阅读说明：本技术 一种辅助单孔腹腔镜使用的牵引装置 (Traction device for assisting single-port laparoscope ) 是由 王倩青 刘娟 郭祥翠 李力 陈贝贝 于 2021-07-19 设计创作，主要内容包括：本公开揭示了一种辅助单孔腹腔镜使用的牵引装置,包括：装置本体,所述装置本体包括一构造有细管腔的细管,以及位于所述细管一侧且构造有粗管腔的管柄,所述细管另一侧还设置有控制管且控制管内构造有控制管腔；钳头,钳头安装在控制管上,其包括一连接块和所述连接块上对称转动设置的两个夹持头,所述连接块远离细管的一端设置有开槽,两个所述夹持头通过控制组件转动安装在开槽内；定位结构,所述定位结构包括用于套设在细管上的磁力装置和用于对磁力装置进行吸附的吸引装置,所述磁力装置包括环形件,所述环形件上设置有敞开口。该装置利用气压控制钳头进行夹持并进行牵引,操作方便,同时该装置可以进行较好的牵引动作。(The present disclosure discloses a traction device for assisting a single-port laparoscope, comprising: the device comprises a device body, a control tube and a control tube, wherein the device body comprises a thin tube with a thin tube cavity and a tube handle which is positioned on one side of the thin tube and is provided with a thick tube cavity; the clamp head is arranged on the control tube and comprises a connecting block and two clamping heads symmetrically and rotatably arranged on the connecting block, one end of the connecting block, which is far away from the thin tube, is provided with a groove, and the two clamping heads are rotatably arranged in the groove through a control assembly; the positioning structure comprises a magnetic device and an attraction device, wherein the magnetic device is used for being sleeved on the thin tube and adsorbing the magnetic device, the magnetic device comprises a ring-shaped piece, and an open hole is formed in the ring-shaped piece. The device utilizes the pneumatic control binding clip to carry out centre gripping and draw, convenient operation, and the device can carry out better traction action simultaneously.)

1. A traction device for assisting the use of a single port laparoscope comprising: the device comprises a device body, a control tube and a control tube, wherein the device body comprises a thin tube with a thin tube cavity and a tube handle which is positioned on one side of the thin tube and is provided with a thick tube cavity; the clamp head is arranged on the control tube and comprises a connecting block and two clamping heads symmetrically and rotatably arranged on the connecting block, one end of the connecting block, which is far away from the thin tube, is provided with a groove, and the two clamping heads are rotatably arranged in the groove through a control assembly; the positioning structure comprises a magnetic device and an attraction device, wherein the magnetic device is used for being sleeved on the thin tube and adsorbing the magnetic device, the magnetic device comprises a ring-shaped piece, and an open hole is formed in the ring-shaped piece.

2. The device of claim 1, wherein the control assembly comprises a rotating shaft vertically arranged in the slot, two ends of the rotating shaft are rotatably connected with the inner wall of the slot, two first connecting arms are arranged on the rotating shaft in a central symmetry manner, two clamping heads are respectively and fixedly connected with one ends of the two first connecting arms, two first connecting arms are rotatably connected with second connecting arms, two second connecting arms are rotatably connected with one ends of the second connecting arms far away from the ends corresponding to the first connecting arms, a first piston is arranged in the control tube cavity in a sealing and sliding manner, a driving rod is coaxially and fixedly connected with the first piston, the driving rod penetrates through the control tube and extends into the slot, and the driving rod is rotatably connected with the two second connecting arms.

3. The device of claim 1, wherein a second piston is arranged in the thick tube cavity in a sealing and sliding manner, a control rod is fixedly connected to one end of the second piston, which is far away from the thin tube, one end of the control rod extends to the outside through a tube handle, a first control handle is further fixedly connected to the control rod, and a second control handle is fixedly sleeved on the tube cavity.

