CN113679927A

CN113679927A - Pipe anticreep detects and alarm device

Info

Publication number: CN113679927A
Application number: CN202111076162.XA
Authority: CN
Inventors: 肖一慧; 胡洁
Original assignee: Tongji Medical College of Huazhong University of Science and Technology
Current assignee: Tongji Medical College of Huazhong University of Science and Technology
Priority date: 2021-09-14
Filing date: 2021-09-14
Publication date: 2021-11-23
Anticipated expiration: 2041-09-14
Also published as: CN113679927B

Abstract

The invention discloses a catheter anti-drop detection and alarm device, which comprises a flow pipe, a micro-pressure pipe connected to the end part of the flow pipe and a pressurizing sleeve sleeved on the flow pipe and the micro-pressure pipe, wherein the micro-pressure pipe is sleeved on the outer side of a connected catheter to enable the flow pipe to be communicated with the connected catheter, a separation alarm is arranged between the micro-pressure pipe and the connected catheter, and the separation alarm is used for alarming when the micro-pressure pipe is separated from the connected catheter. The invention sets a warning device at the connection part of the conduits, the warning device is extruded by the two conduits connected, when the conduits fall off, the pressure sensing device on the warning device senses the pressure disappearance, and then the warning is given; this alarm can automatic warning and location when the pipe breaks away from to realize medical personnel's quick searching and reconnection, improve the reconnection efficiency of pipeline, and simple structure, low in manufacturing cost.

Description

Pipe anticreep detects and alarm device

Technical Field

The invention relates to the technical field of medical auxiliary instruments, in particular to a catheter anti-falling detection and alarm device.

Background

In the field of medical devices, it is often necessary to connect pipes together, such as an airflow pipe in a ventilator or a soft joint for neurosurgery, and there are a plurality of pipes which need to be connected with other instrument pipes to transport gas and liquid medicine.

The fluid in the conduit often has certain velocity of flow, perhaps medical personnel need constantly remove the conduit at medical procedure in-process for the junction of conduit drops because of fluid impact or whipping easily, influences fluidic transportation, and the pipeline figure in the medical instrument is more, and the short time probably can't be cared for the condition of droing of pipeline, and even unable judgement is that which pipeline drops, influences the efficiency of inserting again, can threaten patient's life health when serious.

An existing intelligent infusion apparatus (with publication number of CN210963333U) for both infusion and blood transfusion has a function of alarm, and when a tube falls off, the detector detects the falling state of the tube and gives an alarm. However, the alarm device of the detector generally has a large volume, or the device with the detection function is connected with the device with the alarm function through a wireless signal, when the alarm device gives an alarm, medical personnel still can difficultly find out disconnected pipelines from a plurality of pipelines, and the reconnection efficiency is influenced.

Disclosure of Invention

The invention aims to provide a catheter anti-falling detection and alarm device to solve the technical problem that in the prior art, the specific position of a disconnected pipeline is difficult to judge, so that the reconnection efficiency is low.

In order to solve the technical problems, the invention specifically provides the following technical scheme:

the invention provides a catheter anti-drop detection and alarm device, which comprises a flow pipe, a micro-pressure pipe connected to the end part of the flow pipe and a pressurizing sleeve sleeved on the flow pipe and the micro-pressure pipe, wherein the micro-pressure pipe is sleeved on the outer side of a connected catheter to enable the flow pipe to be communicated with the connected catheter, a separation alarm is arranged between the micro-pressure pipe and the connected catheter, and the separation alarm is used for alarming when the micro-pressure pipe is separated from the connected catheter.

As a preferable scheme of the present invention, the detachment warning device includes a pressure sensing mechanism disposed on an inner wall of the micro-pressure pipe, and a warning device connected to the pressure sensing mechanism through a line module, the warning device is disposed on the outer wall of the micro-pressure pipe, and the line module is embedded in a pipe wall of the micro-pressure pipe.

As a preferable scheme of the present invention, the circuit module includes an annular electric wire embedded around an inner wall of the micro pressure tube, the annular electric wire penetrates the micro pressure tube downwards to be connected to a micro power supply, the micro power supply is disposed on an outer wall of the micro pressure tube, a power switch is disposed between the micro power supply and the annular electric wire, the annular electric wire penetrates the micro pressure tube upwards to be connected to the alarm, and the pressure sensing mechanism is disposed on the annular electric wire.

