CN103829988B - A kind of vein puncture device - Google Patents

Abstract

The present invention provides a kind of vein puncture device, described sting device include vein display equipment and adjustable gas pressure zone, described vein display equipment and adjustable gas pressure zone with the use of.The present invention is when venipuncture in application, the local of pneumatic tourniquet is pricked blood band area and is increased, and tourniquet pressure size can be made adjustable, make blood vessel more full, after puncture, pressure is the fewest, can reduce liquid to ooze out, for going into a coma, suffer a shock, losing blood, peripheral circulation is poor, patient's gas-pressure adjustable tourniquet of old venipuncture difficulty more can embody its advantage.It also avoid needle point to puncture blood vessel, and vein easily shows red light irradiation device and infrared heating device makes local blood circulation accelerate, vein appears increase, thus improves puncture success rate, and uses disposable sterilized isolating pad to avoid cross infection between patient.

Description

A venipuncture device

technical field

The invention belongs to diagnosis and treatment auxiliary facilities, in particular to a vein puncture device comprising a vein display device and an infrared irradiation adjustable air pressure belt.

Background technique

At present, the traditional venipuncture method is the method of tying a tourniquet, which has the following disadvantages during venipuncture: (1) Poor venous filling may occur in patients with poor peripheral venous circulation or failure when a tourniquet is tied. (2) The tourniquet at the ligation site oppresses the skin, the pressure cannot be adjusted, and the ligation site can also cause pain. (3) When the tourniquet is loosened, the pressure suddenly drops, and the pulling or rapid recovery of the blood vessel will easily cause the needle tip to puncture the blood vessel or come out of the blood vessel, resulting in blood leakage and puncture failure.

The existing application number is 201220085585.8, a utility model patent for a pressure belt for venipuncture. The device includes a pressure belt body made of elastic material. The shape of the pressure belt body is trapezoidal. And the bottom is provided with several elastic material fixing belts successively, and the fixing belts are connected to the other side of the trapezoidal pressurization belt body through the connectors. The utility model is evenly stressed and the patient feels comfortable, but it is still difficult to solve the problem of loosening the pressure. With time, the pressure suddenly drops, and the pulling or quick recovery of the blood vessel will easily cause the needle tip to puncture the blood vessel or come out of the blood vessel, causing blood to leak out and lead to puncture failure. At the same time, the pressure cannot be adjusted, and the function is limited.

Contents of the invention

The purpose of the present invention is to overcome the deficiencies in the prior art and provide a tourniquet with reasonable structure, convenient use and adjustable pressure, which makes the blood vessels more full, the pressure gradually decreases after puncture, and also avoids the puncture of the blood vessels by the needle tip. A venipuncture device with a high puncture success rate.

The invention provides a vein puncture device, the puncture device includes a vein display device and an adjustable air pressure belt, and the vein display device and the adjustable air pressure belt are used in cooperation;

Further, the adjustable air pressure belt includes a fixed belt, an airbag bag, a deflation closing valve, and an inflation device; The pipe is equipped with a gas-deflation and air-closing valve;

Further, connecting units are respectively provided on the inner side of the other end of the fixing belt and the outer side of the airbag bag, and the connecting units are adhesive buckles;

Further, the other end of the inflatable device is provided with an air valve ball and an air valve mouth, the air valve ball is placed inside the inflatable equipment, the air valve mouth is placed outside the inflatable equipment, the air valve ball is connected to the air valve mouth, and the air valve The valve ball and air valve nozzle can realize one-way air intake and no exhaust of inflatable equipment;

Further, the inflatable device is a manually inflated balloon;

Further, the inflatable device is an automatic air pump; the automatic air pump is also connected to the control board;

Further, the control board is provided with a heat control unit, a brightness control unit, an air filling control unit, a power supply and a control switch, and the control board is connected to a vein display device at the same time.

Further, a concentrator is provided in conjunction with the LED red light lamp to realize concentrated irradiation of red light on one side of the vein display device, and an infrared heating tube is also provided on this side;

Further, the vein display device is generally in the shape of an arc or a rectangle. When it is in the shape of an arc, the vein display device can be fixed by the buckle of the fixing belt; head.

