CN110193129B

CN110193129B - Electronic catheter fixing device

Info

Publication number: CN110193129B
Application number: CN201910498427.1A
Authority: CN
Inventors: 付艳枝; 谭莉莉; 钟燕; 黄兆蓉; 官昌艳; 向英; 徐金贵; 余沙沙; 裴宇; 魏莹; 平来运
Original assignee: 付艳枝
Current assignee: CENTRAL PEOPLE'S HOSPITAL OF YICHANG CITY
Priority date: 2019-06-10
Filing date: 2019-06-10
Publication date: 2021-05-18
Anticipated expiration: 2039-06-10
Also published as: CN110193129A

Abstract

The invention relates to the technical field of catheter fixing, and discloses an electronic catheter fixing device which comprises a fixing body, wherein two grabbing arms are fixedly arranged on the left side and the right side of the fixing body, and palms are fixedly arranged on the opposite sides of the grabbing arms on the left side and the right side. This electron catheter fixing device, pull the activity of pointing the point department fixed block through the stay cord, thereby make the palm grasp human skin, through setting up a plurality of suction slots, when micro motor area fixing device pressed to human skin, squeeze the inside air of suction slot, fix fixing device, and the outside of a plurality of suction slots is provided with the viscose, make the minimum unit of adhereing reach nanometer magnitude basically, guarantee that the fixing device of pipe can reach near perfect combination with skin easily, make fixing device carry out dual fixed, ensure the adhesion strength of the fixing device of pipe, reduce with skin area of contact, avoid skin damage, make the patient feel comfortable, reached the purpose that fixed effect is good.

Description

Electronic catheter fixing device

Technical Field

The invention relates to the technical field of catheter fixing, in particular to an electronic catheter fixing device.

Background

The types of catheters used for treating various diseases in clinic are increasing day by day, such as chest tubes, abdominal tubes, T-shaped tubes, arteriovenous cannulas, catheters, fistulization tubes, stomach tubes and the like, so that convenience is provided for monitoring, treatment and rescue of patients, the improvement on prognosis and survival rate of the patients are promoted, the quality of pipeline nursing can directly determine the recovery condition of the disease symptoms of the patients, but the problem of unplanned tube drawing (UEX) is not negligible, once the UEX occurs, the patients can be damaged, the number of hospitalization days is prolonged, the cost is increased, the heavy intubation rate is increased, the infection rate in hospitals is increased, and even the lives of the patients are threatened to die.

For example, chinese patent CN 104922778B discloses a multi-tube diameter medical catheter fixing patch, which includes an adhesive layer, a fixing layer, and a fixing block, and the medical catheter fixing patch of the present invention can fix medical catheters of different sizes by rotating and adjusting the adjusting block, but the adhesive plaster and the skin are not good in viscosity due to the skin being easily affected by grease secretion or sweat, urine, blood, etc. soaking, or other factors such as dirt, etc., so that the adhesive plaster is easy to loosen, the fixing patch needs to be replaced again, and frequent replacement may cause damage to local skin and increase discomfort and medical cost of a patient, and thus an electronic catheter fixing device is proposed to solve the above-mentioned problems.

Disclosure of Invention

Technical problem to be solved

Aiming at the defects of the prior art, the invention provides an electronic catheter fixing device which has the advantages of good fixing effect and the like, and solves the problems that the adhesive plaster and the skin are poor in viscosity due to the fact that the skin is easily affected by factors such as grease secretion or sweat, urine, blood and the like wetting or dirt caused by other reasons, the adhesive plaster is easy to loosen and needs to be replaced, the local skin is possibly damaged due to frequent replacement, and discomfort and medical cost of a patient are increased.

