CN215384018U

CN215384018U - Device for monitoring and evaluating cardiac function and blood volume according to central venous pressure

Info

Publication number: CN215384018U
Application number: CN202121764443.XU
Authority: CN
Inventors: 王继超; 吕红娜; 庞胜
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-07-30
Filing date: 2021-07-30
Publication date: 2022-01-04
Anticipated expiration: 2031-07-30

Abstract

The utility model discloses a device for monitoring and evaluating cardiac function and blood volume according to central venous pressure, which comprises a transverse plate, wherein the top of the transverse plate is fixedly connected with a side plate, a first through hole and a second through hole are formed in the transverse plate, the inner wall of one side of the first through hole is connected with a second rack in a sliding manner, the inner wall of one side of the second through hole is connected with a first rack in a sliding manner, one side of the first rack is fixedly connected with a chest baffle, and one side of the side plate is provided with a driving component for driving the first rack and the second rack to ascend.

Description

Device for monitoring and evaluating cardiac function and blood volume according to central venous pressure

Technical Field

The utility model relates to the technical field of medical instruments, in particular to a device for monitoring and evaluating cardiac function and blood volume according to central venous pressure.

Background

Central venous pressure is the pressure measured in the proximal great vein. Clinically, peripheral circulation and cardiac pump function are monitored by this method. The current central venous pressure measuring mode utilizes the infusion hose to carry out the target venous infusion for the patient, when the infusion hose is filled with the liquid medicine, the infusion hose is conducted with the atmospheric environment, the liquid column of the infusion hose can stay at a certain height due to the existence of the venous pressure, then the distance between the liquid level of the liquid column and the axillary midline of the patient is measured by utilizing the ruler, and the central venous pressure of the patient is obtained.

Notice for CN 210697614U's utility model discloses a central venous pressure measuring device relates to medical equipment technical field, and what solve is the technical problem who improves measurement accuracy. The device comprises a back inserting plate, a fixed ruler, a movable ruler and a chest baffle plate; the back inserting plate and the chest baffle are both flat plates and are parallel to each other; the fixed ruler and the movable ruler are vertically arranged straight rulers, and the length directions of the fixed ruler and the movable ruler are perpendicular to the plate surface of the back inserting plate; the lower end of the fixed ruler is fixed on the back inserting plate, and the upper end of the fixed ruler is fixed with an infusion valve for connecting an infusion hose; the adjustable ruler and the chest baffle are both arranged on the fixed ruler, the adjustable ruler and the chest baffle can slide up and down relative to the fixed ruler, and a guide rail for guiding the adjustable ruler and the chest baffle to slide up and down is formed on the fixed ruler. The device provided by the utility model is suitable for measuring the central venous pressure.

This central venous pressure measuring device is when using, utilizes the height of doctor's manual regulation chest baffle to come to confirm the position of patient axillary midline through setting up expanding spring, but the error can appear in artifical reading, and expanding spring's elasticity is not good control, use and just can appear wearing and tearing and error after a period of time, lead to two upper and lower expanding spring can not the reconversion, can influence subsequent measurement, so we propose one kind and estimate the device of heart function and blood volume according to central venous pressure monitoring, be used for solving the above-mentioned problem.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the defects that manual reading errors occur and accurate monitoring cannot be realized by spring control in the prior art, and provides a device for evaluating heart function and blood volume according to central venous pressure monitoring.

In order to achieve the purpose, the utility model adopts the following technical scheme:

a device for monitoring and evaluating cardiac function and blood volume according to central venous pressure comprises a transverse plate, a side plate is fixedly connected with the top of the transverse plate, a first through hole and a second through hole are arranged inside the transverse plate, a second rack is connected with the inner wall of one side of the first through hole in a sliding way, a first rack is connected with the inner wall of one side of the second through hole in a sliding way, a chest baffle is fixedly connected with one side of the first rack, one side of the side plate is provided with a driving component for driving the first rack and the second rack to ascend, a fixed ruler is fixedly connected with the top of the transverse plate, a pointer is fixedly connected with one side of the second rack, one side of the fixed ruler is connected with a movable ruler in a sliding way, one side of the fixed ruler is provided with an adjusting component for adjusting the height of the movable ruler, one side of the transverse plate is provided with a fixing component for fixing the device on a sickbed, and one side of the movable ruler is provided with scales.

