CN111282032B - Simple pipe clamping trainer and control method thereof - Google Patents

Simple pipe clamping trainer and control method thereof Download PDF

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CN111282032B
CN111282032B CN202010090520.1A CN202010090520A CN111282032B CN 111282032 B CN111282032 B CN 111282032B CN 202010090520 A CN202010090520 A CN 202010090520A CN 111282032 B CN111282032 B CN 111282032B
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limiting
limiting groove
hole
housing
catheter
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CN111282032A (en
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张贝
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Tongji Medical College of Huazhong University of Science and Technology
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Tongji Medical College of Huazhong University of Science and Technology
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    • A61M1/0023—
    • 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
    • A61M1/00—Suction or pumping devices for medical purposes; Devices for carrying-off, for treatment of, or for carrying-over, body-liquids; Drainage systems
    • A61M1/71—Suction drainage systems
    • A61M1/74—Suction control
    • 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
    • A61M39/00—Tubes, tube connectors, tube couplings, valves, access sites or the like, specially adapted for medical use
    • A61M39/22—Valves or arrangement of valves
    • 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
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
    • Y02A50/30—Against vector-borne diseases, e.g. mosquito-borne, fly-borne, tick-borne or waterborne diseases whose impact is exacerbated by climate change

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  • Health & Medical Sciences (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Hematology (AREA)
  • Engineering & Computer Science (AREA)
  • Anesthesiology (AREA)
  • Biomedical Technology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Vascular Medicine (AREA)
  • Pulmonology (AREA)
  • External Artificial Organs (AREA)

Abstract

The invention provides a simple pipe clamping trainer, which comprises: an outer housing having a ring shape with a ring-shaped cavity at the center; a fixed housing radially provided in the outer housing and communicating with the fixed housing, the fixed housing having a through hole; the first limiting groove is arranged in the inner ring of the fixed shell and is communicated with the annular cavity; the second limiting groove is arranged in the inner ring of the fixed shell and is opposite to the first limiting groove, and the second limiting groove is not communicated with the annular cavity; the invention relates to a control method of a simple catheter clamping training device, which comprises the steps of driving a driving disc to rotate by a motor so as to drive the limiting column to slide along a fixed shell, enabling the limiting hole to coincide with the through hole or be misplaced so as to accommodate the medical catheter to pass through or clamp the catheter, realizing automatic closing of the catheter and further providing a control method of the simple catheter clamping training device.

