CN209018717U

CN209018717U - A kind of scalable centre venous pressure measuring rule

Info

Publication number: CN209018717U
Application number: CN201821215689.XU
Authority: CN
Inventors: 侯春霞
Original assignee: First Affiliated Hospital Chinese PLA General Hospital
Current assignee: First Affiliated Hospital Chinese PLA General Hospital
Priority date: 2018-07-30
Filing date: 2018-07-30
Publication date: 2019-06-25
Anticipated expiration: 2028-07-30

Abstract

The utility model belongs to the field of medical instrument technology, in particular to a kind of scalable centre venous pressure measuring rule；A kind of its scalable centre venous pressure measuring rule, including adjusting component and scale main body, the adjusting rod for adjusting component and including telescopic rod and being fixed on the telescopic rod, the scale main body are fixed on the telescopic rod, and the bottom of the telescopic rod is connected with flat plate by fixed link.The utility model provides a kind of new scalable centre venous pressure measuring rule, when the scalable centre venous pressure measuring rule works, flat plate is fixed on one's sick bed, it will be is it possible that formula dropper be clamping fixed by dropper, perfusion tube is fixed in card slot, then pass through the position of telescopic rod regulation scale main body, to realize zeroing, and the setting of adjusting rod, it can guarantee that the adjusting of telescopic rod does not influence the fixation of dropper folder and snap-gauge, the stability of zeroing, accuracy are further ensured, to improve the accuracy of measurement.

Description

A kind of scalable centre venous pressure measuring rule

Technical field

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

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 the position of patient or the position of ruler are different, can all make the zero of ruler Point can not be aligned with datum mark (such as the 4th intercostal of midaxillary line), cause measured value bigger than normal or less than normal；There is deviation, shadow in measured value The accuracy for ringing CVP measurement result, 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, is wrapped Infusion bottle, perfusion tube and measurement bay are included, the measurement bay front is equipped with caulking groove and reading ring, the caulking groove and the perfusion tube phase Adaptation, the caulking groove two sides are equipped with scale, although being provided with scale can read, scale can not be moved, and can not measure When adjust zero point and benchmark point alignment, lead to measured deviation, influence the accuracy of CVP measurement result.

Utility model content

In view of the above-mentioned problems, the utility model provides a kind of new scalable centre venous pressure measuring rule, during this is scalable Calm pulse pressure measuring scale, to realize zeroing, can improve the standard of measurement by the position of telescopic component regulation scale main body True property.

The utility model specific technical solution is as follows:

The utility model provides a kind of scalable centre venous pressure measuring rule, including adjusts component and scale main body, institute It states and adjusts the adjusting rod that component includes telescopic rod and is fixed on the telescopic rod, the scale main body is fixed on described flexible On bar, the bottom of the telescopic rod is connected with flat plate by fixed link, the adjusting rod be equipped with snap-gauge and fixation is it possible that The dropper of formula dropper presss from both sides, and the snap-gauge is equipped with card slot compatible with perfusion tube；The telescopic rod and the adjusting rod by The pipe fitting sleeving that more root canal diameters successively successively decrease forms, and the outer tube wall of two be mutually socketed pipe fitting is equipped with multiple clamping grooves, Outer wall of inner tube is equipped with multiple grooves corresponding with the clamping groove, is equipped with spring in each groove, the spring One end is connected to the bottom of the groove, and the other end is connected with card ball.

It is further to improve, it is connected with fine control rod between the telescopic rod and the fixed link, passes through in the fixed link Shaft is connected with turntable, and the bottom of the fine control rod is set on the turntable, and the fine control rod is the hollow pipe of upper end opening, Internal shaping has internal screw thread, and being formed on the pipe fitting outer wall of described fixed link one end for the telescopic rod is matched with the internal screw thread Close the external screw thread being spirally connected.

It is further to improve, pass through hinged axis connection between the flat plate and the fixed link.

Further to improve, the scale main body is equipped with caulking groove, fixed amplification far from a side end face of the telescopic rod Mirror and movable magnifying glass, perfusion tube are placed in the caulking groove and slide along the length direction of the caulking groove, a left side for the caulking groove Right two sides are equipped with scale, and the fixed magnifying glass is fixed at zero graduation by fixed block, and the scale is far from the caulking groove Side be equipped with sliding slot, it is described activity magnifying glass be equipped with sliding block compatible with the sliding slot.

The beneficial effects of the utility model are as follows:

The utility model provides a kind of new scalable centre venous pressure measuring rule, the scalable centre venous pressure measuring rule It is when work, flat plate is fixed on one's sick bed, perfusion tube will be fixed in card slot is it possible that formula dropper is clamping fixed by dropper, Then pass through the position of telescopic rod regulation scale main body, thus realize zeroing, and the setting of adjusting rod, it is ensured that telescopic rod The fixation for not influencing dropper folder and snap-gauge is adjusted, the stability of zeroing, accuracy are further ensured, to improve measurement Accuracy.

