CN217218995U

CN217218995U - Zero calibration fixer of invasive pressure sensor

Info

Publication number: CN217218995U
Application number: CN202221096819.9U
Authority: CN
Inventors: 黄燕霞; 曾其运
Original assignee: Fifth Affiliated Hospital of Sun Yat Sen University
Current assignee: Fifth Affiliated Hospital of Sun Yat Sen University
Priority date: 2022-05-09
Filing date: 2022-05-09
Publication date: 2022-08-19
Anticipated expiration: 2032-05-09

Abstract

The application discloses there is zero fixer of wound pressure sensor school, include: top horizontal pole, bottom horizontal pole, grip block and vertical pole. The top cross bar and the bottom cross bar can be arranged on a side plate of the sickbed, the rear ends of the top cross bar and the bottom cross bar are connected with the side plate, and the top cross bar and the bottom cross bar are horizontally arranged at intervals; the clamping block is slidably clamped between the top cross rod and the bottom cross rod along the horizontal direction; the vertical rod is slidably arranged on the clamping block along the vertical direction, and a clamp is arranged on the vertical rod. The invasive pressure sensor can be clamped on the longitudinal rod through the clamp; and the position of the invasive pressure sensor can be adjusted in the vertical direction and the horizontal direction for zero calibration according to the position of a patient on the sickbed through the matching of the longitudinal rods, the top cross rods and the bottom cross rods, so that the risk of pipeline infection caused by the direct placement of the sensor beside the patient and the risk of skin pressure injury caused by the pressure of the skin pressed under the body of the patient are reduced.

Description

Zero calibration fixer of invasive pressure sensor

Technical Field

The application relates to the technical field of invasive monitoring sensor fixing devices such as CVP monitoring devices, in particular to a zero calibration fixer for an invasive pressure sensor.

Background

Central Venous Pressure (CVP) refers to the pressure at which the patient's superior and inferior vena cava enter the right atrium. Invasive pressure sensors are used during CVP monitoring of patients. In CVP monitoring, the existing invasive pressure sensors are generally placed directly on the patient bed and are easily pressed under the patient, which causes the skin pressure to be damaged.

SUMMERY OF THE UTILITY MODEL

In view of this, the present application aims to provide a zero calibration fixture for an invasive pressure sensor, which is used to solve the problem that the existing sensor lacks a fixture and is directly placed beside a patient during CVP monitoring, thereby increasing the risk of infection of the conduit and the risk of skin pressure injury under the body of the patient.

In order to achieve the above technical object, the present application provides an invasive pressure sensor zero calibration fixture, comprising: the clamping device comprises a top cross rod, a bottom cross rod, a clamping block and a longitudinal rod;

the top cross bar and the bottom cross bar are horizontally arranged at intervals;

the clamping block is slidably clamped between the top cross rod and the bottom cross rod along the horizontal direction;

the vertical rod is slidably arranged on the clamping block along the vertical direction, and a clamp used for clamping the sensor is arranged on the vertical rod.

Furthermore, a groove is formed in the rear end of the top cross rod;

the groove penetrates through the bottom edge of the top cross rod;

the bottom cross bar and the top cross bar are consistent in structure and are symmetrically arranged;

the rear end of the clamping block is provided with a clamping block extending towards the upper side and the lower side;

the fixture block is clamped in the groove.

Further, both ends of the groove in the horizontal direction are closed.

Furthermore, an I-shaped groove is formed in the front end of the clamping block in the vertical direction;

the rear end of the longitudinal rod is provided with an I-shaped rail;

the I-shaped rail can be clamped into the I-shaped groove in a sliding mode.

Furthermore, a positioning hole communicated with the I-shaped groove is formed in the side end of the clamping block;

the positioning hole is used for penetrating and fixing a tightening bolt of the longitudinal rod.

Further, the clamp is in an upward claw shape.

Further, the clamp comprises a fixing rod and a hook rod;

the fixing rod is arranged on the longitudinal rod;

the hook rod is sleeved on the fixed rod in a sliding manner along the front-back direction and is connected with the fixed rod through an elastic piece.

Further, a strip-shaped groove with the length direction in the vertical direction is formed in the longitudinal rod;

the fixture penetrates through the strip-shaped groove and is arranged on the strip-shaped groove, and the rear end of the fixture is connected with a tightening nut.

Furthermore, the vertical rod is provided with scale marks.

Furthermore, scale marks are arranged on the top cross rod and/or the bottom cross rod.

