CN110353706A - A kind of urodynamics tractor - Google Patents

Abstract

The present invention relates to the technical field of urodynamics, in particular to a urodynamic tractor, comprising a traction frame, a pull rod transmission assembly and a pull rod; the pull rod transmission assembly is fixedly connected to the traction frame, and the pull rod transmission assembly includes a power unit, a first roller shaft and the second roller, the diameter of the first roller and the second roller are equal, the axes of the two are parallel to each other and in the same horizontal plane, the power unit drives the first roller and the second roller to rotate in the same direction at the same speed , the pull rod is placed above the first roller and the second roller by its own weight. The present invention has the advantages of small size, high reliability, easy maintenance, low mechanical noise, simple operation, beautiful appearance, etc., and because medical supplies have high requirements for sanitation, they need to be cleaned and disinfected frequently. Because the surface of the retractor is smooth and has an anti-corrosion layer, it can be cleaned directly with a disinfectant, and there is no dead angle that is inconvenient to clean, so it is easy to clean and disinfect.

Description

A urodynamic retractor

technical field

The invention relates to the technical field of urodynamics, in particular to a urodynamic retractor.

Background technique

Urodynamics is a science that uses electrophysiological methods and sensor technology to study the physiological process of urine storage and urination and its dysfunction based on the principles of fluid mechanics.

When performing urodynamic analysis on urinary patients, it is necessary to detect the function of the urethra, and the retractor is an indispensable device. Most of the existing retractors are bulky, cumbersome to operate and inconvenient to disinfect.

Contents of the invention

In order to solve the above problems, the present invention provides a urodynamic retractor, which is small in size and convenient in operation and disinfection.

In order to achieve the above object, the present invention adopts the following technical solutions:

A urodynamic tractor, comprising a traction frame, a pull rod transmission assembly and a pull rod; the pull rod transmission assembly is fixedly connected to the traction frame, the pull rod transmission assembly includes a power unit, a first roller and a second roller, the first roller The diameter is equal to that of the second roller, and the axes of the two are parallel to each other and in the same horizontal plane. The power unit drives the first roller and the second roller to rotate in the same direction at the same speed. The pull rod is placed between the first roller and the second roller by its own weight. above the second roller.

Further, the pull rod is made of magnetically conductive hard material, and the first roller and the second roller are both magnetic rollers.

Further, there is an anti-corrosion layer on the surface of the pull rod.

Further, one end of the pull rod includes a pipe interface for fixing the pressure measuring tube, the pipe interface includes a first part, a second part and a control switch, the first part is fixedly connected to one end of the second part, and the other One end controls the distance between the first part and the second part through the control switch, and the other end of the first part and the second part both have semicircular through holes, and when they are close to each other, two semicircular through holes form A circular mounting hole, the radial direction of the mounting hole is parallel to the radial direction of the pull rod.

Further, the control switch includes a first control component and a second control component, the first control component is fixedly connected to the first component after passing through the second component, and the second control component is connected to the first component after passing through the first component The second part is fixedly connected.

Further, a scale scale is set on the surface of the pull rod, and a zero position indicator mark is set on the pull rod transmission assembly.

Further, the traction bracket is a multi-degree-of-freedom mechanical arm, and the pull rod transmission assembly is fixedly installed on the movable end of the multi-degree-of-freedom mechanical arm.

Further, the power unit includes a motor, a first gear, a second gear and a third gear, the first gear is fixedly mounted on the output shaft of the motor, and the second gear and the third gear mesh with both sides of the first gear respectively , the first roller is fixedly installed at the center of the second gear 26, and the second roller is fixedly installed at the center of the third gear.

Further, the motor is a DC brushless motor.

The present invention adopts the above technical scheme, and has the advantages of small size, high reliability, easy maintenance, low mechanical noise, simple operation, beautiful appearance, etc., and because medical supplies have high requirements for sanitation, they need to be cleaned and disinfected frequently. The proposed urodynamic retractor has a smooth surface and has an anti-corrosion layer, so it can be cleaned directly with a disinfectant, and there is no dead corner that is inconvenient to clean, so it is easy to clean and disinfect.

