CN118846292A - A heating and speed-measuring infusion port - Google Patents

Abstract

A heatable and speed-measuring infusion port includes: an infusion port base, an infusion port diaphragm, an infusion catheter, a heating module, a flow guide module, a power receiving coil, a rechargeable battery and a control module; the heating module, the power receiving coil and the rechargeable battery are all electrically connected to the control module; the heating module is used to heat the injected liquid; a flow rate detection structure is provided inside the flow guide module for measuring the flow rate of the injected liquid. The heatable and speed-measuring arterial infusion port provides a liquid channel while integrating measurement functions such as heating and speed measurement, and multi-dimensional detection information to ensure the stability and safety of the infusion process.

Description

A heating and speed-measuring infusion port

Technical Field

The present invention relates to the field of infusion ports, and in particular to a temperature-controlled and speed-measuring infusion port.

Background Art

The infusion port in the prior art only has the function of liquid delivery, but cannot heat the delivered liquid, nor can it detect the flow rate and pressure information of the delivered liquid. On the one hand, it is not convenient for doctors and patients to monitor the delivered liquid in real time, and on the other hand, improper liquid temperature may cause discomfort or harm to the patient. Therefore, under the premise of ensuring the delivery of liquid by the infusion port, integrating the functions of liquid heating, flow rate measurement and pressure measurement is a technical problem that needs to be solved urgently.

Summary of the invention

In view of the above technical problems, the present invention provides a heatable and speed-measuring infusion port, comprising: an infusion port base, an infusion port diaphragm, an infusion catheter, a heating module, a flow guide module, a power receiving coil, a rechargeable battery and a control module;

The infusion port base includes a hollow cylinder, a hollow truncated cone, a sealing groove, a lead hole, a first guide hole and a second guide hole; the top surfaces of the hollow cylinder and the hollow truncated cone are both provided with openings, and the hollow truncated cone is sleeved on the outside of the hollow cylinder; the top of the hollow cylinder is provided with an annular sealing groove, and the infusion port diaphragm is sealed and connected to the sealing groove; the bottom of the hollow cylinder is provided with the lead hole; the side wall of the hollow truncated cone close to the bottom is provided with the first guide hole, and the side wall of the hollow truncated cone is provided with the second guide hole, and the first guide hole and the second guide hole are concentrically arranged;

The area enclosed by the infusion port diaphragm and the hollow cylinder is the first cavity, and the area enclosed by the hollow cylinder and the hollow truncated cone is the second cavity; the heating module and the flow guide module are sequentially arranged in the first cavity from top to bottom, one end of the flow guide module is connected to the heating module, and the other end passes through the first guide hole and the second guide hole in sequence and is connected to the infusion catheter; the flow guide module is sealed and connected to the first guide hole and the second guide hole; the power receiving coil, the rechargeable battery and the control module are arranged in the second cavity;

The heating module, the power receiving coil and the rechargeable battery are all electrically connected to the control module; the heating module is used to heat the injected liquid; and a flow rate detection structure is provided inside the flow guide module for measuring the flow rate of the injected liquid.

Optionally, the heating module includes a circular top plate, a liquid injection hole, a circular bottom plate, a heating ring, a liquid outlet hole and a heating resistance wire;

A circular groove is arranged on the upper side of the circular bottom plate, and the heating coil is arranged inside the circular groove; the heating coil is a vortex structure, the height of the heating coil is the same as the depth of the circular groove, the circular top plate is the same size as the circular bottom plate and is sealedly connected; the liquid injection hole is arranged in the middle of the circular top plate, and the circular bottom plate is provided with the liquid outlet hole, and the liquid outlet hole is located at the outer ring edge of the heating coil.

Optionally, the flow guiding module includes a first flow guiding pipe, a flow velocity detection structure and a second flow guiding pipe;

An opening is provided at the top of one end of the first flow guide tube, and the opening is connected to the liquid outlet hole; the other end of the first flow guide tube is connected to the flow velocity detection structure, and the other end of the flow velocity detection structure is connected to the second flow guide tube, and the second flow guide tube is connected to the infusion catheter.

