CN213640845U

CN213640845U - Central venous pressure measuring scale

Info

Publication number: CN213640845U
Application number: CN202022158291.0U
Authority: CN
Inventors: 言瑞雪; 黄彩丽; 陆青江
Original assignee: First Peoples Hospital of Nanning
Current assignee: First Peoples Hospital of Nanning
Priority date: 2020-09-27
Filing date: 2020-09-27
Publication date: 2021-07-09
Anticipated expiration: 2030-09-27

Abstract

A central venous pressure measuring ruler, including a support, a first snap, a second snap, and a telescopic measuring ruler with a scale, the telescopic measuring ruler includes a main measuring rod, and a lower end retractable and nested inside the main measuring rod. The first auxiliary measuring rod and the second auxiliary measuring rod whose lower end can be telescopically nested inside the first auxiliary measuring rod; Below, the second buckle is slidably sleeved on the second secondary measuring rod. The use of telescopic measuring ruler can not only adjust the height of the telescopic measuring ruler according to the height of the liquid level of the infusion tube, and has a wide range of applications; but also can be retracted and placed, reducing the placement space and improving the service life of the central venous pressure measuring ruler. Using the first buckle and the second buckle, the infusion tube is clamped on the side of the telescopic measuring ruler with the scale to ensure that the infusion tube between the first buckle and the second buckle is in a straight line, which is convenient for measurement. Improve measurement accuracy.

Description

Central venous pressure measuring scale

Technical Field

The utility model relates to a dipperstick particularly, relates to a central venous pressure dipperstick.

Background

Central Venous Pressure (CVP) is the Pressure in the proximal great veins, such as the right atrium and the thoracic sections of the superior and inferior vena cava. CVP can judge the comprehensive condition of blood volume, cardiac function and vascular tension of patients, and is commonly used for measuring and monitoring the peripheral circulation and the functional state of a cardiac pump clinically. By continuously observing the change of the CVP value, the method has important guiding significance for treating shock and other conditions.

At present, the disposable sterile infusion tube is usually used by clinical medical personnel under the same atmospheric pressure, the crossing point of the axillary midline and the fourth rib is taken as a zero point, and the height of the liquid level in the disposable sterile infusion tube is measured by a measuring tape. But the disposable sterile infusion tube has softer texture, is very easy to be curled and deformed when in use, is not easy to fix the infusion tube for measurement, and has low measurement precision.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that a central venous pressure dipperstick for measuring central venous pressure is used for specially is provided.

In order to solve the technical problem, the utility model adopts the following technical scheme:

the central venous pressure measuring scale comprises a supporting piece, a first buckle, a second buckle and a telescopic measuring scale with a graduated scale, wherein the telescopic measuring scale comprises a main measuring rod, a first auxiliary measuring rod with the lower end telescopically nested in the main measuring rod and a second auxiliary measuring rod with the lower end telescopically nested in the first auxiliary measuring rod; the main measuring stick bottom is installed on support piece, and first buckle is installed on main measuring stick and is located the scale below, and the vice measuring stick of second is located to second buckle slidable cover.

As a further improvement of the above technical solution:

the support piece is provided with a groove for accommodating the telescopic measuring scale, the bottom end of the main measuring rod is inserted into the groove, a sliding block is fixed at the insertion end, a guide rail matched with the sliding block is arranged on the groove wall of the groove along the groove direction, and the sliding block is rotatably embedded in the guide rail; the supporting piece is in threaded connection with a screw rod, the main measuring rod is provided with a thread groove matched with the screw rod, and when the main measuring rod rotates to a position perpendicular to the bottom surface of the supporting piece, one end of the screw rod can extend into the groove and is clamped in the thread groove. The main measuring rod rotates to a position vertical to the bottom surface of the supporting part and then translates along the guide rail, and the main measuring rod leans against the groove wall of the groove. The main measuring rod is perpendicular to the bottom surface of the supporting piece, and measuring accuracy is improved. The main measuring rod leans against the groove wall of the groove, and the stability of the main measuring rod perpendicular to the bottom surface of the supporting piece is improved.

Furthermore, the measuring device also comprises a first bolt and a second bolt, wherein the outer wall of the main measuring rod is provided with a first threaded hole matched with the first bolt, and after the first bolt is screwed into the first threaded hole, the end head of the first bolt props against the first auxiliary measuring rod; and a second threaded hole matched with the second bolt is formed in the outer wall of the first auxiliary measuring rod, and after the second bolt is screwed into the second threaded hole, the end of the second bolt props against the second auxiliary measuring rod. The first auxiliary measuring rod and the second auxiliary measuring rod are fixed.

