoring biological tissues, which is convenient for doctors to operate and improves surgical efficiency.
- the present invention mainly relates to an auxiliary device for minimally invasive surgery.
- the magnet and clip of the auxiliary device are permanently fixed.
- the magnet can be delivered multiple times according to the actual traction force, so that the biological tissue can be pulled by an appropriate external force, which solves the problem of current doctors cutting Biological tissue is inconvenient, the boundary of the diseased tissue is difficult to distinguish, the cutting of the diseased tissue is inaccurate, and the operation efficiency is not high.
- An auxiliary device for minimally invasive surgery comprising a clamping part, a locking part, a control wire, a bendable catheter, and a control part, wherein
- the clamping part is arranged at the front end of the auxiliary device, and the front end of the clamping part is equipped with an opening and closing device for grasping and pulling the diseased tissue;
- the locking part is connected to the clamping part. It is provided with a locking groove for locking the clamping part.
- the locking part further includes a small magnet arranged at the end of the locking part for generating a magnetic field in the body and interacting with the external magnetic field , Provide force to pull biological tissue;
- Control line connected to the locking part, used to control the opening and closing of the clamping part
- the bendable conduit is used to house the control wire, and is used to provide an axial sliding channel for the control wire;
- the control part is connected with the bendable catheter and the locking part, and is used to control the locking part and the clamping part to perform biological tissue operations through the control line.
- the clamping portion includes at least two pliers arms, and at least one of the pliers arms can rotate.
- the small magnet is elongated or cylindrical.
- clamping part can be made of a magnetically conductive material.
- the locking part can also be made of magnetically conductive material.
- control part further includes a handle body, a handle sliding body and a front end of the handle, wherein
- the handle body is provided with a guide groove, which is used to restrict the movement of the handle sliding body in the guide groove;
- the handle sliding body is connected with the rear end of the control line, and is used to control the opening and locking of the clamping part.
- the handle sliding body can be a push-pull type or a scissors type;
- the front end of the handle is used to fix the rear end of the bendable catheter, which is connected with the handle body to realize axial rotation.
- clamping portion is further provided with a connecting rod and a hinge pin, the connecting rod has a protrusion, and the connecting rod and the hinge pin can be integrally formed.
- control line is further provided with a wishbone, and the wishbone can be arranged on one side or on both sides.
- the small magnet is a permanent magnet, and its shape can be a long strip or a cylindrical shape.
- the locking groove may have a stepped structure.
- an open circular groove is further provided at the end of the control line, and the circular groove may be closed or open.
- control wire is also provided with an oblong groove, which is used to cooperate with the elastic buckle provided at the front end of the bendable catheter.
- the front end of the bendable catheter has weak magnetism.
- the auxiliary device for minimally invasive surgery of the present invention can accurately anchor biological tissues, facilitate the operation of doctors, improve the efficiency of surgery, and increase the success rate of ESD surgery, and can deliver spare magnets through the endoscopic channel when the magnetic force of the small magnet is insufficient
- the spare magnet is connected in series with the small magnet of the clamping part by magnetic force to further improve the magnetic force and grasping force.
- Figure 1 Schematic diagram of the initial state of the auxiliary device for minimally invasive surgery of the present invention.
- Figure 2 Schematic diagram of the open state of the auxiliary device for minimally invasive surgery of the present invention.
- Figure 3 Schematic diagram of the locked state of the auxiliary device for minimally invasive surgery of the present invention.
- Figure 4 A cross-sectional view of the front end of the clip of the auxiliary device for minimally invasive surgery of the present invention.
- Figure 5 A schematic diagram of the clamping part of the auxiliary device for minimally invasive surgery of the present invention.
- Fig. 6 A schematic diagram of the connecting rod of the auxiliary device for minimally invasive surgery of the present invention.
- Figure 7 Schematic diagram of the clip cylinder of the auxiliary device for minimally invasive surgery of the present invention.
- Figure 8 Schematic diagram of the control line of the auxiliary device for minimally invasive surgery of the present invention.
- Fig. 9 A schematic diagram of the front end of the bendable catheter of the auxiliary device for minimally invasive surgery of the present invention.
- Figure 10 Schematic diagram of the spare magnet of the auxiliary device for minimally invasive surgery of the present invention.
- Figure 11 A schematic diagram of the combination of a spare magnet and a clip of the auxiliary device for minimally invasive surgery of the present invention.
