Pressure sore prevention device for sengstaken-blakemore tube

Abstract

The invention relates to a pressure sore prevention device for a sengstaken-blakemore tube, and relates to the technical field of medical instruments. Comprising a substrate, a lifting plate, a first contact piece and a second contact piece, the lifting plate is arranged on the base plate in a liftable manner; the first contact piece is arranged on the substrate; the second contact piece is arranged on the lifting plate; wherein the length of the second contact element is greater than that of the first contact element. The base plate and the lifting plate are arranged, the first contact piece and the second contact piece which can make contact with the skin are arranged on the base plate and the lifting plate correspondingly, alternate contact with the skin can be achieved, the effect of preventing pressure sores is achieved, the labor cost is saved, convenience is brought, and the practicability is high. The problems that an existing pressure sore prevention device for the sengstaken-blakemore tube is inconvenient to use and poor in pressure sore prevention effect are solved.

Description

Technical Field

[0001] This invention relates to the field of medical device technology, and in particular to an anti-pressure ulcer device for a three-lumen two-balloon tube. Background Technology

[0002] A three-lumen two-balloon tube is inserted into the stomach through the nasal cavity. It contains two balloons, and movement can pull the tube further in. A ping-pong ball-like object is needed to hold it in place outside the nose to prevent it from being pulled in. However, prolonged pressure from this spherical object on the skin can easily cause pressure sores.

[0003] Existing pressure ulcer prevention devices are soft pads that fit snugly around the nostrils. However, the effectiveness of these pads in preventing pressure ulcers is greatly reduced with prolonged use. Therefore, it is usually necessary to manually pull the three-lumen two-balloon tube for about fifteen minutes every hour to remove the fixing ball from contact with the pad, which is quite inconvenient.

[0004] Regarding the aforementioned technologies, existing pressure ulcer prevention devices for three-lumen two-balloon tubes are inconvenient to use and have poor pressure ulcer prevention effects. Summary of the Invention

[0005] In view of the shortcomings of the prior art, the purpose of this invention is to provide a pressure ulcer prevention device for a three-lumen two-balloon tube, which aims to solve the problems of inconvenience in use and poor pressure ulcer prevention effect of existing pressure ulcer prevention devices for three-lumen two-balloon tubes.

[0006] This application provides a pressure ulcer prevention device for a three-lumen two-balloon tube, employing the following technical solution: A pressure ulcer prevention device for a three-lumen two-balloon tube, comprising: substrate; A lifting plate is mounted on the base plate in a height-adjustable manner; A first contact element is disposed on the substrate; The second contact element is disposed on the lifting plate; The length of the second contact is greater than the length of the first contact.

[0007] Optionally, the substrate is provided with a clearance hole for the passage of the second contact member.

[0008] Optionally, the first contact and the second contact are spaced apart.

[0009] Optionally, both the lifting plate and the base plate are annular structures used to hold the blocking ball in place.

[0010] Optionally, the pressure ulcer prevention device for the three-lumen two-balloon tube includes a lifting member for adjusting the distance between the base plate and the lifting plate, the lifting member being disposed between the base plate and the lifting plate.

[0011] Optionally, the lifting member includes a first lifting rod and a second lifting rod, one end of the first lifting rod is disposed on the base plate, and one end of the second lifting rod is disposed on the lifting plate; The first lifting rod and the second lifting rod are hinged together, and the hinged connection between the first lifting rod and the second lifting rod is provided with damping.

[0012] Optionally, a handle is provided at the other end of the first lifting rod and the other end of the second lifting rod, and the cross-sectional area of ​​the handle is larger than that of the first lifting rod and the second lifting rod.

[0013] Optionally, multiple first contacts are provided, and the multiple first contacts are spaced apart on the substrate.

[0014] Optionally, multiple second contact elements are provided, and the multiple second contact elements are spaced apart on the lifting plate, and the clearance hole is provided corresponding to the second contact element.

[0015] Optionally, both the first contact and the second contact are elastic elements.

