CN111419349A

CN111419349A - Multifunctional penetrating pipe assembly

Info

Publication number: CN111419349A
Application number: CN202010225280.1A
Authority: CN
Inventors: 芮均帅
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-03-26
Filing date: 2020-03-26
Publication date: 2020-07-17

Abstract

The invention belongs to the technical field of medical instruments and discloses a multifunctional penetrating and placing pipe assembly which comprises a pipe body, wherein the pipe body comprises a first channel and a second channel which are mutually isolated, the first end of the first channel is a first liquid inlet end, the second end of the first channel is a liquid injection end, and liquid medicine is injected through the liquid injection end so as to achieve the purpose of treatment; the first end of the second channel is a second liquid inlet end which is positioned at the side part of the pipe body, and the second end of the second channel is provided with a liquid outlet end and a connecting end which are connected with the liquid outlet end through a liquid pump and used for discharging cerebrospinal fluid; the connecting end is used for being connected with the pressure sensor, and can monitor intracranial pressure constantly so as to realize different functions and embody the multifunctionality of the penetrating pipe; the puncture tube can be repeatedly used, so that the puncture frequency of a patient is reduced, and the puncture pain is reduced. The puncture tube is suitable for the situations of subarachnoid hemorrhage, cerebrospinal fluid replacement, intracranial lesion and trauma, which need long-term monitoring of intracranial pressure, long-term drainage and the like, and need long-term repeated intrathecal injection.

Description

Multifunctional penetrating pipe assembly

Technical Field

The invention relates to the technical field of medical instruments, in particular to a multifunctional penetrating and placing pipe assembly.

Background

Intracranial pressure monitoring and cerebrospinal fluid collection, drainage and replacement by a ventricular or lumbar puncture method are common treatment means in departments of neurology, surgery and the like. From the aspect of medical diagnosis, the intracranial pressure detector can measure the intracranial pressure of a patient and collect cerebrospinal fluid samples of the patient to carry out various tests and examinations, thereby providing a basis for a doctor to confirm the condition of the patient; from the aspect of treatment, the cerebral hemorrhage caused by brain trauma, cerebral apoplexy and cerebral hemorrhage, hematocele in brain operation, encephalomyelitis and the like, and the bloody or inflammatory cerebrospinal fluid can be discharged out of the body, so that the pathological stimulation to the brain and the spinal cord is reduced.

In recent years, more and more neurologic and surgical experts at home and abroad treat patients with cerebral trauma and cerebral hemorrhage by continuously draining or replacing through a lumbar puncture tube, and continuously monitor the intracranial pressure and the cerebrospinal fluid of the patients physically and chemically. Currently, in clinical treatment, a puncture needle is generally inserted into the subarachnoid space of the waist through lumbar puncture to complete catheterization; when measuring pressure, a hose is used for connecting the pressure measuring device, and the intracranial pressure measuring value is read from the pressure measuring device; during drainage, pathological cerebrospinal fluid naturally flows out through the drainage tube; replacement is then by slowly pushing the therapeutic through the syringe. The whole treatment process is time-consuming and labor-consuming, the real-time change condition of intracranial pressure cannot be monitored in time, the tail end pipeline needs to penetrate out of the puncture sheath completely during puncture, the operation is inconvenient, the outflow speed is not easy to control, and the risk of encephalopathy complications is increased. The existing lumbar puncture bag can be used only once, repeated puncture is needed when the lumbar puncture bag is used repeatedly, the outflow speed of cerebrospinal fluid is not easy to control, and if the intracranial pressure is measured repeatedly after the cerebrospinal fluid flows out, the cerebrospinal fluid is easy to remain in the intracranial pressure measuring glass tube and is not easy to discharge, so that the measurement is inaccurate.

Accordingly, there is a need in the art for a multi-functional penetrating tube assembly that addresses the above-mentioned problems.

