CN116492176B

CN116492176B - Skin care pad

Info

Publication number: CN116492176B
Application number: CN202310772536.4A
Authority: CN
Inventors: 高萌; 吴莹; 王玉玲; 暴雨; 王彬; 沙薇薇; 鲁晓春; 高杨
Original assignee: Second Medical Center of PLA General Hospital
Current assignee: Second Medical Center of PLA General Hospital
Priority date: 2023-06-28
Filing date: 2023-06-28
Publication date: 2024-12-13
Anticipated expiration: 2043-06-28
Also published as: CN116492176A

Abstract

The invention discloses a skin care cushion, which belongs to the field of medical equipment and comprises a pressure reducing module, a containing module, a ventilation assembly and a temperature control assembly, wherein the pressure reducing module comprises a pressure reducing unit which is in direct contact with a patient and a first control assembly which is used for controlling the pressure between the pressure reducing unit and the patient, the pressure reducing unit is connected with the first control assembly, the containing module comprises a cushion body which is in direct contact with the patient and a placing cavity which is used for containing the pressure reducing module, the placing cavity is arranged in the cushion body and is communicated with the outside through the top end of the cushion body, the ventilation assembly is used for increasing the air flow rate of the contact part of the patient and the care cushion so as to be beneficial to recovery of skin inflammation, the ventilation assembly is arranged and matched with a gap between the pressure reducing unit and the containing module, so that air flow moves smoothly on the surface of the care cushion, the ventilation assembly is arranged on the containing module, and the temperature control assembly is used for keeping a constant temperature state when the care cushion is in contact with the patient, and the temperature control assembly is arranged in the containing module.

Description

Skin care pad

Technical Field

The invention belongs to the technical field of medical appliances, and particularly relates to a skin care pad.

Background

Clinically, there is a case where a patient is in a sitting state for a long time, in which the risk of pressure sore generation in the buttocks of the patient is large and existing skin inflammation is easily deteriorated while pressure sore generation is performed for a postpartum or postoperative patient, so that there is a need for a cushion for such a patient, and the existing cushion has the following problems:

1. The conventional cushion is mainly integrated, does not have the function of regional pressure adjustment, cannot well realize dynamic pressure adjustment, and still has the risk of pressure sore under long-term contact;

2. The ventilation function of the existing cushion is realized by the loose structure or the material of the cushion, the ventilation direction and the ventilation force cannot be controlled, and when the cushion has the temperature regulation or constant temperature function, the cushion with low ventilation property is particularly easy for patients to generate new dermatitis.

There is therefore a need for a care cushion, in particular a skin care cushion, which is capable of controlling the pressure at the contact site with the patient and ensuring the ventilation effect at constant temperature.

Disclosure of Invention

In order to overcome the problems in the background art, the invention adopts the following technical scheme:

The skin care cushion comprises a pressure reducing module, a containing module, a ventilation assembly and a temperature control assembly, wherein the pressure reducing module can change the pressure of a contact position of the pressure reducing module with a patient and comprises a pressure reducing unit which is in direct contact with the patient, a first control assembly which controls the pressure between the pressure reducing unit and the patient, the pressure reducing unit is connected with the first control assembly, the containing module is used for providing a placing space for the pressure reducing module and comprises a cushion body which is in direct contact with the patient and a placing cavity which is used for containing the pressure reducing module, the placing cavity is arranged in the cushion body and is communicated with the outside through the top end of the cushion body, the ventilation assembly is used for increasing the air flow rate of a contact position of the patient and a nursing cushion so as to be beneficial to recovery of dermatitis and avoid new skin inflammation, the ventilation assembly is arranged on the containing module and is matched with a gap between the pressure reducing unit and the containing module so that the air flow can smoothly move on the surface of the nursing cushion, and the temperature control assembly is used for keeping a constant temperature state when the nursing cushion is in contact with the patient.

