CN215272731U

CN215272731U - Central venous pressure measuring device

Info

Publication number: CN215272731U
Application number: CN202121785091.6U
Authority: CN
Inventors: 刘永康; 曾维艳
Original assignee: Mianzhu Peoples Hospital
Current assignee: Mianzhu Peoples Hospital
Priority date: 2021-08-02
Filing date: 2021-08-02
Publication date: 2021-12-24
Anticipated expiration: 2031-08-02

Abstract

The utility model relates to the technical field of medical equipment, in particular to a central venous pressure measuring device, which comprises a supporting rod and a transparent scale, wherein the supporting rod is provided with a chute, the bottom end of the chute extends upwards to form a ring groove, the inside of the measuring scale is provided with a central hole, and the central hole consists of two semicircular grooves with different diameters; the inner wall setting of spout is hugged closely to the outer wall of scale, the outer wall setting of annular is hugged closely to the inner wall of the great half slot of diameter on the centre bore of scale, hug closely on the inner wall of the less half slot of diameter on annular and the centre bore and be provided with survey buret, wherein one side juncture of two half slots of centre bore is provided with magnet. The utility model discloses need not extra fixed utensil in the measurement operation process, it is fixed to need not frequent dismouting, and convenient zeroing, fixed mode are simple convenient, have further improved the installation effectiveness and the detection accuracy.

Description

Central venous pressure measuring device

Technical Field

The utility model relates to the technical field of medical equipment, especially, relate to a central venous pressure measuring device.

Background

The central venous pressure measurement is a method for determining the comprehensive conditions of the blood volume, the cardiac function, the vascular tension and the like of a patient by measuring the pressure in the right atrium or the thoracic cavity segments of the superior and inferior vena cava. The central venous pressure determination has wider clinical application value in the aspects of diagnosis, monitoring and treatment of critical patients. Such as: volumetric assessment of heart failure requires additional examination in addition to clinical symptoms, signs, and the invasive monitoring of central venous pressure.

The current methods for measuring the central venous pressure are divided into two methods, one is a real-time dynamic central venous pressure measuring instrument which is connected with a computer through a transducer; the other method is a manual ruler measurement method, the height of the ruler is determined according to the height of the zero point of the central vein of a patient, then the infusion tube is taken down beside the ruler, the liquid level is waited to drop to stop, and the corresponding scale is the measured numerical value.

Generally, a ruler is used for measuring to determine a central venous pressure value, but in the measuring mode, a specific appliance for fixing the ruler and a specific appliance for fixing an infusion tube are not provided in the operation process, so that the assembly and disassembly are relatively complicated, the operation is difficult, the stability is poor, the integration of the infusion tube and the measuring tube cannot be realized, and the occupied space is large; secondly, zero setting is needed in each measurement, and frequent disassembly and assembly of appliances are needed during zero setting, so that the installation efficiency is further reduced, and the labor force is increased.

SUMMERY OF THE UTILITY MODEL

In order to solve the related technical problems mentioned in the background art, the utility model provides a central venous pressure measuring device.

In order to solve the above problem, the utility model discloses a technical scheme be:

a central venous pressure measuring device comprises a supporting rod and a cylindrical transparent scale, wherein a sliding groove is formed in one side of the supporting rod, a ring groove is formed in the bottom end of the sliding groove in an upward extending mode, a central hole is formed in the scale, and the central hole is formed by two semicircular grooves with different diameters; the inner wall setting of spout is hugged closely to the outer wall of scale, the outer wall setting of annular is hugged closely to the inner wall of the great half slot of diameter on the centre bore of scale, the internal diameter of annular with the diameter of the less half slot of diameter is the same on the centre bore, hug closely on the inner wall of the less half slot of diameter on annular and the centre bore and be provided with the survey buret, wherein one side juncture of two half slots of centre bore is provided with magnet, the annular is made for the iron material.

Preferably, the bottom end of the scale is provided with a handle perpendicular to the scale itself.

Preferably, one side of the handle is provided with a red spot emitting laser lamp.

Preferably, a marking block is arranged on one side of the handle, and when the handle is rotated, the marking block can be driven to print a zero point mark on the supporting rod.

Preferably, one end of the measuring tube is connected with a three-way valve, and the other two interfaces of the three-way valve are respectively connected with the infusion tube and the venous catheter.

Preferably, the upper end of the chute is slidably provided with a filter, and the filter is connected with the tail end of the measuring pipe.

Preferably, the filter includes connecting portion, the spout setting is hugged closely to connecting portion, connecting portion make for magnetic material, the bracing piece makes for iron material.