[0016] Compared with the prior art, the embodiments of the present invention have the following advantages: This application comprises a base plate and a lifting plate, each equipped with a first contact element and a second contact element that can come into contact with the skin. This allows for alternating contact with the skin. For example, the first contact element on the base plate can be in contact with the skin for a period of time. Then, the lifting plate moves closer to the base plate, and because the second contact element is longer than the first contact element, it eventually replaces the first contact element in direct contact with the skin. This achieves alternating contact between the first and second contact elements and the skin, allowing different parts of the patient's skin to alternately bear the pressure from the pressure-blocking ball. This not only prevents pressure ulcers but also saves labor costs and provides convenience. It solves the problems of inconvenience and poor pressure ulcer prevention effect of existing three-lumen two-balloon pressure ulcer prevention devices. Attached Figure Description

[0017] To more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments recorded in the present invention. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0018] Figure 1 This is a schematic diagram of the overall structure of the pressure ulcer prevention device for the three-lumen two-balloon tube in the embodiments of this application; Figure 2This is a schematic diagram of the lifting plate and the second contact element of the pressure ulcer prevention device for the three-lumen two-balloon tube in the embodiments of this application; Figure 3 This is a schematic diagram of the substrate and the first contact element of the pressure ulcer prevention device for the three-lumen two-balloon tube in the embodiments of this application.

[0019] Explanation of reference numerals in the attached figures: 1. Substrate; 11. Clearance hole; 2. Lifting plate; 3. First contact; 4. Second contact; 5. Lifting member; 51. First lifting rod; 52. Second lifting rod; 53. Handle. Detailed Implementation

[0020] To enable those skilled in the art to better understand the present invention, the technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0021] The present application will be further described in detail below with reference to the accompanying drawings.

[0022] This application discloses an anti-pressure ulcer device for a three-lumen two-balloon tube.

[0023] like Figure 1 As shown, a pressure ulcer prevention device for a three-lumen two-balloon tube includes a base plate 1, a lifting plate 2, a first contact 3, and a second contact 4; the lifting plate 2 is vertically and flexibly mounted on the base plate 1; the first contact 3 is mounted on the base plate 1; the second contact 4 is mounted on the lifting plate 2; wherein the length of the second contact 4 is greater than the length of the first contact 3.

[0024] This application provides a base plate 1 and a lifting plate 2. The base plate 1 and the lifting plate 2 are respectively provided with a first contact member 3 and a second contact member 4 that can come into contact with the skin, which can achieve alternating contact with the skin. This not only achieves the effect of preventing pressure sores, but also saves labor costs and brings convenience. It solves the problems of inconvenience and poor pressure sore prevention effect of existing pressure sore prevention devices for three-lumen two-balloon tubes.

[0025] like Figure 1 and Figure 3 As shown, a clearance hole 11 is provided on the substrate 1, and the clearance hole 11 is used for the passage of the second contact 4.

[0026] Specifically, the outline of the clearance hole 11 is adapted to the cross-sectional outline of the second contact member 4, and its inner wall is smoothed to minimize the frictional resistance between the second contact member 4 and the inner wall of the clearance hole 11 during the lifting process. This ensures that the second contact member 4 passes smoothly while avoiding wear of components due to friction and extending the service life of the device.

[0027] The number of clearance holes 11 corresponds one-to-one with the number of second contacts 4, and their distribution positions on the substrate 1 are precisely aligned with the distribution positions of the second contacts 4 on the lifting plate 2, ensuring that each second contact 4 can independently pass through the corresponding clearance hole 11 without interfering with each other. The depth of the clearance holes 11 is consistent with the thickness of the substrate 1.

[0028] Meanwhile, the placement of the clearance hole 11 will not affect the installation and operation of the first contact 3 on the substrate 1, ensuring that the substrate 1 provides sufficient space for the movement of the second contact 4 while supporting and fixing the first contact 3, thus ensuring the compactness of the overall structure and the coordination of functions of the device.

[0029] like Figure 1 As shown, the first contact 3 and the second contact 4 are arranged at intervals.

