CN219814082U - Laparoscope locking device, switching device and lens holding system - Google Patents

Abstract

The utility model discloses a laparoscope locking device, a switching device and a lens holding system, wherein the laparoscope locking device comprises: a knob, wherein a first thread is arranged on the inner side of the knob; the positioning sleeve is detachably connected with the knob, one side of the positioning sleeve, which is connected with the knob, is provided with a binding opening structure, the inner side of the binding opening structure is provided with a containing cavity, and the containing cavity is used for penetrating the laparoscope; the outside of restraint mouthful structure is provided with the second screw thread, the second screw thread with screw thread cooperation between the first screw thread, so that can pass through the knob with restraint mouthful structure is to wearing to locate the laparoscopic instrument of the different specifications in holding the intracavity forms locking and unblock, so that the universalization development of laparoscopic instrument.

Description

Laparoscope locking device, switching device and lens holding system

Technical Field

The utility model relates to the technical field of medical equipment, in particular to a laparoscope locking device, a switching device and a lens holding system.

Background

With the development of telemedicine, laparoscopic robotic systems have been widely used. The laparoscopic robot system generally comprises a control device and a mechanical arm which are in communication connection, wherein the control device transmits operation information of a doctor to the mechanical arm, the mechanical arm simulates arm actions of the doctor, and a laparoscopic tube is inserted into a patient body, so that the laparoscopic tube can be matched with the doctor to perform remote operation.

In the prior art, the laparoscopic robot system and the laparoscope are generally used in a complete set, namely, when a specific mechanical arm is used, the matched laparoscope is also needed, so that the universality of the laparoscope is poor, and the use cost of the laparoscopic robot system is also increased.

Disclosure of Invention

The utility model aims to provide a laparoscope locking device, a switching device and a lens holding system, which aim to solve the technical problem that a laparoscope is difficult to be commonly used in the prior art.

According to an aspect of the present utility model, there is provided a laparoscopic locking device including:

a knob, wherein a first thread is arranged on the inner side of the knob;

the positioning sleeve is detachably connected with the knob, one side of the positioning sleeve, which is connected with the knob, is provided with a binding opening structure, the inner side of the binding opening structure is provided with a containing cavity, and the containing cavity is used for penetrating the laparoscope; the outside of restraint mouthful structure is provided with the second screw thread, the second screw thread with screw thread cooperation between the first screw thread, so that can pass through the knob with restraint mouthful structure is to wearing to locate the laparoscopic system who holds the intracavity forms locking and unblock.

Optionally, upon rotation of the knob in a first direction, the collar structure is capable of collapsing until it abuts against the laparoscope in the receiving cavity to lock the laparoscope; when the knob is rotated in a second direction, the cinch structure can be deployed until separated from the laparoscope in the receiving cavity to unlock the laparoscope, the second direction being opposite to the first direction.

Optionally, the beam port structure is a cylindrical structure, the second thread is located on the periphery of the cylindrical structure, and the outer diameter of the cylindrical structure can be changed in the rotation process of the knob.

Optionally, the beam mouth structure includes two beam mouth parts, two beam mouth parts set up relatively and the lock forms hold the chamber, every beam mouth part's outside all is provided with the second screw thread.

Optionally, the beam mouth structure includes four beam mouth parts, four beam mouth parts two by two symmetry set up and the lock forms hold the chamber, every beam mouth part's outside all is provided with the second screw thread.

According to another aspect of the present utility model, there is provided a laparoscopic adaptor device, the laparoscopic adaptor device includes an adaptor and the laparoscopic locking device described above, a mounting portion is provided on a side of the positioning sleeve away from the bundle port structure, the adaptor is sleeved on the mounting portion, and a connection portion is provided on the adaptor.

Optionally, a key is movably arranged on the positioning sleeve, and the key is positioned at one side of the mounting part far away from the beam port structure; the button includes button body and the first bulge that links to each other, the adaptor is close to one side of button has seted up first through-hole, first through-hole with first bulge position is relative, first bulge can wear to locate in the first through-hole, so that the locating sleeve with the adaptor forms the joint.

