CN116058969A - Sterile isolation device and its assembly method and installation method - Google Patents

Abstract

The invention relates to the field of medical surgical instruments, in particular to a sterile isolation device, an assembly method and an installation method thereof, which comprise the following steps: a sterile cover and isolation assembly; the sterile cover consists of a first opening, a second opening and a plastic sterile cover body positioned between the first opening and the second opening; the isolation assembly comprises a first isolation plate, a second isolation plate and a connecting device arranged between the first isolation plate and the second isolation plate. The sterile cover of the sterile isolation device covers most parts on the mechanical arm, so that the parts in a sterile area only comprise an instrument box, a sleeve and a sleeve fixing seat; only the first opening used for connecting the fixing sheet of the sterile cover and the second opening used for penetrating the part needing to be covered are arranged on the sterile cover, no extra opening exists, the installation is more convenient, and the risk of loose isolation does not exist.

Description

Sterile isolation device and its assembly method and installation method

This application is a divisional application of the Chinese patent application 202111268032.6 entitled "Aseptic isolation device and its assembly method and installation method" filed on October 29, 2021.

technical field

The invention relates to the field of medical surgical instruments, in particular to an aseptic isolation device and its assembly method and installation method.

Background technique

Minimally invasive surgery refers to a surgical method that uses modern medical instruments such as laparoscopy and thoracoscopy and related equipment to perform surgery inside the human cavity. Compared with traditional surgical methods, minimally invasive surgery has the advantages of less trauma, less pain, and faster recovery. However, due to the limitation of incision size in minimally invasive surgery, minimally invasive instruments are greatly increased in operation difficulty, and the fatigue and trembling of doctors during long-term surgery will be amplified, which restricts the development of minimally invasive surgery technology. The key factor. With the development of robotic technology, a new technology in the field of minimally invasive medical care that can overcome its shortcomings and inherit its advantages - minimally invasive surgery robot technology has emerged as the times require.

During robot-assisted minimally invasive surgery, doctors perform surgical tasks with the help of slender minimally invasive surgical instruments, and need to keep the area adjacent to the patient under sterile conditions. However, the motors, sensors, encoders, and electrical connections necessary to control the movement of surgical instruments often cannot be sterilized using conventional methods such as steam, heat, or chemicals, so they need to be isolated from the surgical instrument.

Chinese patent CN101242789B discloses a sterile surgical drape, "The wrist unit adapter and sleeve adapter extend through the holes of the drape, so that the rest of the forearm assembly and manipulator assembly remain covered during surgery Outside the patient. In one embodiment, the wrist unit adapter and cannula adapter are manufactured as reusable parts that will be sterilized as they both extend into the sterile field of the surgical site. The wrist unit and cannula adapters, can be sterilized by conventional methods, i.e. steam, heat and pressure, chemical sterilization, etc.” In this patent solution, the components in the sterile field are the wrist unit adapter, the cannula adapter and the wrist unit, so they need to be sterilized.

However, the above scheme has the following problems: 1. There are still many parts in the sterile area, and since the wrist unit adapter and the sleeve adapter are fixedly connected on the operating arm, it is time-consuming and laborious to sterilize them;

2. Since the wrist unit adapter and sleeve adapter pass through the holes of the curtain, in actual use, it is necessary to align the two holes with the two parts, which makes installation difficult, and because of the existence of the holes, it is still difficult to There may be risks such as gaps and poor sealing.

Contents of the invention

Aiming at the deficiencies of the prior art, the present invention provides an aseptic isolation device and its assembly method and installation method, which solve the above-mentioned technical problems.

In order to achieve the above purpose, the present invention is achieved through the following technical solutions: a sterile isolation device, comprising: a sterile cover and an isolation assembly;

The sterile cover is composed of a first opening, a second opening, and a plastic sterile cover body between the first opening and the second opening;

The isolation assembly includes a first isolation plate, a second isolation plate, and a connection device arranged between the first isolation plate and the second isolation plate, the sterile cover body is fixed on the connection device, And the shape of the first opening matches the connection device, so that the connection device closes the first opening, and the isolation component is formed of plastic material.

