CN215083536U

CN215083536U - Multifunctional intravenous infusion aids

Info

Publication number: CN215083536U
Application number: CN202120618451.7U
Authority: CN
Inventors: 胡春燕
Original assignee: Guilin University of Electronic Technology
Current assignee: Guilin University of Electronic Technology
Priority date: 2021-03-26
Filing date: 2021-03-26
Publication date: 2021-12-10
Anticipated expiration: 2031-03-26

Abstract

The utility model discloses a multifunctional auxiliary device for intravenous infusion, which relates to the field of auxiliary devices for infusion. A tube groove is provided on a casing, and a heating unit, a tube locking unit and an induction unit are fixedly arranged below the tube groove, which are unified by a circuit board. It can perform operations such as detection and heating of the liquid medicine in the infusion tube stuck in the tube groove, and can also open or close the infusion tube according to the signal of the induction unit. In addition, a C-shaped infusion stand fixing arc is arranged longitudinally through the middle of the cover plate, which can fix the entire multifunctional intravenous infusion auxiliary device to the frame rod of the infusion stand, which is convenient to carry and fix. The utility model has the advantages of reasonable design, ingenious structure, small volume, light weight, easy portability, and easy assembly and maintenance.

Description

Multifunctional venous transfusion auxiliary device

Technical Field

The utility model relates to an infusion auxiliary device field especially relates to a multi-functional venous transfusion auxiliary device.

Background

Intravenous infusion therapy is a treatment for infusing various drugs (including blood, etc.) into the blood circulation. Once, it was only an additional treatment for critical illness, and now, intravenous infusion has become an important treatment and support in medical care. On an incomplete basis, intravenous infusion therapy accounts for approximately 90% to 95% of the total number of patients, most of whom require more than 2 groups of fluid per day. Therefore, when the infusion time is too long, the patient lies in bed and is easy to feel tired, so that the patient can sleep well in the infusion process, at the moment, if the infusion is finished, the blood can easily flow backwards, and in addition, the temperature of the liquid is lower than that of the human body in the infusion process in winter, so that the patient can feel uncomfortable after the liquid is injected into the human body.

In the existing products, only one or two problems can be solved, such as:

the transfusion heater adopts a clamp structure, a heating device is arranged in the clamp, when the transfusion heater is used, the end below a transfusion tube is placed in a heating groove of a clamping base body, then a plug is inserted into a power socket, and an indicator lamp is turned on, so that the transfusion heater starts to work. The position of the thermostat on the tube can be adjusted according to the transfusion environment or the temperature of the liquid medicine, so that the patient feels the best. Although the product can realize the heating of the liquid medicine, the function is single, and in addition, the power socket can not be ensured to be available everywhere during the transfusion.

The intelligent infusion bottle liquid medicine volume monitoring alarm is used for monitoring and alarming the liquid medicine volume, and an infusion alarm device is clamped on an infusion tube between a medicine bottle and an infusion bottle, and when the medicine volume is lower than the outlet of the medicine bottle and needs to be stopped or replaced, the infusion alarm can send out a sound alarm signal. Such devices also address only one function in the infusion process.

Disclosure of Invention

In order to solve the above problem, the utility model discloses a following technical scheme realizes:

a multifunctional venous transfusion auxiliary device comprises a shell and a cover plate, wherein the shell is of a structure with an opening on the front side and an opening on the rear side which is surrounded by the periphery;

a pipe groove is formed in the front panel of the shell along the upper end and the lower end in a through mode;

the circuit board, the heating unit, the lock pipe unit and the induction unit are fixedly arranged in the inner cavity of the shell;

the circuit board is fixedly provided with a controller, a knob, a button and a power supply seat, and the knob, the button and the power supply seat are positioned on one side of the circuit board; after the circuit board is fixed in the inner cavity of the shell, the knob, the button and the power supply seat protrude out of the shell;

the heating unit, the pipe locking unit and the induction unit are all positioned below the pipe groove and are matched and corresponding to the pipe groove, and the heating unit, the pipe locking unit and the induction unit are respectively electrically connected with the circuit board;