Furthermore, the first buckle comprises a first fixing arm and a first clamping arm, one end of the first fixing arm is hinged with one end of the first clamping arm, and the other end of the first fixing arm is detachably connected with the other end of the first clamping arm through a locking device; the first fixed arm is fixedly connected with the main measuring rod. The second buckle comprises a second fixing arm and a second clamping arm, one end of the second fixing arm is hinged with one end of the second clamping arm, and the other end of the second fixing arm is detachably connected with the other end of the second clamping arm through a locking device; the second fixed arm rigid coupling has the adjustable ring, and adjustable ring slidable cover is located on the vice measuring stick of second, and adjustable ring threaded connection has the third bolt, and after the rotation third bolt, the third bolt end withstands on the vice measuring stick of second. The locking device comprises a magnetic suction part and an adsorption part, and the magnetic suction part is sucked with the adsorption part. The first buckle and the second buckle can be conveniently opened and closed, so that the infusion tube can be quickly fixed and detached.

Furthermore, the first fixing arm and the first clamping arm are both of semicircular structures, the inner sides of the openings are both provided with first cushion layers made of flexible materials, and the first cushion layers are of semicircular structures matched with the first fixing arm or the first clamping arm; the second fixing arm and the second clamping arm are both of semicircular structures, a second cushion layer made of flexible materials is arranged on the inner side of the opening, and the second cushion layer is of a semicircular structure matched with the second fixing arm or the second clamping arm. The first cushion layer and the second cushion layer both play a role in protecting the infusion tube, so that the extrusion to the infusion tube is reduced, and the influence on the liquid flow in the infusion tube is avoided, thereby influencing the measurement result.

Furthermore, the cross section of the telescopic measuring scale is square. Avoid telescopic dipperstick to take place the rotation when flexible, guarantee the stability of second buckle, improve measurement accuracy.

Furthermore, the distance between the dot of the first fixed arm and the side of the main measuring rod provided with the graduated scale is equal to the distance between the dot of the second fixed arm and the side of the main measuring rod provided with the graduated scale. The infusion tube between the first buckle and the second buckle is ensured to be vertical to the bottom surface of the support piece, and the measurement precision is improved.

And a rotating handle is arranged at one end of the screw rod, which is far away from the main measuring rod, and the rotating handle is blocked outside the supporting piece. The screw rod is convenient to rotate.

Compared with the prior art, the utility model has the advantages that:

1. by adopting the telescopic measuring scale, the height of the telescopic measuring scale can be adjusted according to the height of the liquid level of the infusion tube, and the application range is wide; and the retractable placement reduces the placement space and prolongs the service life of the central venous pressure measuring scale.

2. Utilize first buckle and second buckle, establish the transfer line card in the one side that telescopic dipperstick was equipped with the scale, ensure that the transfer line between first buckle and the second buckle is a straight line, be convenient for measure, improve measurement accuracy.

Drawings

Fig. 1 is a schematic structural diagram of a central venous pressure measuring ruler.

Fig. 2 is a partial cross-sectional view of a central venous pressure measurement ruler.

Fig. 3 is a schematic structural diagram of the first buckle.

Fig. 4 is a schematic structural view of the second buckle.

Description of reference numerals:

1. a support member; 2. a first buckle; 3. a telescopic measuring scale; 4. a second buckle; 5. a cover plate; 6. a screw; 7. a locking device; 11. a groove; 12. a guide rail; 21. a first fixed arm; 22. a first clamp arm; 23. a first cushion layer; 31. a main measuring rod; 32. a first secondary measuring rod; 33. a second auxiliary measuring rod; 34. a slider; 35. a first bolt; 36. a second bolt; 41. a second fixed arm; 42. a second clamp arm; 43. a second cushion layer; 44. an adjusting ring; 45. a third bolt; 61. rotating the handle; 71. a magnetic part; 72. an adsorption part.

Detailed Description

In order to make the aforementioned objects, features and advantages of the present invention more clearly understood, the following detailed description of the present invention, taken in conjunction with the accompanying drawings and the detailed description, is given in a non-limiting manner.