As a preferable aspect of the present invention, the pressure sensing mechanism includes a plurality of T-shaped compression nodes circumferentially disposed on an inner wall of the micro pressure tube, and a connection node disposed on the ring-shaped electric wire, and both ends of the T-shaped compression nodes are connected to the connection node and form a passage with the ring-shaped electric wire;

when the T-shaped compression node is arranged between the micro-pressure pipe and the connected pipe in an extrusion mode, the T-shaped compression node drives the inner wall of the micro-pressure pipe to deform, two ends of the inner wall of the micro-pressure pipe are disconnected with the connection node, and when the pressure applied to the T-shaped compression node disappears, the T-shaped compression node resets in the micro-pressure pipe and is communicated with the connection node.

In a preferred embodiment of the present invention, the micropressure tube is soft and elastic.

As a preferable scheme of the present invention, a reset connecting band is disposed between the T-shaped compression node and the connection node, and the reset connecting band has elasticity.

As a preferable scheme of the present invention, the fluid delivery pipe is installed at the left end of the pressurization sleeve, the micro pressure pipe is installed at the right end of the pressurization sleeve, the inner diameter of the pressurization sleeve sequentially increases from left to right, and the pressurization sleeve rotates rightwards on the micro pressure pipe under the action of an external force and gradually pressurizes the connection between the micro pressure pipe and the connected conduit.

As a preferable scheme of the present invention, the outer wall of the micro-pressure pipe is rotatably provided with a thread groove, the inner wall of the pressing sleeve is provided with a thread strip matching with the thread groove, and the pressing sleeve is fastened to the micro-pressure pipe through the thread strip.

As a preferable scheme of the present invention, a limiting tooth groove is provided in a trough of the thread groove, a latch is provided on the thread strip, one side of the latch is provided with a straight surface, and the other side of the latch is provided with an inclined surface, the limiting tooth groove is matched with the latch in shape, when the pressurizing sleeve is screwed right on the micro-pressure pipe, the inclined surface of the latch slides in the limiting tooth groove and sequentially passes through the limiting tooth grooves, and the straight surface of the latch is limited in the limiting tooth groove to prevent the pressurizing sleeve from reversely rotating.

In a preferred embodiment of the present invention, the outer wall of the pressure sleeve is provided with a plurality of concave pits, and the concave pits are used for increasing the friction force on the outer wall of the pressure sleeve.

Compared with the prior art, the invention has the following beneficial effects:

the alarm is arranged at the joint of the guide pipes, the two guide pipes connected with the alarm are extruded, and when the guide pipes fall off, the pressure sensing device on the alarm senses that the pressure disappears, so that the alarm can be given; this alarm can automatic warning and location when the pipe breaks away from to realize medical personnel's quick searching and reconnection, improve the reconnection efficiency of pipeline, and simple structure, low in manufacturing cost.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It should be apparent that the drawings in the following description are merely exemplary, and that other embodiments can be derived from the drawings provided by those of ordinary skill in the art without inventive effort.

FIG. 1 is a schematic structural view of a catheter anti-detachment detecting and alarming device according to an embodiment of the present invention;

FIG. 2 is a schematic side view of a detachment warning device according to an embodiment of the present invention;

FIG. 3 is a schematic diagram of a pressure sensing mechanism according to an embodiment of the present invention;

FIG. 4 is a schematic structural view of a spacing spline according to an embodiment of the present invention;

fig. 5 is a schematic structural view of a latch according to an embodiment of the present invention.

The reference numerals in the drawings denote the following, respectively:

1-a flow pipe; 2-micro-pressure pipe; 3-pressing the sleeve; 4-detachment warning device; 5-resetting the connecting belt; 6-thread groove; 7-a thread strip; 8-limiting tooth grooves; 9-latch; 10-pits;

401-a pressure sensing mechanism; 402-an alarm; 403-a circuit module;

4011-T type compression node; 4012-connecting nodes; 4031-ring wire; 4032-micro power supply; 4033-power switch.

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.

As shown in fig. 1 to 5, the invention provides a catheter anti-drop detection and alarm device, which comprises a fluid delivery pipe 1 for delivering liquid, a micro-pressure pipe 2 connected to an end of the fluid delivery pipe 1, and a pressure sleeve 3 sleeved on the fluid delivery pipe 1 and the micro-pressure pipe 2, wherein the micro-pressure pipe 2 is sleeved outside a connected catheter to enable the fluid delivery pipe 1 to be communicated with the connected catheter, a separation alarm 4 is arranged between the micro-pressure pipe 2 and the connected catheter, and the separation alarm 4 is used for alarming when the micro-pressure pipe 2 is separated from the connected catheter.

