CN116407239A

CN116407239A - Article taking bag

Info

Publication number: CN116407239A
Application number: CN202111645413.1A
Authority: CN
Inventors: 孙宝峰; 陆俊; 杨啸天
Original assignee: Fengh Medical Co ltd
Current assignee: Fengh Medical Co ltd
Priority date: 2021-12-29
Filing date: 2021-12-29
Publication date: 2023-07-11
Also published as: WO2023125577A2; WO2023125577A3

Abstract

The invention discloses a fetching bag, which is used for surgical operation and comprises: the bag body is provided with a bag wall, a first auxiliary interface and a second auxiliary interface of an inner cavity, wherein the first auxiliary interface and the second auxiliary interface are arranged on the bag wall; the visual instrument channel structure is connected with the first auxiliary interface, and forms a channel which is sealed to the inner cavity of the bag body and is used for accommodating the endoscope to observe the inner cavity, and the endoscope can not enter the inner cavity all the time in the whole operation process so as not to be stained with tumor tissue fluid; the end effector assembly is disposed within the interior cavity of the pouch and is coupled to the second auxiliary interface without removing the end effector assembly from the pouch at the end of the procedure. The object taking bag can adapt to various auxiliary instruments to improve the use convenience, and meanwhile, the problem that tumor tissue fluid pollutes other tissues due to the fact that the instruments enter and exit the object taking bag is avoided.

Description

Article taking bag

Technical Field

The invention relates to the technical field of medical instruments, in particular to a fetching bag.

Background

The object taking bag comprises an isolation bag body made of flexible materials, and a main bag opening and a plurality of auxiliary bag openings are formed in the isolation bag body. The caliber of the main bag opening is larger than that of each auxiliary bag opening. The auxiliary bag opening is used for inserting visual instruments, auxiliary clamps and other instruments.

In the prior art, a fetching bag is provided, and a main bag opening and an auxiliary bag opening are both opened.

In use, at least three penetrators penetrate the abdominal cavity to form a number of passageways. For convenience of description, the first channel, the second channel, and the third channel are named. The number of channels is related to the number of insertion instruments required.

The visualization instrument is inserted from the first channel into the abdominal cavity for later manipulation.

With the aid of a visualization instrument, an electrocoagulation blade (or other cutting instrument) is inserted from the second channel into the abdominal cavity, the tumor and normal tissue are separated, and then the electrocoagulation blade is removed.

The method comprises the steps of feeding a fetching bag into an abdominal cavity from a second channel, inserting a clamp into the abdominal cavity from a third channel, placing a tumor into the fetching bag from a main bag opening of the fetching bag with the aid of the clamp, then tightening the main bag opening, pulling out the body from the second channel, and then tightening a first auxiliary bag opening and a second auxiliary bag opening, and pulling out the body from the first channel and the third channel respectively.

In vitro, a visualization instrument, such as an endoscope, is inserted into the first auxiliary port, the jaws are inserted into the second auxiliary port, and the atherectomy device is inserted into the main port from the second channel. With the aid of a visualization instrument and a clamp, tumors are broken with a rotary cutter. In this process, the endoscope and clamp are placed in the retrieval bag, which can contaminate the tumor tissue fluid.

After the rotary cutting is finished, the visualization instrument, the clamp and the rotary cutter are taken out respectively, then the first auxiliary bag opening and the second auxiliary bag opening are tightened and then plugged back into the body, and finally the object taking bag is pulled out integrally from the second channel, however, in the taking out process, the visualization instrument and tissue fluid on the clamp pollute the auxiliary bag opening, so that tissue fluid on the auxiliary bag opening can pollute the inside of a human body in the process of plugging back into the body, and the tumor diffusion risk is brought.

In summary, the conventional object taking bag needs to insert and take out various instruments, such as an endoscope and a clamp, during the operation, since the instruments contact the tumor during the operation and the bag opening is not kept sealed in the whole process, the tissue fluid on each instrument contaminates the auxiliary bag opening during the taking out process, so that the tissue fluid on the auxiliary bag opening contaminates other tissues during the plugging back into the body, and the risk of tumor implantation diffusion is brought.

Disclosure of Invention

Aiming at the defects of the prior art, the invention aims to provide the object taking bag, which solves the problem that the existing object taking bag needs to be stretched into various auxiliary instruments through an auxiliary bag opening during operation, and the auxiliary bag opening cannot be always kept sealed in the using process, so that the tumor is spread and planted.

The invention is realized by the following technical scheme: a bag for taking things, the bag comprising: the bag body comprises a bag wall, an inner cavity, a first auxiliary interface and a second auxiliary interface, wherein the first auxiliary interface and the second auxiliary interface are arranged on the bag wall; the visual instrument channel structure is connected with the first auxiliary interface, forms a channel which is closed relative to the inner cavity of the bag body, and is used for accommodating the visual instrument to observe the inner cavity of the bag body; and the end effector assembly is arranged in the inner cavity of the bag body and connected with the second auxiliary interface, and the end effector assembly can be driven to perform grabbing and releasing actions.

Further, at the second auxiliary interface, the second auxiliary interface isolates the interior cavity of the bag from the outside of the bag.

Further, the end effector assembly is coupled to and seals the second auxiliary interface such that an exterior of the second auxiliary interface is not in communication with the lumen.

