CN219814109U - Central venous pressure measuring probe device capable of automatically following body position change - Google Patents

Abstract

The utility model discloses a central venous pressure measuring probe device capable of automatically following body position changes, which comprises a base, wherein a stepping motor is arranged on the upper end face of the base, the output end of the stepping motor is fixedly connected with a screw rod, the outer wall of the screw rod is movably connected with a movable block, the left side and the right side of the upper end face of the movable block are fixedly connected with supporting rods, the top ends of the two supporting rods are fixedly connected with supports, an optical distance meter detects the change of height and transmits signals to a control panel, the control panel receives the signals and controls the stepping motor to work, the stepping motor drives the screw rod to rotate, so that the movable block on the outer wall of the screw rod moves up and down, and the supports and a CVP probe are driven by the movable block to adjust the height until the laser distance meter detects the height to meet a preset value again, thereby realizing the purpose of real-time adjustment of the CVP probe following the body position changes, reducing the workload of medical staff and avoiding causing clinical judgment errors.

Description

A central venous pressure pressure measuring probe device that can automatically follow body position changes

Technical field

The utility model relates to the technical field of medical equipment, specifically a central venous pressure pressure measuring probe device that can automatically follow body position changes.

Background technique

After heart disease surgery, patients need to routinely monitor central venous pressure. This pressure is generally between 5-10cm HO2. A slight change of around 5cmHO2 has clinical significance. Currently, pressure measuring probes are placed on the patient's body. Lateral, the height is equivalent to the position of the right atrium of the human heart, and its projection on the body surface is the fourth intercostal space in the mid-axillary line;

After cardiac surgery, the patient's position needs to change, such as raising the upper body, etc., and the probe position needs to be readjusted and calibrated. In addition, the position of the probe may move for various reasons, causing changes in CVP values, which may mislead clinical judgment. Therefore, the current pressure measuring device will increase the workload of medical staff, and may seriously cause errors in clinical judgment.

Utility model content

The purpose of this utility model is to provide a central venous pressure measurement probe device that can automatically follow changes in body position, and has the purpose of realizing real-time height adjustment of the CVP probe following changes in body position, reducing the workload of medical personnel and avoiding errors in clinical judgment. Features.

In order to achieve the above purpose, the present utility model provides the following technical solution: a central venous pressure pressure measuring probe device that can automatically follow body position changes, including a base, and a stepper motor is installed on the upper end surface of the base. The output end is fixedly connected to a screw rod, the outer wall of the screw rod is movably connected to a movable block, the left and right sides of the upper end surface of the movable block are fixedly connected to support rods, and the tops of the two support rods are fixedly connected to brackets. A CVP probe is installed on the upper end surface of the bracket;

A support rod is provided on one side of the base, and a mounting plate is fixedly connected to the outer wall of the support rod. A distance measuring device is installed on the lower end face of the mounting plate. The distance measuring device includes a top plate, and the lower end face of the top plate A laser rangefinder is fixedly connected through a hanging rope. A laser probe is provided at the bottom of the laser rangefinder. The laser probe is located directly above the CVP probe.

In order to limit the position of the movable block, as a central venous pressure pressure measuring probe device that can automatically follow body position changes of the present invention, the left and right sides of the upper end surface of the base are fixedly connected with limiting rods, and the two The outer walls of the limit rods are all slidingly connected to the limit blocks, and the two limit blocks are fixedly connected to the left and right sides of the movable block respectively.

In order to ensure that the laser probe points vertically to the ground, as a preferred central venous pressure pressure measuring probe device of the present invention that can automatically follow body position changes, the four corners of the lower end surface of the laser rangefinder are fixedly connected with connecting rods. A counterweight with a tapered structure is fixedly connected to the bottom of each of the connecting rods. A through hole is drilled through the interior of the counterweight, and the through hole coincides with the central axis of the laser probe.

In order to protect the distance measuring device, as a central venous pressure pressure measuring probe device that can automatically follow body position changes of the present invention, a protective cover is fixedly connected to the lower end surface of the top plate, and the protective cover is a transparent organic Glass.

In order to facilitate the operation of the control equipment, as a central venous pressure pressure measuring probe device that can automatically follow body position changes of the present invention, a control panel is installed on the outer wall of the support rod, the laser rangefinder and the stepper motor are All are electrically connected to the control panel.

In order to limit the position of the movable block, as a central venous pressure pressure measuring probe device that can automatically follow body position changes of the present invention, the top end of the screw rod is fixedly connected to a limiting plate.