As shown in fig. 1 to 4, the central venous pressure measuring scale of the present embodiment includes a support member 1, a first buckle 2, a second buckle 4 and a telescopic measuring scale 3 with a graduated scale, wherein the telescopic measuring scale 3 includes a main measuring rod 31, a first auxiliary measuring rod 32 with a lower end telescopically nested inside the main measuring rod 31, and a second auxiliary measuring rod 33 with a lower end telescopically nested inside the first auxiliary measuring rod 32; the bottom end of the main measuring rod 31 is installed on the supporting piece 1, the first buckle 2 is installed on the main measuring rod 31 and located below the graduated scale, and the second buckle 4 is slidably sleeved on the second auxiliary measuring rod 33. The support member 1 is provided with a groove 11 for accommodating the telescopic measuring scale 3, the bottom end of the main measuring rod 31 is inserted into the groove 11, a sliding block 34 is fixed at the inserted end, a guide rail 12 matched with the sliding block 34 is arranged on the groove wall of the groove 11 along the groove direction, and the sliding block 34 is rotatably embedded in the guide rail 12; support piece 1 threaded connection has screw rod 6, and main measuring stick 31 is equipped with the thread groove that matches with screw rod 6, and when main measuring stick 31 rotated to and support piece 1 bottom surface vertical position, screw rod 6 one end can stretch into in the recess 11 and block in the thread groove. The measuring device further comprises a first bolt 35 and a second bolt 36, a first threaded hole matched with the first bolt 35 is formed in the outer wall of the main measuring rod 31, and after the first bolt 35 is screwed into the first threaded hole, the end of the first bolt 35 abuts against the first auxiliary measuring rod 32; and a second threaded hole matched with the second bolt 36 is formed in the outer wall of the first auxiliary measuring rod 32, and after the second bolt 36 is screwed into the second threaded hole, the end of the second bolt 36 props against the second auxiliary measuring rod 33. The end of the screw rod 6 far away from the main measuring rod 31 is provided with a rotating handle 61, and the rotating handle 61 is blocked outside the support 1. Support piece 1 is the receiver, 1 top of support piece is equipped with the apron 5 that covers

recess

11, and 5 one sides of apron are articulated with support piece 1, and the opposite side passes through the hasp can dismantle with support piece 1 and be connected. Accomodate telescopic dipperstick 3 to recess 11 after, close recess 11 opening, protection telescopic dipperstick 3 through apron 5.

The first buckle 2 comprises a first fixing arm 21 and a first clamping arm 22, one end of the first fixing arm 21 is hinged with one end of the first clamping arm 22, and the other end of the first fixing arm 21 is detachably connected with the other end of the first clamping arm 22 through a locking device 7; the first fixing arm 21 is fixedly connected to the main measuring stick 31. The second buckle 4 comprises a second fixing arm 41 and a second clamping arm 42, one end of the second fixing arm 41 is hinged with one end of the second clamping arm 42, and the other end of the second fixing arm 41 is detachably connected with the other end of the second clamping arm 42 through a locking device 7; the second fixed arm 41 is fixedly connected with an adjusting ring 44, the adjusting ring 44 is slidably sleeved on the second auxiliary measuring rod 33, the adjusting ring 44 is in threaded connection with a third bolt 45, and after the third bolt 45 is rotated, the end of the third bolt 45 abuts against the second auxiliary measuring rod 33. The first fixing arm 21 and the first clamping arm 22 are both of a semicircular structure, the inner sides of the openings are both provided with a first cushion layer 23 made of flexible materials, and the first cushion layer 23 is of a semicircular structure matched with the first fixing arm 21 or the first clamping arm 22; second fixed arm 41 and second centre gripping arm 42 are semi-circular structure and the opening inboard all is equipped with the second bed course 43 of being made by flexible material, and second bed course 43 is the semi-circular structure of being fit for with second fixed arm 41 or second centre gripping arm 42. The locking device 7 comprises a magnetic part 71 and an absorption part 72, and the magnetic part 71 is absorbed with the absorption part 72. The cross section of the telescopic measuring scale 3 is square. The distance from the dot of the first fixing arm 21 to the side of the main measuring stick 31 is equal to the distance from the dot of the second fixing arm 41 to the side of the main measuring stick 31. First fixed arm 21 and magnetism portion 71 fixed connection, first centre gripping arm 22 and absorption portion 72 fixed connection, magnetism portion 71 and absorption portion 72 looks actuation realize first fixed arm 21 and the dismantled connection of first centre gripping arm 22. The second fixing arm 41 is fixedly connected with the magnetic part 71, the second clamping arm 42 is fixedly connected with the adsorption part 72, and the magnetic part 71 and the adsorption part 72 are attracted to each other to realize detachable connection of the second fixing arm 41 and the second clamping arm 42.

For the use of this example, reference is made to the following steps:

when in use, firstly, the device is placed on a horizontal plane, the main measuring rod 31 rotates to a position vertical to the bottom surface of the support member 1 and then translates along the guide rail 12, and the main measuring rod 31 leans against the groove wall of the groove 11. Ensuring that the main measuring rod 31 is perpendicular to the bottom surface of the support 1. Next, the screw 6 is rotated. Until one end of the screw rod 6 extends into the groove 11 and is clamped in the thread groove. Thirdly, the height of the liquid level of the infusion tube for measuring the venous pressure is visually measured, and the length of the telescopic measuring scale 3 is adjusted. Then, the infusion tube is straightened, and the infusion tube is clamped on the surface of the telescopic measuring scale 3, on which the graduated scale is arranged, by utilizing the first buckle and the second buckle. The liquid level of the infusion tube is parallel to the horizontal plane. And finally, reading a scale indicating value on the measuring scale when the liquid level in the infusion tube is stable, and recording data, namely finishing the measurement of the central venous pressure.

