WO2009080851A1

WO2009080851A1 - Membrane which prevents the uncontrolled release of blood and/or fluids, but allows the connection of different sanitary and veterinary devices

Info

Publication number: WO2009080851A1
Application number: PCT/ES2008/000788
Authority: WO
Inventors: S.L Medical Corpen; Alberto Manuel Penichet Pan
Original assignee: Medical Corpen S L; Alberto Manuel Penichet Pan
Priority date: 2007-12-21
Filing date: 2008-12-19
Publication date: 2009-07-02
Also published as: ES1074148U8; ES1074148Y; DE202008017850U1; ES1074148U

Abstract

The invention relates to a membrane which prevents the uncontrolled release of blood and/or fluids, while allowing different sanitary and veterinary devices to be connected, characterised in that one or more incisions are made in the membrane, extending from the centre to the exterior or vice versa, forming valves which prevent the release of fluids or blood to the exterior as a result of the elastic memory thereof, so that any device can be connected since the valves of the membrane move toward the inner wall of the mechanism or structure in which it is implanted, rendering same permeable.

Description

MEMBRANE THAT AVOID THE UNCONTROLLED OUTPUT OF BLOOD AND / OR FLUIDS BUT ALLOWS THE CONNECTION OF DIFFERENT HEALTH DEVICES AND

VETERINARY

DESCRIPTION

OBJECT OF THE INVENTION

The present invention relates to a membrane that, placed inside catheters, probes and other devices, acts as a valve, achieving notable improvements in relation to catheters, probes and other devices known so far and is characterized by presenting a elastic memory and be formed by a plurality of leaflets.

FIELD OF THE INVENTION

This is an innovation in catheters, probes and other devices, which is why it fits into the field of new biosanitary technologies (fungible and non-fungible material).

The biosanitary innovations shown here represent an improvement of existing medical devices, such as catheters (central and peripheral) and probes (nasogastric and bladder) and similar devices.

BACKGROUND OF THE INVENTION

At the time of channeling a peripheral, central or any other type of venous route, the health personnel encounter the problem of blood reflux outside, as well as the reflux of fluids in a probe. This reflux of blood and / or fluids outwards occurs at the time of withdrawing the needle that is inside the catheter and subsequently placing the syringe for the extraction of blood, or the probe, or the placement of the three-way wrench , or directly the serum system or any other device that proceeds for the desired purpose. Consequently, it is impossible to avoid the outflow of blood and / or any fluid outside with the consequent loss of blood and what causes it.

Most of the care provided by health personnel where necessary A venipuncture or catheterization is protocolized and even in this case the patient if conscious presents an understandable rejection of the venipuncture or the catheter. In many cases the patient is in a situation of stress or shock that will hinder the work of the toilet. In addition, it should be borne in mind that the patient may represent a risk of contagion to the healthcare provider and even in the specific case of the Canary Islands with tourism / immigration, which implies absence of histories and / or unknown diseases. In extreme but not infrequent cases, the patient is aggressive with the medical staff whether or not they are under the influence of alcohol / drugs.

The rotations of the staff with their guards, imply a progressive fatigue of the professional, fatigue that can be transmitted to the patient. The emergency services have to work many times in hostile environments or as mentioned in the previous point, with patients with nervous breakdown / aggressiveness, under the influence of alcohol and / or drugs. It is important to note that the staff may be new in a specific center with what the patient sees with suspicion or even that he is in his first steps as a health worker.

It often happens on long days and due to the expense of material and / or problems with the supply on holidays that not all the necessary material is available.

At the time of performing a peripheral venipuncture, health personnel use the order of 2 to 3 gauze (per protocol) to absorb the blood that goes outside. The gauze packages can be 5 or 10 units, so unused gauze ceases to be sterile.

At the time of performing a bladder catheterization, the soaker is placed to prevent staining of the sheets when the probe arrives at the bladder, as a result of uncontrolled urine leakage.

It is also necessary to wear gloves to avoid any contact with the patient's fluids, even losing touch and with the discomfort of continued use.