Further, the pressure reducing unit is arranged in the placing cavity, the pressure reducing unit comprises an initial state and a pressure reducing state, when the pressure reducing unit is in the initial state, the top end of the pressure reducing unit protrudes out of the placing cavity and is higher than the top end of the cushion body, and when the pressure reducing unit is in the pressure reducing state, the pressure reducing unit retracts into the placing cavity so that the corresponding part of a patient bears pressure reduction.

Further, the first control assembly includes a timing regulation structure defining a regulation interval of a minutes and a regulation duration of b minutes, and when a pressure reducing unit reaches a in contact with a patient in an initial state, the timing regulation structure controls the pressure reducing unit to be converted into a pressure reducing state and converts the pressure reducing unit back to the initial state again after b minutes.

Further, the regulation interval of each of the pressure reducing units is the same as the regulation duration, but the timing starting points are different between different pressure reducing units, so that the different pressure reducing units do not simultaneously undergo transition between the two states.

Further, each of the placement cavities is composed of at least one cavity unit, the placement cavities are not communicated, vertical holes are vertically formed in the positions between the placement cavities in a penetrating mode, and the vertical holes are formed in the periphery of the placement cavities to enable the placement cavities to have better air permeability.

Further, the center of the pad body is provided with a vertically penetrating through hole for keeping the center of the buttocks suspended and enhancing the ventilation effect, and the ventilation assembly is connected with the through hole.

Further, the ventilation assembly comprises an air supply structure and a second control assembly, wherein the air supply structure is used for guiding the air flow in one direction, the second control assembly is connected with the air supply structure through a wire, the second control assembly is used for changing the air flow guiding of the air supply structure, the ventilation assembly is in a heat dissipation state when the air supply structure guides the air flow to the top end of the cushion body, and the ventilation assembly is in a ventilation state when the air supply structure guides the air flow to the bottom end of the cushion body.

Further, the temperature control assembly comprises a constant temperature structure, and the constant temperature structure is arranged at one side, close to the top end, of the inner part of the cushion body.

Further, the temperature control assembly further comprises a third control assembly for automatically and/or manually controlling the temperature of the constant temperature structure, and the third control assembly is connected with the constant temperature structure through a wire.

Further, when the pad is placed on a platform parallel to a horizontal plane, the pad has a ring-shaped cross-section in a vertical direction.

The invention has the beneficial effects that:

1. Through setting up controllable decompression unit, make certain decompression unit be in the decompression state when a plurality of decompression units are in initial state for the pressure between the decompression unit that is in the decompression state and the patient position that corresponds thereof reduces, and change the state of other decompression units in proper order after this decompression unit resumes initial state, thereby reach the dynamic regulation and control to patient contact surface pressure, possess fine pressure sore prevention effect.

2. Through setting up ventilation unit and cooperation gap between the decompression unit and the perpendicular hole on the pad body for this nursing pad possesses good ventilation effect, controllable ventilation direction and multiple ventilation route.

3. Through setting up the constant temperature subassembly and cooperation ventilation assembly for patient's skin is in constant temperature and dry state relatively, and then effectively suppresses spreading of dermatitis.

Drawings

FIG. 1 is a schematic view showing the overall structure of a decompression unit in a decompressed state according to embodiment 1 of the present invention;

FIG. 2 is a schematic view showing the overall structure of the decompression unit according to embodiment 1 of the present invention in an initial state;

FIG. 3 is a schematic cross-sectional view showing a partial structure of the distribution of the air charging lines in embodiment 1 of the present invention;

FIG. 4 is a schematic cross-sectional view of the first control assembly of embodiment 1 of the present invention;

FIG. 5 is a schematic sectional view of a part of a temperature control assembly according to embodiment 1 of the present invention;

FIG. 6 is a schematic view showing the overall structure of the pressure reducing unit in the reduced pressure state in embodiment 2 of the present invention;

Fig. 7 is a schematic cross-sectional view showing the structure of the decompression unit in the initial state in embodiment 2 of the present invention;

In the figure, 1, a decompression module, 11, a decompression unit, 111, an air charging pipeline, 12, a first control component, 121, a timing regulation structure, 2, a containing module, 21, a cushion body, 211, a vertical hole, 212, a through hole, 22, a placing cavity, 3, an air ventilation component, 31, an air supply structure, 32, a second control component, 4, a temperature control component, 41, a constant temperature structure, 42 and a third control component.