Preferably, drive assembly connects the hand wheel in curb plate one side including rotating, one side fixedly connected with pivot of hand wheel, the curb plate is run through to the one end of pivot, the outer wall of pivot is fixed the cover respectively and is equipped with the pinion with second rack looks meshing and the gear wheel with first rack looks meshing.

Preferably, the adjusting part comprises a fixing plate fixedly connected to one side of the fixed ruler, the bottom of the fixing plate is in threaded connection with a first bolt, and the top of the first bolt penetrates through the fixing plate and is rotatably connected with the bottom of the movable ruler.

Preferably, the fixed subassembly includes the U template of fixed connection in diaphragm one side, the bottom threaded connection of U template has the second bolt, the top of second bolt extends to the inside of U template.

Preferably, the gear wheel has a circumference twice the circumference of the pinion.

Preferably, one side of the movable ruler is fixedly connected with a measuring plate.

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

1. according to the utility model, a U-shaped plate is fixed at the bedside, the inner wall of the top of the U-shaped plate is abutted against the bed surface, a second bolt is rotated, the second bolt moves vertically upwards to abut against the bottom of the bed, the device is fixed at the bedside, a hand wheel is rotated, the hand wheel drives a rotating shaft to rotate, the rotating shaft drives a pinion and a bull gear to rotate, the bull gear drives a first rack to move vertically upwards, the pinion drives a second rack to move vertically upwards, the first rack drives a chest baffle to move vertically upwards, a patient lies on the sickbed, the chest baffle is positioned above the chest of the patient, and the hand wheel is rotated reversely until the bottom of the chest baffle is abutted against the chest of the patient;

2. in the utility model, the circumference of the big gear is twice of that of the small gear, so that the moving height of the second rack is half of that of the first rack, the second rack drives the pointer to vertically move upwards, and the position of the pointer is the position of the axillary midline of the patient;

3. according to the utility model, the first bolt is rotated to drive the movable ruler to vertically move upwards, the movable ruler drives the measuring plate to vertically move upwards until the pointer and the movable ruler are kept horizontal, the zero scale mark of the scale is flush with the axillary midline of a patient, and the position of the movable ruler is not changed, so that the measuring error caused by the shaking of the patient is avoided.

The device is simple in structure, the device is fixed at the bedside through the fixing component, the first rack and the second rack are driven to ascend through the driving component, the position of the axillary midline of a patient can be determined, and the zero scale line of the scale is adjusted to be flush with the axillary midline of the patient through the adjusting component, so that the device is convenient to use.

Drawings

FIG. 1 is a three-dimensional view from a first perspective of an apparatus for assessing cardiac function and blood volume based on central venous pressure monitoring in accordance with the present invention;

FIG. 2 is a second perspective three-dimensional view of an apparatus for assessing cardiac function and blood volume based on central venous pressure monitoring in accordance with the present invention;

FIG. 3 is a three-dimensional view from a third perspective of an apparatus for assessing cardiac function and blood volume based on central venous pressure monitoring in accordance with the present invention;

fig. 4 is a schematic view of the connection between the fixing plate and the U-shaped plate according to the present invention.

In the figure: 1. a transverse plate; 2. a bull gear; 3. a side plate; 4. a hand wheel; 5. a chest baffle; 6. a first rack; 7. a fixing plate; 8. a movable ruler; 9. fixing a ruler; 10. a pointer; 11. a second rack; 12. a rotating shaft; 13. a pinion gear; 14. measuring a plate; 15. a first bolt; 16. a first through hole; 17. a second through hole; 18. calibration; 19. a U-shaped plate; 20. and a second bolt.

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.

