CN208740960U

CN208740960U - Central venous pressure measurement device

Info

Publication number: CN208740960U
Application number: CN201820673353.1U
Authority: CN
Inventors: 蒋宁
Original assignee: First Affiliated Hospital Chinese PLA General Hospital
Current assignee: First Affiliated Hospital Chinese PLA General Hospital
Priority date: 2018-05-07
Filing date: 2018-05-07
Publication date: 2019-04-16
Anticipated expiration: 2028-05-07

Abstract

The utility model belongs to the technical field of medical devices, in particular to a measuring device for central venous pressure. The utility model provides a central venous pressure measuring device with a new structure. When the central venous pressure measuring device is in use, a fixing frame is fixed on a sickbed by a clamping piece, and then the gravity hammer is allowed to sag naturally, and the gravity Then, rotate the ruler body so that the vertical pointer on the ruler body is parallel to the vertical line, at this time, the horizontal pointer points in the horizontal direction, and then move the ruler body to the horizontal direction. The upper card block is correspondingly stuck in the first card slot, so that the horizontal pointer is always in the horizontal direction, and the main body of the ruler is fixed after positioning, which avoids the complicated operation caused by frequent adjustment of the horizontal direction, saves time and labor, and has accurate positioning; The device is simple in structure and convenient to use, and is suitable for wide popularization and use.

Description

The measuring device of central venous pressure

Technical field

The utility model belongs to the field of medical instrument technology, in particular to a kind of measuring device of central venous pressure.

Background technique

Central venous pressure (CVP) is the pressure that superior and inferior vena cave enters right atrium, passes through superior and inferior vena cave or the right heart Room built-in pipe measures, and it is one of hemodynamic main indicator of clinical observation that it, which reflects right atrial pressure,.The size of central venous pressure Depending on the correlation between cardiac ejection ability and venous return.If cardiac ejection ability is strong, the blood of the heart can will be returned Liquid is mapped to intra-arterial in time, and central venous pressure is then low.Otherwise it penetrates the decline of blood ability caused by due to heart failure etc. then can Central venous pressure is caused to get higher.It is significant to understanding effective circulating blood volume and heart function to measure CVP.

Measurement central vein is pressed with sensor and monitors automatically and measure two schemes by hand, the former passes through central venous catheter It is connected with sensor, realizes that patient monitor automatic zero adjustment realizes continuous monitoring, but there are patient monitor and sensor in not all department There is the limitation used in equipment；The latter applies in each clinical department because pressure measuring unit is simple, easy to operate, cheap Widely.For second of measuring method, clinical staff is often used traditional range estimation or ruler and carries out two o'clock level To zero, but easily there is deviation in use in this method, and scale out of plumb keeps measured value bigger than normal；Infusion apparatus is elongated, measured value It is bigger than normal；If infusion apparatus is not straightened, but has bending, then measured value is less than normal.There is deviation in measured value, influences CVP measurement result Accuracy, to influence the judgement and normal therapeutic of conditions of patients.

Authorization Notice No. is that the utility model patent of CN207202861U discloses a kind of center venous pressure measuring device, Fixed frame is set on perfusion tube, perfusion tube is stretched by fixation by caulking groove, prevents perfusion tube Texturized, to make in perfusion tube Liquid level it is stable, improve the accuracy of measurement and reading, but the device not can guarantee ruler and be in level when to zero Face, so that the effect of zero-point positioning processing is poor, to influence the accuracy of CVP measurement result.

Utility model content

In order to solve the problems in the existing technology, the utility model provides a kind of measurement dress of new central venous pressure It sets, the measuring device of the central venous pressure improves the accuracy of zero-point positioning processing, and then the CVP for improving subsequent acquisition is surveyed Measure the accuracy of result.

The utility model specific technical solution is as follows:

The utility model provides a kind of measuring device of central venous pressure, including fixed frame and scale main body, described solid The bottom for determining frame is equipped with clamping piece, and the upper end of the scale main body is hinged on the top of the fixed frame, the scale main body Upper and opposite with a fixed frame side end face is equipped with positioning pointer, the positioning pointer include vertical pointer and with institute The vertical horizontal pointer of vertical pointer is stated, and gravity drop hammer is equipped with by vertical line on the longitudinal centre line on the vertical pointer, The longitudinal centre line of the vertical pointer is parallel with the longitudinal centre line of the scale main body, and the lower end of the scale main body is set There is fixture block, the fixed frame is equipped with the first card slot compatible with the fixture block.