- Figure 12 A schematic diagram of the working process of the auxiliary device for minimally invasive surgery of the present invention.
- Figures 1 to 3 are a schematic diagram of the initial state, a schematic diagram of an open state, and a schematic diagram of a locked state of the auxiliary device for minimally invasive surgery of the present invention.
- Figure 4 is a cross-sectional view of the front end of the clip of the auxiliary device for minimally invasive surgery of the present invention.
- 5 Schematic diagram of the clamping part of the auxiliary device.
- the auxiliary device for minimally invasive surgery includes:
- the clamping part 01 is equipped with an opening and closing device at its front end for grasping and pulling the diseased tissue.
- the clamping part 01 has at least two clamp arms, and at least one of the two clamp arms can rotate and move through the body.
- the operation realizes opening and closing.
- the clamping part 01 is provided with a sliding groove 0101 and a hinge hole 0102 for locking.
- the sliding groove 0101 has a sliding groove front end 0103 and a sliding groove rear end 0104.
- the auxiliary device has at least one connecting rod 02.
- the connecting rod 02 is further provided with a front hinge hole 0201, a rear hinge hole 0202, and a connecting rod protrusion 0203.
- the connecting rod protrusion 0203 can also be provided on the clamping part 01, or Both the connecting rod 02 and the clamping portion 01 are provided with protrusions, and the clamping portion can also be made of a magnetically conductive material.
- the locking part is composed of a clip cylinder 03.
- the locking part can be made of a magnetically conductive material for locking the clamping part 01.
- the clip cylinder 03 is provided with a number of round holes and openings.
- the groove includes a locking groove 0301, a locking groove 0302, a connecting rod protrusion 0303, and a locking groove surface 0304.
- the locking groove can be a general through hole with an unlimited shape or a stepped structure.
- the locking portion can further include a locking portion provided The small magnet 04 at the end is used to generate a magnetic field in the body and interact with the external magnetic field to provide a force to pull biological tissues.
- control line 08 is used to control the opening and closing of the clamping part 01.
- the front end of the control line 08 is an open circular groove 0801, which is directly physically connected to the rear pin 07 Connection, the open circular groove 0801 can also be a closed circular groove, the rear end of the control line 0804 is connected to the handle sliding body 11, and the opening and closing of the clamping part 01 is controlled by the sliding handle sliding body 11.
- the control line 08 is further provided with an oblong groove 0802, the oblong slot front end 0803 and the wishbone 0805, the wishbone 0805 can also be unilaterally arranged on the appropriate part of the control line 08, or the control line 08 can be directly passed through the central through hole of the small magnet 04.
- the bendable conduit 09 is used to provide an axial sliding channel for the control line.
- the bendable conduit 09 is processed by a spring-type winding method, which is easy to achieve certain bending.
- the front end of the spring wire 0901 is composed of a concave-convex spring body.
- the front end of the concave-convex part has a spring buckle, which is connected to the clip cylinder 03.
- the back end of the concave-convex part is connected to the bendable catheter body through a ring-shaped concave-convex structure, which can realize the shaft
- the front end of the spring wire 0901 is pre-magnetized to make it have N pole and S pole.
- the front end of the spring wire 0901 further includes a spring buckle oblique arm 09011, a spring buckle mating surface 09012, a spring buckle 09013 and elastic components 09014, the rear end of the bendable pipe 09 is fixedly connected with the front end of the control handle 12, and the oblong groove 0802 and the spring buckle 09013 are distributed in a staggered manner.
- the control part is composed of the handle body 10, the handle sliding body 11 and the front end 12 of the handle. It has a guide groove structure to restrict the movement of the handle sliding body in the guide groove.
- the control part has a handshake part to facilitate the operator's hand-held operation.
- handle The sliding body 11 is fixedly connected to the rear end 0804 of the control line, and is used to control the opening and closing of the clamping part 01 and lock the clamping part.
- the shape of the handle sliding body 11 can be a push-pull type, a scissors type or other types.
- a spring 13 is arranged between the front end of the handle sliding body 11 and the sliding groove of the handle body 10, and its initial state is in a moderately compressed state, which can provide a certain rebound force to promote the clamping portion 01 in a pre-tensioned state.
- the front end 12 of the handle is used to fix the rear end of the spring wire and is connected to the main body 10 of the control handle.
- the front end 12 of the handle can be constrained to translate around the axial direction and rotate freely in the axial direction.
