CN108926751B

CN108926751B - A special needle for an insulin pump that prevents the needle from falling off

Info

Publication number: CN108926751B
Application number: CN201810351437.8A
Authority: CN
Inventors: 黄溢; 徐青华; 陆群
Original assignee: Wuxi Peoples Hospital
Current assignee: Wuxi Peoples Hospital
Priority date: 2018-04-19
Filing date: 2018-04-19
Publication date: 2021-03-19
Anticipated expiration: 2038-04-19
Also published as: CN108926751A

Abstract

The invention discloses a special needle for an insulin pump, which can prevent a needle head from falling off and comprises the insulin pump, a catheter, a connecting hose, a pinch handle, a threaded pipe, an inner pipe, a sealing washer, a groove, a buffering sponge, an outer pipe, a threaded block, a fixed seat, a transfusion hose, a shell, a lithium battery, a humidity sensor, a cavity, a rotating shaft, sticky cloth, a liquid leakage sensor, an alarm lamp, a hard needle and a soft needle. The portable infusion device is reasonable in structure, novel in design, simple to operate and convenient to install, a patient can conveniently select the infusion device according to the needs of the patient through the cavity, the shell, the soft needle, the hard needle and the rotating shaft, meanwhile, the soft needle and the hard needle are rotatably connected with the cavity, the soft needle and the hard needle are convenient to place and carry, and the infusion device can monitor in real time through the humidity sensor, the leakage sensor, the lithium battery and the alarm lamp, so that the phenomenon that the infusion effect is influenced by sweating and needle drop is prevented.

Description

Insulin pump special needle capable of preventing needle head from falling off

Technical Field

The invention relates to a trocar, in particular to a special insulin pump needle capable of preventing a needle head from falling off, and belongs to the technical field of medical instruments.

Background

The insulin pump is composed of a pump, a small syringe and a transfusion tube connected with the small syringe, the small syringe can contain 3 ml of insulin at most, after the syringe is arranged in the pump, a guide needle at the front end of the connected transfusion tube is inserted into the subcutaneous part (conventionally, the abdominal wall) of a patient by a needle injector, then a screw motor of the insulin pump is driven by a battery to push a piston of the small syringe, the basic purpose of infusing the insulin into the insulin pump in vivo is to simulate the secretion function of pancreas, the insulin is continuously infused into the subcutaneous part of the user according to the dosage required by a human body, and the blood sugar stability throughout the day is kept, so that the purpose of controlling diabetes is achieved.

The existing insulin pump generally comprises a pump body, a delivery pipe and a medicine storage device pipe, wherein the delivery pipe is generally fixedly connected with a needle head and is not easy to carry and use, and patients and medical staff cannot know whether sweating and needle insertion fall off in time. Cause revealing of insulin, the tiny syringe needle is implanted subcutaneously moreover, has two kinds of syringe needles of soft needle and hard needle, implants hard needle position patient and feels uncomfortable, but can not have the danger that the syringe needle deviates from, and soft needle patient feels comfortable, but has the danger that the syringe needle is discounted and deviate from, and general infusion needle is difficult for placing, and patient can't select soft hard needle according to the demand of oneself, and the use of giving the patient brings inconvenience, influences treatment. Therefore, the insulin pump special needle capable of preventing the needle head from falling off is provided for solving the problems.

Disclosure of Invention

The present invention has been made to solve the above problems, and an object of the present invention is to provide a needle for an insulin pump, which prevents the needle head from falling off.

The invention realizes the aim through the following technical scheme, the special insulin pump needle for preventing the needle head from falling off comprises an insulin pump, one end of the insulin pump is communicated with a connecting hose, one end of the connecting hose is communicated with an outer tube, a catheter is sleeved outside the connecting hose, two ends of the catheter are respectively and fixedly connected with the insulin pump and a pinch handle, the bottom end of the pinch handle is fixedly connected with a thread block, the thread block is in threaded connection with a thread tube, one end of the thread tube is fixedly connected with the top of a fixed seat, the center of the top of the fixed seat is fixedly connected with an inner tube and a sealing washer, a buffer sponge is filled in the fixed seat, the bottom end of the fixed seat is fixedly connected with a shell, the interior of the shell is fixedly connected with a lithium battery and an alarm lamp, the bottom end of the shell is fixedly connected with a leakage sensor and a, the quantity of cavity is two, and two cavities rotate respectively through the pivot and connect hard needle and soft needle, the bottom of infusion hose intercommunication casing is passed through to the one end of hard needle and soft needle, the bottom lateral wall fixed connection adhesive cloth's of casing one end.

