CN220495008U

CN220495008U - Simple universal laparoscope lens fixing device

Info

Publication number: CN220495008U
Application number: CN202321719655.5U
Authority: CN
Inventors: 郭翼; 沈东升; 张莎莎; 陈美颐
Original assignee: Shanghai Tongji Hospital
Current assignee: Shanghai Tongji Hospital
Priority date: 2023-07-03
Filing date: 2023-07-03
Publication date: 2024-02-20
Anticipated expiration: 2033-07-03

Abstract

The utility model discloses a simple universal laparoscope lens fixing device, which comprises: bottom horizontal migration mechanism, turning to device, elevating gear, rotatory extension post, column spinner and universal base, wherein, bottom horizontal migration mechanism includes: the long screw rod penetrates through the bottom of the support base, and the support base moves along the length direction of the long screw rod; the steering device is rotatably connected with the support base; the lifting device can realize the extension; the two ends of the rotary extending column are respectively connected with an external thread lifting column and a universal base, and the universal base clamps the laparoscopic lens. The utility model solves the problems that the prior laparoscopic lens fixing device has insufficient technical flexibility and can not adjust the position of the laparoscopic lens more quickly and flexibly by arranging the bottom horizontal moving mechanism, the steering device, the lifting device, the rotary extension column, the rotary column and the universal base.

Description

Simple universal laparoscope lens fixing device

Technical Field

The utility model relates to the technical field of medical instruments, in particular to a simple universal laparoscopic lens fixing device.

Background

Laparoscopy is typically a 2-3 person procedure. In addition to the main knife, the main responsibility of the assistant is to hold the mirror and expose the field of view. In some special cases, the assistant can not arrive at the scene in time, or the assistant is a novice, when two tasks of holding the mirror and exposing the visual field are difficult, a special person is required to put the mirror on the table, and three persons are difficult to get on the table at the same time because of limited space on the table and influence the operation of a surgeon, so that one laparoscopic lens fixing support is an instrument meeting the operation needs of the surgeon. The support needs to be assembled and disassembled simply and easily to use, is firm in installation, is light in appliance, is not easy to fall and injure a patient, and is suitable for all types of lenses.

The utility model of China with the bulletin number of CN214965370U discloses a laparoscope lens fixing and adjusting device, which comprises a sleeve, wherein a rotary drum is coaxially connected in the sleeve in a rotating way, the periphery of the rotary drum is provided with a spiral groove which is internally and externally communicated, a telescopic column is coaxially arranged in the rotary drum, the telescopic column is in sliding connection with the sleeve, an inserting column is arranged on the periphery of the telescopic column, the inserting column can be inserted into the spiral groove, the upper end of the telescopic column penetrates through the sleeve and is provided with a left-right axial pushing cylinder, a pushing column is in sliding connection with the pushing cylinder, the right end of the pushing column is hinged with a clamping block through a rubber ball, an opening of the clamping block is upwards, and the right end of the clamping block is in threaded connection with a left-right axial screw rod; however, the flexibility of this prior art is not enough, and the position of the laparoscopic lens cannot be adjusted more quickly and flexibly.

Disclosure of Invention

Accordingly, the present utility model is directed to a simple and general-purpose laparoscopic lens fixing device.

In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows:

a simple and general-purpose laparoscopic lens fixing device, comprising:

a bottom horizontal movement mechanism, the bottom horizontal movement mechanism comprising: the long screw rod is arranged along a first direction, penetrates through the bottom of the support base, and moves along the length direction of the long screw rod;

a steering apparatus, the steering apparatus comprising: the rotating ring is arranged on the supporting base and is rotatably connected with the supporting base by taking the axis of the rotating ring as a shaft;

