CN216754514U - Urinary surgery operation drag hook - Google Patents

Abstract

The utility model discloses a urinary surgery retractor, which comprises a dilator main body, wherein the bottom of the dilator main body is rotatably connected with two groups of expansion arms, the rotating directions of the two groups of expansion arms are opposite, the bottom of the expansion arm is connected with an expansion plate, the top of the expander main body is provided with two groups of adjusting rods, and a self-locking transmission part is arranged between the adjusting rod and the dilator main body and is used for transmitting the rotation action of the adjusting rod to the dilating arm and limiting the dilating arm when the dilator stops, the urinary surgery retractor, compared with the mode of directly passing through a knob by arranging the adjusting rod for driving and passing through the self-locking transmission part for transmission, the mode can be operated by a single hand, the expansion or the reduction can be realized only by pinching the same ends of the two adjusting rods by two fingers, the operation and the use can be more convenient, and the adjustment and the use in the operation are convenient.

Description

Urinary surgery operation drag hook

Technical Field

The utility model relates to the technical field of medical equipment, in particular to a urinary surgery retractor.

Background

The main content of urology surgery is kidney transplantation, laparoscopic surgery, adrenal adenoma, lymphocytoma, primary aldosteronism and other adrenal surgery treatments, kidney, bladder and prostate tumor surgery, prostate cancer surgery, pelvis ureter junction stenosis surgery, kidney, ureter and bladder calculus surgery treatments, bladder and pubic bone posterior prostatic hyperplasia extirpation surgery, urethra bladder tumor electrostomy surgery, cystoscope application holmium laser bladder tumor resection, hypospadias, penis retroflexion and plastic surgery, external stone crushing treatment of kidney, ureter and bladder calculus, in recent years, the etiology examination and treatment of chronic prostatitis, and the diagnosis and treatment of male sexual dysfunction and male infertility are developed.

When a doctor performs bladder surgery on a patient, firstly, a bladder is cut open, the cut is expanded and opened by the hook expander, the doctor can perform surgery conveniently, the existing hook expander rotates the supporting arm for expansion of the adjusting end part through an adjusting button, two hands are needed for rotating the adjusting button, the hook expander is in a hanging state, one-hand operation is unstable, after initial expansion, the space possibly meeting the actual requirement exists, and the doctor needs two hands to operate at the time, so that the operation is not convenient enough. To this end, we propose a retractor for urological surgery.

SUMMERY OF THE UTILITY MODEL

The present invention is directed to a retractor for urinary surgery to solve the above problems of the prior art.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a uropoiesis surgery operation drag hook, includes the expander main part, the bottom of expander main part is rotated and is connected with two sets of expansion arms, and the rotation opposite direction of two sets of expansion arms, the bottom of expansion arm is connected with the expansion board, the top of expander main part is equipped with two sets of regulation poles, just be equipped with auto-lock drive division between regulation pole and the expander main part, the auto-lock drive division is used for the rotation action of transmission regulation pole to the expansion arm and spacing to the expansion arm when stopping.

Preferably, auto-lock transmission portion includes slide bar of upper and lower sliding connection on the expander main part, the upper surface of expander main part is fixed ring fixedly connected with still to rotate through solid ring and be connected with the transfer line, the one end and the regulation pole of transfer line are fixed, the other end and slide bar threaded connection, just be equipped with between slide bar and the expander main part and only change the round pin, the lower surface of expander main part rotates and is connected with the pivot, pivot and expansion arm tip fixed connection, just the one end fixedly connected with gear of pivot, be equipped with on the slide bar with gear engagement's rack.

Preferably, the expansion plate is an elliptical arc, and the expansion plate is elastically and rotatably connected with the bottom of the expansion arm.

Preferably, the expander main body is of an oval or rectangular structure, the direction of the major axis of the expander main body is perpendicular to the expansion direction, and the length direction of the expander main body is parallel to the expansion direction.

Preferably, a speed reducing mechanism is arranged between the rotating shaft and the gear.

Compared with the prior art, the utility model has the beneficial effects that:

the utility model is driven by the adjusting rod and is transmitted by the self-locking transmission part, compared with a mode of directly passing through the knob, the mode can be operated by a single hand, the expansion or the reduction can be realized only by pinching the same ends of the two adjusting rods by two fingers, the operation and the use can be more convenient, and the adjustment and the use in the operation are convenient.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a partial cross-sectional structural schematic view of the dilator body;

FIG. 3 is an enlarged view of the structure of area A in FIG. 2;

fig. 4 is a structural diagram illustrating a state in which the dilator body is rectangular.

In the figure: 1-a dilator body; 2-an expansion arm; 3-an expansion board; 4-adjusting the rod; 5-self-locking transmission part; 6-a slide bar; 7-fixing the ring; 8-a transmission rod; 9-rotation stopping pin; 10-a rotating shaft; 11-a gear; 12-rack.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: a urinary surgery retractor comprises a dilator main body 1, wherein the bottom of the dilator main body 1 is rotatably connected with two groups of expansion arms 2, the rotation directions of the two groups of expansion arms 2 are opposite, the bottom of each expansion arm 2 is connected with an expansion plate 3, the top of the dilator main body 1 is provided with two groups of adjusting rods 4, a self-locking transmission part 5 is arranged between each adjusting rod 4 and the dilator main body 1, the self-locking transmission part 5 is used for transmitting the rotation action of each adjusting rod 4 to the expansion arm 2 and limiting the expansion arm 2 when the dilator stops, each adjusting rod 4 is a non-linear rod, a bending area is arranged in the middle of the adjusting rod and connected with the self-locking transmission part 5, the length of a force arm is prolonged by the aid of the bending area, so that the retractor can rotate exactly, the self-locking transmission part 5 can be self-locked, and therefore the operation only needs two fingers of a single hand to hold the same end of the two adjusting rods 4, and the two ends are used for realizing expansion or reduction, the self-locking transmission part 5 can be stopped at any time during transmission, a hook (not shown) is further arranged on the dilator main body 1 for hanging, the dilator main body 1 is of an oval or rectangular structure, the direction of the major axis of the oval is perpendicular to the expansion direction, the length direction of the rectangle is parallel to the expansion direction, in general, a certain space is needed for operation, and the dilator main body 1 certainly occupies part of the operation space, so that the oval is arranged for operation above, and is directly in the oval, because the opening of a scalpel on a body is usually a knife and then is spread, the opening shape is similar to the oval, the rectangular structure is arranged from the side, the operation is carried out on the side of the dilator main body 1, and the two modes are used according to different operation requirements, and are more convenient to use.