Disclosure of Invention

At present, in clinical treatment, a puncture needle is generally inserted into a lower cavity of a lumbar arachnoid membrane through lumbar puncture to complete catheterization, the whole treatment process is time-consuming and labor-consuming, the real-time change condition of intracranial pressure cannot be monitored in time, a tail end pipeline needs to penetrate out of a puncture sheath completely during puncture, the operation is inconvenient, the outflow speed is not easy to control, and the risk of encephalopathy complications is increased. The existing lumbar puncture bag can be used only once, repeated puncture is needed when the lumbar puncture bag is used repeatedly, the outflow speed of cerebrospinal fluid is not easy to control, and if the intracranial pressure is measured repeatedly after the cerebrospinal fluid flows out, the cerebrospinal fluid is easy to remain in the intracranial pressure measuring glass tube and is not easy to discharge, so that the measurement is inaccurate. In order to solve the above problems in the prior art, the invention provides a multifunctional penetrating and placing pipe assembly, which comprises a pipe body, wherein the pipe body comprises a first channel and a second channel which are isolated from each other, the first end of the first channel is a first liquid inlet end, the second end of the first channel is a liquid injection end, and liquid medicine is injected through the liquid injection end so as to achieve the purpose of treatment; the first end of the second channel is a second liquid inlet end which is positioned at the side part of the pipe body, and the second end of the second channel is provided with a liquid outlet end and a connecting end which are connected with the liquid outlet end through a liquid pump and used for discharging cerebrospinal fluid; the connecting end is used for being connected with pressure sensor, can monitor intracranial pressure constantly.

In a preferred embodiment of the above multifunctional penetrating pipe assembly, the first channel and the second channel are arranged in parallel, and the second channel is located above the first channel.

In the preferable technical scheme of the multifunctional penetrating pipe assembly, a plurality of first anti-blocking side holes are formed in the side wall of the first end of the first channel of the pipe body.

In the preferable technical scheme of the above multifunctional penetrating pipe assembly, a plurality of second anti-blocking side holes are formed in the outer side wall of the first end of the second channel of the pipe body.

In the preferable technical scheme of the multifunctional puncture tube assembly, the tube body is provided with scales, and the length of the puncture tube entering the body can be known through the scales.

In the preferable technical scheme of the multifunctional penetrating pipe assembly, the multifunctional penetrating pipe assembly further comprises a regulator, the regulator penetrates through the middle of the penetrating pipe, and the regulator controls the opening and closing of the penetrating pipe.

In the preferred technical scheme of above-mentioned multi-functional wearing and putting the pipe assembly, multi-functional wearing and putting the pipe assembly and still including automatic micropump, annotate the liquid end and pass through the hose and be connected with the syringe, the joint portion of automatic micropump is arranged in to the syringe card, through the injection volume, the velocity of flow and the pressure monitoring of infusing of automatic micropump control syringe.

In the preferable technical scheme of the multifunctional puncture and placement tube assembly, the multifunctional puncture and placement tube assembly further comprises a puncture needle, the puncture needle comprises a pillow core and an outer sheath, the puncture needle is used for puncturing the lumbar cisterna, the puncture needle comprises a needle core and the outer sheath, and the needle core is inserted into the outer sheath.

In the preferable technical scheme of the multifunctional puncture tube assembly, the tail part of the needle core is provided with a first matching part, the inclined plane of the puncture end of the needle core and the first matching part are positioned on the same side of the needle core, the tail part of the sheath is provided with a second matching part, the inclined plane of the puncture end of the sheath and the second matching part are positioned on the same side of the sheath, and when the tail part of the needle core and the tail part of the sheath abut against each other, the inclined plane of the puncture end of the needle core and the inclined plane of the puncture end of the sheath are overlapped through the matching of the first matching part and the second matching part.

In the above preferred technical scheme of the multifunctional penetrating pipe assembly, the first matching portion is a concave portion, the second matching portion is a convex portion, and the concave portion is matched with the convex portion.

