CN216317574U

CN216317574U - Central venous pressure measuring and fixing device

Info

Publication number: CN216317574U
Application number: CN202122623459.5U
Authority: CN
Inventors: 于�玲
Original assignee: Liaoning Cancer Hospital and Institute
Current assignee: Liaoning Cancer Hospital and Institute
Priority date: 2021-10-29
Filing date: 2021-10-29
Publication date: 2022-04-19
Anticipated expiration: 2031-10-29

Abstract

The utility model provides a central venous pressure measures fixing device, solves the measuring instrument installation fixed process that uses clinically at present and wastes time and energy, and stability is not enough, and measuring error is big, is not convenient for accomodate, uses inconvenient problem. Including unable adjustment base, its characterized in that: a positioning clamp plate and a movable clamp plate are respectively arranged on two sides of the lower part of the fixed base, the movable clamp plate is movably connected with the positioning clamp plate through a clamp plate bolt, and a base locking nut is arranged at one end of the clamp plate bolt, which is positioned on the outer side of the movable clamp plate; a folding support frame is rotatably arranged on a hinging seat of the fixed base, and a folding measuring scale is arranged on the folding support frame; the upper part of the fixed base is provided with a level bar and a laser generator. Its reasonable in design, compact structure, the easy leveling and the position control of measurement in-process to can effectively improve measuring result's accuracy, the support frame and the dipperstick of pressure-measuring pipe can be folded and accomodate, portable and deposit, convenient to use, flexibility, the practicality is strong.

Description

Central venous pressure measuring and fixing device

Technical Field

The utility model belongs to the technical field of medical auxiliary appliances, and particularly relates to a central venous pressure measuring and fixing device which is easy to level and adjust the position in the measuring process, can effectively improve the accuracy of a measuring result, can be folded and stored by a support frame and a measuring scale of a pressure measuring pipe, is convenient to carry and store, is convenient and flexible to use, and has strong practicability.

Background

Central venous pressure refers to the pressure of blood flowing through the right atrium and the thoracic sections of the superior and inferior vena cava. The measurement of the central venous pressure can reflect the conditions of blood volume, venous return blood volume, right ventricular filling pressure, heart function and the like, thereby guiding the fluid infusion and blood transfusion of postoperative patients or critical patients and preventing the situations of excessive fluid infusion, cardiac burden increase and the like. At present, the process of measuring the central venous pressure by hand is as follows: the central venous catheter is connected with a three-way pipe, one end of the three-way pipe is an infusion apparatus connected with normal saline, and the other end of the three-way pipe is a piezometer pipe. Adjusting the tee joint before pressure measurement to enable the normal saline to fill the pressure measuring pipe, embedding the pressure measuring pipe into a measuring scale with a groove, and fixing the measuring scale beside a patient bed; and, make the dipperstick and patient's body surface mutually perpendicular, let the zero scale of dipperstick and patient axillary midline fourth rib between the parallel and level. When the pressure is measured, the side pipe on the three-way pipe and communicated with the infusion apparatus is blocked, so that the pressure measuring pipe is communicated with the vein, and the liquid level in the pressure measuring pipe automatically drops until the liquid level is still; at this time, the height of the liquid column is the central venous pressure value.

However, the central venous pressure measuring ruler used in clinical practice needs to be fixed on a bedside infusion support or a mobile infusion support by using auxiliary devices such as an external fixed support and an elastic rubber band before measurement. The whole process of installation and fixation is time-consuming and labor-consuming, and has poor stability and easy left-right movement. In addition, if the patient adjusts the position, then need readjustment dipperstick position, and fix again and the calibration, the error of measurement is big, and the whole length of current dipperstick is more than 50cm, and matter is hard, be not convenient for accomodate, uses inconveniently. There is a need for improved prior art central venous pressure measurement methods and devices.

SUMMERY OF THE UTILITY MODEL

Aiming at the problems, the utility model provides the central venous pressure measuring and fixing device which is easy to level and adjust the position in the measuring process, can effectively improve the accuracy of the measuring result, can fold and store the support frame and the measuring scale of the pressure measuring tube, is convenient to carry and store, is convenient and flexible to use, and has strong practicability.