Further, the second auxiliary interface includes a positioning member, and the end effector assembly is coupled to the second auxiliary interface via the positioning member.

Further, the second auxiliary interface includes a locating member and a second internal bore formed by the bag wall; the second inner hole is communicated with the inner cavity and the outer side of the bag body, and the positioning piece is connected with the second inner hole in a sealing way; the end effector assembly is coupled to the positioning member.

Further, the second auxiliary interface further comprises a moving part, the moving part is movably arranged in the positioning part, and a sealing part is arranged between the moving part and the positioning part; the end effector assembly is drivably connected to the mover.

Further, the visualization instrument channel structure is in sealing connection with the first auxiliary interface.

Further, the first auxiliary interface comprises a first inner hole, the first inner hole is communicated with the inner cavity and the outer side of the bag body, and the visualization instrument channel structure is at least partially arranged in the first inner hole and is in sealing connection with the first inner hole.

Further, the visualization instrument channel structure comprises an end facing the inner cavity, the end is of a closed structure, and a channel which is closed to the inner cavity of the bag body is formed.

Further, the end effector assembly includes first and second jaws that are drivable to open and close relative to each other.

Further, the bag body comprises a main bag opening through which tumor tissue is placed into the inner cavity

Further, the access bag further comprises a seal assembly operably mounted to the main bag port, wherein the seal assembly includes a locating hole to locate the mounting lathe cutter.

Further, the main pocket opening is provided with a mounting ring, the mounting ring is sleeved on the main pocket opening, at least part of the pocket body above the main pocket opening is folded on the outer side of the mounting ring, and the sealing cover is clamped on the outer side of the mounting ring and clamps the pocket body folded on the outer side of the mounting ring.

Further, the bag body has an inflated state and an uninflated state, wherein the sealing cover is provided with a vent, and the vent is communicated with the inner cavity so as to inflate the inner cavity or discharge the gas in the inner cavity through the vent.

Compared with the prior art, the invention has the beneficial effects that: in order to avoid the problem that the auxiliary instrument possibly contaminates the bag mouth of the bag body and further pollutes other tissues when working through the auxiliary interface on the object taking bag, the end effector component and the visual instrument channel structure are respectively and fixedly connected with the two auxiliary interfaces on the object taking bag body, so that the end effector component is arranged in the inner cavity of the bag body and is not taken out any more, the visual instrument is observed through the visual instrument channel structure and does not contact the inner cavity, secondary pollution of tumor tissue fluid caused by the fact that the visual instrument and the end effector enter and exit the auxiliary interfaces is avoided, the risk of tumor diffusion is reduced, and the success rate of operation is improved.

Drawings

FIG. 1 is a perspective view of a bag according to the present invention;

FIG. 2 is a cross-sectional view of the bag of FIG. 1;

FIG. 3 is a partially exploded view of the access bag shown in FIG. 1;

FIG. 4 is an exploded view of the bag of FIG. 1;

FIG. 5 is a schematic view of the main bag mouth of the bag of FIG. 1 in a normally open state

FIG. 6 is a schematic view of the attachment clamp mechanism and visualization instrument of the bag of the present invention;

FIG. 7 is a cross-sectional view of the bag of FIG. 6;

FIG. 8 is a cross-sectional view of the clamping mechanism shown in FIG. 7;

FIG. 9 is an enlarged view of a portion of FIG. 8 at A;

FIG. 10 is a cross-sectional view of the end effector assembly shown in FIG. 7;

FIG. 11 is a cross-sectional view of the operational assembly shown in FIG. 7;

fig. 12 is a partial enlarged view at B in fig. 11.

Fig. 13 is a partial enlarged view at C in fig. 11.

10. A bag body; 101. a bag wall; 102. an inner cavity; 11. a first auxiliary interface; 111. visualizing the instrument channel structure; 112. a first connection portion; 114. a first bore; 12. a second auxiliary interface; 122. a positioning piece; 124. a second bore; 13. a main bag opening; 14. sealing cover; 141. positioning holes; 142. a vent; 143. a protrusion; 15. a mounting ring; 153. a recess; 21. an end effector assembly; 211. a first jaw; 212. a second jaw; 22. an operating assembly; 221. an outer sleeve; 222. an operation lever; 223. a fixed handle; 224. a movable handle; 225. a stop portion; 226. an operation unit; 227. a circumferential groove; 23. a moving member; 24. a first link; 25. a seal; 26. a second link; 30. a luer valve; 40. a knob; 42. a connection protrusion; 50. visualization instrument.

Detailed Description

The present invention will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present invention more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.

In the present invention, unless explicitly specified and limited otherwise, the terms "connected," "connected," and the like are to be construed broadly, and may be fixedly connected, detachably connected, movably connected, or integrated, for example; can be directly connected or indirectly connected through an intermediate medium, and can be communication between the two elements or interaction relationship between the two elements such as abutting. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art according to the specific circumstances. It should be noted that, when the terms "connected" and "connected" are used in the meanings defined by the corresponding terms, only the cases where the terms are clearly required are excluded, and other possible cases are not excluded, such as "detachably connected" means detachably connected, not including being integrated, but movable connection and the like are not excluded.

