A medical interface

By designing a medical interface that combines rigid and flexible materials, along with a rotating component and a fixing groove structure, the problem of rigid plastic interfaces pressing on patients has been solved, thus improving safety and comfort.

CN117159904BActive Publication Date: 2026-11-06THE AFFILIATED SIR RUN RUN SHAW HOSPITAL OF SCHOOL OF MEDICINE ZHEJIANG UNIV +1
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Patent Information

Application Number
CN202310846558.0
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2023-07-11
Publication Date
2026-11-06
Estimated Expiration
2043-07-11

AI Technical Summary

Technical Problem

Existing rigid plastic medical interfaces can easily compress patients' bodies during clinical use, requiring additional elastic adhesive for fixation, resulting in unresolved discomfort and safety issues.

Method used

A medical interface comprising a first interface section, a second interface section, a first upper shell, and a first lower shell is designed. It uses a combination of rigid and soft materials, combined with a rotating component and a fixing groove structure, to achieve a reliable connection and comfortable fixation.

Benefits of technology

It effectively prevents axial stretching and lateral compression of medical interfaces, improves safety and comfort, simplifies the fixation process, and reduces patient discomfort.

✦ Generated by Eureka AI based on patent content.

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Abstract

The application relates to the field of medical devices, in particular to a medical interface. The medical interface comprises a first interface part, a second interface part, a first upper shell and a first lower shell. The first interface part comprises a first interface piece, the first interface piece is internally provided with a first cavity, and the outer wall of the first interface piece is externally provided with a first fixing piece. The second interface part comprises a second interface piece, the second interface piece is internally provided with a second cavity, and the outer wall of the second interface piece is externally provided with a second fixing piece. The first interface piece is matched with the second interface piece, the first fixing piece is matched with the second fixing piece, and the first upper shell and the first lower shell are respectively arranged on the outer walls of the first interface part and the second interface part. The medical interface is provided with the first upper shell and the first lower shell, axial stretching and external compression of the medical interface are prevented, and the safety of the existing medical interface is effectively improved.
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Description

Technical Field

[0001] This invention relates to the field of medical devices, and more specifically to a medical interface. Background Technology

[0002] Medical connectors are among the most commonly used medical consumables in clinical practice. For example, during drainage, the pigtail tube implanted in the body and the external drainage bag are connected and replaced through a plastic medical connector. Currently, such connectors are mainly made of rigid materials, and during clinical use, the connector is prone to pressing on the patient's body. In addition, in order to avoid unplanned removal of the tube, medical staff usually need to use elastic glue to fix the connector. The above situation often causes discomfort to the patient and even causes pressure injury. For such connectors, clinical care needs to take nursing risk management measures, including (1) marking the external tube with adhesive tape and frequently checking to prevent the tube from falling out. The position and patency of the tube should be communicated at the bedside of each shift and kept properly fixed; (2) the patient and family should be informed to maintain the functional position of the tube and to be careful not to pull it when turning over.

[0003] Nevertheless, the safety and comfort issues of medical connectors being dislodged by stretching and pressure have not been effectively resolved. Inventing a medical interface that is structurally robust, comfortable to use, and easy to fix has significant clinical application value. Summary of the Invention

[0004] The purpose of this invention is to solve the problems of current rigid plastic interfaces that easily compress the patient's body and cause discomfort, the need for additional elastic adhesive for fixation, and the lack of tension and pressure protection features in commonly used spiral male and female interfaces.

[0005] This invention provides a medical interface, comprising a first interface portion, a second interface portion, a first upper shell, and a first lower shell. The first interface portion includes a first interface component with a first cavity inside and a first fixing component on its outer wall. The second interface portion includes a second interface component with a second cavity inside and a second fixing component on its inner wall. The first interface component and the second interface component are matched, and the first fixing component and the second fixing component are matched. The first upper shell and the first lower shell respectively cover the outer walls of the first interface portion and the second interface portion.

[0006] Preferably, a first rotating component is provided on the outer wall of the first interface component;

[0007] And / or, a second rotating element is provided on the outer wall of the second interface element.