Detailed Description

The following detailed description of the embodiments of the present invention will be made more apparent to those skilled in the art from the following detailed description, in which the invention is embodied in several, but not all, embodiments of the invention. The invention may be embodied or applied in other specific forms and features of the following examples and examples may be combined with each other without conflict, all other examples being contemplated by those of ordinary skill in the art without undue burden from the present disclosure, based on the examples of the invention.

Example 1

1-7, The skin care pad comprises a pressure reducing module 1, a containing module 2, a ventilation assembly 3 and a temperature control assembly 4, wherein the pressure reducing module 1 can change the pressure of a contact position with a patient and comprises a pressure reducing unit 11 which is in direct contact with the patient, a first control assembly 12 which controls the pressure between the pressure reducing unit 11 and the patient, the pressure reducing unit 11 is connected with the first control assembly 12, the containing module 2 is used for providing a placing space for the pressure reducing module 1, a pad body 21 which is in direct contact with the patient and a placing cavity 22 which is used for containing the pressure reducing module 1 are arranged in the pad body 21 and communicated with the outside through the top end of the pad body 21, the ventilation assembly 3 is used for increasing the air flow rate of the contact position of the patient and the care pad so as to keep the skin dry and accelerate the recovery of dermatitis, the ventilation assembly 3 is arranged on the containing module 2 in a matched mode, the temperature control assembly 4 is used for keeping the care pad in a constant temperature state when the care pad is in contact with the patient, and the temperature control assembly 4 is arranged in the containing module 2.

1-7, The pressure reducing unit 11 is disposed inside the placement chamber 22, and the pressure reducing unit 11 includes an initial state in which a tip of the pressure reducing unit 11 protrudes from the placement chamber 22 and is higher than a tip of the pad 21, and a reduced-pressure state in which the pressure reducing unit 11 is retracted inside the placement chamber 22 such that a corresponding portion of the patient is subjected to pressure drop. The decompression unit 11 is in particular a balloon with an inflation line 111, which is placed in the placement chamber 22. The inflatable pipelines 111 penetrate through the cushion body 21 and are exposed out of the cushion body 21, the first control assembly 12 is connected with the inflatable pipelines 111 of all the decompression units 11 at the outer portion of the cushion body 21, an inflatable device is arranged at the outer portion of the cushion body 21 and is connected to the first control assembly 12 through an external pipeline, a one-way valve or a one-way flap is arranged on the external pipeline to prevent gas in the inflatable device from being directly output, each inflatable pipeline 111 can be inserted into or pulled out of the external pipeline under the control of the first control assembly 12, the first control assembly 12 comprises a plurality of clamping jaws connected with a timer, the clamping jaws can slide back and forth along the axial direction when the inflatable pipeline 111 is inserted into the first control assembly 12, the clamping jaws are sleeved after the inflatable pipeline 111 is inserted into the first control assembly 12, the inflatable device can be inserted into the external pipeline according to a defined regulation interval, the external pipeline is pulled out after the regulation duration is finished, and finally, the initial state and the decompression state are switched.

In this embodiment, the decompression units 11 are distributed on the pad body 21 around the through holes 212 in a circumferential array, the inside of the first control component 12 includes a single chip microcomputer and a replaceable battery which can write in and control the on-off relationship between the external pipeline and the inflation pipeline 111, these are all in the prior art, under the action of the first control component 12, each decompression unit 11 in the circumferential array can be sequentially contracted and expanded, and uniform and proper decompression and relaxation can be provided for different contact positions of a patient, so that good prevention effects of dermatitis and pressure sores can be achieved.