Description

Simple pipe clamping trainer and control method thereof
Technical Field
The invention relates to the field of medical instruments, in particular to a simple tube clamping trainer and a control method of the simple tube clamping trainer.
Background
Catheterization is a common operation technology in clinic, and is divided into two types, namely catheterization by inserting a catheter into the urinary bladder through the urethra to drain urine and intermittent catheterization, wherein the former catheter is always remained in a patient, so that the patient with the catheterization needs to clamp the catheter at regular time to exercise the bladder function, and the phenomenon of urine retention caused by poor bladder function recovery after the catheter is pulled out is avoided. At present, no special catheter clamp is clinically seen, only a manual clamp mechanism on a drainage tube bag is provided, and due to the fact that a timing function, an alarm function and the like are not provided, the clamp is not opened for a long time due to human negligence, and the bladder pressure is too large to cause damage, so that the design of the catheter clamp for the bladder function exercise of a patient with indwelling catheterization is urgent.
The patent application document of application number 201720261141.8 discloses a catheter clamp, through the work of control solenoid valve, has the electromagnetic insert and the draw-in groove cooperation of circular arc notch, with the catheter clamp in the middle, has realized the catheterization control to the patient, but catheter clamp is easy to install, but the catheter very easily slides out from the circular arc notch of electromagnetic insert.
Patent application document No. 201720537105.X discloses a catheter clamp, and the catheter is reeved out and is provided the protection or the catheter that breaks up to overlength is broken up and is received the pipe clamp of restraint, can avoid the catheter extrusion or break up through partly fixed to the catheter to reduce unable drainage urine, the emergence of the circumstances that the catheter was pulled at will, but the catheter clamp does not solve the problem of manual closing clamping mechanism.
Disclosure of Invention
The invention provides a simple catheter clamping trainer, which is characterized in that a motor drives a driving disc to rotate so as to drive a limiting column to slide along a fixed shell, so that a limiting hole coincides with a through hole or is misplaced, a medical catheter is accommodated to pass through or clamp the catheter, and the automatic closing of the catheter is realized.
According to the invention, the physical ability coefficient of the patient can be calculated according to the worn time of the infusion tube and the symptoms of the patient, and meanwhile, the volume of the liquid medicine collected in the urethral catheterization bag is detected, so that the fine adjustment of the closing period of the ureter is realized.
The technical scheme of the invention is as follows:
a simple pinch trainer comprising:
an outer housing having a ring shape with a ring-shaped cavity at the center;
a fixed housing radially provided in the outer housing and communicating with the fixed housing, the fixed housing having a through hole;
the first limiting groove is arranged in the inner ring of the fixed shell and is communicated with the annular cavity;
the second limiting groove is arranged in the inner ring of the fixed shell and is opposite to the first limiting groove, and the second limiting groove is not communicated with the annular cavity;
the limiting column is elastically supported between the first limiting groove and the second limiting groove and is provided with a limiting hole, and the limiting hole can coincide with the through hole so as to accommodate the medical catheter to pass through.
Preferably, the stationary housing includes:
a first connecting portion which is a cylindrical housing;
a second connecting part which is a cylindrical shell;
and a spherical portion which is a spherical housing and has a through hole, and is provided between the first connection portion and the second connection portion.
Preferably, the limit post includes:
the first limiting part is cylindrical and is supported in the first limiting groove and provided with a limiting hole;
an elastic supporting part, one end of which is connected with the first limiting part;
and one end of the second limiting part is connected with the other end of the elastic supporting part.
Preferably, the method further comprises:
a drive disk rotatably supported within the annular cavity of the outer housing, the drive disk surface having ratchet teeth distributed in an array;
the driving disc can drive the first limiting part to compress the elastic supporting part to generate radial displacement along the fixed shell.
Preferably, one end of the first limiting part is provided with an inclined table, and the inclined table can be attached to the inner teeth of the ratchet wheel to limit the unidirectional rotation of the driving disc.
Preferably, the drive disc rim has external teeth.
Preferably, the method further comprises: and the driving rotating wheel is rotatably supported at one end of the fixed shell, is meshed with the driving disc and can drive the driving disc to rotate.
Preferably, the drive wheel is driven by a motor.
A simple pipe clamping trainer control method comprises the following steps:
step one, calculating physical ability coefficients of a patient according to the worn time of an infusion tube and the symptoms of the patient, and detecting the volume of liquid medicine collected in a urethral catheterization bag, wherein the physical ability coefficients of the patient are calculated according to the calculation formula:
Figure GDA0004182759840000031
wherein, the liquid crystal display device comprises a liquid crystal display device,
Figure GDA0004182759840000036
is physical ability coefficient, m is patient weight, c is disease index, < ->
Figure GDA0004182759840000032
The patient is worn with the catheter for a period of time, and T is the average wearing time of the catheter;
calculating a clamping training period of a patient according to the physical ability coefficient and the liquid medicine volume in the urethral catheterization bag, wherein the clamping training period is as follows:
Figure GDA0004182759840000033
Figure GDA0004182759840000034
wherein omega i For the opening time of the urethral catheterization bag, V is the volume of urine in the urethral catheterization bag,
Figure GDA0004182759840000035
the average value of urine in the urine guiding bag; omega λ The closing time of the urethral catheterization bag;
and thirdly, comparing the clamping training period with a threshold value, and correcting the clamping training period if the clamping training period is larger than the threshold value.
Preferably, the clipping training correction formula in the third step is as follows:
Figure GDA0004182759840000041
Figure GDA0004182759840000042
wherein k is f For the first correction coefficient, k c Is the second correction coefficient.
The beneficial effects of the invention are that
The invention provides a simple catheter clamping trainer, which is characterized in that a motor drives a driving disc to rotate so as to drive a limiting column to slide along a fixed shell, so that a limiting hole coincides with a through hole or is misplaced, a medical catheter is accommodated to pass through or clamp the catheter, and the automatic closing of the catheter is realized.
Drawings
Fig. 1 is a schematic structural diagram of a simple pipe clamping trainer according to the present invention.
Fig. 2 is a schematic structural view of the outer case and the fixed case according to the present invention.