Further, a disposable sterile isolation pad (4) is also included.

Beneficial effects of the present invention: when the present invention is applied to venipuncture, the local area of the pneumatic tourniquet increases, and the pressure of the tourniquet can be adjusted to make the blood vessels more full, and the pressure after the puncture decreases gradually. It can reduce fluid leakage, and the adjustable air pressure tourniquet can better reflect its advantages for patients with coma, shock, blood loss, poor peripheral circulation, and elderly patients with difficult venipuncture. It also avoids the puncture of the blood vessel by the needle tip, and the vein is easy to appear red light irradiation device and infrared heating device accelerate the local blood circulation and increase the exposure of the vein, thereby improving the success rate of puncture, and using a disposable sterile isolation pad to avoid the patient's pain cross-infection.

Description of drawings

Fig. 1 is the structural representation of specific embodiment 1 of the present invention;

Fig. 2 is the structural representation of specific embodiment 2 of the present invention;

3 is a schematic structural diagram of a vein display device in Embodiment 1 of the present invention;

Fig. 4 is a schematic structural diagram of a vein display device in Embodiment 2 of the present invention.

detailed description

The present invention will be further explained below in conjunction with the accompanying drawings and specific embodiments.

Embodiment 1, accompanying drawing 1 is the adjustable pneumatic tourniquet for venipuncture in this embodiment, including airbag bag 2, fixing belt 1, connection unit 5, disposable sterile isolation pad 4, silicone tube 3, deflation and air-closing valve 6, Air valve ball 8, air valve mouth 9 and manual inflation balloon 7; Described airbag bag 2 is arranged on fixed band 1 one end, and airbag bag 2 sides are connected to one end of manual inflation balloon 7 by silica gel tube 3, and the manual inflation balloon 7 The other end is provided with an air valve ball 8 and an air valve mouth 9, the air valve ball 8 and the air valve mouth 9 can realize one-way intake of the manual inflation ball 7 without exhausting, and the silicone tube 3 is provided with a deflation and closing valve 6, The outer side of the airbag bag 2 and the inner side of the other end of the fixing belt 1 are respectively provided with a connecting unit 5, the connecting unit 5 is an adhesive buckle, and the connecting unit 5 is used to fix the airbag bag 2; The pad 4 is pasted on the skin of the patient's wrist at the hemostasis, and the fixing belt 1 is looped on the disposable sterile isolation pad 4. When the loop is buckled, the two connecting units 5 are glued together to realize the fixing belt 1 and the airbag The bag 2 is fixed on the disposable aseptic isolation belt 4, and the airbag bag 2 is refilled by squeezing the manual inflation balloon 7. At this time, the deflation and closing valve 6 is in a closed state, and the airbag bag 2 has increased gas and volume, which is harmful to the wrist. The pressure at the hemostasis increases, making the blood vessels of the patient more full, which is convenient for the medical staff to perform venipuncture on the patient. After the puncture, slowly open the air-release and air-closing valve 6, and the gas in the airbag 2 is slowly discharged from the air-deflation and air-closing valve 6, and the airbag 2. The pressure on the hemostasis of the wrist is gradually reduced, avoiding the sudden drop in pressure when the tourniquet is loosened, the pulling of the blood vessel or the rapid recovery, the needle tip punctures the blood vessel or protrudes from the blood vessel, resulting in puncture failure caused by blood leakage, and can be accelerated at any time. Press and inflate and open the air-opening and closing valve 6 to deflate, which can realize pressure adjustment at any time, and is suitable for various patients such as children and the elderly, and is safe and effective.