4. The device of claim 1, the pipe handle is provided with a clamping assembly for limiting the first control handle, the clamping assembly comprises an L-shaped fixing block fixedly arranged on one side of the pipe handle, a threaded hole is formed in the L-shaped fixing block in a penetrating mode, a screw rod is arranged in a matched mode in the threaded hole, one end, close to the control rod, of the screw rod extends out of the threaded hole and is fixedly connected with a limiting block, the other end of the screw rod extends out of the threaded hole and is fixedly connected with a rotating block coaxially, a clamping spring is sleeved on the screw rod, two ends of the clamping spring are fixedly connected with the L-shaped fixing block and the limiting block respectively, and a plurality of limiting grooves matched with the limiting block are uniformly formed in the control rod.

5. The device as claimed in claim 1, an arc-shaped opening is arranged on the ring-shaped member in a penetrating manner, an arc-shaped limiting block is slidably arranged in the arc-shaped opening, one end of the arc-shaped limiting block penetrates through the ring-shaped member and extends into the opening, a shift lever is fixedly connected to both sides of the other end of the arc-shaped limiting block, the two shift levers extend out of the arc-shaped opening, a limiting spring is further arranged in the arc-shaped opening, and both ends of the limiting spring are fixedly connected with the arc-shaped limiting block and the inner wall of the arc-shaped opening respectively.

6. The device as claimed in claim 5, wherein the ring member is externally sleeved with a magnetic member, and the magnetic member is fixedly sleeved on the ring member through a plurality of connecting columns.

7. The device as claimed in claim 1, wherein the suction device comprises a medical silica gel suction cup, a rectangular groove is formed in the medical silica gel suction cup, an electromagnet is fixedly embedded in the rectangular groove, a protective shell is arranged on an outer cover of the electromagnet, the suction device further comprises a storage battery device, the storage battery device is fixedly connected and electrically connected with the electromagnet through a conductive wire, a rheostat is fixedly arranged on the storage battery device, the rheostat is connected in series between the storage battery device and the electromagnet, and the rheostat can control and adjust the resistance through a control lever.

8. The device of claim 6, wherein the magnetic member comprises an annular air bag fixedly arranged on the annular member, the annular air bag is fixedly arranged on the annular member through a plurality of connecting columns, and an opening position is formed between two connecting columns.

9. The device of claim 8, wherein the annular air bag is filled with a plurality of magnet beads.

10. The device of claim 6, wherein the magnetic member further comprises a small air pump, and an air pumping end of the small air pump is fixedly connected and communicated with the annular air bag through a thin air pipe.

Technical Field

The invention relates to laparoscopic surgical instrument equipment, in particular to a traction device for assisting a single-port laparoscope.

Background

The single-port laparoscopic transumbilical surgery is the leading international minimally invasive technique, and during the surgery, surgical instruments and equipment enter the abdominal cavity through the umbilical orifice and cover a surgical incision by using the wrinkled wall of the umbilical region. Compared with the traditional laparoscopic abdominal minimally invasive surgery, the transumbilical single-port laparoscopic minimally invasive technique has the unique advantages that: the wound is further reduced, no scar is left after operation, the patient recovers quickly and the infection rate is low. Because the surgical instruments to be placed into the abdominal cavity are all centralized in a single hole to enter, the instruments can be intertwined, interfered and obstructed, the image passing-out picture stability is influenced, and the flexibility of operations such as surgical dissection, separation and the like is influenced. Meanwhile, in single-port laparoscopic surgery, the entry position of a surgical instrument is fixed to a transumbilical single-port position, and when the surgery is performed on the focus at different positions in the patient, some traction actions need to be performed on internal organs of the patient. Therefore, the traction device for assisting the single-port laparoscope is provided, so that the operation can be conveniently carried out. It is envisioned that this technique has some desired effect in current single port laparoscopic techniques for increasing the success of the procedure. However, the inventor finds that there are still many problems in the practical implementation of this technology, for example, a patent document with the application number of CN201110090121.6 in our country discloses a magnetic auxiliary traction device for a single-port laparoscope, which realizes the function of auxiliary traction, but it realizes the clamping effect of forceps head to the internal organs through a surgical instrument, and the complexity of the practical operation is high, and at the same time, the operation realizes the positioning effect through a magnet and an electromagnet, which is inconvenient to be introduced into the abdominal cavity of a patient and is easy to damage the abdominal cavity of the patient.