The specific use mode is as follows:

firstly, sleeving a micro-pressure pipe 2 provided with a detachment alarm 4 on a connected pipe body, slightly deforming the micro-pressure pipe 2 at the moment, and increasing the inner diameter, wherein the detachment alarm 4 is arranged between the inner wall of the micro-pressure pipe 2 and the connected pipe body at the moment;

secondly, rotating the pressurizing sleeve 3 to enable the pressurizing sleeve to rotate from the flow conveying pipe 1 to the micro-pressure pipe 2, wherein the micro-pressure pipe 2 is extruded by the inner diameter of the pressurizing sleeve 3, and the more the pressurizing sleeve 3 moves, the better the extruding effect is;

thirdly, the pressurizing sleeve 3 extrudes the separation warning device 4 in the rotating process to prevent the micro-pressure pipe 2 from breaking loose, so that the separation warning device 4 is always in a pressurized state, if the micro-pressure pipe 2 is loosened, the separation warning device 4 gives a warning, and the position relation among the micro-pressure pipe 2, the connected pipe body and the pressurizing sleeve 3 is manually adjusted again;

fourthly, if the micro-pressure pipe 2 is separated from the connected pipe body, the pressurizing sleeve 3 is rotated reversely.

The invention sets a pressure sleeve 3 with extrusion function at one end of the micro-pressure pipe 2, so that the connection between the micro-pressure pipe 2 and the connected pipe is more compact, and sets an alarm with the function of breaking away, namely alarming at the other end of the micro-pressure pipe 2, wherein the alarm is set between the inner wall of the micro-pressure pipe 2 and the connected pipe, and is extruded in the connection process and the pressurization state, and the alarm is triggered when the alarm falls off. The internal diameter of the pressurizing sleeve 3 is close to and extrudes the junction of body at the junction of rotation process to the body for the pressure increase of body junction prevents that the body junction from droing, provides the pressure environment for breaking away from the alarm, and the alarm is warned when the body breaks away from, prevents that the body from droing for a long time and influencing the transport of liquid medicine.

This breaks away from alarm 4 direct mount in the junction of pipeline to through pressure work, structure and function are simple, and medical personnel only need judge alarm direction, can fix a position the pipeline position of disconnection, improve the efficiency of takeover again.

Specifically, the detachment alarm 4 includes a pressure sensing mechanism 401 disposed on the inner wall of the micro-pressure pipe 2 and an alarm 402 connected to the pressure sensing mechanism 401 through a line module 403, the alarm 402 is disposed on the outer wall of the micro-pressure pipe 2, and the line module 403 is embedded in advance on the pipe wall of the micro-pressure pipe 2.

The line module 403 is a copper wire embedded in the pipe wall of the micro-pressure pipe 2, and is a general circuit for connecting the pressure sensing mechanism 401 and the alarm 402 together. Under the action of the pressure sensing device, the circuit is broken when being subjected to pressure, and a passage is formed when not being subjected to pressure.

The alarm 402 has a simple installation structure, is directly installed at the joint of the pipeline and is convenient to position.

The alarm 402 may be a buzzer, a small bulb, or a combination thereof, and the alarm 402 will give an alarm when the line module 403 is on.

In this embodiment, the line module 403 includes an annular electric wire 4031 embedded around the inner wall of the micro-pressure tube 2, the annular electric wire 4031 passes through the micro-pressure tube 2 downwards to be connected with a micro-power supply 4032, the micro-power supply 4032 is arranged on the outer wall of the micro-pressure tube 2, a power switch 4033 is arranged between the micro-power supply 4032 and the annular electric wire 4031, the annular electric wire 4031 passes through the micro-pressure tube 2 upwards to be connected with the alarm 402, and the pressure sensing mechanism 401 is arranged on the annular electric wire 4031.

In the present embodiment, the pressure sensing mechanism 401 includes a plurality of T-shaped compression nodes 4011 circumferentially disposed on the inner wall of the micro-pressure pipe 2 and a connection node 4012 disposed on the ring-shaped electric wire 4031, and both ends of the T-shaped compression nodes 4011 are connected to the connection node 4012 and form a passage with the ring-shaped electric wire 4031; this T type compression node 4011 is the miniature T style of calligraphy compression node of metal class, and one end is worn out the little pressure pipe 2 and is connected with the external world, and the material has electrically conductive function.

When T type compression node 4011 extrusion setting is between minute-pressure pipe 2 and being taken the pipeline, T type compression node 4011 drives the inner wall deformation of minute-pressure pipe 2 and its both ends and connected node 4012 disconnection, resets and communicates with connected node 4012 in minute-pressure pipe 2 when the pressure that T type compression node 4011 received disappears.