Compared with the existing technology, the beneficial effects of this utility model are as follows:

By setting up the laser rangefinder, the height changes of the bracket and the CVP probe can be detected in real time. The distance is preset through the control panel during use. When the body position changes or the CVP probe is displaced, the laser rangefinder detects the change in height and The signal is transmitted to the control panel. The control panel receives the signal and controls the operation of the stepper motor. The stepper motor drives the screw rod to rotate, thereby causing the movable block on the outer wall of the screw rod to move up and down. The movable block drives the bracket and the CVP probe to adjust the height until The laser rangefinder once again detects that the height meets the preset value, thereby realizing the purpose of real-time adjustment of the height of the CVP probe following changes in body position, reducing the workload of medical staff and avoiding errors in clinical judgment;

The laser rangefinder is fixed and suspended under the roof through a hanging rope, and a counterweight is set at the bottom of the laser rangefinder to ensure that the laser rangefinder points vertically to the ground and improve the distance measurement accuracy.

Description of the drawings

Figure 1 is a schematic diagram of the overall structure of the utility model;

Figure 2 is a structural diagram of the distance measuring device of the present utility model;

In the picture: 1. Base; 2. Stepper motor; 3. Screw; 4. Movable block; 5. Support rod; 6. Bracket; 7. CVP probe; 8. Support rod; 9. Installation plate; 10. Measurement distance device; 11. Top plate; 12. Suspension rope; 13. Laser range finder; 14. Laser probe; 15. Limit rod; 16. Limit block; 17. Connecting rod; 18. Counterweight; 19. Through hole; 20. Protective cover; 21. Control panel.

Detailed ways

Please refer to Figures 1 to 2. A central venous pressure pressure measuring probe device that can automatically follow body position changes includes a base 1. A stepper motor 2 is installed on the upper end of the base 1. The output end of the stepper motor 2 is fixedly connected to The screw rod 3 has a movable block 4 movably connected to the outer wall of the screw rod 3. The left and right sides of the upper end surface of the movable block 4 are fixedly connected with support rods 5. The tops of the two support rods 5 are fixedly connected with brackets 6. The upper ends of the brackets 6 The CVP probe 7 is installed on the end face;

A support rod 8 is provided on one side of the base 1, and a mounting plate 9 is fixedly connected to the outer wall of the support rod 8. A distance measuring device 10 is installed on the lower end face of the mounting plate 9. The distance measuring device 10 includes a top plate 11, and the lower end face of the top plate 11 passes through The hanging rope 12 is fixedly connected to a laser range finder 13 , and a laser probe 14 is provided at the bottom of the laser range finder 13 . The laser probe 14 is located directly above the CVP probe 7 .

In this embodiment, the height changes of the bracket 6 and the CVP probe 7 can be detected in real time by setting the laser rangefinder 13. The distance is set in advance through the control panel 21 during use. When the body position changes or the CVP probe 7 is displaced, The laser rangefinder 13 detects the change in height and transmits the signal to the control panel 21. The control panel 21 receives the signal and controls the stepper motor 2 to work. The stepper motor 2 drives the screw rod 3 to rotate, thereby causing the movement of the outer wall of the screw rod 3. The block 4 moves up and down, and the movable block 4 drives the bracket 6 and the CVP probe 7 to adjust the height until the laser rangefinder 13 detects that the height again meets the preset value, thereby achieving the purpose of real-time height adjustment of the CVP probe 7 following body position changes. Reduce the workload of medical staff and avoid errors in clinical judgment;

The laser rangefinder 13 is fixed and suspended under the top plate 11 through the suspension rope 12, and a counterweight 18 is provided at the bottom of the laser rangefinder 13, thereby ensuring that the laser rangefinder 13 points vertically to the ground and improving the distance measurement accuracy.

As a technical optimization solution of the present invention, the left and right sides of the upper end surface of the base 1 are fixedly connected to the limit rods 15, and the outer walls of the two limit rods 15 are slidingly connected to the limit blocks 16. The two limit blocks 16 are respectively Fixedly connected to the left and right sides of the movable block 4.

In this embodiment, two limiting rods 15 and limiting blocks 16 are provided to limit the position of the movable block 4 and prevent the movable block 4 from rotating circumferentially.

As a technical optimization solution of the present invention, the four corners of the lower end surface of the laser rangefinder 13 are fixedly connected with connecting rods 17, and the bottoms of the four connecting rods 17 are fixedly connected with counterweight blocks 18 in a tapered structure. A through hole 19 is drilled through the weight block 18 , and the through hole 19 coincides with the central axis of the laser probe 14 .

In this embodiment, by setting the counterweight block 18, it can be ensured that the laser rangefinder 13 points vertically to the ground, thereby improving the distance measurement accuracy. A through hole 19 is provided inside the counterweight block 18, so that the laser probe 14 can emit laser normally. .

