Cerebrospinal fluid shunt tube and accessory structure thereof

Abstract

The utility model discloses a cerebrospinal fluid shunt tube and an accessory structure thereof, and particularly relates to the field of medical instruments, the cerebrospinal fluid shunt tube comprises a polypropylene base, a silica gel dome is arranged on the surface of the polypropylene base, a liquid storage bag is arranged in the silica gel dome, an inlet and an outlet are respectively arranged at two ends of the silica gel dome, and speed limiters are arranged on two sides of the silica gel dome. A ray impermeability mark is arranged inside the silica gel dome, a ray impermeability flow arrow is arranged on the surface of the silica gel dome, a ray impermeability pressure point is marked on one side of the ray impermeability flow arrow, the tantalum-impregnated ray impermeability flow arrow is marked on the surface of the silica gel dome so as to indicate the flow direction from the near end to the far end, and meanwhile, the tantalum-impregnated ray impermeability flow arrow is marked on the surface of the silica gel dome so as to indicate the flow direction from the near end to the far end. Radiopaque pressure points are provided to identify the valve pressure using X-rays, and radiopaque indicia on each adapter base allow a doctor to identify the relative position of the in vivo catheter and valve by X-rays when using the radiopaque catheter, so that the doctor views and adjusts the pressure.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of medical apparatus and instruments more specifically, the utility model relates to a kind of cerebrospinal fluid shunt and its accessory structure. BACKGROUND

[0002] Cerebrospinal fluid shunt is applied to ventriculoperitoneal shunt in all kinds of hydrocephalus patient, refers to in lateral ventricle occipital horn puncture, the excessive cerebrospinal fluid in ventricle is shunted to peritoneal cavity peritoneum site, and is absorbed, helps the patient with hydrocephalus to remove the recent excessive liquid in ventricle a kind of sterile device;

[0003] Traditional ventriculoperitoneal shunt or lumbar cistern shunt function is single, mainly rely on the pressure valve on shunt device to control, when intracranial pressure is higher than the valve pressure, cerebrospinal fluid flows to peritoneal cavity, and adjustment mode is not enough delicate;

[0004] Therefore, aiming at the above problems, a cerebrospinal fluid shunt and its accessory structure are provided. UTILITY MODEL CONTENT

[0005] In order to overcome the above-mentioned defects of the prior art, the embodiments of the utility model provide a cerebrospinal fluid shunt and its accessory structure to solve the problems raised in the above background art.

[0006] To achieve the above object, the utility model provides the following technical scheme: a cerebrospinal fluid shunt and its accessory structure, including polypropylene base, characterized by, the polypropylene base surface is provided with silica gel dome, and silica gel dome inside is provided with liquid storage bag, silica gel dome two ends are provided with inlet and outlet respectively, silica gel dome two sides are provided with speed limiter, and silica gel dome inside is provided with radio-opaque marker, and the surface of silica gel dome is provided with radio-opaque flow arrow, and the side of radio-opaque flow arrow is marked with radio-opaque pressure point.

[0007] Preferably, the silica gel dome inside is provided with a silica gel diaphragm valve, and the silica gel diaphragm valve side is provided with a port.

[0008] Preferably, the surface of the silica gel dome is provided with a needle, and the needle is a coreless needle with a diameter of 25 ga or less for injection through the dome.

[0009] Preferably, the silica gel dome inlet end is provided with a silica gel pipeline, and the other end of the silica gel pipeline is connected with a pressure gauge, and when the silica gel pipeline, the pressure gauge and the inlet are connected, the silica gel pipeline completely covers the interface.

[0010] Preferably, the end of the pressure gauge away from the silica gel pipeline is provided with a syringe, and the top end of the pressure gauge is provided with a pressure calibration device.

[0011] The utility model has the following technical effects and advantages:

[0012] Compared with the prior art, the utility model discloses the silicone elastomer and polypropylene are made, have general type and small -size two models, to adapt to different patient population, the outside improvement of valve main part hydrophilic surface design, the lubricity and easy insertion are strengthened, the surface of the silicone dome of the application is marked with the radiopaque flow arrow of tantalum impregnation, to indicate the flow from the proximal end to the distal end, simultaneously, be provided with radiopaque pressure point, in order to use X ray to identify valve pressure, and the radiopaque mark on each joint base allows doctors to identify the relative position of the catheter and valve in the body through X ray when using radiopaque catheter, so that the doctor checks the pressure and adjusts. BRIEF DESCRIPTION OF DRAWINGS

[0013] Figure 1 It is whole structure schematic diagram of the utility model.

[0014] Figure 2 It is the structure schematic diagram of shunt surface of the utility model.

[0015] Figure 3 It is the structure schematic diagram of shunt accessory equipment of the utility model.

[0016] The drawing mark is: 1, polypropylene base, 2, inlet, 3, outlet, 4, radiopaque mark, 5, port, 6, silicone diaphragm valve, 7, speed limiter, 8, liquid storage bag, 9, silicone dome, 10, radiopaque flow arrow, 11, radiopaque pressure point, 12, needle, 13, syringe, 14, pressure gauge, 15, silicone pipeline, 16, pressure calibration equipment. DETAILED DESCRIPTION

[0017] The technical scheme in the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model, obviously, the described embodiments are only a part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without making creative labor belong to the range of protection of the utility model.

[0018] Embodiment one

[0019] As shown in accompanying Figure 1 And Figure 2 The structure of a cerebrospinal fluid shunt and its accessories, including polypropylene base 1, polypropylene base 1 surface is provided with silicone dome 9, and the inside of silicone dome 9 is provided with liquid storage bag 8, the both ends of silicone dome 9 are provided with inlet 2 and outlet 3 respectively, the both sides of silicone dome 9 are provided with speed limiter 7, the inside of silicone dome 9 is provided with radiopaque mark 4, and the surface of silicone dome 9 is provided with radiopaque flow arrow 10, and one side of radiopaque flow arrow 10 is marked with radiopaque pressure point 11.