It is further defined that a first through hole is provided at a first predetermined position on the first isolation plate;

The connecting device is provided with a second through hole;

A positioning post is provided at a second predetermined position on the second isolation plate corresponding to the first predetermined position;

The isolation component is formed in a state where the positioning post is disposed in the first through hole and the second through hole.

It is further defined that the connecting device is a hollow closed ring-shaped plastic sheet, and the second through hole is provided in the ring-shaped part of the plastic sheet.

It is further defined that the positioning post includes a positioning step and a positioning post, the positioning step is in the shape of a cone, and the diameter of the small circle of the taper matches the diameter of the positioning post.

It is further defined that the first through hole further includes a circle of first through hole step surface arranged along the radial outer periphery, and the first through hole step surface faces the side of the first isolation plate away from the connecting device .

An assembly method of a sterile isolation device, comprising: step S1, for fixedly connecting the sterile cover to the connecting device, the step S1 comprising:

Controlling the first opening of the sterile cover to be positioned with the preset opening of the connection device of the isolation assembly, so that the first opening of the sterile cover is aligned with the connection device ;

A connection process is performed on the first opening of the sterile cover so that the sterile cover is fixedly connected to the connecting device.

Further defined, the connection treatment is heating and/or gluing treatment.

Further defined, it also includes a step S2 for fixing and assembling the first isolation board, the connecting device and the second isolation board, the step S2 includes:

Step S21: Press the connecting device against the second isolation plate in a state where the connecting device is fixedly connected to the sterile cover;

Step S22: the transmission part passes through the lower installation hole of the second isolation plate from bottom to top, and rotates at a certain angle to prevent the transmission part from falling;

Step S23: Insert the thimble into the lower auxiliary positioning hole of the second isolation plate from top to bottom;

Step S24: Press the second isolation plate on the part formed in the previous step, and use a hot-melt head to heat and press the part of the positioning column close to the first isolation plate, so as to complete the fixing assembly;

Wherein, the order of steps S21 to S23 can be interchanged arbitrarily.

An installation method of a sterile isolation device, which provides a secondary operating device, including a secondary operating device base, a column, a passive arm, an operating arm, an instrument connection part and a carriage, and the instrument connection part is provided with an instrument box driving seat ;

passing the second opening of the sterile cover through the instrument box driving seat, and snapping the hasp of the sterile isolation device onto the instrument box driving seat;

Smoothing out the aseptic cover to make the second opening pass through the instrument box drive seat, the carriage, the operating arm and the driven arm, so that the aseptic cover covers the aforementioned components;

fasten the second opening already located on the passive arm to secure the drape

Further defined, it also includes fixing the part of the sterile cover covering the sliding frame with an elastic band, so as to reduce the volume of the sterile cover after installation.

Compared with the prior art, the beneficial effect of this application is: the aseptic cover of the aseptic isolation device of the present invention covers most of the parts on the mechanical arm, so that the parts in the aseptic area are only the instrument box , casing and casing fixing seat, compared with the prior art, the wrist unit adapter is reduced, and the disinfection is more time-saving and labor-saving; the sterile cover only has the first opening for connecting the sterile cover fixing piece and the The second opening of the part that needs to be covered has no additional opening, and the installation is more convenient, and there is no risk of lax isolation; the fixation of the sterile cover and the assembly of the sterile isolation device are convenient, and the actual use The installation method is simple.

Description of drawings

Fig. 1 is the overall schematic diagram of the present invention;

Fig. 2 is the assembly schematic diagram of aseptic cover and instrument case of the present invention;

Fig. 3 is the assembly drawing of instrument box and instrument box driving seat of the present invention;

Figure 4 is an exploded view of the assembly of the instrument case of the present invention;

Fig. 5 is the schematic diagram of the isolating device which hides the aseptic cover of the present invention;

Fig. 6 is the enlarged view of A in Fig. 5 according to the present invention;

Fig. 7 is the exploded view of the isolating device with the aseptic cover hidden in the present invention;

Fig. 8 is a schematic diagram of the isolation upper plate of the present invention;

Fig. 9 is an enlarged view of B in Fig. 8 of the present invention;

Fig. 10 is a schematic diagram of the isolation base plate of the present invention;

Fig. 11 is a schematic diagram of a sterile hood fixing piece of the present invention;

Fig. 12 is a schematic diagram of the assembly of the sterile cover of the present invention.

