CN213312397U

CN213312397U - Infusion apparatus for measuring central venous pressure

Info

Publication number: CN213312397U
Application number: CN202021154367.6U
Authority: CN
Inventors: 李萍
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-06-20
Filing date: 2020-06-20
Publication date: 2021-06-01
Anticipated expiration: 2030-06-20

Abstract

The utility model discloses a measure transfusion system of central venous pressure relates to medical technical field. This measure transfusion system of central venous pressure, including the infusion hose, the left side surface of infusion hose is close to the top intercommunication and has a coupling hose, and the right side surface of infusion hose is close to the top intercommunication and has flexible pipe, and the left side surface of infusion hose is close to the same intercommunication of bottom and has flexible pipe, and the right side surface of infusion hose is close to the same intercommunication of bottom and has a coupling hose, and the equal slip of inside of two coupling hoses inlays and is equipped with the slip hose. This measurement center venous pressure's transfusion system through the flexible pipe at pulling infusion hose top, unscrews the inside that sealed lid back made the air get into the infusion hose through slip hose and air hole, when needs discharge the air, the flexible pipe of pulling infusion tube bottom, then the flexible pipe at reverse promotion infusion tube top, alright discharge the air, make the operation more convenient, and need not to infuse like hose and medicine bottle separation.

Description

Infusion apparatus for measuring central venous pressure

Technical Field

The utility model relates to the technical field of medical treatment, specifically be an infusion apparatus of measurement center venous pressure.

Background

The Central Venous Pressure (CVP) is the pressure of the upper and lower vena cava entering the right atrium, reflects the pressure of the right atrium, is one of the main indexes of clinical observation hemodynamics, is influenced by three factors of cardiac function, circulating blood volume and vascular tension, the blood pressure of the great veins in the right atrium and the thoracic cavity is generally called the central venous pressure, the CVP is measured to be significant to knowing the effective circulating blood volume and the cardiac function, the normal value is 0.05-0.12 Kpa (5-12 cmH2O), when the CVP is measured at present, an infusion apparatus is required to be firstly tied on a graduated infusion support, so that the Murphy's tube of the infusion apparatus is filled with one-half to two-thirds of liquid, then a conical connector of the infusion apparatus is separated from the infusion bottle, the conical connector is communicated with the air, the liquid in the tube is dripped into the human body by the atmospheric pressure and the gravity, and when the liquid does not drip, the staying graduation is the pressure of the central vein connected with the infusion apparatus, however, the operation is troublesome, air cannot be discharged well, and if the air directly enters the dropper, no filtering measure is provided, so that germs in a hospital can be carried into the infusion hose due to the fact that a large amount of air enters the dropper, and certain potential safety hazards are caused.

SUMMERY OF THE UTILITY MODEL

The utility model provides a measurement center venous pressure's transfusion system, when measurement center venous pressure, can make things convenient for getting into and discharging of air to can prevent that the virus in the air of hospital from getting into in the infusion hose, improve the practicality of transfusion system, security when also having strengthened the transfusion system and measuring central venous pressure.

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: an infusion apparatus for measuring central venous pressure comprises infusion hoses, wherein the outer surface of the left side of each infusion hose is communicated with a connecting hose close to the top, the outer surface of the right side of each infusion hose is communicated with telescopic pipes close to the top, the outer surface of the left side of each infusion hose is also communicated with telescopic pipes close to the bottom, the outer surface of the right side of each infusion hose is also communicated with a connecting hose close to the bottom, sliding hoses are embedded in the connecting hoses in a sliding mode, infusion holes are formed in the top surfaces and the bottom surfaces of the two sliding hoses close to one side, an air hole is formed in the bottom surface of the sliding hose, an air hole is formed in the top surface of the sliding hose, one end of each sliding hose extends into the two telescopic pipes respectively, the edge of the outer surface of each sliding hose close to one side is fixedly connected with the edge of the inner surface wall of each telescopic, and a hollow pipe is embedded between the inner surface walls of the two sliding hoses and close to one side edge, a sealing cover is sleeved on the outer surface of one side of each of the two telescopic pipes in a rotating mode, the outer surface of each of the two telescopic pipes is communicated with a Murphy dropper close to the top, the bottom of each of the two telescopic pipes is communicated with an injection needle, and a dial gauge is arranged on the outer surface of each of the two telescopic pipes close to the bottom.