lifting device, lifting device installs on turning to the device, lifting device includes: the device comprises an internal thread lifting column, an external thread lifting column and a guide column, wherein the external thread lifting column is arranged in the internal thread lifting column, an internal thread is arranged in the internal thread column and matched with an external thread on the surface of the external thread lifting column, the guide column is arranged in the external thread lifting column, the guide column is fixedly arranged, a strip-shaped bulge extending along the length direction of the external thread lifting column is arranged on the guide column to limit the rotation of the external thread lifting column, the internal thread lifting column is rotatably connected with the rotating ring by taking the axis of the internal thread lifting column as an axis, and the internal thread lifting column is driven to extend or shrink from the internal thread lifting column along the guide column by taking the axis of the internal thread lifting column as an axis;

the rotary extension column is rotatably connected with the top end of the external thread lifting column at one end, and can stretch and retract along the length direction of the rotary extension column;

one end of the rotating column is rotationally connected with the other end of the spiral extension column, and a spherical groove is formed in the other end of the rotating column;

the universal base, the one end of universal base is spherically, the one end of universal base is installed in the recess, the one end of universal base with the recess rotationally cooperates, the other end centre gripping of universal base the peritoneoscope camera lens.

The simple universal laparoscope lens fixing device is characterized in that a transverse groove is formed in the upper end of the support base, and at least one part of the steering device and at least one part of the lifting device are arranged in the transverse groove.

The simple and general laparoscopic lens fixing device, wherein the steering device further comprises:

the rotating disc is arranged above the supporting base;

the driving gear is arranged in the transverse groove;

the two ends of the gear connecting rod are respectively connected with the rotating disc and the driving gear;

the rotating gear is also arranged in the transverse groove and meshed with the driving gear;

and one part of the rotating ring is arranged outside the transverse groove, and the rotating ring is fixedly connected with the rotating gear.

The simple universal laparoscopic lens fixing device is characterized in that the bottom of the internal thread support column is fixedly connected with a circular lifting knob, the lifting knob is sleeved on the outer surface of the external thread support column, the lifting knob is arranged between the external thread support column and the rotating ring, and the lifting knob and the rotating ring are rotatably connected by taking the axis of the internal thread support column as a shaft.

The simple universal laparoscopic lens fixing device is characterized in that a backing ring is arranged between the lifting knob and the rotating ring.

The simple universal laparoscopic lens fixing device, wherein the universal base comprises: the lens fixing device comprises a shell and two clamping blocks which are arranged oppositely, wherein one end of the shell is spherical, a clamping groove is formed in the other end of the shell, the two clamping blocks are arranged in the clamping groove, the two clamping blocks move in the clamping groove to be close to or far away from each other, and the two clamping blocks clamp the laparoscope lens.

The simple universal laparoscopic lens fixing device is characterized in that springs are arranged in the clamping grooves, each clamping block corresponds to one spring, each spring is arranged between one clamping block and the inner wall of each clamping groove, and the springs are arranged along the direction in which the two clamping blocks are close to each other.

The simple universal laparoscope lens fixing device is characterized in that the rotary extension column and the extension column, and the rotary extension column and the external thread lifting column are rotatably connected by a ratchet assembly.

The simple universal laparoscope lens fixing device is characterized in that an oil cylinder, an electric cylinder or an air cylinder with a telescopic piston rod is arranged in the rotary extension column.

The simple and easy general formula peritoneoscope camera lens fixing device of above-mentioned, wherein still includes: the sickbed is characterized in that a supporting plate is arranged on the side face of the sickbed, the long screw is installed in the supporting plate, and the upper end of the supporting base is parallel to the surface of the sickbed.

The utility model adopts the technology, so that compared with the prior art, the utility model has the positive effects that:

(1) The utility model solves the problems that the prior laparoscopic lens fixing device has insufficient technical flexibility and can not adjust the position of the laparoscopic lens more quickly and flexibly by arranging the bottom horizontal moving mechanism, the steering device, the lifting device, the rotary extension column, the rotary column and the universal base.

(2) According to the utility model, the whole position of the fixed supporting part is controlled by the long screw, the bottom rotating mechanism is arranged, the fixed supporting part is driven to rotate in the horizontal direction as a whole by the cooperation of the gears, the lifting mechanism is arranged, the supporting column is driven to do lifting motion by using the threaded transmission, and the device is convenient for a doctor to adjust the general position of the device before an operation starts.

