CN209826857U - Auxiliary pressure device for blood drawing - Google Patents

Abstract

The utility model relates to the technical field of auxiliary device for blood drawing, in particular to an auxiliary pressure device for blood drawing, which solves the defect of troublesome bundling of a bandage before blood drawing of nurses in the prior art, and comprises a fixed ring and a mounting frame, wherein an annular air bag is arranged inside the fixed ring, a suction ball is fixedly connected on the upper part of the mounting frame, the upper part of the suction ball is communicated with an air suction pipe and an air outlet pipe, a first check valve is arranged inside the air suction pipe, the other end of the air outlet pipe is fixedly connected with a gas pipe, a communicating pipe and an exhaust pipe are communicated on the upper part of the annular air bag, the communicating pipe is fixedly connected with the gas pipe, a second check valve is arranged inside the communicating pipe, an exhaust pipe seat is arranged on the upper part of the fixed ring, one end of the exhaust pipe is hermetically connected inside the exhaust pipe seat, the arm of a, in the process, the nurse can perform the disinfection operation at the same time, so that the time is saved.

Description

Auxiliary pressure device for blood drawing

Technical Field

The utility model relates to a draw blood auxiliary device technical field especially relates to a draw blood and use auxiliary pressure device.

Background

The diagnosis of physical examination and disease is with the laboratory of drawing blood indelibly, to the nurse of blood sampling, repeats hundreds of blood sampling work every day, for the convenience finds the blood vessel, before every blood sampling, all need tie up the ribbon to the patient's arm, the blood vessel is look for in the touch, takes off the ribbon after the blood sampling finishes again, and the operation is more troublesome, has increased nurse's work load.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the problem of the prior art that the binding belt is troublesome before the blood sampling of nurses, and providing an auxiliary pressure device for blood drawing.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides an auxiliary pressure device for bloodletting, includes retainer plate and mounting bracket, the inside of retainer plate is provided with cyclic annular gasbag, the upper portion fixedly connected with of mounting bracket inhales the ball, the upper portion intercommunication of inhaling the ball has breathing pipe and outlet duct, the inside of breathing pipe is provided with first check valve, the other end fixedly connected with gas-supply pipe of outlet duct, the upper portion intercommunication of cyclic annular gasbag has communicating pipe and blast pipe, communicating pipe and gas-supply pipe fixed connection, the inside of communicating pipe is provided with the second check valve, the upper portion of retainer plate is provided with the exhaust pipe seat, and the one end sealing connection of blast pipe is in the inside of exhaust pipe seat, the inside sealing cooperation of exhaust pipe seat has the sealing plug.

Preferably, the bottom of the fixing ring is fixedly connected with a base, and a bolster is placed on the upper side of the base.

Preferably, a pressing plate is arranged on the upper side of the suction ball, a linear motor is fixedly connected to the upper portion of the mounting frame, and an output shaft of the linear motor is fixedly connected with the pressing plate.

Preferably, the air suction pipe and the air outlet pipe are respectively and fixedly connected with the mounting frame.

Preferably, the inner side of the exhaust pipe seat is provided with a limiting ring.

Preferably, the upper part of the sealing plug is fixedly connected with a pull rod, the upper part of the pull rod is fixedly connected with a blocking piece, and the diameter of the blocking piece is larger than the inner diameter of the limiting ring.

Preferably, the outer side cover of exhaust pipe seat has the lantern ring, and the outside fixedly connected with connecting band of the lantern ring, and the other end and the separation blade of connecting band are connected, exhaust pipe seat's outer wall an organic whole is provided with the anticreep ring, and the internal diameter of the lantern ring is less than the diameter of anticreep ring.

The utility model has the advantages that:

1. through aerifing cyclic annular gasbag, pressurize patient's arm, can make things convenient for the nurse to look for the blood vessel, the nurse needn't tie up the ribbon again, has alleviateed nurse's burden, can also have cushioned patient's arm, need not to put the bolster in addition.

2. The annular air bag can be electrically inflated, and in the process, a nurse can perform disinfection operation at the same time, so that the time is saved, and the blood sampling efficiency is improved.

Drawings

Fig. 1 is a schematic view of a front view of an auxiliary pressure device for blood drawing according to the present invention;

fig. 2 is a schematic top view of the auxiliary pressure device for blood drawing according to the present invention;

fig. 3 is a schematic view of a front view cross-sectional structure of an auxiliary pressure device for blood drawing according to the present invention;

fig. 4 is a schematic structural diagram of a position a in fig. 3 of the auxiliary pressure device for blood drawing of the present invention.

In the figure: the air bag comprises a fixing ring 1, an annular air bag 2, a base 3, a bolster 4, a mounting rack 5, a suction ball 6, a linear motor 7, a pressing plate 8, an air suction pipe 9, an air outlet pipe 10, an air outlet pipe 11, a communicating pipe 12, an air outlet pipe seat 13, an air outlet pipe 14, a sealing plug 15, a limiting ring 16, a blocking piece 17 and a lantern ring 18.

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.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

Referring to fig. 1-4, an auxiliary pressure device for blood drawing comprises a fixed ring 1 and a mounting frame 5, wherein an annular air bag 2 is glued inside the fixed ring 1, a suction ball 6 is fixedly connected to the upper portion of the mounting frame 5, the upper portion of the suction ball 6 is communicated with an air suction pipe 9 and an air outlet pipe 10, a first one-way valve is arranged inside the air suction pipe 9, so that gas can only enter the suction ball 6 from the outside through the air suction pipe 9 and cannot flow out through the air suction pipe 9, an air delivery pipe 11 is glued to the other end of the air outlet pipe 10, a communication pipe 12 and an air exhaust pipe 14 are communicated with the upper portion of the annular air bag 2, the communication pipe 12 is glued to the air delivery pipe 11, a second one-way valve is arranged inside the communication pipe 12, so that gas can only enter the annular air bag 2 through the air delivery pipe 11 and cannot flow back, an air exhaust pipe seat 13 is arranged on the upper portion of the fixed, a sealing plug 15 is sealingly fitted inside the exhaust pipe holder 13.

