CN110269972B - PICC pulse type flushing and sealing pipe device and using method thereof - Google Patents

PICC pulse type flushing and sealing pipe device and using method thereof Download PDF

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Publication number
CN110269972B
CN110269972B CN201910615318.3A CN201910615318A CN110269972B CN 110269972 B CN110269972 B CN 110269972B CN 201910615318 A CN201910615318 A CN 201910615318A CN 110269972 B CN110269972 B CN 110269972B
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groove
arc
key
hole
shell
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CN110269972A (en
Inventor
王芳
袁修银
韦秀红
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Second Peoples Hospital of Hefei
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Second Peoples Hospital of Hefei
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    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
    • A61M5/14—Infusion devices, e.g. infusing by gravity; Blood infusion; Accessories therefor
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
    • A61M5/48—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests having means for varying, regulating, indicating or limiting injection pressure
    • A61M5/484—Regulating injection pressure
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
    • A61M5/14—Infusion devices, e.g. infusing by gravity; Blood infusion; Accessories therefor
    • A61M2005/1401—Functional features
    • A61M2005/1403—Flushing or purging
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M2205/00—General characteristics of the apparatus
    • A61M2205/33—Controlling, regulating or measuring
    • A61M2205/3331—Pressure; Flow

Abstract

The invention discloses a PICC pulse type tube punching and sealing device and a using method thereof. The punching and sealing pipe device provided by the invention has the advantages that the pushing piece is driven by the motor to push the gap of the injector to feed, so that the pushing force is ensured to be uniform, the manual operation of the traditional medical care workers is replaced, the labor intensity of the medical care workers is reduced, and the medical cost is reduced; the device for punching and sealing the tube adopts the maximum value of the set pressure when in use, prevents overlarge thrust on the injector, reduces the probability of tube blockage, improves the safety, and has simple operation and convenient use and carrying.

Description

PICC pulse type flushing and sealing pipe device and using method thereof
Technical Field
The invention relates to the field of PICC (peripherally inserted central catheter) flushing and sealing tubes, in particular to a PICC pulse flushing and sealing tube device and a using method thereof.
Background
The PICC is a method for placing a catheter into a superior vena cava through peripheral veins such as basilic vein, median cubital vein, cephalic vein and the like, can avoid pain and discomfort caused by repeated venipuncture, protect blood vessels, provide a way for middle and long-term treatment and vein nutrition for a patient, does not influence the limb movement of the patient or limit the body position of the patient, and has the characteristics of long-term property, safety and painlessness. PICC among the prior art seals the pipe and adopts medical personnel manual completion usually, can hardly ensure the homogeneity of manual dynamics, and the different accuracies of dynamics are poor, and the promotion dynamics is not enough, can lead to the backward flow of endovascular blood pressure, and the dynamics is too big, can lead to pipeline fracture, vascular embolism etc..
Disclosure of Invention
The invention aims to provide a PICC pulse type flushing and sealing tube device and a using method thereof, wherein a pushing piece is driven by a motor to push the gap of an injector to feed, so that the pushing force is ensured to be uniform, the excessive force is prevented, the too small force can also be prevented, the infusion pressure is accurately controlled, the traditional manual operation of medical workers is replaced, the labor intensity of the medical workers is reduced, and the medical cost is reduced; the maximum value of the set pressure is adopted, so that overlarge thrust on the injector is prevented, the probability of tube blockage is reduced, and the safety is improved; simple operation and convenient use and carrying.
The purpose of the invention can be realized by the following technical scheme:
the utility model provides a be used for PICC pulsed towards a tub device, towards a tub device includes the base, the base includes the casing, is equipped with the PLC display screen on the casing, and one side of PLC display screen is equipped with red pilot lamp and green pilot lamp on the casing.
The shell is provided with an arc-shaped groove body, and a buzzer, a key area and a setting area are arranged on the shell and on one side of the arc-shaped groove body.
The arc-shaped groove is internally provided with square holes which are symmetrically distributed, the shell is provided with a first square groove, the first square groove intercepts the arc-shaped groove body perpendicularly, the shell is provided with a second square groove, and the second square groove intercepts the arc-shaped groove body perpendicularly.
