Split type measuring scale for measuring central venous pressure

Abstract

The utility model discloses a split type measuring scale for measuring central venous pressure, which belongs to the technical field of medical instruments and comprises a fixing seat arranged on a rod body of an infusion support and a measuring scale body matched with the fixing seat in an inserted connection mode, a groove used for placing an infusion tube is arranged in the center of the measuring scale body, the groove extends along the length direction of the measuring scale body, and the measuring scale body is arranged in the groove. Scale marks are arranged on one side of the groove, a fixed buckle is arranged at the top end of the groove, and a movable buckle is connected into the groove in a sliding mode. According to the utility model, the split-type fixing seat and the measuring scale are adopted, so that on one hand, good operation convenience is provided, and on the other hand, the accuracy of measurement and reading can be ensured.

Description

Technical Field

[0001] The utility model belongs to the technical field of medical instruments, and in particular relates to a split measuring ruler for measuring central venous pressure. Background Art

[0002] Central venous pressure refers to the pressure in the right atrium and the thoracic segments of the superior and inferior vena cava. Clinically, it can reflect the patient's blood volume, cardiac function, and vascular tension, and is crucial for assessing the patient's condition.

[0003] Currently, the most common measurement method is to measure central venous pressure using a measuring tape. The operator needs to hold the measuring tape to measure the reading, which is easily affected by human factors and the measurement environment, resulting in reading errors. Utility Model Content

[0004] The purpose of the present utility model is to provide a split measuring ruler for measuring central venous pressure, aiming to solve the problems existing in the prior art in the above-mentioned background technology.

[0005] In order to achieve the above purpose, the technical solution adopted by the utility model is:

[0006] A split measuring ruler for measuring central venous pressure includes a fixing base arranged on the rod body of an infusion stand, and a measuring ruler plugged into the fixing base. A groove for placing an infusion tube is provided in the center of the measuring ruler. The groove extends along the length of the measuring ruler. A scale line is provided on one side of the groove. A fixed buckle is provided at the top of the groove, and a movable buckle is slidably connected in the groove.

[0007] Furthermore, the top surface of the fixing seat is provided with a accommodating groove, the measuring ruler is provided with an inserting portion that is plugged into the accommodating groove, the measuring ruler is provided with a limiting groove, and the fixing seat is provided with a second sliding groove connected to the accommodating groove, and a limiting plate is slidably connected in the second sliding groove, and the limiting plate is used to be inserted into the limiting groove to limit the measuring ruler.

[0008] Furthermore, the fixing seat includes a first fixing seat and a second fixing seat, the second fixing seat includes a sleeve sleeved on the rod body, and a base arranged at the bottom of the sleeve, the base is provided with a recessed portion, the recessed portion is penetrated by a first screw threadedly connected thereto, the end of the first screw is provided with an arc-shaped clamping plate, the arc-shaped clamping plate abuts against the rod body to limit the second fixing seat, the first fixing seat is slidably sleeved on the outside of the sleeve, the first fixing seat is used to be plugged into and cooperated with a measuring ruler, the first fixing seat is penetrated by a second screw threadedly connected thereto, and the end of the second screw abuts against the sleeve to limit the first fixing seat.

[0009] Furthermore, a slide rail is provided along the length direction of the other side of the groove, and the slide rail is slidably connected to a positioning rod, the positioning rod is perpendicular to the slide rail, and one end of the positioning rod is located on one side of the scale line, and the positioning rod is used for quick reading.

[0010] Furthermore, the positioning rod is provided with a positioning piece, and the positioning piece includes a sliding rod and a U-shaped frame. The U-shaped frame is mounted on the side of the positioning rod away from the measuring ruler. The sliding rod passes through the back plate of the U-shaped frame and the positioning rod. The sliding rod located in the U-shaped frame is provided with a baffle. The sliding rod between the baffle and the back plate of the U-shaped frame is provided with a spring, and the spring is used to make the end of the sliding rod abut against the measuring ruler.

[0011] Furthermore, an anti-slip layer is provided at one end of the sliding rod close to the measuring ruler, and a third hand-held portion is provided at the other end.

[0012] Furthermore, the positioning rod adopts a telescopic rod structure.

[0013] Compared with the shortcomings and deficiencies of the prior art, the present invention has the following beneficial effects.

[0014] 1. The utility model provides a split measuring ruler for measuring central venous pressure, which adopts a split structure of a fixing base and a measuring ruler. The fixing base is pre-set on the rod body of the infusion stand. When measuring, the measuring ruler is plugged into the fixing base, and there is no need to hold the measuring ruler by hand. In addition, the fixed buckle cooperates with the movable buckle to facilitate the infusion tube in the groove to extend in a straight line, thereby ensuring the accuracy of the central venous pressure measurement reading.