the heating unit is in a long block-shaped structure, an omega-shaped heating groove is formed in the heating unit, a heating device is arranged in the heating unit, and the heating device is electrically connected with the circuit board; the opening of omega-shaped heating groove corresponds to the pipe groove, when the infusion tube is clamped into the pipe groove, the infusion tube is blocked by the small end at the top of the omega-shaped heating groove, and can smoothly pass through the inside of the omega-shaped heating groove only by pressing lightly, so that the structure can automatically lock the infusion tube, prevent the infusion tube from falling off, and is favorable for heat conduction. The heating device disposed in the heating unit may be a heating wire, a graphene heating sheet, a carbon fiber heating sheet, or the like, as long as it can heat. In addition, still should be provided with the temperature detection sensor in the heating unit for to the temperature monitoring of heating unit self, and to the detection of transfer line temperature, in order to guarantee to heat in normal range, even because temperature detection is very commonly used, prior art also all has the application, can directly reference.

The tube locking unit is a mechanism capable of clamping and stopping the infusion tube and is used for preventing blood from flowing back when the infusion tube is completely infused with the liquid medicine in the infusion process; the tube locking unit has various forms, and can refer to the structure in the prior art, such as clamping by using an electromagnetic driving mode, or a mode of bending an infusion tube, and the like.

The sensing unit is used for detecting whether liquid medicine exists in the infusion tube;

the multifunctional auxiliary device for intravenous infusion is characterized in that a cover plate is fixedly arranged behind the shell, and a C-shaped infusion support fixing arc is longitudinally arranged in the middle of the cover plate in a penetrating mode and used for fixing the whole multifunctional auxiliary device for intravenous infusion to a frame rod of an infusion support.

Preferably, the sensing unit is of a U-shaped structure, two metal plates are fixedly arranged on two inner side walls of the U-shaped structure, and the two metal plates are respectively and electrically connected with the circuit board; when the infusion tube is clamped in the induction unit, the two metal plates are positioned at two sides of the infusion tube. The liquid medicine in the infusion tube is detected by utilizing the principle of a capacitance type sensor. Of course, the circuit board should be correspondingly designed with an amplifying circuit to realize the acquisition and amplification of signals. These circuits are all common mature circuits and can be directly transplanted and borrowed.

Preferably, the tube locking unit comprises a positioning seat, an infusion tube groove is formed in the positioning seat, a sliding groove is formed in one side of the positioning seat, and the sliding groove and the infusion tube groove are perpendicular to each other and are communicated with each other;

a clamping block is slidably arranged in the sliding groove, the clamping block is of a cuboid block structure, a threaded hole is formed in the end part of the outer side of the clamping block, and a screw rod is connected with the threaded hole in a threaded manner;

a motor base is fixedly arranged on one side of the positioning base, a motor is fixedly arranged on the motor base, and an output rotating shaft of the motor is fixedly connected with one end of the screw rod. The screw rod can be driven to rotate through the positive rotation or the reverse rotation of the motor, so that the clamping block is driven to move along the sliding groove. In the moving process of the clamping block, the side of the clamping block, which is positioned in the infusion tube groove, forms a longer or shorter distance relative to the side wall of the infusion tube groove, so that the distance controls the conduction or the stop of the infusion tube. The structure is simple, and convenient control is easy to realize.

Preferably, a limit sensor is further fixedly arranged on the motor base and used for detecting the sliding position of the fixture block;

the limiting sensor is electrically connected with the circuit board.

Preferably, the limit sensors are provided in two. Two sensors, all with inductive sensor, one detects positive spacing, and another detects the burden spacing, can guarantee the reliability of action like this.

Preferably, the motor is a dc geared motor. The DC speed reducing motor has mature technology, low cost and convenient control.

Preferably, two sides of the bottom of the cover plate are respectively and fixedly provided with two latches. The hasp is barb structure, utilizes the no screw that realizes apron and casing to fix, has reduced the cost of hardware and the cost of equipment.

Preferably, a rechargeable battery is further disposed in the housing, and the rechargeable battery is electrically connected to the circuit board and is used for providing electric energy for each module in the device.