Specifically, annular electric wire 4031 fracture and be divided into multistage arc electric wire, and the inner wall that the pipe 2 was pressed to the micropressure is passed at the both ends of this arc electric wire is connected with connected node 4012, and this connected node 4012 sets up on the inner wall of pipe 2 is pressed to the micropressure, and has electrically conductive function, and T type compression node 4011 is half installed on pipe 2 is pressed to the micropressure, and second half wears out the inner wall of pipe 2 and is taken over pipeline direct contact.

When the micro-pressure tube 2 is not connected to a connected pipeline or falls off from the connected pipeline, the T-shaped compression node 4011 is tightened on the micro-pressure tube 2, two ends of the T-shaped compression node are in contact with the connection node 4012, and at this time, if the power switch 4033 is turned on, a current path is formed, and the alarm is started; when the micro-pressure tube 2 is connected to a connected pipeline, the connected pipeline outwards extrudes the T-shaped compression node 4011 to enable two ends of the T-shaped compression node 4011 to be disconnected with the connection node 4012, a connected open circuit is disconnected, and the alarm is closed.

Preferably, the micro-pressure tube 2 is soft in texture and elastic. When the micro-pressure pipe 2 falls off, the T-shaped compression node 4011 wrapped by the micro-pressure pipe 2 is restored to the original position by the elasticity of the micro-pressure pipe 2, and the micro-pressure pipe is connected with the connection node 4012 again.

In order to prevent the shaping of the deformation of the micro-pressure tube 2, and to cause the T-shaped compression node 4011 to be difficult to recover, a reset connecting band 5 is arranged between the T-shaped compression node 4011 and the connection node 4012, and the reset connecting band 5 has elasticity and is not conductive. Reset connection strip 5 is provided at the lower end of T-shaped compression node 4011, as shown.

In this embodiment, the fluid delivery pipe 1 is installed at the left end of the pressurization sleeve 3, the micro-pressure pipe 2 is installed at the right end of the pressurization sleeve 3, the inner diameter of the pressurization sleeve 3 sequentially increases from left to right, and the pressurization sleeve 3 rotates rightwards on the micro-pressure pipe 2 under the action of external force and gradually pressurizes the connection part of the micro-pressure pipe 2 and the connected conduit.

Preferably, in order to prevent the front end of the micro-pressure pipe 2 from falling off, so that the catheter is always broken, a thread groove 6 is rotatably arranged on the outer wall of the micro-pressure pipe 2, a thread strip 7 matched with the thread groove 6 is arranged on the inner wall of the pressurizing sleeve 3, and the pressurizing sleeve 3 is clamped on the micro-pressure pipe 2 through the thread strip 7.

Threaded connection is reverse rotation easily, lead to the pipe to drop, so in this embodiment, be provided with spacing tooth's socket 8 in the trough valley of thread groove 6, be provided with latch 9 on the

thread strip

7, 9 one side of latch is for the setting of straight face and the opposite side is the inclined plane setting, spacing tooth's socket 8 cooperatees with the shape of latch 9, the inclined plane of latch 9 slides and passes a plurality of spacing tooth's sockets 8 in proper order when screwing right on the micro-pressure pipe 2 on the pressurization cover 3, and the straight face of latch 9 is by spacing 3 reverse rotation of prevention pressurization cover in spacing tooth's socket 8.

Preferably, the outer wall of the pressure sleeve 3 is provided with a plurality of concave pits 10 which are concave downwards, and the concave pits 10 are used for increasing the friction force on the outer wall of the pressure sleeve 3.

Through the pipe anticreep of this embodiment detects and alarm device, can realize that the pipe is automatic when breaking away from and warn and fix a position to realize medical personnel's quick searching and reconnection, improve the reconnection efficiency of pipeline, simple structure, low in manufacturing cost.

The above embodiments are only exemplary embodiments of the present application, and are not intended to limit the present application, and the protection scope of the present application is defined by the claims. Various modifications and equivalents may be made by those skilled in the art within the spirit and scope of the present application and such modifications and equivalents should also be considered to be within the scope of the present application.