In order to adjust the flow velocity of the liquid medicine in the infusion hose, as the utility model relates to a measure the infusion apparatus of central venous pressure preferred, the surface of infusion hose is close to the sliding sleeve of mid portion and is equipped with the velocity of flow regulator.

In order to prevent that the transfusion system from causing accidental injury to the human body when not using, the injection just makes the syringe needle keep sterile state before using, as the utility model relates to a measure preferred of transfusion system of central venous pressure, the surface slip cover of syringe needle is equipped with the syringe needle and protects the cap.

For convenient infusion, the injector is communicated with the medicine bottle to conduct infusion, and the infusion apparatus for measuring the central venous pressure of the utility model is preferred, and the top of the infusion hose is fixedly connected with a bottle stopper puncture outfit.

In order to inject the gliding position of sliding tube, conduct the utility model relates to a measure infusion apparatus of central venous pressure is preferred, two be close to the sealed spacing of mid portion all along circumferencial direction fixedly connected with between the interior table wall of coupling hose.

In order to prevent virus in the air of a hospital from entering the infusion hose when the sealing cover is opened, the utility model relates to an infusion apparatus for measuring the central venous pressure is preferable, two the inside of the hollow tube is adhered with an air filter screen.

The utility model provides a transfusion system for measuring central venous pressure. The method has the following beneficial effects:

(1) this measure transfusion system of central venous pressure through the flexible pipe at pulling infusion hose top, unscrews the inside that makes the air get into the infusion hose through slip hose and air hole behind the sealed lid, when needs discharge the air, the flexible pipe of pulling transfer line bottom, then the flexible pipe at reverse promotion transfer line top, alright discharge the air, make the operation more convenient, and need not to infuse like hose and medicine bottle separation.

(2) This survey transfusion system of central venous pressure, the inside of two sliding tubes all is provided with airstrainer, can filter the virus in the air, prevents that the virus from getting into the inside of infusion hose, has strengthened the transfusion system to the measuring security of central venous pressure.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a front view of the present invention;

FIG. 3 is a partial top cross-sectional view of the connection hose, extension tube and sliding hose of the present invention;

fig. 4 is a side sectional view of the connection hose, the telescopic tube and the sliding hose according to the present invention.

In the figure: 1. a flexible infusion tube; 2. a bottle stopper puncture outfit; 3. a connecting hose; 4. a Murphy dropper; 5. a flow rate regulator; 6. an injection needle; 7. a needle head protective cap; 8. a sealing cover; 9. a telescopic pipe; 10. a sliding hose; 11. sealing the limit strips; 12. a transfusion hole; 13. a hollow tube; 14. an air filter screen; 15. an air hole; 16. and (4) a scale table.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: an infusion apparatus for measuring central venous pressure comprises an infusion hose 1, wherein the outer surface of the left side of the infusion hose 1 is communicated with a connecting hose 3 close to the top, the outer surface of the right side of the infusion hose 1 is communicated with a telescopic pipe 9 close to the top, the outer surface of the left side of the infusion hose 1 is also communicated with a telescopic pipe 9 close to the bottom, the outer surface of the right side of the infusion hose 1 is also communicated with a connecting hose 3 close to the bottom, sliding hoses 10 are respectively embedded in the two connecting hoses 3 in a sliding manner, infusion holes 12 are respectively formed in the top surface and the bottom surface of the two sliding hoses 10 close to one side, an air hole 15 is formed in the bottom surface of one sliding hose 10, an air hole 15 is also formed in the top surface of the other sliding hose 10, one ends of the two sliding hoses 10 respectively extend into the two telescopic pipes 9, and the outer surfaces of the two sliding hoses 10 close to, and a hollow pipe 13 is slidably embedded between the inner surface walls of the two sliding hoses 10 near one side edge, the outer surfaces of one sides of the two telescopic pipes 9 are rotatably sleeved with sealing covers 8, the outer surface of the transfusion hose 1 near the top is communicated with a Murphy's dropper 4, the bottom of the transfusion hose 1 is communicated with a syringe needle 6, and the outer surface of the transfusion hose 1 near the bottom is provided with a dial gauge 16.