Preferably, a display window is further formed in the front panel of the housing, a liquid crystal display is arranged in the display window, and the liquid crystal display is electrically connected with the circuit board and used for displaying the working state of the device.

Preferably, the heating unit is made of polyurethane foam. The polyurethane foam plastic is prepared by polymerizing and foaming isocyanate and hydroxyl compounds, and can be divided into soft and hard according to the hardness, wherein the soft is a main variety. In general, it has excellent elasticity, softness, elongation and compressive strength; good chemical stability, resistance to many solvents and oils; the wear resistance is excellent and is 20 times larger than that of natural sponge; and also has excellent processability, heat insulation property, adhesiveness and the like, and is a cushioning material with excellent performance.

The utility model discloses a seted up the chase on the casing, fixed heating unit, lock pipe unit, the induction element of being provided with in the below of chase, through circuit board unified control, can go on the liquid medicine in the transfer line of card income chase operation such as detection and heating that has or not, can also open or close the operation to the transfer line according to induction element's signal. In addition, the middle part of the cover plate is longitudinally provided with a C-shaped infusion support fixing arc in a penetrating mode, the whole multifunctional venous transfusion auxiliary device can be fixed to a frame rod of an infusion support, and the multifunctional venous transfusion auxiliary device is convenient to carry and fix. The utility model relates to a rationally, the structure is ingenious, and is small, light in weight, portable, the equipment and the maintenance of being convenient for.

Drawings

Fig. 1 is a schematic diagram of the overall structure of the embodiment provided by the present invention;

FIG. 2 is a front view of an embodiment provided by the present invention;

fig. 3 is a left side view of an embodiment provided by the present invention;

fig. 4 is a top view of an embodiment provided by the present invention;

fig. 5 is an exploded view of an embodiment provided by the present invention;

fig. 6 is a schematic view of the internal structure of the housing in the embodiment provided by the present invention;

fig. 7 is a schematic structural diagram of a lock tube unit in an embodiment provided by the present invention;

fig. 8 is a schematic structural diagram of a heating unit in an embodiment provided by the present invention;

fig. 9 is a front view of a heating unit in an embodiment provided by the present invention;

fig. 10 is a schematic view of the utility model after being clamped into the infusion tube.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, the embodiments of the present application will be described clearly and completely with reference to fig. 1 to 10 of the embodiments of the present application, and it is obvious that the described embodiments are some embodiments of the present application, but not all embodiments. All other embodiments obtained by a person of ordinary skill in the art without any inventive work based on the embodiments in the present application are within the scope of protection of the present application. Thus, the following detailed description of the embodiments of the present application, as presented in the figures, is not intended to limit the scope of the claimed application, but is merely representative of selected embodiments of the application. In the description of the present application, 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 are used in the orientations and positional relationships indicated in the drawings for convenience in describing the present application and for simplicity in description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed in a particular orientation, and be operated in a particular manner, and are not to be construed as limiting the present application.

In this application, unless expressly stated or limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can include, for example, fixed connections, removable connections, or integral parts; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.

In this application, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact of the first and second features, or may comprise contact of the first and second features not directly but through another feature in between. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

As shown in fig. 1 to 10, a multifunctional intravenous infusion auxiliary device comprises a housing 1 and a cover plate 2. The shell 1 is of a structure with an opening on the front side and the rear side surrounded by a barrier and is made of plastics.

As shown in fig. 1, a pipe groove 10 is formed in the front panel of the housing 1 along the upper and lower ends thereof. The pipe groove 10 is communicated with the inner cavity of the shell 1.

As shown in fig. 6, a circuit board 3, a heating unit 4, a lock tube unit 5, and a sensing unit 6 are fixedly disposed in the inner cavity of the housing 1.

The circuit board 3 is fixedly provided with a controller, a knob 30, a button 31 and a power supply base 32. The controller is preferably a low power consumption single chip microcomputer, and the knob 30, the button 31 and the power supply socket 32 are located on one side of the circuit board 3. The side wall of the casing 1 is provided with a hole or a groove, so that after the circuit board 3 is fixed in the inner cavity of the casing 1, the knob 30, the button 31 and the power socket 32 protrude out of the casing 1.