Optionally, the flow velocity detection structure includes a rotor, a rotor guide rod, a flow velocity detection pipe, and a rotor accommodating portion; the rotor accommodating portion is arranged on the outer wall of the flow velocity detection pipe and is connected to the flow velocity detection pipe, and the rotor accommodating portion and the flow velocity detection pipe form an integral T-shaped structure; the rotor is rotatably sleeved on the outside of the rotor guide rod; the rotor guide rod is arranged inside the rotor accommodating portion, and a plurality of fan blades are arranged on the rotor, and gaps are arranged between the fan blades and the flow velocity detection pipe and the rotor accommodating portion, and the fan blades rotate under the action of the fluid; the rotor accommodating portion is made of transparent material, and coaxially arranged emitting elements and detecting elements are arranged on both sides of the rotor accommodating portion, the emitting element is used to emit indication light, and the detecting element is used to receive indication light.

Optionally, a through hole is provided at one end of the first flow guide tube close to the top where the opening is provided, a pressure-sensitive diaphragm is sealed inside the through hole, and a strain resistor and a thermistor are provided on the pressure-sensitive diaphragm.

Optionally, the infusion port is used to inject fluid into an artery or vein.

Optionally, the control module includes a wireless transmission module, and the wireless transmission module is used to transmit the detected temperature, flow rate and pressure information to the mobile terminal.

Optionally, the infusion port diaphragm includes an arcuate diaphragm and an annular sealing platform, the arcuate diaphragm seal is arranged in the middle of the annular sealing platform and protrudes outward, and a connecting ring matching the sealing groove is arranged at the bottom of the annular sealing platform.

Compared with the prior art, the present invention has achieved the following technical effects:

1. The heated and speed-measuring infusion port integrates heating, speed measurement, and pressure measurement functions while providing a liquid channel. Multi-dimensional detection information ensures the stability and safety of the infusion process. The infusion port rationally plans the integrated space, integrates multiple components into one, and improves space utilization.

2. The heating module is effectively isolated from the rechargeable battery and the control module by separately setting the first cavity and the second cavity. A flow guide module is also provided between the heating module and the control module to further increase the distance between them to prevent the rechargeable battery and the control module from being too close and causing the temperature to be too high, thereby improving the service life of the device.

3. The flow guide module is set at the rear of the heating module. It can turn on the heating function when it detects that fluid is passing or the flow rate meets the specified threshold or the pressure meets the specified threshold, thereby improving the safety of device operation and preventing device damage caused by empty heating.

BRIEF DESCRIPTION OF THE DRAWINGS

FIG1 is a schematic diagram of the structure of a heatable and speed-measuring infusion port provided by one embodiment of the present invention;

FIG2 is a cross-sectional view of a heatable and speed-measuring infusion port and a schematic diagram of its exploded structure according to an embodiment of the present invention;

FIG3 is a schematic structural diagram of an infusion port base in a heatable and speed-measuring infusion port provided by an embodiment of the present invention;

FIG4 is a schematic diagram of the structure of a diaphragm of an infusion port in a heatable and speed-measuring infusion port provided by an embodiment of the present invention;

FIG5 is a schematic diagram of the structure of a heating module in a heatable and speed-measuring infusion port provided by an embodiment of the present invention;

FIG6 is a schematic structural diagram of a flow guide module in a heatable and speed-measuring infusion port provided by an embodiment of the present invention;

FIG. 7 is a schematic diagram of a flow velocity detection structure in a heatable velocity measurement infusion port according to an embodiment of the present invention;

FIG8 is a schematic diagram of the flow direction of liquid injected into a heatable and speed-measuring infusion port provided in accordance with an embodiment of the present invention.

The realization of the purpose, functional features and advantages of the present invention will be further explained in conjunction with embodiments and with reference to the accompanying drawings.

DETAILED DESCRIPTION

It should be understood that the specific embodiments described herein are only used to explain the present invention, and are not used to limit the present invention.

