CN114587450B - A surgical retractor for urology and its use - Google Patents

Abstract

The invention discloses a surgical retractor for urology and a method for using it, belonging to the field of medical instruments. A surgical retractor for urology includes a hook body: a through hole is opened in the hook body, and a through hole is opened in the side wall of the hook body. There is a negative pressure hole, the hook body includes a mounting part and a contact part, the through hole is located in the mounting part and the contact part, the negative pressure hole is located on the contact part, a method for using a urological surgical pull hook, including The following steps: S1, press the contact part against the incision of the patient, and then move the clamping part to clamp the incision. It can realize that the use of new contact parts will not cause cross-infection, high safety, and does not need to be completely replaced, only the parts of the contact parts need to be replaced, the cost is low, and the incision is attracted by negative pressure, which has higher stability.

Description

A surgical retractor for urology and its use

technical field

The invention relates to the field of medical instruments, more specifically, to a surgical retractor for urology and a method for using it.

Background technique

The main treatment areas of urology include: various urinary stones and complicated kidney stones; kidney and bladder tumors; benign prostatic hyperplasia and prostatitis; inflammation and tumors of the testis and epididymis; Congenital malformations such as hypospadias, cryptorchidism, hydronephrosis caused by ureteropelvic junction stenosis, etc.

In the prior art, although the draw hook is repeatedly sterilized when in use, it still has a relatively large potential safety hazard, and if the draw hook is replaced as a whole, the cost is high, and when the draw hook hooks the position of the incision, it only passes through the gap between the incision and the incision. The friction between them hooks the incision, which is easy to slip and not stable enough.

For this reason, we propose a kind of urology surgery retractor and using method to solve the above problems.

Contents of the invention

1. Technical problems to be solved

Aiming at the problems existing in the prior art, the purpose of the present invention is to provide a urology surgical retractor and its use method, which can realize the disassembly of the contact part, so that the use of a new contact part will not cause cross-infection, and the safety is high, and There is no need to replace them all, only the part of the contact part needs to be replaced, the cost is low, and the incision is attracted by negative pressure, which has higher stability.

2. Technical solution

In order to solve the above problems, the present invention adopts the following technical solutions.

A surgical retractor for urology, comprising a hook body: a through hole is opened in the hook body, a negative pressure hole is opened in the side wall of the hook body, the hook body includes a mounting part and a contact part, and the through hole Located in the installation part and the contact part, the negative pressure hole is located on the contact part, and the number of negative pressure holes is not more than three, the negative pressure hole is in a linear array, the negative pressure hole is bowl-shaped, and the hook One side of the body is sealingly connected with a sealing cylinder, and a sealing plug is arranged in the sealing cylinder, and an extension rod is fixedly connected to the side wall of the sealing plug, and a section of the extension rod extends to the outside of the sealing cylinder. A threaded sleeve is connected, and a screw rod is connected to the threaded sleeve, and the two ends of the screw rod extend to the outside of the threaded sleeve, and the lower end of the screw rod is connected with a damping rotating part, and the damping rotating part is connected with a mounting groove, and the installation A clamping component is connected to the slot.

Further, the side wall of the installation part is provided with an annular groove, the side wall of the sealing cylinder is integrally connected with a ring part, the inner wall of the ring groove is provided with an internal thread, and the side wall of the ring part is provided with an outer thread. thread, and the internal thread is engaged with the external thread and the thread is sealed. The installation part is also connected with a connecting cylinder, the connecting cylinder extends into the sealing cylinder, and the outer wall of the connecting cylinder is in contact with the inner wall of the sealing cylinder for sealing.

Further, the damping rotating member includes a rotating shaft, and a rotating cylinder is sleeved on the rotating shaft, and the rotating shaft is fixedly connected with the side wall of the screw, and the rotating cylinder is sleeved on the rotating shaft, and the rotating cylinder and the rotating shaft are connected by a ring The sliding rail is connected, the axis of the rotating cylinder coincides with the axis of the rotating shaft, and a plurality of telescopic rods are fixedly connected to the inner wall of the rotating cylinder. The return spring is connected to the inner wall of the rotating drum, the side wall of the wear-resistant part is set as a concave arc surface so as to be attached to the side wall of the rotating shaft, and the outer wall of the rotating drum is fixedly connected with the installation groove.