[0008] Preferably, the cross-sectional area of ​​the first cavity gradually decreases along the direction away from the second interface member;

[0009] The cross-sectional area of ​​the second cavity gradually increases along the direction away from the first interface.

[0010] Preferably, the outer wall of the first interface component is provided with a plurality of first fixing grooves, and the first fixing grooves are detachably connected to the first upper shell and / or the first lower shell;

[0011] And / or, the outer wall of the second interface component is provided with a plurality of second fixing grooves, and the second fixing grooves are detachably connected to the first upper shell and / or the first lower shell;

[0012] And / or, the first interface component has a circular cross-section perpendicular to the extension direction of the first cavity;

[0013] And / or, the second interface element has a circular cross-section perpendicular to the extension direction of the first cavity;

[0014] And / or, the first upper shell and the first lower shell have semi-circular cross sections perpendicular to the extension direction of the first cavity.

[0015] Preferably, it further includes a second upper shell and a second lower shell, the second upper shell covering the outer wall of the first upper shell, and the second lower shell covering the outer wall of the first lower shell.

[0016] Preferably, the material of the first upper shell and / or the first lower shell is a rigid material;

[0017] And / or, the material of the second upper shell and / or the second lower shell is a soft material;

[0018] And / or, the cross-section of the second upper shell perpendicular to the extension direction of the first cavity is semi-circular;

[0019] And / or, the cross-section of the second lower shell perpendicular to the extension direction of the first cavity is rectangular.

[0020] Preferably, the material of the first upper shell and / or the first lower shell is a thermosetting material, preferably selected from phenolic plastics, epoxy plastics, and unsaturated polyester plastics.

[0021] Preferably, the material of the second upper shell and / or the second lower shell is selected from one or more of natural rubber, butyl rubber, polyurethane and silicone rubber.

[0022] Preferably, it further includes a first conduit, which is connected to the end of the first interface member away from the second interface member;

[0023] And / or, it also includes a second conduit, the second conduit being connected to the end of the second interface member away from the first interface member.

[0024] Preferably, a skin-friendly patch is provided on the outer wall of the second upper shell and / or the second lower shell.

[0025] The present invention has at least one of the following beneficial technical effects:

[0026] (1) By setting up a first upper shell and a first lower shell, the present invention can prevent axial stretching and lateral compression of the medical interface, thereby effectively improving the safety of the existing medical interface;

[0027] (2) By setting up a soft second upper shell and a second lower shell, the present invention effectively improves the patient's comfort when the clinical medical interface is under pressure;

[0028] (3) The present invention effectively fixes the medical interface by integrating a skin-friendly patch on the medical interface; the device has a simple and ingenious structure, strong practicality, and significantly improved safety and comfort, and has important value in clinical application. Attached Figure Description

[0029] Figure 1 This is a longitudinal cross-sectional view of the medical interface of the present invention.

[0030] Figure 2 This is a schematic diagram of the structure of the first interface part of the present invention.

[0031] Figure 3 This is a schematic diagram of the medical interface of the present invention.

[0032] Figure 4 This is a left view of the first upper shell, first lower shell, second upper shell, and second lower shell of the medical interface of the present invention.

[0033] Figure 4 This is a front view of the first upper shell, first lower shell, second upper shell, and second lower shell of the medical interface of the present invention.

[0034] Figure label:

[0035] 1. First interface component;

[0036] 2. Second interface component;

[0037] 3. First upper shell;

[0038] 4. First lower shell;

[0039] 5. First cavity;

[0040] 6. First fastener;

[0041] 7. Second cavity;

[0042] 8. Second fastener;

[0043] 9. First rotating component;

[0044] 10. Second rotating component;

[0045] 11. First fixing groove;

[0046] 12. Second fixing groove;

[0047] 13. Second upper shell;

[0048] 14. Second lower shell;

[0049] 15. First catheter;

[0050] 16. Second catheter;

[0051] 17. Skin-friendly patch. Detailed Implementation

[0052] The following specific examples illustrate the implementation of the present invention. Those skilled in the art can easily understand other advantages and effects of the present invention from the content disclosed in this specification. The present invention can also be implemented or applied through other different specific embodiments, and various details in this specification can also be modified or changed based on different viewpoints and applications without departing from the spirit of the present invention.