As shown in fig. 1 to 3 and fig. 6 to 7, the object taking bag of the present invention is used in a surgical operation, and the object taking bag includes a bag body 10, a visual instrument channel structure 111 and an end effector assembly 21, wherein the bag body 10 has a bag wall 101 and an inner cavity 102, the bag wall 101 encloses the inner cavity 102, and the bag body 10 further includes a first auxiliary interface 11 and a second auxiliary interface 12; the visualization instrument channel structure 111 is connected with the first auxiliary interface 11, and the visualization instrument channel structure 111 is used for accommodating the visualization instrument 50 to observe the interior of the bag body 10; an end effector assembly 21 is disposed within the interior cavity 102 of the pouch 10 and is coupled to the second auxiliary interface 12. The end effector assembly 21 can be actuated to perform grasping and releasing actions for auxiliary grasping of a tumor within the pouch 10. In this embodiment, the visualization instrument 50 is an endoscope, which can extend into the visualization instrument channel structure 111 to observe the interior of the bag 10 and provide an operation field for a doctor; the end effector assembly 21 is a clamping mechanism that assists in grasping the tumor during the retrieval procedure to facilitate the physician's tumor morcellation.

The above mentioned tumors can be classified into malignant tumor and benign tumor, if the tissue fluid is contaminated with other normal tissues during the cutting or taking out process of malignant tumor, the implantation and diffusion of tumor cells are very easy to occur, so that postoperative tumor recurrence is caused; even benign tumors, such as myomas, have a certain rate of malignant engraftment, and therefore should be protected from contamination with other tissue during the procedure.

In order to avoid the problem that when the visualization instrument 50 and the end effector assembly 21 are taken out, tumor tissue fluid may pollute the bag mouth of the bag body 10 and further pollute other tissues, the object taking bag comprises two auxiliary interfaces respectively used for connecting the visualization instrument channel structure 111 and the end effector assembly 21, and the visualization instrument 50 is observed by extending into the visualization instrument channel structure 111, and does not enter the inner cavity 102 all the time in the whole operation process, so that the tumor tissue fluid in the inner cavity 102 is not polluted; the end effector assembly 21 is fixed on the inner side of the bag body 10 of the fetching bag, and the end effector assembly 21 does not need to be taken out of the bag body 10 at the end of the operation, so that the problem that the end effector assembly 21 contaminates the bag mouth and other tissues when taken out is solved. Therefore, the object taking bag can adapt to various auxiliary instruments to improve the use convenience, and simultaneously, the problem that tumor tissue fluid pollutes other tissues due to the fact that the instruments enter and exit the object taking bag is avoided. The visualization instrument channel structure is in sealing connection with the first auxiliary interface at the first auxiliary interface 11, so that the first auxiliary interface 11 keeps sealing to isolate the inner cavity of the bag body from the outer side of the bag body; at the second auxiliary interface, the second auxiliary interface 12 also keeps a seal to isolate the inner cavity of the bag body from the outer side of the bag body, thereby further ensuring that tumor tissue fluid cannot leak out from the two auxiliary interfaces.

As shown in fig. 1 to 3, the visualization instrument channel structure 111 is sealingly connected to the first auxiliary interface 11 such that the exterior of the first auxiliary interface 11 is not in communication with the lumen 102. Alternatively, the sealing connection is by means of adhesive bonding. A visualization instrument channel structure 111 is connected at the first auxiliary interface 11 and forms a perspective channel, the visualization instrument channel structure 111 separating the perspective channel from the lumen.

As shown in fig. 3, the first auxiliary interface 11 includes a first internal bore 114, wherein the first internal bore 114 communicates with the internal cavity 102 of the pouch body 10 through the first auxiliary interface 11, the first internal bore 114 simultaneously communicates with the outside of the pouch body 10, and the visualization instrument channel structure 111 is at least partially disposed in the first internal bore 114 and sealingly connected to the first internal bore 114. The visualization instrument channel structure 111 includes a first connecting portion 112, where the first connecting portion 112 and the first auxiliary interface 11 are tightly attached together, and may be bonded, so that the two may be relatively fixed and form a seal. The connection between the visualization instrument channel structure 111 and the first auxiliary interface 11 may also be other technical means known to a person skilled in the art, as long as the connection enables a relative fixation between the visualization instrument channel structure 111 and the first auxiliary interface 11 and forms a seal to the first auxiliary interface 11.

Specifically, the visualization device channel structure 111 is in a cylindrical structure, one end of the visualization device channel structure is open, the other end of the visualization device channel structure is closed, one closed end of the visualization device channel structure is placed towards the inner cavity of the bag body 10, a perspective channel which is closed relative to the inner cavity of the bag body is formed, and the visualization device 50 is inserted into the visualization device channel structure 111 through the opening of the visualization device channel structure 111 so as to observe the condition in the inner cavity. The visualization instrument channel structure 111 is located between the inner wall of the first bore 114 of the first auxiliary interface 11 and the perspective channel and between the lumen 102 and the perspective channel, thus separating the perspective channel from the lumen. According to another embodiment, the visualization instrument channel structure 111 is integrally provided with the bag wall 101, i.e. the visualization instrument channel structure 111 is formed by extending the bag wall 101 towards the lumen 102 and the extension is closed.