As shown in fig. 1 and 2, a display window 11 is further formed on the front panel of the housing 1, a liquid crystal display is disposed in the display window 11, and the liquid crystal display is electrically connected to the circuit board 3 for displaying a working state of the apparatus. In this embodiment, the displayed content includes: set heating temperature, actual heating temperature, locking state, power state, etc.

As shown in fig. 6, the heating unit 4, the tube locking unit 5, and the sensing unit 6 are all located below the tube slot 10, and are matched with and correspond to the tube slot 10. The heating unit 4, the lock tube unit 5 and the induction unit 6 are electrically connected with the circuit board 3 respectively.

More specifically:

as shown in fig. 6, 8 and 9, the heating unit 4 is a long block structure, on which an omega-shaped heating slot 40 is opened, and a heating device is disposed in the heating unit 4, and the heating device is electrically connected to the circuit board 3. The opening of the omega-shaped heating groove 40 corresponds to the pipe groove 10, when the infusion tube 8 is clamped into the pipe groove 10, the infusion tube is blocked by the small end at the top of the omega-shaped heating groove 40, and can smoothly pass through the omega-shaped heating groove 40 only by slightly pressing, so that the structure can automatically lock the infusion tube 8, prevent the infusion tube from falling off, and is favorable for heat conduction. The heating device provided in the heating unit 4 may be a heating wire, a graphene heating sheet, a carbon fiber heating sheet, or the like, as long as it can heat. In addition, still should be provided with the temperature detection sensor in the heating unit 4 for to the temperature monitoring of heating unit 4 self, and to the detection of transfer line temperature, in order to guarantee to heat in normal range, even because temperature detection is very commonly used, prior art also all has the application, can directly reference. In this embodiment, the heating unit 4 is preferably made of polyurethane foam. The polyurethane foam plastic is prepared by polymerizing and foaming isocyanate and hydroxyl compounds, and can be divided into soft and hard according to the hardness, wherein the soft is a main variety. In general, it has excellent elasticity, softness, elongation and compressive strength. Good chemical stability and resistance to many solvents and oils. The wear resistance is excellent and is 20 times larger than that of natural sponge. And also has excellent processability, heat insulation property, adhesiveness and the like, and is a cushioning material with excellent performance.

As shown in fig. 6 and 7, the tube locking unit 5 is a mechanism capable of locking and stopping the infusion tube 8, and is used for preventing blood from flowing back due to the fact that the infusion tube is completely infused during the infusion process. The tube locking unit 5 has various forms, and can be used for reference to the structure in the prior art, such as clamping by using an electromagnetic driving mode, or a mode of bending the infusion tube 8, and the like. In the preferred embodiment, the tube locking unit 5 includes a positioning seat 50, an infusion tube slot 51 is formed on the positioning seat 50, a sliding slot 57 is formed on one side of the positioning seat 50, and the sliding slot 57 is perpendicular to and communicated with the infusion tube slot 51. The sliding groove 57 is slidably provided with a fixture block 52, the fixture block 52 is a rectangular block structure, the end part of the outer side of the fixture block is provided with a threaded hole, and the threaded hole is internally connected with a screw rod 54. A motor base 53 is fixedly arranged on one side of the positioning base 50, a motor 55 is fixedly arranged on the motor base 53, and an output rotating shaft of the motor 55 is fixedly connected with one end of a screw rod 54. The lead screw 54 is rotated by the forward rotation or the reverse rotation of the motor 55, so that the latch 52 is moved along the slide groove 57. During the movement, the side of the latch 52 located in the infusion tube groove 51 forms a longer or shorter distance with respect to the side wall of the infusion tube groove 51, so that the distance controls the conduction or the stop of the infusion tube. The structure is simple, and convenient control is easy to realize. In addition, a limit sensor 56 is fixedly arranged on the motor base 53 and used for detecting the sliding position of the fixture block 52. The limit sensor 56 is electrically connected to the circuit board 3. The limit sensor 56 is provided in two. Two sensors, all with inductive sensor, one detects positive spacing, and another detects the burden spacing, can guarantee the reliability of action like this. The motor 55 is a dc reduction motor. The DC speed reducing motor has mature technology, low cost and convenient control.