It is further to improve, winding slot is equipped at left and right sides of the vertical pointer, and two winding slots are described in The length direction of the longitudinal centre line of vertical pointer is symmetrical arranged.

Further to improve, the fixed frame includes fixed link and adjusting rod, described in one end connection of the fixed link Clamping piece, the other end are connect with the adjusting rod, and the adjusting rod is formed by the pipe fitting sleeving that more root canal diameters successively successively decrease, mutually The outer tube wall of two pipe fittings of socket is equipped with multiple second card slots, and outer wall of inner tube is equipped with corresponding with second card slot Multiple grooves, spring is equipped in each groove, one end of the spring is connected to the bottom of the groove, and the other end connects It is connected to card ball.

Further to improve, the measuring device further includes a survey pressure closed at one end, the other end is equipped with catheter interface It manages, the side end face in the scale main body far from the fixed frame is equipped with multiple fixing belts and mutually fits with the pressure-measuring pipe The sliding slot matched is equipped with scale, and the water of the zero graduation line of the scale and the horizontal pointer at left and right sides of the sliding slot Flat position of center line is oppositely arranged, and the pressure-measuring pipe is fixed in the scale main body by each fixing belt, and each described solid The one end for determining band is fixed in the scale main body, is flexibly connected between the other end and the scale main body；On the pressure-measuring pipe It is additionally provided with regulating valve.

Further to improve, the flexible connection end of the fixing belt is connect by velcro, fastener with the scale main body.

The beneficial effects of the utility model are as follows:

The utility model provides a kind of measuring device of central venous pressure with new construction, the measurement of the central venous pressure Device is when in use, fixed on one's sick bed by fixed frame by clamping piece, then gravity drop hammer is allowed to naturally droop, utilizes the work of gravity With, so that the vertical line for being equipped with gravity drop hammer extends along the vertical direction, and then, rotary scale main body, so that vertical in scale main body It is parallel with vertical line to pointer, at this point, horizontal pointer is oriented to horizontal direction, then by the corresponding card of fixture block in scale main body In the first card slot, so that horizontal pointer is horizontally oriented always, scale main body is fixed after positioning, is avoided often to water Square to cumbersome caused by adjusting, so that it is time saving and energy saving, and registration；The apparatus structure is simple, easy to use, fits In being widely used to promote.

Detailed description of the invention

Fig. 1 is the structural schematic diagram of the measuring device of 1 central venous pressure of embodiment；

Fig. 2 is the cross-sectional view of the measuring device side view of 1 central venous pressure of embodiment；

Fig. 3 is the structural schematic diagram of 2 vertical pointer of embodiment；

Fig. 4 is the structural schematic diagram of 3 fixed frame of embodiment；

Fig. 5 is the rearview of the measuring device of 4 central venous pressure of embodiment.

Specific embodiment

The utility model is described in further detail with following embodiment with reference to the accompanying drawing.

Embodiment 1

Referring to shown in Fig. 1, Fig. 2, a kind of measuring device of central venous pressure provided by the utility model, including fixed frame 1 And scale main body 2, the bottom of the fixed frame 1 are equipped with clamping piece 3, the upper end of the scale main body 2 is hinged on described solid Determine the top of frame 1, in a scale main body 2 and side end face opposite with the fixed frame 1 is equipped with positioning pointer 4, described Positioning pointer 4 includes vertical pointer 401 and the horizontal pointer 402 vertical with the vertical pointer 401, and the vertical pointer Gravity drop hammer 6, the longitudinal centre line and the mark of the vertical pointer 401 are equipped with by vertical line 5 on longitudinal centre line on 401 The longitudinal centre line of ruler main body 2 is parallel, and the lower end of the scale main body 2 is equipped with fixture block 7, and the fixed frame 1 is equipped with and institute State compatible first card slot 8 of fixture block 7.Size in the utility model attached drawing has carried out appropriate scaling.