Claims

1. The central venous pressure dipperstick, its characterized in that: the telescopic measuring scale comprises a supporting piece (1), a first buckle (2), a second buckle (4) and a telescopic measuring scale (3) with a graduated scale, wherein the telescopic measuring scale (3) comprises a main measuring rod (31), a first auxiliary measuring rod (32) with the lower end telescopically nested in the main measuring rod (31) and a second auxiliary measuring rod (33) with the lower end telescopically nested in the first auxiliary measuring rod (32); the bottom end of the main measuring rod (31) is installed on the supporting piece (1), the first buckle (2) is installed on the main measuring rod (31) and located below the graduated scale, and the second buckle (4) is slidably sleeved on the second auxiliary measuring rod (33).

2. The central venous pressure measurement ruler of claim 1, wherein: the support piece (1) is provided with a groove (11) for accommodating the telescopic measuring scale (3), the bottom end of the main measuring rod (31) is inserted into the groove (11), a sliding block (34) is fixed at the inserting end, a guide rail (12) matched with the sliding block (34) is arranged on the groove wall of the groove (11) along the groove direction, and the sliding block (34) is rotatably embedded into the guide rail (12); support piece (1) threaded connection has screw rod (6), and main measuring stick (31) are equipped with the thread groove that matches with screw rod (6), and when main measuring stick (31) rotated to the bottom surface vertical position with support piece (1), screw rod (6) one end can stretch into in recess (11) and block in the thread groove.

3. The central venous pressure measurement ruler of claim 2, wherein: the measuring device also comprises a first bolt (35) and a second bolt (36), a first threaded hole matched with the first bolt (35) is formed in the outer wall of the main measuring rod (31), and after the first bolt (35) is screwed into the first threaded hole, the end head of the first bolt (35) props against the first auxiliary measuring rod (32); and a second threaded hole matched with the second bolt (36) is formed in the outer wall of the first auxiliary measuring rod (32), and after the second bolt (36) is screwed into the second threaded hole, the end head of the second bolt (36) props against the second auxiliary measuring rod (33).

4. The central venous pressure measurement ruler of claim 3, wherein: the first buckle (2) comprises a first fixing arm (21) and a first clamping arm (22), one end of the first fixing arm (21) is hinged with one end of the first clamping arm (22), and the other end of the first fixing arm (21) is detachably connected with the other end of the first clamping arm (22) through a locking device (7); the first fixing arm (21) is fixedly connected with the main measuring rod (31).

5. The central venous pressure measurement ruler of claim 4, wherein: the second buckle (4) comprises a second fixing arm (41) and a second clamping arm (42), one end of the second fixing arm (41) is hinged with one end of the second clamping arm (42), and the other end of the second fixing arm (41) is detachably connected with the other end of the second clamping arm (42) through a locking device (7); the second fixed arm (41) is fixedly connected with an adjusting ring (44), the adjusting ring (44) is slidably sleeved on the second auxiliary measuring rod (33), the adjusting ring (44) is in threaded connection with a third bolt (45), and after the third bolt (45) is rotated, the end of the third bolt (45) abuts against the second auxiliary measuring rod (33).

6. The central venous pressure measurement ruler of claim 5, wherein: the locking device (7) comprises a magnetic suction part (71) and an adsorption part (72), and the magnetic suction part (71) and the adsorption part (72) are sucked.

7. The central venous pressure measurement ruler of claim 6, wherein: the first fixing arm (21) and the first clamping arm (22) are both of semicircular structures, the inner sides of the openings are both provided with first cushion layers (23) made of flexible materials, and the first cushion layers (23) are semicircular structures matched with the first fixing arm (21) or the first clamping arm (22); the second fixing arm (41) and the second clamping arm (42) are both of semicircular structures, the inner sides of the openings are both provided with second cushion layers (43) made of flexible materials, and the second cushion layers (43) are semicircular structures matched with the second fixing arm (41) or the second clamping arm (42).

8. The central venous pressure measurement ruler of claim 7, wherein: the cross section of the telescopic measuring scale (3) is square.

9. The central venous pressure measurement ruler of claim 8, wherein: the distance between the dot of the first fixing arm (21) and the side, provided with the scale, of the main measuring rod (31) is equal to the distance between the dot of the second fixing arm (41) and the side, provided with the scale, of the main measuring rod (31).

10. The central venous pressure measurement ruler of claim 9, wherein: and a rotating handle (61) is arranged at one end of the screw rod (6) far away from the main measuring rod (31), and the rotating handle (61) is blocked outside the support piece (1).