In the figure: 1, the base of the slave operating equipment; 2, the upright column; 3, the driven arm; 4, the operating arm; 6, the carriage; 5, the connection part of the instrument; , first opening; 513, second opening; 52, instrument box; 53, isolation assembly; 531, isolation upper plate; 5311, upper plate body; 5312, upper mounting hole; 5313, upper positioning hole; 5314, upper auxiliary positioning Hole; 5315, through hole; 5316, step surface; 532, isolation bottom plate; 5321, bottom plate body; 5322, lower mounting hole; 5323, positioning block; 5324, lower auxiliary positioning hole; 5325, gap; , sterile cover fixing piece; 5331, fixing piece body; 5332, avoidance protrusion; 5333, middle positioning hole; 534, buckle; 535, transmission part; 536, thimble;

Detailed ways

The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

An embodiment of the present invention provides an aseptic isolation device, referring to Fig. 2-4, which is used for the isolation of aseptic and sterile environments in the field of minimally invasive surgical robots, including a sterile cover 51 and an isolation assembly 53, the sterile cover 51 is fixed on the middle part of the isolation assembly 53, to separate the upper part and the lower part of the isolation assembly 53 to form an isolated aseptic environment and a sterile environment. The isolation assembly 53 is located between the instrument case 52 and the instrument case driving seat 54. , the isolation assembly 53 tightly engages the instrument case 52 and the instrument case driving seat 54 . The instrument box 52 is used to provide support for the surgical instrument, and transmits the power on the instrument box driving seat 54 to the surgical instrument, thereby completing the multi-degree-of-freedom movement of the surgical instrument. The interior of the instrument box 52 is purely mechanical parts, and conventional disinfection method to disinfect it. There are electrical components such as motors and controllers inside the instrument box driving seat 54, which are used to provide power to the instrument box 52. Therefore, a sterile isolation device is set to isolate the instrument box 52 from the instrument box driving seat 54, so that the minimally invasive surgical robot When in use, only the instrument case 52 needs to be sterilized. The sterile cover 51 and barrier assembly 53 are provided as a unit, and both are sterilized. When using this aseptic isolation device, the aseptic cover 51 can cover most of the parts on the mechanical arm, so that the parts in the aseptic area only have the instrument box 52, the lower end sleeve and the sleeve holder, Compared with the prior art, the number of wrist unit adapters is reduced, and the disinfection is more time-saving and labor-saving.

Referring to Figures 5-7, the isolation assembly 53 includes an isolation upper plate 531, an isolation bottom plate 532 and a sterile cover fixing piece 533, the sterile cover fixing piece 533 is located between the former two, and the sterile cover 51 is fixed on the sterile cover fixing piece 533 on. In this way, the sterile cover 51 and the isolation assembly 53 can be simply and conveniently integrated into a whole, which is convenient for transportation, storage and subsequent use.

8 and 9, the isolated upper plate 531 includes an upper plate body 5311, which has an upper mounting hole 5312, an upper positioning hole 5313, an upper auxiliary positioning hole 5314 and a through hole 5315, wherein the outer periphery of the through hole 5315 is provided with There is a circle of step surface 5316. The upper mounting hole 5312 is for installing the transmission member 535, and the transmission member 535 is used to transmit the power of the instrument case driving seat 54 to the instrument case 52; the upper positioning hole 5313 is for positioning the isolation upper plate 531 and the isolation bottom plate 532; The auxiliary positioning hole 5314 is for installing the thimble 536, and the thimble 536 is used to identify the existence of the instrument box 52 when the instrument box 52 is fastened on the aseptic isolation device; the through hole 5315 is for passing through the fixing column 5326, and after installation, cooperate with the fixed column 5326 through the stepped surface 5316 to fix the isolation upper plate 531 and the isolation bottom plate 532. It can be understood that the above-mentioned holes do not necessarily exist at the same time, and those skilled in the art can set the corresponding holes and the number thereof according to needs, and can also adopt other equivalent implementation methods to realize the above-mentioned functions.