(II) technical scheme

In order to achieve the purpose of good fixing effect, the invention provides the following technical scheme: an electronic catheter fixing device comprises a fixing body, wherein two grabbing arms are fixedly mounted on the left side and the right side of the fixing body, a palm is fixedly mounted on one side, opposite to each other, of each grabbing arm on the left side and the right side, a fixing block is fixedly mounted at the finger tip of a palm inner cavity, a fixing groove is formed in one side, close to each grabbing arm, of each fixing block, a pulling piece is fixedly mounted inside each fixing groove, a micro motor is fixedly mounted on the bottom wall of the palm inner cavity, a first bearing is fixedly mounted on the top wall of the palm inner cavity, a connecting rod is fixedly mounted at the top of an output shaft of the micro motor and located inside the first bearing, a rod sleeve is fixedly mounted on the outer surface of the connecting rod, a rope groove is formed in the outer surface of the rod sleeve, a limiting block is fixedly mounted inside the rope groove, a limiting hole is formed in, the positioning block is characterized in that a positioning hole is formed in the top of the positioning block, a stay rope is fixedly arranged in the limiting hole, the positioning hole and the pull piece, a groove is formed in the back of the fixing body, a guide pipe is fixedly arranged in the groove, limiting grooves are formed in the upper side and the lower side of the front of the fixing body, a switch is fixedly arranged in the limiting groove at the lower side, a solar cell is fixedly arranged in the limiting groove at the upper side, the micro motor, the switch and the solar cell are electrically connected through a lead, suction grooves are formed in the back of the fixing body, the back of the grasping arm and the back of the palm, viscose is fixedly arranged on the back of the fixing body, the outer surface of the suction grooves is fixedly arranged on the back of the grasping arm and the back of the palm, a connecting block is fixedly arranged on the right side of the fixing body, a second bearing is fixedly, the upside the left side fixed mounting in restriction groove has the inserted block that quantity is two, the surface of movable rod and the inside fixed mounting who is located the inserted block have the depression bar.

Preferably, the left and right sides the grab arms are symmetrically distributed on the left and right sides of the central axis of the fixed body, and the number of the palms is four.

Preferably, the outer diameter of the connecting rod is matched with the inner diameters of the first bearing and the rod sleeve respectively, and the outer diameter of the connecting rod is larger than that of the output shaft of the micro motor.

Preferably, the number of the rope grooves, the number of the fixing blocks and the number of the pull ropes are twenty, and the sizes of the pull ropes are respectively matched with the sizes of the limiting holes and the positioning holes.

Preferably, the size of the groove is matched with that of the conduit, and the number of the suction grooves is not less than two.

Preferably, the length of the connecting rod is respectively greater than the length of the output shaft of the micro motor and the length of the rod sleeve, and the length of the upper side grabbing arm is greater than that of the lower side grabbing arm.

Preferably, the size of upside restriction groove and solar cell's size looks adaptation, the downside the size of restriction groove and the size looks adaptation of switch, two restriction groove is the upper and lower both sides of symmetric distribution in upside grab arm axis.

Preferably, the connecting block is U-shaped, and the two second bearings are symmetrically distributed on the upper side and the lower side of the central axis of the connecting block.

Preferably, the outer diameter of the movable rod is respectively matched with the inner diameters of the connecting block and the second bearing, a slot is formed in the front face of the inserting block, a compression column is fixedly mounted at the bottom of the compression column, and the size of the compression column is matched with the size of the slot.

(III) advantageous effects

Compared with the prior art, the invention provides an electronic catheter fixing device which has the following beneficial effects:

1. the electronic catheter fixing device comprises a fixing device, a groove, a connecting rod, a rod sleeve, a connecting rod, a first bearing, a limiting hole, a positioning hole, a pull rope and a pull piece, wherein the fixing device is placed on the skin of a human body, the groove is pressed on the outer surface of the catheter, the fixing device is fixed for the first time through viscose, a switch is pressed at the time, the solar cell provides electric energy for a micro motor through a lead, when the micro motor rotates, the connecting rod and the rod sleeve are driven to rotate, the stability of the connecting rod in the rotation process is guaranteed through the first bearing, when the rod sleeve rotates, the limiting hole, the positioning hole and the pull piece are driven to rotate, the pull rope is fixed through the limiting hole, the positioning hole and the pull piece, the fixing device is fixed more stably, the pull rope pulls the fingertip to move on a fixing block, a palm can grasp the skin of the human body, and by arranging a plurality of, the adhesive is arranged on the outer sides of the suction grooves, so that the minimum adhesion unit basically reaches the nanometer level, the fixing device of the catheter can be easily combined with the skin almost perfectly, the fixing device can be fixed doubly, the adhesion strength of the fixing device of the catheter is ensured, the contact area with the skin is reduced, the skin is prevented from being damaged, a patient feels comfortable, and the purpose of good fixing effect is achieved.