Disclosure of Invention

In view of the above problems in the prior art, an object of the present invention is to provide a traction device for assisting a single-port laparoscope, which can change the open and close states of the forceps heads for clamping and traction, and which is easy to enter and introduce into the abdominal cavity of a patient and has a better traction effect.

In order to achieve the above object, an embodiment of the present invention provides a traction apparatus for assisting a single-port laparoscope, which is fixedly installed above a conveyor belt, and includes:

the device comprises a device body, a control tube and a control tube, wherein the device body comprises a thin tube with a thin tube cavity and a tube handle which is positioned on one side of the thin tube and is provided with a thick tube cavity;

the clamp head is arranged on the control tube and comprises a connecting block and two clamping heads symmetrically and rotatably arranged on the connecting block, one end of the connecting block, which is far away from the thin tube, is provided with a groove, and the two clamping heads are rotatably arranged in the groove through a control assembly;

the positioning structure comprises a magnetic device and an attraction device, wherein the magnetic device is used for being sleeved on the thin tube and adsorbing the magnetic device, the magnetic device comprises a ring-shaped piece, and an open hole is formed in the ring-shaped piece.

As preferred, the control assembly includes the pivot of vertical setting in the fluting, the pivot both ends all rotate with the fluting inner wall to be connected, central symmetry rotates in the pivot and is provided with two first linking arms, two the holding head respectively with the one end fixed connection of two first linking arms, two first linking arm all rotates and is connected with the second linking arm, two its one end rotation connection that corresponds first linking arm is kept away from to the second linking arm, control tube intracavity seals to slide and is provided with first piston, the coaxial fixedly connected with actuating lever of first piston, the actuating lever runs through the control tube and extends to in the fluting just the actuating lever rotates with two second linking arms to be connected.

Preferably, thick lumen internal seal slides and is provided with the second piston, the one end fixedly connected with control lever of tubule is kept away from to the second piston, control lever one end runs through the pipe handle and extends to the outside just go back the first control handle of fixedly connected with on the control lever, fixed cover is equipped with the second control handle on the lumen.

As preferred, set up on the pipe handle and carried out spacing chucking subassembly to first control handle, the chucking subassembly is including the fixed L type fixed block that sets up in pipe handle one side, it is provided with the screw hole to run through on the L type fixed block, the screw hole matching is provided with the screw rod, the one end that the screw rod is close to the control lever extends to the screw hole outside and fixedly connected with stopper, the screw rod other end extends to the screw hole outside and coaxial fixedly connected with commentaries on classics piece, the cover is equipped with chucking spring on the screw rod, chucking spring both ends respectively with L type fixed block and stopper fixed connection, evenly be provided with a plurality of spacing fluting that match with the stopper on the control lever.

Preferably, the ring-shaped member is provided with an arc opening in a penetrating manner, an arc limiting block is slidably arranged in the arc opening, one end of the arc limiting block penetrates through the ring-shaped member and extends into the opening, two shifting rods are fixedly connected to two sides of the other end of the arc limiting block and extend out of the arc opening, a limiting spring is further arranged in the arc opening, and two ends of the limiting spring are fixedly connected with the arc limiting block and the inner wall of the arc opening respectively.

Preferably, the annular piece is sleeved with a magnetic part, and the magnetic part is fixedly sleeved on the annular piece through a plurality of connecting columns.

Preferably, the suction device comprises a medical silica gel sucker, a rectangular groove is formed in the medical silica gel sucker, an electromagnet is embedded in the rectangular groove, a protective shell is arranged on the outer cover of the electromagnet, the suction device further comprises a storage battery device, the storage battery device is fixedly connected with the electromagnet through a conductive wire and electrically connected with the storage battery device, a rheostat is fixedly arranged on the storage battery device, the rheostat is connected between the storage battery device and the electromagnet in series, and the rheostat can control and adjust the resistance through a control driving lever.