The technical scheme adopted by the utility model is as follows: this central venous pressure measures fixing device includes unable adjustment base, its characterized in that: a positioning clamp plate and a movable clamp plate are respectively arranged on two sides of the lower part of the fixed base, the movable clamp plate is movably connected with the fixed positioning clamp plate through a clamp plate bolt, and a base locking nut is arranged at one end, positioned on the outer side of the movable clamp plate, of the clamp plate bolt; a hinged seat is arranged at the upper part of the fixed base, a folding support frame is rotatably arranged on the hinged seat, a folding measuring scale is arranged on the folding support frame, and identification scales are arranged on the folding measuring scale; simultaneously, unable adjustment base's upper portion still is provided with the spirit level that is used for the leveling to and be used for shining the laser generator of the body surface corresponding position of patient's heart.

The foldable support frame is composed of a support frame main body and a foldable extension frame, the lower end of the support frame main body is hinged with the hinge seat, and the position of the support frame main body on the hinge seat is fixed through a compression nut; the upper end of the support frame main body is rotationally connected with one end of the folding extension frame through a folding frame hinge shaft; and elastic fixing pipe buckles for fixing the pressure measuring pipe are respectively arranged on the support frame main body and the folding extension frame. The folding extension frame and the support frame main body which can be folded mutually are used for reducing the space occupied by the folding support frame when the folding support frame is stored, and the device is convenient to carry and store; and the pressure measuring pipe is temporarily fixed by utilizing the elastic fixed pipe buckles arranged on the support frame main body and the folding extension frame.

The support frame main part is provided with a folding frame accommodating groove for accommodating the folding extension frame which is retracted in a rotating mode. So that the folding extension frame which is retracted by rotation enters into the folding frame accommodating groove arranged on the support frame main body, and the accommodating volume of the folding support frame is further reduced.

The foldable measuring scale comprises a foldable scale main body and a foldable extension scale, wherein a lifting guide chute is arranged in the middle of the foldable scale main body, a fixed guide stud is fixedly arranged on the side wall of the support frame main body of the foldable support frame, meanwhile, the foldable scale main body is connected with the fixed guide stud on the support frame main body in a sliding mode through the lifting guide chute, and the position of the measuring scale is fixed through a folding scale locking nut at the end part of the fixed guide stud; the upper end of the folding ruler main body is connected with one end of the folding extension ruler through a hinge shaft of the folding ruler. The folding ruler main body and the folding extension ruler which can be folded mutually are utilized to reduce the space occupied by the folding measuring ruler when the folding measuring ruler is stored, and the device is convenient to carry and store; and, through the lift of the lift direction spout along fixed guide stud on the folding chi main part, adjust the relative position of folding dipperstick and folding support frame, make things convenient for reading of data among the measurement process.

And the folding extension ruler is provided with a nut avoiding wide groove for the folding ruler locking nut to pass through. In order to rotate towards folding chi main part at folding extension chi when receiving and leaning on, make folding chi lock nut can dodge the wide groove and pass via the nut on the folding extension chi, and then utilize folding chi lock nut, will rotate the folding extension chi of withdrawing and fold the chi main part and closely receive and lean on together, further reduce the volume of accomodating of folding dipperstick.

The upper end of the folding extension frame of the folding support frame is provided with an elastic strap which is used for being connected with the upper end of the folding extension ruler of the folding measuring ruler. The folding extension frame and the folding extension ruler are upwards and rotate to the positions which are respectively 180-degree included angles with the support frame main body and the folding ruler main body, the elastic strap is used for connecting the vertically erected folding extension frame with the folding extension ruler, and therefore the structural stability of the device in the using process is guaranteed.

And a limiting boss is arranged on one side of the folding support frame on the fixed base. The folding support frame and the folding measuring scale are limited to integrally rotate downwards to be closed and leaned by the limiting lug bosses arranged on the fixed base.