2. The electronic catheter fixing device is similar to a gecko in appearance through the fixing device, the fixing body, the grabbing wall and the palm are provided with the adhesive functions of the claws, the contact surface of adhesive and the skin is reduced, the damage of the skin is reduced, the whole fixing device mainly adopts artificial skin, the human body is more comfortable after the fixing, the discomfort and the pressure damage to the skin can be reduced when the patient turns over under pressure, the opening and closing of a palm adsorption structure are controlled through a switch on the body, the use is convenient, the fixing device utilizes an adhesion system of the gecko, namely a sole adhesion system based on the van der Waals force principle, the fixing device is better attached to the skin of the patient, the catheter is better fixed, the unplanned catheter pulling is prevented, and the gecko can form ideal contact due to the fact that the minimum adhesion unit of the gecko is very fine and is close to an ideal smooth structure in a microscopic view, and then guarantee the superpose of a large amount of van der waals' force and produce superstrong adhesion, prescribe a limit to switch and solar cell through the limit groove, make it fix more stably, absorb solar energy through solar cell and supply power to the motor, also practiced thrift the energy to reach the purpose that fixed effect is good.

Drawings

FIG. 1 is a schematic structural view of an electronic catheter fixing device according to the present invention;

fig. 2 is a schematic view of a palm structure of an electronic catheter fixing device according to the present invention;

FIG. 3 is a schematic view of a suction groove structure of an electronic catheter fixing device according to the present invention;

fig. 4 is a back view of an electronic catheter fixing device according to the present invention.

In the figure: the device comprises a fixed body 1, a grabbing arm 2, a palm 3, a fixed block 4, a fixed groove 5, a pulling piece 6, a micro motor 7, a first bearing 8, a connecting rod 9, a rod sleeve 10, a rope groove 11, a limiting block 12, a limiting hole 13, a positioning block 14, a positioning hole 15, a pulling rope 16, a groove 17, a guide pipe 18, a limiting groove 19, a switch 20, a solar cell 21, a lead 22, a suction groove 23, viscose 24, a connecting block 25, a second bearing 26, a movable rod 27, an inserting block 28 and a pressing rod 29.