- the small magnet 04 is set at the end of the locking part and is used to generate a magnetic field in the body and interact with the external magnetic field to provide a force to pull biological tissues.
- Its cross-sectional shape can be round or polygonal.
- the shape of the small magnet It can be elongated or cylindrical or other suitable shapes, and the present invention does not limit this.
- the front end pin 05 is used to guide the sliding groove 0101 at the front end of the clamping part 01.
- the hinge pin 06 is used for the hinge connection between the connecting rod 02 and the clamping part 01.
- the connecting rod 02 and the hinge pin 06 can be two independent parts, or they can be integrally formed parts.
- the rear end pin 07 is used to connect the control line 08 and the connecting rod 02.
- the collar 14 is used to restrict the fork of the front end of the spring wire 0901 from sliding axially along the rear end pin 07, and at the same time, it can improve the rigidity of the rear end pin 07, which is beneficial to the separation of the fork of the front end of the spring wire 0901 from the short pin.
- the spare magnet 15 can be a small magnet, which can be attached to the tail of the auxiliary device as required to enhance the auxiliary device in the body.
- the magnetic traction force, the number of spare magnets 15 and the length of a single spare magnet 15 are not limited.
- the auxiliary device can be pulled by a suitable external force under the force of an external magnetic field, which is convenient for the doctor to lift and cut the diseased mucosal tissue and accurately cut the biological tissue. Improve the efficiency of surgery.
- the sliding groove 0101 of the clamping part 01 is connected by the front pin 05, the hinge hole 0102 of the clamping part 01 is hinged with the front hinge hole 0201 of the connecting rod 02 through the hinge pin 06, and then the rear hinge hole 0202 of the connecting rod 02 They are respectively connected to the open circular groove 0801 at the front end of the control line through the back end pin 07, the back end of the control line 0804 is clamped into the handle sliding body 11, and the bendable conduit 09 provides a channel for the control line 08 and the front end of the spring line 0901 buckle Clamp into the clamping groove 0302 of the clip cylinder 03, the elastic buckle mating surface 09012 is attached to the clamping groove surface of the clip cylinder 03, and the connecting rod protrusion 0303 is attached to the elastic member 09014 on both sides to complete the bendable conduit 09 and the clip cylinder The initial state of the body 03 is connected.
- the auxiliary device of the present invention is integrated with the handle through the control line 08 and the bendable conduit 09, and the clamping part of the auxiliary device is in a closed state.
- the clamping part 01 reaches the biological tissue through the endoscopic channel, push the handle sliding body 11 to the front end, and the clamping part 01 will open. At this time, pull the handle sliding body 11 to the rear end, and the clamping part 01 starts to close.
- the clamping part 01 accurately clamps the biological tissue
- continue to pull the handle sliding body 11 to the rear end drive the connecting rod 02 through the control line 08, and then drive the clamping part 01 to continue through the guide of the slide groove 0101 and the front pin 05 The rear end slides.
- the rear-end pin 07 is driven by the control line 08 to continue to move to the rear end.
- the clamping part 01 can no longer move back.
- the rear pin 07 is separated from the open circular groove 0801 of the control wire 08; further pulling the handle sliding body 11, the front end 0803 of the long circular groove of the control wire 08 will be with the spring The spring buckle oblique arm 09011 at the front end of the line 0901 is in contact.
- control line 08 when the control line 08 continues to move to the rear end, it will further press the spring buckle oblique arm 09011, and then drive the spring buckle mating surface 09012 and the clip cylinder 03 to lock
- the groove 0302 separates, and the control wire 08 continues to move to the rear end, pressing the entire spring buckle 09013 on the front end of the spring wire 0901 to plastically deform until it is pulled into the cavity of the front end of the spring wire 0901.
- the bendable catheter 09 is separated from the clip cylinder 03, and the bendable catheter 09 will be taken out of the body through the endoscopic channel.
- the clamping part 01 and other parts will remain in the body. Under the traction force of the external magnetic field, the clamping part The mucosal tissue of the clamped part will be lifted so that the doctor can efficiently, accurately and conveniently complete the operation of grasping and resecting the diseased tissue.
- a suitable spare magnet 15 can be adsorbed on the front end of the spring wire 0901, and sent to the previously anchored clip through the endoscopic channel, and the spare magnet 15 will be a small magnet 04 in the body. Under the action of the attractive force, it is superimposed on the tail of the clamp cylinder 03 to provide a suitable magnetic field traction force to pull the clamped mucosal tissue.