The battery box is characterized in that an N-type clamping column is arranged in the second square groove, first connecting blocks which are symmetrically distributed are arranged in the second square groove, first through holes are formed in the first connecting blocks, and a battery mounting area is arranged below the shell.
The below of casing is equipped with the mounting groove, is equipped with array distribution's first screw hole in the mounting groove, is equipped with the driving groove in the mounting groove, is equipped with the backup pad in the driving groove, and the backup pad is cut apart into first driving groove and second driving groove with the driving groove, is equipped with the second through hole of symmetric distribution in the backup pad, is equipped with the third through hole in the backup pad.
The arc cell body passes through quad slit and second drive groove intercommunication, and the below of casing is equipped with the mounting panel.
And the shell is provided with symmetrically distributed screw rods.
The supporting plate is provided with a motor, the motor is located in the second driving groove, and an output shaft of the motor penetrates through the third through hole and is fixedly connected with a second belt pulley.
The shell is provided with a pushing part, the pushing part comprises a circular supporting plate, a pressure sensor is arranged on the circular supporting plate, the circular supporting plate is provided with second connecting blocks which are symmetrically distributed, and second threaded holes are formed in the second connecting blocks.
Be equipped with half circular arc connecting block in the circular backup pad, be equipped with first arc draw-in groove on the half circular arc connecting block.
Be equipped with fixed stopper on the casing, fixed stopper is equipped with second arc draw-in groove including fixed stopper main part in the fixed stopper main part, is equipped with the arc pearl cotton that the array distributes in the second arc draw-in groove, is equipped with the third square groove of symmetric distribution in the fixed stopper main part, and the third square inslot is equipped with the fixed axle.
The fixed limiting block main body is provided with a fourth square groove, the fixed limiting block main body is provided with a sliding hole, and a locking hole is formed in the sliding hole.
The fixed limiting block is provided with a locking part, the locking part comprises a locking handle, the locking handle is provided with a first limiting block, one end of the sliding rod is fixedly connected with the first limiting block, the other end of the sliding rod is provided with a second limiting block, and the second limiting block is provided with a clamping pin.
The locking piece is provided with an elastic piece.
Further, the key area comprises an on-off key, a reset key, a continue/stop key, a forward key and a backward key, and the setting area comprises a setting key, an up key, a down key, a left key and a right key.
Furthermore, the second through hole penetrates through the supporting plate and extends to the inner wall of one side of the second driving groove; the mounting plate is fixed in the mounting groove through the cooperation of screw and first screw hole.
Furthermore, the screw rod is located in the second through hole through the bearing and rotates, the screw rod is located in the second driving groove, the screw rod penetrates through the second through hole and extends into the first driving groove, the first belt pulley is connected in a fastening mode, and the two first belt pulleys are rotatably connected with the second belt pulley through a belt.
Furthermore, the pushing part is located in the arc-shaped groove body through the circular supporting plate and moves, penetrates through the square hole through the second connecting block, and is matched with the screw rod through the second threaded hole, so that the rotation of the motor is converted into the pushing part which is located on the shell and moves.
Furthermore, the fixed shaft is rotatably connected with the first through hole through the fixed shaft.
Furthermore, the diameter of the lock hole is larger than that of the sliding hole, and the lock hole is vertically communicated with the fourth square groove and extends to the side edge of the fourth square groove.
Furthermore, a sliding rod which is positioned in the sliding hole and slides is arranged on the first limiting block, and the clamping pin is of a conical structure.
Furthermore, the elastic piece is sleeved on the slide rod, one end of the elastic piece is fixedly connected with the inner wall of the lock hole, and the other end of the elastic piece is fixedly connected with the second limiting block.
A use method for a PICC pulse type flushing and sealing tube device comprises the following steps:
s1: and adjusting the punching and sealing pipe device, horizontally placing the punching and sealing pipe device on the workbench, pressing a switch key, and adjusting the position of the pushing piece in the arc-shaped groove body through an advancing key and a retreating key according to the length of the injector.
S2: the syringe is placed, and the handle is moved to the pulling lock for the lock moves the piece and rotates and open, with the overcoat turn-up card of syringe at first square inslot, the end cap block of syringe is in first arc draw-in groove, and the end cap contact of pressure sensors and syringe carries out spacing fixed to the syringe axial, rotates the locking piece, and is fixed through bayonet lock and N type card post block, and is spacing between arc cell body and arc pearl are cotton with the syringe, carries out radial spacing to the syringe.