(3) According to the utility model, by arranging the rotary extension mechanism and the top rotary mechanism, the position of the rotary connecting rod and the angle in the vertical direction are adjusted at any time by utilizing the cooperation of the ratchet wheel and the pawl, so that a doctor can conveniently adjust the angle of the laparoscopic lens after the operation is started but under the condition of no emergency.

(4) According to the utility model, the clamping mechanism is arranged, the laparoscopic lens is fixed by utilizing the spring and the clamping block with the wedge-shaped top end, the installation is convenient, the laparoscopic lens with different sizes can be adapted, the practicability is high, the spherical block is arranged at the bottom end of the universal base, the position angle of the laparoscopic lens is adjusted by utilizing the matching of the spherical pair, and the position of the laparoscopic lens is convenient to adjust under the emergency condition in the operation process of a doctor.

(5) The backing ring and the gasket have extremely high friction force, so that the device is ensured not to change in position accidentally, and the risk in the operation process is reduced.

(6) The utility model is convenient for doctors to adjust the laparoscope lens in different operation stages, and has the advantages of rapidness, flexibility, simple structure and great reduction of risk in the operation process.

Drawings

Fig. 1 is a schematic diagram of the overall structure of the present utility model.

Fig. 2 is a schematic structural view of a fixing support portion of the present utility model.

Fig. 3 is an enlarged view at a in fig. 2.

Fig. 4 is an enlarged view at B in fig. 2.

Fig. 5 is an enlarged view at C in fig. 2.

Fig. 6 is a top view of the stationary support portion of the present utility model.

Fig. 7 is a sectional view in the direction E-E of fig. 6.

Fig. 8 is an enlarged view of D in fig. 7.

Fig. 9 is an enlarged view at G in fig. 7.

FIG. 10 is a schematic illustration of the structure of the present utility model with parts removed.

Fig. 11 is a top view of the detent mechanism of the present utility model.

Fig. 12 is a cross-sectional view taken along the direction F-F in fig. 11.

In the accompanying drawings: 1. a hospital bed; 2. a long screw; 3. rotating the handle; 4. a support base; 5. a rotating disc; 6. a gear connecting rod; 7. a drive gear; 8. rotating the gear; 9. a rotating ring; 10. an internal thread support post; 11. a lifting knob; 12. an external thread lifting column; 13. a backing ring; 14. a first support base; 15. a first rotating connecting rod; 16. a first ratchet; 17. a second ratchet; 18. a second pawl; 19. a first pawl; 20. rotating the elongated column; 21. an electric cylinder; 22. a guide rod; 23. an electric cylinder rod; 24. a second support base; 25. a second rotating connecting rod; 26. a third ratchet; 27. a fourth ratchet; 28. a third pawl; 29. a fourth pawl; 30. a spin column; 31. a universal base; 32. a gasket; 33. a clamping block; 34. a spring; 35. a laparoscopic lens; 36. a support plate; 37. and a guide post.