Preferably, the inner pipe, the outer pipe, the fixing seat, the threaded pipe and the threaded block are coaxial in center.

Preferably, the inside of the sealing washer is provided with a groove, and the groove is connected with the outer pipe in a clamping manner.

Preferably, the diameter of the outer pipe is larger than that of the inner pipe, and the outer pipe is sleeved with the inner pipe.

Preferably, the alarm lamp, the liquid leakage sensor and the humidity sensor are electrically connected with the lithium battery.

Preferably, the number of the cavities is two, and the two cavities are symmetrically distributed on two sides of the bottom end of the shell.

The invention has the beneficial effects that:

1. the device is rational in infrastructure, the modern design, easy operation, simple to operate, through cavity, casing, soft needle, hard needle, pivot, the patient of being convenient for selects according to the demand of oneself, and soft needle and hard needle rotate simultaneously and connect the cavity, make things convenient for placing of soft needle and hard needle, portable through humidity transducer, weeping sensor, lithium cell and alarm lamp, can real-time supervision, prevent sweat and take off the needle influence infusion effect.

2. Through outer tube, thread block, seal ring, inner tube, screwed pipe, recess and hold between the fingers the handle, the coupling hose of being convenient for and the being connected of casing to make things convenient for the input of insulin, portable and installation simultaneously through fixing base and buffering sponge, slow down insulin pump infusion speed, prevent that the needle tubing from breaking away from.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view showing the positions of the housing, the cavity, the soft needle, the hard needle and the shaft of the present invention.

In the figure: 1. insulin pump, 2, pipe, 3, coupling hose, 4, hold between the fingers handle, 5, screwed pipe, 6, inner tube, 7, seal ring, 701, recess, 8, buffering sponge, 9, outer tube, 10, screw block, 11, fixing base, 12, infusion hose, 13, casing, 14, lithium cell, 15, humidity transducer, 16, cavity, 17, pivot, 18, viscidity cloth, 19, weeping sensor, 20, alarm lamp, 21, hard needle, 22, soft needle.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-2, a needle special for an insulin pump for preventing a needle head from falling off includes an insulin pump 1, one end of the insulin pump 1 is communicated with a connection hose 3, one end of the connection hose 3 is communicated with an outer tube 9, a conduit 2 is sleeved outside the connection hose 3, two ends of the conduit 2 are respectively and fixedly connected with the insulin pump 1 and a pinch handle 4, a bottom end of the pinch handle 4 is fixedly connected with a thread block 10, the thread block 10 is connected with a thread pipe 5 in a threaded manner, one end of the thread pipe 5 is fixedly connected with the top of a fixing base 11, the top center of the fixing base 11 is fixedly connected with an inner tube 6 and a sealing washer 7, so as to facilitate installation and connection sealing and prevent leakage of insulin liquid, a buffer sponge 8 is filled inside the fixing base 11 to reduce the infusion speed of the insulin pump, reduce impact force and prevent needle falling off, a bottom end of the fixing base 11, the inside fixed connection lithium cell 14 and the alarm lamp 20 of casing 13, the bottom fixed connection weeping sensor 19 and the humidity transducer 15 of casing 13, open the inside of casing 13 has cavity 16, the quantity of cavity 16 is two, and two cavities 16 rotate respectively through pivot 17 and connect hard needle 21 and soft needle 22, the bottom of infusion hose 12 intercommunication casing 13 is passed through to the one end of hard needle 21 and soft needle 22, the box rotation of placing of hard needle 21 and soft needle 22 of being convenient for is conveniently carried and is used to the bottom lateral wall fixed connection viscidity cloth 18 of casing 13 one end.

As a technical optimization scheme of the invention, the centers of the inner tube 6, the outer tube 9, the fixed seat 11, the threaded tube 5 and the threaded block 10 are coaxial, and the structure is more reasonable.

As a technical optimization scheme of the invention, the groove 701 is formed in the sealing washer 7, and the groove 701 is connected with the outer tube 9 in a clamping manner, so that the insulin is prevented from flowing out, and the sealing is tighter.

As a technical optimization scheme of the invention, the diameter of the outer tube 9 is larger than that of the inner tube 6, and the outer tube 9 is sleeved with the inner tube 6, so that the structure is more reasonable, and the insulin can flow conveniently.

