CN116270083A - Prone position patient lies prone pillow - Google Patents

Abstract

The invention provides a prone position patient lying prone pillow which comprises a forehead pad, a chest flexible support piece, a pelvic bone pad and a pelvic bone flexible support piece, wherein the forehead pad is a ring-shaped forehead pad, a top placement area is defined by the inner side of an inner ring of the forehead pad, a left chest support area and a right chest support area are arranged on the chest pad, and a chest flexible support piece is respectively arranged at two sides of the connecting line direction of the center of the left chest support area and the center of the right chest support area of the chest pad. This prone position patient lies prone pillow is through increasing flexible support of pelvic bone and the flexible support of chest to inject the shape of forehead pad, wherein flexible support of pelvic bone cooperation sheet is fixed a position between patient and the pelvic bone pad, and wherein the flexible support of chest cooperation sheet is fixed a position between patient and the chest pad, and forehead pad can rotate along with the patient stands up, makes this pillow of lying prone be difficult for taking place the skew at patient stands up to prone position in-process, and then need not to relapse position adjustment.

Description

Prone position patient lies prone pillow

Technical Field

The invention relates to the technical field of prone position prone pillows, in particular to a prone position patient prone pillow suitable for prone position ventilation of patients without autonomous movement, wherein the patients without autonomous movement comprise but are not limited to tracheal intubation patients, tracheotomy patients and coma patients.

Background

Prone position refers to the prone position of a patient, two arms are bent and placed on two sides of the head, two legs are straightened, a soft pillow is placed on each of chest, hip and ankle of the patient, the head can be biased to one side, prone position ventilation is applicable to lumbar back examination or patients matched with pancreas and cholangiography examination, wounds are formed on the back or lumbar, back and buttocks of the patient after spine surgery, the patient who can not use prone or lateral lying can not use the patient, and abdominal pain is caused by flatulence.

For example, in chinese patent publication No. CN212940283U, a prone position ventilation pillow is disclosed, which includes a first headrest and a second headrest that are symmetrically arranged, a first chest pillow and a second chest pillow that are symmetrically arranged, and a first abdomen pillow and a second abdomen pillow that are symmetrically arranged; the first headrest and the second headrest, the first chest pillow and the second chest pillow, and the first abdomen pillow and the second abdomen pillow are all connected through connecting belts; the first headrest, the first chest pillow and the first abdomen pillow are communicated through the connecting pipes, and the second headrest, the second chest pillow and the second abdomen pillow are communicated through the connecting pipes; the first chest pillow, the second chest pillow, the first abdomen pillow and the second abdomen pillow are provided with a plurality of concave holes and a plurality of convex blocks; the invention has strong practicability, and can adopt proper inflation strength according to the illness state of a patient when in use, and the airbags on two sides are inflated and deflated alternately at fixed time, so that the implantation part of the body of the bedridden patient is changed continuously, the blood circulation is promoted, the muscular atrophy is prevented, and the occurrence of pressure sores is reduced.

The prior art has the following problems in the application process:

when the pillow is used for a patient without autonomous mobility, the patient needs to be adjusted to a prone position and transferred to the upper part of the pillow, a plurality of medical staff are needed to be matched with the patient to turn over in the process, meanwhile, the patient is easy to cause the deviation of the pillow in the process of contacting the pillow, the pillow and the patient are positioned inaccurately, the position of the pillow needs to be further adjusted repeatedly, and then the medical workload is increased.

In view of the above, there is an urgent need for a prone position patient prone pillow that is convenient for use by patients without voluntary mobility, and is not prone to shift during the process of turning over to prone position.

Disclosure of Invention

In order to solve the problem that the existing prone position patient pillow is inconvenient to use by patients without autonomous mobility and is easy to deviate in the process of turning over to prone position, the invention provides a prone position patient prone pillow.