It can be seen from above technical scheme that this application provides an invasive pressure sensor zero calibration fixer, includes: top horizontal pole, bottom horizontal pole, grip block and vertical pole. The top cross bar and the bottom cross bar can be arranged on a side plate of the sickbed, the rear ends of the top cross bar and the bottom cross bar are connected with the side plate, and the top cross bar and the bottom cross bar are horizontally arranged at intervals; the clamping block is slidably clamped between the top cross rod and the bottom cross rod along the horizontal direction; the vertical rod is arranged on the clamping block in a slidable mode along the vertical direction, and a clamp is arranged on the vertical rod. The sensor can be clamped on the longitudinal rod through the clamp; and can be through the cooperation of vertical pole, top horizontal pole and bottom horizontal pole, according to the position of patient on the sick bed, in vertical direction and horizontal direction adjustment have an invasive pressure sensor's position, reduce the risk that invasive pressure sensor directly places in patient's side and be damaged by the pressure.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the description below are only some embodiments of the present application, and for those skilled in the art, other drawings can be obtained according to the drawings without inventive labor.

FIG. 1 is a general schematic view of an invasive pressure sensor zero calibration fixture provided in an embodiment of the present application;

FIG. 2 is a schematic overall view of a longitudinal rail of an invasive pressure sensor zero calibration fixture according to an embodiment of the present disclosure, with the longitudinal rail removed;

in the figure: 10. a top cross bar; 20. a bottom cross bar; 30. a clamping block; 31. an I-shaped groove; 32. positioning holes; 33. a clamping block; 40. a longitudinal bar; 41. an I-shaped rail; 42. a strip-shaped groove; 50. a clamp; 51. fixing the rod; 52. a hook rod; 60. and (6) a groove.

Detailed Description

The technical solutions of the embodiments of the present application will be described clearly and completely with reference to the accompanying drawings, and it is to be understood that the described embodiments are only some embodiments of the present application, and not all 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 scope of protection claimed herein.

In the description of the embodiments of the present application, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience in describing the embodiments of the present application and simplifying the description, but do not indicate or imply that the referred devices or elements must have specific orientations, be configured in specific orientations, and operate, and thus, should not be construed as limiting the embodiments of the present application. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the embodiments of the present application, it should be noted that the terms "mounted," "connected," and "connected" are used broadly and are defined as, for example, a fixed connection, an exchangeable connection, an integrated connection, a mechanical connection, an electrical connection, a direct connection, an indirect connection through an intermediate medium, and a communication between two elements, unless otherwise explicitly stated or limited. Specific meanings of the above terms in the embodiments of the present application can be understood in specific cases by those of ordinary skill in the art.

The embodiment of the application discloses there is zero calibration fixer of wound pressure sensor.

Referring to fig. 1, in an embodiment of the present application, a zero calibration fixture for an invasive pressure sensor includes: top crossbar 10, bottom crossbar 20, clamp block 30, and side rails 40.

The top cross bar 10 and the bottom cross bar 20 are horizontally arranged at intervals; the rear ends of the top cross bar 10 and the bottom cross bar 20 can be fixedly mounted on the side plates of the hospital bed in a glue or bolt mode. When mounting, the clamping block 30 is clamped between the top rail 10 and the bottom rail 20, and the clamping block 30 is slidably disposed in a horizontal direction. The vertical rod 40 is slidably disposed on the clamping block 30 along a vertical direction, and a clamp 50 for clamping the sensor is disposed on the vertical rod 40.

The zero calibration fixer of the invasive pressure sensor provided by the scheme can fix the sensor on the longitudinal rod 40 through the clamp 50, so that the invasive pressure sensor is not easily pressed by a patient to cause skin pressure damage when carrying out CVP monitoring on the patient, and the risk of pipeline infection and the risk of skin pressure damage under the body of the patient are reduced. Moreover, the vertical rod 40 which can slide along the vertical direction and the clamping block 30 which can slide along the horizontal direction can be adapted to the position of the right atrium position adjusting sensor of the patient for zero calibration, thereby improving the convenience in use.

The above is the first embodiment provided in the present application, and the following is the second embodiment provided in the present application, specifically referring to fig. 1 and fig. 2.

On the basis of the first embodiment, in the zero calibration fixture of the invasive pressure sensor provided in this embodiment, the rear end of the top cross bar 10 is provided with a groove 60; the groove 60 runs through the bottom edge of the top rail 10 in the vertical direction; the bottom rail 20 is identical in construction to the top rail 10 and is symmetrically disposed. Specifically, the rear end of the bottom rail 20 is also provided with a groove 60, and the groove 60 extends through the top edge of the bottom rail 20 in the vertical direction.

A latch 33 extending upward and downward is provided at the rear end of the holding block 30; the latch 33 on the upper and lower sides are respectively latched in the grooves 60 of the top rail 10 and the bottom rail 20.

Through the grooves 60 oppositely arranged on the top cross bar 10 and the bottom cross bar 20, the clamping block 30 can be fixed in the front-back direction and the vertical direction after the clamping block 33 is placed, and the stability after the invasive pressure sensor is installed is improved. Wherein, a thread groove can be arranged on the top cross bar 10 or the bottom cross bar 20 along the horizontal direction for a screw rod is arranged at the position corresponding to the clamping block 30 so as to fix the clamping block 30.