Optionally, a second through hole is formed on a side, opposite to the first protruding portion, of the mounting portion, and when the key is in a pressed state, the first protruding portion can be separated from the first through hole and move into the second through hole, so that the positioning sleeve and the adapter are released from clamping; when the key is in a release state, the first protruding part can penetrate through the first through hole, so that the positioning sleeve and the adapter form clamping connection.

Optionally, the number of button is two, two the button symmetry set up in on the positioning sleeve, every the button all includes first bulge, the adaptor is close to two the both sides of button have been seted up respectively first through-hole, every first bulge all can wear to locate relative one in the first through-hole, so that positioning sleeve can follow relative both sides with the adaptor forms the joint.

According to still another aspect of the present utility model, there is provided a laparoscopic system including a laparoscope, a mechanical arm, and the above-described laparoscopic locking device, the laparoscopic locking device being disposed on the mechanical arm, the laparoscope being inserted into the accommodating cavity;

or, the laparoscopic switching device comprises a laparoscope, a mechanical arm and the laparoscopic switching device, wherein the connecting part on the switching piece is connected with the mechanical arm, and the laparoscope is arranged in the accommodating cavity in a penetrating way.

Optionally, the laparoscopic handheld system includes the laparoscopic switching device, a clamping groove is provided on the mechanical arm, the connecting portion is a second protruding portion, and the second protruding portion is clamped with the clamping groove.

The utility model has the technical effects that one side connected with the knob through the positioning sleeve is provided with a beam port structure, and the inner side of the beam port structure is provided with a containing cavity for penetrating the laparoscope; and the outside of restrainting the mouth structure is provided with the second screw thread, screw thread cooperation between second screw thread and the first screw thread to can form locking and unblock to the peritoneoscope of wearing to locate the different specifications that hold the intracavity through the cooperation of knob and restraint mouth structure, so that the universalization development of peritoneoscope.

Other features of the present utility model and its advantages will become apparent from the following detailed description of exemplary embodiments of the utility model, which proceeds with reference to the accompanying drawings.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description, serve to explain the principles of the utility model.

FIG. 1 is a schematic view of a laparoscopic locking device (laparoscopic switching device) according to an embodiment of the present utility model;

FIG. 2 is another schematic view of a laparoscopic locking device (laparoscopic switching device) according to an embodiment of the present utility model;

FIG. 3 is a top view of a laparoscopic locking device (laparoscopic adapter) according to an embodiment of the present utility model;

FIG. 4 is an exploded view of a laparoscopic locking device (laparoscopic adapter) according to an embodiment of the present utility model;

fig. 5 is a schematic structural view of a positioning sleeve according to an embodiment of the present utility model.

Reference numerals illustrate:

1. a knob; 2. positioning a sleeve; 21. a bundle port structure; 22. a mounting part; 221. a second through hole; 23. a key; 231. a key body; 232. a first projection; 3. an adapter; 31. a connection part; 32. a first through hole.

Detailed Description

Various exemplary embodiments of the present utility model will now be described in detail with reference to the accompanying drawings. It should be noted that: the relative arrangement of the components and steps, numerical expressions and numerical values set forth in these embodiments do not limit the scope of the present utility model unless it is specifically stated otherwise.

The following description of at least one exemplary embodiment is merely exemplary in nature and is in no way intended to limit the utility model, its application, or uses.

Techniques and equipment known to those of ordinary skill in the relevant art may not be discussed in detail, but should be considered part of the specification where appropriate.

In all examples shown and discussed herein, any specific values should be construed as merely illustrative, and not a limitation. Thus, other examples of exemplary embodiments may have different values.

It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further discussion thereof is necessary in subsequent figures.

The utility model provides a laparoscope locking device which can be applied to a medical robot system or a laparoscope holding mechanical arm for connecting a laparoscope. The laparoscope locking device is used as a separate structure independent of the laparoscope, the laparoscope can be installed and disassembled in a portable mode by utilizing the specific structure in the laparoscope locking device, laparoscopes of different types and sizes can be matched through the laparoscope locking device, and the assembly applicability of the laparoscope is improved. In addition, the laparoscope can be connected with other structures such as a robot or a mechanical arm through the laparoscope locking device, so that the switching function of the laparoscope is realized, the switching function is separated from the laparoscope, the arrangement of related parts of the laparoscope can be reduced, and the structural complexity of the laparoscope is reduced.