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. 1-4, an electronic catheter fixing device comprises a fixing body 1, wherein two grabbing arms 2 are fixedly arranged on the left side and the right side of the fixing body 1, the grabbing arms 2 on the left side and the right side are symmetrically arranged on the left side and the right side of the central axis of the fixing body 1, the number of palms 3 is four, palms 3 are fixedly arranged on the opposite sides of the grabbing arms 2 on the left side and the right side, fixing blocks 4 are fixedly arranged at the finger tips of the inner cavities of the palms 3, fixing grooves 5 are formed in one sides of the fixing blocks 4 close to the grabbing arms 2, pull pieces 6 are fixedly arranged inside the fixing grooves 5, micro motors 7 are fixedly arranged on the bottom walls of the inner cavities of the palms 3, the models of the micro motors 7 can be TRM20a130, the micro motors 7 are motors with small volume and capacity, the output power is generally below hundreds of watts, and the, the micro-motor is commonly used in a control system to realize the functions of detecting, resolving, amplifying, executing, converting and the like of electromechanical signals or energy, or used for transmitting mechanical load, and also can be used as an alternating current and direct current power supply of equipment, a first bearing 8 is fixedly arranged on the top wall of an inner cavity of a palm 3, a connecting rod 9 is fixedly arranged at the top of an output shaft of a micro-motor 7 and positioned inside the first bearing 8, the number of rope grooves 11, fixing blocks 4 and pull ropes 16 is twenty, the size of the pull ropes 16 is respectively matched with the size of a limiting hole 13 and a positioning hole 15, the outer diameter of the connecting rod 9 is respectively matched with the inner diameters of the first bearing 8 and a rod sleeve 10, the length of the connecting rod 9 is respectively greater than that of the output shaft of the micro-motor 7 and that of the rod sleeve 10, the length of an upper side grab arm 2 is greater than that of a lower side, the outer surface of the connecting rod 9 is fixedly provided with a rod sleeve 10, the outer surface of the rod sleeve 10 is provided with a rope groove 11, the inner part of the rope groove 11 is fixedly provided with a limiting block 12, the top part of the limiting block 12 is provided with a limiting hole 13, the finger part of the inner cavity of the palm 3 is fixedly provided with a positioning block 14, the top part of the positioning block 14 is provided with a positioning hole 15, the limiting hole 13, the positioning hole 15 and the inner part of the pulling sheet 6 are fixedly provided with a pulling rope 16, the pulling rope 16 is made of nylon materials, is not easy to break and wear-resistant, the service life is longer, the back surface of the fixing body 1 is provided with a groove 17, the inner part of the groove 17 is fixedly provided with a conduit 18, the size of the groove 17 is matched with the size of the conduit 18, in order to adapt to various conduits 18, the size of each fixing, the fixing device is fixed for the first time through the viscose 24, the switch 20 is pressed at the moment, the solar battery 21 provides electric energy for the micro motor 7 through the lead 22, when the micro motor 7 rotates, the connecting rod 9 and the rod sleeve 10 are driven to rotate, the stability of the connecting rod 9 in rotation is ensured through the first bearing 8, when the rod sleeve 10 rotates, the limiting hole 13, the positioning hole 15 and the pull rope 16 in the pull piece 6 are driven to rotate, the pull rope 16 is fixed and limited through the limiting hole 13, the positioning hole 15 and the pull piece 6, so that the fixing device is fixed more stably, the pull rope 16 pulls the fixing block 4 at the finger tip to move, so that the palm 3 grasps the skin of a human body, through the arrangement of the plurality of suction grooves 23, when the micro motor 7 drives the fixing device to press towards the skin of the human body, the air in the suction grooves 23 is squeezed, the fixing device is fixed, the viscose 24 is arranged outside the plurality of the suction grooves 23, the minimum adhesion unit basically reaches the nanometer magnitude, the fixing device of the catheter 18 can be easily combined with the skin almost perfectly, the fixing device is doubly fixed, the adhesion strength of the fixing device of the catheter 18 is ensured, the contact area with the skin is reduced, skin damage is avoided, a patient feels comfortable, the number of the suction grooves 23 is not less than two, the upper side and the lower side of the front surface of the fixing body 1 are respectively provided with a limiting groove 19, the size of the upper side limiting groove 19 is matched with the size of the solar cell 21, the size of the lower side limiting groove 19 is matched with the size of the switch 20, the two limiting grooves 19 are symmetrically distributed on the upper side and the lower side of the central axis of the upper side grab arm 2, the switch 20 is fixedly arranged in the lower side limiting