[0030] Specifically, the first contact 3 and the second contact 4 are spaced evenly in the circumferential direction and are alternately distributed along the annular structure of the substrate 1 and the lifting plate 2, so that the gap between two adjacent first contact 3s can just accommodate one second contact 4, and vice versa, forming a complementary distribution pattern.

[0031] This intermittent distribution ensures that when the first contact element 3 is in contact with the skin, the position of the second contact element 4 will not compress the skin, providing sufficient space for ventilation and blood circulation in that area. Similarly, when the second contact element 4 alternately contacts the skin, the skin area corresponding to the first contact element 3 can also relax. The intermittent structure also prevents the first contact element 3 and the second contact element 4 from colliding or interfering with each other during their alternating movements, ensuring smooth movement of both.

[0032] At the same time, this distribution method allows the pressure to be evenly distributed in different skin areas, avoiding blood circulation disorders caused by prolonged concentrated pressure on local skin, further improving the effect of preventing pressure sores, and allowing patients to feel more even support during use, thus improving overall comfort.

[0033] like Figure 1 , Figure 2 and Figure 3 As shown, both the lifting plate 2 and the base plate 1 are annular structures used to hold the blocking ball in place.

[0034] Specifically, the annular structure design of both the lifting plate 2 and the base plate 1 is based on the contour of the blocking ball of the three-lumen two-balloon tube. The inner ring diameter is slightly larger than the diameter of the three-lumen two-balloon tube, ensuring that the tube can smoothly pass through the central through-hole of the annulus without excessive friction against the inner wall of the through-hole during use, thus preventing damage to the tube. The outer ring diameter is adapted to the size of the blocking ball, allowing the upper surface of the annular structure to fully and evenly bear the pressure transmitted by the blocking ball, preventing pressure concentration in localized areas that could lead to uneven force distribution or displacement of the blocking ball. The annular thickness design of the lifting plate 2 and the base plate 1 balances structural strength and ease of use, minimizing their own weight and reducing additional burden on the patient's skin while ensuring they can withstand the pressure of the blocking ball without deformation.

[0035] Furthermore, the upper and lower surfaces of the ring structure can be rounded to avoid sharp edges, which can prevent scratching the patient's skin or damaging the surface of the blocking ball, and also reduce the pressure between the edge of the structure and the skin, thus improving the comfort of use.

[0036] In addition, the circumferential distribution characteristics of the ring structure allow the lifting component 5, contact component and other components to be evenly installed in their circumferential positions, ensuring that the overall force of the device is balanced and that it remains stable during the lifting process of the lifting plate 2, without tilting or shifting, thus ensuring the reliable realization of the alternating contact function.

[0037] like Figure 1 As shown, the pressure ulcer prevention device for the three-lumen two-balloon tube includes a lifting member 5 for adjusting the distance between the base plate 1 and the lifting plate 2, and the lifting member 5 is disposed between the base plate 1 and the lifting plate 2.

[0038] Specifically, the lifting components 5 are evenly distributed along the circumference of the annular structure of the base plate 1 and the lifting plate 2, and at least two sets are provided to ensure the force balance between the base plate 1 and the lifting plate 2, and to avoid structural deformation or tilting caused by excessive local force during the adjustment of spacing or support.

[0039] The connection between the lifting component 5 and the base plate 1 and the lifting plate 2 adopts a detachable fixing structure, such as by threaded connection or snap-fit ​​connection. This facilitates the assembly and disassembly of the device, and makes it easy for subsequent maintenance, cleaning and replacement of parts. It also ensures the firmness of the connection and ensures that the lifting component 5 will not detach from the base plate 1 or the lifting plate 2 during use.