Referring to Fig. 10 , the isolation bottom plate 532 includes a bottom plate body 5321, and the two sides of the bottom plate body 5321 are provided with buckles 534 for engaging and fixing the instrument box 52 and the instrument box driving seat 54, and the two sides of the joint between the hasp 534 and the bottom plate body 5321 There are notches 5325. The setting of the notches 5325 makes the buckle 534 have a certain flexibility relative to the bottom plate body 5321, that is, it can be around a virtual axis (approximately equal to the connection between the bottom positions of the ends of the two notches 5325) relative to the bottom plate body 5321. Rotate, so that when the upper end of the buckle 534 is pressed inwardly, the lower end thereof will protrude outward. This design facilitates disassembly between the isolation assembly 53 and the instrument driving seat 54 , and between the isolation assembly 53 and the instrument box 52 . The bottom plate body 5321 is provided with a lower mounting hole 5322, a positioning block 5323, a lower auxiliary positioning hole 5324, a fixing column 5326, and a fixing column corresponding to the upper mounting hole 5312, the upper positioning hole 5313, the upper auxiliary positioning hole 5314, and the through hole 5315. 5326 can also be called a hot-melt column. The upper mounting hole 5312 and the lower mounting hole 5322 are used to install the transmission member 535. The positioning block 5323, the positioning hole, and the middle positioning hole 5333 realize the isolation of the upper plate 531, the isolation of the lower plate and the isolation The positioning between the cover fixing pieces, wherein the bottom of the fixing column 5326 is formed with a chamfer D of 0.3C to prevent it from breaking under pressure during the heat melting process.

The positioning block 5323 and the upper positioning hole 5313, the fixed column 5326 and the through hole 5315 on the above isolation bottom plate 532 and the isolation upper plate 531 can be interchanged respectively, as the positioning block 5323 is arranged on the isolation upper plate 531 and the upper positioning hole 5313 is disposed on the isolation bottom plate 532 , and/or the fixing column 5326 is disposed on the isolation upper plate 531 and the upper positioning hole 5313 is disposed on the isolation bottom plate 532 .

Referring to Fig. 11, the sterile cover fixing piece 533 includes a fixing piece body 5331, and the fixing piece body 5331 is provided with an avoidance protrusion 5332 and a middle positioning hole 5333, and there are two avoidance protrusions 5332, which are located on the sides of the fixation piece body 5331. edge middle. The avoidance protrusion 5332 is to give way to the hasp 534 to make room for the hasp 534 to ensure that the aseptic cover 51 can be completely and closedly fixed on the aseptic cover fixing piece 533 without being disconnected halfway due to the existence of the hasp 534 . The sterile cover 51 is fixed on the sterile cover fixing piece 533 in a complete and closed manner, and there will be no intercommunication channel between the sterile environment and the sterile environment, which is beneficial to improve the isolation effect of the sterile isolation device.

Referring to Fig. 12, wherein the sterile cover 51 includes a sterile cover body 511 formed of plastic material, a first opening 512 and a second opening 513, the shape of the first opening 512 is similar to that of the sterile cover fixing piece 533, and the opposite When the sterile cover 51 is fixed, the first opening 512 of the sterile cover 51 is covered on the upper or lower side of the sterile cover fixing piece 533, and the inside of the first opening 512 is aligned with the inside of the sterile cover fixing piece 533, and then The first opening 512 of the sterile cover 51 and the fixing sheet 533 of the sterile cover are fixed together by hot-melt or glue. The sterile cover 51 has no other additional openings or holes except the above-mentioned first opening 512 and the second opening 513, and the first opening 512 will be completely and closedly fixed on the sterile cover fixing piece 533, so it will not There is a risk of lax isolation, which is conducive to improving the isolation effect of the sterile isolation device.

