Medical intubation lubricant smearing device

By designing a medical cannula lubricant application device, a combination of a coating component and a liquid bladder is used to achieve uniform application of lubricant, solving the problems of lubricant dripping and uneven application, and improving the convenience and hygiene of operation.

CN223622675UActive Publication Date: 2025-12-02中国人民解放军北京卫戍区海淀第九退休干部休养所
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Patent Information

Application Number
CN202520503377.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-21
Publication Date
2025-12-02
Estimated Expiration
2035-03-21

AI Technical Summary

Technical Problem

In the prior art, when applying lubricant to medical catheters, the lubricant is prone to dripping, affecting the hygiene around the patient, and it is difficult to form a uniform film, resulting in poor lubrication.

Method used

A medical cannula lubricant application device was designed, comprising a coating component with elasticity and capillary action and a liquid bladder for storing lubricant. By pressing the protrusion, the lubricant flows into the coating component, and the capillary action of the coating component forms a uniform film on the cannula surface.

Benefits of technology

It achieves uniform application of lubricant, avoids lubricant dripping, ensures hygiene around the patient, simplifies the operation process, and is suitable for single use.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a medical intubation lubricant smearing device which comprises a liquid smearing piece with elasticity and capillary action, two working pieces which are connected in a pivoted mode and a liquid bag storing a lubricant, and the working faces of the two working pieces are both provided with the liquid smearing piece; the working piece further comprises a liquid path, a containing groove and a pressing protrusion, the containing groove and the pressing protrusion are arranged on the working face, the liquid bag is arranged in the containing groove, and an easily-opened sealing opening of the liquid bag is connected with the liquid coating piece through the liquid path. When the easy-to-open sealing opening is in a closed state, the lubricant is stored in the liquid bag; one working piece rotates in the first direction relative to the other working piece, a working channel is formed between the two liquid coating pieces, the pressing protrusion of one working piece is inserted into the containing groove of the other working piece and extrudes the liquid bag in the containing groove, and the easy-to-open sealing opening is switched from the closed state to the open state; the lubricant in the liquid bag can reach the liquid coating piece through the liquid path, so that the medical staff is helped to omit the steps of pouring the lubricant to the hand and then coating the lubricant on the hand to the medical cannula.
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Description

Technical Field

[0001] This application belongs to the field of medical device technology, specifically a medical cannula lubricant application device. Background Technology

[0002] Intubation involves inserting a catheter into the human body through openings or cavities on the surface or inside the body to administer or remove gas or fluids. Common types of intubation tubes include gastric tubes and nasogastric tubes.

[0003] To increase lubrication during intubation, paraffin oil or other lubricants are applied to the outer wall of the medical cannula. Clinically, most medical staff, after wearing gloves, pour the lubricant into their palms and then apply it to the cannula. However, since the amount of lubricant is mainly determined by the medical staff themselves, sometimes too much lubricant is poured into their palms, which may drip directly onto the ground. Furthermore, when applying excessive lubricant to the cannula, there is a possibility that the lubricant may drip off the cannula, affecting the hygiene around the patient. In addition, it is difficult to ensure that the lubricant forms a thin and uniform film on the surface of the cannula, making it difficult to guarantee the quality of lubricant application. Utility Model Content

[0004] To avoid excessive application of lubricant and to ensure the lubricating effect of the lubricant on medical catheters, this application provides a medical catheter lubricant application device.

[0005] A medical cannula lubricant application device includes a coating component with elasticity and capillary action, two pivotally connected working components, and a liquid bladder storing lubricant. One working component is rotatable relative to the other working component around a first axis. Both working components have coating components on their working surfaces. Each working component also includes a liquid path, a receiving groove and a pressing protrusion on its working surface. The liquid bladder is located in the receiving groove, and its easy-open seal is connected to the coating component via the liquid path. When the easy-open seal is closed, the lubricant is stored in the liquid bladder. When one working component rotates relative to the other working component in a first direction, a working channel for the cannula to pass through is formed between the two coating components. The pressing protrusion of one working component inserts into the receiving groove of the other working component and squeezes the liquid bladder in the receiving groove. The easy-open seal switches from a closed state to an open state, and the lubricant in the liquid bladder can reach the coating component via the liquid path.