groove 19, the solar cell 21 is fixedly arranged in the upper side limiting groove 19, the solar cell 21 converts solar energy into electric energy under sunlight and stores the electric energy, the electric energy storage device can be used after being electrified by pressing down the switch 20, is not limited by the environment when in use, is similar to a gecko in appearance through the fixing device, reduces the damage of the skin through the contact surface of the viscose 24 and the skin by the adhesion function of claws in the fixing body 1, the grabbing wall 2 and the palm 3, mainly adopts artificial skin to ensure that the human body is more comfortable after the fixing device is fixed, can reduce the uncomfortable feeling and the pressure damage to the skin when the body is turned over under pressure, is convenient to use by controlling the opening and closing of the adsorption structure of the palm 3 through the switch 20 on the body, utilizes the adhesion system of the gecko, namely the sole adhesion system of the van der Waals force principle, ensures that the fixing device is better adhered to the skin of a patient, better fixes the catheter 18, prevents unplanned catheter pulling, and has very fine minimum adhesion unit of the gecko, microcosmically, the switch 20 and the solar cell 21 are limited by the limiting groove 19, so that the switch 20 and the solar cell 21 are fixed more stably, the solar cell 21 absorbs solar energy to supply power to the motor, energy is saved, the micro motor 7, the switch 20 and the solar cell 21 are electrically connected through a lead 22, the back surfaces of the fixing body 1, the grabbing arm 2 and the palm 3 are provided with suction grooves 23, the back surfaces of the fixing body 1, the grabbing arm 2 and the palm 3 and the outer surface of the suction grooves 23 are fixedly provided with viscose 24, the right side of the fixing body 1 is fixedly provided with a connecting block 25, the connecting block 25 is U-shaped, the two second bearings 26 are symmetrically distributed on the upper side and the lower side of the central axis of the connecting block 25, the top and the bottom of the connecting block 25 are fixedly provided with second bearings 26, the movable rods 27 are movably arranged in the connecting blocks 25 and the second bearings 26, two inserting blocks 28 are fixedly arranged on the left sides of the upper limiting grooves 19, the outer diameters of the movable rods 27 are respectively matched with the inner diameters of the connecting blocks 25 and the second bearings 26, inserting grooves are formed in the front faces of the inserting blocks 28, compression columns are fixedly arranged at the bottoms of the compression columns 29, the sizes of the compression columns are matched with the sizes of the inserting grooves, compression columns 29 are fixedly arranged on the outer surfaces of the movable rods 27 and located in the inserting blocks 28, the compression columns 29 are driven to move through the movable rods 27 when the movable rods 27 move in the second bearings 26, the compression columns at the bottoms of the compression columns 29 are pressed in the inserting grooves in the front faces of the inserting blocks 28 to fix the compression columns 29, at the moment, the compression columns 29 are partially pressed on the solar cells 21, so that the solar cells 21 are fixed and are more stably fixed, the catheter fixing device can be reused by patients, after the viscose 24 is torn off, then the disinfection treatment is carried out, the size of the appearance design of the viscose 24 is equal to that of the palm 3, a plurality of holes corresponding to the suction grooves 23 are formed in the viscose 24, the viscose 24 is disposable, new viscose 24 needs to be stuck in each use, when the viscose 24 is stuck, the holes in the viscose 24 correspond to the suction grooves 23, the influence on the function of the suction grooves 23 is avoided, meanwhile, the contact area of the viscose 24 and the skin is reduced, the skin allergy caused by the overlarge area of the viscose 24 is avoided, the catheter fixing device is fixed more stably by double fixing of the viscose 24 and the suction grooves 23, the fixing mode can influence the viscosity of the viscose 24 through the suction force of the suction grooves 23 and the viscous force of the viscose 24, when liquid such as sweat, secretion and the like is encountered, but the suction force of the suction grooves 23 is matched with the viscose 24 on the four palms 3, so when meetting liquid such as sweat and secretion the influence to fixing device is not big, can not influence the fixed of pipe fixing device, this fixing device is similar to the gecko in shape, and only fixed body 1, it has viscose 24 to grab in wall 2 and the palm 3, the effectual contact that has reduced viscose 24 and skin, avoid making skin allergy easily because of viscose 24 area is too big, this fixing device adopts artifical skin in the large part, can make whole device comfortable and soft, reducible uncomfortable sense and to the pressure nature damage of skin when standing up the pressurized, it is practical and pleasing to the eye.