5 and 6, in partial enlarged view A, the fixing column 5326 is higher than the step surface 5316 in the through hole 5315 before melting, and the structure formed after melting covers the step surface 5316, thereby separating the upper plate 531 and the isolation bottom plate 532 They are fixed together, and under the action of the pressure of the hot melt head, the two are tightly combined. It can be understood that, in order to improve the reliability of the fixed combination of the two, the combination of the fixing column 5326 and the through hole 5315 is provided on the plane of the isolation component 53 in multiples, and presents a relatively uniform distribution, so as to provide a uniformly distributed bonding force . Preferably, there is a combination of fixing columns 5326 and through holes 5315 near the outer periphery of the plane of the isolation assembly 53 , and some combinations of fixing columns 5326 and through holes 5315 are also provided inside the plane of the isolation assembly 53 .

In another embodiment of the present invention, a method for assembling the aforesaid aseptic isolation device is provided, including assembling the aseptic cover 51 on the aseptic cover fixing plate 533 to form a sterile plate and placing the sterile plate The method of assembling with the isolation upper plate 531 and the isolation bottom plate 532 to form the isolation assembly 53 has two parts.

First, the method of assembling the aseptic cover 51 on the aseptic cover fixing piece 533 to form a sterile plate is described. This embodiment provides two fixing methods: hot-melt and gluing. Of course, other similar fixing methods can also be used, as long as It is enough to ensure that the sterile cover 51 is firmly fixed on the sterile cover fixing piece 533 without causing damage to the sterile cover body 511 of the sterile cover 51 . Both the sterile cover fixing sheet 533 and the sterile cover 51 are made of plastic, so it is preferably fixed by hot melt here.

The specific operation of hot-melt fixing is as follows: (1) the shape of the first opening 512 of the sterile cover 51 is similar to the inner side of the sterile cover fixing sheet 533, and holes are pre-opened at its corresponding positions for connecting with the sterile cover fixing sheet. The corresponding holes on the 533 complete the positioning; (2) the aseptic cover fixing piece 533 is positioned with a frock so that the first opening 512 of the aseptic cover 51 is aligned with the inner side of the aseptic cover fixing piece 533, such as the fixing pin passing through the two (3) adopt thermal spray gun or other heating equipment to heat the first opening 512 of the sterile cover 51, make it melt and bond on the sterile cover fixing sheet 533. The above operations can complete the hot-melt fixing of the sterile cover 51 and the sterile cover fixing piece 533 . In this way, the first opening 512 can be located on the upper side of the sterile cover fixing piece 533 or on the lower side thereof, depending on the spatial layout of heating equipment such as thermal spray guns.

The specific operation of adhesive fixing is as follows: the aseptic cover 51 is the same as the hot-melt fixing method, (1) the aseptic cover fixing piece 533 is fixed on the tooling, and a plurality of positioning pins on the tooling pass through the aseptic cover fixing piece 533 (2) Apply glue to the upper surface of the aseptic cover fixing piece 533 by means of a glue applicator or manual glue application; (3) align the first opening 512 of the aseptic cover 51 with the aseptic cover The fixing piece 533 (the plurality of holes preset in the first opening 512 can pass through a plurality of positioning pins on the tooling), press down the first opening 512 to make it stick to the sterile cover fixing piece 533 . The above operations can complete the adhesive fixing of the sterile cover 51 and the sterile cover fixing sheet 533. In this manner, the first opening 512 needs to be located on the upper side of the sterile cover fixing piece 533 to prevent the glue from falling.