Detailed Description

The utility model is further described below with reference to the drawings and specific examples, which are not intended to be limiting. FIG. 1 is a schematic diagram of the overall structure of the present utility model; FIG. 2 is a schematic view of the structure of the fixed support part of the present utility model; FIG. 3 is an enlarged view of FIG. 2 at A; FIG. 4 is an enlarged view at B in FIG. 2; FIG. 5 is an enlarged view at C in FIG. 2; FIG. 6 is a top view of the stationary support portion of the present utility model; FIG. 7 is a cross-sectional view taken along the direction E-E in FIG. 6; FIG. 8 is an enlarged view of FIG. 7 at D; fig. 9 is an enlarged view at G in fig. 7; FIG. 10 is a schematic illustration of the structure of the present utility model with parts removed; FIG. 11 is a top view of the detent mechanism of the present utility model; fig. 12 is a cross-sectional view of fig. 11 in the direction F-F, and referring to fig. 1 to 12, a simple general-purpose type laparoscopic lens fixing device according to a preferred embodiment is shown, comprising: bottom horizontal migration mechanism, turning device, elevating gear, rotatory extension post 20, column spinner 30 and universal base 31, wherein, bottom horizontal migration mechanism includes: the long screw rod 2 and the supporting base 4, the long screw rod 2 is arranged along the first direction, the long screw rod 2 penetrates through the bottom of the supporting base 4, and the supporting base 4 moves along the length direction of the long screw rod 2; the steering device includes: the rotating ring 9, the rotating ring 9 is installed on the supporting base 4, the rotating ring 9 is rotatably connected with the supporting base 4 by taking the axis of the rotating ring as a shaft; the elevating gear is installed on turning to the device, and elevating gear includes: the internal thread lifting column 10, the external thread lifting column 12 and the guide column 37 are arranged in the internal thread lifting column 10, internal threads are arranged in the internal thread lifting column and matched with external threads on the surface of the external thread lifting column 12, the guide column 37 is arranged in the external thread lifting column 12, the guide column 37 is fixedly arranged, a strip-shaped protrusion extending along the length direction of the external thread lifting column 12 is arranged on the guide column 37 to limit the rotation of the external thread lifting column 12, the internal thread lifting column 10 is rotatably connected with the rotating ring 9 by taking the axis of the internal thread lifting column 10 as an axis, and the internal thread lifting column 10 drives the external thread lifting column 12 to extend or retract from the internal thread lifting column 10 along the guide column 37 by taking the axis of the internal thread lifting column 10 as an axis; one end of the rotary extension column is rotationally connected with the top end of the external thread lifting column 12, and the rotary extension column 20 can extend and retract along the length direction of the rotary extension column; one end of the rotating column 30 is rotationally connected with the other end of the spiral extension column, and a spherical groove is formed in the other end of the rotating column 30; one end of the universal base 31 is spherical, one end of the universal base 31 is installed in the groove, one end of the universal base 31 is rotatably matched with the groove to form a simple universal joint structure, and the other end of the universal base 31 clamps the laparoscope lens 35.

Further, the steering device is used for driving the lifting device, the rotary extension column 20, the rotary column 30 and the universal base 31 above the steering device to rotate by taking the axis of the rotary ring 9 as the shaft; the lifting device is used for controlling the overall height of the rotary extension column 20, the rotary column 30 and the universal base 31 above the lifting device; the rotary extension column 20 and the rotary column 30 are used for controlling the lateral length and the vertical rotation of the universal base 31 above the rotary extension column; the universal base 31 is used for fixing the laparoscope lens 35 and driving the laparoscope lens 35 to rotate horizontally and vertically.

In a preferred embodiment, a transverse slot is provided in the interior of the upper end of the support base 4, and at least a portion of the steering device and at least a portion of the lifting device are disposed in the transverse slot.

In a preferred embodiment, the steering device further comprises:

the rotating disc 5 is arranged above the supporting base 4;

the driving gear 7 is arranged in the transverse groove;

the two ends of the gear connecting rod 6 are respectively connected with the rotating disc 5 and the driving gear 7;

the rotating gear 8 is also arranged in the transverse groove, and the rotating gear 8 is meshed with the driving gear 7;

wherein, a part of the rotating ring 9 is arranged outside the transverse groove, and the rotating ring 9 is fixedly connected with the rotating gear 8.

In a preferred embodiment, as shown in fig. 3, the bottom end of the rotating disc 5 is fixedly connected with the first end of the gear connecting rod 6, the second end of the gear connecting rod 6 passes through the top end of the supporting base 4 and stretches into the inner transverse groove of the supporting base 4, the gear connecting rod 6 is rotatably mounted on the supporting base 4, the second end of the gear connecting rod 6 is fixedly connected with the driving gear 7, the driving gear 7 is meshed with the rotating gear 8, the rotating gear 8 is fixedly connected with the bottom end of the rotating ring 9, the guide post 37 is arranged in the rotating ring 9, the upper end surface of the rotating ring 9 is provided with an annular groove, and the bottom end of the internal thread supporting column 10 is rotatably mounted in the annular groove.