S3: setting parameters of a punching and sealing tube device, limiting the parameters in a PLC display screen through a setting area, and pushing the time T of the end cap of the injector by a pushing piece1Promoting intermittent time T2,T1+T2Forming a push cycle, setting the interval value of the push force F, setting the friction force between the piston of the injector and the inner wall of the injection tube to be F, setting the inner diameter of the cylinder of the injector to be R, setting the vertical high speed H from the center line of the cylinder of the injector to the tail end of the blood vessel, and setting the pressure at the tail end of the blood vessel to be PPowder(ii) a The liquid for sealing the tube is formed by mixing A, B, C three liquids, wherein the masses of A, B, C three liquids are m respectivelyA、mB、mCVolume is respectively vA、vB、vCThen the density of the mixed liquid is:
Figure GDA0003070462630000041
the pressure at the output end of the pipeline connected with the injector is
Figure GDA0003070462630000042
P is greater than PPowderWhen the syringe is pushed, namely F is more than or equal to
Figure GDA0003070462630000043
When the measured value of F is larger than the predetermined value, the maximum value of P is set to PMost preferablyThen the maximum setting of F is:
Figure GDA0003070462630000044
when F is larger than the maximum set value, the motor stops working, the buzzer works, the red indicator lamp lights up, and the green indicator lamp lights out.
S4: the method comprises the following steps of connecting a pipe and checking, wherein the output port of the injector is connected with a pipe body needing to be sealed, and the conditions that a green indicator lamp of the flushing pipe sealing device is turned on, no bubbles exist in the injector and the pipe body is smooth are checked.
S5: starting, pressing switch key, the motor driving the push piece on the shell to move to push the injector to feed, in the pushing process, according to T set in S31、T2And (3) carrying out periodic intermittent pushing, injecting the liquid in the injector into the tube body to carry out tube sealing operation until the pushing of the liquid in the injector is finished, wherein F is larger than the maximum set value when the pushing is finished, and then the buzzer works.
S6: the tube punching and sealing device resets, after work is finished, the tube body on the injector is pulled out, the lock handle is pulled, the lock moving part is rotated, the injector is taken out, and the reset key is pressed, so that the pushing part resets for next use.
The invention has the beneficial effects that:
1. the punching and sealing tube device provided by the invention has the advantages that the pushing piece is driven by the motor to push the gap of the injector to feed, so that the pushing force is ensured to be uniform, the excessive force is prevented, the too small force can also be prevented, the infusion pressure is accurately controlled, the traditional manual operation of medical workers is replaced, the labor intensity of the medical workers is reduced, and the medical cost is reduced;
2. the device for punching and sealing the tube adopts the maximum value of the set pressure when in use, prevents overlarge thrust on the injector, reduces the probability of tube blockage, improves the safety, and has simple operation and convenient use and carrying.
Drawings
The invention will be further described with reference to the accompanying drawings.
FIG. 1 is a schematic view of the structure of the tube punching and sealing apparatus of the present invention;
FIG. 2 is a schematic view of the structure of the tube punching and sealing device of the present invention;
FIG. 3 is a schematic view of a portion of the tube punch sealing apparatus of the present invention;
FIG. 4 is a schematic view of the base structure of the present invention;
FIG. 5 is a schematic view of the pusher construction of the present invention;
FIG. 6 is a schematic view of the fixing and position-limiting block of the present invention;
FIG. 7 is a sectional view of a portion of the construction of the punch seal tube assembly of the present invention;
FIG. 8 is a flow chart of a method of use of the present invention.
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.
The utility model provides a be used for PICC pulsed to dash and seal a tub device, dashes and seals a tub device includes base 1, and base 1 includes casing 11, as shown in figure 1, figure 2, figure 3, figure 4, is equipped with PLC display screen 12 on the casing 11, and one side of PLC display screen 12 is equipped with red pilot lamp 121 and green pilot lamp 122 on the casing 11.
The housing 11 is provided with an arc-shaped slot 15, the buzzer 13, the key area 14 and the setting area 146 are arranged on the housing 11 and on one side of the arc-shaped slot 15, the key area 14 comprises an on-off key 141, a reset key 142, a continue/stop key 143, a forward key 144 and a backward key 145, and the setting area 146 comprises a setting key 1461, an upper key 1462, a lower key 1463, a left key 1464 and a right key 1465.