Example one

Referring to fig. 1-4, a device for monitoring and evaluating cardiac function and blood volume according to central venous pressure, comprising a transverse plate 1, a lateral plate 3 fixedly connected to the top of the transverse plate 1, a first through hole 16 and a second through hole 17 formed in the transverse plate 1, a second rack 11 slidably connected to the inner wall of one side of the first through hole 16, a first rack 6 slidably connected to the inner wall of one side of the second through hole 17, a chest baffle 5 fixedly connected to one side of the first rack 6, a driving assembly for driving the first rack 6 and the second rack 11 to ascend and arranged on one side of the lateral plate 3, a fixed ruler 9 fixedly connected to the top of the transverse plate 1, a pointer 10 fixedly connected to one side of the second rack 11, a movable ruler 8 slidably connected to one side of the fixed ruler 9, an adjusting assembly for adjusting the height of the movable ruler 8 arranged on one side of the transverse plate 1, and a fixing assembly for fixing the device on a hospital bed arranged on one side of the transverse plate 1, one side of the movable rule 8 is provided with a scale 18.

Example two

Referring to fig. 1-4, a device for monitoring and evaluating cardiac function and blood volume according to central venous pressure comprises a transverse plate 1, a lateral plate 3 fixedly connected to the top of the transverse plate 1, a first through hole 16 and a second through hole 17 formed in the transverse plate 1, a second rack 11 slidably connected to the inner wall of one side of the first through hole 16, a first rack 6 slidably connected to the inner wall of one side of the second through hole 17, a chest baffle 5 fixedly connected to one side of the first rack 6, a driving assembly for driving the first rack 6 and the second rack 11 to ascend and arranged on one side of the lateral plate 3, the driving assembly comprising a hand wheel 4 rotatably connected to one side of the lateral plate 3, a rotating shaft 12 fixedly connected to one side of the hand wheel 4, one end of the rotating shaft 12 penetrating through the lateral plate 3, a pinion 13 meshed with the second rack 11 and a bull gear 2 meshed with the first rack 6 respectively fixedly sleeved on the outer wall of the rotating shaft 12 for driving the first rack 6 and the second rack 11 to ascend, convenient for subsequent measurement, a fixed ruler 9 is fixedly connected to the top of the transverse plate 1, a pointer 10 is fixedly connected to one side of the second rack 11, a movable ruler 8 is slidably connected to one side of the fixed ruler 9, an adjusting component for adjusting the height of the movable ruler 8 is arranged on one side of the fixed ruler 9, the adjusting component comprises a fixed plate 7 fixedly connected to one side of the fixed ruler 9, a first bolt 15 is in threaded connection with the bottom of the fixed plate 7, the top of the first bolt 15 penetrates through the fixed plate 7 and is rotatably connected with the bottom of the movable ruler 8, the height of the movable ruler 8 is adjusted, the zero scale mark of the scale 18 is ensured to be flush with the axillary midline of a patient, a fixed component for fixing the device on a sickbed is arranged on one side of the transverse plate 1, the fixed component comprises a U-shaped plate 19 fixedly connected to one side of the transverse plate 1, a second bolt 20 is in threaded connection with the bottom of the U-shaped plate 19, and the top of the second bolt 20 extends to the inside of the U-shaped plate 19, the measuring device is used for fixing the device on the bedside and avoiding the influence of shaking of a patient on measurement, one side of the movable ruler 8 is provided with scales 18, the circumference of the large gear 2 is twice of the circumference of the small gear 13, and one side of the movable ruler 8 is fixedly connected with a measuring plate 14 and used for ensuring that the position of the pointer 10 is located at the position of the axillary midline of the patient.

