CN215994172U

CN215994172U - Multifunctional integrated lumbar puncture device

Info

Publication number: CN215994172U
Application number: CN202121777338.XU
Authority: CN
Inventors: 杨霁
Original assignee: Individual
Current assignee: Shanghai Pudong New Area Peoples Hospital
Priority date: 2021-08-02
Filing date: 2021-08-02
Publication date: 2022-03-11
Anticipated expiration: 2031-08-02

Abstract

The utility model relates to a multifunctional integrated lumbar puncture device, which comprises: the hollow transparent needle head and the needle tube and the hollow handle are sequentially connected; inlay on the handle and establish flexible display screen, be equipped with signal amplification circuit and controller in the handle, set up rotatory hole on the handle, the pivot is worn to be equipped with in the rotatory hole, the one end of pivot and the knob fixed connection of arranging the handle in outside, the fixed seal wire of wearing to establish needle tubing and syringe needle in the pivot, the one end head of seal wire is provided with pressure sensor, perpendicular intercommunication has first and second cerebrospinal fluid collecting pipe on the needle tubing, there is first ooff valve on the first cerebrospinal fluid collecting pipe, there is the second ooff valve on the second cerebrospinal fluid collecting pipe, there is the third ooff valve on the needle tubing, the one end connection of first cerebrospinal fluid collecting pipe has cerebrospinal fluid pressure tester, the one end connection of second cerebrospinal fluid collecting pipe has the liquid trap, the separation blade of establishing is flushed mutually with one side of being close to the handle of first cerebrospinal fluid collecting pipe and second cerebrospinal fluid collecting pipe in the syringe tube.

Description

Multifunctional integrated lumbar puncture device

Technical Field

The utility model relates to the technical field of medical instruments, in particular to a multifunctional integrated lumbar puncture device.

Background

Lumbar puncture is commonly used for checking the property of cerebrospinal fluid, has important significance for diagnosing nervous system diseases, and is widely applied to the auxiliary diagnosis of neurology diseases, such as meningitis, encephalitis, hemorrhagic cerebrovascular diseases, brain tumors, myelopathy and other nervous system diseases which can not be diagnosed and treated through routine checking. In addition, the cerebrospinal fluid pressure and the cerebrospinal fluid dynamics examination can be carried out through the lumbar puncture, and contrast agents and medicines can be injected.

The existing lumbar puncture device has the following defects and shortcomings: the structure is simple, and the function is single; whether the puncture position is accurate or not is generally judged by means of the feeling and experience of operators in the puncture process, the puncture accuracy cannot be guaranteed, puncture failure may be caused, the needle insertion depth cannot be mastered during operation, the injury to patients is easily caused, and the risk of medical accidents is increased; only the extraction of the cerebrospinal fluid can be realized, the pressure and the storage of the extracted cerebrospinal fluid cannot be detected in real time, and if the force of an operator is unstable during the extraction of the cerebrospinal fluid, various complications such as cerebral hernia and the like of a patient are easily caused; the cerebrospinal fluid flow is difficult to control, the drainage can not be stopped in time, the headache degree of the patient is easy to aggravate, and the cerebral hernia is caused.

SUMMERY OF THE UTILITY MODEL

Aiming at the problems and the defects in the prior art, the utility model provides a novel multifunctional integrated lumbar puncture device.

The utility model solves the technical problems through the following technical scheme:

the utility model provides a multifunctional integrated lumbar puncture device which is characterized by comprising a needle head with a hollow transparent structure, a needle tube with a hollow transparent structure and a handle with a hollow structure, wherein the needle head is detachably connected with one end of the needle tube, the other end of the needle tube is detachably connected with one end of the handle, the diameter of the handle is larger than that of the needle tube, and the diameter of the needle tube is larger than that of the needle head.

The utility model discloses a portable medical instrument, including handle, pivot, signal amplification circuit, controller, signal amplification circuit and controller, set up rotatory hole on the handle, wear to be equipped with the pivot in the rotatory hole, the one end of pivot and the knob fixed connection of arranging the handle in outside, the other end of pivot and the inner wall swivelling joint of handle, be fixed with the other end of seal wire in the pivot, needle tubing and syringe needle are worn to establish to the one end of seal wire, the one end head of seal wire is provided with pressure sensor, the external diameter of seal wire equals with the internal diameter of syringe needle.