As a technical optimization scheme of the invention, the alarm lamp 20, the liquid leakage sensor 19 and the humidity sensor 15 are all electrically connected with the lithium battery 14, so that the structure is more reasonable.

As a technical optimization scheme of the invention, the number of the cavities 16 is two, and the two cavities 16 are symmetrically distributed at two sides of the bottom end of the shell 13, so that the hard needle 21 and the soft needle 22 can be conveniently placed and rotated.

When the invention is used, firstly, all the electrical elements in the device are externally connected with a control switch and a power supply, then the handle 4 is pinched, the thread block 10 is connected with the thread pipe 5 by screw thread, one end of the outer pipe 9 is clamped with the groove 701 of the sealing washer 7, the outer pipe 9 is sleeved with the inner pipe 6, the insulin liquid is input into the outer pipe 9 from the connecting hose 3 by the insulin pump 1 and is input into the inner pipe 6 by the outer pipe 9, the insulin is input into the inner pipe 6 from the inner pipe 6 and is buffered by the buffer sponge 8, the flow rate is reduced, the insulin is transmitted into the infusion hose 12, the proper hard needle 21 or soft needle 22 is selected according to the requirements of the patient, the hard needle 21 or soft needle 22 is vertical to the shell 13 by rotating the hard needle 21 or soft needle 22 connected with the rotating shaft 17, the hard needle 21 or soft needle 22 is pricked into the body of the patient, the shell 13 is adhered with the skin of the patient by the adhesive cloth 18, the hard needle 21 or, when patient sweats, skin is more moist, triggers humidity transducer 15, and humidity transducer 15 makes alarm lamp 20 scintillation, reminds patient or medical personnel, and when the insulin of department of pricking leaks out, weeping sensor 19 makes alarm lamp 20 scintillation, and warning suggestion patient and medical personnel in time handle.

The leakage sensor 19 may be a leakage detection sensor of model EX-F70/EX-F60 manufactured by Japan pine and its associated circuit. The warning light 20 is an LED. The humidity sensor 15 can be an HIH9000 type humidity sensor produced by HONEYWELL and a matching circuit thereof. It is well within the skill of those in the art to implement and protect the present invention without undue experimentation and without undue experimentation that the present invention is directed to software and process improvements.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The utility model provides a prevent insulin pump special needle that syringe needle drops, includes insulin pump (1), its characterized in that: the one end intercommunication coupling hose (3) of insulin pump (1), the one end intercommunication outer tube (9) of coupling hose (3), pipe (2) has been cup jointed to the outside of coupling hose (3), the both ends of pipe (2) are fixed connection insulin pump (1) respectively and hold between the fingers (4), hold between the fingers bottom fixed connection thread block (10) of (4), thread block (10) threaded connection screwed pipe (5), the one end fixed connection of screwed pipe (5) is at the top of fixing base (11), the top center fixed connection inner tube (6) and seal ring (7) of fixing base (11), the inside packing of fixing base (11) has buffering sponge (8), the bottom fixed connection casing (13) of fixing base (11), the inside fixed connection lithium cell (14) and the alarm lamp (20) of casing (13), the bottom end of the shell (13) is fixedly connected with a liquid leakage sensor (19) and a humidity sensor (15), cavities (16) are formed in the shell (13), the number of the cavities (16) is two, the two cavities (16) are respectively and rotatably connected with a hard needle (21) and a soft needle (22) through a rotating shaft (17), one ends of the hard needle (21) and the soft needle (22) are communicated with the bottom of the shell (13) through an infusion hose (12), and the side wall of the bottom end of the shell (13) is fixedly connected with one end of an adhesive cloth (18); the centers of the inner pipe (6), the outer pipe (9), the fixed seat (11), the threaded pipe (5) and the threaded block (10) are coaxial; a groove (701) is formed in the sealing washer (7), and the groove (701) is connected with the outer pipe (9) in a clamping mode; the diameter of the outer pipe (9) is larger than that of the inner pipe (6), and the outer pipe (9) is sleeved with the inner pipe (6); the alarm lamp (20), the liquid leakage sensor (19) and the humidity sensor (15) are all electrically connected with the lithium battery (14); the number of the cavities (16) is two, and the two cavities (16) are symmetrically distributed on two sides of the bottom end of the shell (13).