Lifting type fluid control structure of medical pressure sensor

Abstract

The utility model discloses a medical pressure sensor lift type fluid control structure comprising a base body and a pedestal, the base body is arranged on the pedestal, the base body is provided with a first opening, the first opening is arranged above the base body, the periphery of the first opening is provided with a flange, the first opening is connected with a switch valve, the switch valve comprises a valve plug and a valve cover which are matched with each other, and the valve plug is connected with the valve cover. The valve plug is connected with the valve cover in a clamped mode, and the valve cover is buckled on the first opening and connected with the first opening in a buckled mode. Due to the fact that the valve plug and the valve cover move together, the defect that in the prior art, a pouring rubber plug on the lower portion of a valve cover is clamped in the valve cover, and consequently the pouring rubber plug is not prone to lowering down when sealing is needed, and the operation process is affected is overcome. Besides, due to the fact that the valve plug is connected with the valve cover in the clamping mode, the switch valve can be lifted upwards only by pinching the valve cover with fingers, an overlong filling rubber plug does not need to be arranged, and the problem that the filling rubber plug is prone to breakage after being used for a long time or overexerting due to the fact that the filling rubber plug is too long is solved.

Description

Technical Field

[0001] The utility model relates to the technical field of auxiliary medical equipment, in particular to a lifting type fluid control structure of a medical pressure sensor. Background Art

[0002] With the rapid development of science and technology and medicine, human beings have abundant means and measures to treat their own diseases and prolong their lives. Especially in critically ill patients, such as shock patients, heart surgery, organ transplantation, intracranial surgery and other major surgeries, real-time monitoring of blood pressure changes has very important clinical value. Traditional non-invasive blood pressure has low accuracy and large external interference factors, which cannot meet actual needs. This requires the use of invasive blood pressure monitoring technology, such as medical pressure sensors.

[0003] The fluid control structure of the existing pressure sensor is mostly achieved through the injection plug and the valve cover. For example, a "type of invasive pressure sensor" disclosed in the Chinese patent literature, with the announcement number CN202932907U, includes an injection system, a pressure detection system and a pressure connection pipeline, which are connected in sequence through a Luer connector. The injection system is composed of an injection device, an injection plug, a valve cover, a capillary, a base and a bottom cover. The injection plug is made of rubber and has good elasticity. There are horizontal stripes and protrusions on it. Relying on the elastic deformation function of rubber, by giving a certain amount of interference, after assembly, it can meet the functions of sealing the assembly hole and the fast flushing channel. When the upper end of the injection plug is pinched by hand and force is applied to lift it up, the sealed pipeline can be opened to form a fast flushing channel. Although the sealing structure formed by the perfusion plug and the valve cover of the patent has the advantages of being easy to pinch and not easy to slip when force is applied to lift it up, on the one hand, the perfusion plug is too long and is prone to breakage after long-term use or excessive force, and on the other hand, when lifting the rubber perfusion plug, the perfusion plug at the lower part of the valve cover is easily stuck inside the valve cover due to the easy deformation of rubber, making it difficult to lower the perfusion plug when sealing is required, thereby affecting the progress of the operation. Utility Model Content

[0004] Therefore, one purpose of the present invention is to provide a lifting fluid control structure for a medical pressure sensor to solve the problems mentioned in the background technology and overcome the deficiencies in the prior art.

[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0006] A medical pressure sensor pull-up fluid control structure includes a base and a pedestal, wherein the base is arranged on the pedestal, the base is provided with a first opening, the first opening is arranged above the base, a flange is provided around the outside of the first opening, the flange is located at the upper part of the first opening, the first opening is connected with a switch valve, the switch valve includes a matching valve plug and a valve cover, one side of the valve cover is provided with a groove, the groove extends from the center position of the valve cover to the edge of the valve cover, the valve plug is snap-connected with the valve cover, the valve cover is buckled on the first opening and snap-connected with the first opening.