Be equipped with symmetric distribution's quad slit 151 in the arc cell body 15, be equipped with first square groove 152 on casing 11, first square groove 152 is perpendicular to be intercepted arc cell body 15, is equipped with second square groove 16 on casing 11, and second square groove 16 is perpendicular to be intercepted arc cell body 15.
An N-shaped clamping column 161 is arranged in the second square groove 16, first connecting blocks 162 are symmetrically arranged in the second square groove 16, and first through holes 163 are formed in the first connecting blocks 162.
A battery mounting area 17 is arranged below the shell 11, the battery mounting area 17 is used for mounting a battery and providing power for the punching and sealing pipe device, and supporting legs 18 distributed in an array mode are arranged below the shell 11.
The lower part of casing 11 is equipped with mounting groove 19, is equipped with the first screw hole 191 of array distribution in the mounting groove 19, is equipped with drive groove 192 in the mounting groove 19, is equipped with backup pad 193 in the drive groove 192, and backup pad 193 cuts apart drive groove 192 into first drive groove 194 and second drive groove 195, is equipped with the second through-hole 196 of symmetric distribution on the backup pad 193, and second through-hole 196 runs through the backup pad 193, extends to the inner wall on second drive groove 195 one side, is equipped with third through-hole 197 on the backup pad 193.
The arc-shaped groove body 15 is communicated with the second driving groove 195 through the square hole 151.
A mounting plate 198 is arranged below the shell 11, and the mounting plate 198 is matched with the first threaded hole 191 through a screw to be fixed in the mounting groove 19.
The shell 11 is provided with symmetrically distributed screw rods 2, the screw rods 2 are positioned in the second through holes 196 through bearings to rotate, the screw rods 2 are positioned in the second driving grooves 195, and the screw rods 2 extend into the first driving grooves 194 through the second through holes 196 and are fixedly connected with first belt pulleys 21.
The supporting plate 193 is provided with a motor 3, the motor 3 is located in the second driving groove 195, an output shaft of the motor 3 passes through the third through hole 197 and is fixedly connected with the second belt pulley 31, and the two first belt pulleys 21 are rotatably connected with the second belt pulley 31 through a belt.
The battery in the battery installation area 17 provides electric energy for the motor 3, the PLC display 12, the red indicator light 121, the green indicator light 122, the buzzer 13, the key area 14 and the setting area 146.
The casing 11 is provided with the pushing member 4, as shown in fig. 5, the pushing member 4 includes a circular supporting plate 41, the circular supporting plate 41 is provided with a pressure sensor 42, the circular supporting plate 41 is provided with second connecting blocks 43 which are symmetrically distributed, and the second connecting blocks 43 are provided with second threaded holes 44.
The pushing part 4 is located in the arc-shaped groove body 15 through the circular supporting plate 41 and moves, penetrates through the square hole 151 through the second connecting block 43, and is matched with the screw rod 2 through the second threaded hole 44, so that the rotation of the motor 3 is converted into the movement of the pushing part 4 located on the shell 11.
The circular support plate 41 is provided with a semi-arc connecting block 45, and the semi-arc connecting block 45 is provided with a first arc-shaped clamping groove 46.
Be equipped with fixed stopper 5 on casing 11, as shown in fig. 6, fixed stopper 5 is equipped with second arc draw-in groove 52 including fixed stopper main part 51, is equipped with the arc pearl cotton 53 that the array distributes in the second arc draw-in groove 52 on the fixed stopper main part 51, is equipped with the third square groove 54 of symmetric distribution on the fixed stopper main part 51, is equipped with fixed axle 55 in the third square groove 54, and fixed axle 55 passes through fixed axle 55 and is connected with first perforation 163 rotation.
The fixed stopper main body 51 is provided with a fourth square groove 56, the fixed stopper main body 51 is provided with a sliding hole 57, the sliding hole 57 is internally provided with a lock hole 58, the diameter of the lock hole 58 is larger than that of the sliding hole 57, and the lock hole 58 is vertically communicated with the fourth square groove 56 and extends to the side of the fourth square groove 56.