[0006] In one embodiment of this application, both working surfaces of the two working parts are provided with working grooves, which penetrate both ends of the working parts in a direction parallel to the first axis, and the coating part is connected to the inner wall of the working groove.

[0007] In one embodiment of this application, the liquid passage is located inside the working piece and communicates with the inner wall of the working tank.

[0008] In one embodiment of this application, the inner wall of the working tank connected to the liquid channel is provided with multiple liquid dispersing holes, which are connected to the liquid channel. The easy-open seal of the liquid bladder is connected to the coating component through the liquid channel and the multiple liquid dispersing holes.

[0009] In one embodiment of this application, a plurality of liquid dispersing holes are distributed on the inner wall of the working tank in a direction parallel to the first axis.

[0010] In one embodiment of this application, the length of the working tank is greater than the length of the coating component.

[0011] In one embodiment of this application, the cross-section of the coating component is semi-circular, so that the cross-section of the working channel formed between the two coating components is circular.

[0012] In one embodiment of this application, the working part includes a pivot side and an operating side disposed opposite to the pivot side, a liquid coating member is provided between the pivot side and the operating side, and the pivot sides of the two working parts are pivotally connected; the operating side is provided with a receiving groove and a pressing protrusion, as well as a liquid bladder disposed in the receiving groove.

[0013] In one embodiment of this application, the height of the liquid bladder is less than the depth of the receiving groove, the liquid bladder is disposed inside the receiving groove, and is spaced apart from the opening of the receiving groove.

[0014] In one embodiment of this application, the coating component is a sponge.

[0015] The beneficial effects of this application are at least as follows:

[0016] 1. By pressing the protrusion to squeeze the liquid sac, the pressure inside the sac increases, thereby opening the easy-open seal of the sac. The lubricant in the sac reaches the coating element through the liquid path. Due to the capillary action of the coating element, the lubricant completely wets the coating element. When the medical catheter passes through the working channel formed by the two coating elements, the coating element undergoes elastic deformation, and the two coating elements cover the sidewall of the medical catheter. Subsequently, the coating device moves along the axis of the medical catheter, and the lubricant on the coating element can be applied to the sidewall of the medical catheter. During this process, the doctor does not need to touch the lubricant again. At the same time, it ensures that the lubricant forms a thin and uniform film on the sidewall surface of the medical catheter, avoiding excessive lubricant on the catheter and dripping onto the ground, which helps to ensure hygiene.

[0017] 2. This application has a simple structure and can be made into a disposable product, which facilitates medical staff in applying lubricant to medical catheters. Attached Figure Description

[0018] Figure 1 This is a schematic structural diagram of one embodiment of the present application;

[0019] Figure 2This is a schematic structural diagram of one embodiment of the liquid dispersing hole in this application;

[0020] Figure 3 This is a schematic diagram illustrating one embodiment of the press-protrusion in this application;

[0021] Figure 4 This is a schematic diagram illustrating one embodiment of the working channel in this application;

[0022] Figure 5 This is a schematic diagram of one embodiment of the liquid circuit in this application;

[0023] Figure 6 This is a schematic diagram illustrating one embodiment of the easy-open seal in this application.

[0024] In the picture:

[0025] 101. First working piece; 102. First receiving groove; 103. First pressing protrusion; 104. First liquid bladder;

[0026] 201. Second working piece; 202. Second receiving groove; 203. Second pressing protrusion; 204. Second liquid bladder;

[0027] 301. Liquid path; 302. Coating component; 303. Dispensing hole; 304. Working tank; 305. Easy-open seal; 306. First pivot shaft. Detailed Implementation

[0028] To provide a clearer understanding of the technical features, objectives, and effects of this application, specific embodiments of this application are now described with reference to the accompanying drawings. In the drawings, the same reference numerals indicate components with the same or similar structures but the same function.