Fig. 3 is a schematic structural view of a limiting post according to the present invention.
Fig. 4 is a schematic structural view of a driving disc according to the present invention.
Detailed Description
The present invention is described in further detail below with reference to the drawings to enable those skilled in the art to practice the invention by referring to the description.
As shown in fig. 1, the simple pipe clamping trainer provided by the invention comprises: the outer housing 110, the fixed housing 120, the limit post 130, the drive disk 140, and the drive wheel 150.
Wherein the outer housing 110 is annular. And the outer housing 110 has an annular cavity 111 at the center thereof, and has a square or circular cross section as a kind of limited annular cavity.
The fixed housing 120 is radially arranged in the outer housing 110 and is communicated with the fixed housing 110, the fixed housing 110 is provided with a through hole 121, and the first limit groove 122 is arranged on the inner ring of the fixed housing 120 and is communicated with the annular cavity 111; the second limiting groove 123 is arranged on the inner ring of the fixed shell 120 and is opposite to the first limiting groove 122, and the second limiting groove 123 is not communicated with the annular cavity 111;
the limiting post 130 is elastically supported between the first limiting groove 122 and the second limiting groove 123, and is provided with a limiting hole 134, and the limiting hole 134 can coincide with the through hole 121 so as to accommodate the passage of the medical catheter.
As shown in fig. 2, the stationary housing 120 includes: a first connection portion 124, a second connection portion 125, and a spherical portion 126. A first connection 124 cylindrical housing; the second connection portion 125 is a cylindrical housing; the spherical portion 126 is a spherical housing, and has a through hole 121 provided between the first connecting portion 124 and the second connecting portion 125, and the first connecting portion 124, the second connecting portion 125, and the spherical portion 126 together constitute a fixed housing 120 having a through cavity.
As shown in fig. 3, the stopper post 130 includes: a first limiting portion 131, an elastic supporting portion 132, and a second limiting portion 133. The first limiting part 131 is cylindrical and is supported in the first limiting groove 122, and is provided with a limiting hole 134; one end of the elastic supporting part 132 is connected with the first limiting part 131; one end of the second limiting portion 133 is connected to the other end of the elastic supporting portion 132.
As shown in fig. 4, the drive disk 140 is rotatably supported in the annular cavity 111 of the outer housing 110, and the surface of the drive disk 140 has ratchet teeth 141 distributed in an array; the driving disc 140 can drive the first limiting portion 131 to compress the elastic supporting portion 132 to generate radial displacement along the fixed housing 120. One end of the first limiting portion 131 has a ramp, and can engage with the ratchet inner teeth 141 to limit unidirectional rotation of the drive disk 140.
Preferably, the drive disk 140 has external teeth 142 on its edge. Further comprises: the driving wheel 150 is rotatably supported at one end of the fixed housing 120 and engaged with the driving disk 140, and is capable of driving the driving disk 140 to rotate. The drive wheel 150 is driven by a motor.
The working process of the simple pipe clamping training device is taken as an example for further explanation
Starting a motor to drive the driving disc 140 to rotate, wherein the surface of the driving disc 140 is provided with ratchet internal teeth 141 distributed in an array manner; the first limiting part 131 is attached to the position of the driving disc 140 without the ratchet wheel inner teeth, the driving disc 140 can drive the first limiting part 131 to compress the elastic supporting part 132 to generate radial displacement along the fixed shell 120, and the limiting hole 134 can be overlapped with the through 121 hole so as to accommodate the medical catheter to pass through.
The motor is started again to drive the driving disc 140 to rotate, the surface of the driving disc 140 is provided with ratchet internal teeth 141 distributed in an array manner, the ratchet internal teeth 141 are attached to the first limiting part 131, the first limiting part 131 generates radial displacement along the fixed shell 120, the elastic supporting part 132 is unfolded, the first limiting part 131 stretches into the first limiting groove 122, the limiting hole 134 can be misplaced with the through hole 121, and the catheter is clamped by the limiting columns 131 through holes 121.
The invention provides a simple catheter clamping trainer, which is characterized in that a motor drives a driving disc to rotate so as to drive a limiting column to slide along a fixed shell, so that a limiting hole coincides with a through hole or is misplaced, a medical catheter is accommodated to pass through or clamp the catheter, and the automatic closing of the catheter is realized.
A simple pipe clamping trainer control method comprises the following steps:
step one, calculating physical ability coefficients of a patient according to the worn time of an infusion tube and the symptoms of the patient, and detecting the volume of liquid medicine collected in a urethral catheterization bag, wherein the physical ability coefficients of the patient are calculated according to the calculation formula:
Figure GDA0004182759840000061
wherein, the liquid crystal display device comprises a liquid crystal display device,
Figure GDA0004182759840000064
is physical ability coefficient, m is patient weight, c is disease index, < ->
Figure GDA0004182759840000063
The patient is worn with the catheter for a period of time, and T is the average wearing time of the catheter;
calculating a clamping training period of a patient according to the physical ability coefficient and the liquid medicine volume in the urethral catheterization bag, wherein the clamping training period is as follows:
Figure GDA0004182759840000062
Figure GDA0004182759840000071
wherein omega i For the opening time of the urethral catheterization bag, V is the volume of urine in the urethral catheterization bag,
Figure GDA0004182759840000074
the average value of urine in the urine guiding bag; omega λ The closing time of the urethral catheterization bag;
and step three, comparing the clamping training period with a threshold value, and correcting the clamping training period if the clamping training period is larger than the threshold value, wherein a clamping training correction formula is as follows:
Figure GDA0004182759840000072
Figure GDA0004182759840000073
wherein k is f For the first correction coefficient, k c Is the second correction coefficient.
According to the invention, the physical ability coefficient of the patient can be calculated according to the worn time of the infusion tube and the symptoms of the patient, and meanwhile, the volume of the liquid medicine collected in the urethral catheterization bag is detected, so that the fine adjustment of the closing period of the ureter is realized.
Although embodiments of the present invention have been disclosed above, it is not limited to the details and embodiments shown and described, it is well suited to various fields of use for which the invention would be readily apparent to those skilled in the art, and accordingly, the invention is not limited to the specific details and illustrations shown and described herein, without departing from the general concepts defined in the claims and their equivalents.