The working principle is as follows: when the device is used, the U-shaped plate 19 is fixed at the bedside, the inner wall of the top of the U-shaped plate 19 is abutted against the bed surface, the second bolt 20 is rotated, the second bolt 20 vertically moves upwards to abut against the bottom of the bed, the device is further fixed at the bedside, the hand wheel 4 is rotated, the hand wheel 4 drives the rotating shaft 12 to rotate, the rotating shaft 12 drives the pinion 13 and the gearwheel 2 to rotate, the gearwheel 2 drives the first rack 6 to vertically move upwards, the pinion 13 drives the second rack 11 to vertically move upwards, the first rack 6 drives the chest baffle 5 to vertically move upwards, so that a patient lies on the sickbed, the chest baffle 5 is positioned above the chest of the patient, the hand wheel 4 is reversely rotated until the bottom of the chest baffle 5 is abutted against the chest of the patient, the circumference of the gearwheel 2 is twice of the circumference of the pinion 13, and the moving height of the second rack 11 is half of the moving height of the first rack 6, second rack 11 drives the vertical rebound of pointer 10, the position of pointer 10 is the position of patient axillary midline this moment, rotate first bolt 15, first bolt 15 drives the vertical rebound of movable chi 8, movable chi 8 drives the vertical rebound of measuring board 14, until pointer 10 keeps the level with movable chi 8, the zero scale mark of scale 18 flushes with patient axillary midline this moment, the position of movable chi 8 no longer changes this moment, and then can not cause the error of measurement because of patient's rocking, begin to utilize infusion valve and infusion hose to carry out the monitoring picture to patient's central venous pressure this moment and do not draw out infusion valve and infusion hose, please see improvement material.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.

Claims

1. The device for monitoring and evaluating cardiac function and blood volume according to central venous pressure comprises a transverse plate (1) and is characterized in that a side plate (3) is fixedly connected to the top of the transverse plate (1), a first through hole (16) and a second through hole (17) are formed in the transverse plate (1), a second rack (11) is connected to the inner wall of one side of the first through hole (16) in a sliding manner, a first rack (6) is connected to the inner wall of one side of the second through hole (17) in a sliding manner, a chest baffle (5) is fixedly connected to one side of the first rack (6), a driving assembly used for driving the first rack (6) and the second rack (11) to ascend is arranged on one side of the side plate (3), a fixed ruler (9) is fixedly connected to the top of the transverse plate (1), a pointer (10) is fixedly connected to one side of the second rack (11), and a movable ruler (8) is slidably connected to one side of the fixed ruler (9), one side of fixed chi (9) is provided with the adjusting part who is used for adjusting movable ruler (8) height, one side of diaphragm (1) is provided with fixes the subassembly on the sick bed with the device, one side of movable ruler (8) is provided with scale (18).

2. The device for evaluating the cardiac function and the blood volume according to the central venous pressure monitoring as claimed in claim 1, characterized in that the driving assembly comprises a hand wheel (4) rotatably connected to one side of the side plate (3), a rotating shaft (12) is fixedly connected to one side of the hand wheel (4), one end of the rotating shaft (12) penetrates through the side plate (3), and a pinion (13) meshed with the second rack (11) and a gearwheel (2) meshed with the first rack (6) are respectively and fixedly sleeved on the outer wall of the rotating shaft (12).

3. A device for assessing cardiac function and blood volume based on central venous pressure monitoring according to claim 1, characterized in that the adjustment assembly comprises a fixed plate (7) fixedly attached to one side of the fixed ruler (9), a first bolt (15) is threadedly attached to the bottom of the fixed plate (7), and the top of the first bolt (15) penetrates the fixed plate (7) and is rotatably connected to the bottom of the movable ruler (8).

4. A device for assessing cardiac function and blood volume based on central venous pressure monitoring according to claim 1 wherein the securing assembly comprises a U-shaped plate (19) fixedly attached to one side of the cross plate (1), the bottom of the U-shaped plate (19) having a second bolt (20) threadedly attached thereto, the top of the second bolt (20) extending into the interior of the U-shaped plate (19).

5. A device for assessment of cardiac function and blood volume from central venous pressure monitoring according to claim 2 characterized in that the circumference of the gearwheel (2) is twice the circumference of the pinion (13).

6. A device for assessment of cardiac function and blood volume from central venous pressure monitoring according to claim 1 characterized by a measurement plate (14) fixedly attached to one side of the movable ruler (8).