Further, the clamping assembly includes a rotating rod, which is rotatably connected to the inner wall of the installation groove, and two swinging rods are installed on the rotating rod, and the two swinging rods are located on different planes, and the swinging rods are located on The axis of the rotating rod is symmetrical to the center, and the inner wall of the upper end of the installation groove is slidingly connected with two circular frames with different surfaces, and one end of each swing rod is also connected with a resisting rod, and the resisting rod extends to the circular frame. Between the inner walls of the frame, the lower side wall of the return-shaped frame is fixedly connected with a splint, and the splint extends to the outside through the notch of the installation groove, and the drive assembly is also installed in the installation groove, and the drive assembly and the rotary rod connection.

Further, the drive assembly includes a worm, one end of the worm is rotatably connected to the inner wall of the installation groove, the other end of the worm extends to the outside of the worm and is connected with a handle, and the worm is sleeved with a For the worm gear, multiple buffer springs are fixedly connected to the inner walls on both sides of the installation groove, and the other ends of the buffer springs are respectively connected to the inner walls of the circular frame.

Further, the connection between the installation part and the contact part is provided with rounded corners, and the side walls of the installation part and the contact part are provided with rounded corners, and the installation part and the contact part are integrally connected , and the material of the mounting part and the contact part is medical non-metallic material.

Further, the side wall of the installation part is also provided with a clamping part, the clamping part is set in a cylindrical shape, and the lower end of the clamping part is provided with rounded corners, and the clamping part and the negative pressure hole are located on the same plane , and the clamping part is made of medical rubber or medical silicone.

Further, the material of the sealing plug is medical rubber or medical silicone, and a detachable stopper is connected to the opening of the sealing cylinder to hold the sealing plug so that it cannot be separated from the sealing cylinder.

Further, the number of the telescopic rods is more than three, and the material of the wear-resistant part is hard plastic, the side wall of the wear-resistant part is provided with a plurality of bumps distributed in a rectangular array, and the outer wall of the rotating shaft A plurality of bumps are provided, and the distance between the plurality of bumps is smaller than the width of the bumps.

A method for using a surgical retractor for urology, comprising the following steps:

S1. Press the contact part against the incision of the patient, and then move the clamping part to clamp the incision;

S2. Pull the extension rod to drive the sealing plug to move, increase the space volume between the through hole and the sealing cylinder, reduce the pressure, and easily make the external pressure squeeze the incision skin, so that the skin is in close contact with the negative pressure hole;

S3, pull the hook body to move, and open the incision;

S4. Turn the screw to adjust the height of the installation groove, so that the clamping components can be conveniently clamped;

S5. Rotate the angle of the installation groove, so that the clamping component catches the external objects, and fixes the positions of the sealing cylinder and the hook body.

3. Beneficial effect

Compared with the prior art, the present invention has the advantages of:

(1) This solution moves by pulling the sealing plug to expand the volume between the through hole and the sealing cylinder, and reduce the pressure of the through hole, so that under the action of negative pressure, a negative pressure attraction is formed between the position of the incision and the negative pressure hole , so that the connection between the incision and the hook body is more stable, and the contact part can be disassembled, so that the use of a new contact part will not cause cross-infection, and the safety is high, and there is no need to replace all of them, only the part of the contact part needs to be replaced, and the cost is low. Moreover, the negative pressure is used to attract the cutout, so the stability is higher, and the height between the threaded sleeve and the screw rod can be adjusted, so that the installation groove can be at different heights, and the scope of application is wider.

(2) Inserting the ring piece into the ring groove makes it easier to disassemble the contact part and the installation part, and at the same time has a good sealing effect. In addition, the connecting cylinder and the sealing cylinder are connected at the same time, which can further improve the sealing effect and the stability of the connection.