Description of drawings

FIG. 1 is a schematic diagram of the overall structure of an embodiment of the present invention.

Fig. 2 shows a schematic diagram of the internal structure of the pull rod transmission assembly in this embodiment.

FIG. 3 shows a schematic structural view of the pipe interface of the pull rod in this embodiment.

Detailed ways

In order to further illustrate the embodiments, the present invention provides drawings. These drawings are a part of the disclosure of the present invention, which are mainly used to illustrate the embodiments, and can be combined with related descriptions in the specification to explain the operating principles of the embodiments. With reference to these contents, those skilled in the art should understand other possible implementations and advantages of the present invention. Components in the figures are not drawn to scale, and similar component symbols are generally used to denote similar components.

The present invention will be further described in conjunction with the accompanying drawings and specific embodiments.

This embodiment discloses a urodynamic tractor, as shown in FIG. 1 , which includes a traction bracket 1 , a pull rod transmission assembly 2 and a pull rod 3 .

The traction bracket 1 is used to support and fix the pull rod transmission assembly 2, and its structure can be a commonly used structure such as a fixed support device, or a multi-degree-of-freedom mechanical arm in this embodiment, through which the multi-degree-of-freedom mechanical arm can be up and down, left and right 1. Adjust the position of the pull rod transmission assembly 2 in multiple directions front and back, and then adjust the position of the upper pull rod 3 to adapt to patients in different positions without moving the urodynamic tractor around.

The traction bracket 1 in this embodiment can realize the adjustment of the three-dimensional position, and it includes three joints and two mechanical arms connecting the three joints, wherein the first joint 11 and the third joint 13 located at both ends can be adjusted up and down, left and right position, the second joint 12 located in the middle can adjust the front, back, up and down position, through the common adjustment of multiple joints, one end of the traction bracket 1 can be moved to the desired position, so that the treatment can be performed quickly and conveniently.

The pull rod transmission assembly 2 is fixedly arranged on one end of the traction bracket 1. In this embodiment, one end connected to the pull rod transmission assembly 2 on the traction bracket 1 is set as the movable end, and the other end is set as the fixed end, and the fixed end is placed on the ground relative to the ground. fixed.

Referring to FIG. 2 , the pull rod transmission assembly 2 includes a casing 21 , a power unit, a first roller 22 and a second roller 23 .

The power unit is fixedly arranged in the casing 21, and the power unit drives the first roller 22 and the second roller 23 to rotate at the same time, so as to drive the pull rod 3 placed on the first roller 22 and the second roller 23 by its own weight to move Therefore, the side where the first roller 22 and the second roller 23 are in contact with the pull rod 3 is disposed outside the shell.

In order to better restrict the moving direction of the pull rod 3 placed on the pull rod transmission assembly 2 from shifting, it is preferable in this embodiment to set the housing 21 to include a groove 211 that just accommodates the pull rod 3, and the width of the groove 211 is Match the outer diameter of the pull rod 3.

The diameter of the first roller 22 and the second roller 23 are equal, the axes of the two are parallel to each other and in the same horizontal plane, the power unit drives the first roller 22 and the second roller 23 to rotate at the same speed towards the same direction, and the pull rod 3 It is placed above the first roller 22 and the second roller 23 by its own weight. Preferentially in this embodiment, the first roller 22 and the second roller 23 have an annular groove 29 for just accommodating the pull rod 3, the width of the annular groove 29 of the first roller 22 and the second roller 23 Match the outer diameter of the pull rod 3.

The power unit is a common pair of mechanical structures. For simple structure and convenient production, the power unit in this embodiment includes a motor 24, a first gear 25, a second gear 26 and a third gear 27, and the first gear 25 is fixedly installed On the output shaft of the motor 24, the second gear 26 and the third gear 27 mesh with both sides of the first gear 25 respectively, the first roller 22 is fixedly installed in the center of the second gear 26, and the second roller 23 is fixedly installed At the center of the third gear 27 , the rotation of the first gear 25 can drive the first roller 22 and the second roller 23 to rotate at the same speed and in the same direction. In other embodiments, other structures are also possible.