The fixed limiting block 5 is provided with a locking member 6, as shown in fig. 7, the locking member 6 includes a locking handle 61, the locking handle 61 is provided with a first limiting block 62, the first limiting block 62 is provided with a sliding rod 63 located in the sliding hole 57 and sliding therein, one end of the sliding rod 63 is fixedly connected with the first limiting block 62, the other end of the sliding rod is provided with a second limiting block 64, the second limiting block 64 is provided with a clamping pin 65, and the clamping pin 65 is of a conical structure.
The locking piece 6 is provided with an elastic piece 7, the elastic piece 7 is sleeved on the sliding rod 63, one end of the elastic piece 7 is tightly connected with the inner wall of the locking hole 58, and the other end of the elastic piece 7 is tightly connected with a second limiting block 64.
A use method for a PICC pulse type flushing and sealing tube device comprises the following steps:
s1: and adjusting the punching and sealing pipe device, horizontally placing the punching and sealing pipe device on a workbench, pressing a switch key 141, and adjusting the position of the pushing piece 4 in the arc-shaped groove body 15 through a forward key 144 and a backward key 145 according to the length of the injector.
S2: the syringe is placed, and handle 61 is moved to the pulling lock for locking piece 6 rotates and opens, with the overcoat turn-up card of syringe in first square groove 152, the end cap block of syringe is in first arc draw-in groove 46, the end cap contact of pressure sensors 42 and syringe carries out spacing fixed to the syringe axial, rotates locking piece 6, and is fixed through bayonet lock 65 and the 161 block of N type card post, with the syringe spacing between arc cell body 15 and arc pearl cotton 53, radially spacing to the syringe.
S3: setting parameters of the punch seal tube device, limiting the parameters in the PLC display screen 12 through the setting area 146, and pushing the time T of the end cap of the injector by the pushing piece 41Promoting intermittent time T2,T1+T2Forming a push cycle, setting the interval value of the push force F, setting the friction force between the piston of the injector and the inner wall of the injection tube to be F, setting the inner diameter of the cylinder of the injector to be R, setting the vertical high speed H from the center line of the cylinder of the injector to the tail end of the blood vessel, and setting the pressure at the tail end of the blood vessel to be PPowder(ii) a The liquid for sealing the tube is composed of A, B, C three liquids, but not limited to three liquids, and the three liquids are taken as an example for illustration, wherein the masses of A, B, C three liquids are m respectivelyA、mB、mCVolume is respectively vA、vB、vCThen the density of the mixed liquid is:
Figure GDA0003070462630000091
the pressure at the output end of the pipeline connected with the injector is
Figure GDA0003070462630000092
P is greater than PPowderAt the same time, injectIs pushed, i.e. F is greater than or equal to
Figure GDA0003070462630000093
In this case, the magnitude of F is measured by the pressure sensor 42, and the Pmax is set to PMost preferablyThen the maximum setting of F is:
Figure GDA0003070462630000094
when F is larger than the maximum set value, the motor 3 stops working, the buzzer 13 works, the red indicator lamp 121 is turned on, the green indicator lamp 122 is turned off, and the worker is prompted to process.
S4: and (3) connecting a pipe, checking, namely connecting the output port of the injector with a pipe body needing to be sealed, and checking the conditions that a green indicator lamp 122 of the flushing and sealing pipe device is turned on, no bubbles exist in the injector and the pipe body is unblocked.
S5: starting, pressing switch key 141, motor 3 driving pushing piece 4 on shell 11 to move, pushing injector to feed, according to T set in S31、T2And (3) carrying out periodic intermittent pushing, injecting the liquid in the injector into the tube body to carry out tube sealing operation until the pushing of the liquid in the injector is finished, wherein F is larger than the maximum set value when the pushing is finished, and then the buzzer 13 works to remind a worker of timely processing.
S6: the tube punching and sealing device resets, after the work is finished, the tube body on the injector is pulled out, the lock handle 61 is pulled, the locking part 6 is rotated, the injector is taken out, and the reset key 142 is pressed, so that the pushing part 4 resets for next use.
In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed.