The utility model has the beneficial effects that: the utility model adopts the fixed base, the two sides of the lower part of the fixed base are respectively provided with the positioning clamping plate and the movable clamping plate, the movable clamping plate is movably connected with the fixed positioning clamping plate through the clamping plate bolt, and the base locking nut is arranged at one end of the clamping plate bolt, which is positioned at the outer side of the movable clamping plate; a hinged seat is arranged at the upper part of the fixed base, a folding support frame is rotatably arranged on the hinged seat, and a folding measuring scale is arranged on the folding support frame; the upper part of the fixed base is provided with a leveling ruler for leveling and a structural form of a laser generator for irradiating the corresponding position of the body surface of the heart of the patient, so the fixed base is reasonable in design and compact in structure, the fixed base is fixedly connected to a barrier of a sickbed by utilizing a positioning clamp plate and a movable clamp plate, the whole device is leveled by the leveling ruler, and the body position of the patient corresponding to the zero point of the piezometric tube is determined by using the laser generator, so that the accuracy of measuring the central venous pressure is ensured, the leveling and the position adjustment in the measuring process are easy, and the reading of data is convenient; simultaneously, the support frame and the dipperstick of piezometric pipe can be folded and accomodate, and the device of being convenient for carries and deposits, convenient to use, flexibility, and the practicality is strong.

Drawings

FIG. 1 is a schematic diagram of an embodiment of the present invention.

Fig. 2 is a view in the direction a of fig. 1.

Fig. 3 is a schematic view of a structure of the folding support stand of fig. 1.

Fig. 4 is a schematic view of a configuration of the folded measuring tape of fig. 1.

Fig. 5 is a schematic view showing a state of use in which the folding support stand and the folding measuring tape in fig. 1 are vertically unfolded (when measuring), respectively.

Fig. 6 is a schematic view showing a use state in which the folding support stand and the folding measuring tape of fig. 1 are vertically retracted, respectively.

Fig. 7 is a schematic view showing a state of use in which the folding support stand and the folding measuring tape in fig. 6 are integrally folded downward and pivotally retracted (accommodated).

The sequence numbers in the figures illustrate: 1 unable adjustment base, 2 location splint, 3 articulated seats, 4 folding support frames, 5 folding dipperstick, 6 laser generator, 7 level gauges, 8 spacing bosss, 9 bed fenders, 10 movable clamp plate, 11 splint bolts, 12 base lock nut, 13 support frame main parts, 14 folding leg storage grooves, 15 folding extension frame, 16 folding leg articulated shafts, 17 elastic fixation pipe buckles, 18 elastic strap, 19 folding leg main parts, 20 sign scales, 21 lift direction spout, 22 fixed guide stud, 23 folding leg lock nut, 24 folding extension leg, 25 nut dodge wide slots, 26 folding leg articulated shafts, 27 piezometer pipe.

Detailed Description

The specific structure of the present invention will be described in detail with reference to FIGS. 1 to 7. The central venous pressure measuring and fixing device comprises a fixed base 1 connected with a sickbed barrier 9, and two groups of positioning clamping plates 2 and movable clamping plates 10 are respectively arranged on two sides of the lower portion of the fixed base 1. Moreover, each group of movable clamping plates 10 are movably connected with the corresponding positioning clamping plate 2 through clamping plate bolts 11; the clamp bolt 11 is provided with a base locking nut 12 at one end outside the movable clamp 10 for fastening and connecting the fixed base 1 and the bed stop 9. A hinged seat 3 is arranged at one end of the upper part of the fixed base 1, and a folding support frame 4 is rotatably arranged on the hinged seat 3; a limiting boss 8 is arranged on the fixed base 1 and one side of the folding support frame 4; and then the position of leaning against of the whole downward rotation of the folding support frame 4 and the folding measuring scale 5 is limited by the limiting lug boss 8 arranged on the fixed base 1. Meanwhile, the middle part of the upper side of the fixed base 1 is also provided with a leveling ruler 7 for leveling and a laser generator 6 for irradiating the corresponding position of the body surface of the heart of the patient (determining the corresponding zero position of the patient).