[0029] In this document, “illustrative” means “serving as an example, illustration or description”, and any illustration or implementation described herein as “illustrative” should not be construed as a more preferred or advantageous technical solution.

[0030] To keep the drawings concise, only the parts relevant to this application are shown schematically in each drawing, and they do not represent the actual structure of the product. In addition, to make the drawings concise and easy to understand, in some drawings, only one of the components with the same structure or function is shown schematically, or only one of them is labeled.

[0031] Please see Figures 1 to 6 Learn more about this application.

[0032] See Figure 1A medical cannula lubricant application device includes a coating element 302 with elasticity and capillary action. In one embodiment of this application, the coating element 302 is a sponge. Of course, the coating element 302 can also be a cotton product or other object with elasticity and capillary action.

[0033] The medical cannula lubricant application device also includes two pivotally connected working parts and a liquid bladder containing lubricant. The pivotal sides of the two working parts are pivotally connected by a first pivot shaft 306. One working part can rotate relative to the other working part about the axis of the first pivot shaft 306, i.e., the first axis.

[0034] Both working surfaces are provided with a coating component 302. The working components also include a liquid passage 301 connected to the coating component 302, a receiving groove and a pressing protrusion on the working surface, a liquid bladder in the receiving groove, and an easy-open seal 305 of the liquid bladder connected to the coating component 302 through the liquid passage 301.

[0035] The easy-open seal 305 can be formed from the wall of the liquid bladder that has undergone heat sealing or bonding. After the lubricant is injected into the liquid bladder, the opening of the liquid bladder is sealed by heat sealing or bonding to form the easy-open seal 305. The lubricant is stored in the liquid bladder. The easy-open seal 305 is in a closed state, so the lubricant is stored in the liquid bladder.

[0036] One working part rotates relative to another working part in a first direction around a first axis, and a working channel for the insertion tube can be formed between the two coating parts 302. The extension direction of the working channel is parallel to the first axis, and the pressing protrusion of one working part is inserted into the receiving groove of the other working part and squeezes the liquid bladder in the receiving groove. The pressure inside the liquid bladder increases, and the easy-open seal 305 switches from a closed state to an open state, thereby separating the bladder walls that are pressed together at the easy-open seal 305. The easy-open seal 305 opens, and the bag mouth of the liquid bladder is connected to the liquid passage 301. The lubricant in the liquid bladder can reach the coating part 302 through the liquid passage 301. When the easy-open seal 305 switches from a closed state to an open state, the lubricant in the liquid bladder can reach the coating part 302 through the liquid passage 301 under the squeezing action of the pressing protrusion.

[0037] For better description of this application, the two working parts are named first working part 101 and second working part 201. The receiving groove of the first working part 101 is named first receiving groove 102, the pressing protrusion is named first pressing protrusion 103, and the liquid bladder in the first receiving groove 102 is named first liquid bladder 104. The receiving groove of the second working part 201 is named second receiving groove 202, the pressing protrusion is named second pressing protrusion 203, and the liquid bladder in the second receiving groove 202 is named second liquid bladder 204.

[0038] See Figures 1 to 5The working process of this application is described herein. A medical cannula can be placed between two coating elements 302. Then, the first working element 101 rotates around the first pivot axis 306. The two coating elements 302 clamp the medical cannula. Due to their own elasticity, the two coating elements 302 undergo elastic deformation and cover the side wall of the medical cannula. The medical cannula is located in the working channel and is coaxially arranged with the working channel.