The needle tube is vertically communicated with a first cerebrospinal fluid collecting tube and a second cerebrospinal fluid collecting tube, one end of the first cerebrospinal fluid collecting tube is provided with a first switch valve, one end of the second cerebrospinal fluid collecting tube is provided with a second switch valve, the needle tube is provided with a third switch valve, the third switch valve is close to the needle head, the first cerebrospinal fluid collecting tube and the second cerebrospinal fluid collecting tube are far away from the needle head, one end of the first cerebrospinal fluid collecting tube is connected with a cerebrospinal fluid pressure tester, one end of the second cerebrospinal fluid collecting tube is connected with a liquid collector, a baffle is embedded in the needle tube and is flush with one side, close to the handle, of the first cerebrospinal fluid collecting tube and the second cerebrospinal fluid collecting tube, the guide wire penetrates through a through hole in the baffle, the outer diameter of the guide wire is equal to the diameter of the through hole, and the pressure sensor, the signal amplifying circuit and the controller are electrically connected in sequence, the flexible display screen is electrically connected with the controller.

Preferably, the circumferential surface of the other end of the handle is provided with an anti-slip surface.

Preferably, the controller employs PIC18F 4580.

Preferably, the first cerebrospinal fluid collecting tube and the second cerebrospinal fluid collecting tube are hermetically connected with the needle tube at the connection part.

Preferably, the needle head is in threaded connection with one end of the needle tube, and the other end of the needle tube is in threaded connection with one end of the handle.

On the basis of the common knowledge in the field, the above preferred conditions can be combined randomly to obtain the preferred embodiments of the utility model.

The positive progress effects of the utility model are as follows:

when the position of extraction cerebrospinal fluid is inserted to the syringe needle, rotatory knob, there is the pressure differential between cerebrospinal fluid collecting pipe and the syringe needle, and the opening range of third ooff valve is adjusted in the cerebrospinal fluid flows into the syringe needle to adjust the velocity of flow of cerebrospinal fluid, thereby avoid cerebrospinal fluid to release too fast and trigger the possibility that low cranium pressed or cerebral hernia formed, when cerebrospinal fluid reaches required, close the third ooff valve, avoid the too much discharge of cerebrospinal fluid, alleviate patient's painful degree, avoid triggering cerebral hernia.

Cerebrospinal fluid in the first cerebrospinal fluid collecting pipe flows into the liquid trap, and the liquid trap can carry out timely collection and storage to the cerebrospinal fluid of extracting, and cerebrospinal fluid pressure tester tests the cerebrospinal fluid pressure value to the cerebrospinal fluid in the second cerebrospinal fluid collecting pipe, no longer need collect earlier the cerebrospinal fluid and carry out pressure detection again, saves the work step of puncture work, improves lumbar puncture device's work efficiency.

Drawings

Fig. 1 is a schematic structural view of a multifunctional integrated lumbar puncture device according to an embodiment of the present invention.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, 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 some, but not all, embodiments of the present invention. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.

As shown in fig. 1, the embodiment provides a multifunctional integrated lumbar puncture device, which includes a needle head 1 with a hollow transparent structure, a needle tube 2 with a hollow transparent structure, and a handle 3 with a hollow structure, wherein the needle head 1 is in threaded connection with one end of the needle tube 2, the other end of the needle tube 2 is in threaded connection with one end of the handle 3, the diameter of the handle 3 is greater than that of the needle tube 2, and the diameter of the needle tube 2 is greater than that of the needle head 1.

Inlay on the handle 3 and be equipped with flexible display screen 4, be provided with non-slip surface 14 on the periphery of the other end of handle 3, be provided with signal amplification circuit and controller (like model PIC18F4580) in the handle 3, rotatory hole has been seted up on the handle 3, the pivot is worn to be equipped with in the rotatory hole, the one end of pivot with arrange the outer 5 fixed connection of knob of handle 3 in, the other end of pivot and the inner wall swivelling joint of handle 3, be fixed with the other end of seal wire 6 in the pivot, needle tubing 2 and syringe needle 1 are worn to establish to the one end of seal wire 6, the one end head of seal wire 6 is provided with pressure sensor 7 (like wireless pressure sensor), the external diameter of seal wire 6 equals with the internal diameter of syringe needle 1.