Preferably, the central venous pressure measuring device further comprises a base, and the support rod is rotatably arranged on the base.

Preferably, the central venous pressure measuring device further comprises a hanging frame, an infusion apparatus is hung on the hanging frame, and the upper end of the infusion apparatus is connected with the pressing air bag.

The utility model has the advantages of as follows and beneficial effect:

1. the utility model discloses a can be in spout and annular gliding transparent scale to can realize the zero setting operation through the position of the adjustment scale that the slip scale just can be convenient, only need rotatory scale after the zero setting is accomplished, make magnet and annular in the inside centre bore of scale hug closely each other inhale tightly and realize fixedly. Such design need not the utensil of extra fixed scale in the measurement operation process, not only makes things convenient for zero setting, and fixed very simple convenient, stability is strong moreover, for fixed modes such as traditional bolt, magic subsides, easy operation, labour saving and time saving need not frequent dismouting fixed, have increased the installation effectiveness.

2. The utility model discloses an inside centre bore that is provided with of scale, the centre bore comprises the half slot that two diameters are different, surveys installing of buret two kinds of modes. Firstly, after a measuring pipe penetrates from one end of a scale to the other end of the scale, the scale and the measuring pipe are integrally placed in a chute and a ring groove, and the measuring pipe is fixed on the inner walls of a central hole and the ring groove; secondly, survey buret can be earlier elastic press on the inner wall of annular, then put into the scale, when setting up the gliding setting of scale on spout and annular, fixed surveying buret. The two fixing modes enable the measuring pipe and the scale to be installed simply and quickly, reduce the blocking of the measuring pipe in perforation, enable the measuring pipe to be a straight line in the scale, and enable the detected data to be more accurate.

3. The utility model discloses set up the handle perpendicular with the scale body at the lower extreme of scale, set up red point emission laser lamp and mark piece on the handle to can be fast, accurate find the zero point position through red point emission laser lamp in the operation of zeroing, further increase the accuracy of detection data; the marking block can mark each zeroing time, so that the zero point sizes of different patients can be marked, doctors and nurses can find reference points conveniently when zeroing, and the zeroing speed and accuracy are improved.

Drawings

Fig. 1 is a front view of a central venous pressure measurement device provided by the present invention;

FIG. 2 is a cross-sectional view taken along A-A of FIG. 1;

FIG. 3 is a schematic view of the scale of FIG. 2 after it has been secured;

FIG. 4 is a cross-sectional view taken along line B-B of FIG. 1;

FIG. 5 is a cross-sectional view taken along the line C-C in FIG. 1;

fig. 6 is a cross-sectional view of the scale of the present invention;

icon: 1-base, 2-support rod, 21-sliding chute, 22-annular groove, 23-clamping joint, 3-hanging rack, 31-hanging bag, 4-transfusion device, 41-pressing air bag, 5-scale, 51-handle, 511-red point emitting laser lamp, 512-marking block, 52-central hole, 521-magnet, 6-three-way valve, 61-venous catheter, 62-measuring tube, 63-transfusion tube, 631-puncture end, 7-filter and 71-connecting part.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention.

Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

Examples

As shown in fig. 1 to 6, a central venous pressure measuring device comprises a support rod 2 and a cylindrical transparent scale 5, wherein scales are arranged on the scale 5, a sliding groove 21 is arranged on one side of the support rod 2, a ring groove 22 is arranged at the bottom end of the sliding groove 21 in an upward extending manner, the height of the ring groove 22 is smaller than that of the sliding groove 21, and the height of the ring groove 22 is larger than that of the scale 5, so that the scale 5 can be placed in the sliding groove 21, and then the scale 5 slides down to be closely attached to the ring groove 22. A central hole 52 is arranged inside the scale 5, and the central hole 52 is formed by two semicircular grooves with different diameters (as shown in fig. 6); the inner wall setting of spout 21 is hugged closely to the outer wall of scale 5, and the outer wall setting of annular 22 is hugged closely to the inner wall of the great semicircular groove of diameter on the centre bore 52 of scale 5, and the diameter of the less semicircular groove of diameter is the same on the internal diameter of annular 22 and the centre bore 52, hugs closely on the inner wall of the less semicircular groove of diameter on annular 22 and the centre bore 52 and is provided with survey buret 62, and wherein one side juncture of two semicircular grooves of centre bore 52 is provided with magnet 521, and annular 22 is made for the iron material.