[0053] It should be noted that the process equipment or apparatus not specifically mentioned in the following embodiments are all conventional equipment or apparatus in the art.

[0054] A medical interface includes a first interface portion, a second interface portion, a first upper shell 3, and a first lower shell 4. The first interface portion includes a first interface component 1, which has a first cavity 5 and a first fixing component 6 on its outer wall. The second interface portion includes a second interface component 2, which has a second cavity 7 and a second fixing component 8 on its inner wall. The first interface component 1 and the second interface component 2 are matched, and the first fixing component 6 and the second fixing component 8 are matched. The first upper shell 3 and the first lower shell 4 respectively cover the outer walls of the first interface portion and the second interface portion. The matching of the first interface component 1 and the second interface component 2 means that the shape, size and position of the first interface component 1 and the second interface component 2 correspond. When the first interface component 1 and the second interface component 2 are in contact, the liquid can pass through smoothly. The matching of the first fixing component 6 and the second fixing component 8 means that the shape, size and position correspond. The first fixing component 6 and the second fixing component 8 can be fixed by snap-fit ​​or threaded connection, but are not limited to these two methods. Structures that can achieve fixation in the prior art can also be applied to the present invention.

[0055] In a preferred embodiment, the outer wall of the first interface component 1 is provided with a first rotating component 9. The first rotating component 9 may be a protrusion or edge disposed on the outer wall of the first interface component 1, and the number of protrusions may be two or more. The outer wall of the second interface component 2 is provided with a second rotating component 10. The second rotating component 10 may be multiple protrusions or edges disposed on the outer wall of the second interface component 2, such as two or three. When the first fixing component 6 and the second fixing component 8 are threadedly connected, the connection between the first interface component 1 and the second interface component 2 can be controlled by rotating the first rotating component 9 and the second rotating component 10. The first rotating component 9 and the second rotating component 10 are designed to facilitate the screwing in, screwing out, or holding the first interface component 1 and the second interface component 2 in a stationary position.

[0056] In a preferred embodiment, the cross-sectional area of ​​the first cavity 5 gradually decreases along the direction away from the second interface member 2, and the cross-sectional area of ​​the second cavity 7 gradually increases along the direction away from the first interface member 1. When the first interface member 1 and the second interface member 2 are connected, the end of the second interface member 2 near the first connector is located in the first cavity 5, so that the first cavity 5 and the second cavity 7 cooperate to form a continuous closed channel, thereby ensuring a better sealing effect.

[0057] In a preferred embodiment, the outer wall of the first interface component 1 is provided with a plurality of first fixing grooves 11, the first fixing grooves 11 being detachably connected to the first upper shell 3 and / or the first lower shell 4. The outer wall of the second interface component 2 is provided with a plurality of second fixing grooves 12, the second fixing grooves 12 being detachably connected to the first upper shell 3 and / or the first lower shell 4. Preferably, there are two first fixing grooves 11 and two fixing grooves 12. In use, after the first fixing component 6 and the second fixing component 8, the first interface component 1 and the second interface component 2 are properly engaged, the first upper shell 3 is embedded in one of the first fixing grooves 11, the first lower shell 4 is embedded in another of the first fixing grooves 11, the first upper shell 3 is embedded in one of the second fixing grooves 12, and the first lower shell 4 is embedded in another of the second fixing grooves 12, thereby fixing the first interface component 1 and the second interface component 2 and preventing axial stretching and lateral compression.

[0058] In a preferred embodiment, the first interface component 1 has a circular cross-section perpendicular to the extension direction of the first cavity 5, the second interface component 2 has a circular cross-section perpendicular to the extension direction of the first cavity 5, the first upper shell 3 and the first lower shell 4 have semi-circular cross-sections perpendicular to the extension direction of the first cavity 5, the second upper shell 13 has a semi-circular cross-section perpendicular to the extension direction of the first cavity 5, and the second lower shell 14 has a rectangular cross-section perpendicular to the extension direction of the first cavity 5. The second upper shell 13 and the second lower shell 14 are joined and sealed.