[0040] The structural design of the lifting component 5 enables linear adjustment of the distance between the base plate 1 and the lifting plate 2, allowing the second contact 4 to extend or retract smoothly and achieve seamless alternating contact with the first contact 3. This avoids jerking or abrupt changes in distance, preventing sudden pressure changes on the patient's skin. Simultaneously, the lifting component 5 is positioned away from the installation areas of the first and second contact 3 and 4, preventing interference with the contact between the contact and the skin, and ensuring the normal use of the clearance hole 11. This ensures that the functions of each component of the device do not conflict, and that the overall structure is coordinated and unified. The lifting component 5 also possesses a certain load-bearing capacity, stably supporting the lifting plate 2 and blocking the pressure transmitted by the ball. It maintains structural stability during long-term use, preventing permanent deformation due to stress, thus guaranteeing the device's service life and effectiveness.

[0041] like Figure 1 As shown, the lifting member 5 includes a first lifting rod 51 and a second lifting rod 52. One end of the first lifting rod 51 is disposed on the base plate 1, and one end of the second lifting rod 52 is disposed on the lifting plate 2. The first lifting rod 51 and the second lifting rod 52 are hinged together, and damping is provided at the hinge connection between the first lifting rod 51 and the second lifting rod 52.

[0042] Specifically, the hinge end is designed as a fork-shaped structure that adapts to each other. The hinge end of the first lifting rod 51 is forked, and the hinge end of the second lifting rod 52 is embedded therein and fixed by a pin. This structure can increase the contact area at the hinge point of the two, improve the connection strength, and avoid breakage or deformation when subjected to force.

[0043] The damping structure is located between the pin and the hinge hole. It is made of wear-resistant material with good damping performance, such as damping rubber sleeves and damping washers. It is installed in the hinge hole by interference fit and fits tightly with the pin.

[0044] The damping force is adjusted to provide the user with appropriate resistance when adjusting the angle between the first lifting rod 51 and the second lifting rod 52, enabling slow and smooth spacing adjustment. This avoids sudden contact or detachment of the contact element from the skin due to excessively rapid adjustment, which could cause discomfort to the patient. Furthermore, it provides sufficient positioning force after adjustment to maintain the first lifting rod 51 and the second lifting rod 52 at the current angle, preventing changes in the angle due to slight external contact or gravity during use. This ensures a stable spacing between the base plate 1 and the lifting plate 2, guaranteeing stable contact between the contact element and the skin.

[0045] like Figure 1 As shown, a handle 53 is provided at the other end of the first lifting rod 51 and the other end of the second lifting rod 52. The cross-sectional area of ​​the handle 53 is larger than that of the first lifting rod 51 and the second lifting rod 52.

[0046] Specifically, the grip 53 can increase the contact area with the hands of medical staff, effectively dispersing the pressure when gripping the hand and avoiding hand fatigue or discomfort caused by excessive local pressure. It is especially suitable for scenarios where medical staff frequently operate or patients adjust the grip themselves.

[0047] Meanwhile, the handle 53 can be made of medical-grade materials with good anti-slip properties and comfortable feel, such as soft plastic or rubber. The surface can be set with fine anti-slip textures to increase the friction when gripping, so that even if the hands are sweaty or have disinfectant on them, a stable grip can be maintained, avoiding slippage that could lead to operational errors.

[0048] like Figure 1 and Figure 3 As shown, multiple first contact elements 3 are provided, and the multiple first contact elements 3 are spaced apart on the substrate 1.

[0049] Specifically, multiple first contact elements 3 are evenly distributed circumferentially along the annular structure of the substrate 1, and the spacing between two adjacent first contact elements 3 is equal, ensuring that the supporting force on the skin is evenly distributed and avoiding local support gaps or pressure concentration.

[0050] The structural dimensions of each first contact element 3 are kept consistent to ensure that the stress state is the same when in contact with the skin, so as to achieve uniform support, and at the same time facilitate production and subsequent replacement and maintenance.

[0051] The arrangement of multiple first contacts 3 ensures that even if individual contacts are slightly damaged, the remaining contacts can still function normally, guaranteeing that the overall performance of the device is not significantly affected and improving the device's reliability and durability. Furthermore, the distribution of the first contacts 3 is staggered from the clearance holes 11 on the substrate 1, preventing interference with the passage of the second contacts 4 and ensuring smooth operation of the alternating contact function.