As shown in FIGS. 1-8 , an embodiment of the present invention provides a heatable and speed-measuring infusion port, comprising: an infusion port base 1, an infusion port diaphragm 2, an infusion catheter 3, a heating module 4, a flow guide module 5, a power receiving coil 6, a rechargeable battery 7, and a control module 8;

The infusion port base 1 includes a hollow cylinder 11, a hollow cone 12, a sealing groove 13, a lead hole 14, a first guide hole 15 and a second guide hole 16; the top surfaces of the hollow cylinder 11 and the hollow cone 12 are both provided with openings, and the hollow cone 12 is sleeved on the outside of the hollow cylinder 11; the top of the hollow cylinder 11 is provided with an annular sealing groove 13, and the infusion port diaphragm 2 is sealed and connected to the sealing groove 13; the bottom of the hollow cylinder 11 is provided with the lead hole 14; the side wall of the hollow cone 12 close to the bottom is provided with the first guide hole 15, and the side wall of the hollow cone 12 is provided with the second guide hole 16, and the first guide hole 15 and the second guide hole 16 are concentrically arranged;

The area enclosed by the infusion port diaphragm 2 and the hollow cylinder 11 is the first cavity, and the area enclosed by the hollow cylinder 11 and the hollow truncated cone 12 is the second cavity; the heating module 4 and the flow guide module 5 are sequentially arranged in the first cavity from top to bottom, one end of the flow guide module 5 is connected to the heating module 4, and the other end passes through the first guide hole 15 and the second guide hole 16 in sequence and is connected to the infusion catheter 3; the flow guide module 5 is sealed and connected to the first guide hole 15 and the second guide hole 16; the power receiving coil 6, the rechargeable battery 7 and the control module 8 are arranged in the second cavity;

The heating module 4, the power receiving coil 6 and the rechargeable battery 7 are all electrically connected to the control module 8; the heating module 4 is used to heat the injected liquid; the flow guide module 5 is internally provided with a flow rate detection structure 52 for measuring the flow rate of the injected liquid.

Optionally, the heating module 4 includes a circular top plate 41, a liquid injection hole 42, a circular bottom plate 43, a heating ring 44, a liquid outlet hole 45 and a heating resistance wire 46;

A circular groove is arranged on the upper side of the circular bottom plate 43, and the heating coil 44 is arranged inside the circular groove; the heating coil 44 is a vortex structure, and the height of the heating coil 44 is the same as the depth of the circular groove; the circular top plate 41 has the same size as the circular bottom plate 43 and is sealedly connected; the liquid injection hole 42 is arranged in the middle of the circular top plate 41, and the circular bottom plate 43 is provided with the liquid outlet hole 45, and the liquid outlet hole 45 is located at the outer edge of the heating coil 44.

Optionally, the heating coil 44 is internally provided with the heating resistance wire 46 matching its shape.

Optionally, the flow guiding module 5 includes a first flow guiding pipe 51, a flow velocity detection structure 52 and a second flow guiding pipe 53;

An opening is provided at the top of one end of the first flow guide tube 51, and the opening is connected to the liquid outlet hole 45; the other end of the first flow guide tube 51 is connected to the flow velocity detection structure 52, and the other end of the flow velocity detection structure 52 is connected to the second flow guide tube 53, and the second flow guide tube 53 is connected to the infusion catheter 3.

Optionally, the flow velocity detection structure 52 includes a rotor 521, a rotor guide rod 522, a flow velocity detection pipe 523, and a rotor accommodating portion 524; the rotor accommodating portion 524 is arranged on the outer wall of the flow velocity detection pipe 523 and is connected to the flow velocity detection pipe 523, and the rotor accommodating portion 524 and the flow velocity detection pipe 523 form a T-shaped structure as a whole; the rotor 521 is rotatably sleeved on the outside of the rotor guide rod 522; the rotor guide rod 522 is arranged inside the rotor accommodating portion 524, and a plurality of blades are arranged on the rotor 521, and gaps are arranged between the blades and the flow velocity detection pipe 523 and the rotor accommodating portion 524, and the blades rotate under the action of the fluid; the rotor accommodating portion 524 is made of transparent material, and coaxially arranged emitting elements 54 and detecting elements 55 are arranged on both sides of the rotor accommodating portion 524, the emitting element 54 is used to emit indication light, and the detecting element 55 is used to receive indication light. When the fan blades rotate, they will block the indicator light when passing through the optical path between the emitting element 54 and the detecting element 55, and the flow rate conversion is achieved by detecting the rotation speed of the rotor.