(3) When adjusting the angle of the installation groove, the installation groove can be driven to rotate, the installation groove drives the rotating cylinder to rotate, and the rotating cylinder rotates along the axis of the rotating shaft to overcome the friction between the rotating shaft and the wear-resistant block, and rotate to a suitable position Finally, using the friction force of the return spring, the return spring is always in a compressed state, and the rebound force of the return spring is against the wear-resistant part and the rotating shaft, so that the position of the installation groove is limited by the elastic force of the return spring, and the installation can be clamped by the splint. The position of the groove ensures the stability of the installation groove position during the operation.

(4) When the splint needs to be clamped, use the drive assembly to drive the rotating rod to rotate, the rotating rod drives the swing rod to rotate, the swing rod drives the contact rod to move, the contact rod drives the return frame to move, and the return frame drives the two splints to approach, In order to clamp the object, it can support the installation groove to a certain extent. The structure is simple and the operation is convenient. It can drive the two splints close to each other at the same time, and the action speed is fast, the clamping is stable, and it can be used for objects of various widths. To effectively clamp, thereby firmly restricting the position of the mounting slot.

(5) The rotation of the worm is driven by the rotation of the worm, and the self-locking effect of the worm and the worm can be used to effectively limit the rotation of the rotation rod, ensure the stability of the rotation rod, and improve the clamping effect. The elastic force of the buffer spring can make the splint lift up. to a better clamping effect.

(6) The setting of rounded corners can avoid secondary damage to the wound when it contacts the patient's wound, and the use of medical rubber or silicone material makes the overall safety higher.

(7) The detachable limit block can block the sealing plug of the column to prevent it from detaching from the sealing cylinder, and the use of medical rubber or medical silica gel not only has high safety, but also has high friction to ensure that the limit block will not be in the sealing cylinder. Move easily.

(8) The use of the clamping part can better clamp and limit the incision, ensure stable control of the position of the incision, and make the opening of the incision stable.

(9) The use of multiple telescopic rods can further increase the frictional force on the installation groove, improve the overall stability of the installation groove, and use the setting of the bumps to avoid the rotation of the installation groove.

(10) With this method of using the hook, the opening of the incision can be made more stable, and it can be applied in different environments without manual control of the position of the hook, reducing the workload, improving safety, and being able to adapt to various places , the applicability is stronger.

Description of drawings

Fig. 1 is a structural representation of the present invention;

Fig. 2 is a schematic diagram of the connection structure of the installation part and the contact part of the present invention;

Fig. 3 is a schematic diagram of the connection structure of the hook body and the clamping part of the present invention;

Fig. 4 is a schematic structural view of the sealing cylinder of the present invention;

Fig. 5 is the connection structure schematic diagram of worm screw and worm gear of the present invention;

Fig. 6 is a schematic cross-sectional structure diagram of the sealing plug of the present invention;

Fig. 7 is a schematic diagram of the connection structure of the swing bar and the circular frame of the present invention;

Fig. 8 is a schematic diagram of the connecting structure of the rotating rod and the swinging rod of the present invention;

Fig. 9 is a schematic view of the side structure of the drum of the present invention;

Fig. 10 is a schematic diagram of the connecting structure of the rotating shaft and the wear-resistant part of the present invention.

Explanation of symbols in the figure:

1. Hook body; 2. Through hole; 3. Negative pressure hole; 4. Installation part; 5. Contact part; 6. Sealing cylinder; 7. Sealing plug; 8. Extension rod; 9. Thread sleeve; 10. Screw rod; 11. Damping rotating part; 12. Installation groove; 13. Ring groove; 14. Ring piece; 15. Connecting cylinder; 16. Rotating shaft; ; 21, rotating rod; 22, swinging rod; 23, return-shaped frame;

Detailed ways

The following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the accompanying drawings in the embodiments of the present invention; obviously, the described embodiments are only part of the embodiments of the present invention, not all embodiments, based on The embodiments of the present invention and 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.