[0039] As the first working piece 101 approaches the second working piece 201, the first pressing protrusion 103 inserts into the second receiving groove 202 and squeezes the second liquid bladder 204. The second pressing protrusion 203 inserts into the first receiving groove 102 and squeezes the first liquid bladder 104. Due to the increased pressure within the liquid bladders, the easily openable seals 305 of the two liquid bladders separate the walls of the bladders that were initially pressed together. (See attached image) Figure 6 This allows the easy-open seal 305 to switch from a closed state to an open state, enabling the lubricant stored in the liquid sac to flow out. The lubricant in the first liquid sac 104 passes through the liquid path 301 and reaches the coating component 302 connected to the first working part 101. Similarly, the lubricant in the second liquid sac 204 passes through the liquid path 301 and reaches the coating component 302 connected to the second working part 201. Due to the capillary action of the coating component 302, the lubricant can be dispersed throughout the entire coating component 302. Subsequently, the coating device moves along the axis of the medical catheter, allowing the lubricant on the coating component 302 to be applied to the side wall of the medical catheter. During this process, the doctor does not need to touch the lubricant again, preventing lubricant dripping. At the same time, it ensures that the lubricant forms a thin and uniform film on the side wall surface of the medical catheter, preventing excessive lubricant on the catheter from dripping onto the ground, thus ensuring hygiene.

[0040] Because the coating component 302 is elastic, the inner diameter of the working channel can be varied, thus adapting to medical cannulas of different diameters.

[0041] See Figure 4 , Figure 5 In one embodiment of this application, the cross-section of the coating element 302 is semi-circular, and the cross-section of the working channel formed between two coating elements 302 is circular. The cross-sectional shape of medical cannulas is mostly circular. The shape of the cross-section of the working channel is set so that the medical cannulas lubricant application device can adapt to the shape of the medical cannulas.

[0042] See Figure 3In one embodiment of this application, the height of the liquid bladder is less than the depth of the receiving groove. The liquid bladder is disposed in the receiving groove and spaced apart from the opening of the receiving groove to ensure that the pressing protrusion can stably extend into the receiving groove. In combination with the inner wall of the receiving groove, the deformation direction of the liquid bladder can be restricted, so that when the pressing protrusion can apply a large pressure to the liquid bladder, the position of the liquid bladder will not change, so that the bladder walls that are close to each other at the easy-open seal 305 can be stably separated under the squeezing action of the pressing protrusion.

[0043] See Figure 1 In one embodiment of this application, both working surfaces of the two working parts are provided with working grooves 304. The working grooves 304 penetrate both ends of the working parts in a direction parallel to the first axis. The coating part 302 is connected to the inner wall of the working groove 304. The inner wall of the working groove 304 can serve as the skeleton of the coating part 302, restricting the coating part 302 from moving away from the medical cannula, and preventing excessive deformation when the coating part 302 abuts against the medical cannula, which would result in a gap between the coating part 302 and the medical cannula.

[0044] See Figure 1 In one embodiment of this application, the length of the working tank 304 is greater than the length of the coating component 302 to avoid medical staff's hands coming into contact with the coating component 302.

[0045] See Figure 2 In one embodiment of this application, the liquid passage 301 is located inside the working piece and communicates with the inner wall of the working tank 304, thereby reducing the space occupied by the liquid passage 301.

[0046] See Figure 2 In one embodiment of this application, the inner wall of the working tank 304, which is connected to the liquid channel 301, is provided with a plurality of liquid dispersing holes 303. The plurality of liquid dispersing holes 303 are connected to the liquid channel 301. The easy-open seal 305 of the liquid bladder is connected to the coating component 302 through the liquid channel 301 and the plurality of liquid dispersing holes 303, so that the lubricant reaches different positions of the coating component 302 through the liquid channel 301 and the plurality of liquid dispersing holes 303, thereby accelerating the lubricant wetting of the coating component 302.

[0047] See Figure 2 In one embodiment of this application, a plurality of dispersing holes 303 are distributed on the inner wall of the working groove 304 in a direction parallel to the first axis, ensuring that the lubricant fully wets the coating component 302 in the length direction of the coating component 302, and the coating component 302 can apply the lubricant to the side wall of the medical cannula along the axial direction of the medical cannula.