As shown in fig. 6, the sensing unit 6 detects the presence or absence of the liquid medicine in the infusion tube 8. The preferred induction unit 6 of this embodiment is the U-shaped structure, and two fixed metal sheets that are provided with on two inside walls of this U-shaped structure, two metal sheets respectively with circuit board 3 electric connection. When the infusion tube 8 is blocked in the sensing unit 6, the two metal plates are positioned on the two sides of the infusion tube 8. This is to detect the liquid medicine in the infusion tube 8 by using the principle of a capacitance sensor. Of course, the circuit board should be correspondingly designed with an amplifying circuit to realize the acquisition and amplification of signals. These circuits are all common mature circuits and can be directly transplanted and borrowed.

As shown in fig. 5, a rechargeable battery 7 is also disposed in the housing 1, and the rechargeable battery 7 is electrically connected to the circuit board 3 for supplying power to the modules in the device.

A cover plate 2 is fixedly arranged at the back of the shell 1, and a C-shaped infusion support fixing arc 20 is longitudinally arranged in the middle of the cover plate 2 in a penetrating way and used for fixing the whole multifunctional venous infusion auxiliary device on a frame rod of an infusion support. Two lock catches 21 are respectively and fixedly arranged on two sides of the bottom of the cover plate 2. The lock catch 21 is of a barb structure, and the cover plate 2 and the shell 1 are fixed without screws, so that the hardware cost and the assembly cost are reduced.

During operation, as shown in fig. 10, the infusion tube 8 is inserted into the tube groove 10, and at the same time, the infusion tube 8 enters the heating unit 4, the tube locking unit 5 and the sensing unit 6 correspondingly. Then the transfusion frame fixing arc 20 on the cover plate 2 at the back of the multifunctional venous transfusion auxiliary device is clamped on the transfusion frame pole to be fixed. During infusion, the knob 30 is rotated according to actual conditions, the knob 30 is connected with the single chip microcomputer, and heating temperature can be adjusted. The button 31 is also connected with the singlechip and used for confirming input or realizing page turning display by combining with the knob 30. All information is displayed through the liquid crystal display screen, and a user can conveniently observe the information. When the temperature of the infusion tube is detected to be lower than the set temperature, the singlechip controls the heating unit 4 to heat the infusion tube, and the heating is automatically stopped after the preset value is reached. When the single chip microcomputer finds that no liquid medicine exists in the infusion tube through the sensing unit 6, the motor 55 in the tube locking unit 5 is controlled to rotate positively, the screw rod 54 is driven to rotate, the clamping block 52 is pushed into the infusion tube groove 51 to extrude the infusion tube 8, and therefore the infusion tube is closed to prevent blood backflow accidents. Otherwise, if the infusion tube is not in the open state, the control block 52 is far away from the infusion tube groove 51 to open the infusion tube.

The utility model discloses a seted up chase 10 on casing 1, fixed heating element 4, lock pipe unit 5, the induction element 6 of being provided with in the below of chase 10 through circuit board 3 unified control, can go on the liquid medicine of going into in the transfer line 8 of chase 10 in the card operation such as detection and heating that has or not, can also open or close the operation to transfer line 8 according to induction element 6's signal. In addition, a C-shaped infusion support fixing arc 20 longitudinally penetrates through the middle of the cover plate 2, so that the whole multifunctional intravenous infusion auxiliary device can be fixed on a frame rod of an infusion support, and the multifunctional intravenous infusion auxiliary device is convenient to carry and fix. The utility model relates to a rationally, the structure is ingenious, and is small, light in weight, portable, the equipment and the maintenance of being convenient for.