As shown in fig. 1 to 4, a laparoscopic locking device provided by an embodiment of the present utility model includes:

a knob 1, wherein a first thread is arranged on the inner side of the knob 1;

the positioning sleeve 2 is detachably connected with the knob 1, one side, connected with the knob 1, of the positioning sleeve 2 is provided with a beam port structure 21, and an accommodating cavity is formed in the inner side of the beam port structure 21 and used for penetrating the laparoscope; the outside of the beam port structure 21 is provided with a second thread, and the second thread is in threaded fit with the first thread, so that the laparoscope penetrating through the accommodating cavity can be locked and unlocked through the knob 1 and the beam port structure 21.

In the orientations described in the embodiments of the utility model below, the laparoscopic lock device is positioned with the end of the laparoscopic lock device closer to the patient being the "proximal end" and the end farther from the patient being the "distal end".

As shown in fig. 1 and 2, the embodiment of the present utility model provides that the inner side of the knob 1 has a first thread so that the knob 1 is coupled to the positioning sleeve 2 by the first thread and the thread of the positioning sleeve 2 to form a detachable connection between the knob 1 and the positioning sleeve 2. The outer side of the knob 1 can be also threaded or frosted, so that the roughness of the surface of the knob 1 can be increased, the knob 1 can be rotated conveniently, and the operation convenience of the laparoscopic locking device is improved.

As shown in fig. 1 and fig. 2, the positioning sleeve 2 and the knob 1 are detachably connected, for example, the positioning sleeve 2 and the knob 1 can be connected in a threaded manner, a clamping manner, a hinging manner and other connection manners, so that the laparoscope can be conveniently penetrated, and meanwhile, the positioning sleeve 2 and the knob 1 can be conveniently detached and replaced, so that the service life of the laparoscope locking device is prolonged.

Specifically, the side of the positioning sleeve 2 connected to the knob 1 has a collar structure 21, that is, the distal end of the positioning sleeve 2 has a collar structure 21. The stoma structure 21 may be a hollow structure, i.e. the inside of the stoma structure 21 is formed with a receiving cavity, which may be used for threading a laparoscope, thereby enabling the laparoscope to be fixed on the laparoscopic locking device.

The size of the beam port structure 21 can be adjusted, for example, when the beam port structure 21 is in a cylindrical structure, the diameter of the beam port structure 21 can be changed, and the inner diameter (namely the diameter of the accommodating cavity) of the corresponding beam port structure 21 can be changed, so that the beam port structure 21 can be fixed to laparoscopes of different specifications, the applicability of the laparoscopic locking device is improved, and the laparoscopic locking device is convenient for the generalized development of the laparoscopes. For example, the collar structure 21 may be provided to include a plurality of collar portions, with a movable space formed therebetween, so that the diameter of the collar structure 21 can be adjusted by movement between the plurality of collar portions; the collar structure 21 may also be made of elastic material to adjust the diameter of the collar structure 21 by rotation of the knob 1.

As shown in fig. 4 and 5, the outer side of the collar structure 21 is provided with a second thread, and the second thread is in threaded fit with the first thread on the inner side of the knob 1, so that threaded connection can be formed between the collar structure 21 and the knob 1. When the knob 1 is rotated, the knob 1 can drive the beam port structure 21 to shrink so as to lock the laparoscope penetrating through the accommodating cavity, thereby being convenient for the use of the laparoscope; when the knob 1 is rotated reversely, the knob 1 can drive the beam port structure 21 to be unfolded so as to unlock the laparoscope penetrating through the accommodating cavity, so that the laparoscope can be conveniently replaced. Meanwhile, the laparoscope locking device can be used for conveniently locking and unlocking a laparoscope, so that the operation difficulty during operation is reduced, and the laparoscope locking device is simple in structure and has certain advantages in the aspects of production cost, production difficulty and the like.

Optionally, upon rotation of the knob 1 in a first direction, the collar structure 21 can be contracted until it abuts against the laparoscope in the receiving cavity to lock the laparoscope; upon rotation of the knob 1 in a second direction, which is opposite to the first direction, the stoma structure 21 can be deployed until separated from the laparoscope in the receiving cavity to unlock the laparoscope.