The self-locking transmission part 5 comprises a slide rod 6 which is connected to the expander body 1 in a vertical sliding manner, the slide rod 6 can slide along the axial direction of the slide rod 6, the upper surface of the expander body 1 is fixedly connected with a fixing ring 7 and is connected with a transmission rod 8 in a rotating manner through the fixing ring 7, one end of the transmission rod 8 is fixed with the adjusting rod 4, the other end of the transmission rod is in threaded connection with the slide rod 6, a rotation stopping pin 9 is arranged between the slide rod 6 and the expander body 1, the lower surface of the expander body 1 is connected with a rotating shaft 10 in a rotating manner, the rotating shaft 10 is fixedly connected with the end part of the expansion arm 2, a gear 11 is fixedly connected with one end of the rotating shaft 10, a rack 12 meshed with the gear 11 is arranged on the slide rod 6, specifically, the fixing ring 7 is fixedly arranged on the expander body 1 and is coaxial with the slide rod 6, and the transmission rod 8 is connected to the inner wall of the fixing ring 7 in a rotating manner through a bearing, the top of the rotating shaft 10 is fixedly connected with an adjusting rod 4 and driven by the adjusting rod 4, a transmission rod 8 is in threaded connection with a sliding rod 6 and is matched with the limit of a rotation stopping pin 9 to realize the up-and-down movement of the sliding rod 6, the rotation stopping pin 9 is columnar, semi-arc grooves matched with the rotation stopping pin 9 are formed in the outer wall of the sliding rod 6 and an expander main body 1, the rotation stopping pin 9 is connected with the sliding rod 6 to limit the rotation, a plane is arranged on the sliding rod 6, a rack 12 is fixed through the plane to drive the rotation of a gear 11 along with the up-and-down movement of the sliding rod 6, so that the expansion arm 2 is expanded or contracted, a speed reducing mechanism is arranged between the rotating shaft 10 and the gear 11, because the rotating angle of the adjusting rod 4 cannot exceed 90 degrees, the adjustment is inconvenient for one hand because the exceeding, and the sliding rod 6 is too long to be inconvenient to use because the speed reducing mechanism is arranged, the speed reducing mechanism is used for adjusting the transmission ratio, and adopts the prior art structure, it is preferably provided with a planetary gear reduction mechanism.

The expansion plate 3 is an elliptic arc, and the expansion plate 3 is elastically and rotatably connected with the bottom of the expansion arm 2, because when the expansion arm 2 rotates, the expansion plate 3 cannot keep a vertical state if fixedly connected, and certainly inclines, and the expansion thrust concentration may be caused by the contact of the edge of the expansion plate with the body, so that the elastic rotation connection can enable the expansion plate to be self-adaptively adjusted, thereby keeping the vertical state and reducing the pressure of local acting force, the elastic rotation mode is like the rotary connection of the expansion plate 3 and the expansion arm, and the rotation position is provided with an elastic structure such as a torsion spring.

It should be noted that, in this document, relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (5)

1. A urinary surgery retractor is characterized in that: including expander main part (1), the bottom of expander main part (1) is rotated and is connected with two sets of expansion arms (2), and the rotation direction of two sets of expansion arms (2) is opposite, the bottom of expansion arm (2) is connected with expansion plate (3), the top of expander main part (1) is equipped with two sets of regulation poles (4), just it is equipped with auto-lock drive division (5) to adjust between pole (4) and expander main part (1), and auto-lock drive division (5) are used for transmitting the rotation action of adjusting pole (4) to expansion arm (2) and spacing expansion arm (2) when stopping.

2. A urological retractor according to claim 1, characterized in that: auto-lock transmission portion (5) are including slide bar (6) of upper and lower sliding connection on expander main part (1), the upper surface of expander main part (1) still fixedly connected with solid fixed ring (7) to rotate through solid fixed ring (7) and be connected with transfer line (8), the one end of transfer line (8) is fixed with regulation pole (4), the other end and slide bar (6) threaded connection, just be equipped with between slide bar (6) and expander main part (1) and end commentaries on classics round pin (9), the lower surface of expander main part (1) rotates and is connected with pivot (10), pivot (10) and expansion arm (2) tip fixed connection, just the one end fixedly connected with gear (11) of pivot (10), be equipped with on slide bar (6) with rack (12) with gear (11) meshing.

3. A urological retractor according to claim 2, characterized in that: the expansion plate (3) is an elliptical arc, and the expansion plate (3) is connected with the bottom of the expansion arm (2) in an elastic rotation manner.

4. The urological surgical retractor of claim 1 wherein: the expander main body (1) is of an oval or rectangular structure, the direction of a major semi-axis of the expander main body is perpendicular to the expanding direction, and the length direction of the expander main body is parallel to the expanding direction.

5. A urological retractor according to claim 2, characterized in that: and a speed reducing mechanism is arranged between the rotating shaft (10) and the gear (11).

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