[0015] 2. In this split measuring ruler for measuring central venous pressure, the fixing base adopts a sliding fit structure of the first fixing base and the second fixing base. The second fixing base is fixed to the height of the bed. By adjusting the first fixing base, the direction and height position of the measuring ruler can be adjusted to accommodate patients of different body shapes, which is conducive to ensuring measurement accuracy.

[0016] 3. The split-type measuring ruler for measuring central venous pressure is provided with a positioning rod. When reading, the positioning rod is slid to the liquid level position in the infusion tube, which is conducive to fast and accurate reading. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 The utility model is a structural schematic diagram of a split measuring ruler for measuring central venous pressure.

[0018] Figure 2 It is a schematic diagram of the connection structure between the fixing base and the measuring ruler in the utility model.

[0019] Figure 3 yes Figure 2 Schematic diagram of the locally enlarged structure at point A in the middle.

[0020] Figure 4 It is a structural schematic diagram of the sliding connection between the movable buckle and the groove in the utility model.

[0021] Figure 5It is a schematic diagram of the connection structure between the first fixing seat and the second fixing seat in the utility model.

[0022] Figure 6 It is a structural schematic diagram of a measuring ruler slidably connected to a positioning rod in the utility model.

[0023] Figure 7 It is a structural schematic diagram of a positioning rod provided with a positioning piece in the utility model.

[0024] Figure 8 It is a schematic diagram of the telescopic structure of the positioning rod in the utility model.

[0025] In the figure: 1-fixed seat; 2-measuring ruler; 3-infusion tube; 4-rod body; 5-first hand-held part; 6-quick-connect clamp; 7-recessed part; 8-first screw; 9-arc-shaped clamp; 10-accommodating groove; 11-plug-in part; 12-fixed buckle; 13-movable buckle; 14-scale line; 15-second slide groove; 16-limiting plate; 17-limiting groove; 18-groove; 19-slider; 20-first slide groove; 21-first fixed seat; 22-second fixed seat; 23-sleeve; 24-base; 25-first threaded hole; 26-second hand-held part; 27-second screw; 28-second threaded hole; 29-slide rail; 30-positioning rod; 31-sliding part; 32-positioning part; 33-slide rod; 34-third hand-held part; 35-anti-slip layer; 36-U-shaped frame; 37-baffle; 38-spring DETAILED DESCRIPTION

[0026] In order to make the purpose, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention and are not intended to limit the present invention.

[0027] Reference Figure 1 and Figure 2 A split measuring ruler for measuring central venous pressure includes a fixing base 1 and a measuring ruler 2. The fixing base 1 and the measuring ruler 2 adopt a split structure. The fixing base 1 is pre-installed to the rod body 4 of the infusion stand. When measuring the central venous pressure, the measuring ruler 2 is used in combination with the fixing base 1 to improve the convenience of the central venous pressure measurement operation and the accuracy of the measurement.

[0028] The fixing base 1 is sleeved on the rod body 4, and the top surface of the fixing base 1 is provided with a accommodating groove 10, which is used to be plugged into and cooperate with the measuring ruler 2. A recessed portion 7 is provided on the inner side of the bottom of the fixing base 1 near the rod body 4, and positioning components are provided on the opposite sides of the recessed portion 7. The positioning component includes a first screw 8, and the end of the first screw 8 near the rod body 4 is provided with an arc-shaped splint 9, and the other end is provided with a first hand-held portion 5. The first screw 8 is rotatably connected to the arc-shaped splint 9. The side wall of the recessed portion 7 is provided with a first threaded hole 25 that passes through in the horizontal direction. The first screw 8 is threadedly connected to the first threaded hole 25. The first screw 8 is driven to rotate by the first hand-held portion 5, so that the arc-shaped splint 9 abuts against the rod body 4, and the arc-shaped splints 9 on both sides cooperate to fix the fixing base 1 to the rod body 4.