Specifically, when the knob 1 is rotated in the first direction, the collar structure 21 can be contracted, for example, the first direction may be clockwise, and when the knob 1 is rotated in the clockwise direction, the collar structure 21 can be driven to contract by using the threaded fit between the second thread and the first thread, so that the dimension of the collar structure 21 is continuously reduced, and the dimension of the accommodating cavity in the corresponding collar structure 21 is continuously reduced until the collar structure abuts against the laparoscope penetrating through the accommodating cavity, so as to form reliable locking on the laparoscope.

And when the knob 1 is rotated along the second direction, the beam port structure 21 can be unfolded, for example, the second direction can be anticlockwise, when the knob 1 is rotated along the anticlockwise direction, the beam port structure 21 can be driven to be unfolded by utilizing the threaded fit between the second threads and the first threads, so that the size of the beam port structure 21 is continuously increased, the size of a containing cavity in the corresponding beam port structure 21 is also continuously increased until the beam port structure is separated from a laparoscope penetrating through the containing cavity, so that unlocking of the laparoscope is formed, and convenient replacement of the laparoscope can be performed at the moment.

The first direction may be a counterclockwise direction and the second direction may be a clockwise direction, depending on the design of the actual laparoscopic locking device.

Optionally, the collar structure 21 has a cylindrical structure, and the second thread is located on the outer circumference of the cylindrical structure, and the outer diameter of the cylindrical structure can be changed during the rotation of the knob 1.

As shown in fig. 5, the collar structure 21 according to the embodiment of the present utility model may be a cylindrical structure, that is, the cross section of the collar structure 21 is circular, and the second thread is located on the outer periphery of the cylindrical structure, so as to facilitate the setting of the second thread and also facilitate the formation of a reliable threaded connection with the knob 1. Wherein, can set up second screw thread evenly distributed on cylindrical structure's periphery for the transmission of the power between first screw thread and the second screw thread is more even, thereby guarantees the whole uniformity and the stability of beam mouth structure 21 flexible and expansion in-process, also makes the laparoscopic surface that is located the holding intracavity can even atress, has reduced the impaired risk of peritoneoscope.

And, at the in-process of rotatory knob 1, utilize threaded connection between first screw thread and the second screw thread, can drive the beam mouth structure 21 shrink or expansion of cylindrical structure for cylindrical structure's external diameter can change correspondingly, in order to be located and hold the intracavity laparoscope and form locking and unblock, be convenient for simultaneously the laparoscope and carry out convenient switching between locking and unblock two kinds of states, in order to adapt to different operation needs.

Optionally, the collar structure 21 includes two collar portions, the two collar portions are disposed opposite to each other and fastened to form the accommodating cavity, and the second threads are disposed on the outer side of each collar portion.

Specifically, the beam mouth structure 21 provided in the embodiment of the present utility model may include two beam mouth portions, and a movable space is left between the two beam mouth portions. The two beam openings are oppositely arranged and can be buckled to form a containing cavity, the laparoscope can be penetrated into the containing cavity, and second threads are arranged on the outer sides of the two beam openings so as to be in threaded connection with first threads on the inner sides of the knobs 1, so that the two beam openings can be mutually close to each other and form locking on the laparoscope under the rotation driving of the knobs 1, or the two beam openings can be mutually far away from each other and form unlocking on the laparoscope under the rotation driving of the knobs 1.

Preferably, the structures of the two beam openings are identical, that is, the two beam openings are symmetrically arranged, so that the beam opening structure 21 can be uniformly contracted and expanded under the rotation drive of the knob 1, the overall consistency and stability of the beam opening structure 21 in the expansion and expansion process are ensured, the laparoscopic surface positioned in the accommodating cavity can be uniformly stressed, and the damage risk of the laparoscope is reduced. Meanwhile, the structure of the two beam openings is identical, so that the two beam openings can be used interchangeably, and the production difficulty of the laparoscope locking device is reduced.

Optionally, the collar structure 21 includes four collar portions, and the four collar portions are symmetrically disposed in pairs and buckled to form the accommodating cavity, and the second threads are disposed on the outer side of each collar portion.