Preferably, the magnetic member comprises an annular air bag fixedly sleeved outside the annular member, the annular air bag is fixedly sleeved on the annular member through a plurality of connecting columns, and an opening is correspondingly formed between the two connecting columns.

Preferably, a plurality of magnet beads are filled in the annular air bag.

Preferably, the magnetic member further comprises a small inflator, and an inflating end of the small inflator is fixedly connected and communicated with the annular air bag through a thin air pipe.

Compared with the prior art, the traction device for assisting the single-port laparoscope has the function of assisting the operation by traction during the abdominal operation, and can quickly realize the opening and closing of the forceps head through air pressure to fix and clamp the visceral organs and the like of a patient. Meanwhile, the fixing piece placed in the abdominal cavity of the patient is replaced by the air bag filled with the magnetic beads, so that the fixing piece can be conveniently guided into the abdominal cavity of the patient, and the magnetic beads are utilized to ensure the functions of attraction and positioning after the fixing piece is inflated. Compared with the existing auxiliary traction apparatus, the abdominal cavity traction apparatus has the characteristics of convenience in operation, high safety and reasonable structure, meanwhile, the operation of a user is more convenient, the complex clamping effect of the forceps head is not required to be controlled through a laparoscope and an abdominal cavity surgical apparatus, the introduction and the removal of the abdominal cavity of a patient are facilitated, the stability of the whole apparatus is high when the apparatus is used, and the apparatus is more conveniently arranged in the abdominal cavity and outside the abdominal cavity of the patient through a magnetic positioning structure and is convenient to adjust according to the situation.

It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the disclosure.

This document provides an overview of various implementations or examples of the technology described in this disclosure, and is not a comprehensive disclosure of the full scope or all features of the disclosed technology.

Drawings

Fig. 1 is a schematic perspective view illustrating a traction apparatus for assisting a single port laparoscope according to the present invention.

Fig. 2 is a perspective view illustrating another perspective view of a traction apparatus for assisting a single port laparoscope according to the present invention.

Fig. 3 is a schematic structural diagram of a forceps head of a traction device for assisting a single-port laparoscope according to the present invention.

Fig. 4 is a schematic perspective view illustrating a tube handle of a traction apparatus for assisting a single port laparoscope according to the present invention.

Fig. 5 is a schematic perspective view illustrating a magnetic member of a traction apparatus for assisting a single port laparoscope according to the present invention.

Fig. 6 is a perspective view illustrating a suction device of a traction device for assisting a single port laparoscope according to the present invention.

The main reference numbers:

1 … device body; 2 … positioning structure; 11 … tubules; 12 … a tube handle; 13 … control tube; 14 … binding clip; 21 … magnetic means; 22 … suction device; 111 … thin lumen; 121 … thick lumen; 131 … control lumen; 141 … connecting block; 142 … gripping head; 143 … a rotating shaft; 144 … a first connecting arm; 145 … second connecting arm; 211 … ring-shaped member; 212 … arc-shaped limiting blocks; 213 … a deflector rod; 214 … limit spring; 215 … magnetic element; 216 … connecting column; 221 … medical silica gel suction cup; 222 … an electromagnet; 223 … battery means; 224 … electrically conductive lines; 225 … varistor; 1211 … second piston; 1212 … lever; 1213 … first lever; 1214 … second lever; 1311 … first piston; 1312 … drive the lever; 1313 … restraining spring; 2151 … toroidal balloon; 2152 … miniature pump; 2153 … bronchioles; 2154 … filter tube; 12131 … L-shaped fixing blocks; 12132 … screw; 12133 … Limited blocks; 12134 … block rotation; 12135 … grip the spring.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present disclosure more clear, the technical solutions of the embodiments of the present disclosure will be described below clearly and completely with reference to the accompanying drawings of the embodiments of the present disclosure.

It is to be understood that the described embodiments are only a few embodiments of the present disclosure, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the described embodiments of the disclosure without any inventive step, are within the scope of protection of the disclosure.