When the fixing device is used, the appearance of the fixing device is similar to that of a gecko, the fixing body 1, the grabbing wall 2 and the palm 3 are provided with the adhesive functions of claws, the contact surface of the adhesive 24 and the skin is reduced, the damage to the skin is reduced, the whole fixing device mainly adopts artificial skin, the human body is more comfortable after the fixing, and an adhesion system of the gecko, namely a sole adhesion system based on the van der Waals force principle, is utilized, so that the fixing device is better attached to the skin of a patient, the catheter 18 is better fixed, and the unplanned catheter pulling is prevented.

To sum up, the electronic catheter fixing device, by placing the whole fixing device on the skin of a human body, the groove 17 is pressed on the outer surface of the catheter 18, the fixing device is primarily fixed through the viscose 24, at this time, the switch 20 is pressed, the solar battery 21 supplies electric energy to the micro motor 7 through the lead wire 22, when the micro motor 7 rotates, the connecting rod 9 and the rod sleeve 10 are driven to rotate, the stability of the connecting rod 9 in rotation is ensured through the first bearing 8, when the rod sleeve 10 rotates, the limiting hole 13, the positioning hole 15 and the pull rope 16 inside the pull sheet 6 are driven to rotate, the pull rope 16 is fixed and limited through the limiting hole 13, the positioning hole 15 and the pull sheet 6, the fixing device is more stably fixed, the pull rope 16 pulls the finger tip fixing block 4 to move, so that the palm 3 catches the skin of the human body, by arranging the plurality of suction grooves 23, when the fixing device is pressed on the skin of the human body by the micro motor 7, the air in the suction grooves 23 is squeezed out to fix the fixing device, and the viscose 24 is arranged on the outer sides of the suction grooves 23, so that the minimum adhesion unit basically reaches the nanometer level, the fixing device of the catheter 18 can be easily combined with the skin almost perfectly, the fixing device is fixed doubly, the adhesion strength of the fixing device of the catheter 18 is ensured, the contact area with the skin is reduced, the skin is prevented from being damaged, a patient feels comfortable, and the purpose of good fixing effect is achieved.

Moreover, the appearance of the fixing device is similar to a gecko, the fixing body 1, the grabbing wall 2 and the palm 3 are provided with the adhesive function of claws, the contact surface of the adhesive 24 and the skin is reduced, the damage of the skin is reduced, the whole fixing device mainly adopts artificial skin, the human body is more comfortable after the fixing, the discomfort and the pressure damage to the skin can be reduced when the patient turns over under pressure, the opening and closing of the adsorption structure of the palm 3 are controlled through a switch 20 on the body, the use is convenient, the fixing device utilizes the adhesion system of the gecko, namely the sole adhesion system of the van der Waals force principle, so that the fixing device is better attached to the skin of the patient, the catheter 18 is better fixed, the unplanned extubation is prevented, the minimum adhesion unit of the gecko is very fine and is close to an ideal smooth structure in a microscopic view, the ideal contact between the two can be formed, and the super strong adhesion force generated by the superposition of a large amount of van der, switch 20 and solar cell 21 are limited through limiting groove 19, make it fix more stably, absorb solar energy through solar cell 21 and supply power to the motor, the energy has also been practiced thrift, thereby the fixed effectual purpose has been reached, it is easy to receive grease secretion or sweat, urine and blood etc. to soak because skin, or the influence of factors such as dirt is caused to other reasons, lead to the viscidity of adhesive tape and skin not good to have solved, thereby make the adhesive tape easily become flexible, need change fixed subsides again, and frequent change probably leads to the harm of local skin, increase patient's discomfort and the problem of medical cost.