As shown in fig. 5, the beam mouth structure 21 according to the embodiment of the present utility model may include four beam mouth portions, and a movable space is left between any two adjacent beam mouth portions. The four beam openings are oppositely arranged and can be buckled to form a containing cavity, the laparoscope can be arranged in the containing cavity in a penetrating mode, second threads are arranged on the outer sides of the four beam openings and are in threaded connection with first threads on the inner sides of the knobs 1, and accordingly the four beam openings can be mutually close to each other and lock the laparoscope under the rotation driving of the knobs 1 or can be mutually far away and unlock the laparoscope under the rotation driving of the knobs 1.

The four beam openings are preferably identical in structure, namely, the four beam openings are symmetrically arranged, so that the beam opening structure 21 can be uniformly contracted and expanded under the rotation drive of the knob 1, the whole consistency and stability of the beam opening structure 21 in the expansion and expansion process are ensured, the laparoscopic surface positioned in the accommodating cavity can be uniformly stressed, and the damage risk of the laparoscope is reduced. And meanwhile, the four beam openings are completely identical in structure, so that the four beam openings are convenient to interchange and use, and the production difficulty of the laparoscope locking device is reduced.

The utility model also provides a laparoscope switching device which comprises the switching piece 3 and the laparoscope locking device, and can realize switching of a laparoscope and other structures such as a robot or a mechanical arm.

Specifically, as shown in fig. 4, a mounting portion 22 is provided on a side of the positioning sleeve 2 away from the stoma structure 21, and the adaptor 3 is sleeved on the mounting portion 22, that is, the adaptor 3 may be disposed near the proximal end of the laparoscope. The connecting part 31 is arranged on the adapter 3, the adapter 3 can be connected to the mechanical arm by utilizing the connecting part 31, for example, other connecting modes such as clamping connection, bonding, screw connection and the like can be arranged between the connecting part 31 and the mechanical arm, so that the transfer function of the laparoscope can be realized, the transfer function is separated from the laparoscope, the setting of the related transfer part of the laparoscope can be reduced, the structural complexity of the laparoscope is reduced, and the application range of the laparoscope transfer device is improved.

Optionally, a key 23 is further movably disposed on the positioning sleeve 2, and the key 23 is located at a side of the mounting portion 22 away from the collar structure 21; the key 23 includes a key body 231 and a connected first protruding portion 232, a first through hole 32 is formed in a side, close to the key 23, of the adapter 3, the first through hole 32 is opposite to the first protruding portion 232, and the first protruding portion 232 can be inserted into the first through hole 32, so that the positioning sleeve 2 and the adapter 3 form a clamping connection.

As shown in fig. 1, 2, 4 and 5, the positioning sleeve 2 is further movably provided with a key 23, that is, the key 23 can move on the positioning sleeve 2, so as to be close to the axis of the positioning sleeve 2 until the pressing state or far away from the axis of the positioning sleeve 2 until the releasing state, thereby realizing connection and disconnection of the adaptor 3 and the positioning sleeve 2 by using different states of the key 23, and improving the applicable scene of the laparoscopic adaptor device.

Specifically, the key 23 may include a key body 231 and a connected first protruding portion 232, where the key 23 is generally integrally formed, so as to facilitate convenient and reliable state switching of the key 23. The key 23 is located on a side of the mounting portion 22 away from the stoma structure 21, i.e. the key 23 may be located near the proximal end of the laparoscope, so as to facilitate operation of the key 23 during surgery.

And, the side of the adaptor 3 close to the key 23 is correspondingly provided with a first through hole 32, and the first through hole 32 is opposite to the first protruding part 232, so that the state switching of the key 23 can be realized by utilizing the cooperation between the first through hole 32 and the first protruding part 232. When the adaptor 3 is mounted on the mounting portion 22, the first protruding portion 232 can be embedded in the first through hole 32, so that the key 23 and the adaptor 3 form a clamping connection, and connection between the adaptor 3 and the positioning sleeve 2 is achieved.