[0029] Reference Figure 3 and Figure 4 A groove 18 is provided in the middle position of the measuring ruler 2, and the groove 18 extends along the length direction of the measuring ruler 2. The groove 18 is used to embed the infusion tube 3. A fixed buckle 12 is provided at the top of the groove 18, and the movable buckle 13 is slidably connected in the groove 18. Specifically, a first slide groove 20 is provided in the groove 18, and the first slide groove 20 extends along the length direction of the groove 18. The movable buckle 13 is provided with a slider 19, and the slider 19 is slidably connected to the first slide groove 20. The movable buckle 13 cooperates with the fixed buckle 12 to limit the infusion tube 3 located at the upper and lower ends of the groove 18 respectively. At the same time, moving the movable buckle 13 from the upper end to the lower end of the groove 18 can be used to slide the infusion tube 3 in the limiting groove 18, so that the infusion tube 3 can be kept in a straight line as much as possible in the groove 18, which helps to improve the measurement accuracy of the central venous pressure. The measuring ruler 2 is provided with a scale line 14 on one side of the groove 18, and the scale line 14 is used for reading during measurement. A plug-in portion 11 is provided at the bottom of the measuring ruler 2, and the plug-in portion 11 is used to plug and cooperate with the accommodating groove 10 to facilitate the installation of the measuring ruler 2 to the fixing seat 1. The plug-in portion 11 is provided with a limit groove 17, and the top surface of the fixing seat 1 is provided with a limit member. The limit member cooperates with the limit groove 17 to limit and fix the measuring ruler 2. Specifically, the limit member includes a limit plate 16, and the fixing seat 1 is provided with a second slide groove 15 connected to the accommodating groove 10. The limit plate 16 is slidably connected to the second slide groove 15. After the plug-in portion 11 is inserted into the accommodating groove 10, the limit plate 16 is slid so that the end of the limit plate 16 is embedded in the limit groove 17.

[0030] In one embodiment, since the measuring ruler 2 has a certain length, in order to reduce the shaking of the measuring ruler 2, a quick-connect clamp 6 is provided on the upper part of the measuring ruler 2 facing the rod body 4. The quick-connect clamp 6 is used for the rod body 4 to pass through. The open end of the quick-connect clamp 6 has a certain elasticity, which facilitates the rapid introduction and export of the rod body 4.

[0031] In one embodiment, referring to Figure 5The fixing seat 1 includes a first fixing seat 21 and a second fixing seat 22 that are slidably connected. The second fixing seat 22 is used to connect with the rod body 4, and the first fixing seat 21 is used to connect with the measuring ruler 2 to facilitate adjusting the position of the measuring ruler 2. The second fixing seat 22 includes a base 24 and a sleeve 23, the recessed portion 7 is provided on the base 24, the sleeve 23 is sleeved on the rod body 4, the bottom end of the sleeve 23 is connected to the base 24, the first fixing seat 21 is sleeved on the outside of the sleeve 23, and is slidably connected to the sleeve 23, the first fixing seat 21 is provided with a second threaded hole 28, preferably, two groups of second threaded holes 28 are relatively arranged, the second threaded holes 28 are threadedly connected to the second screw 27, one end of the second screw 27 is used to abut against the sleeve 23 to limit the position of the first fixing seat 21, and the other end is provided with a second hand-held portion 26, the accommodating groove 10 is provided on the first fixing seat 21, rotating the first fixing seat 21 can adjust the orientation of the measuring ruler 2, and moving the first fixing seat 21 up and down is convenient for fine-tuning the height position of the measuring ruler 2 within the length range of the sleeve 23, which is beneficial to ensuring the measurement accuracy of the central venous pressure.

[0032] In one embodiment, referring to Figure 6 The measuring ruler 2 is provided with a slide rail 29 on one side of the groove 18. The slide rail 29 and the scale line 14 are respectively arranged on both sides of the groove 18. The slide rail 29 is arranged along the length direction of the measuring ruler 2. The slide rail 29 is slidably connected to the positioning rod 30. A sliding member 31 is provided on one side of the positioning rod 30. The sliding member 31 is slidably connected to the slide rail 29. The positioning rod 30 is parallel to the surface of the measuring ruler 2 and spaced apart. The length direction of the positioning rod 30 is perpendicular to the length direction of the slide rail 29. The end of the positioning rod 30 extends to the scale line 14. Moving the positioning rod 30 facilitates quick reading.

[0033] Reference Figure 7 The positioning rod 30 is provided with a positioning piece 32, and the positioning piece 32 includes a slide rod 33 and a U-shaped frame 36. The U-shaped frame 36 is arranged on the side of the positioning rod 30 away from the measuring ruler 2. The slide rod 33 passes through the back plate of the U-shaped frame 36 and the positioning rod 30 in sequence. The end of the slide rod 33 close to the measuring ruler 2 is provided with an anti-slip layer 35, and the other end is provided with a third hand-held part 34. The rod body of the slide rod 33 located in the U-shaped frame 36 is provided with a baffle 37, and the rod body of the slide rod 33 between the baffle 37 and the back plate of the U-shaped frame 36 is sleeved with a spring 38. Under the action of the spring 38, the end of the slide rod 33 abuts against the measuring ruler 2, which is convenient for fixing the position of the positioning rod 30 and is conducive to ensuring the accuracy of the reading.

[0034] In one embodiment, referring to Figure 8 The positioning rod 30 is a telescopic rod, including a first telescopic rod and a second telescopic rod that slide together. The first telescopic rod is provided with a positioning member 32 and a sliding member 31. In the retracted state, the second telescopic rod partially penetrates the first telescopic rod. In the extended state, the end of the second telescopic rod moves to the position of the scale line 14. The positioning rod 30 adopts a telescopic structure, which provides convenience for loading and unloading of the infusion tube 3.