Claims

1. The utility model provides a multi-functional venous transfusion auxiliary device, includes casing (1), apron (2), its characterized in that:

the shell (1) is of a structure with an opening at the front side and the rear side of the surrounding barrier;

a pipe groove (10) is formed in the front panel of the shell (1) in a penetrating manner along the upper end and the lower end;

the inner cavity of the shell (1) is fixedly provided with a circuit board (3), a heating unit (4), a tube locking unit (5) and an induction unit (6);

the circuit board (3) is fixedly provided with a controller, a knob (30), a button (31) and a power supply seat (32), and the knob (30), the button (31) and the power supply seat (32) are positioned on one side of the circuit board (3); after the circuit board (3) is fixed in the inner cavity of the shell (1), the knob (30), the button (31) and the power supply seat (32) protrude out of the shell (1);

the heating unit (4), the pipe locking unit (5) and the induction unit (6) are all located below the pipe groove (10) and correspond to the pipe groove (10) in a matched mode, and the heating unit (4), the pipe locking unit (5) and the induction unit (6) are electrically connected with the circuit board (3) respectively;

the heating unit (4) is of a long block-shaped structure, an omega-shaped heating groove (40) is formed in the heating unit, a heating device is arranged in the heating unit (4), and the heating device is electrically connected with the circuit board (3);

the tube locking unit (5) is a mechanism capable of clamping and stopping the infusion tube (8) and is used for preventing blood from flowing back when the infusion is finished in the infusion process;

the sensing unit (6) is used for detecting whether liquid medicine in the infusion tube (8) exists or not;

the multifunctional venous transfusion auxiliary device is characterized in that a cover plate (2) is fixedly arranged behind the shell (1), and a C-shaped transfusion stand fixing arc (20) longitudinally penetrates through the middle of the cover plate (2) and is used for fixing the whole multifunctional venous transfusion auxiliary device to a stand rod of a transfusion stand.

2. The multifunctional intravenous infusion assistance device of claim 1, wherein:

the induction unit (6) is of a U-shaped structure, two metal plates are fixedly arranged on two inner side walls of the U-shaped structure, and the two metal plates are respectively and electrically connected with the circuit board (3); when the infusion tube (8) is clamped in the sensing unit (6), the two metal plates are just positioned at the two sides of the infusion tube (8).

3. The multifunctional intravenous infusion assistance device of claim 1, wherein:

the tube locking unit (5) comprises a positioning seat (50), an infusion tube groove (51) is formed in the positioning seat (50), a sliding groove (57) is formed in one side of the positioning seat (50), and the sliding groove (57) and the infusion tube groove (51) are perpendicular to each other and are communicated with each other;

a clamping block (52) is slidably arranged in the sliding groove (57), the clamping block (52) is of a cuboid block structure, a threaded hole is formed in the end part of the outer side of the clamping block, and a screw rod (54) is connected with the threaded hole in an internal thread mode;

a motor base (53) is fixedly arranged on one side of the positioning base (50), a motor (55) is fixedly arranged on the motor base (53), and an output rotating shaft of the motor (55) is fixedly connected with one end of the screw rod (54).

4. The multifunctional intravenous infusion assistance device of claim 3, wherein:

a limit sensor (56) is also fixedly arranged on the motor base (53) and is used for detecting the sliding position of the fixture block (52);

the limit sensor (56) is electrically connected with the circuit board (3).

5. The multifunctional intravenous infusion assistance device of claim 4, wherein:

the number of the limit sensors (56) is two.

6. The multifunctional intravenous infusion assistance device of claim 3, wherein:

the motor (55) is a direct current speed reduction motor.

7. The multifunctional intravenous infusion assistance device of claim 3, wherein:

two lock catches (21) are respectively and fixedly arranged on two sides of the bottom of the cover plate (2).

8. The multifunctional intravenous infusion assistance device of claim 1, wherein:

the device is characterized in that a rechargeable battery (7) is further arranged in the shell (1), and the rechargeable battery (7) is electrically connected with the circuit board (3) and used for providing electric energy for each module in the device.

9. The multifunctional intravenous infusion assistance device of claim 1, wherein:

the front panel of the shell (1) is further provided with a display window (11), a liquid crystal display is arranged in the display window (11), and the liquid crystal display is electrically connected with the circuit board (3) and used for displaying the working state of the device.

10. The multifunctional intravenous infusion assistance device of claim 1, wherein:

the heating unit (4) is made of polyurethane foam plastic materials.