The technical scheme includes that the multifunctional puncture tube assembly comprises a first channel and a second channel which are independent, the second end of the first channel is a liquid injection end, the second end of the second channel is provided with two branch tubes respectively, the branch tubes are a liquid outlet tube and a connecting end respectively, the liquid injection end is connected with an injector and used for injecting medicine, the liquid outlet tube is used for draining cerebrospinal fluid, and the connecting end is connected with a pressure sensor and used for monitoring intracranial pressure in real time to realize different functions and embody the multifunction of the puncture tube; and the puncture tube can be repeatedly used, thereby reducing the puncture times of patients and the puncture pain. The puncture tube is suitable for subarachnoid hemorrhage, cerebrospinal fluid replacement, intracranial lesion and trauma, which need to monitor intracranial pressure for a long time, drain for a long time, and repeatedly inject tumors or other diseases into the sheath for a long time.

Drawings

Preferred embodiments of the present invention are described below with reference to the accompanying drawings, in which:

FIG. 1 is a front view of one embodiment of a deployment tube of the present invention;

FIG. 2 is a schematic top view of one embodiment of a loading tube of the present invention;

FIG. 3 is a schematic bottom view of one embodiment of a deployment tube of the present invention;

FIG. 4 is a front view of one embodiment of the needle of the present invention;

FIG. 5 is an enlarged view of a portion of FIG. 4 at A;

FIG. 6 is a schematic view of the structure of the penetrating pipe and the automatic micro pump in an assembled state;

reference numerals:

1. puncturing needle; 11. a needle core; 111. a recessed portion; 12. an outer sheath; 121. a boss portion; 2. a first channel; 21. a first liquid inlet end; 22. a liquid injection end; 23. a first anti-blocking side hole; 3. a second channel; 31. a second liquid inlet end; 32. a liquid outlet end; 33. a connecting end; 34. a second anti-blocking side hole; 4. a regulator; 5. a hose; 6. an injector; 7. an automatic syringe pump.

Detailed Description

The present invention is described in terms of particular embodiments, other advantages and features of the invention will become apparent to those skilled in the art from the following disclosure, and it is to be understood that the described embodiments are merely exemplary of the invention and that it is not intended to limit the invention to the particular embodiments disclosed. 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.

It should be noted that in the description of the present invention, the terms "in", "upper", "lower", "lateral", "inner", etc. indicate directions or positional relationships based on those shown in the drawings, which are merely for convenience of description, and do not indicate or imply that the device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

Furthermore, it should be noted that, in the description of the present invention, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; may be a mechanical connection; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

Based on the background technology point out, in the clinical treatment at present, generally, the puncture needle is inserted into the subarachnoid space of the waist through lumbar puncture to complete the catheterization, the whole treatment process is time-consuming and labor-consuming, simultaneously, the real-time change condition of intracranial pressure cannot be monitored in time, a tail end pipeline needs to be completely penetrated out from a puncture sheath during the puncture, the operation is inconvenient, the outflow speed is not easy to control, and the risk of encephalopathy complications is increased. The multifunctional penetrating tube assembly comprises a first channel and a second channel which are independent, the second end of the first channel is a liquid injection end, the second end of the second channel is respectively provided with two branch tubes which are respectively a liquid outlet tube and a connecting end, the liquid injection end is connected with an injector and used for injecting medicine, the liquid outlet tube is used for draining cerebrospinal fluid, and the connecting end is used for being connected with a pressure sensor and used for monitoring intracranial pressure in real time so as to realize different functions and embody the multifunction of the penetrating tube; and the puncture tube can be repeatedly used, thereby reducing the puncture times of patients and the puncture pain. The puncture tube can be suitable for subarachnoid hemorrhage, cerebrospinal fluid replacement, intracranial lesion and trauma, and can be used for monitoring intracranial pressure for a long time, draining for a long time, and repeatedly injecting a tumor or other diseases in a sheath for a long time.