In this embodiment: the extension tube 9 can be fixed after being pulled open, and after the extension tube 9 is pushed in, the extension tube 9 can also be automatically fixed, can not automatically stretch out and draw back under the action of no external force, the connecting hose 3 can lead the sliding hose 10 to be embedded inside in a sliding way, the transfusion hole 12 is matched with the inside of the transfusion hose 1, can ensure that the transfusion device can carry out normal transfusion, the air hole 15 is matched with the inner part of the transfusion hose 1, air can enter the infusion hose 1 through the sliding hose 10 and the air hole 15, the inner surface wall of the sealing cover 8 is provided with internal threads along the circumferential direction, the outer surface of one side of the extension tube 9 is provided with external threads along the circumferential direction, so that the sealing cover 8 can be rotatably sleeved on the outer surface of the extension tube 9 through the threads, after air enters the interior of the infusion hose 1 and stays, the venous pressure can be read through a dial gauge 16 arranged on the outer surface of the infusion hose 1.

Specifically, the outer surface of the infusion hose 1 is slidably sleeved with a flow rate regulator 5 near the middle part.

In this embodiment: the flow rate of the liquid medicine in the infusion hose 1 can be adjusted through the flow rate adjuster 5, friction force exists between the inside of the flow rate adjuster 5 and the outer surface of the infusion hose 1, the flow rate adjuster 5 is fixed on the infusion hose 1 through the friction force, and the position of the flow rate adjuster 5 can be adjusted through pushing.

Specifically, the outer surface of the injection needle 6 is slidably sleeved with a needle head protective cap 7.

In this embodiment: the needle head protective cap 7 can seal the injection needle 6, and prevent the injection needle 6 from causing accidental injury to human bodies when not in use.

Specifically, the top of the transfusion hose 1 is fixedly connected with a bottle stopper puncture outfit 2.

In this embodiment: the infusion tube 1 is communicated with the medicine bottle through the bottle stopper puncture outfit 2.

Specifically, a sealing limiting strip 11 is fixedly connected between the inner surface walls of the two connecting hoses 3 close to the middle part along the circumferential direction.

In this embodiment: the sliding hose 10 has a thick end, and the thick end of the sliding hose 10 cannot pass through the sealing stopper strip 11 due to the sealing stopper strip 11, so that the position of the sliding hose 10 can be limited.

Specifically, an air filter 14 is adhered to the inside of each of the two hollow pipes 13.

In this embodiment: the air filter 14 prevents viruses in the air of the hospital from entering the inside of the infusion hose 1.