Wherein, for the convenience of placing the arm, the bottom of retainer plate 1 is integrative to be provided with base 3, and the bolster 4 has been placed to the upside of base 3.

Further, the upside of inhaling ball 6 is provided with clamp plate 8, and the upper portion of mounting bracket 5 is passed through the screw fixation and is had the motor support, and linear electric motor 7 has been placed on the upper portion of motor support, and linear electric motor 7's output shaft passes through screwed connection with clamp plate 8, and linear electric motor 7's plug is connected with alternating current power supply, and breathing pipe 9 and outlet duct 10 splice with mounting bracket 5 respectively.

Wherein, in order to prevent the sealing plug 15 from deviating from, the inboard an organic whole of exhaust pipe seat 13 is provided with spacing ring 16, and the upper portion glue joint of sealing plug 15 has the pull rod, and the upper portion an organic whole of pull rod is provided with separation blade 17, and the diameter of separation blade 17 is greater than the internal diameter of spacing ring 16.

In order to prevent the loss of the sealing plug 15, a sleeve ring 18 is sleeved on the outer side of the exhaust pipe seat 13, a connecting belt is integrally arranged on the outer side of the sleeve ring, the connecting belt and the blocking piece 17 are of an integral structure, an anti-dropping ring is integrally arranged on the outer wall of the exhaust pipe seat 13, and the inner diameter of the sleeve ring 18 is smaller than the diameter of the anti-dropping ring.

In the specific implementation: before blood drawing, a patient stretches an arm into the annular air bag 2, the annular air bag is placed on the bolster 4, the sealing plug 15 is inserted into the exhaust pipe seat 13, the switch of the linear motor 7 is pressed, the linear motor 7 drives the pressing plate 8 to move up and down, when the pressing plate 8 is pressed down, air in the suction ball 6 is pressed into the annular air bag 2, when the pressing plate 8 is lifted up, the suction ball 6 restores the original shape due to elasticity, the air enters the suction ball 6 from the outside through the air suction pipe 9, the reciprocating operation is carried out in the above way, until the annular air bag 2 gives enough pressure to the arm of the patient, the switch of the linear motor 7 is pressed, and the linear motor 7 is stopped;

in the process of inflating the annular air bag 2, a nurse can sterilize the blood sampling part;

after the blood collection is finished, the sealing plug 15 is pulled out from the exhaust pipe base 13, the gas in the annular air bag 2 is exhausted through the exhaust pipe 14, and after the annular air bag 2 is exhausted, the arm of the patient can be pulled out.

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 (7)

1. An auxiliary pressure device for blood drawing comprises a fixed ring (1) and a mounting frame (5), and is characterized in that an annular air bag (2) is arranged inside the fixed ring (1), the upper portion of the mounting frame (5) is fixedly connected with a suction ball (6), the upper portion of the suction ball (6) is communicated with an air suction pipe (9) and an air outlet pipe (10), a first one-way valve is arranged inside the air suction pipe (9), the other end of the air outlet pipe (10) is fixedly connected with an air delivery pipe (11), the upper portion of the annular air bag (2) is communicated with a communication pipe (12) and an air exhaust pipe (14), the communication pipe (12) is fixedly connected with the air delivery pipe (11), a second one-way valve is arranged inside the communication pipe (12), the upper portion of the fixed ring (1) is provided with an air exhaust pipe seat (13), and one end of the air exhaust pipe (14) is hermetically connected inside the air, and a sealing plug (15) is hermetically matched in the exhaust pipe seat (13).

2. The auxiliary pressure device for blood drawing as claimed in claim 1, wherein the bottom of the fixing ring (1) is fixedly connected with a base (3), and a bolster (4) is placed on the upper side of the base (3).

3. The auxiliary pressure device for blood drawing according to claim 1, wherein a pressure plate (8) is arranged on the upper side of the suction ball (6), a linear motor (7) is fixedly connected to the upper portion of the mounting frame (5), and an output shaft of the linear motor (7) is fixedly connected with the pressure plate (8).

4. An auxiliary pressure device for blood drawing according to claim 1, wherein the air suction pipe (9) and the air outlet pipe (10) are fixedly connected with the mounting frame (5), respectively.

5. An auxiliary pressure device for blood drawing according to claim 1, wherein the inside of the exhaust tube holder (13) is provided with a stopper ring (16).

6. The auxiliary pressure device for blood drawing according to claim 1, wherein the upper part of the sealing plug (15) is fixedly connected with a pull rod, the upper part of the pull rod is fixedly connected with a blocking piece (17), and the diameter of the blocking piece (17) is larger than the inner diameter of the limiting ring (16).

7. The auxiliary pressure device for blood drawing as claimed in claim 1, wherein a sleeve ring (18) is sleeved outside the exhaust pipe seat (13), a connecting band is fixedly connected to the outside of the sleeve ring, the other end of the connecting band is connected with the blocking piece (17), an anti-drop ring is integrally arranged on the outer wall of the exhaust pipe seat (13), and the inner diameter of the sleeve ring (18) is smaller than the diameter of the anti-drop ring.