Drainage fixing device for subscalp puncture Ommaya sac, namely liquid storage sac

Abstract

The invention discloses a drainage fixing device for a subscalp puncture Oma sac, namely a liquid storage sac. The depth of the medical stainless steel puncture needle can be adjusted within a safe range through a progressive thread type knob, the medical stainless steel puncture needle is provided with a side hole, and the drainage cavity is made of a medical silica gel material, is tightly attached to the scalp surface through a soft liner, is firmly fixed through a surrounding type fixing belt and is connected with a drainage tube and a drainage bottle. The puncture needle is punctured into the Oma bag, namely the liquid storage bag, and is adjusted to a proper depth through the progressive threaded knob, and liquid in the bag is drained into a drainage cavity through a side hole of the puncture needle and finally collected into a drainage device. In this way, the problem that the liquid storage bag puncture needle is difficult to fix can be solved. By means of the device, the liquid storage bag can be rapidly punctured, the drainage bottle can be rapidly connected, multiple times of puncture of the liquid storage bag caused by adjustment and re-fixation of the puncture needle are reduced, intracranial infection caused by scalp infection is further reduced, pain of a patient is reduced, time consumed by clinical neurosurgeons is reduced, and tedious work caused by multiple times of puncture is reduced.

Description

Technical Field

[0001] The invention relates to the technical field of medical devices, and in particular to a drainage and fixing device for puncturing an Ommaya capsule, i.e. a liquid storage capsule, under the scalp. Background Art

[0002] The Ommaya reservoir is a ventricular drainage device invented by Ommaya in 1963. It consists of a flat reservoir buried under the scalp and a drainage tube inserted into the ventricle. The Ommaya capsule was initially used in the clinic to treat central nervous system tumors by injecting drugs into the ventricles or cystic tumors. It is also used to treat fungal meningitis. In recent years, the application scope of the Ommaya capsule has gradually expanded in clinical practice. At present, after the placement of the ventricular puncture reservoir in patients with intraventricular hemorrhage, cerebral hemorrhage, hydrocephalus, intracranial infection, and subdural effusion in neurosurgery, clinicians often use infusion needles to bend and deform them, puncture the scalp to insert the reservoir, and suture and fix them. This puncture and fixation method is time-consuming, and each doctor has different techniques, resulting in a very high rate of fixation loss. Many patients need to be punctured and drained again, which increases the incidence of intracranial infection. Therefore, the present invention is designed in combination with clinical practice as a drainage and fixation device for subscalp puncture of the Ommaya capsule, i.e., the fluid storage capsule, which is both effective and time-saving and beneficial to both doctors and patients. Summary of the invention

[0003] The main technical problem solved by the present invention is to provide a drainage fixation device for Ommaya capsule, i.e., a reservoir capsule, through scalp puncture, which can solve the problems of time-consuming, difficult, high shedding rate, and high incidence of intracranial infection caused by repeated adjustment of the Ommaya reservoir capsule puncture needle fixation. In order to solve the above technical problems, a technical solution adopted by the present invention is to provide a drainage fixation device for Ommaya capsule, i.e., a reservoir capsule, through scalp puncture. The specific solution includes: 1) a medical puncture needle with a side hole that can adjust the depth within a safe range through a progressive threaded knob, and 2) a soft pad made of medical silicone material that fits tightly to the scalp surface and is fixed to the surgical area of ​​the patient's head with a surrounding fixing belt, and is connected to the drainage tube and the drainage bottle. The puncture needle punctures the Ommaya capsule, i.e., the reservoir capsule, and is adjusted to a suitable depth through a progressive threaded knob. The liquid in the capsule is drained into the drainage cavity through the side hole of the puncture needle, and finally collected into the drainage device. The above-mentioned medical puncture needle and drainage cavity are of split design. The drainage cavity with medical silicone parts needs low temperature disinfection, while the medical stainless steel puncture needle can be sterilized at high temperature to ensure the disinfection effect and further prevent intracranial infection. The two parts are assembled in actual application. The beneficial effects of the present invention are: the present invention is particularly suitable for patients after ventricular puncture reservoir capsule implantation. Through this device, the reservoir capsule can be punctured quickly and the drainage bottle can be connected, reducing multiple punctures of the reservoir capsule, and further reducing intracranial infection complicated by scalp infection, reducing patient pain, reducing the time-consuming operation of clinical neurosurgeons, and reducing the tedious work caused by multiple punctures. The device can make clinicians and patients feel very relaxed and convenient. BRIEF DESCRIPTION OF THE DRAWINGS