In the description of the present invention, it should be noted that the orientations or positional relationships indicated by the terms "upper", "lower", "inner", "outer", "top/bottom" etc. are based on the orientations shown in the drawings Or positional relationship is only for the convenience of describing the present invention and simplifying the description, but does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as limiting the present invention. In addition, the terms "first" and "second" are used for descriptive purposes only, and should not be understood as indicating or implying relative importance.

In the description of the present invention, it should be noted that, unless otherwise specified and limited, the terms "installed", "set with", "sleeved/connected", "connected", etc. should be understood in a broad sense, such as " Connection" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediary, and it can be an internal connection between two components. connectivity. Those of ordinary skill in the art can understand the specific meanings of the above terms in the present invention in specific situations.

Example 1:

Please refer to Fig. 1-Fig. 10, a retractor for urology surgery, including a hook body 1: a through hole 2 is opened in the hook body 1, a negative pressure hole 3 is opened on the side wall of the hook body 1, and the hook body 1 includes a mounting part 4 and the contact part 5, the through hole 2 is located in the installation part 4 and the contact part 5, the negative pressure hole 3 is located on the contact part 5, and the number of the negative pressure holes 3 is no more than three, the negative pressure holes 3 are in a linear array, and the negative pressure hole 3 is located in the contact part 5. The pressure hole 3 is bowl-shaped. One side of the hook body 1 is sealingly connected with a sealing cylinder 6. The sealing cylinder 6 is provided with a sealing plug 7. The side wall of the sealing plug 7 is fixedly connected with an extension rod 8. A section of the extension rod 8 extends to Outside the sealing cylinder 6, the extension rod 8 is connected with a threaded sleeve 9, and the threaded sleeve 9 is connected with a screw 10, and the two ends of the screw 10 extend outside the threaded sleeve 9, and the lower end of the screw 10 is connected with a damping rotating part 11, and the damping rotating part 11 is connected with a mounting groove 12, and a clamping assembly is connected in the mounting groove 12.

This solution moves by pulling the sealing plug 7, expanding the volume between the through hole 2 and the sealing cylinder 6, and reducing the pressure of the through hole 2, so that under the action of negative pressure, a negative pressure is formed between the position of the incision and the negative pressure hole 3. Pressure suction, so that the connection between the incision and the hook body 1 is more stable, and the contact part 5 can be disassembled, so that the use of a new contact part 5 will not cause cross infection, high safety, and there is no need to replace it all, just replace the contact part 5 The part is low in cost, and uses negative pressure to attract the incision, which has higher stability, and can adjust the height between the threaded sleeve 9 and the screw rod 10, so that the installation groove 12 can be at different heights, and the scope of application is wider.

Refer to Figure 2

Further, the side wall of the mounting part 4 is provided with an annular groove 13, the side wall of the sealing cylinder 6 is integrally connected with a ring member 14, the inner wall of the annular groove 13 is provided with internal threads, and the side wall of the ring member 14 is provided with external threads, And the internal thread and the external thread are engaged and thread-tight. The installation part 4 is also connected with a connecting cylinder 15 , which extends into the sealing cylinder 6 . The outer wall of the connecting cylinder 15 contacts and seals the inner wall of the sealing cylinder 6 .

Utilize ring piece 14 to be inserted in annular groove 13, make contact part 5 and installation part 4 more convenient to disassemble, have good sealing effect simultaneously, in addition, connect cylinder 15 and seal cylinder 6 at the same time, can further improve the effect of sealing and connection. stability.

Referring to Figure 9 and Figure 10

Further, the damping rotating member 11 includes a rotating shaft 16, the rotating shaft 16 is sleeved with a rotating drum 17, the rotating shaft 16 is fixedly connected with the side wall of the screw 10, the rotating drum 17 is sleeved on the rotating shaft 16, and the rotating drum 17 and the rotating shaft 16 Connected by a circular slide rail, the axes of the rotating drum 17 and the rotating shaft 16 coincide. The inner wall of the rotating drum 17 is fixedly connected with a plurality of telescopic rods 18, and the telescopic ends of the telescopic rods 18 are fixedly connected with a wear-resistant part 19. The wall is connected to the inner wall of the drum 17 through the return spring 20, the side wall of the wear-resistant part 19 is set as a concave arc surface so as to fit the side wall of the rotating shaft 16, and the outer wall of the drum 17 is fixedly connected with the installation groove 12.