[0007] Furthermore, the valve plug includes a clamp, a connecting rod and a plug body, one end of the connecting rod is connected to the clamp, the plug body is cylindrical, the plug body is provided with a first cavity, and the other end of the connecting rod penetrates into the first cavity and is connected to the bottom end of the plug body.

[0008] Furthermore, the valve cover includes a top and a side, a circular opening is provided in the middle position of the top, the circular opening extends downwardly to form a guide cylinder, a second cavity is formed between the inner surface of the side of the cover body and the guide cylinder, and a groove is provided on one side of the valve cover, the groove extends from the center position of the valve cover to the edge of the valve cover.

[0009] Furthermore, when the valve plug and the valve cover are matched, the connecting rod is located in the guide cylinder, the guide cylinder is located in the first cavity, the plug body is located in the second cavity, and the clamp is located above the top of the valve cover.

[0010] Furthermore, the base is cylindrical, the base is transversely arranged on the base, and a second opening and a third opening are provided on the base, and the second opening and the third opening are respectively arranged at two ends of the base.

[0011] Furthermore, it also includes a three-way valve, the first end of the three-way valve is connected to the second opening of the base, the second end of the three-way valve is connected to a Luer connector, and the top of the three-way valve is provided with a switch.

[0012] Furthermore, a third cavity is provided inside the base, and the third cavity is communicated with the inside of the base.

[0013] Furthermore, it also includes a bottom cover, which is arranged at the bottom of the base, and the bottom cover is connected to the base by a snap-fitting manner, and the bottom cover and the base cooperate to form an assembly hole.

[0014] Furthermore, a micro flow tube is provided in the third opening of the substrate.

[0015] Therefore, the utility model has the following beneficial effects:

[0016] The utility model discloses a medical pressure sensor lifting and pulling fluid control structure, a newly created switch valve structure and a lifting and lowering method to realize the switch function when the fluid passes through the base. Since the valve plug and the valve cover move together, it avoids the defect that the injection rubber plug of the lower part of the valve cover in the prior art is stuck inside the valve cover, resulting in the injection rubber plug being difficult to lower when sealing is required, thus affecting the operation process. In addition, since the valve plug and the valve cover are arranged in a clamping connection, when lifting the switch valve upward, it is only necessary to pinch the valve cover with fingers and lift it upward, without setting an overly long injection rubber plug, thus avoiding the problem that the injection rubber plug is too long and is easy to break after long use or excessive force.

[0017] Additional aspects and advantages of the present invention will be given in part in the following description and in part will become apparent from the following description or will be learned through the practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 This is the assembly structure diagram of the switch valve + base + base of the utility model;

[0019] Figure 2 This is the assembly structure diagram of the base body + base of the utility model;

[0020] Figure 3 This is a schematic diagram of the overall structure of the switch valve of the utility model;

[0021] Figure 4 It is a structural schematic diagram of the valve plug of the utility model;

[0022] Figure 5 It is a structural schematic diagram of the valve cover of the utility model;

[0023] Figure 6 This is a structural schematic diagram of the valve cover of the utility model from another perspective;

[0024] Figure 7 It is a structural schematic diagram of the three-way valve of the utility model;

[0025] Figure 8 It is a structural schematic diagram of the Luer connector of the utility model;

[0026] Fig. 9 This is a cross-sectional view of the switch valve + base + base of the utility model;

[0027] Fig.10 The utility model is a schematic diagram of the overall structure of a lifting type fluid control structure of a medical pressure sensor.

[0028] In the figure: 1, base; 2, base; 3, first opening; 4, flange; 5, valve plug; 6, valve cover; 7, slot; 8, clamp; 9, connecting rod; 10, plug body; 11, first cavity; 12, top; 13, side; 14, circular opening; 15, guide cylinder; 16, second cavity; 17, second opening; 18, third opening; 19, three-way valve; 20, first end of three-way valve; 21, second end of three-way valve; 22, switch; 23, third cavity; 24, bottom cover; 25, assembly hole; 26, Luer connector; 27, clamp block; 28, micro flow tube; 29, protrusion. DETAILED DESCRIPTION

[0029] The embodiments of the present invention are described in detail below, and examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are intended to be used to explain the present invention, and should not be construed as limiting the present invention.