Unless otherwise defined, technical or scientific terms used herein shall have the ordinary meaning as understood by one of ordinary skill in the art to which this disclosure belongs. The use of the word "comprising" or "comprises", and the like, in this disclosure is intended to mean that the elements or items listed before that word, include the elements or items listed after that word, and their equivalents, without excluding other elements or items. The terms "connected" or "coupled" and the like are not restricted to physical or mechanical connections, but may also include electrical connections, whether direct or indirect. "upper", "lower", "left", "right", and the like are used merely to indicate relative positional relationships, and when the absolute position of the object being described is changed, the relative positional relationships may also be changed accordingly.

To maintain the following description of the embodiments of the present disclosure clear and concise, a detailed description of known functions and known components have been omitted from the present disclosure.

As shown in fig. 1 to 6, a traction apparatus for assisting a single port laparoscope according to an embodiment of the present invention includes: the device comprises a device body 1 and a positioning structure 2 for assisting traction of the device body 1, wherein the device body 1 comprises a thin tube 11 with a thin tube cavity 111 and a tube handle 12 which is positioned on one side of the thin tube 11 and is provided with a thick tube cavity 121, the other side of the thin tube 11 is also provided with a control tube 13, a control tube cavity 131 is formed in the control tube 13, the inner tube cavity 111 and the control tube cavity 131 are communicated with the thick tube cavity 121, so that the pressure inside the inner tube cavity 111 can influence the pressure inside the control tube cavity 131; in the invention, the end of the control tube 13 away from the tubule 11 is provided with the binding clip 14, which comprises a connecting block 141 and two clamping heads 142 symmetrically and rotatably arranged on the connecting block 141, the end of the connecting block 141 away from the tubule 11 is provided with a slot, the two clamping heads 142 are rotatably arranged in the slot through a control component, the control component comprises a rotating shaft 143 vertically arranged in the slot, both ends of the rotating shaft 143 are rotatably connected with the inner wall of the slot, the rotating shaft 143 is centrally and symmetrically provided with two first connecting arms 144, the two clamping heads 142 are respectively fixedly connected with one ends of the two first connecting arms 144, the two first connecting arms 144 are rotatably connected with second connecting arms 145, one ends of the two second connecting arms 145 away from the corresponding first connecting arms 144 are rotatably connected, the control tube cavity 131 is internally provided with a first piston 1311 in a sealing and sliding manner, the first piston 1311 is coaxially and fixedly connected with a driving rod 1312, the driving rod 1312 penetrates through the control tube 13 and extends into the slot, and the driving rod 1312 is rotatably connected with the two second connecting arms 145, when the first piston 1311 slides in the control tube cavity 131, the driving rod 1312 can be driven to move, so that the two second connecting arms 145 can be driven to move, when the two second connecting arms 145 move, the two first connecting arms 144 can be synchronously and respectively driven, the two first connecting arms 144 both rotate around the rotating shaft 143, so that the two first connecting arms 144 respectively drive the two clamping heads 142 to rotate, so that the opening and closing action is realized, and the tong head 14 can be opened and closed for clamping or releasing; the overall structure of the forceps head 14 is the same as that of the existing surgical instrument, a driving rod 1312 in the forceps head 14 in the device has the same action as a control rod in the existing forceps head to drive the driving rod 1312 to move so as to realize opening and closing of the forceps head 14, wherein the driving rod 1312 can be driven to move by moving a first piston 1311 in a control tube cavity 131, a limiting spring 1313 is further arranged in the control tube cavity 131, two ends of the limiting spring 1313 are respectively and fixedly connected with the first piston 1311 and the inner wall of the control tube cavity 131, the limiting spring 1313 provides elastic force, the position of the first piston 1311 can be limited, and the forceps head 14 is ensured to be in an open state under normal state; the thick tube 121 internal seal slides and is provided with second piston 1211, the one end fixedly connected with control lever 1212 that tubule 11 was kept away from to second piston 1211, control lever 1212 one end runs through the handle of a tube 12 and extends to the outside just still fixedly connected with first control handle 1213 on the control lever 1212, the fixed cover is equipped with second control handle 1214 on the lumen 12, preferably, first control handle 1213 and second control handle 1214 set up to the annular, and the finger of the user of being convenient for penetrates to be convenient for use, have firm handheld effect during the use.