The folding support frame 4 rotatably arranged on the hinge seat 3 consists of a support frame main body 13 and a folding extension frame 15, the lower end of the support frame main body 13 is hinged with the hinge seat 3, and the position of the support frame main body 13 on the hinge seat 3 is fixed through a compression nut; the upper end of the support frame body 13 is rotatably connected to one end of the folding extension frame 15 through a folding frame hinge shaft 16. Furthermore, the support frame body 13 is further provided with a folding leg accommodating groove 14 for accommodating the folding extension leg 15 which is rotated and retracted, so that the folding extension leg 15 which is rotated and retracted enters the folding leg accommodating groove 14 arranged on the support frame body 13, and the accommodating volume of the folding support frame 4 is further reduced. The support frame body 13 and the folding extension frame 15 are provided with elastic fixing pipe buckles 17 for fixing the pressure measuring pipe 27. Therefore, the space occupied by the folding support frame 4 when the folding support frame is stored is reduced through the folding extension frame 15 and the support frame main body 13 which can be mutually folded, and the device is convenient to carry and store; and the pressure measuring pipe 27 is temporarily fixed by the elastic fixing pipe buckle 17 arranged on the support frame main body 13 and the folding extension frame 15.

The folding measuring scale 5 is arranged on the support frame main body 13 of the folding support frame 4. The folding measuring ruler 5 consists of a folding ruler main body 19 and a folding extension ruler 24; the folding ruler main body 19 and the folding extension ruler 24 are respectively provided with mark scales 20 which are continuous with each other. The middle part of the folding ruler main body 19 is provided with a lifting guide chute 21, and the side wall of the support frame main body 13 of the folding support frame 4 is fixedly provided with a fixed guide stud 22. The folding ruler main body 19 of the folding measuring ruler 5 is connected with the fixed guide stud 22 on the support frame main body 13 of the folding support frame 4 in a sliding mode through the lifting guide sliding chute 21, and the position of the measuring ruler is fixed through a folding ruler locking nut 23 at the end portion of the fixed guide stud 22. The upper end of folding rule body 19 is pivotally connected to one end of folding extension rule 24 through folding rule hinge shaft 26. Furthermore, the folding ruler main body 19 and the folding extension ruler 24 which can be folded mutually are utilized to reduce the space occupied by the folding measuring ruler 5 when being stored, thereby facilitating the carrying and storage of the device; and the relative position of the folding measuring scale 5 and the folding supporting frame 4 is adjusted by the lifting of the lifting guide sliding groove 21 on the folding scale main body 19 along the fixed guide stud 22, so that the data reading in the measuring process is facilitated.

In addition, the upper end of the folding extension frame 15 of the folding support frame 4 is provided with an elastic strap 18 which is used for connecting with the upper end of the folding extension ruler 24 of the folding measuring ruler 5; and then when folding extension frame 15 and folding extension chi 24 all upwards, rotate to the vertical position that is 180 degrees contained angles respectively with support frame main part 13 and folding chi main part 19, utilize elasticity strap 18 to link to each other folding extension frame 15 and folding extension chi 24 of standing vertically temporarily to guarantee the structural stability of device in the use. In order to further reduce the storage volume of the folding measuring scale 5, a nut avoiding wide groove 25 for the folding scale locking nut 23 to pass through is arranged on a folding extension scale 24 of the folding measuring scale 5; therefore, when the folding extension rule 24 is rotated and retracted toward the folding rule main body 19, the folding rule locking nut 23 can pass through the nut escape wide groove 25 on the folding extension rule 24, and the folding extension rule 24 rotated and retracted is tightly retracted with the folding rule main body 19 by the folding rule locking nut 23.

When the central venous pressure measuring and fixing device is used, firstly, the fixing base 1 is arranged on a sickbed barrier 9 by using the positioning splint 2 and the movable splint 10; then, the folding extension frame 15 of the unfolding folding support frame 4 and the folding extension ruler 24 of the folding measuring ruler 5 are respectively rotated upward and rotated, and the folding extension frame 15 and the folding extension ruler 24 are respectively positioned at vertical positions (as shown in fig. 5) which form an included angle of 180 degrees with the support frame body 13 and the folding ruler body 19, and the upper ends of the folding extension frame 15 and the folding extension ruler 24 are fixed by the elastic band 18. Then, the position of the fixed base 1 is leveled by a level ruler 7 arranged in the middle of the fixed base 1, and a compression nut on the hinged seat 3 is screwed to keep the vertical state of the whole folding support frame 4; and then, the base locking nut 12 on the clamp bolt 11 is screwed, so that the movable clamp plate 10 of the fixed base 1 tightly clamps the bed stop 9, and the pressure measuring pipe 27 is clamped and fixed on each elastic fixed pipe buckle 17 of the folding support frame 4.