[0059] In a preferred embodiment, the system further includes a second upper shell 13 and a second lower shell 14. The second upper shell 13 covers the outer wall of the first upper shell 3, and the second lower shell 14 covers the outer wall of the first lower shell 4. The second upper shell 13 protects the first upper shell 3, and the second lower shell 14 protects the first lower shell 4. The first upper shell 3 and / or the first lower shell 4 are made of rigid materials, preferably rigid, pressure-resistant, and non-deformable plastics, specifically thermosetting materials such as phenolic plastics, epoxy plastics, and unsaturated polyester plastics. The second upper shell 13 and / or the second lower shell 14 are made of soft materials, preferably soft, pressure-bearing, and deformable rubber, specifically natural rubber, butyl rubber, polyurethane, and silicone rubber.

[0060] In a preferred embodiment, it further includes a first conduit 15, which is connected to the end of the first interface 1 that is away from the second interface 2;

[0061] And / or, it also includes a second conduit 16, which is connected to the end of the second interface 2 away from the first interface 1.

[0062] In a preferred embodiment, a skin-friendly patch 17 is provided on the outer wall of the second upper shell 13 and / or the second lower shell 14. The skin-friendly patch 17 is made of soft polysilicon foam dressing and has a removable protective film on its surface.

[0063] Example 1

[0064] Method of using the medical interface of the present invention

[0065] The medical interface includes a first interface portion, a second interface portion, a first upper shell 3, and a first lower shell 4. The first interface portion includes a first interface component 1, which has a first cavity 5 and a first fixing component 6 on its outer wall. The second interface portion includes a second interface component 2, which has a second cavity 7 and a second fixing component 8 on its inner wall. The first interface component 1 and the second interface component 2 are matched, and the first fixing component 6 and the second fixing component 8 are matched. The first upper shell 3 and the first lower shell 4 respectively cover the outer walls of the first interface portion and the second interface portion. The first fixing member 6 and the second fixing member 8 are connected by a threaded connection. The outer wall of the first interface member 1 is provided with a first rotating member 9, which consists of two protrusions on the outer wall of the first interface member 1. The outer wall of the second interface member 2 is provided with a second rotating member 10, which also consists of two protrusions on the outer wall of the second interface member 2. In a preferred embodiment, the cross-sectional area of ​​the first cavity 5 gradually decreases along the direction away from the second interface member 2, and the cross-sectional area of ​​the second cavity 7 gradually increases along the direction away from the first interface member 1. The outer wall of the first interface member 1 is provided with a plurality of first fixing grooves 11, which are detachably connected to the first upper shell 3 and / or the first lower shell 4. The outer wall of the second interface member 2 is provided with a plurality of second fixing grooves 12, which are detachably connected to the first upper shell 3 and / or the first lower shell 4. There are two of each of the first upper shell 11 and the second fixing groove 12. It also includes a second upper shell 13 and a second lower shell 14. The second upper shell 13 covers the outer wall of the first upper shell 3, and the second lower shell 14 covers the outer wall of the first lower shell 4. The material of the first upper shell 3 and / or the first lower shell 4 can be thermosetting materials such as phenolic plastic, epoxy plastic, and unsaturated polyester plastic. The material of the second upper shell 13 and / or the second lower shell 14 can be any one of NR, IIR, polyurethane and silicone rubber. It also includes a first conduit 15, which is connected to the end of the first interface 1 away from the second interface 2. It also includes a second conduit 16, which is connected to the end of the second interface 2 away from the first interface 1. A skin-friendly patch 17 is provided on the outer wall of the second upper shell 13 and / or the second lower shell 14. The skin-friendly patch 17 is made of soft polysilicon foam dressing and has a removable protective film on its surface.