In the utility model after the completion of positioning in the horizontal direction, the device or the position of patient are adjusted, so that laterally Pointer is directed toward datum mark (such as the 4th intercostal of midaxillary line), improves the accuracy of CVP measurement result；Where the needle point of vertical pointer Straight line be vertical pointer longitudinal centre line, the straight line where the needle point of horizontal pointer is the horizontal centre of horizontal pointer Line, the direction for being oriented to needle point of horizontal pointer described in the utility model, vertical pointer is parallel with vertical line, i.e. vertical pointer Longitudinal centre line is parallel with vertical line.

Embodiment 2

The measuring device for the central venous pressure that the utility model embodiment 2 provides is substantially the same manner as Example 1, different It is, as shown in figure 3, the left and right sides of vertical pointer 401 described in the present embodiment is equipped with winding slot 403, and two coilings Slot 403 is symmetrical arranged along the length direction of the longitudinal centre line of the vertical pointer 401.

In the utility model after completing positioning, vertical line can be accepted by winding slot, avoid vertical line winding, knot And so on.

Embodiment 3

The measuring device for the central venous pressure that the utility model embodiment 3 provides is substantially the same manner as Example 1, different It is, as shown in figure 4, fixed frame 1 described in the present embodiment includes fixed link 101 and adjusting rod 102, the fixed link 101 One end connects the clamping piece 3, and the other end is connect with the adjusting rod 102, and the adjusting rod 102 is successively successively decreased by more root canal diameters Pipe fitting sleeving form, the outer tube wall of two be mutually socketed pipe fitting is equipped with multiple second card slots 103, sets on outer wall of inner tube There are multiple grooves 104 corresponding with second card slot 103, is equipped with spring 105, the spring in each groove 104 105 one end is connected to the bottom of the groove 104, and the other end is connected with card ball 106.

It in the utility model after the completion of positioning, needs horizontal pointer and benchmark point alignment, at this point, by adjusting Bar successively extracts the multiple tubing element of elevating lever out when needing to move up to adjust the position of horizontal pointer, and passes through card ball The two pipe fittings being mutually socketed are fixed, until reaching datum mark；When needing to move down, pipe fitting is successively withdrawn, is received Hui Shi directly retracts downwards pipe fitting since card ball is connect with groove by spring, stops when until reaching datum mark The only withdrawal of pipe fitting；Due to being equipped with multiple card slots on pipe fitting, horizontal pointer can be adjusted to the position of needs, so that Adjust it is more convenient, position it is more accurate；Scale main body is fixed on same pipe fitting, i.e., hinged end and the first card slot are located at same On pipe fitting.

Embodiment 4

The measuring device for the central venous pressure that the utility model embodiment 4 provides is substantially the same manner as Example 1, different It is, as shown in figure 5, measuring device described in the present embodiment further includes a survey closed at one end, the other end is equipped with catheter interface 9 Pressure pipe 10, the side end face in the scale main body 2 far from the fixed frame 1 be equipped with multiple fixing belts 11 and with the survey The compatible sliding slot 12 of pressure pipe 10, the left and right sides of the sliding slot 12 are equipped with scale 13, and the zero graduation line of the scale 13 It is oppositely arranged with the horizontal centre line position of the horizontal pointer 402, the pressure-measuring pipe 10 is fixed on by each fixing belt 11 In the scale main body 2, and one end of each fixing belt 11 is fixed in the scale main body 2, the other end and the scale It is flexibly connected between main body 2；Regulating valve 14 is additionally provided on the pressure-measuring pipe 10.

The flexible connection end of fixing belt 11 described in the present embodiment is connect by velcro, fastener with the scale main body 2.