When adjusting the angle of the mounting groove 12, the mounting groove 12 can be driven to rotate, the mounting groove 12 drives the rotating cylinder 17 to rotate, and the rotating cylinder 17 rotates along the axis of the rotating shaft 16 to overcome the friction between the rotating shaft 16 and the wear-resistant block. After rotating to a suitable position, the friction force of the return spring 20 is used to keep the return spring 20 in a compressed state all the time, and the rebound force of the return spring 20 is against the wear-resistant part 19 and the rotating shaft 16, so that the installation groove 12 is limited by the elastic force of the return spring 20 The position of the installation groove 12 can be clamped by the splint 25 to ensure the stability of the installation groove 12 during the operation.

Referring to Figure 4 and Figure 5

Further, the clamping assembly includes a rotating rod 21, which is rotatably connected to the inner wall of the installation groove 12. Two swing rods 22 are installed on the rotating rod 21. The two swing rods 22 are located on different planes, and the swing rods 22 are located on the rotating The axis of the rod 21 is symmetrical to the center, and the inner wall of the upper end of the installation groove 12 is slidably connected with two circular frames 23 with different surfaces, and one end of each swing rod 22 is also connected with a resisting rod 24, which extends to the circular frame Between the inner walls of 23, the lower end side wall of the return frame 23 is fixedly connected with a splint 25, the splint 25 extends to the outside through the notch of the installation groove 12, and the drive assembly is also installed in the installation groove 12, and the drive assembly is connected with the rotating rod 21 .

When needing to utilize splint 25 to clamp, utilize driving assembly to drive rotating rod 21 to rotate, and rotating rod 21 drives swinging rod 22 to rotate, and swinging rod 22 drives resisting rod 24 to move, and resisting rod 24 drives return-shaped frame 23 to move, and return-shaped frame 23 Drive the two splints 25 close to each other, thereby clamping the object, so as to support the installation groove 12 to a certain extent, the structure is simple, the operation is convenient, and the two splints 25 can be driven close to each other at the same time, and the action speed is fast and the clamping is stable. Items of various widths can be effectively clamped, thereby firmly restricting the position of the installation groove 12 .

Refer to Figure 5

Further, the driving assembly includes a worm 26, one end of the worm 26 is rotationally connected with the inner wall of the installation groove 12, the other end of the worm 26 extends to the outside of the worm 26 and is connected with a handle, and the rotating rod 21 is sleeved with a matching worm 26. A plurality of buffer springs 28 are fixedly connected to the inner walls of both sides of the worm wheel 27 and the installation groove 12 , and the other ends of the buffer springs 28 are respectively connected to the inner walls of the circular frame 23 .

The rotation of the worm wheel 27 is driven by the rotation of the worm screw 26, and the self-locking effect of the worm screw 26 and the worm wheel 27 can effectively limit the rotation of the rotating rod 21 to ensure the stability of the rotating rod 21, thereby improving the clamping effect, and utilizing the elastic force of the buffer spring 28 It can make the splint 25 have a better clamping effect.

Refer to Figure 2 and Figure 3

Further, the connection between the installation part 4 and the contact part 5 is provided with rounded corners, and the side walls of the installation part 4 and the contact part 5 are provided with rounded corners, the installation part 4 and the contact part 5 are integrally connected, and The material of the mounting part 4 and the contact part 5 is medical non-metallic material.

The setting of rounded corners can avoid secondary damage to the wound when it comes into contact with the patient's wound, and the use of medical rubber or silicone material makes the overall safety higher.

Refer to Figure 3

Further, the side wall of the mounting part 4 is also provided with a clamping part 29, the clamping part 29 is configured as a cylinder, and the lower end of the clamping part 29 is provided with rounded corners, and the clamping part 29 and the negative pressure hole 3 are located at the same On a plane, and the clamping portion 29 is made of medical rubber or medical silicone.