At least a portion of the visualization instrument channel structure 111 is made of a transparent material to facilitate entry of the endoscope into the viewing channel and visualization of the interior lumen through the distal end of the visualization instrument channel structure. The visualization instrument channel structure 111 may also be entirely made of transparent material.

The visualization instrument 50, such as an endoscope, extends into the visualization instrument channel structure 111 to observe the inner cavity 102, and the visualization instrument channel structure 111 is closed relative to the inner cavity 102 and is not communicated with the inner cavity 102, so that the visualization instrument 50 cannot contact tumor tissue fluid in the inner cavity 102 in the whole operation process, and the first auxiliary interface 11 and the visualization instrument channel structure 111 are kept in a sealed state all the time, so that the risk of tumor implantation diffusion caused by using the visualization instrument is avoided.

As shown in fig. 2 to 3 and fig. 6 to 7, the end effector assembly 21 is located in the inner cavity of the bag body 10, the operation assembly 22 is located outside the bag body 10, the second auxiliary interface 12 is disposed on the wall of the bag body 10, and the operation assembly 22 is detachably connected to the end effector assembly 21 through the second auxiliary interface 12. Specifically, the end effector assembly 21 is connected to the second auxiliary interface 12, and one end of the operating assembly 22 is inserted into the second auxiliary interface 12 and detachably connected to the second auxiliary interface 12, so that the operating assembly 22 is detachably connected to the end effector assembly 21 through the second auxiliary interface 12. At the second auxiliary interface, the second auxiliary interface 12 remains sealed to isolate the interior cavity of the bag from the outside of the bag.

As shown in fig. 2 and 3, the second auxiliary interface 12 includes a positioning member 122, a transmission mechanism, and a second inner bore 124. The positioning element 122 is disposed inside the second inner hole 124, that is, the positioning element 122 is accommodated in the second inner hole. The positioning member 122 is sealingly connected to the second inner bore 124, and according to one embodiment, the outer side of the positioning member 122 is tightly attached to the inner wall of the second inner bore 124, which may be in the form of adhesion or the like. Wherein, end effector assembly 21 sets up in the one end towards the inner chamber of setting element 122, and one end of operating assembly 22 inserts in setting element 122 through the bag body 10 outside and is connected with end effector assembly 21 drivably and detachably. Specifically, the operating assembly 22 and the end effector assembly 21 are coupled by a transmission mechanism. Further, the manipulator assembly 22 and the end-effector assembly 21 are coupled by a positioner 122 and a transmission mechanism. Wherein the second bore 124 communicates with the interior cavity of the pouch body 10, when the retainer 122 is connected to the second bore 124, a seal is formed against the second bore 124 such that the interior cavity of the pouch body 10 at the second auxiliary port 12 is not in communication with the exterior. In this embodiment, the second bore 124 is formed by the bag wall 101 extending outwardly and is open ended, i.e. the opening of the second bore 124.

As shown in fig. 8 to 10, the transmission mechanism transmits the driving force of the operation assembly 22 to the end effector assembly 21. The transmission mechanism comprises a moving member 23 and a connecting rod assembly, and the moving member 23 is movably arranged in the positioning member 122; the linkage assembly is drivingly connected to the end effector assembly 21, wherein the mover 23 is drivingly connected to the linkage assembly to drive movement of the end effector assembly 21 through the linkage assembly. The moving member 23 is movable in the axial direction of the positioning member 122 at the inner wall of the positioning member 122, and the link assembly is connected to the moving member 23 so as to convert the linear motion of the moving member 23 into the grasping and releasing actions of the end effector assembly 21. Specifically, the moving member 23 is movably disposed in the inner hole of the positioning member 122.

End effector assembly 21 includes a first jaw 211 and a second jaw 212, first jaw 211 being coupled to positioner 122; second jaw 212 is rotatably disposed on first jaw 211, wherein a linkage assembly is drivingly connected to second jaw 212 to drive second jaw 212 in rotation relative to first jaw 211.

As shown in fig. 9 and 10, one implementation of the end effector assembly 21 is shown in this example. Specifically, end effector assembly 21 has two jaws: first clamping jaw 211 and second clamping jaw 212, wherein first clamping jaw 211 is fixedly connected to positioning member 122. In another embodiment, the first clamping jaw 211 and the positioning member 122 may be integrally formed.

The first clamping jaw 211 comprises a claw-shaped portion which cooperates with the second clamping jaw 212 to achieve the grabbing and releasing functions, and further comprises a middle portion which is used for fixedly connecting or integrally forming the claw-shaped portion and the end portion, facing the inner cavity 102, of the positioning piece 122, wherein the claw-shaped portion is fixedly connected or integrally formed with the middle portion, and the second clamping jaw 212 is rotatably connected with the first clamping jaw 211 through a pin shaft arranged at the middle portion. The motion power of second clamping jaw 212 comes from a transmission mechanism, specifically, operation assembly 22 drives moving member 23 to move, moving member 23 drives a connecting rod assembly to move, connecting rod assembly drives second clamping jaw 212 to rotate, and connecting rod assembly converts the linear motion of moving member 23 into the rotational motion of second clamping jaw 212. As shown in figures 9 and 10 of the drawings,

the link assembly includes a first link 24 and a second link 26 pivotally connected in sequence, wherein one end of the first link 24 is rotatably connected to the moving member 23, the other end is rotatably connected to one end of the second link 26, and the other end of the second link 26 is fixedly connected to the second clamping jaw 212, and in another embodiment, the other end of the second link 26 and the second clamping jaw 212 may be integrally formed. When the moving member 23 moves, the swinging directions of the first link 24 and the second link 26 are opposite.