In a preferred embodiment, as shown in fig. 3 and 8, the lifting mechanism comprises a lifting knob 11, the lifting knob 11 is fixedly arranged on the outer edge of an internal thread support column 10, the bottom end of the lifting knob 11 is in contact with the top end of a rotating ring 9, an external thread lifting column 12 is arranged in the internal thread of the internal thread support column 10, the external thread lifting column 12 is sleeved in a cylindrical rod of the rotating ring 9, a backing ring 13 is fixedly arranged on the outer edge of the bottom end of the internal thread support column 10, and the backing ring 13 is positioned in an annular groove of the rotating ring 9.

In a preferred embodiment, a lifting knob 11 in a ring shape is fixedly connected to the bottom of the internal thread support column 10, the lifting knob 11 is sleeved on the outer surface of the external thread support column, the lifting knob 11 is arranged between the external thread support column and the rotating ring 9, and the lifting knob 11 and the rotating ring 9 are rotatably connected by taking the axis of the internal thread support column 10 as a shaft.

In a preferred embodiment, a backing ring 13 is provided between the lifting knob 11 and the rotating ring 9.

As shown in fig. 8 and 9, the backing ring 13 and the spacer 32 are made of a material having a large friction force.

The foregoing is merely a preferred embodiment of the present utility model, and is not intended to limit the embodiments and the protection scope of the present utility model.

The present utility model has the following embodiments based on the above description:

in a further embodiment of the present utility model, the gimbal base 31 includes: the shell and the two opposite clamping blocks 33 are arranged, one end of the shell is spherical, a clamping groove is formed in the other end of the shell, the two clamping blocks 33 are arranged in the clamping groove, the two clamping blocks 33 move in the clamping groove to be close to or far away from each other, and the two clamping blocks 33 clamp the laparoscope lens 35.

In a further embodiment of the present utility model, springs 34 are disposed in the clamping grooves, each clamping block 33 corresponds to a spring 34, each spring 34 is disposed between a clamping block 33 and an inner wall of the clamping groove, and the springs 34 are disposed along a direction in which the two clamping blocks 33 approach.

In a further embodiment of the present utility model, the rotational extension post 20 is rotatably coupled to the extension post, and the rotational extension post 20 is rotatably coupled to the externally threaded lifting post 12 by a ratchet assembly.

In a further embodiment of the present utility model, an oil cylinder, an electric cylinder 21 or a gas cylinder with a piston rod capable of extending and contracting is arranged in the rotary extension column 20.

Preferably, an electric cylinder 21 is arranged in the rotary extension column 20, and the piston rod is an electric cylinder rod 23.

Specifically, as shown in fig. 4 and 10, the rotary extension mechanism includes a first support base 14, the first support base 14 is fixedly installed at the top end of the externally threaded lifting column 12, the first support base 14 is in a "U" shape, a first rotary connecting rod 15 is rotatably installed on the first support base 14, a first ratchet wheel 16 and a second ratchet wheel 17 are fixedly installed on the first rotary connecting rod 15 near the inner sides of two ends of the first support base 14 respectively, the first rotary connecting rod 15 is fixedly connected with the bottom end of the rotary extension column 20, the bottom end of the rotary extension column 20 is located between the first ratchet wheel 16 and the second ratchet wheel 17, two side walls of the first support base 14 are rotatably installed with a first end of a second pawl 18 and a first pawl 19 respectively, a second end of the second pawl 18 and a second end of the first pawl 19 are matched with the second ratchet wheel 17 and the first ratchet wheel 16 respectively, an electric cylinder 21 is fixedly installed in the rotary extension column 20, a second end of the rotary extension column 20 is slidably installed with a guide rod 22, and the top end of the electric cylinder 21 is slidably installed with an electric cylinder rod 23.