[0004] Figure 1 It is a three-dimensional structural schematic diagram of a drainage and fixing device for puncturing an Ommaya capsule, i.e., a liquid storage capsule, under the scalp according to the present invention; Figure 2 The present invention is a schematic diagram of a preferred application example of a drainage fixation device for puncturing an Ommaya sac, i.e., a fluid reservoir, under the scalp; the components in the figure are marked as follows: 1. a puncture needle with adjustable depth, a side hole, and a nut (the side hole is always located in the drainage cavity, and the forward or reverse rotation of the nut can adjust the depth of the needle tip so that the side hole is always located in the drainage cavity, and the needle tip is always located in the fluid reservoir); 2. two fixing hole rings connecting the fixing belt; 3. a silicone pad; 4. a drainage tube; and 5. a drainage cavity. DETAILED DESCRIPTION

[0005] The following is a detailed description of the preferred embodiments of the present invention in conjunction with the accompanying drawings, so that the advantages and features of the present invention can be more easily understood by those skilled in the art, thereby making a clearer and more specific definition of the protection scope of the present invention. Figure 1 and Figure 2, the embodiment of the present invention includes: a drainage fixation device for puncturing the Ommaya capsule under the scalp, i.e., the fluid storage capsule, specifically including: 1) a medical puncture needle with a side hole, the puncture depth of which can be adjusted by a progressive threaded knob, and the side hole can be adjusted by length to always be located outside the scalp (not too deep) and inside the drainage cavity (not too shallow to be pulled out), thereby ensuring that the puncture needle is at an effective and safe depth. 2) a soft pad made of medical silicone material that fits tightly to the scalp surface and is fixed non-invasively and firmly to the surgical area of ​​the patient's head with a surrounding fixing belt, and the drainage cavity that connects the drainage tube and the drainage bottle is tightly fixed to the scalp through the soft silicone pad, ensuring that the liquid drained through the side hole of the puncture needle is collected in the drainage cavity and collected into the drainage bottle through the drainage tube. The above-mentioned medical puncture needle and drainage cavity are of separate design. The drainage cavity with medical silicone parts needs to be sterilized at low temperature, while the medical stainless steel puncture needle can be sterilized at high temperature to ensure the sterilization effect and further prevent intracranial infection. The two parts are assembled in actual application. The drainage fixation device is used to accurately puncture the reservoir position, and the external drainage tube is used to drain the cerebrospinal fluid, solving the problems of difficult puncture and fixation of the Ommaya capsule, i.e. the reservoir, high shedding rate and high risk of intracranial infection.

[0006] The above descriptions are merely embodiments of the present invention and are not intended to limit the patent scope of the present invention. Any equivalent structure or equivalent process transformation made using the contents of the present invention specification and drawings, or directly or indirectly applied in other related technical fields, are also included in the patent protection scope of the present invention.

Claims

1. A drainage and fixing device for puncturing the Ommaya capsule under the scalp, i.e., a fluid storage capsule, characterized in that: The medical puncture needle with a side hole can adjust the depth within a safe range through a progressive threaded knob, and the soft pad made of medical silicone material closely fits the scalp surface and is firmly fixed to the surgical area of ​​the patient's head with a wraparound fixing belt, and is connected to the drainage tube and the drainage bottle.

2. The Ommaya capsule drainage and fixation device for subscalp puncture according to claim 1, characterized in that: The medical puncture needle has a side hole for piercing the Ommaya capsule, which is the fluid reservoir. The puncture depth can be adjusted by a progressive threaded knob, and the side hole can be adjusted by length to ensure that it is always outside the scalp (not too deep) and inside the drainage cavity (not too shallow to be pulled out), thereby ensuring that the puncture needle is at an effective and safe depth.

3. The Ommaya capsule drainage and fixation device for subscalp puncture according to claim 1, characterized in that: There are two fixed hole rings on the outer wall of the drainage cavity, and the auxiliary wrap-around fixing belt is non-invasively and firmly fixed to the drainage cavity in the surgical area of ​​the patient's head. The drainage cavity is connected to the drainage bottle through a drainage tube. The drainage cavity is tightly fitted and fixed to the scalp through a soft silicone pad to ensure that the fluid drained through the side hole of the puncture needle is collected in the drainage cavity and collected into the drainage bottle through the drainage tube.

4. The Ommaya capsule drainage and fixation device for subscalp puncture according to claim 1, characterized in that: The medical puncture needle and drainage cavity are of separate design. The drainage cavity with medical silicone components needs to be sterilized at low temperature, while the medical stainless steel puncture needle can be sterilized at high temperature to ensure the disinfection effect and further prevent intracranial infection. The two parts are assembled in actual application.

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