It is to be noted that the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. An electronic catheter fixing device comprising a fixing body (1), characterized in that: the left side and the right side of the fixed body (1) are fixedly provided with two grabbing arms (2), the left side and the right side are fixedly provided with a palm (3) at one side of the grabbing arms (2) which are opposite to each other, a fixed block (4) is fixedly arranged at the finger tip of the inner cavity of the palm (3), one side, close to the grabbing arms (2), of the fixed block (4) is provided with a fixed groove (5), the inside of the fixed groove (5) is fixedly provided with a pulling piece (6), the bottom wall of the inner cavity of the palm (3) is fixedly provided with a micro motor (7), the top wall of the inner cavity of the palm (3) is fixedly provided with a first bearing (8), the top of an output shaft of the micro motor (7) is fixedly provided with a connecting rod (9) at the position inside of the first bearing (8), the outer surface of the connecting rod (9) is fixedly provided with a rod, the solar cell fixing device is characterized in that a limiting block (12) is fixedly arranged inside the rope groove (11), a limiting hole (13) is formed in the top of the limiting block (12), a positioning block (14) is fixedly arranged at the finger position of an inner cavity of the palm (3), a positioning hole (15) is formed in the top of the positioning block (14), a pull rope (16) is fixedly arranged inside the limiting hole (13), the positioning hole (15) and the pull piece (6), a groove (17) is formed in the back surface of the fixing body (1), a guide pipe (18) is fixedly arranged inside the groove (17), limiting grooves (19) are formed in the upper side and the lower side of the front surface of the fixing body (1), a switch (20) is fixedly arranged inside the limiting groove (19) on the lower side, a solar cell (21) is fixedly arranged inside the limiting groove (19) on the upper side, and the micro motor (7), the switch (20) and the solar cell (21) are electrically, the back of fixed body (1), grab arm (2) and palm (3) has all been seted up and has been inhaled groove (23), the back of fixed body (1), grab arm (2) and palm (3) just is located the equal fixed mounting in surface of inhaling groove (23) and has viscose (24), the right side fixed mounting of fixed body (1) has connecting block (25), the top and the equal fixed mounting in bottom of connecting block (25) have second bearing (26), the inside movable mounting of connecting block (25) and second bearing (26) has movable rod (27), upside the left side fixed mounting of restriction groove (19) has inserted block (28) that quantity is two, the inside fixed mounting that the surface of movable rod (27) just is located inserted block (28) has depression bar (29).

2. An electronic catheter securement device as in claim 1, wherein: the left and right sides grab arm (2) are the left and right sides of symmetric distribution in fixed body (1) axis, the quantity of palm (3) sets up to four.

3. An electronic catheter securement device as in claim 1, wherein: the outer diameter of the connecting rod (9) is matched with the inner diameters of the first bearing (8) and the rod sleeve (10) respectively, and the outer diameter of the connecting rod (9) is larger than that of an output shaft of the micro motor (7).

4. An electronic catheter securement device as in claim 1, wherein: the number of the rope grooves (11), the number of the fixing blocks (4) and the number of the pull ropes (16) are twenty, and the sizes of the pull ropes (16) are respectively matched with the sizes of the limiting holes (13) and the positioning holes (15).

5. An electronic catheter securement device as in claim 1, wherein: the size of the groove (17) is matched with that of the guide pipe (18), and the number of the suction grooves (23) is not less than two.

6. An electronic catheter securement device as in claim 1, wherein: the length of the connecting rod (9) is respectively greater than the length of an output shaft of the micro motor (7) and the length of the rod sleeve (10), and the length of the upper side grabbing arm (2) is greater than the length of the lower side grabbing arm (2).

7. An electronic catheter securement device as in claim 1, wherein: the size of upside restricted groove (19) and the big or small looks adaptation of solar cell (21), the downside the size of restricted groove (19) and the big or small looks adaptation of switch (20), two restricted groove (19) are the upper and lower both sides of symmetric distribution in upside grab arm (2) axis.

8. An electronic catheter securement device as in claim 1, wherein: the connecting block (25) is U-shaped, and the second bearings (26) are symmetrically distributed on the upper side and the lower side of the central axis of the connecting block (25).

9. An electronic catheter securement device as in claim 1, wherein: the external diameter of movable rod (27) respectively with the internal diameter looks adaptation of connecting block (25) and second bearing (26), the slot has been seted up in the front of inserted block (28), the bottom fixed mounting of depression bar (29) has the compression leg, the size of compression leg and the size looks adaptation of slot.