As shown in fig. 5 and 10, the top rotating mechanism comprises a second supporting seat 24, the second supporting seat 24 is fixedly connected with the top ends of a guide rod 22 and an electric cylinder rod 23, the second supporting seat 24 is in a U shape, a second rotating connecting rod 25 is rotatably mounted on the second supporting seat 24, a third ratchet wheel 26 and a fourth ratchet wheel 27 are fixedly connected to the inner sides of two ends of the second rotating connecting rod 25, which are close to the second supporting seat 24, respectively, the second rotating connecting rod 25 is fixedly connected with the bottom end of a rotating column 30, the bottom end of the rotating column 30 is positioned between the third ratchet wheel 26 and the fourth ratchet wheel 27, a spherical groove is formed in the top end of the rotating column 30, a gasket 32 is fixedly mounted in the spherical groove, the gasket 32 is in a spherical shell shape, two side walls of the second supporting seat 24 are rotatably mounted with first ends of a third pawl 28 and a fourth pawl 29, and second ends of the third pawl 28 and the fourth pawl 29 are matched with the third ratchet wheel 26 and the fourth ratchet wheel 27 respectively.

As shown in fig. 9, 11 and 12, one end of the universal base 31 is spherical, one end of the universal base 31 is matched with the ball pair of the gasket 32, a clamping groove is formed in a certain end of the universal base 31, a pair of clamping blocks 33 are slidably mounted in the clamping groove, and the top ends of the clamping blocks 33 are wedge-shaped.

In a further embodiment of the present utility model, the method further comprises: the sickbed 1, the side of the sickbed 1 is provided with a supporting plate 36, the long screw 2 is arranged in the supporting plate 36, and the upper end of the supporting base 4 is arranged approximately parallel to the bed surface of the sickbed 1.

Further, the upper end of the supporting base 4 is arranged approximately parallel to the bed surface of the sickbed 1, which means that the upper end of the supporting base 4 is approximately parallel to the upper surface of the bed surface of the sickbed 1 during the process of moving along the long screw rod 2 of the supporting base 4, so that the sickbed is more stable.

In a preferred embodiment, as shown in fig. 1, 2, 6 and 7, a supporting plate 36 is arranged on the side surface of the sickbed 1, a rectangular groove is formed in the supporting plate 36, a first end of the long screw rod 2 is rotatably connected with one end of the rectangular groove of the supporting plate 36 on the side wall of the sickbed 1, a second end of the long screw rod 2 passes through the rectangular groove and is fixedly connected with a rotating handle 3, a bottom end of the supporting base 4 is mounted on the long screw rod 2 in a threaded manner, preferably, a threaded hole matched with the long screw rod 2 is formed in the bottom end of the supporting base 4, and more preferably, the bottom end of the supporting base 4 and the long screw rod 2 form a screw-nut structure.

Working principle: when the device starts to work, the rotating handle 3 is rotated, the rotating handle 3 drives the long screw rod 2 to rotate, and then the supporting base 4 is driven to move in a horizontal position, and after the supporting base 4 moves to a proper position, the rotating handle 3 is stopped; subsequently, the rotating disk 5 is rotated, the rotating disk 5 drives the gear connecting rod 6 to rotate so as to drive the driving gear 7 to rotate, the driving gear 7 is meshed with the rotating gear 8 so as to drive the rotating gear 8 to rotate, the rotating gear 8 drives the rotating ring 9 to rotate so as to drive the whole above the rotating ring 9 to rotate, and the rotating disk is stopped after rotating to a proper position; the lifting knob 11 is rotated, the lifting knob 11 drives the internal thread support column 10 to rotate, and then the external thread lifting column 12 is driven to move upwards or downwards, and the lifting knob 11 stops rotating after the external thread lifting column moves to a proper height.