According to data provided by the head of the Department of Preventive Medicine of the Dr. Negrín University Hospital, of the order of 1 to 2 public health professionals in Gran Canaria go daily to this Department for suffering some type of accidents in which there was risk of contagion with biological material of patients. It is estimated that the total number of accidents would increase to three times because a large part of the medical staff does not go to this department after having suffered an accident. Operational Triangle Currently we can schematically represent the daily operation of a venipuncture or catheterization, following the following triangle:

DESCRIPTION OF THE INVENTION

The present invention relates to a membrane which, placed inside catheters, probes and other devices, acts as a valve, achieving notable improvements in relation to catheters, probes and other devices known until now. Its fundamental characteristics are that it has elastic memory that can be perforated or made of perforated material and a plurality of leaflets, the shapes and size will be dependent on the type of catheter, probe or any other device where it is placed.

Made a cut / s or grooves, which will not reach the full thickness of the membrane, from the center to the outside or from the outside to the center of the membrane, either in a cross or in the form required, it will form leaflets usually 3 or 4 depending on the forms of the cuts that are practiced, which will be determined by the device to which they must be attached, which will allow the introduction of any device through the membrane moving the leaflets to the sides preventing the exit of blood and / or fluid and at the time of removal of the device the leaflets will return to their original position thanks to their elastic composition, closing the conduit as a plug, so that the blood and / or fluid upon reaching the membrane will meet that stop and will remain tight, allowing the connection of any device since these would move towards the internal wall of the mechanism or device in which it is implanted doing it to this permeable.

The problem of current catheters is at the time of the extraction of the needle, which produces the reflux of blood and / or uncontrolled fluids abroad.

In order to avoid the inconveniences of this type of catheters, a membrane placed inside the proximal third of the catheter is proposed, which prevents the outflow of blood to the outside, but which, in turn, allows the placement of any device well for blood collection. and / or fluids or for the administration of intravenous medication. This can be of any type of material that serves us for the purpose that we preferably want rubber, silicone or similar.

The implantation of this membrane allows any three-way wrench to be connected, as well as conventional serum systems, opaque serum systems, serum systems for blood transfusions and syringes of different milliliters.

As regards the nasogastric probes (SNG), they have the disadvantage that at the time of administration of enteral nutrition, the reflux of the gastric contents to the outside occurs, unless the proximal end of the nasogastric probes is kept elevated SNG above the level of the head.

To avoid the inconveniences described above, we have inserted the membrane proposed by this invention into the proximal end of the SNG nasogastric tube.

The placement of said membrane continues to allow the placement of any device to the case, such as a collection bag, or a wide-cone syringe or the like.

Bladder catheters have the disadvantage that at the time of catheterization, uncontrolled urine reflux occurs abroad. Likewise, when removing the collection or diuresis bags, it is necessary to clamp the bladder catheter (SV). To avoid the inconvenience of uncontrolled emission of urine abroad at the time of probing, and to avoid a greater number of hours of unnecessary incarnation. Since it allows the disconnection at any time of the collection bag, the patient can take walks, with the benefits that entails.

This membrane is placed at the proximal end of the bladder catheter, and can present a series of perforations, or be constituted of perforated material as well as the surrounding ring, in case it is needed for the exit of the air gradient and / or gases, the membrane will be perforated for example in the case of the bladder catheter, extension of the vacutainer system, etc. . What allows the exit of the air and / or gases from inside said bladder catheter, but not the urine outlet. This membrane and the ring can be of any type of material that serves us for the desired objective.

The SV bladder catheter should be in its proximal third preferably transparent to help us with greater certainty to know that we are actually inside the urinary bladder, seeing that it contains urine.

The placement of the proposed membrane also allows the connection of any device, such as a collection bag, or a wide-cone syringe, or the like.