[0035] When using the split measuring ruler for measuring central venous pressure, the fixing seat 1 is pre-installed on the rod body 4 of the infusion stand, and the position of the fixing seat 1 is adjusted to the height of the bed, the plug-in part 11 of the measuring ruler 2 is inserted into the accommodating groove 10, and the measuring ruler 2 is fixed by the limit plate 16, and the first fixing seat 21 is slid to adjust the direction and height position of the measuring ruler 2 to adapt to patients of different body shapes, and the movable buckle 13 is moved to the bottom of the fixed buckle 12, and then the infusion tube 3 is clamped into the fixed buckle 12 and the movable buckle 13, and the movable buckle 13 is slid along the groove 18 so that the movable buckle 13 slides to the bottom of the groove 18, so that the infusion tube 3 in the groove 18 can remain extended in a straight line to measure the central venous pressure. According to the liquid level in the infusion tube 3, the positioning rod 30 is moved to a position where its upper edge is flush with the liquid level, thereby facilitating quick and accurate readings.

[0036] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent replacements and improvements made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. A split measuring ruler for measuring central venous pressure, characterized in that: The invention comprises a fixing seat (1) arranged on an infusion stand rod body (4), and a measuring ruler (2) plugged into and matched with the fixing seat (1), wherein a groove (18) for placing an infusion tube (3) is provided in the center of the measuring ruler (2), the groove (18) extending along the length direction of the measuring ruler (2), a scale line (14) is provided on one side of the groove (18), a fixing buckle (12) is provided at the top end of the groove (18), and a movable buckle (13) is slidably connected in the groove (18).

2. The split measuring ruler for measuring central venous pressure according to claim 1, characterized in that: The top surface of the fixing seat (1) is provided with a receiving groove (10), the measuring ruler (2) is provided with an inserting portion (11) plugged into and matched with the receiving groove (10), the measuring ruler (2) is provided with a limiting groove (17), the fixing seat (1) is provided with a second sliding groove (15) connected to the receiving groove (10), a limiting plate (16) is slidably connected in the second sliding groove (15), and the limiting plate (16) is used to be inserted into the limiting groove (17) to limit the measuring ruler (2).

3. The split measuring ruler for measuring central venous pressure according to claim 1, characterized in that: The fixing seat (1) comprises a first fixing seat (21) and a second fixing seat (22), the second fixing seat (22) comprising a sleeve (23) sleeved on the rod body (4), and a base (24) arranged at the bottom of the sleeve (23), the base (24) being provided with a recessed portion (7), the recessed portion (7) being provided with a first screw (8) threadedly connected thereto, the end of the first screw (8) being provided with an arc-shaped clamping plate (9), the arc-shaped clamping plate (9) being in contact with the rod body (4) to limit the position of the second fixing seat (22), the first fixing seat (21) being slidably sleeved on the outside of the sleeve (23), the first fixing seat (21) being used for plugging and matching with the measuring ruler (2), the first fixing seat being provided with a second screw (27) threadedly connected thereto, the end of the second screw (27) being in contact with the sleeve (23) to limit the position of the first fixing seat (21).

4. The split measuring ruler for measuring central venous pressure according to claim 1, characterized in that: A slide rail (29) is provided on the other side of the groove (18) along its length direction. The slide rail (29) is slidably connected to a positioning rod (30). The positioning rod (30) is perpendicular to the slide rail (29). One end of the positioning rod (30) is located on one side of the scale line (14). The positioning rod (30) is used for quick reading.

5. The split measuring ruler for measuring central venous pressure according to claim 4, characterized in that: The positioning rod (30) is provided with a positioning member (32), and the positioning member (32) includes a slide rod (33) and a U-shaped frame (36). The U-shaped frame (36) is mounted on a side of the positioning rod (30) away from the measuring ruler (2). The slide rod (33) passes through the back plate of the U-shaped frame (36) and the positioning rod (30). The slide rod (33) located in the U-shaped frame (36) is provided with a baffle (37). The slide rod (33) between the baffle (37) and the back plate of the U-shaped frame (36) is provided with a spring (38). The spring (38) is used to make the end of the slide rod (33) abut against the measuring ruler (2).

6. The split measuring ruler for measuring central venous pressure according to claim 5, characterized in that: The sliding rod (33) is provided with an anti-slip layer (35) at one end close to the measuring ruler (2), and a third hand-held portion (34) at the other end.

7. The split measuring ruler for measuring central venous pressure according to claim 4, characterized in that: The positioning rod (30) adopts a telescopic rod structure.

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