As shown in Figure 3, this embodiment also includes a vein display device. The device is in the shape of an arc as a whole and is suitable for sticking to the wrist. The device is provided with a red LED light 11, and a concentrator 12 is provided in conjunction with the red LED light 11. Concentrated red light irradiation is realized on one side of the device. Red light irradiation on the skin can make the veins in the irradiation area and the veins in the nearby area more obvious, thereby improving the success rate of puncture; Described infrared heater 15 can realize the heating to patient's skin, makes the blood circulation of blood bandage quicken, thereby improves the success rate of needle point puncture, is provided with light intensity adjustment knob 13, heat control knob 13, heat control on device side or on control panel. Device 14 and control switch 16 are used to control the intensity of light through the light intensity adjustment knob 13, and the heat controller 14 controls the size of the heat.

In Example 1, the vein display device is placed between the disposable sterile isolation pad 4 and the fixing belt 1, and the fixing belt 1 is fastened to fix the vein display device. The blood-banded veins are more obvious, and the infrared heating tube 15 heats the blood vessels to speed up the blood circulation and improve the success rate of needle tip puncture.

Embodiment 2, including an airbag bag 2, a fixing belt 1, a connecting unit 5, a disposable sterile isolation pad 4, a silicone tube 3, a deflation closing valve 6, an air valve ball 8, an air valve nozzle 9, an electric air pump 10 and Control panel 17; the airbag bag 2 is arranged on one end of the fixing belt 1, and the side of the airbag bag 2 is connected to one end of the electric air pump 10 through a silicone tube 3, and the other end of the electric air pump 10 is provided with an air valve ball 8 and an air valve mouth 9. The air valve ball 8 and the air valve mouth 9 can realize the one-way air intake and non-exhaust of the manual air blower 7. The electric air pump 10 is also connected to the control board 17, and the control board 17 is provided with a temperature adjustment control unit, a brightness control Unit, gas filling control unit and power supply, the silicone tube 3 is provided with a deflation and closing valve 6, and the outer side of the airbag bag 2 and the inner side of the other end of the fixing belt 1 are respectively provided with a connecting unit 5, and the connecting unit 5 is for bonding Buckle, the connecting unit 5 is used to fix the airbag bag 2; when in use, the disposable sterile isolation pad 4 is first attached to the skin of the patient's wrist at the hemostasis, and the fixing belt 1 ring is buckled on the disposable sterile isolation pad 4 , when the ring is buckled, the two connecting units 5 are bonded together, so that the fixing belt 1 and the airbag bag 2 are fixed on the disposable aseptic isolation belt 4, and the gas filling control unit on the control panel 17 is controlled to realize the control The electric blower pump 10 fills the air bag 2 with air. At this time, the deflation valve 6 is closed, and the gas in the air bag 2 increases, the volume becomes larger, and the pressure on the hemostasis of the wrist increases, making the blood vessels of the patient more full, which is convenient for medical care The personnel perform venipuncture on the patient. After the puncture, open the air-deflation and air-closing valve 6, and the gas in the air bag 2 is slowly discharged from the air-deflation and air-closing valve 6. The pressure of the air bag 2 on the wrist hemostasis is gradually reduced, avoiding a sudden drop in pressure when the tourniquet is loosened. , The pulling of the blood vessel or the rapid recovery of the needle tip punctures the blood vessel or comes out of the blood vessel, resulting in the failure of the puncture caused by blood leakage.

Embodiment 2 also includes a vein display device. The device is in the shape of a half-arc as a whole and is suitable for sticking to the wrist. An LED red light 11 is arranged in the device, and a concentrator 12 is arranged in conjunction with the LED red light 11. Concentrated red light irradiation is realized on the side, and the red light irradiation on the skin can make the veins in the irradiation area and the veins in the nearby area more obvious, thereby improving the success rate of puncture; The heater 15 can realize the heating of the patient's skin, so that the blood circulation of the blood bandage can be accelerated, thereby improving the success rate of needle point puncture, and the light intensity adjustment knob 13, the heat controller 14 and the Switch 16 controls the intensity of light through the light intensity adjustment knob 13, and the heat controller 14 controls the size of the heat. The control switch 16 is the main switch of the red light irradiation and infrared heating device for veins; the control board 17 is connected to the vein through the control circuit. Display device, the inflation control unit of the control board 17 can realize the inflation control of the electric air pump 10, the brightness control unit can realize the regulation and control of the brightness of the LED red light 11, and the temperature regulation control unit can realize the regulation and control of the heat of the infrared heating tube 15.