Optionally, the light emitted by the emitting element 54 is laser or infrared light.

Optionally, a through hole is provided at one end of the first flow guide tube 51 near the top with an opening, and a pressure-sensitive diaphragm 56 is sealed inside the through hole. The pressure-sensitive diaphragm 56 is provided with a strain resistor and a thermistor for detecting the pressure and temperature of the fluid. A lead groove 17 is provided near the position of the hollow cylinder 11 near the pressure-sensitive diaphragm 56 to facilitate the lead-out of the wire.

Optionally, the infusion port is used to inject fluid into an artery or vein.

Optionally, the control module 8 includes a wireless transmission module, and the wireless transmission module is used to transmit the detected temperature, flow rate and pressure information to the mobile terminal.

Optionally, the infusion port diaphragm 2 includes an arcuate diaphragm 21 and an annular sealing platform 22, wherein the arcuate diaphragm 21 is sealingly arranged in the middle of the annular sealing platform 22 and protrudes outward, and a connecting ring matching the sealing groove 13 is arranged at the bottom of the annular sealing platform 22; the arcuate diaphragm 21 is an elastic film.

Optionally, the power receiving coil 6 is a ring-shaped coil, the rechargeable battery 7 is a ring-shaped battery, the power receiving coil is arranged on the top of the rechargeable battery 7 , and the control module 8 is arranged in the middle of the rechargeable battery 7 .

Working principle of the heated and speed-measuring infusion port:

1. When the infusion port is powered or charged, the external transmitter is brought close to the infusion port, and a magnetic field is generated through the transmitting coil of the transmitter, and the magnetic field generates an induced current in the receiving coil 6 to achieve power transmission;

2. Liquid is injected through the infusion port diaphragm 2, flows through the liquid injection hole 42, and is transmitted to the liquid outlet hole 45 along the heating ring 44 of the vortex structure. The liquid can be evenly heated while passing through the heating ring 44; the liquid flows through the first guide tube 51, the flow rate detection structure 52 and the second guide tube 53, and is transmitted to the patient's body through the infusion catheter 3; the flow rate detection structure 52 can measure the liquid flow rate; the pressure-sensitive diaphragm 56 of the first guide tube 51 can measure the temperature and pressure of the liquid.

The infusion port has a built-in heating module, which can ensure that the infused liquid maintains a suitable temperature when it reaches the patient's body, thereby avoiding discomfort or harm to the patient due to improper liquid temperature. The heating temperature can be flexibly adjusted according to the patient's specific needs and treatment needs; the device is equipped with a flow rate detection structure, which can monitor the flow rate of the liquid in real time to ensure the stability and safety of the infusion process. Medical staff can adjust the infusion speed in time according to the speed measurement results to meet the patient's treatment needs; the infusion port also integrates a pressure sensor, which can monitor the pressure changes during the infusion process in real time. When the pressure is abnormal, it can automatically alarm and take corresponding safety measures, thereby ensuring the safety of the patient.

Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the present invention rather than to limit it. Although the present invention has been described in detail with reference to the preferred embodiments, those skilled in the art should understand that the technical solution of the present invention can be modified or replaced by equivalents without departing from the spirit and scope of the technical solution of the present invention.