Claims (9)

1. A tube punching and sealing device for a PICC pulse type comprises a base (1), and is characterized in that the base (1) comprises a shell (11), a PLC display screen (12) is arranged on the shell (11), and a red indicator lamp (121) and a green indicator lamp (122) are arranged on one side of the PLC display screen (12) on the shell (11);
an arc-shaped groove body (15) is arranged on the shell (11), and a buzzer (13), a key area (14) and a setting area (146) are arranged on the shell (11) and one side of the arc-shaped groove body (15);
square holes (151) which are symmetrically distributed are formed in the arc-shaped groove body (15), a first square groove (152) is formed in the shell (11), the arc-shaped groove body (15) is vertically intercepted by the first square groove (152), a second square groove (16) is formed in the shell (11), and the arc-shaped groove body (15) is vertically intercepted by the second square groove (16);
an N-shaped clamping column (161) is arranged in the second square groove (16), first connecting blocks (162) are symmetrically distributed in the second square groove (16), a first through hole (163) is formed in each first connecting block (162), and a battery mounting area (17) is arranged below the shell (11);
a mounting groove (19) is arranged below the shell (11), first threaded holes (191) distributed in an array mode are formed in the mounting groove (19), a driving groove (192) is formed in the mounting groove (19), a supporting plate (193) is arranged in the driving groove (192), the driving groove (192) is divided into a first driving groove (194) and a second driving groove (195) by the supporting plate (193), second through holes (196) distributed symmetrically are formed in the supporting plate (193), and a third through hole (197) is formed in the supporting plate (193);
the arc-shaped groove body (15) is communicated with the second driving groove (195) through a square hole (151), and a mounting plate (198) is arranged below the shell (11);
the shell (11) is provided with symmetrically distributed screw rods (2);
a motor (3) is arranged on the supporting plate (193), the motor (3) is positioned in the second driving groove (195), and an output shaft of the motor (3) penetrates through the third through hole (197) to be fixedly connected with a second belt pulley (31);
the shell (11) is provided with a pushing part (4), the pushing part (4) comprises a circular supporting plate (41), a pressure sensor (42) is arranged on the circular supporting plate (41), second connecting blocks (43) which are symmetrically distributed are arranged on the circular supporting plate (41), and second threaded holes (44) are formed in the second connecting blocks (43);
a semi-arc connecting block (45) is arranged on the circular supporting plate (41), and a first arc clamping groove (46) is arranged on the semi-arc connecting block (45);
the shell (11) is provided with a fixed limiting block (5), the fixed limiting block (5) comprises a fixed limiting block main body (51), a second arc-shaped clamping groove (52) is formed in the fixed limiting block main body (51), arc-shaped pearl cotton (53) distributed in an array mode is arranged in the second arc-shaped clamping groove (52), third square grooves (54) distributed symmetrically are formed in the fixed limiting block main body (51), and a fixed shaft (55) is arranged in each third square groove (54);
the fixed limiting block main body (51) is provided with a fourth square groove (56), the fixed limiting block main body (51) is provided with a sliding hole (57), and a lock hole (58) is formed in the sliding hole (57);
a locking piece (6) is arranged on the fixed limiting block (5), the locking piece (6) comprises a locking handle (61), a first limiting block (62) is arranged on the locking handle (61), one end of the sliding rod (63) is fixedly connected with the first limiting block (62), a second limiting block (64) is arranged at the other end of the sliding rod, and a clamping pin (65) is arranged on the second limiting block (64);
the locking piece (6) is provided with an elastic piece (7);
the time T for the pusher (4) to push the syringe end cap is limited by the setting area (146) to parameters in the PLC display (12)1Promoting intermittent time T2,T1+T2A pushing period is formed, the interval value of the pushing force F is set, the friction force between the piston of the injector and the inner wall of the injection tube is F, the inner diameter of the cylinder of the injector is R, the vertical high speed H from the center line of the cylinder of the injector to the tail end of the blood vessel,pressure at the end of the vessel of PPowder(ii) a The liquid for sealing the tube is formed by mixing A, B, C three liquids, wherein the masses of A, B, C three liquids are m respectivelyA、mB、mCVolume is respectively vA、vB、vCThen the density of the mixed liquid is:
Figure FDA0003070462620000021
the pressure at the output end of the pipeline connected with the injector is
Figure FDA0003070462620000022
P is greater than PPowderWhen the syringe is pushed, namely F is more than or equal to
Figure FDA0003070462620000023
When the maximum value of P is determined, the value of F is measured by a pressure sensor (42) and the maximum value of P is set to PMost preferablyThen the maximum setting of F is:
Figure FDA0003070462620000031
when F is larger than the maximum set value, the motor (3) stops working, the buzzer (13) works, the red indicator lamp (121) is turned on, and the green indicator lamp (122) is turned off.