Specifically, as shown in fig. 1 to 3, the multifunctional puncturing and placing tube assembly of the present invention includes a tube body, the tube body includes a first channel 2 and a second channel 3 which are isolated from each other, a first end of the first channel 2 is a first liquid inlet end 21, a second end of the first channel 2 is a liquid injection end 22, and a liquid medicine is injected through the liquid injection end 22 to achieve a therapeutic purpose; the first end of the second channel 3 is a second liquid inlet end 31, the second liquid inlet end 31 is positioned at the side part of the tube body, and the second end of the second channel 3 is provided with a liquid outlet end 32 and a connecting end 33, is connected with the liquid outlet end 32 through a liquid pump and is used for discharging cerebrospinal fluid so as to reduce intracranial pressure; the connection end 33 is used for connecting with a pressure sensor, and can monitor intracranial pressure at any time. At least one of the liquid injection end 22, the liquid outlet end 32 and the connecting end 33 serves as drainage or liquid injection, the names of the liquid injection end 22, the liquid outlet end 32 and the connecting end 33 are only used for clearly describing the versatility of the penetrating pipe, and no limitation is made on the specific functions of the liquid injection end 22, the liquid outlet end 32 and the connecting end 33, that is, for example, the liquid injection end 22 and the liquid outlet end 32 can be simultaneously connected with an injection pump for injecting liquid medicine, and of course, the liquid injection end 22 and the liquid outlet end 32 can also serve as drainage and drainage (in order to ensure that intracranial pressure is within a reasonable range). Because the first liquid inlet end and the second liquid inlet end are separated by a certain distance, liquid inlet through the first liquid inlet end can be simultaneously ensured when cerebrospinal fluid is replaced, the second liquid inlet end is used for drainage and liquid drainage and intracranial pressure detection, the change amplitude of the intracranial pressure is maintained within a certain range, and complications are reduced. If the intracranial pressure is to be measured accurately, the second channel can be closed to avoid errors caused by the fluid pressure. Preferably, as shown in fig. 1 to 3, the first channel 2 is arranged in parallel with the second channel 3, and the second channel 3 is located above the first channel 2.

Preferably, as shown in fig. 2, a plurality of first anti-blocking side holes 23 are provided at the side wall of the first end of the first channel 2 of the pipe body. In the present invention, the shape of the first anti-blocking side hole 23 may be any shape, such as a circular shape, a square shape or a special-shaped structure, and the modification of the shape of the first anti-blocking side hole 23 by those skilled in the art should be limited within the scope of the present invention.

Preferably, as shown in fig. 3, the first end outer side wall of the second channel 3 of the pipe body is provided with a plurality of second block-preventing side holes 34. In the present invention, the shape of the second block-resistant side hole 34 can be any shape, such as a circular shape, a square shape or a special-shaped structure, and the modification of the shape of the first block-resistant side hole 23 by those skilled in the art should be limited within the scope of the present invention.

Preferably, the tube body is provided with a scale, and the length of the penetrating tube entering the body can be known through the scale.

Preferably, as shown in fig. 1 and 6, the multifunctional penetrating pipe assembly further comprises a regulator 4, wherein the regulator 4 is arranged in the middle of the penetrating pipe in a penetrating way, and the regulator 4 is used for controlling the opening and closing of the penetrating pipe. In the invention, the structure of the regulator 4 is similar to that of the regulator 4 in the infusion set, and the specific structure of the regulator is the prior art.

Preferably, as shown in fig. 6, the multifunctional puncture needle assembly further comprises an automatic micro pump, the injection end 22 is connected with the syringe 6 through the hose 5, the syringe 6 is clamped at the clamping part of the automatic micro pump, and the injection amount, the flow rate and the injection pressure of the syringe 6 are controlled by the automatic micro pump.