With the implementation of the Membrane that is proposed, the current operational triangle, shown in the background of the invention, would reflect the following changes:

MATERIAL / PERSONAL HEALTH ENVIRONMENT

Maximum use of the simplest Puncture. .fungible material (gauze, greater control of the situation. gloves, soaps, ...) Better touch to not be necessary

Residual treatment plus latex gloves. cash. High success rate

Less material from the first punctures. waste Consciousness of saving

Lower cost / material emissions and time. The Membrane whose invention is proposed provides improvements in the three operational blocks. The patient reacts to the venipuncture, he will accept in a better degree by not seeing his blood flow outside. The risk groups (HIV, Hepatitis C, or the like) will not contact their blood and / or fluids with the health personnel The interventions will be more precise and with greater hygiene It will not be necessary to disturb the patient with the cleaning of the bed by uncontrolled outflows of fluids outside

The health personnel will have greater control of the situation as they are the simplest punctures when handling the fixative due to their confidence in the retention capacity of the membrane, especially in the first interventions. It will be unnecessary to use latex gloves to perform any puncture. , increasing the touch and sensitivity of the technician This would imply a higher percentage of correct punctures without causing discomfort to the patients Which brings with it a lower workload

The intervention environment will be cleaner and the intervention of the cleaning services will not be necessary for a simple venipuncture. The use of the available material will be maximum, gauze, soakers, gloves, or similar material will be saved. This implies that the amount of waste materials will be less and therefore less waste is generated that will lead to more effective recycling

DESCRIPTION OF THE DRAWINGS

To complete the description that is being made, and in order to help a better understanding of the characteristics of the invention, a set of drawings or drawings are attached to the present specification, as an integral part thereof, in which For illustrative and descriptive purposes, without pretending to be limiting or show a specific formal design, the following has been presented

Figure number 1 - Shows the elevation image of the membrane

Figure number 2 - Shows the image of the side of the membrane

Figure number 3 - Shows the image in section of the membrane

Figure number 4 - Shows the membrane of four open leaflets resulting from two cuts or slits made in it Figure number 5 - Shows the membrane of three open leaflets and the perforations practiced therein

Figure number 6 - Shows the sequence of placement of a membrane inside a catheter

Figure number 7 - Shows in perspective the placement of the membrane inside a catheter

Figure number 8 - Shows in perspective the placement of the membrane inside a nasogástnca probe

Figure number 9 - Shows in perspective the placement of the membrane inside a bladder catheter

Figure number 10 - Shows in perspective the placement of the membrane of three perforated leaflets inside a nasogástnca probe

PREFERRED EMBODIMENT OF THE INVENTION

The invention object of the present patent is a membrane (Fig. 1, 2 and 3) that prevents uncontrolled leakage of blood and / or fluids and which, in turn, due to cuts that it presents, allows the connection of various sanitary devices or veterinarians

To overcome the drawbacks described, the membrane whose invention is proposed is characterized in that it has elastic memory, which can be perforated (Fig. 5 and 10) and plurality of leaflets (Fig. 4 and 5) (4 1 membrane, four leaflets and 5 2 membrane, three leaflets) Its shape and size will depend on the catheter, probe or device where it is attached

The invention consists in that the membrane (Fig. 1, 2, 3) placed inside the proximal third of a catheter (proximal of us with respect to the patient), (6 1, 7 1), probe (8 1, 9 1 , 10 1), or any other device, prevents the outflow of blood and / or fluids to the outside and in turn allows the placement of any device either for the extraction of blood, for the administration of intravenous medication or any purpose for use

Introduction of any device through the membrane by moving the leaflets (3 1 and 7 2) towards the sides preventing the exit of blood and / or fluid and at the time of removal of the device the leaflets will return to their original position thanks to their composition elastic, closing the duct as a stopper, so that the blood and / or fluid upon reaching the membrane will meet that stop and will remain tight, allowing the connection of any device as these would move towards the internal wall of the mechanism or device in which it is implanted doing it to this permeable.

The membrane can be of any type of material used in the sanitary applications that serve us for the purpose used and can present perforations (5.1, 10.2) for the exit of air and / or gases, preferably being in rubber, silicone, plastics or Similar.