The vein display device in Example 2 is placed on the skin of the patient’s blood puncture before the venipuncture, and the blood circulation is accelerated by heating. After the heating is completed, it can be worn on the head of the medical staff. The line of sight of the medical staff moves, which is convenient for irradiation. It can also be fixed above the blood bandage through the fixing frame to achieve continuous irradiation. The vein display device can also be placed between the disposable sterile isolation pad 4 and the fixing band 1, and fastened. Fix the belt 2 and bond the two connecting units 5 to realize the fixing of the vein display device. The LED red light 11 focuses on the skin, making the veins of the nearby blood puncture bands more obvious, and the infrared heating tube 15 heats the blood vessels. , to speed up blood circulation and improve the success rate of needle tip puncture.

As shown in Figure 4, the vein display device in Embodiment 2, when wearing the head of the medical staff and being fixed above the blood bandage by the fixing frame, the vein display device can be a rectangular device; it can also be as shown in Figure 3 arc shape. And when being applied between the disposable aseptic isolation belt 4 and the fixing belt 1, the device is arc-shaped as shown in accompanying drawing 3 .

The application of the present invention can increase the area of the tourniquet, and the pressure on the tourniquet can be adjusted, so that the blood vessels are more full, and the pressure on the tourniquet gradually decreases after the needle tip punctures, avoiding the sudden drop in pressure when the tourniquet is loosened, which may cause puncture failure. At the same time, the application of infrared light irradiation and infrared heating can effectively accelerate the local blood circulation and make the veins more obvious, thereby improving the success rate of puncture, and can be applied to various patients.

Claims (7)

1. a vein puncture device, it is characterised in that described sting device includes vein display equipment and adjustable inflated Band, described vein display equipment and adjustable gas pressure zone with the use of；

Described adjustable gas pressure zone includes that fixing band (1), gasbag (2), venting gas check valve (6) and inflation set Standby；Described gasbag (2) is arranged on fixing band (1) one end, and described gasbag (2) is also by silica gel tube (3) Connecting charger one end, described silica gel tube (3) is provided with venting gas check valve (6)；

Being provided with LED red globe lamp (11) in described vein display equipment, cooperated with LED red globe lamp (11) is provided with Condenser (12), realizes HONGGUANG focus irradiation in vein display equipment side, is additionally provided with Infrared Heating in this side simultaneously Pipe (15)；

Described vein display equipment generally arc shape or oblong-shaped, when for arc shaped, vein display equipment leads to Cross fixing band (1) latch closure to fix；When for rectangle, vein display equipment is fixed on the head of operator by support Portion.

Vein puncture device the most according to claim 1, it is characterised in that inside fixing band (1) other end And gasbag (2) outside is respectively arranged with connection unit (5), described connection unit (5) is adhering buckle.

Vein puncture device the most according to claim 1, it is characterised in that the described charger other end is provided with Air valve ball (8) and air valve mouth (9), described air valve ball (8) is placed in inside charger, and air valve mouth (9) is placed in Outside charger, air valve ball (8) connects air valve mouth (9), and described air valve ball (8) and air valve mouth (9) can be real Now to charger one-way air inlet not aerofluxus.

Vein puncture device the most according to claim 3, it is characterised in that described charger is manual air-blowing ball (7)。

Vein puncture device the most according to claim 3, it is characterised in that described charger is automatic air-blowing Pump (10)；Described automatic air-blowing pump (10) is also connected with panel (17).

Vein puncture device the most according to claim 5, it is characterised in that described panel (17) is upper to be arranged There are heat control unit, brightness control unit, aerating control unit, power supply and control switch, described panel (17) it is simultaneously connected with vein display equipment.

7. according to the vein puncture device one of claim 1-6 Suo Shu, it is characterised in that described device also includes one The aseptic isolating pad of secondary property (4).