In this embodiment, the motor 24 adopts a small brushless DC motor 24, which has the characteristics of low noise and smooth operation. It realizes electronic commutation through semiconductor switching devices, that is, replaces traditional contact commutators with electronic switching devices. and brushes.

In order to facilitate the rotation of the first roller 22 and the second roller 23 , in this embodiment, the first roller 22 and the second roller 23 are connected to the casing 21 through a bearing 28 .

In this embodiment, the pull rod 3 is a hard material with certain magnetic properties, such as iron rod, iron alloy rod, nickel alloy rod, etc. In order to prevent the surface of the pull rod 3 from being corroded, it is preferable to coat the surface of the pull rod 3 with an anti-corrosion coating . When in use, the pull rod 3 is placed above the first roller 22 and the second roller 23. In order to better draw the pull rod 3, the first roller 22 and the second roller are preferably set in this embodiment. The shafts 23 are all magnetic rollers. Through the above configuration, the pull rod 3 made of magnetic material can be quickly and reliably adsorbed to the annular grooves 29 on the first magnetic roller 22 and the second magnetic roller 23 .

Referring to FIG. 3 , the pull rod 3 includes a straight body section 3A and a pipe interface section 3B, wherein one end of the pipe interface section 3B is provided with a pipe interface for fixing a urodynamic piezometric tube. In order to better fix the pressure measuring tube, in this embodiment, the pipe interface includes a first part 31, a second part 32 and a control switch 33 located on both sides of a slit 34, the first part 31 and the second part One end of the two parts 32 is fixedly connected together, and the other end controls the separation or approach between the first part 31 and the second part 32 through the control switch 33 , so as to enlarge or reduce the opening of the slit 34 . A mounting hole 34 is formed adjacent to the other ends of the first part 31 and the second part 32. The radial direction of the mounting hole 34 is parallel to the radial direction of the pull rod 3, and is used for installing the pressure measuring tube, that is, the first part 31 The other end of the second component 32 has a semicircular through hole, and the two semicircular through holes form a circular mounting hole 34 when approaching. The working mode of this pipeline interface is: control the second end of the first part 31 and the second part 32 to be far away from by the control switch 33, at this moment, the mounting hole 34 becomes larger, and the pressure measuring tube is passed through the mounting hole 34, gradually controlling The switch 33 makes the first part 31 and the second part 32 approach gradually, at this time, the mounting hole 34 gradually decreases until the mounting hole 34 clamps the pressure measuring tube.

In this embodiment, the control switch 33 includes a first control component 331 and a second control component 332, the first control component 331 passes through the second through hole (not visible in the figure) of the second component 32 A component 31 is fixedly connected, and the second control component 332 is fixedly connected to the second component 32 after passing through the first through hole 311 of the first component 31. By simultaneously pressing the first control component 331 and the second control component 332, the second The first part 31 and the second part 32 are separated from each other, and when the first control assembly 331 and the second control assembly 332 are released, the first part 31 and the second part 32 return to the original position close to each other.

In order to better measure the moving distance of the pull rod 3, a scale scale is set on the surface of the main body section 3A of the pull rod 3 in this embodiment. Correspondingly, a zero position indicator mark is set on the pull rod transmission assembly 2. Align the zero position with the zero position indicator mark. The zero position indicator mark can be an ink note, or an indicator column 212 fixed on the housing 21 as shown in FIG. 1 in this embodiment, which is not limited here.

The moving speed of the pull rod 3 is adjusted by the rotation speed of the motor 24. In this embodiment, the adjustment range is 0-10 mm/s, and the length of the pull rod 3 can be set between 0-200 mm.

The urodynamic tractor in this embodiment has the advantages of small size, high reliability, easy maintenance, low mechanical noise, simple operation, beautiful appearance, etc., and because medical supplies have high requirements for hygiene, they need to be cleaned and disinfected frequently Since the surface of the urodynamic tractor in this embodiment is smooth and has an anti-corrosion layer, it can be cleaned directly with a disinfectant, and there is no dead angle that is inconvenient to clean, so it is easy to clean and disinfect.