The utility model discloses a can be in gliding transparent scale 5 in spout 21 and annular 22 to can realize the zero setting operation through the height of the adjustment scale 5 that sliding scale 5 just can be convenient, only need rotatory scale 5 after the zero setting is accomplished, make magnet 521 and annular 22 in the inside centre bore 52 of scale 5 hug closely each other to inhale tightly and realize fixedly. Such design need not extra instrument of fixed scale 5 in the measurement operation process, not only makes things convenient for zero setting, and fixed very simple convenient, stability is strong moreover, for fixed modes such as traditional bolt, magic subsides, easy operation, labour saving and time saving need not frequent dismouting fixed, have increased the installation effectiveness.

The utility model discloses an inside centre bore 52 that is provided with of scale 5, centre bore 52 comprises the different half slot of two diameters, surveys installing two kinds of modes of buret 62. Firstly, after the measuring pipe 62 penetrates from one end of the scale 5 to the other end of the scale 5, the scale 5 and the measuring pipe 62 are integrally placed in the chute 21 and the ring groove 22, and the measuring pipe 62 is fixed on the inner walls of the central hole 52 and the ring groove 22; secondly, the measuring pipe 62 can be firstly elastically pressed on the inner wall of the ring groove 22, then the scale 5 is put in, and the measuring pipe 62 is also fixed when the scale 5 is arranged on the sliding groove 21 and the ring groove 22 in a sliding manner. The two fixing modes enable the measuring tube 62 and the scale 5 to be installed simply and quickly, reduce the blocking of the perforation of the measuring tube 62, enable the measuring tube 62 to be a straight line in the scale 5, and enable the detected data to be more accurate.

The bottom of scale 5 is provided with and perpendicular handle 51 of scale 5 itself, and handle 51 can be on the one hand in the effect of the play reference object of scale 5 zero setting time, on the one hand can be convenient carry out the rotation operation through handle 51 to scale 5, and then realize zero setting and fixed of scale 5. Zeroing is done by adjusting the "0" on the scale of the ruler 5 to a level parallel to the right atrium (corresponding to the fourth intercostal space of the axillary midline when lying flat), and this reading is the zero point.

Further, one side of the handle 51 is provided with a red spot emitting laser lamp 511, and the red spot emitting laser lamp 511 can further assist in zeroing. During operation, the user only needs to hold the handle 51, move the sliding scale 5 upwards, irradiate the emitted red spot at the right atrium (which is equivalent to the position between the fourth ribs of the axillary midline in the horizontal lying state), and adjust zero relatively to human eyes, so that the zero adjusting speed is higher, and the zero adjusting precision is higher.

Further, a marking block 512 is provided on one side of the handle 51. As shown in fig. 2, the magnet 521 in the center hole 52 is spaced apart from the ring groove 22 by a predetermined distance, and the scale 5 can slide up and down in the slide groove 21 and the ring groove 22. As shown in fig. 3, when the zero point position of the scale 5 is adjusted by sliding up and down, the handle 51 is rotated to rotate the scale 5, and the magnet 521 inside is fixed by being closely attached to the ring groove 22. When the handle 51 is rotated, the marking block 512 can be driven to print the zero point mark on the support rod 2. By means of the design, the zero-point size of different patients can be marked when the zero-point is set every time, the zero-point size is used as a reference point, a doctor and a nurse can find a new zero-point around the reference point conveniently, and the zero-setting speed and accuracy are improved.

The utility model discloses in, survey the one end of buret 62 and be connected with three-way valve 6, two other interfaces of three-way valve 6 are connected with transfer line 63, ductus venosus 61 respectively, and the upper end of transfer line 63 is connected with puncture end 631.

The upper end of the chute 21 is slidably provided with a filter 7, and the filter 7 is connected with the measuring pipe 62. Further, the filter 7 includes a connecting portion 71, the connecting portion 71 is disposed adjacent to the sliding groove 21, the connecting portion 71 is made of a magnetic material, and the support rod 2 is made of a ferrous material. In conventional measurements, the measurement tube 62 is often susceptible to infection due to being too long, exposed at the end, etc., and thus such measurement tube 62 often needs to be replaced and sterilized frequently. The utility model designs the filter 7, the filter 7 is connected with the port of the measuring tube 62, thus not only ensuring the communication between the measuring tube 62 and the atmosphere, but also ensuring the sterility of the measuring tube 62; and the connecting part 71 of the filter 7 is made of the magnet 521 material, so that the connecting part can be absorbed on the inner wall of the chute 21, and the position of the filter 7 can be conveniently adjusted, so that the measuring pipes 62 with various lengths can be smoothly and tidily fixed and placed.