Next, the method of assembling the aseptic plate, the isolation upper plate 531 and the isolation bottom plate 532 to form the isolation assembly 53 will be described. In this embodiment, the assembly method will be described by taking the positioning block 5323 and the fixing column 5326 on the isolation bottom plate 532 as an example. The specific assembly steps are as follows: (1) Press the aseptic plate (the part formed after the aseptic cover fixing piece 533 and the aseptic cover 51 are fixed) on the isolation base plate 532. During this process, ensure that the positioning block 5323 and the fixing column 5326 Both pass through the hole on the corresponding position of the aseptic plate; (2) pass the transmission member 535 through the lower mounting hole 5322 from bottom to top, and rotate a certain angle after passing through to prevent the transmission member 535 from falling; (3) insert the thimble 536 from the top Insert it into the lower auxiliary positioning hole 5324; (4) press the isolation upper plate 531 on the parts assembled in the previous steps, and in the process, ensure that the positioning block 5323 and the fixing column 5326 pass through the corresponding positions on the isolation upper plate 531 (5) Use a hot melt head to heat and press the part of the fixing column 5326 close to the isolation upper plate 531, so that it is melted to tightly bond the aseptic structure formed by the isolation upper plate 531, the sterile plate and the isolation bottom plate 532. Isolation device. It should be noted that the above steps (1)-(3) can be interchanged arbitrarily, and there is no specific sequence requirement. In this embodiment, whether it is the method of assembling the aseptic cover 51 on the aseptic cover fixing piece 533 to form a sterile plate, or the method of assembling the sterile plate with the isolation upper plate 531 and the isolation bottom plate 532 to form the isolation assembly 53, The operation steps are simple and easy, which is convenient for industrial production, and the preferred hot-melt method can also improve the stability of component assembly, and will not cause bonding failure due to chemical substances, heating, and pressure introduced in subsequent disinfection operations.

In yet another embodiment of the present invention, a method for installing the aforementioned sterile isolating device on the slave operating equipment is provided. Referring to Fig. 1, this method is used to install the sterile isolating device on the slave operating equipment in preparation for the operation. Generally, a minimally invasive surgical robot includes a doctor's main console (not shown in the figure) and slave operating equipment. The doctor's main console is the control center of the minimally invasive surgical robot. The surgeon sits at the doctor's control platform and uses his eyes and hands to And feet control the slave-operated device through two master hand and foot pedals. The slave operating device is the executive part of the minimally invasive surgical robot, including multiple holding arms and a mirror holding arm, which are used to convert the doctor's instructions into the operation actions of surgical instruments.

The slave operating device includes a slave operating device base 1, a column 2, a driven arm 3, an operating arm 4, an instrument connection part 5 and a carriage 6; in order to express the core idea of the present invention concisely, only one holding arm is reserved in the figure, That is to say, there are multiple passive arms 3 , operating arms 4 , instrument connecting parts 5 and carriages 6 of the general slave operating device.

Take the installation steps of the aseptic isolator on a mechanical arm as an example, including the following steps: (1) pass the second opening 513 of the sterile cover 51 of the aseptic isolator through the instrument box drive seat 54, and place the isolation base plate The hasp 534 on the 532 is snapped onto the instrument box driving seat 54 until a sound of "click" is heard; (2) smooth the sterile cover 51 so that the second opening 513 passes through the instrument box driving seat 54 and the sliding frame 6, operating arm 4 and driven arm 3, so that aseptic cover 51 is covered on the above-mentioned parts; (3) the second opening 513 on the driven arm 3 is fastened to fix aseptic cover 51; (4) in As for the part of the sliding frame 6 , an elastic band is used to fix the sterile cover 51 so that it fits the sliding frame 6 .

It should be noted that the above steps (3) and (4) can be interchanged, and there is no specific sequence requirement. In this way, the installation of the aseptic isolator is completed, and after that, the instrument part needs to be installed. For example, steps such as installing the cannula on the cannula fixing seat, installing the instrument case 52 on the aseptic isolator while passing the instrument through the cannula are irrelevant to the present invention and will not be repeated here. In this embodiment, since the aseptic isolation device can be installed on the instrument box driving seat 54 only by clamping, there is no additional opening or hole to be aligned, so the installation steps are simple and easy, which greatly shortens the surgical preparation of medical staff time.