According to one object of the present invention, there is provided a prone position patient prone pillow comprising: :

the forehead pad is a ring-shaped forehead pad, and a top placement area is surrounded by the inner side of the forehead pad inner ring;

a chest pad provided with a left chest support area and a right chest support area; the method comprises the steps of carrying out a first treatment on the surface of the

The chest flexible support piece is arranged at two sides of the connecting line direction of the center of the left chest support area and the center of the right chest support area of the chest pad respectively;

a pelvic bolster having two ilium support areas disposed thereon;

the pelvic bone cushion is respectively provided with a pelvic bone flexible support at two sides of the central connecting line direction of the two ilium support areas;

the forehead pad, the chest pad and the pelvic pad are sequentially arranged along the length direction of the patient body.

Preferably, the forehead pad is an inflatable forehead pad, the chest pad is an inflatable chest pad, and the pelvic pad is an inflatable pelvic pad.

Preferably, the cheek pad is an inflatable cheek pad, the cheek pad is arranged on one side of the forehead pad in the axial direction, the number of the cheek pads is two, and one cheek pad is respectively arranged on two sides of the cheek pad in the radial direction;

the mandible pad is arranged between the two cheek pads, and the mandible pad, the cheek pad and the forehead pad enclose a hollow face placement area.

Preferably, the cheek pad is recessed on one side of the face placement region to form an ear placement region.

Preferably, a forehead buffer layer is arranged on one side of the forehead pad patient contact surface, a mandibular buffer layer is arranged on one side of the mandibular pad patient contact surface, and a chest buffer layer is respectively arranged on the patient contact surface of the chest pad and the bed sheet contact surface of the chest pad.

Preferably, the chest support device further comprises arm pads, wherein the arm pads are positioned between the forehead pad and the chest pad, the number of the arm pads is two, and one arm pad is respectively arranged at two sides of the connecting line direction of the center of the left chest support area and the center of the right chest support area of the chest pad.

Preferably, the arm pad patient contacting surface is provided with an arcuate recess, wherein the arcuate recess communicates with a side of the arm pad adjacent the forehead pad and the arcuate recess communicates with a side of the arm pad adjacent the chest pad.

Preferably, the knee joint pad is an inflatable knee joint pad, the knee joint pad is located at one side, away from the chest pad, of the pelvic bone pad, the number of the knee joint pads is two, and the two sides of the pelvic bone pad in the central connecting line direction of the two ilium supporting areas are respectively provided with one knee joint pad.

Preferably, the chest support further comprises two storage pieces, wherein one storage piece is arranged on each chest flexible support piece, and the storage pieces are matched with the knee joint pads.

Preferably, the knee joint pad comprises an inflatable tube, wherein the inflatable tube is communicated with the pelvic bone pad in sequence, and the knee joint pad is a ring-shaped knee joint pad.

Compared with the prior art, the invention has the beneficial effects that:

this prone position patient lies prone pillow is through increasing flexible support of pelvic bone and the flexible support of chest to inject the shape of forehead pad, when using this pillow of lying prone position patient to stand up the operation, can roll up the sick bed sheet below patient's health with flexible support of chest and flexible support of pelvic bone respectively, and place the region in the top of the head with the head of patient, further with the patient pulling of being wrapped up to one of them one side in the sick bed width direction, realize the adjustment to patient prone position gesture, wherein the flexible support of pelvic bone cooperates the sheet to fix a position between patient and the pelvic bone pad, wherein the flexible support of chest cooperates the sheet to fix a position between patient and the chest pad, forehead pad can rotate along with patient stands up, make this pillow of lying prone to stand up to prone position in-process be difficult for taking place the skew, and then need not to relapse the position adjustment.

The invention is further illustrated by the following examples in conjunction with the accompanying drawings.