The utility model discloses a central venous pressure measuring device still includes base 1 and stores pylon 3, and 2 pivoted settings of bracing piece are on base 1, and the top of bracing piece 2 is fixed with stores pylon 3, are provided with on the stores pylon 3 and hang bag 31, hang and are provided with transfusion system 4 (infusion bottle, infusion bag etc.) in the bag 31, and the upper end of transfusion system 4 is connected with presses gasbag 41, and the pipe of pressing gasbag 41 is fixed through the joint 23 on the bracing piece 2. When the infusion set 4 is connected to the infusion tube 63 and the three-way valve 6 is opened to communicate the infusion tube 63 with the measurement tube 62, the liquid can be rapidly introduced into the measurement tube 62 by pressing the air bag 41.

The utility model discloses a theory of operation and use flow:

firstly, the scale 5 and the measuring tube 62 are mounted together on the chute 21 and the ring groove 22, and the position after mounting is shown in fig. 2; then, the zero point position is adjusted, the scale 5 is slid up and down, and after the zero point position is found, the handle 51 is rotated, so that the magnet 521 inside the scale 5 is closely attached to the ring groove 22, thereby fixing the scale 5, and the fixing position of the scale 5 is as shown in fig. 3.

Secondly, insert the transfusion system 4 that is equipped with the normal saline with the puncture end 631 of transfer line 63 in, open three-way valve 6, make transfer line 63 and survey buret 62 communicate with each other, let normal saline flow through whole survey buret 62, guarantee to discharge the gas in surveying buret 62, the liquid level rises in surveying buret 62, can not flow from the terminal mouth of pipe of surveying buret 62 simultaneously, the end and the filter 7 of surveying buret 62 are connected to guarantee the aseptic nature of surveying buret 62.

Thirdly, the three-way valve 6 is adjusted to close the infusion path, so that the measuring tube 62 is communicated with the venous catheter 61, the liquid level in the measuring tube 62 drops, and when the liquid level does not drop any more, the central venous pressure of the patient can be accurately measured. After the measurement is finished, the three-way valve can be adjusted, the measuring tube 62 is closed, and the infusion tube 63 is opened, so that the infusion tube 63 is communicated with the venous catheter 61, and the infusion operation is realized.

The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes will occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The central venous pressure measuring device is characterized by comprising a supporting rod (2) and a cylindrical transparent scale (5), wherein a sliding groove (21) is formed in one side of the supporting rod (2), a ring groove (22) extends upwards from the bottom end of the sliding groove (21), a central hole (52) is formed in the scale (5), and the central hole (52) is formed by two semicircular grooves with different diameters; the inner wall setting of spout (21) is hugged closely to the outer wall of scale (5), the outer wall setting of annular (22) is hugged closely to the inner wall of the great semicircular groove of diameter on centre bore (52) of scale (5), the internal diameter of annular (22) with the diameter of the less semicircular groove of diameter is the same on centre bore (52), it is provided with on the inner wall of the less semicircular groove of diameter to hug closely on annular (22) and centre bore (52) surveys buret (62), wherein one side juncture of two semicircular grooves of centre bore (52) is provided with magnet (521), annular (22) are made for the iron material.

2. The central venous pressure measurement device of claim 1, wherein: the bottom end of the scale (5) is provided with a handle (51) which is vertical to the scale (5).

3. The central venous pressure measurement device of claim 2, wherein: one side of the handle (51) is provided with a red spot emitting laser lamp (511).

4. The central venous pressure measurement device of claim 2, wherein: a marking block (512) is arranged on one side of the handle (51), and when the handle (51) is rotated, the marking block (512) can be driven to print a zero mark on the supporting rod (2).

5. The central venous pressure measurement device of claim 1, wherein: one end of the measuring pipe (62) is connected with the three-way valve (6), and the other two interfaces of the three-way valve (6) are respectively connected with the infusion pipe (63) and the venous catheter (61).

6. The central venous pressure measurement device of claim 1, wherein: the upper end of the sliding chute (21) is provided with a filter (7) in a sliding manner, and the filter (7) is connected with the tail end of the measuring pipe (62).

7. The central venous pressure measurement device of claim 6, wherein: the filter (7) comprises a connecting part (71), the connecting part (71) is tightly attached to the sliding groove (21), the connecting part (71) is made of a magnetic material, and the supporting rod (2) is made of a ferrous material.

8. The central venous pressure measurement device of claim 1, wherein: the support rod (2) is rotatably arranged on the base (1).

9. The central venous pressure measurement device of claim 8, wherein: the infusion support is characterized by further comprising a hanging frame (3), an infusion apparatus (4) is hung on the hanging frame (3), and the upper end of the infusion apparatus (4) is connected with a pressing air bag (41).