[0030] In the present invention, unless otherwise clearly specified and limited, the terms "install", "connect", "connect", "fix" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be an indirect connection through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0031] like Figure 1-Figure 10 As shown, a medical pressure sensor pull-type fluid control structure includes a substrate 1 and a base 2. The substrate 1 is arranged on the base 2. The substrate 1 is provided with a first opening 3, and the first opening 3 is arranged at an upper position of the substrate 1. A flange 4 is provided around the first opening 3. The first opening 3 is connected with a switch valve. The switch valve includes a matching valve plug 5 and a valve cover 6. A groove 7 is provided on one side of the valve cover 6. The groove 7 extends from the center position of the valve cover 6 to the edge of the valve cover 6. A clamping block 27 is provided below the inner surface of the valve cover 6. The valve plug 5 is clamped with the valve cover 6. The valve cover 6 is buckled on the first opening 3 and is clamped with the first opening 3.

[0032] The utility model discloses a medical pressure sensor lifting fluid control structure, a newly created switch valve structure and an up and down pulling method to realize the switch function when the fluid passes through the base 1. Since the valve plug 5 and the valve cover 6 move together, it avoids the defect that the injection plug at the lower part of the valve cover in the prior art is stuck inside the valve cover, resulting in the injection plug being difficult to lower when sealing is required, thereby affecting the operation process.

[0033] As an implementation method, Figure 6As shown, there are two clamping blocks 27 , and the two clamping blocks 27 are arranged opposite to each other below the inner surface of the side portion 13 of the valve cover 6 .

[0034] As an implementation manner, there may be three clamping blocks 27 , and the three clamping blocks 27 are evenly distributed below the inner surface of the side portion 13 of the valve cover 6 .

[0035] As an implementation manner, there are four clamping blocks 27 , and the four clamping blocks 27 are evenly distributed below the inner surface of the side portion 13 of the valve cover 6 .

[0036] That is to say, the number of blocks 27 can be selectively set according to actual needs. The utility model does not impose specific restrictions on the number of blocks 27. Any number of blocks 27 that can be used to lift the valve plug 5 when the sealed pipeline needs to be opened, and the valve plug 5 drives the valve cover 6 to move upward, and the block 27 at the bottom of the valve cover 6 moves to the flange 4 of the first opening 3 and can be stuck, are all within the protection scope of the utility model.

[0037] The valve plug 5 is inserted into the valve cover 6 through the groove opened on the side of the valve cover 6, and then assembled on the base 1. The valve cover 6 and the base 1 are connected as a snap connection. After the valve cover 6 is installed in the base 1, it can be pulled up and down. Lifting the valve cover 6 drives the valve body to move, thereby realizing the switching function when the fluid passes through the base 1.

[0038] like Figure 3 As shown, the valve plug 5 includes a clamp 8, a connecting rod 9 and a plug body 10. One end of the connecting rod 9 is connected to the clamp 8. The plug body 10 is cylindrical and is provided with a first cavity 11. The other end of the connecting rod 9 penetrates into the first cavity 11 and is connected to the bottom end of the plug body 10.

[0039] Specifically, Figure 4 As shown, the clamping head 8 is a round protrusion, which is convenient for pinching the protrusion with fingers and lifting it upward.

[0040] As an embodiment, the clamp 8, the connecting rod 9 and the plug body 10 are integrated.

[0041] like Figure 3 and Figure 4 As shown, since the valve plug 5 and the valve cover 6 are connected by a clamping arrangement, when lifting the switch valve upward, it is only necessary to pinch the valve cover 6 with fingers and lift it upward to drive the valve body, and there is no need to set an excessively long injection plug, thereby avoiding the problem that the injection plug is too long and is easy to break after long use or excessive force.