As a technical optimization solution of the present invention, a protective cover 20 is fixedly connected to the lower end surface of the top plate 11, and the protective cover 20 is made of transparent organic glass.

In this embodiment, the protective cover 20 is made of transparent organic glass to avoid external influences on the laser rangefinder 13 and errors in ranging.

As a technical optimization solution of the present invention, a control panel 21 is installed on the outer wall of the support rod 8, and the laser rangefinder 13 and the stepper motor 2 are both electrically connected to the control panel 21.

In this embodiment, the laser rangefinder 13 and the stepper motor 2 are easily controlled through the control panel 21 to realize automated work.

As a technical optimization solution of the present invention, the top end of the screw rod 3 is fixedly connected to the limiting plate.

In this embodiment: the top end of the screw rod 3 is fixedly connected to the limiting plate, thereby limiting the range of movement of the movable block 4 and ensuring the normal operation of the equipment.

Working principle: By setting the laser distance meter 13, the height changes of the bracket 6 and the CVP probe 7 can be detected in real time. The distance is set in advance through the control panel 21 during use. When the body position changes or the CVP probe 7 is displaced, the laser distance meter The distance meter 13 detects the change in height and transmits the signal to the control panel 21. The control panel 21 receives the signal and controls the stepper motor 2 to work. The stepper motor 2 drives the screw rod 3 to rotate, thereby causing the movable block 4 on the outer wall of the screw rod 3 to rotate. Move up and down, and use the movable block 4 to drive the bracket 6 and the CVP probe 7 to adjust the height until the laser rangefinder 13 detects that the height again meets the preset value, thereby achieving the purpose of real-time adjustment of the height of the CVP probe 7 following body position changes, reducing workload of medical staff to avoid errors in clinical judgment.

The above are only preferred embodiments of the present utility model and are not intended to limit the present utility model. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present utility model shall be included in the present utility model. within the scope of protection.

Claims (6)

1. A central venous pressure pressure measurement probe device that can automatically follow body position changes, including a base (1), characterized in that: a stepper motor (2) is installed on the upper end surface of the base (1), and the stepper A screw rod (3) is fixedly connected to the output end of the motor (2), a movable block (4) is movably connected to the outer wall of the screw rod (3), and both left and right sides of the upper end surface of the movable block (4) are fixedly connected. There are support rods (5), the top ends of the two support rods (5) are fixedly connected with brackets (6), and the CVP probe (7) is installed on the upper end surface of the bracket (6); A support rod (8) is provided on one side of the base (1), a mounting plate (9) is fixedly connected to the outer wall of the support rod (8), and a distance measuring device is installed on the lower end of the mounting plate (9) (10), the distance measuring device (10) includes a top plate (11), and a laser range finder (13) is fixedly connected to the lower end surface of the top plate (11) through a suspension rope (12). A laser probe (14) is provided at the bottom of the instrument (13), and the laser probe (14) is located directly above the CVP probe (7). 2. A central venous pressure pressure measuring probe device that can automatically follow body position changes according to claim 1, characterized in that: the left and right sides of the upper end surface of the base (1) are fixedly connected with limit rods (15) , the outer walls of the two limiting rods (15) are slidingly connected to the limiting blocks (16), and the two limiting blocks (16) are fixedly connected to the left and right sides of the movable block (4) respectively. 3. A central venous pressure pressure measurement probe device that can automatically follow body position changes according to claim 1, characterized in that: the four corners of the lower end surface of the laser rangefinder (13) are fixedly connected with connecting rods ( 17), the bottoms of the four connecting rods (17) are fixedly connected with counterweights (18) with a tapered structure, and through holes (19) are drilled through the interior of the counterweights (18). The central axis of the through hole (19) and the laser probe (14) coincide. 4. A central venous pressure pressure measuring probe device that can automatically follow body position changes according to claim 1, characterized in that: a protective cover (20) is fixedly connected to the lower end surface of the top plate (11), and the protective cover (20) is fixedly connected to the lower end surface of the top plate (11). The cover (20) is made of transparent organic glass. 5. A central venous pressure pressure measurement probe device that can automatically follow body position changes according to claim 1, characterized in that: a control panel (21) is installed on the outer wall of the support rod (8), and the laser measurement probe device The distance meter (13) and the stepper motor (2) are both electrically connected to the control panel (21). 6. A central venous pressure pressure measuring probe device that can automatically follow body position changes according to claim 1, characterized in that: the top end of the screw rod (3) is fixedly connected to a limiting plate.