The link assembly is provided in a variety of forms, and in this embodiment, a specific implementation is provided, and two links similar to a bicycle chain structure are adopted, and the two links, the first link 24 and the moving member 23, and the second link 26 and the second clamping jaw 212 are rotatably connected through pin shafts and hole matching. Specifically, the moving member 23 moves to drive the first link 24 to move and rotate, the first link 24 drives the second link 26 to move and rotate, and the second link 26 drives the second clamping jaw 212 to rotate relative to the first clamping jaw 211 to achieve the grabbing and releasing functions of the end effector assembly 21. Moving member 23 moves in a direction toward the interior cavity of bag body 10, and second jaw 212 is driven to rotate in a clockwise direction in fig. 7 by first link 24 and second link 26, so that the space between second jaw 212 and first jaw 211 is gradually increased, and the releasing function of end effector assembly 21 is realized; moving member 23 moves in a direction away from the interior cavity of bag body 10 and drives second jaw 212 to rotate in a counterclockwise direction in fig. 7 via first and

second links

24, 26, the space between second jaw 212 and first jaw 211 gradually decreases, and the grasping function of end effector assembly 21 is achieved. The movable member 23 does not disengage from the inner bore of the positioning member 122 during movement to maintain the seal of the movable member 23 to the interior cavity of the pouch 10.

As shown in fig. 10, a sealing member 25 is disposed between the moving member 23 and the positioning member 122, and the sealing member 25 can separate the outer side of the bag body from the inner cavity of the bag body, and prevent the operating assembly 22 from being polluted after the operating assembly 22 is connected with the end effector assembly 21, so that the operating assembly 22 does not bring planting and pollution risks to normal tissues. Specifically, the sealing member 25 may be a sealing ring, the outer wall of the moving member 23 is provided with a circle of mounting groove, and the sealing member 25 is disposed in the mounting groove and is in interference fit with the inner wall of the positioning member 122.

It can be seen that the second auxiliary interface 12 realizes the sealing and isolation between the inner cavity and the outer side of the bag body 10, further prevents the tumor tissue fluid in the inner cavity from polluting the normal tissue on the outer side of the bag body 10, and improves the effect of preventing the tumor from being spread and planted. That is, at the second auxiliary interface 12, the interior cavity 102 of the pouch 10 is isolated from the outside of the pouch 10.

The manipulator assembly 22 in this embodiment is primarily for cooperating with the end effector assembly 21 within the pouch 10 to drive the end effector assembly 21 to grasp or release a tumor.

The operating assembly 22 includes: a handle assembly and a shaft assembly, a distal end of the shaft assembly being removably connected to the end effector assembly. When the shaft assembly is coupled with the end effector assembly, the handle assembly may be manipulated to drive the end effector assembly to perform a corresponding action. The distal end of the shaft assembly refers to the end distal from the handle assembly, and the proximal end of the shaft assembly refers to the end proximal to the handle assembly.

The handle assembly is arranged in the embodiment so as to be convenient for a doctor to control the end effector assembly to act through the handle assembly during operation, the rod body assembly is used for transmitting the power of the handle assembly to the end effector, and the handle assembly adopts a scissor handle-shaped structure so as to be convenient for the doctor to operate.

As shown in fig. 8 and 11, according to one embodiment of the operating assembly 22, the shaft assembly includes an outer sleeve 221 detachably coupled to the positioning member 122 and an operating lever 222 detachably coupled to the moving member 23. The operation rod 222 is movably inserted into the outer sleeve 221, and one end of the outer sleeve 221 is detachably connected to the positioning member 122. And one end of the lever 222 extends from the outer sleeve 221 and is detachably coupled to the end effector assembly 21.

Specifically, as shown in fig. 9, the second auxiliary interface 12 includes a positioning member 122, and one end of an outer sleeve 221 is inserted into the positioning member 122 and is in threaded connection with the positioning member 122. The transmission mechanism comprises a moving member 23, at least a part of the moving member 23 is movably arranged in the positioning member 122, the moving member 23 moves to drive the end effector assembly 21 to move, wherein an operating rod 222 is in threaded connection with the moving member 23, so that the operating rod 222 is detachably connected with the end effector assembly 21 through the moving member 23, and the operating rod 222 moves to drive the moving member 23 to move. More specifically, one end of the outer sleeve 221 is inserted into the positioning member 122 and is screwed with the positioning member 122, and at least a portion of the moving member 23 is movably disposed in the positioning member 122.

As shown in fig. 9, 10 and 12, the length of the operating rod 222 is greater than that of the outer sleeve 221, so that two ends of the operating rod 222 extend out of the outer sleeve 221 respectively, one ends of the outer sleeve 221 and the operating rod 222, which are far away from the handle assembly, are provided with external threads, wherein one end of the operating rod 222 extends out to be in threaded connection with the moving member 23, the other end of the operating rod 222 extends out to be connected with the handle assembly, and the end of the operating rod 222, which is connected with the handle assembly, is provided with a stop portion 225.

