CN215937347U

CN215937347U - Cvp ruler

Info

Publication number: CN215937347U
Application number: CN202122295432.8U
Authority: CN
Inventors: 刘雨琳
Original assignee: Zhongshan Peoples Hospital
Current assignee: Zhongshan Peoples Hospital
Priority date: 2021-09-22
Filing date: 2021-09-22
Publication date: 2022-03-04
Anticipated expiration: 2031-09-22

Abstract

The utility model discloses an cvp ruler, which comprises a main rod, a positioning rod, a measuring scale and a locking device, wherein the positioning rod is pivoted at the bottom of the main rod, the measuring scale is arranged on the main rod and can move up and down relative to the main rod, and a clamping groove is formed in the surface of the measuring scale. During the use with the locating lever for the mobile jib swing, make the mobile jib be vertical state, the locating lever is the horizontality, then place the locating lever under patient's body, make the mobile jib be located patient's body side, later adjust the dipperstick, adjust the zero point of dipperstick to between patient armpit central line fourth rib, then lock the dipperstick through locking device, later with in the draw-in groove of drain extension pipe card income dipperstick, can be accurate measure patient's central venous pressure, for prior art, measuring data error is littleer, the precision is higher.

Description

Cvp ruler

Technical Field

The utility model relates to the field of medical treatment, in particular to an cvp ruler.

Background

cvp measurement is also called central venous pressure measurement, which refers to the pressure in the right atrium and the thoracic segments of the superior and inferior vena cava. It can judge the comprehensive condition of blood volume, cardiac function and blood vessel tension of patient, and is different from peripheral venous pressure. The latter is affected by the valves in the venous lumen and other mechanical factors, and therefore cannot reflect the blood volume and cardiac function exactly. cvp there are two kinds of measurement, one is measurement by instrument, but most hospital instruments are configured in small quantity, and measurement by ruler is common at present by nurses. Generally, a nurse is used to hold the ruler to place the ruler on the side of the patient clinically, and then a visual method is used to judge whether the zero point of the ruler and the fourth rib of the axillary midline are on the same level.

SUMMERY OF THE UTILITY MODEL

In order to solve the above technical problems, an object of the present invention is to provide an cvp ruler with more accurate measurement.

The technical scheme adopted by the utility model for solving the problems is as follows: an cvp ruler, comprising:

the bottom of the main rod is pivoted with a positioning rod, and the positioning rod can swing in the vertical direction relative to the main rod;

the measuring scale is arranged on the main rod and can move up and down along the main rod, and a clamping groove for fixing the liquid guide extension pipe is formed in the surface of the measuring scale or the surface of the main rod;

and the locking device is arranged on the main rod or the measuring scale and is used for locking and positioning the measuring scale and the main rod.

As a further improvement of the technical scheme, a locking piece is arranged between the main rod and the positioning rod.

As a further improvement of the technical scheme, the locking piece is a screw rod which is screwed on the main rod, the end part of the screw rod is provided with a pressing platform which is used for being pressed on the surface of the positioning rod, and the positioning rod is provided with a through hole which is sleeved on the screw rod.

As a further improvement of the above technical solution, a T-shaped chute is provided on the surface of the main rod along the height direction, and the measuring scale is inserted into the T-shaped chute.

As a further improvement of the technical scheme, the measuring scale is provided with a rack along the height direction, the main rod is provided with a driving gear which is positioned in the T-shaped chute and meshed with the rack, and the surface of the main rod is provided with a handle which is connected with the driving gear and used for driving the driving gear to rotate.

As a further improvement of the above technical solution, the locking device is a bayonet lock arranged at the edge of the driving gear, the end of the bayonet lock is positioned on the surface of the main rod, and the bayonet lock can move relative to the driving gear so as to be clamped at the edge of the main driving gear.

As a further improvement of the above technical scheme, the mobile jib surface is provided with the screw that is located dipperstick one side, locking device includes the clamp plate and sets up in the bolt cylinder of clamp plate bottom, the bolt cylinder spiro union in the screw, the clamp plate is located the front end of dipperstick and overlaps with the dipperstick part on the horizontal direction.

As a further improvement of the technical scheme, the swing amplitude of the positioning rod relative to the main rod is 0-130 degrees.

As a further improvement of the technical scheme, the swing amplitude of the positioning rod relative to the main rod is 0-90 degrees, the positioning rod swings towards the right side of the main rod, and the comprehensive gravity center of the main rod and the measuring scale is located on the left side of the central axis of the positioning rod.

As a further improvement of the technical scheme, the clamping groove is formed in the front face of the main rod.

The utility model has the beneficial effects that: during the use with the locating lever for the mobile jib swing, make the mobile jib be vertical state, the locating lever is the horizontality, then place the locating lever under patient's body, make the mobile jib be located patient's body side, later adjust the dipperstick, adjust the zero point of dipperstick to between patient armpit central line fourth rib, then lock the dipperstick through locking device, later with in the draw-in groove of drain extension pipe card income dipperstick, can be accurate measure patient's central venous pressure, for prior art, measuring data error is littleer, the precision is higher.