[0066] Usage steps:

[0067] (1) The medical staff rotates the first rotating part 9 with one hand and the second rotating part 10 with the other hand, so that the first rotating part 9 and the second rotating part 10 are fully coordinated;

[0068] (2) The first upper shell 3 is embedded in the first fixing groove 11, the first lower shell 4 is embedded in the other first fixing groove 11, the first upper shell 3 is embedded in the second fixing groove 12, and the first lower shell 4 is embedded in the other second fixing groove 12 to lock them in place.

[0069] (3) Install the second upper shell 13 and the second lower shell 14 onto the first upper shell 3 and the first lower shell 4 respectively;

[0070] (4) Remove the protective film of the skin-friendly patch 17 and fix the medical interface device to the appropriate part of the patient's body.

[0071] The above embodiments are merely illustrative of the principles and effects of the present invention and are not intended to limit the invention. Any person skilled in the art can modify or alter the above embodiments without departing from the spirit and scope of the present invention. Therefore, all equivalent modifications or alterations made by those skilled in the art without departing from the spirit and technical concept disclosed in the present invention should still be covered by the claims of the present invention.

Claims

1. A medical interface, characterized in that, It includes a first interface portion, a second interface portion, a first upper shell (3) and a first lower shell (4). The first interface portion includes a first interface component (1), which has a first cavity (5) and a first fixing component (6) on its outer wall. The second interface portion includes a second interface component (2), which has a second cavity (7) and a second fixing component (8) on its inner wall. The first interface component (1) matches the second interface component (2), and the first fixing component (6) matches the second fixing component (8). The first upper shell (3) and the first lower shell (4) respectively cover the outer walls of the first interface portion and the second interface portion. The outer wall of the first interface component (1) is provided with a plurality of first fixing grooves (11), and the first fixing grooves (11) are detachably connected to the first upper shell (3) and / or the first lower shell (4); The outer wall of the second interface component (2) is provided with a plurality of second fixing grooves (12), and the second fixing grooves (12) are detachably connected to the first upper shell (3) and / or the first lower shell (4); The first interface component (1) has a first rotating component (9) on its outer wall; The second interface component (2) has a second rotating component (10) on its outer wall; It also includes a second upper shell (13) and a second lower shell (14), the second upper shell (13) covering the outer wall of the first upper shell (3), and the second lower shell (14) covering the outer wall of the first lower shell (4); The material of the first upper shell (3) and / or the first lower shell (4) is a rigid material; The material of the second upper shell (13) and / or the second lower shell (14) is a soft material.

2. The medical interface according to claim 1, characterized in that, The cross-sectional area of ​​the first cavity (5) gradually decreases along the direction away from the second interface (2); The cross-sectional area of ​​the second cavity (7) gradually increases along the direction away from the first interface (1).

3. The medical interface according to claim 1, characterized in that, The first interface component (1) has a circular cross-section perpendicular to the extension direction of the first cavity (5); And / or, the second interface member (2) has a circular cross-section perpendicular to the extension direction of the second cavity (7); And / or, the first upper shell (3) and the first lower shell (4) have a semi-circular cross-section perpendicular to the extension direction of the first cavity (5).

4. The medical interface according to claim 1, characterized in that, The second upper shell (13) has a semi-circular cross-section perpendicular to the extension direction of the first cavity (5); And / or, the second lower shell (14) has a rectangular cross-section perpendicular to the extension direction of the second cavity (7).

5. The medical interface according to claim 1, characterized in that, The material of the first upper shell (3) and / or the first lower shell (4) is a thermosetting material.

6. The medical interface according to claim 5, characterized in that, The material of the second upper shell (13) and / or the second lower shell (14) is selected from one or more of natural rubber, butyl rubber, polyurethane and silicone rubber.

7. The medical interface according to any one of claims 1-3, characterized in that, It also includes a first conduit (15), which is connected to the end of the first interface (1) away from the second interface (2); And / or, it also includes a second conduit (16) connected to the end of the second interface (2) away from the first interface (1).

8. The medical interface according to any one of claims 1-3, characterized in that, A skin-friendly patch (17) is provided on the outer wall of the second upper shell (13) and / or the second lower shell (14).

Citation Information

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