By holding the first control handle 1213 and the second control handle 1214 by hand and then exerting force with fingers, the control rod 1212 can be pulled by the first control handle 1213 to drive the second piston 1211 inside the thick tube 121 to slide, when the second piston 1211 slides in the thick tube 121, an air suction action can be generated, because the inner tube 111 and the control tube 131 are both communicated with the thick tube 121, so that the pressure inside the inner tube 111 can affect the pressure inside the control tube 131, and when the first control handle 1213 is pulled, the second piston 1211 can be driven to slide, the air suction action is generated to drive the first piston 1311 to move inside the control tube 131, and the drive rod 1312 to move, so as to close the forceps head 14; in order to realize the clamping action of the tong head 14, a clamping assembly for limiting the first control handle 1213 is arranged on the pipe handle 12, the clamping assembly comprises an L-shaped fixing block 12131 fixedly arranged on one side of the pipe handle 12, a threaded hole is arranged on the L-shaped fixing block 12131 in a penetrating manner, the threaded hole is provided with a threaded rod 12132 in a matching manner, one end of the threaded rod 12132 close to the control rod 1212 extends out of the threaded hole and is fixedly connected with a limiting block 12133, the other end of the threaded rod 12132 extends out of the threaded hole and is coaxially and fixedly connected with a rotating block 12134, a clamping spring 12135 is sleeved on the threaded rod 12132, two ends of the clamping spring 12135 are respectively and fixedly connected with the L-shaped fixing block 12131 and the limiting block 12133, a plurality of limiting slots matched with the limiting block 12133 are uniformly arranged on the control rod 1212, and when the control rod 1212 is moved by the pulling action of the first control handle 1213, the closing action of the tong head 14 is realized, at this time, the closed stable state of the forceps head 14 needs to be maintained, the position of the control rod 1212 needs to be limited, the rotating block 12134 can be rotated to drive the screw 12132 to rotate, so as to move the screw 12132 and drive the limiting block 12133 to move, the limiting block 12133 is clamped into one of the limiting slots, the control rod 1212 can be fixed, and the stable state of the forceps head 14 is fixed.

In the invention, in order to realize the positioning effect of the positioning structure 2 on the device body 1, the device body 1 can be pulled, and the main pulling function is realized; the positioning structure 2 comprises a magnetic device 21 sleeved on the thin tube 11 and an attraction device 22 used for absorbing the magnetic device 21, the magnetic device 21 comprises a ring-shaped member 211, an open opening is formed in the ring-shaped member 211, an arc-shaped opening is arranged in the ring-shaped member 211 in a penetrating manner, an arc-shaped limiting block 212 is arranged in the arc-shaped opening in a sliding manner, one end of the arc-shaped limiting block 212 penetrates through the ring-shaped member 211 and extends into the open opening, shift levers 213 are fixedly connected to two sides of the other end of the arc-shaped limiting block 212, the two shift levers 213 extend out of the arc-shaped opening, a limiting spring 214 is further arranged in the arc-shaped opening, two ends of the limiting spring 214 are respectively fixedly connected with the arc-shaped limiting block 212 and the inner wall of the arc-shaped opening, the limiting spring 214 supports the arc-shaped limiting block 212 in the open opening through the elasticity of the limiting spring 214, and the arc-shaped limiting block 212 and the ring-shaped member 211 integrally form a closed loop, when the device is used, the arc-shaped limiting block 212 can be shifted by the shifting rod 213, the arc-shaped limiting block 212 is driven to move back into the arc-shaped opening, the opening is unsealed, the tubule 11 can be placed into the annular piece 211, so that the device can be limited in an abdominal cavity during an abdominal cavity operation by the tubule 11, the annular piece 211 is sleeved with the magnetic piece 215 in a sleeved mode, the magnetic piece 215 is fixedly sleeved on the annular piece 211 through the connecting columns 216, when the annular piece 211 is in the abdominal cavity, the magnetic piece 215 can be adsorbed by the external attraction device 22, the position of the annular piece 211 is limited, and the position of the annular piece 211 can be changed by the external attraction device 22.