It is that triple valve can also be arranged on pressure-measuring pipe and (belong to existing in order to measure blood pressure that pressure-measuring pipe is arranged in the utility model Have technology, do not shown in figure), and filled with the physiological saline added with heparin sodium in pressure-measuring pipe, and seal up for safekeeping in pressure-measuring pipe in advance, It can directly be taken when use, be not required in addition inject；Fixing belt be in order to which pressure-measuring pipe is fixed in sliding slot, and adjust laterally When the position of pointer, pressure-measuring pipe be it is motionless, therefore, fixing belt one end is fixed in scale main body, the other end and scale main body It is flexibly connected, in structure shown in fig. 5, a fixing belt of bottom shows state when fixing belt is opened；Scale master When body needs mobile, the movable one end of fixing belt is opened, mobile scale main body, until when scale main body is moved to datum mark, The movable one end of fixing belt is fixed, velcro, fastener etc. can be set in the movable one end of fixing belt, according to the actual situation and It is fixed.

The zero graduation line of scale and the horizontal center line of horizontal pointer of setting are at left and right sides of sliding slot in the utility model Position is opposite, at this point, the zero graduation line of scale is datum mark after horizontal pointer is directed toward datum mark, when measurement, and Ke Yizhi Reading is connect, so that reading is more convenient, measurement is more accurate for the setting.

The utility model is not limited to above-mentioned preferred forms, anyone can obtain under the enlightenment of the utility model Other various forms of products, however, make any variation in its shape or structure, it is all that there is same as the present application or phase Approximate technical solution, all falls within the protection scope of the utility model.

Claims

1. A measuring device for central venous pressure, characterized in that it comprises a fixing frame (1) and a ruler main body (2), a clamping member (3) is installed at the bottom of the fixing frame (1), and the ruler main body The upper end of (2) is hinged on the top of the fixing frame (1), and a positioning pointer (4) is provided on the scale body (2) and on the end face on the side opposite to the fixing frame (1). The positioning pointer (4) includes a vertical pointer (401) and a horizontal pointer (402) perpendicular to the vertical pointer (401), and the vertical center line on the vertical pointer (401) is installed with a vertical line (5). Gravity hammer (6), the longitudinal centerline of the longitudinal pointer (401) is parallel to the longitudinal centerline of the scale main body (2), and the lower end of the scale main body (2) is provided with a clamping block (7), so The fixing frame (1) is provided with a first clamping slot (8) which is matched with the clamping block (7).

2. The measuring device for central venous pressure according to claim 1, characterized in that, both the left and right sides of the longitudinal pointer (401) are provided with wire winding grooves (403), and the two wire winding grooves (403) ) are symmetrically arranged along the longitudinal direction of the longitudinal centerline of the longitudinal pointer (401).

3. The central venous pressure measurement device according to claim 1, wherein the fixing frame (1) comprises a fixing rod (101) and an adjusting rod (102), and one end of the fixing rod (101) is connected to The other end of the clamping piece (3) is connected with the adjusting rod (102), and the adjusting rod (102) is formed by socketing a plurality of pipe fittings with successively decreasing pipe diameters. The inner wall of the outer tube is provided with a plurality of second clamping grooves (103), and the outer wall of the inner tube is provided with a plurality of grooves (104) corresponding to the second clamping grooves (103), and each of the grooves (104) ) are provided with a spring (105), one end of the spring (105) is connected to the bottom of the groove (104), and the other end is connected to a clamping ball (106).

4. The measuring device of central venous pressure according to claim 1, characterized in that, the measuring device further comprises a pressure measuring tube (10) with one end closed and the other end provided with a catheter interface (9), the A plurality of fixing straps (11) and a chute (12) matched with the pressure measuring tube (10) are provided on the end surface of the scale body (2) on one side away from the fixing frame (1). The left and right sides of the chute (12) are provided with scales (13), and the zero scale line of the scale (13) is arranged opposite to the horizontal center line of the horizontal pointer (402), and each of the fixing belts ( 11) The pressure measuring tube (10) is fixed on the scale body (2), and one end of each of the fixing straps (11) is fixed on the scale body (2), and the other end is connected with the scale. The main bodies (2) are movably connected; the pressure measuring pipe (10) is also provided with a regulating valve (14).

5 . The central venous pressure measuring device according to claim 4 , wherein the movable connecting end of the fixing band ( 11 ) is connected to the scale body ( 2 ) through Velcro and snap buttons. 6 .