[0052] like Figure 1 and Figure 2 As shown, there are multiple second contact elements 4, which are spaced apart on the lifting plate 2, and the clearance holes 11 are correspondingly arranged with the second contact elements 4.

[0053] Specifically, multiple second contact elements 4 are also evenly distributed circumferentially along the annular structure of the lifting plate 2. Their distribution pattern is adapted to the distribution pattern of the first contact elements 3, and they are arranged in an alternating manner. That is, the position of each second contact element 4 corresponds to the gap between two adjacent first contact elements 3. This arrangement can ensure that when the second contact element 4 comes into contact with the skin, the area of ​​skin it presses is completely staggered from the area of ​​skin pressed by the first contact element 3, so as to achieve full alternation of the skin pressure area, avoid repeated pressure on the same area of ​​skin, and maximize the effect of preventing pressure sores.

[0054] The clearance holes 11 are configured one-to-one with the second contact elements 4, with each clearance hole 11 precisely aligned with a second contact element 4. The inner diameter of the clearance hole 11 is slightly larger than the outer diameter of the second contact element 4, ensuring that the second contact element 4 can pass through smoothly while preventing excessive gaps that could cause the second contact element 4 to wobble, thus ensuring the stability and accuracy of the second contact element 4 when in contact with the skin. The inner wall of the clearance hole 11 is smoothed to reduce the frictional resistance when the second contact element 4 passes through, reduce wear, and extend the service life of the contact element and the substrate 1.

[0055] The multiple second contact elements 4 have identical structural dimensions and are coordinated with the structural dimensions of the first contact element 3, ensuring that the support and comfort felt by the skin are consistent during alternating contact, and avoiding uneven force or discomfort caused by differences in contact element dimensions. In addition, the number of second contact elements 4 is the same as or similar to the number of first contact elements 3, ensuring that the support effect is comparable during alternating contact, and ensuring the overall support stability and pressure ulcer prevention effect of the device.

[0056] Both the first contact element 3 and the second contact element 4 are elastic elements.

[0057] Specifically, the first contact 3 and the second contact 4 are made of medical-grade elastic materials, such as medical silicone, natural rubber, and elastic polyurethane. These materials have good biocompatibility, are non-toxic, odorless, and non-irritating, and will not cause skin allergies or inflammatory reactions in patients, thus meeting the safety standards for the use of medical devices.

[0058] The elastic structure of the contact element can be hollow internally or have elastic support ribs, ensuring both good elastic deformation capability and sufficient support strength. When the contact element comes into contact with the skin and bears pressure, it can generate appropriate elastic deformation according to the contour of the skin and the magnitude of the pressure, closely conforming to the skin surface, increasing the contact area, thereby dispersing pressure, reducing local skin pressure, and preventing poor blood circulation due to pressure concentration. At the same time, the elastic material has excellent resilience, and when the contact element is no longer under pressure, it can quickly return to its original shape, ensuring that it can maintain good support and fit for the next contact.

[0059] The elastic element design also provides a certain cushioning effect, absorbing the impact force transmitted by the ball, reducing sudden pressure on the skin, improving the patient's comfort, and also reducing the impact force on the device itself, thus extending its overall service life.

[0060] Furthermore, the first contact member 3 includes a first support portion and a first contact portion, the first support portion being disposed on the substrate 1, and the first contact portion being disposed at the end of the first support portion.

[0061] The first contact part is shaped like a frustum, and the diameter of its largest surface is larger than the cross-sectional diameter of the first support part.

[0062] The first contact part can increase the contact area between the first contact element 3 and the patient, further reducing sudden pressure on the skin and improving the patient's comfort.

[0063] Similarly, the second contact 4 includes a second support portion and a second contact portion, and its structure and connection method are the same as those of the first contact 3, which will not be described in detail here.

[0064] like Figure 1 As shown, notches are also provided on the substrate 1 and the lifting plate 2. The notches facilitate the installation of the three-lumen two-bladder tube into the annular holes of the substrate 1 and the lifting plate 2.