As shown in fig. 8, the handle assembly includes a fixed handle 223 and a movable handle 224, the fixed handle 223 being connected to an end of the outer sleeve 221 remote from the end effector assembly 21, the movable handle 224 being connected to an end of the lever 222 remote from the end effector assembly 21. Wherein movable handle 224 is rotatably coupled to fixed handle 223 such that operating lever 222 is moved relative to outer sleeve 221 by driving movable handle 224 to rotate relative to fixed handle 223.

Wherein, fixed handle 223 and movable handle 224 are rotatably connected through the round pin axle, and be equipped with the spring between fixed handle 223 and the movable handle 224, fixed handle 223 and movable handle 224 keep away from the operation hole that the outer tube 221 was held by the hand of operating personnel is equipped with respectively, fixed handle 223 passes through knob 40 rotatably to be connected in the proximal end of outer tube 221, movable handle 224 is connected with the part that the action bars 222 extends proximally, make action bars 222 remove along the lengthwise axial direction of outer tube 221 through driving movable handle 224 rotation, and then drive moving member 23 and remove along the lengthwise axial direction of setting element 122.

As shown in fig. 13, knob 40 has one end connected to outer sleeve 221 and one end connected to fixed handle 223. Specifically, one end of the knob 40 far away from the handle assembly is fixed with the outer sleeve 221, the fixing manner may be screw fixing or other manners well known to those skilled in the art, one end of the knob 40 close to the handle assembly includes a connection protrusion 42, the fixed handle 223 includes a circumferential groove 227, the connection protrusion 42 is in form fit with the circumferential groove 227, so that the knob 40 and the fixed handle form a fixed connection in the longitudinal direction of the outer sleeve 221, and the knob 40 can rotate 360 degrees relative to the fixed handle 223 by taking the longitudinal axis of the outer sleeve 221 as the central axis, and the outer sleeve 221 is driven to rotate by the knob 40. The lever 222 further includes a stop portion 225 and an operation portion 226, wherein the stop portion 225 is spherical, the lever 222 penetrates through the movable handle 224, and the stop portion 225 is located inside the movable handle 224, so that the lever 222 and the movable handle 224 form a fixed connection in a longitudinal axial direction of the lever 222, and the lever 222 can rotate 360 degrees relative to the movable handle 224 about a longitudinal axis of the lever 222, the lever 222 can be driven to rotate by rotating the operation portion 226, and the lever 222 can be driven to move along the longitudinal axial direction of the outer sleeve 221 by rotating the movable handle 224.

In the present invention, the handle assembly 22 on the outside of the pouch is assembled with the end effector assembly 21 located within the interior of the pouch prior to use of the clamping mechanism. Specifically, during assembly, the operating rod 222 is inserted into the positioning member 122, the operating portion 226 of the operating rod 222 is rotated, the operating rod is driven to rotate and is in threaded connection with the moving member 23, the outer sleeve 221 is inserted into the positioning member 122, the outer sleeve 221 is driven to rotate and is in threaded connection with the positioning member 122 by rotating the knob 40, the detachable connection of the operating assembly 22 and the end effector assembly 21 through the second auxiliary interface 12 is completed, and as to whether the outer sleeve 221 is connected or not connected with the operating rod 222 first, no fixed sequence exists, and an operator can select according to use habits. Because the positioning member 122 is connected with the second inner hole, the operator holds the second auxiliary interface 12, particularly the outer wall of the second inner hole, so that the positioning member 122 keeps motionless, for example, another clamp can be inserted into the abdominal cavity, and clamps the second auxiliary interface 12, particularly the outer wall of the second inner hole, so that the positioning member 122 keeps steady, and thus the outer sleeve 221 cannot rotate along with the positioning member 122 when being screwed into the positioning member 122; the displacement member 23 is coupled to the end effector assembly 21, and the end effector assembly 21 is coupled to the positioning member 122 such that the displacement member 23 does not follow rotation of the end effector assembly relative to the positioning member 122 when the lever 222 is rotated. More specifically, the inner wall of the positioning member 122 includes a first section inner wall and a second section inner wall, the first section inner wall being closer to the outside of the bag body 10 than the second section inner wall. The inner wall of the first section is provided with an internal thread, the outer wall of the outer sleeve 221 is provided with an external thread, and the positioning piece 122 is in threaded connection with the outer sleeve 221 through the matching of the internal thread of the inner wall of the first section and the external thread of the outer sleeve 221; the moving member 23 is accommodated in the second section inner wall of the positioning member 122, an inner hole of the moving member 23 is provided with an inner thread, a distal end of the operating lever 222 is provided with an outer thread, and the moving member 23 is in threaded connection with the operating lever 222 through matching of the inner thread of the moving member 23 and the outer thread of the operating lever 222. The distal end of lever 222 refers to the end remote from the handle assembly. In use, movable handle 224 is driven to rotate relative to fixed handle 223, and movable handle 224 rotates to drive lever 222 to slide relative to outer sleeve 221, thereby driving shifter 23 to slide, and second jaw 212 is driven to rotate relative to first jaw 211 via the linkage assembly to open or close end effector assembly 21.