Optionally, a second through hole 221 is provided on a side of the mounting portion 22 opposite to the first protruding portion 232, and when the key 23 is in a pressed state, the first protruding portion 232 can be separated from the first through hole 32 and move into the second through hole 221, so that the positioning sleeve 2 is disengaged from the adaptor 3; when the key 23 is in the released state, the first protruding portion 232 may be inserted into the first through hole 32, so that the positioning sleeve 2 and the adapter 3 form a clamping connection.

As shown in fig. 4 and 5, the side of the mounting portion 22 opposite to the first protruding portion 232 is further provided with a second through hole 221, and the second through hole 221 is used for providing a certain movement space for the first protruding portion 232, so as to facilitate the state switching of the key 23.

When the key 23 is in a pressed state, that is, the key 23 is close to the axis of the positioning sleeve 2, the first protruding part 232 can be separated from or slide out of the first through hole 32 and move into the second through hole 221, so that the positioning sleeve 2 and the adapter 3 are released from clamping connection, and the adapter 3 is convenient to replace; when the key 23 is in a released state, that is, the key 23 is far away from the axis of the positioning sleeve 2, the first protruding portion 232 can be embedded in the first through hole 32, so that the positioning sleeve 2 and the adaptor 3 form a clamping connection, and the switching function of the laparoscope can be realized.

Optionally, the number of the keys 23 is two, the two keys 23 are symmetrically arranged on the positioning sleeve 2, each key 23 includes a first protruding portion 232, two sides of the adaptor 3, which are close to the two keys 23, are respectively provided with a first through hole 32, and each first protruding portion 232 can be inserted into one of the first through holes 32, so that the positioning sleeve 2 can form a clamping connection with the adaptor 3 from two opposite sides.

Specifically, the positioning sleeve 2 provided by the embodiment of the utility model can be provided with two keys 23, the two keys 23 are generally arranged oppositely along the diameter of the positioning sleeve 2, and the two keys 23 have the same structure, so that the adapter 3 can form clamping connection with the positioning sleeve 2 from the two opposite sides of the positioning sleeve 2, the reliability and the stability of the connection between the adapter 3 and the positioning sleeve 2 are improved, and the structural reliability of the laparoscope adapter is also improved. The adaptor 3 may have a symmetrical structure, so that the adaptor 3 and the positioning sleeve 2 are conveniently connected, and the beauty of the laparoscopic adaptor device with the adaptor 3 can be improved.

The utility model also provides a laparoscope holding system, which comprises a laparoscope, a mechanical arm and the laparoscope locking device, wherein the laparoscope locking device is arranged on the mechanical arm, and the laparoscope is arranged in the accommodating cavity in a penetrating way so as to lock and unlock the laparoscope through the laparoscope locking device;

or, the laparoscopic system comprises a laparoscope, a mechanical arm and the laparoscopic switching device, wherein the connecting part 31 on the switching piece 3 is connected with the mechanical arm, and the laparoscope is arranged in the accommodating cavity in a penetrating way, so that the switching of the laparoscope can be realized through the laparoscopic switching device.

It should be noted that, since the specific structure, functional principle and technical effects of the laparoscopic locking device and the laparoscopic switching device are described in detail in the foregoing, they are not described in detail herein. Accordingly, any technical content regarding the laparoscopic locking device and the laparoscopic switching device may be referred to the foregoing description.

Optionally, the laparoscopic system includes the laparoscopic switching device, be provided with the draw-in groove on the arm, connecting portion 31 is the second bulge, the second bulge with draw-in groove joint to can realize the convenient loading and unloading of laparoscopic switching device and arm, improve the application range of this laparoscopic system.

The foregoing embodiments mainly describe differences between the embodiments, and as long as there is no contradiction between different optimization features of the embodiments, the embodiments may be combined to form a better embodiment, and in consideration of brevity of line text, no further description is given here.

While certain specific embodiments of the utility model have been described in detail by way of example, it will be appreciated by those skilled in the art that the above examples are for illustration only and are not intended to limit the scope of the utility model. It will be appreciated by those skilled in the art that modifications may be made to the above embodiments without departing from the scope and spirit of the utility model. The scope of the utility model is defined by the appended claims.