[0048] See Figure 1In one embodiment of this application, the working parts include a pivot side and an operating side disposed opposite to the pivot side. A liquid coating component 302 is provided between the pivot side and the operating side. The pivot sides of the two working parts are pivotally connected by a first pivot shaft 306. The operating side is provided with a receiving groove and a pressing protrusion, as well as a liquid bladder disposed in the receiving groove. Medical personnel can hold the operating side and drive the medical cannula lubricant application device to move along the axial direction of the medical cannula. At the same time, by adjusting the clamping force on the two operating sides, the squeezing force of the pressing protrusion on the liquid bladder can be controlled, thereby controlling the flow rate of lubricant from the liquid bladder.

[0049] It should be understood that although this specification describes various embodiments, not every embodiment contains only one independent technical solution. This way of describing the specification is only for clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment can also be appropriately combined to form other embodiments that can be understood by those skilled in the art.

[0050] The detailed descriptions listed above are merely specific descriptions of feasible embodiments of this application and are not intended to limit the scope of protection of this application. All equivalent implementations or modifications made without departing from the spirit of the art of this application, such as combinations, divisions or repetitions of features, should be included within the scope of protection of this application.

Claims

1. A medical cannula lubricant application device, characterized in that, It includes a coating component with elasticity and capillary action, two pivotally connected working parts, and a liquid bladder storing lubricant. One of the working parts is rotatable relative to the other working part about a first axis, and the working surfaces of both working parts are provided with coating components. The working component also includes a liquid passage, a receiving groove and a pressing protrusion provided on the working surface, the liquid bladder is provided in the receiving groove, and the easy-open seal of the liquid bladder is connected to the coating component through the liquid passage. When the easy-open seal is in a closed state, the lubricant is stored in the liquid bladder; One of the working parts rotates relative to the other working part in a first direction, and a working channel for the insertion tube can be formed between the two coating parts. The pressing protrusion of one working part is inserted into the receiving groove of the other working part and squeezes the liquid bladder in the receiving groove. The easy-open seal switches from a closed state to an open state, and the lubricant in the liquid bladder can reach the coating part through the liquid path.

2. The medical cannula lubricant application device according to claim 1, characterized in that, Both working surfaces of the two working parts are provided with working grooves, which penetrate both ends of the working parts in a direction parallel to the first axis, and the coating component is connected to the inner wall of the working groove.

3. The medical cannula lubricant application device according to claim 2, characterized in that, The fluid passage is located inside the working piece and communicates with the inner wall of the working tank.

4. The medical cannula lubricant application device according to claim 3, characterized in that, The inner wall of the working tank connected to the liquid path is provided with multiple liquid dispersing holes, and the multiple liquid dispersing holes are connected to the liquid path. The easy-open seal of the liquid bladder is connected to the coating component through the liquid path and the multiple liquid dispersing holes.

5. A medical cannula lubricant application device according to claim 4, characterized in that, The plurality of the liquid dispersing holes are distributed on the inner wall of the working tank in a direction parallel to the first axis.

6. A medical cannula lubricant application device according to claim 2, characterized in that, The length of the working groove is greater than the length of the coating component.

7. The medical cannula lubricant application device according to claim 1, characterized in that, The cross-section of the coating component is semi-circular, so that the cross-section of the working channel formed between the two coating components is circular.

8. The medical cannula lubricant application device according to claim 1, characterized in that, The working piece includes a pivot side and an operating side disposed opposite to the pivot side, and the coating component is disposed between the pivot side and the operating side. The pivot sides of the two working pieces are pivotally connected. The operating side is provided with the receiving groove and the pressing protrusion, as well as a liquid bladder disposed in the receiving groove.

9. A medical cannula lubricant application device according to claim 1, characterized in that, The height of the liquid bladder is less than the depth of the receiving groove. The liquid bladder is disposed inside the receiving groove and is spaced apart from the opening of the receiving groove.

10. A medical cannula lubricant application device according to claim 1, characterized in that, The coating component is a sponge.