- the auxiliary device for minimally invasive surgery of the present invention can be anchored to biological tissues during ESD surgery, and can grasp, pull, and traction biological tissues by external force, thereby further facilitating doctors to remove diseased tissues.
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- 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)
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Abstract
Description
Claims (12)
- 一种微创手术的辅助装置,其特征在于,包括夹持部,锁定部,控制线,可弯折导管,控制部,其中夹持部,设置于辅助装置前端,夹持部前端设置开合装置,用于抓取和提拉病变组织;锁定部,连接夹持部,其设置锁定槽,用于锁止夹持部, 锁定部内含有小磁体,小磁体用于在体内产生磁场,并与体外磁场相互作用,提供牵引生物组织的作用力;控制线,连接锁定部,用于控制夹持部的开合;可弯折导管,用于容置控制线,用于为控制线提供轴向滑动通道;控制部,连接可弯折导管及锁定部,用于通过控制线控制锁定部及夹持部进行生物组织操作。
- 根据权利要求1所述的微创手术的辅助装置,其特征在于,所述的夹持部包括至少两个钳臂,其中至少一个钳臂能旋转运动。
- 根据权利要求1所述的微创手术的辅助装置,其特征在于,所述的小磁体为永磁体,其形状为长条形或圆柱形。
- 根据权利要求1所述的微创手术的辅助装置,其特征在于,所述的夹持部可以采用导磁材料制作。
- 根据权利要求1所述的微创手术的辅助装置,其特征在于,所述的锁定部还可以用导磁材料制作。
- 根据权利要求1所述的微创手术的辅助装置,其特征在于,所述的控制部进一步包括手柄主体,手柄滑动体及手柄前端,其中手柄主体设置导槽,用于约束手柄滑动体在导槽内运动;手柄滑动体与控制线后端连接,用于控制夹持部的开合并锁止夹持部,手柄滑动体可以为推拉式或剪刀式;手柄前端用于固定可弯折导管的后端,其与手柄主体连接,实现轴向转动。
- 根据权利要求1所述的微创手术的辅助装置,其特征在于,所述的夹持部还设置有连杆及铰接销钉,连杆具有凸起部,连杆与铰接销钉可以一体成型。
- 根据权利要求1所述的微创手术的辅助装置,其特征在于,所述的控制线进一步设置叉臂,叉臂可以单侧或双侧设置。
- 根据权利要求1所述的微创手术的辅助装置,其特征在于,所述的锁定槽可以是台阶状结构。
- 根据权利要求1所述的微创手术的辅助装置,其特征在于,所述控制线的末端进一步设置开放式圆槽,圆槽可以为封闭或开放式。
- 根据权利要求1所述的微创手术的辅助装置,其特征在于,所述的控制线的末端还设置长圆槽,其用于配合可弯折导管前端设置的弹扣。
- 根据权利要求1所述的微创手术的辅助装置,其特征在于,所述的可弯折导管前端具有弱磁性。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
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CN201911325199.4A CN110897663A (zh) | 2019-12-20 | 2019-12-20 | 一种微创手术的辅助装置 |
CN201911325199.4 | 2019-12-20 |
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Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
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CN110897663A (zh) * | 2019-12-20 | 2020-03-24 | 深圳市资福医疗技术有限公司 | 一种微创手术的辅助装置 |
CN111265297A (zh) * | 2020-03-21 | 2020-06-12 | 深圳市资福医疗技术有限公司 | 一种微创手术磁锚定***、控制模块及微创手术辅助装置 |
CN111772695A (zh) * | 2020-07-15 | 2020-10-16 | 深圳市资福医疗技术有限公司 | 一种微创手术的辅助装置 |
CN111772694A (zh) * | 2020-07-15 | 2020-10-16 | 深圳市资福医疗技术有限公司 | 一种微创手术的辅助装置 |
CN113180783A (zh) * | 2021-05-21 | 2021-07-30 | 深圳市资福医疗技术有限公司 | 一种微创手术的夹持装置 |
CN113243972A (zh) * | 2021-06-04 | 2021-08-13 | 深圳市资福医疗技术有限公司 | 一种微创手术的夹持装置 |
CN114191069B (zh) * | 2021-12-06 | 2024-01-12 | 安瑞医疗器械(杭州)有限公司 | 止血钳夹及其夹头部件 |
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2020
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