Claims

1. The utility model provides a pipe anticreep detects and alarm device, its characterized in that, including defeated flow tube (1), connect in defeated flow tube (1) tip the little pressure pipe (2) and cup joint simultaneously defeated flow tube (1) with pressure cover (3) on the little pressure pipe (2), little pressure pipe (2) are used for cup jointing and are being connect the pipe outside and make defeated flow tube (1) with being connected the pipe intercommunication, little pressure pipe (2) and being connected be provided with between the pipe and break away from alarm (4), break away from alarm (4) and be used for warning when little pressure pipe (2) break away from being connected the pipe.

2. The catheter anti-drop detection and alarm device according to claim 1, wherein the separation alarm (4) comprises a pressure sensing mechanism (401) arranged on the inner wall of the micro-pressure pipe (2) and an alarm (402) connected with the pressure sensing mechanism (401) through a line module (403), the alarm (402) is arranged on the outer wall of the micro-pressure pipe (2), and the line module (403) is embedded in the pipe wall of the micro-pressure pipe (2).

3. The catheter anti-drop detection and alarm device according to claim 2, wherein the line module (403) comprises a ring-shaped electric wire (4031) embedded around the inner wall of the micro-pressure tube (2), the ring-shaped electric wire (4031) passes through the micro-pressure tube (2) downwards to be connected with a micro power supply (4032), the micro power supply (4032) is arranged on the outer wall of the micro-pressure tube (2), a power switch (4033) is arranged between the micro power supply (4032) and the ring-shaped electric wire (4031), the ring-shaped electric wire (4031) passes through the micro-pressure tube (2) upwards to be connected with the alarm (402), and the pressure sensing mechanism (401) is arranged on the ring-shaped electric wire (4031).

4. The catheter anti-drop detection and alarm device according to claim 3, wherein the pressure sensing mechanism (401) comprises a plurality of T-shaped compression nodes (4011) arranged on the inner wall of the micro-pressure pipe (2) in a surrounding manner and a connection node (4012) arranged on the annular electric wire (4031), and two ends of each T-shaped compression node (4011) are connected with the connection node (4012) and form a passage with the annular electric wire (4031);

when T type compression node (4011) extrusion sets up when pipe (2) is pressed to the pressure pipe a little and being taken over between the pipeline, T type compression node (4011) drive the inner wall deformation of pressing pipe a little (2) and its both ends with connected node (4012) disconnection, work as when the pressure that T type compression node (4011) received disappears when resetting in pressing pipe a little (2) and with connected node (4012) intercommunication.

5. The catheter anti-detachment detecting and alarming device according to claim 4, wherein the micro-pressure tube (2) is soft and elastic in texture.

6. The catheter anti-drop detection and alarm device according to claim 5, wherein a reset connecting band (5) is arranged between the T-shaped compression node (4011) and the connection node (4012), and the reset connecting band (5) has elasticity.

7. The catheter anti-drop detection and alarm device according to claim 1, wherein the fluid delivery pipe (1) is installed at the left end of the pressurizing sleeve (3), the micro-pressure pipe (2) is installed at the right end of the pressurizing sleeve (3), the inner diameter of the pressurizing sleeve (3) sequentially increases from left to right, and the pressurizing sleeve (3) rotates rightwards on the micro-pressure pipe (2) under the action of external force and gradually pressurizes the joint of the micro-pressure pipe (2) and the connected catheter.

8. The catheter anti-drop detection and alarm device according to claim 7, wherein a thread groove (6) is rotatably arranged on the outer wall of the micro-pressure tube (2), a thread strip (7) matched with the thread groove (6) is arranged on the inner wall of the pressurizing sleeve (3), and the pressurizing sleeve (3) is clamped on the micro-pressure tube (2) through the thread strip (7).

9. The catheter anti-drop detection and alarm device according to claim 8, wherein a limiting tooth groove (8) is formed in a valley of the thread groove (6), a clamping tooth (9) is arranged on the thread strip (7), one side of the clamping tooth (9) is arranged in a straight surface mode, the other side of the clamping tooth is arranged in an inclined surface mode, the limiting tooth groove (8) is matched with the clamping tooth (9), when the pressurizing sleeve (3) is screwed on the micro-pressure pipe (2) rightwards, the inclined surface of the clamping tooth (9) slides in the limiting tooth groove (8) and sequentially penetrates through the limiting tooth grooves (8), and the straight surface of the clamping tooth (9) is limited in the limiting tooth groove (8) to prevent the pressurizing sleeve (3) from reversely rotating.

10. The catheter anti-drop detection and alarm device according to claim 7, wherein a plurality of concave pits (10) are formed in the outer wall of the pressure sleeve (3) in a downward concave mode, and the concave pits (10) are used for increasing the friction force on the outer wall of the pressure sleeve (3).