When the device is used, when the central venous pressure of a patient needs to be measured, the patient lies down, the device is inserted into a medicine bottle through a bottle stopper puncture outfit 2, an infusion hose 1 is connected with the medicine bottle, a Murphy dropper 4 is pinched to enable medicine water to flow into the infusion hose 1, a needle head protective cap 7 is taken down, when the medicine water flows out of an injection needle 6, the injection needle 6 is penetrated into the body of the patient, when the measurement is carried out, an extension tube 9 at the top of the infusion hose 1 is pulled, the extension tube 9 drives a sliding hose 10 to move, an infusion hole 12 which is matched and communicated with the interior of the infusion hose 1 gradually moves until the left end of the sliding hose 10 is clamped at the position of a sealing limit strip 11, the top of the sliding hose 10 seals the interior of the infusion hose 1, the medicine water does not flow downwards any more, an air hole 15 at the bottom of the sliding hose 10 is communicated with the interior of the infusion hose, air enters the infusion hose 1 after being filtered by the air filter 14, when liquid medicine in the infusion hose 1 does not flow downwards any more, the central venous pressure of a patient at the moment is read by the dial gauge 16, then the hollow tube 13 is pulled, the air filter 14 is taken out and then the sealing cover 8 is covered, then the extension tube 9 at the top of the infusion hose 1 is pushed reversely, the extension tube 9 drives the sliding hose 10 to move until the infusion hole 12 in the sliding hose 10 is superposed with the inside of the infusion hose 1, so that the liquid medicine can flow, then the extension tube 9 at the bottom of the infusion hose 1 is pulled, the extension tube 9 drives the sliding hose 10 to move, so that the bottom of the sliding hose 10 seals the inside of the infusion hose 1, at the moment, the air hole 15 at the top of the sliding hose 10 is superposed with the inside of the infusion hose 1, after the sealing cover 8 is opened, the liquid medicine is pressed to discharge the air from, after the air is completely discharged, the hollow tube 13 is taken out to take out the air filter screen 14, then the sealing cover 8 is covered, the telescopic tube 9 is pushed reversely to enable the infusion hole 12 on the sliding hose 10 to coincide with the inside of the infusion hose 1, so that the infusion can be continued, and the infusion apparatus can measure the central venous pressure more conveniently and safely.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a measure transfusion system of central venous pressure, includes infusion hose (1), its characterized in that: the outer surface of the left side of the infusion hose (1) is communicated with a connecting hose (3) close to the top, the outer surface of the right side of the infusion hose (1) is communicated with a telescopic pipe (9) close to the top, the outer surface of the left side of the infusion hose (1) is communicated with a telescopic pipe (9) close to the bottom, the outer surface of the right side of the infusion hose (1) is communicated with a connecting hose (3) close to the bottom, two sliding hoses (10) are embedded in the connecting hose (3) in a sliding mode, infusion holes (12) are formed in the inner top surface and the bottom surface of the two sliding hoses (10) close to one side, an air hole (15) is formed in the inner bottom surface of one sliding hose (10), an air hole (15) is formed in the inner top surface of the other sliding hose (10) in a sliding mode, and one end of the two sliding hoses (, and the surface of two slip hoses (10) is close to a side edge and is close to a side edge fixed connection with the interior table wall of two flexible pipes (9) respectively to be close to a side edge and all slide between the interior table wall of two slip hoses (10) and inlay and be equipped with hollow tube (13), two the one side surface of flexible pipe (9) all rotates the cover and is equipped with sealed lid (8), the surface of infusion hose (1) is close to top intercommunication and has ink phenanthrene formula burette (4), the bottom intercommunication of infusion hose (1) has syringe needle (6), the surface of infusion hose (1) is close to the bottom and is provided with graduation apparatus (16).

2. An infusion set for measuring central venous pressure according to claim 1, characterised in that: the outer surface of the infusion hose (1) is slidably sleeved with a flow rate regulator (5) close to the middle part.

3. An infusion set for measuring central venous pressure according to claim 2, characterised in that: the outer surface of the injection needle (6) is slidably sleeved with a needle head protective cap (7).

4. An infusion set for measuring central venous pressure according to claim 3, characterised in that: the top of the transfusion hose (1) is fixedly connected with a bottle stopper puncture outfit (2).

5. An infusion set for measuring central venous pressure according to claim 4, characterised in that: and a sealing limiting strip (11) is fixedly connected between the inner surface walls of the two connecting hoses (3) and close to the middle part along the circumferential direction.

6. An infusion set for measuring central venous pressure according to claim 5, characterised in that: air filter screens (14) are adhered to the interiors of the two hollow pipes (13).