As shown in fig. 1 to 3 and 5, the bag body 10 further includes a main opening 13, and the tissue to be cut is placed into the bag body 10 through the main opening 13. In one embodiment, the main port 13 is formed by extending the wall 101 outward and is open at the end, and the tissue to be rotary cut is placed into the bag 10 through the main port 13, and various medical instruments and rotary cutters can also be operated by extending into the bag 10 through the main port 13. In the state shown in fig. 1 in which the main bag opening 13 is pulled out of the body via the puncture device channel, the main bag opening 13 is adapted to the shape of the puncture device channel at this time, since the bag body 10 is flexible; the main port 13 is shown in a normally open position in fig. 5, and it can be seen that the main port 13 is of a size large enough to allow the tissue to be rotary cut to be placed into the pouch body 10 via the main port 13, as will be described in more detail below with respect to the method of use of the access bag of the present invention.

As shown in fig. 2 and 4, the access bag further includes a seal assembly including a seal cap 14 and a mounting ring 15, the seal assembly being operatively mounted to the main bag mouth 13. The sealing cover 14 and the mounting ring 15 have certain elasticity, and may be made of rubber, for example. The inner side of the sealing cover 14 comprises a circle of protrusions 143 extending along the circumferential direction of the sealing cover 14, the outer side of the mounting ring 15 comprises a circle of depressions 153 extending along the circumferential direction of the mounting ring 15, and the protrusions 143 on the sealing cover and the depressions 153 on the mounting ring are tightly clamped together through form fit, so that the sealing cover 14 and the mounting ring 15 are relatively fixed and sealed. When the bag body 10 at the upper part of the main bag opening 13 is pulled out from the inside of the mounting ring 15, at the moment, the mounting ring 15 is sleeved on the outer side of the upper bag body 10, then the bag body 10 is downwards folded on the outer side of the mounting ring 15, and finally the sealing cover 14 is clamped on the outer side of the mounting ring 15 and clamps the bag body 10 folded on the outer side of the mounting ring 15.

As shown in fig. 4, the sealing cover 14 is further provided with a positioning hole 141 for positioning and mounting the rotary cutter. The positioning hole 141 has a small diameter and a certain elasticity, so that when the rotary cutter is inserted into the positioning hole 141, the positioning hole 141 is sealed due to the elastic property of the material. The rotary cutter is a conventional surgical instrument and will not be described in detail herein. The pouch 10 has an inflated state and an uninflated state, wherein the seal cap 14 further includes a vent 142, the vent 142 being in communication with the interior cavity 102 to inflate the interior cavity through the vent 142 or to vent gas from the interior cavity. The luer valve 30 is operably mounted to the vent port 142 such that opening the luer valve 30 inflates the interior cavity of the bag 10 through the vent port 142 and closing the luer valve maintains the air tightness of the vent port 142. The luer valve is a conventional valve well known to those skilled in the art, and related structures are not described here.

In order to facilitate understanding of the structural arrangement and the use method of the object taking bag of the present invention, the use method of the object taking bag in the operation process is described by the left and right positions of the main bag opening 13, the first auxiliary interface 11 and the second auxiliary interface 12 shown in fig. 2, wherein the main bag opening 13 is located between the second auxiliary interface 12 and the first auxiliary interface 11, the second auxiliary interface 12 is located on the right side of the main bag opening 13, and the first auxiliary interface 11 is located on the left side of the main bag opening 13, specifically:

when tumor peeling is completed, three puncture outfits penetrate into the abdominal cavity to form three channels, wherein the three channels are a first channel, a second channel and a third channel in sequence, firstly, the object feeder is inserted into the abdominal cavity through the first channel, then the object taking bag is placed into a human body through the object feeder and is unfolded, the endoscope is inserted through the second channel to facilitate auxiliary observation, the third channel is inserted into a clamp to put a tumor into the bag body 10 through the main bag opening 13, then the object feeder is extracted, the closing line of the main bag opening 13 is pulled out of the body, and the clamp in the third channel is taken out; inserting a clamp from the first channel through the main pocket 13, inserting one end of the operation component 22 driving the end effector component 21 through the third channel, inserting the operation component 22 into the second auxiliary interface 12 with the aid of the clamp in the first channel, establishing connection with the end effector component 21 through the second auxiliary interface 12, and extending the front end of the endoscope in the second channel into the visualization instrument channel structure 111; taking out the clamp in the first channel, tightening the main bag opening 13 by using the closing line, and pulling the main bag opening 13 out of the body; the mounting ring 15 is sleeved outside the main bag opening 13, the main bag opening 13 is unfolded and then turned over, and the sealing cover 14 is covered on the mounting ring 15; inserting the rotary cutter into the positioning hole 141 of the sealing cover 14, installing the luer valve 30 on the air vent 142, opening the luer valve 30 to inflate the bag body 10 to fill the inner cavity of the bag body 10, then rotary cutting the myoma in the inner cavity by the rotary cutter, and in the rotary cutting process, assisting to clamp the tissue by the end effector assembly 21 so as to facilitate the rotary cutter to cut the tissue, and observing the cutting condition of the endoscope in real time. After the rotary cutting is completed, the operation assembly 22 is separated from the second auxiliary interface 12, so as to be separated from the end effector assembly 21 and drawn out of the body, the endoscope is drawn out of the visualization instrument channel structure 111 and drawn out of the body, and finally the object taking bag is taken out of the human body. In the whole operation process, only the main bag opening 13 needs to be pulled out of the body in the operation process, and the visualization instrument 50 is not polluted after myoma is rotary cut, so that the visualization instrument 50 does not pollute the first auxiliary interface 11 and other tissue organs when being pulled out, and the end effector assembly 21 is arranged in the bag body 10 without being pulled out, so that the second auxiliary interface 12, the operation assembly and other tissue organs are not polluted, and the problem of easy diffusion planting in the operation process is solved.