2. The PICC pulse type flushing pipe device is characterized in that the key area (14) comprises an on-off key (141), a reset key (142), a continue/stop key (143), a forward key (144) and a backward key (145), the setting area (146) comprises a setting key (1461), an upper key (1462), a lower key (1463), a left key (1464) and a right key (1465), and the position of the pushing piece (4) in the arc-shaped groove body (15) is adjusted through the forward key (144) and the backward key (145);
when a switch key (141) is pressed down, the motor (3) drives the pushing piece (4) to move on the shell (11) to push the injector to feed, and in the pushing process, the injector is pushed according to the set T1、T2Periodically and intermittently pushing the syringe to inject the liquid in the syringe into the tube body for tube sealing operation until the liquid in the syringe is in the syringeWhen the pushing of the liquid is finished and F is larger than the maximum set value, the buzzer (13) works.
3. The pulse flush tube device for the PICC according to claim 1, wherein the second through hole (196) extends through the support plate (193) to an inner wall of one side of the second driving groove (195); the mounting plate (198) is matched with the first threaded hole (191) through a screw to be fixed in the mounting groove (19).
4. The PICC pulse type flushing and sealing tube device is characterized in that the screw rod (2) is rotatably arranged in the second through hole (196) through a bearing, the screw rod (2) is arranged in the second driving groove (195), the screw rod (2) extends into the first driving groove (194) through the second through hole (196) and is fixedly connected with a first belt pulley (21), and the two first belt pulleys (21) are rotatably connected with a second belt pulley (31) through a belt.
5. The PICC pulse type flushing and sealing tube device is characterized in that the pushing piece (4) moves in the arc-shaped groove body (15) through the circular supporting plate (41), passes through the square hole (151) through the second connecting block (43), and is matched with the screw rod (2) through the second threaded hole (44), so that the rotation of the motor (3) is converted into the movement that the pushing piece (4) moves on the shell (11).
6. The device of claim 1, wherein the fixed shaft (55) is rotatably coupled to the first through hole (163) by the fixed shaft (55).
7. The PICC pulse type flushing pipe device is characterized in that the diameter of the lock hole (58) is larger than that of the sliding hole (57), and the lock hole (58) is vertically communicated with the fourth square groove (56) and extends to the side edge of the fourth square groove (56).
8. The PICC pulse type flushing and sealing tube device is characterized in that a sliding rod (63) which is located in a sliding hole (57) and slides is arranged on a first limiting block (62), a clamping pin (65) is of a conical structure, a locking handle (61) is pulled to enable a locking piece (6) to rotate and open, a jacket curled edge of the syringe is clamped in a first square groove (152), an end cap of the syringe is clamped in a first arc-shaped clamping groove (46), a pressure sensor (42) is in contact with the end cap of the syringe to limit and fix the axial direction of the syringe, the locking piece (6) is rotated, the clamping pin (65) is clamped and fixed with an N-shaped clamping column (161), the syringe is limited between an arc-shaped groove body (15) and arc-shaped pearl wool (53), and the syringe is limited in the radial direction.
9. The PICC pulse type flushing and sealing tube device as claimed in claim 1, wherein the elastic member (7) is sleeved on the slide rod (63), one end of the elastic member (7) is tightly connected with the inner wall of the lock hole (58), and the other end is tightly connected with the second limit block (64).
CN201910615318.3A 2019-07-09 2019-07-09 PICC pulse type flushing and sealing pipe device and using method thereof Active CN110269972B (en)

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CN208893325U (en) * 2018-04-27 2019-05-24 武汉市中心医院（武汉市第二医院、武汉市肿瘤研究所） Hand electric pulse washing pipe positive pressure tube sealing device

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CN206120845U (en) * 2016-06-08 2017-04-26 镇江市第四人民医院 Vein is kept somewhere needle and is assisted towards tube sealing device
CN208448286U (en) * 2017-08-25 2019-02-01 南通市第一人民医院 A kind of peripheral vein access, which rushes tube sealing, leads and rushes device
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