[0020] Wherein: the surface of the silicone dome 9 is marked with tantalum impregnated radio-opaque flow arrows 10 to indicate the flow direction from proximal to distal, and radio-opaque pressure points 11 are provided so that the valve pressure can be identified using X-rays, and the radio-opaque markings 4 on each connector base allow the physician to identify the relative position of the catheter and valve in the body by X-rays when using a radio-opaque catheter, so that the physician can check the pressure and make adjustments.

[0021] Example two

[0022] Based on the basis of example one, the scheme in example one is further refined in combination with the specific working mode as follows:

[0023] As shown in Figure 1 , as a preferred embodiment; the silicone dome 9 is provided with a silicone diaphragm valve 6 inside, and one side of the silicone diaphragm valve 6 is provided with a port 5, further, the flow rate of the cerebrospinal fluid can be adjusted more finely through the silicone diaphragm valve 6 inside the silicone dome 9 and the port 5.

[0024] As shown in Figure 2 , as a preferred embodiment; the silicone dome 9 is provided with a needle 12 on the surface, and the needle 12 is a 25ga and below coreless needle for injection through the dome, further, the 25ga and below coreless needle is used for injection through the dome to deliver sterile liquid into the liquid storage bag 8.

[0025] As shown in Figure 3 , as a preferred embodiment; the silicone dome 9 is provided with a silicone tube 15 at the inlet 2 end, and the other end of the silicone tube 15 is connected with a pressure gauge 14, when the silicone tube 15 and the pressure gauge 14 and the inlet 2 are connected, the silicone tube 15 completely covers the interface, further, when the silicone tube 15 and the pressure gauge 14 and the inlet 2 are connected, the silicone tube 15 completely covers the interface, and the silicone tube 15 is fixed to the connector by surrounding the ligature, which increases the sealing property of the device.

[0026] As shown in Figure 3 , as a preferred embodiment; the pressure gauge 14 is provided with a syringe 13 away from the other end of the silicone tube 15, and the pressure gauge 14 is provided with a pressure calibration device 16 at the top end, further, when testing before placing the device, the pressure gauge 14 and the syringe 13 are used for testing, and the pressure of the device is adjusted by the pressure calibration device 16.

[0027] The working process of the utility model is as follows:

[0028] The utility model uses, by the silicone elastomer and polypropylene are made, have general type and small -size two models, to adapt to different patient population, the outside improvement of valve main part hydrophilic surface design, strengthen lubricity and easy to insert, the surface of the silica gel dome 9 of the application is marked with tantalum impregnated radio opaque flow arrow 10, to indicate the flow from the proximal end to the distal end, at the same time, be provided with radio opaque pressure point 11, in order to use X line identification valve pressure, the radio opaque mark 4 on each joint base allows doctors to identify the relative position of the catheter and valve in the body through X line when using radio opaque catheter, so that the doctor checks the pressure and adjusts.

[0029] Finally, a few points should be noted that: first, in the description of the present application, it should be noted that, unless otherwise specified and limited, the term "installation", "connected", "connection" should be broad, can be mechanical or electrical connection, can be two elements inside the communication, can be directly connected, "up", "down", "left", "right" are only used to indicate the relative position relationship, when the absolute position of the described object changes, the relative position relationship can change;

[0030] Second: the utility model discloses the embodiment in the drawing, only relate to the structure involved in the embodiment of the present disclosure, other structures can refer to the usual design, under the condition of no conflict, the same embodiment and different embodiments of the utility model can be combined with each other;

[0031] Finally: the above only for the preferred embodiment of the utility model has, and does not limit the utility model, any modification, equivalent replacement, improvement etc. that is made within the spirit and principle of the utility model, should be contained in the protection scope of the utility model.

Claims

1. A cerebrospinal fluid shunt and its accessory structure comprising a polypropylene base (1), characterized in that, The polypropylene base (1) is provided with a silica gel dome (9) on the surface, and the silica gel dome (9) is provided with a liquid storage bag (8) inside, the silica gel dome (9) is provided with an inlet (2) and an outlet (3) at both ends respectively, the silica gel dome (9) is provided with a speed limiter (7) on both sides, the silica gel dome (9) is provided with a radio-opaque mark (4) inside, and the silica gel dome (9) is provided with a radio-opaque flow arrow (10) on the surface, and the radio-opaque flow arrow (10) is marked with a radio-opaque pressure point (11) on one side.

2. A cerebrospinal fluid shunt and its accessory structure according to claim 1, characterized in that: The silica gel dome (9) is provided with a silica gel diaphragm valve (6) inside, and the silica gel diaphragm valve (6) is provided with a port (5) on one side.

3. The cerebrospinal fluid shunt and its accessories according to claim 1, wherein: The silica gel dome (9) is provided with a needle (12) on the surface, and the needle (12) is injected through the dome by using a coreless needle of 25ga and below.

4. The cerebrospinal fluid shunt and its accessory structures according to claim 1, wherein: The silica gel dome (9) is provided with a silica gel pipeline (15) at the inlet (2) end, and the other end of the silica gel pipeline (15) is connected with a pressure gauge (14), when the silica gel pipeline (15) and the pressure gauge (14) and the inlet (2) are connected, the silica gel pipeline (15) completely covers the interface.

5. A cerebrospinal fluid shunt and its accessory structure according to claim 4, characterized in that: The pressure gauge (14) is provided with a syringe (13) away from the silica gel pipeline (15) at one end, and the pressure gauge (14) is provided with a pressure calibration device (16) at the top.

Images