In another more preferred embodiment, the pressure reducing unit 11 is an elastic block, the specific material of the elastic block is silica gel or medical rubber or latex, a telescopic structure capable of vertically lifting is connected to the lower end of the elastic block, when the first control component 12 is connected with the telescopic structure, the elastic block can be controlled to upwards squeeze the patient or downwards keep away from the patient, when all the elastic blocks move up and down according to a set rule, the contact part of the patient and the nursing pad can be relaxed in turn, and further pressure sores and dermatitis are prevented.

1-7, The first control assembly 12 includes a timing control structure 121, that is, various prior art techniques for calculating time and controlling on/off of a circuit, and a jaw connected with such prior art techniques, specifically, a reset jaw connected with a timer, when the first timing is finished, the connection between the external connection pipeline and the inflation pipeline 111 is disconnected, when the second timing is finished, the connection between the external connection pipeline and the inflation pipeline 111 is restored, and then the next cycle is performed, a minute of control interval is defined, a minute of control duration is defined, b minutes of control duration is defined, when a contact duration of one decompression unit 11 with a patient reaches a in an initial state, at this time, the timing control structure 121 controls the decompression unit 11 to be converted into a decompression state and converts the decompression unit 11 back into the initial state after b minutes, wherein 20 minutes < a <120 minutes, 5 minutes < b <10 minutes. The regulation interval of each decompression unit 11 is the same as the regulation time period, but the timing starting time points are different between different decompression units 11, so that the different decompression units 11 do not simultaneously undergo transition between the two states.

1-7, Each placement cavity 22 is composed of at least one cavity unit, the placement cavities 22 are not communicated, vertical holes 211 are vertically formed in the positions of the cushion body 21 between the different placement cavities 22, and the cushion body 21 is better in air permeability by arranging the vertical holes 211 around the placement cavities 22, and the vertical holes 211 are not communicated with the placement cavities 22. The manufacturing material of the cushion body 21 is high-strength gel or medical plastic with an elastic layer outside, so that the vertical holes 211 and the through holes 212 can not be pressed and bent to a blocking state when patients with different weights sit down, the vertical holes 211 can also enhance the longitudinal pressure resistance of the cushion body 21 to a certain extent, the occurrence of the situation that ventilation is blocked is avoided, the elastic layer is tpe or foam or latex, and smoother contact experience is brought to the patients.

In a more preferred embodiment, referring to fig. 1 to 7, a through hole 212 is formed in the center of the pad body 21 to vertically penetrate therethrough, for suspending the center of the buttocks and enhancing ventilation, and the ventilation assembly 3 is connected to the through hole 212. The ventilation assembly 3 comprises an air supply structure 31 and a second control assembly 32, the air supply structure 31 and the second control assembly 32 are connected through wires, the second control assembly 32 is used for changing the air flow direction of the air supply structure 31, when the air supply structure 31 guides the air flow to the top end of the cushion body 21, the ventilation assembly 3 is in a heat dissipation state, and when the air supply structure 31 guides the air flow to the bottom end of the cushion body 21, the ventilation assembly 3 is in a ventilation state. The air supply structure 31 may be one or more groups of vertically stacked rotor fans, the second control component 32 is a direction-changing switch embedded on the rotor fans and an energy supply structure, and the energy supply structure may be a rechargeable battery or a micro-accumulator, and the air supply structure 31 needs to continuously operate in use, so that the ventilation direction is selected before each use, and the above structure can achieve the function.

In another preferred embodiment, the second control unit 32 is also a control module connected to the air supply structure 31, but can control the ventilation direction of the air supply structure 31 from the outside through wired or wireless control when the patient uses the air supply structure, so that the operation mode is more flexible.