The detachable limit block can stop the post sealing plug 7 to prevent it from breaking away from the sealing cylinder 6, and the use of medical rubber or medical silica gel not only has high safety, but also has a large friction force, ensuring that the limit block will not be in the sealing cylinder 6. Move easily.

Further, the sealing plug 7 is made of medical rubber or medical silicone, and a detachable stopper is connected to the opening of the sealing cylinder 6 to hold the sealing plug 7 so that it cannot be separated from the sealing cylinder 6 .

Utilizing the clamping portion 29 can better clamp and limit the incision, ensure stable control of the position of the incision, and make the opening of the incision stable.

Refer to Figure 10

Further, the number of telescopic rods 18 is more than three, and the material of the wear-resistant part 19 is hard plastic, the side wall of the wear-resistant part 19 is provided with a plurality of bumps distributed in a rectangular array, and the outer wall of the rotating shaft 16 is provided with A plurality of bumps, the pitch of the plurality of bumps is smaller than the width of the bumps.

Utilizing a plurality of telescopic rods 18 can further increase the frictional force on the installation groove 12 , improve the overall stability of the installation groove 12 , and use the arrangement of bumps to avoid the rotation of the installation groove 12 .

A method for using a surgical retractor for urology, comprising the following steps:

S1. Press the contact part 5 against the patient's incision, and then move the clamping part 29 to clamp the incision;

S2. Pull the extension rod 8 to drive the sealing plug 7 to move, increase the space volume between the through hole 2 and the sealing cylinder 6, reduce the pressure, and easily make the external pressure squeeze the incision skin, so that the skin is in close contact with the negative pressure hole 3;

S3, pull the hook body 1 to move, and open the incision;

S4. Rotate the screw rod 10 to adjust the height of the mounting groove 12, so that the clamping components can be conveniently clamped;

S5. Rotate the angle of the installation groove 12, so that the clamping assembly clamps the external objects, and fixes the positions of the sealing cylinder 6 and the hook body 1 .

Through this method of using the hook, the opening of the incision can be made more stable, and it can be applied in different environments without manual control of the position of the hook, which reduces the workload and improves safety, and can be adapted to various places. Stronger.

The above description is only a preferred embodiment of the present invention; however, the scope of protection of the present invention is not limited thereto. Anyone familiar with the technical field within the technical scope disclosed in the present invention, according to the technical solution of the present invention and its improved concept to make equivalent replacements or changes shall fall within the scope of protection of the present invention.

Claims (7)