Claims (11)

1. A laparoscopic lock device, comprising:

the rotary knob (1), the inner side of the rotary knob (1) is provided with a first thread;

the positioning sleeve (2) is detachably connected with the knob (1), one side, connected with the knob (1), of the positioning sleeve (2) is provided with a beam port structure (21), and an accommodating cavity is formed in the inner side of the beam port structure (21) and used for penetrating a laparoscope; the outside of restraint mouthful structure (21) is provided with the second screw thread, the second screw thread with screw thread cooperation between the first screw thread is in order to can pass through knob (1) with restraint mouthful structure (21) to wear to locate the peritoneoscope that holds the intracavity forms locking and unblock.

2. A laparoscopic locking device according to claim 1, characterized in that the stoma structure (21) is collapsible until it abuts against a laparoscope in the receiving cavity upon rotation of the knob (1) in a first direction to lock the laparoscope; upon rotation of the knob (1) in a second direction, which is opposite to the first direction, the collar structure (21) can be unfolded until separated from the laparoscope in the receiving cavity to unlock the laparoscope.

3. A laparoscopic locking device according to claim 2, characterized in that said port structure (21) has a cylindrical structure, said second thread being located on the outer periphery of said cylindrical structure, the outer diameter of said cylindrical structure being variable during rotation of said knob (1).

4. A laparoscopic lock according to claim 3, wherein said port structure (21) comprises two port portions, said port portions being disposed opposite each other and snap-fit to form said receiving cavity, and said second threads being disposed on the outer side of each port portion.

5. A laparoscopic locking device according to claim 3, characterized in that said port structure (21) comprises four port portions, said port portions being symmetrically arranged in pairs and snap-fit to form said receiving cavity, said second threads being provided on the outer side of each port portion.

6. A laparoscopic adaptor device, characterized by comprising an adaptor (3) and the laparoscopic locking device according to any one of claims 1 to 5, wherein a mounting part (22) is arranged on one side of the positioning sleeve (2) away from the bundle port structure (21), the adaptor (3) is sleeved on the mounting part (22), and a connecting part (31) is arranged on the adaptor (3).

7. The laparoscope switching device according to claim 6, wherein a key (23) is further movably arranged on the positioning sleeve (2), and the key (23) is positioned on one side of the mounting part (22) away from the bundle port structure (21); the button (23) includes button body (231) and continuous first bulge (232), adaptor (3) are close to one side of button (23) has seted up first through-hole (32), first through-hole (32) with first bulge (232) position is relative, first bulge (232) can wear to locate in first through-hole (32), so that positioning sleeve (2) with adaptor (3) formation joint.

8. The laparoscopic adaptor device according to claim 7, characterized in that a second through hole (221) is provided on the opposite side of the mounting part (22) to the first protruding part (232), and when the key (23) is in a pressed state, the first protruding part (232) can be separated from the first through hole (32) and move into the second through hole (221) so as to enable the positioning sleeve (2) to be disengaged from the adaptor (3); when the key (23) is in a release state, the first protruding part (232) can be arranged in the first through hole (32) in a penetrating mode, so that the positioning sleeve (2) and the adapter (3) form clamping connection.

9. The laparoscopic adaptor device according to claim 8, wherein the number of the keys (23) is two, the two keys (23) are symmetrically arranged on the positioning sleeve (2), each key (23) comprises a first protruding portion (232), the two sides, close to the two keys (23), of the adaptor (3) are respectively provided with a first through hole (32), each first protruding portion (232) can be arranged in one of the first through holes (32) in a penetrating manner, so that the positioning sleeve (2) can be clamped with the adaptor (3) from two opposite sides.

10. A laparoscopic hand-held system comprising a laparoscope, a mechanical arm and the laparoscopic locking device according to any one of claims 1 to 5, wherein the laparoscopic locking device is arranged on the mechanical arm, and the laparoscope is penetrated in the accommodating cavity;

alternatively, comprising a laparoscope, a mechanical arm and a laparoscopic adaptor as claimed in any one of claims 6 to 9, wherein the connection part (31) on the adaptor (3) is connected to the mechanical arm, and the laparoscope is arranged in the accommodating cavity in a penetrating way.

11. The laparoscope-holding system according to claim 10, wherein the laparoscope-holding system comprises the laparoscope switching device, the mechanical arm is provided with a clamping groove, and the connecting part (31) is a second protruding part, and the second protruding part is clamped with the clamping groove.