1-7, The temperature control assembly 4 includes a thermostatic structure 41, the thermostatic structure 41 being disposed on a side of the interior of the pad 21 near the top end. The temperature control assembly 4 further comprises a third control assembly 42 for automatically and/or manually controlling the temperature of the thermostatic structure 41, the third control assembly 42 being connected to the thermostatic structure 41 by means of wires. The constant temperature structure 41 is an electric heating wire or an electric heating sheet, the outside of the constant temperature structure 41 is wrapped with an insulating heat conducting structure, and the top end area of the pad body 21 corresponding to the constant temperature structure 41 is not provided with an elastic layer, but is provided with a wool fabric or a fabric with wool on the surface, so that a certain heat preservation effect is achieved, and the temperature is relatively concentrated at a wound position close to the center of the buttocks of a patient.

In a more preferred embodiment, referring to fig. 1-7, when the pad 21 is placed on a platform parallel to the horizontal plane, the cross-sectional shape of the pad 21 in the vertical direction is annular, and the contour of the outermost side of the pad 21 is closer to an ellipse, which can better adapt to the contour of the buttocks of the patient in the sitting state.

Example 2

1-7, The skin care pad comprises a pressure reducing module 1, a containing module 2, a ventilation assembly 3 and a temperature control assembly 4, wherein the pressure reducing module 1 can change the pressure of a contact position with a patient and comprises a pressure reducing unit 11 which directly contacts the patient, a first control assembly 12 which controls the pressure between the pressure reducing unit 11 and the patient, the pressure reducing unit 11 is connected with the first control assembly 12, the containing module 2 is used for providing a placing space for the pressure reducing module 1, a pad body 21 which directly contacts the patient and a placing cavity 22 which contains the pressure reducing module 1 are arranged inside the pad body 21 and are communicated with the outside through the top end of the pad body 21, the ventilation assembly 3 is used for increasing the air flow rate of the contact position of the patient and the care pad so that the skin of the patient is kept dry and new skin inflammation is not easy to generate, the air flow moves smoothly on the surface of the care pad by arranging the ventilation assembly 3 on the containing module 2 in a matching way, the temperature control assembly 4 is used for keeping a constant temperature state when the care pad contacts the patient, and the temperature control assembly 4 is arranged inside the containing module 2.

The difference between the present embodiment and embodiment 1 is that the pressure reducing units 11 in the present embodiment are a plurality of hollow annular air bags, the annular air bags are disposed in the placement cavities 22 with corresponding shapes, the pressure reducing units 11 and the placement cavities 22 are radially spread outwards with the center of the through holes 212 as the reference point, the principle of the first control component 12 in the present embodiment is the same as that of the first control component 12 in embodiment 1, and the difference is that the different pressure reducing units 11 in the present embodiment can slightly push the skin of the patient at the corresponding positions around in the expansion process, and can decompress the contact positions of the patient in the contraction process, thereby preventing the patient from generating pressure sores and dermatitis and simultaneously providing good rehabilitation assistance effect.

Claims

1. A skin care pad which comprises a pad body and a pad body, characterized in that it comprises:

the pressure reducing module can change the pressure of a contact position with a patient and comprises a pressure reducing unit directly contacting the patient and a first control component for controlling the pressure between the pressure reducing unit and the patient, wherein the pressure reducing unit is connected with the first control component, the pressure reducing units are distributed on the cushion body in a circumferential array around the through holes, and under the action of the first control component, each pressure reducing unit in the circumferential array can sequentially shrink and expand to provide uniform and proper pressure reducing and releasing for different contact positions of the patient;

The accommodating module is used for providing an accommodating space for the pressure reducing module and comprises a cushion body which directly contacts a patient and an accommodating cavity for accommodating the pressure reducing module, wherein the accommodating cavity is arranged in the cushion body and is communicated with the outside through the top end of the cushion body;