It should be noted that, the two ends of the groove 60 in the horizontal direction are closed, so as to prevent the clamping block 30 from sliding out of the top rail 10 or the bottom rail 20.

As a further improvement, in the present embodiment, the front end of the clamping block 30 is provided with an i-shaped groove 31 in the vertical direction; the rear end of the longitudinal rod 40 is provided with an I-shaped rail 41; the i-rail 41 can be slidably snapped into the i-groove 31.

Through the matching of the I-shaped groove 31 and the I-shaped rail 41, the longitudinal rod 40 can slide along the vertical direction and can be fixed by the clamping block 30 along the front-back direction and the horizontal direction, and the stability of the sensor after installation can be further improved.

As a further improvement, the side end of the clamping block 30 is provided with a positioning hole 32 communicated with the I-shaped groove 31; the positioning hole 32 is used for passing a tightening bolt for fixing the longitudinal bar 40, so that the longitudinal bar 40 can be fixed by tightening the bolt after the longitudinal bar 40 slides to a proper position.

Further, the clamp 50 is in the shape of an upward claw, so that the sensor can be conveniently placed above the clamp 50 and fixed.

In the present embodiment, the fixture 50 includes a fixing rod 51 and a hook rod 52; the fixing rod 51 is arranged on the vertical rod 40; the hook rod 52 is slidably sleeved on the fixing rod 51 along the front-back direction and is connected with the fixing rod 51 through the elastic piece, so that when the sensor is installed, the hook rod 52 can be pulled to move towards the front end, and after the sensor is placed, the sensor is installed on the clamp 50 more stably through the elastic force of the elastic piece.

Further, a strip-shaped groove 42 with a vertical length direction is arranged on the longitudinal rod 40; the clamp 50 is arranged on the strip-shaped groove 42 through the strip-shaped groove 42, and a tightening nut is connected to the rear end of the clamp 50.

Specifically, the rear end of the clamp 50 may be provided with a screw, and the screw passes through the strip-shaped groove 42, so that after the longitudinal bar 40 and the clamping block 30 are fixed, the clamp 50 may be finely adjusted in position along the strip-shaped groove 42, and after the adjustment, the clamp is fastened to the screw by tightening the nut.

Furthermore, the vertical rod 40, the top cross rod 10 and the bottom cross rod 20 may be provided with scale marks, so as to provide a reference for adjusting zero calibration of the invasive pressure sensor.

The zero calibration fixture for the invasive pressure sensor provided by the embodiment can clamp the invasive pressure sensors with different sizes through the hook rod 52 on the clamp 50, and can adjust the position of the invasive pressure sensor to be matched with the right atrium of the patient according to the scale marks on the vertical rod 40 and the top cross rod 10 or the bottom cross rod 20; through the matching of the fixture block 33, the groove 60, the I-shaped groove 31 and the I-shaped rail 41, the stability of the invasive pressure sensor after installation can be improved, and the monitoring effect is ensured.

Although the present invention has been described in detail with reference to the examples, it will be apparent to those skilled in the art that various changes may be made and equivalents may be substituted for elements thereof without departing from the scope of the invention.

Claims

1. An invasive pressure sensor zero calibration fixture, comprising: the clamping device comprises a top cross rod, a bottom cross rod, a clamping block and a longitudinal rod;

2. The invasive pressure sensor zero calibration fixture according to claim 1, wherein the rear end of the top cross bar is provided with a groove;

the groove penetrates through the bottom edge of the top cross bar;

the clamping block is clamped in the groove.

3. The invasive pressure sensor zero calibration fixture according to claim 2, wherein the groove is closed at both ends in the horizontal direction.

4. The zero calibration fixture of invasive pressure sensor according to claim 1, wherein the front end of the clamping block is provided with an I-shaped slot along the vertical direction;

the rear end of the longitudinal rod is provided with an I-shaped rail;

the I-shaped rail can be clamped into the I-shaped groove in a sliding mode.

5. The zero calibration fixture of invasive pressure sensor according to claim 4, characterized in that the side end of the clamping block is provided with a positioning hole communicated with the I-shaped groove;

6. The invasive pressure sensor zero calibration fixture according to claim 1, wherein the clamp is in the shape of an upward pointing claw.

7. The invasive pressure sensor zero calibration fixture according to claim 6, wherein the fixture comprises a fixing rod and a hooking rod;

the fixing rod is arranged on the longitudinal rod;

8. The zero calibration fixture of an invasive pressure sensor according to claim 1, wherein the longitudinal bar is provided with a strip-shaped groove with a vertical length direction;

9. The invasive pressure sensor zero calibration fixture according to claim 1, wherein the longitudinal rod is provided with graduation marks.

10. The invasive pressure sensor zero calibration fixture according to claim 1 or 9, wherein the top cross bar and/or the bottom cross bar is provided with graduation marks.