1. A urology operation retractor, comprising a hook body (1), is characterized in that: a through hole (2) is provided in the hook body (1), and a negative hole is provided on the side wall of the hook body (1). press hole (3), the hook body (1) includes a mounting part (4) and a contact part (5), the through hole (2) is located in the mounting part (4) and the contact part (5), the negative The pressure holes (3) are located on the contact portion (5), and there are no more than three negative pressure holes (3), the negative pressure holes (3) are in a linear array, and the negative pressure holes (3) are bowl-shaped , one side of the hook body (1) is sealingly connected with a sealing cylinder (6), the sealing cylinder (6) is provided with a sealing plug (7), and the side wall of the sealing plug (7) is fixedly connected with an extension Rod (8), a section of the extension rod (8) extends to the outside of the sealing cylinder (6), a threaded sleeve (9) is connected to the extension rod (8), and a screw rod is connected to the threaded sleeve (9) (10), the two ends of the screw (10) extend outside the threaded sleeve (9), the lower end of the screw (10) is connected with a damping rotating part (11), and the damping rotating part (11) is connected with a mounting groove (12), the mounting groove (12) is connected with a clamping assembly, the damping rotating member (11) includes a rotating shaft (16), and a rotating drum (17) is sleeved on the rotating shaft (16). The rotating shaft (16) is fixedly connected with the side wall of the screw rod (10), the rotating drum (17) is sleeved on the rotating shaft (16), and the rotating drum (17) and the rotating shaft (16) are connected by an annular slide rail, The axes of the rotating drum (17) and the rotating shaft (16) are coincident, and the inner wall of the rotating drum (17) is fixedly connected with a plurality of telescopic rods (18), and the telescopic ends of the telescopic rods (18) are fixedly connected with durable Grinding part (19), the side wall of the wear-resistant part (19) is connected with the inner wall of the drum (17) through the return spring (20), and the side wall of the wear-resistant part (19) is set as a concave arc surface In order to fit the side wall of the rotating shaft (16), the outer wall of the rotating cylinder (17) is fixedly connected with the installation groove (12), and the clamping assembly includes a rotating rod (21), and the rotating rod (21 ) is rotatably connected with the inner wall of the mounting groove (12), two swing rods (22) are installed on the rotating rod (21), and the two swing rods (22) are located on different planes, and the swing rods (22) are located on The axis of the rotating rod (21) is symmetrical to the center, and the inner wall of the upper end of the mounting groove (12) is slidably connected with two circular frames (23) on different surfaces, and one end of each of the swinging rods (22) is also connected to Arresting bar (24) is arranged, and described abutting bar (24) extends between the inner wall of loop-shaped frame (23), and the lower end side wall of described loop-shaped frame (23) is fixedly connected with clamping plate (25), and described clamping plate (25) Extending to the outside through the notch of the installation groove (12), the drive assembly is also installed in the installation groove (12), and the drive assembly is connected with the rotating rod (21). 2. A urology surgical retractor according to claim 1, characterized in that: the side wall of the mounting part (4) is provided with an annular groove (13), and the side wall of the sealing cylinder (6) is integrated A ring piece (14) is connected, the inner wall of the annular groove (13) is provided with an internal thread, the side wall of the ring piece (14) is provided with an external thread, and the internal thread and the external thread are engaged and thread-sealed, so The installation part (4) is also connected with a connecting cylinder (15), and the connecting cylinder (15) extends into the sealing cylinder (6), and the outer wall of the connecting cylinder (15) and the inner wall of the sealing cylinder (6) Contact seal. 3. A urological operation retractor according to claim 1, characterized in that: the drive assembly comprises a worm (26), and one end of the worm (26) is rotatably connected to the inner wall of the mounting groove (12), The other end of the worm (26) extends to the outside of the worm (26) and is connected with a turning handle. The turning lever (21) is sheathed with a worm wheel (27) matching with the worm (26), and the mounting groove ( 12) The inner walls on both sides are fixedly connected with a plurality of buffer springs (28), and the other ends of the buffer springs (28) are respectively connected with the inner walls of the return-shaped frame (23). 4. A urological surgical retractor according to claim 1, characterized in that: the connection between the installation part (4) and the contact part (5) is provided with rounded corners, and the installation part (4) and the side wall of the contact part (5) are provided with rounded corners, the mounting part (4) and the contact part (5) are integrally connected, and the mounting part (4) and the contact part (5) The material is medical non-metallic material. 5. A kind of urology surgical retractor according to claim 4, characterized in that: the side wall of the mounting part (4) is also provided with a clamping part (29), and the clamping part (29) is set It is cylindrical, and the lower end of the clamping part (29) is provided with rounded corners, and the clamping part (29) and the negative pressure hole (3) are located on the same plane, and the material of the clamping part (29) is medical rubber or Medical silicone. 6. A urological surgical retractor according to claim 1, characterized in that: the sealing plug (7) is made of medical rubber or medical silica gel, and the opening of the sealing cylinder (6) is connected with a detachable The limit block to block the sealing plug (7) so that it cannot be disengaged from the sealing cylinder (6). 7. A urology operation retractor according to claim 1, characterized in that: the number of the telescopic rods (18) is more than three, and the material of the wear-resistant part (19) is hard plastic, the The side wall of the wear-resistant part (19) is provided with a plurality of bumps distributed in a rectangular array, the outer wall of the rotating shaft (16) is provided with a plurality of bumps, and the distance between the plurality of bumps is smaller than the width of the bumps .