The ventilation assembly is used for increasing the air flow rate of the contact part of a patient and the nursing pad so as to avoid skin inflammation from deteriorating, the ventilation assembly is arranged and matched with a gap between the pressure reducing unit and the accommodating module, so that air flow smoothly moves on the surface of the nursing pad, the ventilation assembly is arranged on the accommodating module, the center of the pad body is provided with a vertically penetrating through hole for keeping the center position of the buttocks suspended and effectively ventilating, and the ventilation assembly is connected with the through hole;

The temperature control assembly is used for keeping a constant temperature state when the nursing pad is in contact with a patient, is arranged in the accommodating module, comprises a constant temperature structure, is arranged on one side, close to the top end, of the inner part of the pad body, and is not provided with an elastic layer, but is provided with wool fabrics, so that a certain heat preservation effect is achieved, and the temperature is relatively concentrated at a wound position, close to the center of the buttocks of the patient;

when the cushion body is placed on a platform parallel to a horizontal plane, the cross section of the cushion body along the vertical direction is annular, and the outline of the outermost side of the cushion body is elliptical;

The first control component comprises a timing regulation structure, a regulation interval is defined to be a minutes, a regulation duration is defined to be b minutes, when the contact duration of one pressure reducing unit with a patient in an initial state reaches a minute, the timing regulation structure controls the pressure reducing unit to be converted into a pressure reducing state at the moment and converts the pressure reducing unit back to the initial state again after b minutes;

The pressure reducing unit is an air bag with an air charging pipeline, the air bag is placed in the placing cavity, the air charging pipeline penetrates through the cushion body and is exposed out of the cushion body, the first control component is connected with the air charging pipelines of all the pressure reducing units outside the cushion body, an air charging device is arranged outside the cushion body and is connected to the first control component through an external connecting pipeline, a one-way valve or a one-way flap is arranged on the external connecting pipeline to prevent gas in the air charging device from being directly output, each air charging pipeline can be inserted into or pulled out of the external connecting pipeline under the control of the first control component, the first control component comprises a plurality of clamping jaws connected with a timer, when the air charging pipeline is inserted into the first control component, the clamping jaws can slide back and forth along the axial direction of the air charging pipeline, and can be sleeved by the clamping jaws after the air charging pipeline is inserted into the first control component, and can be inserted into the external connecting pipeline according to a defined regulation interval, and can be pulled out of the external connecting pipeline after the regulation duration is finished, and the initial state and the pressure reducing state are switched are realized;

when the pressure reducing unit is in a pressure reducing state, the pressure reducing unit is retracted into the placing cavity so that the pressure of the corresponding part of a patient is reduced, vertical holes are vertically formed in the positions of the cushion bodies between the different placing cavities, and the ventilation assembly comprises an air supply structure and a second control assembly, wherein the air supply structure is used for guiding the air flow direction in one direction.

2. A skin care pad according to claim 1, characterized in that the regulation interval of each of the pressure reducing units is the same as the regulation time period, but the time points at which the timing starts are different between different pressure reducing units, so that the different pressure reducing units do not switch between the two states at the same time.

3. A skin care pad according to claim 1, characterized in that each of said placement cavities is composed of at least one cavity unit, said placement cavities being not in communication with each other, said vertical holes being not in communication with said placement cavities by arranging said vertical holes around said placement cavities.

4. The skin care pad of claim 1 wherein the air supply structure is connected to the second control assembly by a wire, the second control assembly is configured to change the direction of the air flow of the air supply structure, the air permeable assembly is in a heat dissipating state when the air supply structure directs the air flow toward the top end of the pad, and the air permeable assembly is in an air permeable state when the air supply structure directs the air flow toward the bottom end of the pad.

5. The skin care pad of claim 1 wherein the temperature control assembly comprises a thermostatic structure disposed on a side of the interior of the pad body proximate the top end.

6. A skin care pad according to claim 5, characterized in that the temperature control assembly further comprises a third control assembly for automatically and/or manually controlling the temperature of the thermostatic structure, the third control assembly being connected to the thermostatic structure by means of wires.