The working principle of this embodiment is:

(1) Adjust the traction bracket 1, loosen the three joints, adjust the pull rod transmission assembly 2 to a suitable position, and place the pull rod 3 corresponding to the model of the pressure measuring tube on the first roller 22 and the second roller of the pull rod transmission assembly 2. Above the roller 23, align the zero position of the pull rod 3 with the indicating column 212 on the pull rod transmission assembly 2;

(2) The thumb and forefinger press the first control assembly 331 and the second control assembly 332 of the control switch 33 at the same time to make the installation hole 34 larger. After placing the pressure measuring tube in the installation hole 34, release the thumb and forefinger so that The piezometer tube is clamped;

(3) After setting the rotating speed and the amount of rotation of the motor 24, the motor 24 in the pull rod transmission assembly 2 is controlled to rotate, and the motor 24 drives the first gear 25 to rotate, and the first gear 25 drives the second gear 26 and the third gear 27 toward the same direction at the same time. direction to rotate, and then drive the first roller 22 and the second roller 23 to rotate in the same direction at the same time, the pull rod 3 placed above the first roller 22 and the second roller 23 moves with the The rotation of the shaft 23 moves, and then drives the pressure measuring tube to move to treat the patient.

Although the present invention has been particularly shown and described in conjunction with preferred embodiments, it will be understood by those skilled in the art that changes in form and details may be made to the present invention without departing from the spirit and scope of the invention as defined by the appended claims. Making various changes is within the protection scope of the present invention.

Claims (9)

1. a kind of urodynamics tractor, it is characterised in that: including towing bracket, pull rod transmission component and pull rod；

The pull rod transmission component is fixedly connected on towing bracket, and pull rod transmission component includes power unit, the first roller bearing and Two roller bearings, the first roller bearing is equal with the second roller bearing diameter, and the axis of the two is parallel to each other and in same level, power list Member the first roller bearing of driving and the second roller bearing are rotated with identical speed towards the same direction, and pull rod is placed in the first roller bearing by self weight With the top of the second roller bearing.

2. urodynamics tractor according to claim 1, it is characterised in that: the pull rod is the hard material of magnetic conduction Pull rod, first roller bearing and the second roller bearing are magnetic roller bearing.

3. urodynamics tractor according to claim 2, it is characterised in that: there is corrosion-resistant coating on the pull rod surface.

4. urodynamics tractor according to claim 1, it is characterised in that: one end of the pull rod includes for fixing The pipe joint of pressure-measuring pipe, the pipe joint include the first component, second component and control switch, the first component and One end of two components is fixedly connected, the other end controlled by control switch it is separate or close between the first component and second component, And the other end of the first component and second component all has semicircular through-hole, two semicircular through-holes form circle when close The mounting hole of shape, the radial direction of mounting hole and the radial direction of pull rod are parallel.

5. urodynamics tractor according to claim 4, it is characterised in that: the control switch includes the first control group Part and the second control assembly, first control assembly are fixedly connected after passing through second component with the first component, second control Component processed is fixedly connected after passing through the first component with second component.

6. urodynamics tractor according to claim 1, it is characterised in that: graduated scale is arranged in the pull rod surface, Dead-center position Warning Mark is set on pull rod transmission component.

7. urodynamics tractor according to claim 1, it is characterised in that: the towing bracket is multi freedom degree mechanical Arm, the pull rod transmission component are fixedly mounted on the movable end of the multi-degree-of-freemechanical mechanical arm.

8. urodynamics tractor according to claim 1, it is characterised in that: the power unit includes motor, first Gear, second gear and third gear, first gear are fixedly installed on the output shaft of motor, second gear and third gear point It is not engaged with the two sides of first gear, the first roller bearing is fixedly installed in the center of second gear 26, and the second roller bearing is fixedly installed in The center of third gear.

9. urodynamics tractor according to claim 8, it is characterised in that: the motor is DC brushless motor.