Detailed description of the invention

Fig. 1 is the structural schematic diagram of the scalable centre venous pressure measuring rule of embodiment 1；

Fig. 2 is the sectional view that embodiment 1 adjusts component；

Fig. 3 is the partial cutaway view that embodiment 2 adjusts component；

Fig. 4 is the sectional view of 3 fixed link of embodiment；

Fig. 5 is the structural schematic diagram of 4 scale main body of embodiment；

Fig. 6 is the sectional view of 4 scale main body of embodiment；

Fig. 7 is the front view of 4 scale main body of embodiment.

Specific embodiment

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

Embodiment 1

The utility model embodiment 1 provides a kind of scalable centre venous pressure measuring rule, as shown in Figure 1 and Figure 2, including adjusts Save component 1 and scale main body 2, the tune for adjusting component 1 and including telescopic rod 101 and being fixed on the telescopic rod 101 Pole 102, the scale main body 2 are fixed on the telescopic rod 101, and the bottom of the telescopic rod 101 is connected by fixed link 3 It is connected to flat plate 4, the adjusting rod 102 is equipped with snap-gauge 5 and fixes the dropper folder 6 is it possible that formula dropper, sets on the snap-gauge 5 There is card slot 7 compatible with perfusion tube；The pipe that the telescopic rod 101 and the adjusting rod 102 are successively successively decreased by more root canal diameters Part is socketed to form, and the outer tube wall of two be mutually socketed pipe fitting is equipped with multiple clamping grooves 103, and outer wall of inner tube is equipped with and institute The corresponding multiple grooves 104 of clamping groove 103 are stated, are equipped with spring 105, one end of the spring 105 in each groove 104 It is connected to the bottom of the groove 104, the other end is connected with card ball 106.The size of attached drawing is to be fitted in the utility model When scaling.

The caliber of telescopic rod and adjusting rod is and is sequentially reduced from top to bottom in the utility model, the maximum caliber of telescopic rod Pipe fitting and the pipe fitting of the minimum pipe of adjusting rod be fixedly connected by bolt etc., scale main body is fixed on flexible by bolt etc. On the pipe fitting of the maximum caliber of bar, dropper folder and snap-gauge pass through bolt etc. and are fixed on the pipe fitting of maximum caliber of adjusting rod, Scale main body, dropper folder and snap-gauge are in the same plane.

When scale main body needs to move up, the multiple tubing element of telescopic rod is successively extracted out, and will be mutual by card ball The two pipe fittings of socket are fixed, until completing zeroing；When needing to move down, pipe fitting is successively withdrawn, when withdrawal, due to Card ball is connect with groove by spring, therefore directly retracts pipe fitting downwards, stops the receipts of pipe fitting when until completing zeroing It returns；Due to being equipped with multiple card slots on pipe fitting, scale main body can be adjusted to the position of needs, so that adjusting more square Just, it positions more accurate.

Embodiment 2

The scalable centre venous pressure measuring rule and embodiment 1 that the utility model embodiment 2 provides are essentially identical, different , as shown in figure 3, being connected with fine control rod 8 between the telescopic rod 101 and the fixed link 3, pass through in the fixed link 3 Shaft 9 is connected with turntable 10, and the bottom of the fine control rod 8 is set on the turntable 10, and the fine control rod 8 is the sky of upper end opening Heart pipe, internal shaping have an internal screw thread, the telescopic rod 101 be formed on the pipe fitting outer wall of described 3 one end of fixed link with The external screw thread that the screw-internal thread fit is spirally connected.

Telescopic rod is adjusted to coarse adjustment in the utility model, and scale main body is adjusted to zero graduation to the position for closing on datum mark It sets, then, since fine control rod is rotatably connected in fixed link, and fine control rod is spirally connected with telescopic rod and connect, and therefore, rotates accurate adjustment Bar, so that scale main body moves up or down, fine control rod rotation is primary, and scale main body rises or decline 1mm, until zero quarter Line alignment fiducials point is spent, so that zeroing is more accurate, to improve the accuracy of reading；Since fine control rod is rotatably connected on fixation On bar, therefore, telescopic rod and adjusting rod can be driven to rotate by fine control rod, thus regulation scale main body, snap-gauge and dropper folder Direction.

Accurate adjustment pipe is fixed on turntable by bolt etc. in the utility model, and shaft is fixed on fixed link by bolt etc..

Embodiment 3

The scalable centre venous pressure measuring rule and embodiment 2 that the utility model embodiment 3 provides are essentially identical, different , as shown in figure 4, being connected between the flat plate 4 and the fixed link 3 by articulated shaft 11.

By hinged axis connection between flat plate and fixed link in the utility model, convenient for adjusting the position of fixed link, from And make telescopic rod in a vertical state, convenient for the measurement of central venous pressure.