Further, the positions of the second pawl 18 and the second end of the first pawl 19 are adjusted according to the rotation direction of the rotation extension column 20, when the rotation extension column 20 rotates in the direction of the second pawl 18, the second end of the first pawl 19 is matched with the first ratchet wheel 16, after the rotation extension column 20 rotates, the second pawl 18 is shifted to enable the second pawl 18 to be matched with the second ratchet wheel 17, and the opposite direction is the same; after the rotation of the rotary extension column 20 is completed, the electric cylinder 21 is started, the electric cylinder 21 drives the electric cylinder rod 23 to move outwards, and then drives the second supporting seat 24 to move outwards, and the electric cylinder is stopped after moving to a proper position; the positions of the second ends of the third pawl 28 and the fourth pawl 29 are adjusted according to the rotation direction of the rotating post 30, when the rotating post 30 rotates in the direction of the third pawl 28, the second end of the fourth pawl 29 is matched with the fourth ratchet wheel 27, and after the rotating post 30 rotates, the third pawl 28 is shifted to enable the third pawl 28 to be matched with the third ratchet wheel 26, and the reverse direction is the same.

Further, when the laparoscopic lens 35 is fixed, the fixed position of the laparoscopic lens 35 is contacted with the wedge-shaped position of the clamping block 33, the clamping block 33 moves to two sides, the laparoscopic lens 35 is clamped between the two clamping blocks 33, and the laparoscopic lens 35 is fixed under the elastic force of the spring 34; when the position and direction of the laparoscopic lens 35 need to be adjusted, the universal base 31 and the outer end of the clamping block 33 are held by hand to rotate, so that the universal base 31 drives the laparoscopic lens 35 to change in position and angle, and after the hand is loosened, the position of the universal base 31 can be kept unchanged due to the high friction force of the gasket 32.

The foregoing description is only illustrative of the preferred embodiments of the present utility model and is not to be construed as limiting the scope of the utility model, and it will be appreciated by those skilled in the art that equivalent substitutions and obvious variations may be made using the description and illustrations of the present utility model, and are intended to be included within the scope of the present utility model.

Claims

1. A simple and general laparoscopic lens fixing device, comprising:

2. The simple and general laparoscopic lens fixing device according to claim 1, wherein a transverse groove is formed in the upper end of the supporting base, and at least a part of the steering device and at least a part of the lifting device are disposed in the transverse groove.

3. The simple and general laparoscopic lens fixing device according to claim 2, wherein said steering device further comprises:

the rotating disc is arranged above the supporting base;

the driving gear is arranged in the transverse groove;

4. The simple and general laparoscopic lens fixing device according to claim 1, wherein a ring-shaped lifting knob is fixedly connected to the bottom of the internal thread support column, the lifting knob is sleeved on the outer surface of the external thread support column, the lifting knob is arranged between the external thread support column and the rotating ring, and the lifting knob and the rotating ring are rotatably connected by taking the axis of the internal thread support column as a shaft.

5. The simple and general laparoscopic lens holder according to claim 4, wherein a backing ring is provided between said lifting knob and said rotating ring.

6. The simple and general laparoscopic lens fixing device according to claim 1, wherein said universal base comprises: the lens fixing device comprises a shell and two clamping blocks which are arranged oppositely, wherein one end of the shell is spherical, a clamping groove is formed in the other end of the shell, the two clamping blocks are arranged in the clamping groove, the two clamping blocks move in the clamping groove to be close to or far away from each other, and the two clamping blocks clamp the laparoscope lens.

7. The simple and general laparoscopic lens fixing device according to claim 6, wherein springs are arranged in the clamping grooves, each clamping block corresponds to one spring, each spring is arranged between one clamping block and the inner wall of the clamping groove, and the springs are arranged along the approaching direction of the two clamping blocks.

8. The simple and general laparoscopic lens holder according to claim 1, wherein said rotational extension post and said rotational extension post and said externally threaded lifting post are rotatably connected by a ratchet assembly.

9. The simple and general laparoscopic lens fixing device according to claim 1, wherein an oil cylinder, an electric cylinder or an air cylinder with a piston rod capable of extending and retracting is arranged in the rotary extension column.

10. The simple and general laparoscopic lens fixing device according to any one of claims 1 to 9, further comprising: the sickbed is characterized in that a supporting plate is arranged on the side face of the sickbed, the long screw is installed in the supporting plate, and the upper end of the supporting base is parallel to the surface of the sickbed.