The needle tube 2 is vertically communicated with a first cerebrospinal fluid collecting tube 8 and a second cerebrospinal fluid collecting tube 15, the joint of the first cerebrospinal fluid collecting tube 8 and the second cerebrospinal fluid collecting tube 15 and the needle tube 2 is connected with each other in a sealing manner, one end of the first cerebrospinal fluid collecting tube 8 is provided with a first switch valve 9, one end of the second cerebrospinal fluid collecting tube 15 is provided with a second switch valve 10, the needle tube 2 is provided with a third switch valve 11, the third switch valve 11 is close to the needle head 1, the first cerebrospinal fluid collecting tube 8 and the second cerebrospinal fluid collecting tube 15 are far away from the needle head 1, one end of the first cerebrospinal fluid collecting tube 8 is connected with a cerebrospinal fluid pressure tester 12, one end of the second cerebrospinal fluid collecting tube 15 is connected with a liquid collector 13, a blocking piece 16 is embedded in the needle tube 2, and the blocking piece 16 is flush with one side, close to the handle, of the first cerebrospinal fluid collecting tube 8 and the second cerebrospinal fluid collecting tube 15, the seal wire 6 penetrates through the through hole in the baffle 16, the outer diameter of the seal wire is equal to the diameter of the through hole, the pressure sensor 7, the signal amplification circuit and the controller are electrically connected in sequence, and the flexible display screen 4 is electrically connected with the controller.

When carrying out the lumbar puncture, handle 3 is handed to operating personnel, it is internal to promote syringe needle 1 to puncture into patient, guide wire 6 plays the guide effect, syringe needle 1 is stretched out to guide wire 6, pressure sensor 7 real-time detection puncture pressure, and carry out signal amplification to signal amplification circuit with the pressure signal transmission who detects out, pressure value transmission to controller after the signal amplification, controller control flexible display screen 4 shows the pressure value, operating personnel adjusts the puncture position based on the pressure value that shows, the puncture pressure value shows promptly when reaching a minimum and reachs the puncture position. Rotatory knob 5, the winding that contracts of seal wire 6 is in the pivot for there is pressure difference between cerebrospinal fluid collecting pipe and the syringe needle 1, and in the cerebrospinal fluid flowed into syringe needle 1, continue rotatory knob 5, the one end of seal wire 6 is inlayed and is established on separation blade 16, plugs up the perforation on the separation blade 16, prevents that the cerebrospinal fluid from flowing into in being close to the needle tubing 2 of 3 sides of handle.

The opening amplitude of the third switch valve 11 is adjusted to adjust the flow rate of the cerebrospinal fluid, so that the possibility of low intracranial pressure or cerebral hernia caused by too fast release of the cerebrospinal fluid is avoided, when the cerebrospinal fluid is needed, the third switch valve 11 is closed, the excessive discharge of the cerebrospinal fluid is avoided, the pain degree of a patient is relieved, and the cerebral hernia is avoided.

The first switch valve 9 is opened, the cerebrospinal fluid pressure tester 12 tests the pressure value of cerebrospinal fluid in the second cerebrospinal fluid collecting tube 15, and after the test is finished, the first switch valve 9 is closed. When the second switch valve 10 is opened, the cerebrospinal fluid in the first cerebrospinal fluid collecting tube 8 flows into the liquid trap 13.

While specific embodiments of the utility model have been described above, it will be appreciated by those skilled in the art that these are by way of example only, and that the scope of the utility model is defined by the appended claims. Various changes and modifications to these embodiments may be made by those skilled in the art without departing from the spirit and scope of the utility model, and these changes and modifications are within the scope of the utility model.

Claims

1. A multifunctional integrated lumbar puncture device is characterized by comprising a needle head with a hollow transparent structure, a needle tube with a hollow transparent structure and a handle with a hollow structure, wherein the needle head is detachably connected with one end of the needle tube;

the flexible display screen is embedded in the handle, a signal amplification circuit and a controller are arranged in the handle, a rotating hole is formed in the handle, a rotating shaft penetrates through the rotating hole, one end of the rotating shaft is fixedly connected with a knob arranged outside the handle, the other end of the rotating shaft is rotatably connected with the inner wall of the handle, the other end of a guide wire is fixed on the rotating shaft, a needle tube and a needle head penetrate through one end of the guide wire, a pressure sensor is arranged at the head of one end of the guide wire, and the outer diameter of the guide wire is equal to the inner diameter of the needle head;

2. The multifunctional integrated lumbar puncture device according to claim 1, wherein the circumferential surface of the other end of the handle is provided with a slip-proof surface.

3. The multifunctional integrated lumbar puncture device of claim 1, wherein the controller is PIC18F 4580.

4. The multifunctional integrated lumbar puncture device of claim 1, wherein the first cerebrospinal fluid collecting tube and the second cerebrospinal fluid collecting tube are hermetically connected with the needle tube at the connection point.

5. The multifunctional integrated lumbar puncture device according to claim 1, wherein the needle is threadedly connected to one end of the needle tube, and the other end of the needle tube is threadedly connected to one end of the handle.