Fig. 6 shows the structure of the suction device 22 of the positioning structure 2 of the traction device for assisted single port laparoscopy according to the present invention. As shown in fig. 2 and fig. 6, in some embodiments, different from a general electromagnet structure, in order to adapt to attraction of the magnetic device 21 while ensuring comfort of a patient and reducing influence on the patient, the attraction device 22 includes a medical silica gel suction cup 221, a rectangular groove is provided on the medical silica gel suction cup 221, an electromagnet 222 is fixedly embedded in the rectangular groove, a protective housing is provided outside the electromagnet 222, the protective housing is also made of a medical silica gel material and protects the electromagnet 222, the attraction device 22 further includes a storage battery device 223, the storage battery device 223 is fixedly and electrically connected with the electromagnet 222 through a conductive wire 224, the storage battery device 223 forms a series connection with the electromagnet 222 through a conductive wire 224, a rheostat 225 is further fixedly provided on the storage battery device 223, the rheostat 225 is connected in series between the storage battery device 223 and the electromagnet 222, the rheostat 225 can control and adjust the resistance through controlling the shift lever, so as to adjust the attraction force of the electromagnet 222, the storage battery device 223 is also provided with only a charging port, and the storage battery device 223 adopts a rechargeable battery, so that the device can be recycled.

In addition, in fig. 5, another modified scheme of the present invention is also shown, as shown in fig. 2 and fig. 5, in this embodiment, the magnetic member 215 includes an annular air bag 2151 fixedly sleeved outside the annular member 211, the annular air bag 2151 is fixedly sleeved on the annular member 211 through a plurality of connecting posts 216, wherein an opening position corresponds to between two of the connecting posts 216, the annular air bag 2151 is corrugated when not inflated, has high elasticity and can be contracted, the corrugated folds are arc-shaped, so that the surface does not have a sharp shape, the annular air bag 2151 is made of medical silica gel, has soft property, avoids harm when contacting with the inner wall of the abdominal cavity, and ensures protection for the patient; the annular air bag 2151 is filled with a certain amount of magnet beads, the magnet beads can be fully filled when the annular air bag 2151 is in a flat shape, the flat shape of the annular air bag 2151 can be attached to the annular piece 211 to form a cylinder shape, so that the diameter is reduced, the minimum diameter can be less than 5.5mm, the puncture outfit is suitable for the inner diameter of the existing puncture outfit for laparoscopic surgery, the puncture outfit is convenient to introduce into the abdominal cavity of a human body, the magnet beads can flow in the annular air bag 2151 after the annular air bag 2151 is inflated and expanded, and can be attracted to one position after being attracted by magnetic force to play the role of attracted magnets, the attracted state is ensured, and the annular air bag 2151 can be attracted and limited by the magnetic force; the annular bladder 2151 therefore needs to be inflated after the magnetic member 215 has been placed inside the abdominal cavity, for which case a specific implementation is also given in the present invention. For example, the magnetic member 215 further includes a small inflator 2152, the inflating end of the small inflator 2152 is fixedly connected and communicated with the annular air bag 2151 through a thin air pipe 2153, the small inflator 2152 inflates to inflate the annular air bag 2151, so that the annular air bag 2151 can be positioned inside the abdominal cavity to limit the thin air pipe 11, a filter pipe 2154 is disposed at the position where the thin air pipe 2153 is fixedly connected with the annular air bag 2151, openings at two ends of the filter pipe 2154 are fixedly connected with metal filter screens, and therefore magnet beads are prevented from leaking out in the deflating and inflating processes, and a deflation valve is further disposed on the small inflator 2152 and used for deflating.

The above embodiments are only exemplary embodiments of the present invention, and are not intended to limit the present invention, and the scope of the present invention is defined by the claims. Various modifications and equivalents may be made by those skilled in the art within the spirit and scope of the present invention, and such modifications and equivalents should also be considered as falling within the scope of the present invention.