Claims (8)

1. A heatable speed-measuring infusion port comprising: the infusion port comprises an infusion port base, an infusion port diaphragm, an infusion catheter, a heating module, a flow guiding module, a power receiving coil, a rechargeable battery and a control module;

The transfusion port base comprises a hollow cylinder, a hollow round table, a sealing groove, a lead hole, a first guide hole and a second guide hole; openings are formed in the top surfaces of the hollow cylinder and the hollow round table, and the hollow round table is sleeved on the outer side of the hollow cylinder; the top of the hollow cylinder is provided with an annular sealing groove, and the transfusion port diaphragm is in sealing connection with the sealing groove; the bottom of the hollow cylinder is provided with the lead hole; the side wall of the hollow round table, which is close to the bottom, is provided with the first guide hole, the side wall of the hollow round table is provided with the second guide hole, and the first guide hole and the second guide hole are concentrically arranged;

The region surrounded by the transfusion port diaphragm and the hollow cylinder is a first cavity, and the region surrounded by the hollow cylinder and the hollow round table is a second cavity; the heating module and the flow guiding module are sequentially arranged in the first cavity from top to bottom, one end of the flow guiding module is connected with the heating module, and the other end of the flow guiding module sequentially passes through the first guide hole and the second guide hole and is connected with the infusion catheter; the flow guiding module is in sealing connection with the first guide hole and the second guide hole; the second cavity is internally provided with the power receiving coil, the rechargeable battery and the control module;

The heating module, the power receiving coil and the rechargeable battery are electrically connected with the control module; the heating module is used for heating the injected liquid; the flow guide module is internally provided with a flow velocity detection structure for measuring the flow velocity of the injected liquid.

2. The port of claim 1 wherein said heating module comprises a circular top plate, a liquid injection orifice, a circular bottom plate, a heating collar, a liquid extraction orifice, and a heating resistance wire;

The upper side of the circular bottom plate is provided with a circular groove, and the heating ring is arranged in the circular groove; the heating ring is of a vortex structure, the height of the heating ring is the same as the depth of the circular groove, and the circular top plate and the circular bottom plate are the same in size and are in sealing connection; the liquid injection hole is arranged in the middle of the circular top plate, the circular bottom plate is provided with the liquid extraction hole, and the liquid extraction hole is positioned at the edge of the outer ring of the heating ring.

3. The port of claim 2 wherein the flow module comprises a first flow conduit, a flow rate detection structure, and a second flow conduit;

An opening is formed in the top of one end of the first guide pipe and is connected with the liquid leading-out hole; the other end of the first flow guide pipe is communicated with the flow velocity detection structure, the other end of the flow velocity detection structure is communicated with the second flow guide pipe, and the second flow guide pipe is communicated with the infusion guide pipe.

4. The port of claim 3 wherein said flow rate sensing structure comprises a rotor, a rotor guide, a flow rate sensing tube, a rotor receptacle; the rotor accommodating part is arranged on the outer wall of the flow velocity detection pipeline and is communicated with the flow velocity detection pipeline, and the rotor accommodating part and the flow velocity detection pipeline form a T-shaped structure integrally; the rotor is rotatably sleeved on the outer side of the rotor guide rod; the rotor guide rod is arranged in the rotor accommodating part, a plurality of fan blades are arranged on the rotor, gaps are arranged between the fan blades, the flow velocity detection pipeline and the rotor accommodating part, and the fan blades do rotary motion under the action of fluid; the rotor accommodation portion is transparent material, the both sides of rotor accommodation portion are provided with coaxial transmitting element, the detecting element of setting, and transmitting element is used for sending the instruction light, and the detecting element is used for receiving the instruction light.

5. The port of claim 4 wherein the first conduit has a through hole at an end thereof adjacent to the top opening, a pressure sensing membrane is sealingly disposed within the through hole, and a strain resistor and a thermistor are disposed on the pressure sensing membrane.

6. The port of claim 1 wherein the port is for administration of fluids to an artery or vein.

7. The port of claim 1 wherein the control module comprises a wireless transmission module for transmitting the sensed temperature, flow rate and pressure information to the mobile terminal.

8. The port of claim 1 wherein the port membrane comprises an arcuate membrane and an annular sealing land, the arcuate membrane sealing disposed in a central portion of the annular sealing land and projecting outwardly, a bottom portion of the annular sealing land being provided with a connecting ring matching the sealing groove.