[0065] In summary, a pressure ulcer prevention device for a three-lumen two-balloon tube includes a base plate 1, a lifting plate 2, a first contact 3, and a second contact 4; the lifting plate 2 is vertically and flexibly mounted on the base plate 1; the first contact 3 is mounted on the base plate 1; the second contact 4 is mounted on the lifting plate 2; wherein the length of the second contact 4 is greater than the length of the first contact 3.

[0066] This application provides a base plate 1 and a lifting plate 2. The base plate 1 and the lifting plate 2 are respectively provided with a first contact member 3 and a second contact member 4 that can come into contact with the skin, which can achieve alternating contact with the skin. This not only achieves the effect of preventing pressure sores, but also saves labor costs and brings convenience. It solves the problems of inconvenience and poor pressure sore prevention effect of existing pressure sore prevention devices for three-lumen two-balloon tubes.

[0067] It should be noted that, unless otherwise specified, the embodiments and features described in this application can be combined with each other.

[0068] It should be noted that this invention uses a pressure ulcer prevention device for a three-lumen two-balloon tube as an example to introduce the specific structure and working principle of the invention. However, the application of this invention is not limited to a pressure ulcer prevention device for a three-lumen two-balloon tube, and it can also be applied to the production and use of other similar workpieces.

[0069] It should be understood that the present invention is not limited to the precise structure described above and shown in the accompanying drawings, and various modifications and changes can be made without departing from its scope. The scope of the invention is limited only by the appended claims.

[0070] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present invention should be included within the protection scope of the present invention.

Claims

1. A pressure ulcer prevention device for a three-lumen two-balloon tube, characterized in that, include: substrate; A lifting plate is mounted on the base plate in a height-adjustable manner; A first contact element is disposed on the substrate; The second contact element is disposed on the lifting plate; The length of the second contact is greater than the length of the first contact.

2. The pressure ulcer prevention device for a three-lumen two-balloon tube according to claim 1, characterized in that, The substrate is provided with a clearance hole for the passage of the second contact member.

3. The pressure ulcer prevention device for a three-lumen two-balloon tube according to claim 2, characterized in that, The first contact and the second contact are spaced apart.

4. The pressure ulcer prevention device for a three-lumen two-balloon tube according to claim 1, characterized in that, Both the lifting plate and the base plate are annular structures used to hold the blocking ball in place.

5. The pressure ulcer prevention device for a three-lumen two-balloon tube according to claim 1, characterized in that, The pressure ulcer prevention device for the three-lumen two-balloon tube includes a lifting member for adjusting the distance between the base plate and the lifting plate, the lifting member being disposed between the base plate and the lifting plate.

6. The pressure ulcer prevention device for a three-lumen two-balloon tube according to claim 5, characterized in that, The lifting member includes a first lifting rod and a second lifting rod, one end of the first lifting rod is disposed on the base plate, and one end of the second lifting rod is disposed on the lifting plate; The first lifting rod and the second lifting rod are hinged together, and the hinged connection between the first lifting rod and the second lifting rod is provided with damping.

7. The pressure ulcer prevention device for a three-lumen two-balloon tube according to claim 6, characterized in that, Both the other end of the first lifting rod and the other end of the second lifting rod are provided with a grip, and the cross-sectional area of ​​the grip is larger than that of the first lifting rod and the second lifting rod.

8. The pressure ulcer prevention device for a three-lumen two-balloon tube according to claim 1, characterized in that, The first contact element is provided in multiple ways, and the multiple first contact elements are arranged at intervals on the substrate.

9. The pressure ulcer prevention device for a three-lumen two-balloon tube according to claim 2, characterized in that, Multiple second contact elements are provided, and the multiple second contact elements are spaced apart on the lifting plate, and the clearance hole is provided corresponding to the second contact element.

10. The pressure ulcer prevention device for a three-lumen two-balloon tube according to claim 1, characterized in that, Both the first contact and the second contact are elastic elements.

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