Drawings

FIG. 1 is a schematic diagram of a forehead pad for a prone patient according to one embodiment of the present invention;

FIG. 2 is a schematic view illustrating a connection between a forehead cushion and a forehead pad of one embodiment of a prone patient pillow according to the present invention;

FIG. 3 is a schematic view of a cheek pad of one embodiment of a prone patient pillow according to the present invention

FIG. 4 is a schematic view of an ear placement area of a prone patient pillow according to one embodiment of the present invention

FIG. 5 is a schematic view of a chest pad in a prone position according to an embodiment of the present invention

FIG. 6 is a schematic view of another view of a chest pad of an embodiment of a prone patient pillow according to the present invention

FIG. 7 is a schematic diagram showing the connection between the chest cushion and the chest cushion in an uninflated state of an embodiment of a prone patient pillow according to the present invention

FIG. 8 is a schematic diagram showing the connection between the chest cushion and the chest cushion in an inflated state of a prone position patient pillow according to one embodiment of the present invention

Fig. 9 is a schematic view of a pelvic bolster according to an embodiment of the prone position patient prone pillow of the present invention

Fig. 10 is a schematic view of another view of a pelvic bolster of an embodiment of a prone patient pillow according to the present invention.

In the figure: 100. a forehead pad; 101. a forehead buffer layer; 200. chest pad; 201. a chest cushioning layer; 300. a chest flexible support; 400. a pelvic bone cushion; 500. a pelvic bone flexible support; 501. a storage member; 600. an inflation inlet; 700. cheek pads; 800. a mandibular pad; 801. a mandibular cushioning layer; 900. an ear placement area; 1000. an arm pad; 1001. arc-shaped concave; 1100. a knee joint pad; 1200. and (5) an inflation tube.

Detailed Description

The following description is presented to enable one of ordinary skill in the art to practice the invention. The preferred embodiments in the following description are by way of example only and other obvious variations will occur to those skilled in the art. The basic principles of the invention defined in the following description may be applied to other embodiments, variations, modifications, equivalents, and other technical solutions without departing from the spirit and scope of the invention.

Example 1

Referring to fig. 1-10, the present invention provides a technical solution: a prone position patient prone pillow comprising:

the forehead pad 100, the forehead pad 100 is an inflatable forehead pad in a ring shape, and a top placement area is surrounded by the inner side of the inner ring of the forehead pad 100;

chest pad 200, chest pad 200 being an inflatable chest pad, chest pad 200 having a left chest support region and a right chest support region disposed thereon;

the chest flexible support 300 is respectively arranged at two sides of the connecting line direction of the center of the left chest supporting area and the center of the right chest supporting area of the chest pad 200;

the pelvic bolster 400, the pelvic bolster 400 being an inflatable pelvic bolster 400, the pelvic bolster 400 being provided with two ilium support areas;

the pelvic bone cushion 400 is provided with a pelvic bone flexible support 500 on each side of the central line direction of the two ilium support regions.

By adding the pelvic bone flexible support 500 and the chest flexible support 300 and limiting the shape of the forehead pad 100, when the prone position patient is turned over by using the prone pillow, the chest flexible support 300 and the pelvic bone flexible support 500 can be respectively rolled into a sickbed sheet below the patient body, the head top of the patient is placed in the head top placement area, the wrapped patient is further pulled to one side in the width direction of the sickbed, the adjustment of the prone position posture of the patient is realized, the forehead pad 100 supports the forehead of the patient, the pelvic bone pad 400 supports ilium on two sides of the patient, the chest pad 200 supports the lower parts of left and right thoracic cavities of the patient, and the inflatable forehead pad 100, the chest pad 200 and the pelvic bone pad 400 can be inflated and deflated according to the body types of different patients, for example, the prone position time is overlong, and the skin pressure can be relieved. .

It is to be noted that when the patient without autonomous mobility such as trachea cannula, tracheotomy or coma carries out prone position ventilation, because of the pressurized position is more, and single prone position time is longer, need take more time to adjust repeatedly to ensure the correct and the comfort of position, this pillow of lying prone uses and adjusts conveniently, can cooperate the high height of patient comfort level according to patient's size, and then solves above problem.

In order to enable the chest flexible support 300 to be stably connected with the chest pad 200, the chest flexible support 300 is further ensured to be matched with a bed sheet to assist the patient to turn over to a lateral position, and further, the chest flexible support 300 on two sides in the connecting line direction of the center of the left chest support area and the center of the right chest support area of the chest pad 200 are integrally connected.