Embodiment 4

The scalable centre venous pressure measuring rule and embodiment 1 or 2 that the utility model embodiment 4 provides are essentially identical, no With as shown in Fig. 5, Fig. 6, Fig. 7, the scale main body 2 is equipped with caulking groove far from a side end face of the telescopic rod 101 12, fixed magnifying glass 13 and movable magnifying glass 14, perfusion tube are placed in the caulking groove 12 and along the length side of the caulking groove 12 To sliding, the left and right sides of the caulking groove 12 is equipped with scale 15, and the fixed magnifying glass 13 is fixed on zero by fixed block 16 At scale, the scale 15 far from the caulking groove 12 side be equipped with sliding slot 17, it is described activity magnifying glass 14 be equipped with it is described The compatible sliding block 18 of sliding slot 17.

Fixed magnifying glass is arranged in the utility model at zero graduation, and zero graduation is amplified, convenient for by zero graduation adjust to Benchmark point alignment, increases the precision of adjusting, and movable magnifying glass slides up and down in sliding slot, and scale-amplifying while amplifies defeated Liquid level in liquid pipe, convenient for the reading after liquid level stabilizing, meanwhile, so that reading is more convenient, it is more accurate；Due to telescopic rod Flexible to will drive moving up and down for scale main body, the perfusion tube being arranged in caulking groove can slide in caulking groove, therefore, caulking groove Width is greater than the caliber of perfusion tube, guarantees that the sliding of perfusion tube does not influence the flowing of infusion liquid in pipe.

The upper surface of fixed block and fixed magnifying glass are integrally formed or are fixed by glue etc., and lower end surface is solid by glue etc. It is scheduled in scale main body, the upper surface of sliding block and movable magnifying glass are integrally formed or are fixed by glue etc..

The technical characteristic for being not particularly limited or describing in above embodiments is conventional technical means, arbitrarily be may be implemented The technological means of above-mentioned function can be used, and those skilled in the art should will not be puzzled by this.Embodiment described above is only It is only that preferred embodiments of the present invention are described, not the scope of the utility model is defined, is not being departed from Under the premise of the spirit of the design of the utility model, those of ordinary skill in the art make the technical solution of the utility model various Modification and improvement should all be fallen into the protection scope of claims determination of the utility model.

Claims

1. a kind of scalable centre venous pressure measuring rule, which is characterized in that including adjusting component (1) and scale main body (2), institute Stating and adjusting component (1) includes telescopic rod (101) and the adjusting rod (102) being fixed on the telescopic rod (101), the scale Main body (2) is fixed on the telescopic rod (101), and the bottom of the telescopic rod (101) is connected with flat plate by fixed link (3) (4), the adjusting rod (102) is equipped with snap-gauge (5) and fixed is it possible that the dropper of formula dropper presss from both sides (6), sets on the snap-gauge (5) There is card slot (7) compatible with perfusion tube；The telescopic rod (101) and the adjusting rod (102) are successively passed by more root canal diameters The pipe fitting sleeving subtracted forms, and the outer tube wall of two be mutually socketed pipe fitting is equipped with multiple clamping grooves (103), on outer wall of inner tube Equipped with multiple grooves (104) corresponding with the clamping groove (103), spring (105) are equipped in each groove (104), One end of the spring (105) is connected to the bottom of the groove (104), and the other end is connected with card ball (106).

2. scalable centre venous pressure measuring rule according to claim 1, which is characterized in that the telescopic rod (101) with It is connected with fine control rod (8) between the fixed link (3), is connected with turntable (10), institute by shaft (9) on the fixed link (3) The bottom for stating fine control rod (8) is set on the turntable (10), and the fine control rod (8) is the hollow pipe of upper end opening, internal shaping There is internal screw thread, the telescopic rod (101) is formed with and the internal screw thread on the pipe fitting outer wall of the fixed link (3) one end Cooperate the external screw thread being spirally connected.

3. scalable centre venous pressure measuring rule according to claim 1, which is characterized in that the flat plate (4) and institute It states and is connected between fixed link (3) by articulated shaft (11).

4. scalable centre venous pressure measuring rule according to claim 1, which is characterized in that the scale main body (2) is remote A side end face from the telescopic rod (101) is equipped with caulking groove (12), fixed magnifying glass (13) and movable magnifying glass (14), defeated Liquid pipe is placed in the caulking groove (12) and slides along the length direction of the caulking groove (12), and the left and right sides of the caulking groove (12) is equal Equipped with scale (15), the fixed magnifying glass (13) is fixed at zero graduation by fixed block (16), and the scale (15) is separate The side of the caulking groove (12) is equipped with sliding slot (17), and the activity magnifying glass (14) is equipped with compatible with the sliding slot (17) Sliding block (18).