Said membrane has a plurality of leaflets (Fig. 3, 4 and 5) resulting from having made one or more cuts or grooves therein without completely piercing the thickness of the membrane. It is placed in the proximal part of the catheter, probe or any device to which it should be installed. Both in the catheter, as in the bladder catheter or in any of the other devices in which the membrane is installed, there will be a sector that will serve to house the leaflets (7.3) of the membrane when it is permeable, because it has been introduced Any device be it syringe, serum system or any other to use.

The implantation of this membrane allows the connection of various sanitary and veterinary devices and prevents the outflow of blood and / or fluids through it to the outside, also allows to connect any three-way key as well as conventional serum systems, systems of opaque sera, serum systems for blood transfusions, and syringes of different milliliters.

Claims

1 -Membrane that prevents uncontrolled blood and / or fluid outflow (Fig. 1, 2 and 3) allowing the connection of various sanitary and veterinary devices, characterized in that a cut / s have been made on the center from the center to the outside or outside to the center of it, forming leaflets (Fig 4 and 5) (4 1 membrane four leaflets and 5 2 membrane three leaflets) that prevent thanks to its elastic memory the outflow of fluids or blood to the outside and whose function is to allow the connection of any device since the leaflets of the membrane move towards the internal wall of the mechanism or device (7 3) in which it is implanted doing it to this permeable

2 - Membrane that prevents the uncontrolled exit of blood and / or fluids but allows the connection of various sanitary and veterinary devices, according to the first claim, characterized in that in the case that it is needed for the exit of the gradient of air and / or gases , The membrane will be perforated (5 1, 10 2), or it will be made of perforated material

3 -Membrane that prevents uncontrolled leakage of blood and / or fluids but allows the connection of various sanitary and veterinary devices, according to the first claim, characterized in that it is placed in the proximal third (with respect to the technician or sanitary who is placing it) of a peripheral (6 1, 7 1), central and peripheral access catheters but that reach the superior vena cava preventing the outflow of blood and / or fluids to the outside but allowing the connection of any device

4 - Membrane that prevents the uncontrolled exit of blood and / or fluids but allows the connection of various sanitary and veterinary devices, according to the first claim, characterized in that it is placed at the proximal end (with respect to the technician or sanitary that I am placing it) of a nosogastric tube (8 1, 10 1) preventing reflux of gastric contents

5 - Membrane that prevents the uncontrolled leakage of blood and / or fluids but allows the connection of various sanitary and veterinary devices, according to the first claim, characterized in that it is placed at the proximal end (with respect to the technician or sanitary that I am placing it) of a bladder catheter (9 1) preventing uncontrolled urine outflow but allowing the connection of any device

6.- Membrane that prevents the uncontrolled exit of blood and / or fluids but allows the connection of various sanitary and veterinary devices, according to the first claim, characterized in that it is placed in the proximal end (with respect to the technician or sanitary that is placing it ) of any device (6.1, 7.1, 8.1, 9.1, 10.1), whether they are neurosurgery mechanisms such as blood collection or any other device that is used for its purpose and used in the health and veterinary sciences.

7.-Membrane that prevents uncontrolled blood and / or fluid outflow but allows the connection of various sanitary and veterinary devices, according to previous claims, characterized in that it allows the connection of various sanitary and veterinary devices since it has elastic memory, plurality of leaflets (4 and 5) and the shape and size will be dependent on the type of catheter (6, 7) nasogastric tube (7 and 9), bladder tube (8) or other devices where it is impregnated, installed or attached.

8.- Membrane that prevents uncontrolled blood and / or fluid outflow but allows the connection of various sanitary and veterinary devices, according to the preceding claims, characterized in that it allows the obtaining of samples (without any contamination by the technician, sanitary or any other type of exposure) of any body fluid, blood, urine or gastric contents and at the same time prevents its exit to the outside.

9.- Membrane that prevents uncontrolled leakage of blood and / or fluids but allows the connection of various sanitary and veterinary devices, according to the preceding claims, characterized in that the impediment of fluid and / or blood leakage preventing the possible contamination of health personnel , veterinarian, technicians or the patient or animal itself and saves in turn sanitary materials soaps, gauze, sheets and the like.