The automatic injection pump 7 is composed of a control system, an input system, an output system, a stepping motor, a state detection system, an injector 6, a power supply, an alarm system and the like. The main control module can realize the control of the whole system by using a singlechip, and comprises the functions of work control, parameter calculation, keyboard input state display, pressure detection, automatic marking, automatic alarm and the like. The power supply circuit consists of a power supply selection part, a charging part and a voltage boosting part. The power circuit provides the working power supply of the element, can automatically switch the internal power supply and the external power supply, and automatically charges the internal power supply when the external power supply is used. And after the charging is finished, the charging circuit is automatically disconnected. If the external power is cut off, the internal power supply can automatically supply power. The connection module of the stepping motor requires a motor control system to realize high torque, low vibration level, low noise, quick response and high-efficiency driving. The stepping motor is distributed with a controller to obtain a quasi-sine wave driving current. The clock signal controls the speed of the stepper motor. The mechanical transmission principle is adopted. After the instruction of the central circuit is obtained, the stepping motor driving circuit obtains loading voltage, the stepping motor is driven through certain pulse excitation, the stepping motor rotates under certain regular pulse frequency, then the power source is transmitted to the secondary reduction gearbox for speed reduction, the output speed is further refined and transmitted to the screw rod, the screw rod and the half-nut structure form an external circulation rolling screw pair, so that the speed is accurately transmitted to the baffle plate, and stable and accurate feeding motion is provided. The automatic alarm system mainly comprises functions of falling off warning, system warning, normal work indication, battery warning, external power warning and the like. A buzzer is used for sounding or a light emitting diode is used for emitting light to generate a warning signal. A pressure detection system thereof. The sensor is a device or equipment which can sense or respond to the specified physical quantity to be measured and can convert it into usable signal according to a certain rule and output it, and can convert the input variable into electric signal which can be detected, and can transfer various parameters into computer system to make intelligent monitoring and control, and is a front-mounted component in the measuring system. Commonly used pressure sensors include resistance strain gauge pressure sensors, semiconductor strain gauge pressure sensors, piezoresistive pressure sensors, inductive pressure sensors, capacitive pressure sensors, resonant pressure sensors, capacitive acceleration sensors, optical fiber pressure sensors, and the like. Commonly used with syringe pumps are resistive pressure sensors. The working principle of the resistance sensor is to convert the measured non-electricity into a resistance value, the purpose of measuring the non-electricity is achieved by measuring the resistance value, and the bridge is adopted to form a measuring voltage, so that the resistance sensor is a measuring method with higher sensitivity. When there is no differential pressure, the two arms of the bridge are equal. The differential pressure signal is applied to the ceramic piezoresistor, and the resistance of the piezoresistor changes with the differential pressure, resulting in bridge unbalance. The bridge unbalance causes current change, and after amplification, the analog signal is converted into a digital signal and then transmitted to a CPU for processing.

Preferably, comprises a puncture tube and a puncture needle 1; the puncture needle 1 is used for puncturing the lumbar cisterna (the gap between the

lumbar vertebrae

3 and 4 or the gap between the lumbar vertebrae 4 and 5), the puncture needle 1 comprises a needle core 11 and an outer sheath 12, and the needle core 11 is inserted into the outer sheath 12; the puncture needle 1 is inserted into the lumbar cistern, the needle core 11 is withdrawn, the puncture tube is inserted into the outer sheath 12, and then the outer sheath 12 is withdrawn, and the puncture tube is fixed.

Preferably, as shown in fig. 4, the tail of the stylet 11 is provided with a first matching portion, the inclined plane of the puncture end of the stylet 11 and the first matching portion are located on the same side of the stylet 11, the tail of the sheath 12 is provided with a second matching portion, the inclined plane of the puncture end of the sheath 12 and the second matching portion are located on the same side of the sheath 12, when the tail of the stylet 11 abuts against the tail of the sheath 12, the inclined plane of the puncture end of the stylet 11 and the inclined plane of the puncture end of the sheath 12 are overlapped through the matching of the first matching portion and the second matching portion, the puncture end of the sheath 12 is spoon-shaped, the direction of the implanted pipeline can be controlled, the sheath 12 is an incompletely closed cylinder, and the puncture tube can be led out from the side. In the present invention, the first engaging portion and the second engaging portion may have various shapes, for example, the first engaging portion may have a convex structure, and the second engaging portion may have a concave structure, as long as the positioning is achieved by the first engaging portion and the second engaging portion, so that the inclined plane of the puncture end of the stylet 11 coincides with the inclined plane of the puncture end of the sheath 12, and the shape of the first engaging portion and the second engaging portion should be changed by those skilled in the art to be within the protection scope of the present invention.