Drawings

The utility model is further explained below with reference to the drawing description and the detailed description.

FIG. 1 is a schematic structural view of a preferred embodiment of the present invention;

fig. 2 is a sectional view taken along the line a-a in fig. one.

Detailed Description

Reference will now be made in detail to the present preferred embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to like elements throughout.

In the description of the present invention, it should be understood that the orientation or positional relationship referred to in the description of the orientation, such as the upper, lower, front, rear, left, right, etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

In the description of the present invention, the meaning of a plurality of means is one or more, the meaning of a plurality of means is two or more, and larger, smaller, larger, etc. are understood as excluding the number, and larger, smaller, inner, etc. are understood as including the number. If the first and second are described for the purpose of distinguishing technical features, they are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.

In the description of the present invention, unless otherwise explicitly limited, terms such as arrangement, installation, connection and the like should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above terms in the present invention in combination with the specific contents of the technical solutions.

Referring to fig. 1-2, an cvp ruler, comprising:

the bottom of the main rod 10 is pivoted with a positioning rod 20, and the positioning rod 20 can swing in the vertical direction relative to the main rod 10;

the measuring scale 30 is arranged on the main rod 10 and can move up and down along the main rod 10, a clamping groove 40 for fixing a liquid guide extension pipe is arranged on the surface of the measuring scale 30 or the surface of the main rod 10, and preferably, the clamping groove 40 is arranged on the front surface of the main rod 10;

and the locking device is arranged on the main rod 10 or the measuring scale 30 and is used for locking and positioning the measuring scale 30 and the main rod 10.

During the use with locating lever 20 for mobile jib 10 swing, make mobile jib 10 be vertical state, locating lever 20 is the horizontality, then place locating lever 20 under the patient body, make mobile jib 10 be located patient body side, later adjust dipperstick 30, adjust to patient axillary midline fourth intercostal with the zero point of dipperstick 30, then lock dipperstick 30 through locking device, later with leading in the draw-in groove 40 of liquid extension pipe card income dipperstick 30, the central venous pressure of measuring patient that can be accurate, for prior art, measuring data error is littleer, the precision is higher.

Further optimize, preferably be provided with the retaining member between mobile jib 10 and the locating lever 20, can lock mobile jib 10 and locating lever 20 dead through the retaining member to can be better fix the relative position of mobile jib 10 and locating lever 20.

In the first embodiment, the locking member is a screw rod 60 screwed on the main rod 10, a pressing platform for pressing on the surface of the positioning rod 20 is disposed at the end of the screw rod 60, and a through hole sleeved on the screw rod 60 is disposed on the positioning rod 20. The positioning rod 20 is pivoted on the main rod 10 through the screw rod 60, and the screw rod 60 is driven to be locked into the main rod 10 through rotating the pressing table during use, so that the pressing table presses the surface of the positioning rod 20 to complete fixing.

In the second embodiment, in consideration of accommodating the positioning rod 20, it is preferable that an accommodating groove is formed in a side surface of the main rod 10, a horizontal pivot shaft is disposed in the accommodating groove, an end of the positioning rod 20 is pivoted to the pivot shaft, and the positioning rod 20 can be accommodated in the accommodating groove when swinging relative to the main rod 10, so that the positioning rod 20 can be taken out when in use, and the positioning rod 20 can be accommodated in the accommodating groove when not in use. On this basis, preferably the surface of the pivot shaft is provided with threads, the front surface of the main rod 10 is provided with a rotating handle connected with the pivot shaft, the locking piece is a limiting locking block which is screwed on the pivot shaft and is positioned on one side of the positioning rod 20, and the side surface of the limiting locking block is abutted against the side wall of the accommodating groove. Thereby spacing latch segment is owing to can't take place to rotate with storage tank lateral wall butt, when needs locking mobile jib 10 and locating lever 20, rotatory handle that rotates makes the pin joint axle rotatory to drive spacing latch segment and move on the pin joint axle, and then through spacing latch segment and storage tank inner wall locking locating lever 20.

The retaining member can also be a locating pin, all be provided with on mobile jib 10 and the locating lever 20 with locating pin complex pinhole, through go into mobile jib 10 and locating lever 20 in the pinhole with the locating pin card to accomplish fixedly. The locking member can also be a right-angle clamp or other embodiments.

Preferably, a T-shaped sliding groove is formed in the surface of the main rod 10 along the height direction, and the measuring ruler 30 is inserted into the T-shaped sliding groove.

Preferably, in order to make the height of the measuring ruler 30 adjusted by the user more smoothly and more accurately, the measuring ruler 30 is provided with a rack 31 along the height direction, the main rod 10 is provided with a driving gear 50 which is located in the T-shaped sliding groove and engaged with the rack 31, and the surface of the main rod 10 is provided with a handle 51 which is connected with the driving gear 50 and is used for driving the driving gear 50 to rotate. The driving gear 50 can be driven to rotate by rotating the handle 51, and the driving gear 50 can drive the rack 31 to move up and down due to the incapability of moving, so as to drive the measuring scale 30 to move up and down. In this case, it is preferable that the locking means is a latch 52 provided at the edge of the driving gear 50, an end of the latch 52 is positioned on the surface of the main lever 10, and the latch 52 is movable relative to the driving gear 50 so as to latch the edge of the main driving gear 50.