[0042] like Figure 5 and Figure 6As shown, the valve cover 6 includes a top 12 and a side 13, a circular opening 14 is provided in the middle of the top 12, the circular opening 14 extends downwardly to form a guide cylinder 15, a second cavity 16 is formed between the inner surface of the side 13 of the cover and the guide cylinder 15, and a groove 7 is provided on one side of the valve cover 6, the groove 7 extends from the center of the valve cover 6 to the edge of the valve cover 6.

[0043] When the valve plug 5 and the valve cover 6 are matched, the connecting rod 9 is located in the guide cylinder 15 , the guide cylinder 15 is located in the first cavity 11 , the plug body 10 is located in the second cavity 16 , and the clamp 8 is located above the top 12 of the valve cover 6 .

[0044] like Figure 1 and Figure 2 As shown, the base 1 is cylindrical and is transversely arranged on the base 2. The base 1 is provided with a second opening 17 and a third opening 18, which are respectively arranged at two ends of the base 1.

[0045] The second opening 17 is used to be connected to a three-way valve 19, and the third opening 18 is used to be connected to a syringe of a medical pressure sensor, which is not shown in the figure.

[0046] like Figure 7 He Ru Fig.10 As shown, it also includes a three-way valve 19 , a first end 20 of the three-way valve is connected to the second opening 17 of the base 1 , a second end 21 of the three-way valve is connected to a Luer connector 26 , and a switch 22 is provided at the top 12 of the three-way valve 19 .

[0047] The three-way valve 19 and the base 1 are in buckle position, and are pressed into the buckle position during assembly. The protrusion 29 of the three-way valve 19 is used to limit the direction and angle of pressing into the base 1.

[0048] The structure of the Luer connector 26 is as follows Figure 8 As shown, since the Luer connector 26 is an existing mature component, the present invention will not further describe the structure of the Luer connector 26.

[0049] like Fig. 9 As shown, a third cavity 23 is provided inside the base 2 , and the third cavity 23 is communicated with the inside of the base 1 .

[0050] like Figure 1 , Figure 2 and Fig. 9 As shown, it also includes a bottom cover 24, which is arranged at the bottom of the base 2. The bottom cover 24 is connected to the base 2 by snapping, and the bottom cover 24 and the base 2 cooperate to form an assembly hole 25. The base 2 and the bottom cover 24 are fixed by snapping at both sides.

[0051] The assembly hole 25 is used to connect the pressure extension tube of the pressure detection system, and the pressure detection system and the pressure extension tube are not shown in the figure.

[0052] like Fig. 9 As shown, a micro flow tube 28 is disposed in the third opening 18 of the base 1. The inner cavity of the micro flow tube 28 is used to pass physiological saline and other clinically used liquids. The micro flow tube 28 is placed in the base 2 and fixed to the base 1 by interference fit between the side wall of the micro flow tube 28 and the base 1.

[0053] The utility model discloses a lifting-type fluid control structure of a medical pressure sensor. When it is necessary to open the sealed pipeline, the valve plug 5 is lifted upward, and the valve plug 5 drives the valve cover 6 to move upward together. When the clamping block 27 at the bottom of the valve cover 6 moves to the flange 4 of the first opening 3, it is stuck, and the valve plug 5 and the valve cover 6 can no longer be lifted upward. At this time, the sealed pipeline is completely opened; when it is necessary to seal the pipeline, the pulling force is removed, or a downward pressure is applied to the valve plug 5, and the valve plug 5 and the valve cover 6 move downward together until the plug body 10 of the valve plug 5 completely seals the pipeline. The present application realizes the switching function when the fluid passes through the substrate 1 through the newly created switch valve structure and the up and down pulling method.