When measuring central venous pressure, utilize the laser that laser generator 6 produced, shine the body surface of patient's heart and correspond the position (survey the zero point position that the patient corresponds), simultaneously, carry out measurement work through folding dipperstick 5 that the folding support frame 4 lateral part set up. In order to facilitate data reading, the lifting guide chute 21 of the folding measuring scale 5 can slide up and down along the fixed guide stud 22 at the side part of the folding support frame 4, and the zero point position of the measuring scale can be flexibly adjusted according to the corresponding zero point position of the patient, so that the measurement is convenient. After the measurement is finished, the folding measuring ruler 5 and the folding supporting frame 4 are reversely retracted (as shown in fig. 6 and 7), and the positioning is carried out by utilizing the limiting lug bosses 8 on the fixed base 1; subsequently, the base lock nut 12 is unscrewed, and the entire central venous pressure measurement fixing device is removed from the patient bed barrier 9 and stored for later use.

Claims

1. The utility model provides a central venous pressure measures fixing device, includes unable adjustment base (1), its characterized in that: a positioning clamping plate (2) and a movable clamping plate (10) are respectively arranged on two sides of the lower part of the fixed base (1), the movable clamping plate (10) is movably connected with the fixed positioning clamping plate (2) through a clamping plate bolt (11), and a base locking nut (12) is arranged at one end, positioned on the outer side of the movable clamping plate (10), of the clamping plate bolt (11); the upper part of the fixed base (1) is provided with a hinged seat (3), the hinged seat (3) is rotatably provided with a folding support frame (4), the folding support frame (4) is provided with a folding measuring scale (5), and the folding measuring scale (5) is provided with an identification scale (20); meanwhile, the upper part of the fixed base (1) is also provided with a leveling rod (7) for leveling and a laser generator (6) for irradiating the corresponding position of the body surface of the heart of the patient.

2. The central venous pressure measurement fixture of claim 1, wherein: the foldable support frame (4) is composed of a support frame main body (13) and a foldable extension frame (15), the lower end of the support frame main body (13) is hinged with the hinge seat (3), and the position of the support frame main body (13) on the hinge seat (3) is fixed through a compression nut; the upper end of the support frame main body (13) is rotatably connected with one end of the folding extension frame (15) through a folding frame articulated shaft (16); and elastic fixing pipe buckles (17) used for fixing the pressure measuring pipe (27) are respectively arranged on the support frame main body (13) and the folding extension frame (15).

3. The central venous pressure measurement fixture of claim 2, wherein: the support frame main body (13) is also provided with a folding frame accommodating groove (14) for accommodating a folding extension frame (15) which is rotated and retracted.

4. The central venous pressure measurement fixture of claim 2, wherein: the folding measuring scale (5) is composed of a folding scale main body (19) and a folding extension scale (24), a lifting guide sliding groove (21) is formed in the middle of the folding scale main body (19), a fixed guide stud (22) is fixedly arranged on the side wall of a support frame main body (13) of the folding support frame (4), meanwhile, the folding scale main body (19) is connected with the fixed guide stud (22) on the support frame main body (13) in a sliding mode through the lifting guide sliding groove (21), and the position of the measuring scale is fixed through a folding scale locking nut (23) at the end part of the fixed guide stud (22); the upper end of the folding ruler main body (19) is rotatably connected with one end of the folding extension ruler (24) through a folding ruler articulated shaft (26).

5. The central venous pressure measurement fixture of claim 4, wherein: and the folding extension ruler (24) is provided with a nut avoiding wide groove (25) for the folding ruler locking nut (23) to pass through.

6. The central venous pressure measurement fixture of claim 4, wherein: the upper end of the folding extension frame (15) of the folding support frame (4) is provided with an elastic strap (18) which is used for being connected with the upper end of a folding extension ruler (24) of the folding measuring ruler (5).

7. The central venous pressure measurement fixture of claim 1, wherein: and a limiting boss (8) is arranged on one side of the folding support frame (4) on the fixed base (1).