The measuring scale 30 may move up and down with respect to the main rod 10 in various ways, for example, a sliding groove is formed in the surface of the main rod 10 along the height direction, a sliding rail inserted into the sliding groove is formed in the back of the measuring scale 30, and the measuring scale 30 can move up and down on the main rod 10 conveniently through the sliding groove and the sliding rail. Or the top of the main rod 10 is provided with a vertical hole, the measuring ruler 30 is inserted into the vertical hole, and the surface of the main rod 10 is provided with a transparent plate so that a user can observe data on the measuring ruler 30 in the vertical hole outside the main rod 10.

The locking device may also be provided with other ways, for example, a screw hole located on one side of the measuring scale 30 is provided on the surface of the main rod 10, the locking device includes a pressing plate and a bolt cylinder arranged at the bottom of the pressing plate, the bolt cylinder is screwed into the screw hole, and the pressing plate is located at the front end of the measuring scale 30 and partially overlaps with the measuring scale 30 in the horizontal direction. When needs locking dipperstick 30, rotatory clamp plate makes the clamp plate pressfitting in dipperstick 30 surface to fix dipperstick 30.

Preferably, the swing amplitude of the positioning rod 20 relative to the main rod 10 is 0-130 degrees. The swing amplitude of the positioning rod 20 relative to the main rod 10 is further optimized to be 0-90 degrees, on the basis, the positioning rod 20 preferably swings towards the right side of the main rod 10, and the comprehensive gravity center of the main rod 10 and the measuring scale 30 is located on the left side of the central axis of the positioning rod 20. Therefore, when the positioning rod 20 is horizontally placed under the body of a patient and the positioning rod 20 and the main rod 10 are completely opened, the main rod 10 can automatically keep a vertical state under the action of gravity, and the use is more convenient.

The above description is only a preferred embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications and equivalents of the technical scope of the present invention, which can be directly or indirectly applied to other related technical fields without departing from the spirit of the present invention, are intended to be included in the scope of the present invention.

Claims

1. An cvp ruler, comprising:

the bottom of the main rod (10) is pivoted with a positioning rod (20), and the positioning rod (20) can swing in the vertical direction relative to the main rod (10);

the measuring scale (30) is arranged on the main rod (10) and can move up and down along the main rod (10), and a clamping groove (40) for fixing the liquid guide extension pipe is arranged on the surface of the measuring scale (30) or the main rod (10);

the locking device is arranged on the main rod (10) or the measuring scale (30) and used for locking and positioning the measuring scale (30) and the main rod (10).

2. An cvp ruler as claimed in claim 1, wherein:

a locking piece is arranged between the main rod (10) and the positioning rod (20).

3. An cvp ruler as claimed in claim 2, wherein:

the retaining member is a screw rod (60) screwed on the main rod (10), the end part of the screw rod (60) is provided with a pressing platform pressed on the surface of the positioning rod (20), and the positioning rod (20) is provided with a through hole sleeved on the screw rod (60).

4. An cvp ruler as claimed in claim 1, wherein:

the measuring scale is characterized in that a T-shaped sliding groove is formed in the surface of the main rod (10) in the height direction, and the measuring scale (30) is inserted into the T-shaped sliding groove.

5. An cvp ruler as claimed in claim 4, wherein:

the measuring scale (30) is provided with a rack (31) along the height direction, a driving gear (50) which is positioned in the T-shaped sliding groove and meshed with the rack (31) is arranged on the main rod (10), and a handle (51) which is connected with the driving gear (50) and used for driving the driving gear (50) to rotate is arranged on the surface of the main rod (10).

6. An cvp ruler as claimed in claim 5, wherein:

the locking device is a bayonet (52) arranged at the edge of the driving gear (50), the end part of the bayonet (52) is positioned on the surface of the main rod (10), and the bayonet (52) can move relative to the driving gear (50) so as to be clamped at the edge of the main driving gear (50).

7. An cvp ruler as claimed in claim 1, wherein:

the surface of the main rod (10) is provided with a screw hole located on one side of the measuring scale (30), the locking device comprises a pressing plate and a bolt cylinder arranged at the bottom of the pressing plate, the bolt cylinder is screwed in the screw hole, and the pressing plate is located at the front end of the measuring scale (30) and partially overlapped with the measuring scale (30) in the horizontal direction.

8. An cvp ruler as claimed in claim 1, 2, 3, 4, 5, 6 or 7 wherein:

the swing amplitude of the positioning rod (20) relative to the main rod (10) is 0-130 degrees.

9. An cvp ruler as claimed in claim 8, wherein:

the locating lever (20) swings towards the right side of the main lever (10), and the comprehensive gravity center of the main lever (10) and the measuring scale (30) is located on the left side of the central axis of the locating lever (20).

10. An cvp ruler as claimed in claim 1, wherein:

the clamping groove (40) is arranged on the front surface of the main rod (10).