In summary, in this embodiment, the object taking bag may use various auxiliary devices, such as an endoscope and a clamp, and various device interfaces are always kept sealed during the use process, and the object taking bag does not need to be pulled out of the body, so that the convenience of use of the object taking bag is improved, and meanwhile, secondary pollution to other tissues and organs is avoided. The visual instrument channel structure 111 is connected with the first auxiliary interface 11, and the visual instrument 50 extends into the visual instrument channel structure 111 for observation, so that the visual instrument 50 is not contacted with tumor tissue fluid, and other tissues are not polluted when the visual instrument 50 is taken out; the end effector assembly 21 is connected with the second auxiliary interface 12 and is arranged in the bag body 10, so that the end effector assembly 21 does not need to be taken out from the inner cavity of the object taking bag when the operation is finished, and the problem that tumor tissue fluid pollutes other tissues when the end effector assembly 21 is taken out is avoided. Therefore, the object taking bag can adapt to various auxiliary instruments to improve the use convenience, and simultaneously, the problem of tumor planting diffusion caused by the fact that the instruments enter and exit the object taking bag is avoided.

The first auxiliary interface 11, the second auxiliary interface 12 and the main bag opening 13 extend outwards relative to the inner cavity 102 of the bag body 10, so that auxiliary instruments are aligned and connected with the corresponding auxiliary interfaces, and the main bag opening 13 is conveniently closed by a wire, so that the operation is more convenient and simple.

It should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is for clarity only, and that the skilled artisan should recognize that the embodiments may be combined as appropriate to form other embodiments that will be understood by those skilled in the art.

The above list of detailed descriptions is only specific to practical embodiments of the present invention, and they are not intended to limit the scope of the present invention, and all equivalent embodiments or modifications that do not depart from the spirit of the present invention should be included in the scope of the present invention.

Claims

1. A bag for taking out objects, characterized in that the bag for taking out objects comprises:

the bag body (10), the bag body (10) comprises a bag wall (101), an inner cavity (102), a first auxiliary interface (11) and a second auxiliary interface (12), wherein the first auxiliary interface (11) and the second auxiliary interface (12) are both arranged on the bag wall (101);

a visualization instrument channel structure (111), the visualization instrument channel structure (111) being connected with the first auxiliary interface (11), the visualization instrument channel structure (111) forming a channel closed to the inner cavity (102) of the bag body (10) for receiving a visualization instrument (50) for viewing the inner cavity of the bag body (10);

an end effector assembly (21), the end effector assembly (21) being disposed in the interior cavity of the pouch (10) and connected to the second auxiliary interface (12), the end effector assembly (21) being driven to perform gripping and releasing actions.

2. The bag according to claim 1, characterized in that at the second auxiliary interface (12), the second auxiliary interface (12) isolates the inner cavity (102) of the bag body (10) from the outside of the bag body (10).

3. The bag according to claim 1 or 2, wherein the second auxiliary interface (12) comprises a positioning element (122) and a second internal hole (124) formed by the bag wall (101); the second inner hole is communicated with the inner cavity and the outer side of the bag body (10), and the positioning piece (122) is connected with the second inner hole in a sealing way; the end effector assembly (21) is coupled to the positioning member (122).

4. A bag according to claim 3, wherein the second auxiliary interface (12) further comprises a moving member (23), the moving member (23) being movably arranged in the positioning member (122), a sealing member being arranged between the moving member (23) and the positioning member (122); the end effector assembly (21) is drivably connected with the moving member (23).

5. The access bag according to claim 1, characterized in that the visualization instrument channel structure (111) is in sealing connection with the first auxiliary interface (11).

6. The bag of claim 5, wherein the first auxiliary interface (11) comprises a first inner bore (114), the first inner bore (114) being in communication with both the inner cavity (102) and an outside of the bag body (10), the visualization instrument channel structure (111) being at least partially disposed in the first inner bore (114) and being in sealing connection with the first inner bore (114).

7. The bag of claim 1, wherein the visualization instrument channel structure (111) comprises an end facing the interior cavity (102), the end being of closed configuration forming a channel closed to the interior cavity (102) of the bag body (10).

8. The bag according to claim 1, wherein the bag body (10) comprises a main mouth (13) through which tumour tissue is placed into the inner cavity of the bag body.

9. The bag of claim 8, further comprising:

a seal assembly operably mounted to the main pocket (13), wherein the seal assembly includes a locating hole (141) to locate a mounting lathe cutter.

10. The bag of claim 9, wherein the bag body (10) has an inflated state and an uninflated state, wherein a vent (142) is provided on the seal assembly, the vent (142) being in communication with the interior cavity to inflate the interior cavity through the vent (142) or to vent gas from the interior cavity.