It should be noted that, in this document, the terms "comprising", "comprising" or any other variation thereof are intended to cover a non-exclusive inclusion such that a process, method, article or apparatus comprising a set of elements includes not only those elements, It also includes other elements not expressly listed, or elements inherent in the process, method, article, or apparatus.

Although the embodiments of the present invention have been shown and described, those skilled in the art can understand that various changes, modifications and substitutions can be made to these embodiments without departing from the principle and spirit of the present invention. and modifications, the scope of the invention is defined by the appended claims and their equivalents.

Claims (10)

1. A sterile isolation device, comprising: a sterile cover and an isolation assembly; The isolation assembly includes a first isolation plate, a second isolation plate, and a connection device arranged between the first isolation plate and the second isolation plate, and the sterile cover is fixed on the connection device; A first through hole is provided at a first predetermined position on the first isolation plate; The connecting device is provided with a second through hole; A positioning post is provided at a second predetermined position on the second isolation plate corresponding to the first predetermined position; The isolation assembly is formed in a state where the positioning post is arranged in the first through hole and the second through hole; wherein, the positioning post includes a positioning step and a positioning post, and the positioning step is tapered body. 2 . The aseptic isolator according to claim 1 , wherein the connecting device is a hollow closed ring-shaped plastic sheet, and the second through hole is provided in the ring-shaped portion of the plastic sheet. 3 . 3. The aseptic isolator according to claim 1 or 2, wherein the diameter of the small circle of the cone matches the diameter of the positioning cylinder. 4. The aseptic isolator according to claim 1 or 2, wherein the first through hole further comprises a circle of stepped surfaces of the first through hole arranged along the radial outer periphery, and the first through hole The stepped surface faces a side of the first isolation plate away from the connection device. 5. The aseptic isolating device according to claim 1 or 2, characterized in that, the connecting device is in the shape of a rectangle as a whole, and avoidance protrusions are provided in the middle of the long sides on both sides of the rectangle. 6. A method for assembling an aseptic isolation device according to any one of claims 1 to 5, characterized in that it comprises: step S1, for fixedly connecting the aseptic cover to the connection device, the Said step S1 comprises: Controlling the first opening of the sterile cover to be positioned with the preset opening of the connection device of the isolation assembly, so that the first opening of the sterile cover is aligned with the connection device ; A connection process is performed on the first opening of the sterile cover so that the sterile cover is fixedly connected to the connecting device. 7. The assembly method according to claim 6, characterized in that, the connection treatment is heating and/or gluing treatment. 8. The assembly method according to claim 6 or 7, further comprising a step S2 for fixing and assembling the first isolation board, the connecting device and the second isolation board, the step S2 includes: Step S21: Press the connecting device against the second isolation plate in a state where the connecting device is fixedly connected to the sterile cover; Step S22: the transmission part passes through the lower mounting hole of the second isolation plate from bottom to top, and rotates at a certain angle to prevent the transmission part from falling; Step S23: Insert the thimble into the lower auxiliary positioning hole of the second isolation plate from top to bottom; Step S24: Press the second isolation plate on the part formed in the previous step, and use a hot-melt head to heat and press the part of the positioning column close to the first isolation plate, so as to complete the fixing assembly; Wherein, the order of steps S21 to S23 can be interchanged arbitrarily. 9. A method for installing an aseptic isolation device according to any one of claims 1 to 5, characterized in that: Provided is a slave operating device, comprising a slave operating device base, a column, a driven arm, an operating arm, an instrument connection part and a carriage, and the instrument connection part is provided with an instrument box driving seat; passing the second opening of the sterile cover through the instrument box driving seat, and snapping the hasp of the sterile isolation device onto the instrument box driving seat; Smoothing out the aseptic cover to make the second opening pass through the instrument box drive seat, the carriage, the operating arm and the driven arm, so that the aseptic cover covers the aforementioned components; The second opening already located on the passive arm is fastened to secure the sterile drape. 10 . The installation method according to claim 9 , further comprising: fixing the part of the sterile cover covering the sliding frame with an elastic band, so as to reduce the volume of the sterile cover after installation. 11 .

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