[0054] The utility model discloses a medical pressure sensor lifting type fluid control structure, a newly created switch valve structure and an up and down pulling method to realize the switch function when the fluid passes through the base body. Since the valve plug and the valve cover move together, it avoids the defect of the prior art that the perfusion plug at the lower part of the valve cover is stuck inside the valve cover, resulting in the perfusion plug being difficult to lower when sealing is required, thereby affecting the operation process.

[0055] The utility model discloses a lifting-type fluid control structure of a medical pressure sensor. Since the valve plug and the valve cover are clamped together, when lifting the switch valve upward, it is only necessary to pinch the valve cover with fingers and lift it upward, without setting an overly long perfusion plug, thus avoiding the problem of the perfusion plug being too long and easily breaking after long use or excessive force.

[0056] In the description of this specification, the description with reference to the terms "one embodiment", "some embodiments", "example", "specific example", or "some examples" means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the utility model. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0057] It is not difficult for those skilled in the art to understand that the utility model includes any combination of the utility model content and the specific implementation method part of the above specification and the various parts shown in the drawings. Due to the limited space and to make the specification concise, the various schemes composed of these combinations are not described one by one. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

[0058] Although the embodiments of the present invention have been shown and described above, it is understood that the above embodiments are exemplary and cannot be understood as limiting the present invention. Those skilled in the art can change, modify, replace and modify the above embodiments within the scope of the present invention without departing from the principles and purpose of the present invention. The scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A medical pressure sensor pull-type fluid control structure, comprising a base and a base, wherein the base is arranged on the base, the base is provided with a first opening, and the first opening is arranged above the base, characterized in that: A flange is provided around the first opening, and the first opening is connected to a switch valve, and the switch valve includes a matching valve plug and a valve cover. A groove is provided on one side of the valve cover, and the groove extends from the center position of the valve cover to the edge of the valve cover. A clamping block is provided below the inner surface of the valve cover, and the valve plug is clamped with the valve cover. The valve cover is buckled on the first opening and is clamped with the first opening.

2. A medical pressure sensor pull-type fluid control structure according to claim 1, characterized in that: The valve plug includes a clamp, a connecting rod and a plug body, one end of the connecting rod is connected to the clamp, the plug body is cylindrical, the plug body is provided with a first cavity, and the other end of the connecting rod penetrates into the first cavity and is connected to the bottom end of the plug body.

3. A medical pressure sensor lifting fluid control structure according to claim 2, characterized in that: The valve cover comprises a top and a side, a circular opening is provided in the middle of the top, the circular opening extends below the valve cover to form a guide cylinder, and a second cavity is formed between the inner surface of the side of the valve cover and the guide cylinder.

4. A medical pressure sensor lifting fluid control structure according to claim 3, characterized in that: When the valve plug and the valve cover are matched, the connecting rod is located in the guide cylinder, the guide cylinder is located in the first cavity, the plug body is located in the second cavity, and the clamp is located above the top of the valve cover.

5. A medical pressure sensor pull-type fluid control structure according to any one of claims 1 to 4, characterized in that: The base is cylindrical and is transversely arranged on the base. A second opening and a third opening are arranged on the base. The second opening and the third opening are respectively arranged at two ends of the base.

6. A medical pressure sensor pull-type fluid control structure according to claim 5, characterized in that: It also includes a three-way valve, a first end of which is connected to the second opening of the base, a second end of which is connected to a Luer connector, and a switch is provided on the top of the three-way valve.

7. The medical pressure sensor lifting fluid control structure according to claim 5, characterized in that: A third cavity is provided inside the base, and the third cavity is communicated with the inside of the base.

8. The medical pressure sensor pull-type fluid control structure according to claim 1, characterized in that: It also includes a bottom cover, which is arranged at the bottom of the base. The bottom cover is connected to the base by a snap-fitting manner, and the bottom cover and the base cooperate to form an assembly hole.

9. The medical pressure sensor lifting fluid control structure according to claim 5, characterized in that: A micro flow tube is arranged in the third opening of the substrate.

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