Claims (3)

1. A simple pipe clamping trainer, comprising:
an outer housing having a ring shape with a ring-shaped cavity at the center;
a fixed housing radially provided in the outer housing and communicating with the outer housing, the fixed housing having a through hole;
the first limiting groove is arranged in the inner ring of the fixed shell and is communicated with the annular cavity;
the second limiting groove is arranged in the inner ring of the fixed shell and is opposite to the first limiting groove, and the second limiting groove is not communicated with the annular cavity;
the limiting column is elastically supported between the first limiting groove and the second limiting groove and is provided with a limiting hole;
the stationary housing includes:
a first connecting portion which is a cylindrical housing;
a second connecting part which is a cylindrical shell;
a spherical portion which is a spherical housing and has a through hole, the spherical portion being provided between the first connection portion and the second connection portion;
the spacing post includes:
the first limiting part is cylindrical and is supported in the first limiting groove and provided with a limiting hole;
an elastic supporting part, one end of which is connected with the first limiting part;
one end of the second limiting part is connected with the other end of the elastic supporting part;
the trainer further comprises:
a drive disk rotatably supported within the annular cavity of the outer housing, the drive disk surface having ratchet teeth distributed in an array;
the driving disc can drive the first limiting part to compress the elastic supporting part to generate radial displacement along the fixed shell, and the limiting hole can be overlapped with the through hole so as to accommodate the passage of the medical catheter;
one end of the first limiting part is provided with an inclined table which can be attached to the inner teeth of the ratchet wheel to limit the unidirectional rotation of the driving disc;
the drive disk rim has external teeth.
2. The simplified tube gripping trainer of claim 1, further comprising: and the driving rotating wheel is rotatably supported at one end of the fixed shell, is meshed with the driving disc and can drive the driving disc to rotate.
3. The simplified tube gripping trainer of claim 2, wherein said drive wheel is driven by a motor.
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Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3822286A1 (en) * 1988-07-01 1990-01-04 Bks Gmbh DRIVE LOCK SWITCH LOCK, ESPECIALLY FOR DRIVE ROD LOCKINGS ON DOOR-OD. DGL. -WING
CN207734390U (en) * 2017-03-07 2018-08-17 中国人民解放军第五十九中心医院 A kind of catheter clip closes device
CN208405492U (en) * 2017-12-29 2019-01-22 苏州大学附属第二医院 A kind of intermittent catheter clamping external member and the chamber pot using it
CN110237401A (en) * 2019-07-26 2019-09-17 淮安市第一人民医院 A kind of clip for drainage tube closes device
CN212575332U (en) * 2020-02-13 2021-02-23 华中科技大学同济医学院附属协和医院 Simple pipe clamping trainer

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