Preferably, as shown in fig. 4 and 5, the first mating portion is a recess 111, the second mating portion is a protrusion 121, and the recess 111 is mated with the protrusion 121. The recessed portion 111 may be a semicircular, cylindrical, triangular or other special-shaped recessed structure, the protruding portion 121 may be a semicircular, cylindrical, triangular or other special-shaped protruding structure, as long as the recessed portion 111 and the protruding portion 121 are in positioning fit, so that the inclined plane of the puncture end of the stylet 11 coincides with the inclined plane of the puncture end of the sheath 12, and the shape changes of the protruding portion 121 and the recessed portion 111 by those skilled in the art should be limited within the protection scope of the present invention.

So far, the technical solutions of the present invention have been described in connection with the preferred embodiments shown in the drawings, but it is easily understood by those skilled in the art that the scope of the present invention is obviously not limited to these specific embodiments. Equivalent changes or substitutions of related technical features can be made by those skilled in the art without departing from the principle of the invention, and the technical scheme after the changes or substitutions can fall into the protection scope of the invention.

Claims

1. A multifunctional penetrating and placing pipe assembly is characterized in that a penetrating and placing pipe comprises a pipe body, the pipe body comprises a first channel and a second channel which are mutually isolated, the first end of the first channel is a first liquid inlet end, the second end of the first channel is a liquid injection end, and liquid medicine is injected through the liquid injection end so as to achieve the purpose of treatment;

the first end of the second channel is a second liquid inlet end which is positioned at the side part of the pipe body, and the second end of the second channel is provided with a liquid outlet end and a connecting end which are connected with the liquid outlet end through a liquid pump and used for discharging cerebrospinal fluid; the connecting end is used for being connected with pressure sensor, can monitor intracranial pressure constantly.

2. The multi-functional puncturing tube assembly of claim 1, wherein the first channel is disposed in parallel with the second channel, the second channel being located above the first channel.

3. The multifunctional puncture and deployment tube assembly of claim 1, wherein the first channel of the tubular body is provided with a plurality of first lateral anti-blockage holes in a sidewall of the first end thereof.

4. The multifunctional puncture tube assembly of claim 1, wherein the first end exterior sidewall of the second passageway of the tubular body is provided with a plurality of second anti-clog side holes.

5. The multi-functional penetrating tube assembly of claim 1 wherein said body is provided with graduations through which the length of said penetrating tube extending into the body is determined.

6. The multifunctional penetrating pipe assembly of claim 1 further comprising an adjuster disposed through a middle portion of the penetrating pipe, wherein the adjuster controls opening and closing of the penetrating pipe.

7. The multifunctional puncturing tube assembly of claim 1, further comprising an automatic micro pump, wherein the injection end is connected to a syringe through a hose, the syringe is clamped in a clamping portion of the automatic micro pump, and the injection amount, flow rate and injection pressure of the syringe are controlled by the automatic micro pump.

8. The multifunctional puncture and placement tube assembly of claim 1, further comprising a puncture needle, wherein the puncture needle comprises a pillow core and an outer sheath, the puncture needle is used for puncturing at the lumbar cisterna, the puncture needle comprises a needle core and an outer sheath, and the needle core is inserted into the outer sheath.

9. The multifunctional puncture and indwelling tube assembly of claim 8, wherein the tail portion of the stylet is provided with a first engaging portion, the bevel of the puncture end of the stylet is located on the same side of the stylet as the first engaging portion, the tail portion of the sheath is provided with a second engaging portion, the bevel of the puncture end of the sheath is located on the same side of the sheath as the second engaging portion, and when the tail portion of the stylet abuts against the tail portion of the sheath, the bevel of the puncture end of the stylet coincides with the bevel of the puncture end of the sheath through engagement of the first engaging portion and the second engaging portion.

10. The multifunctional puncture tube assembly of claim 9, wherein the first mating portion is a recessed portion and the second mating portion is a raised portion, the recessed portion mating with the raised portion.