In order to enable stable connection between the pelvic bone flexible support 500 and the pelvic bone pad 400, the pelvic bone flexible support 500 is further ensured to be matched with a bed sheet to assist a patient to turn over to a lateral position, and further, the pelvic bone flexible supports 500 on two sides of the central connecting line direction of the two ilium supporting areas are integrally connected.

In one embodiment of the present invention, the chest pad 200 is a rectangular chest pad 200 and the forehead pad 100 is a closed annular forehead pad 100.

Specifically, an air bag is provided inside the forehead cushion 100, an air charging port 600 is provided on the forehead cushion 100, the air bag is charged and discharged through the air charging port 600, and the air charging port 600 is exposed outside the forehead cushion 100.

Specifically, the chest pad 200 is internally provided with an air bag, the chest pad 200 is provided with an air charging port 600, the air bag is charged and discharged through the air charging port 600, and the air charging port 600 is exposed to the outside of the chest pad 200.

Further, the chest pad 200 is provided with a patient contact surface and an opposite sheet contact surface, the pelvic bone pad 400 is provided with a patient contact surface and an opposite sheet contact surface, and the patient contact surface and the sheet contact surface are respectively provided with a chest buffer layer 201.

To avoid the inflation port 600 from affecting patient use, further, the inflation port 600 is configured to avoid the patient contact surface and the sheet contact surface.

The chest flexible support 300 is attached to the sheet contact surface side of the chest pad 200 and the pelvic flexible support 500 is attached to the sheet contact surface side of the pelvic pad 400.

In one embodiment of the present invention, the chest buffer layer 201 is a chest buffer layer 201 made of silica gel.

Further, the patient contact surface side of the forehead pad 100 is provided with a forehead buffer layer 101.

In one embodiment of the present invention, the forehead buffer layer 101 is a silicone forehead buffer layer 101

The inflatable chest cushion 200 and the forehead cushion 100 are matched with the forehead cushion 101 and the chest cushion 201, so that the problems of a common pillow, too soft couch and poor supporting force are solved, and the risk that skin damage is easily caused due to too hard of a pillow specially used in a prone position is avoided. Meanwhile, the forehead buffer layer 101 and the chest buffer layer 201 play the anti-skid positioning purpose, and the positioning is accurate when being placed, so that repeated adjustment can be reduced.

The chest flexible support 300 is a cloth chest flexible support and the pelvic flexible support 500 is a cloth pelvic flexible support.

The invention further provides the following embodiments in order to prevent the mattress from squeezing the face of the patient to affect ventilation of the patient and improve comfort of the prone position of the patient because the face of the patient faces the mattress in the prone position process.

Example 2

The pillow further includes cheek pads 700, the cheek pads 700 are inflatable cheek pads 700, the cheek pads 700 are arranged on one side of the annular forehead pad 100 in the axial direction, the number of the cheek pads 700 is two, and one cheek pad 700 is respectively arranged on two sides of the forehead pad 100 in the radial direction.

The cheeks on two sides of the patient are supported through the cheek pads 700, and the oral cavity and the nasal cavity of the patient are positioned between the two cheek pads 700, so that the smooth breathing of the patient is ensured, and the comfort of the patient is improved.

Further, the groveling pillow further comprises a mandibular pad 800, the mandibular pad 800 is disposed between two cheek pads 700, and the mandibular pad 800, cheek pads 700 and forehead pad 100 enclose a hollow face placement area.

In one embodiment of the present invention, cheek pad 700, mandible pad 800, and forehead pad 100 are in communication.

Further, a mandibular cushioning layer 801 is provided on the patient contacting side of mandibular pad 800.

In one embodiment of the present invention, the mandibular cushioning layer 801 is a latex based mandibular cushioning layer 801.

Cheek pad 700 is recessed on one side of the facial placement region to form ear placement region 900.

Because the hands are required to be lifted in the prone position process of the patient, the arms of the hands and the mattress are extruded, and the oral intubation patient who ventilates in the prone position is comprehensively protected in order to avoid long-time extrusion between the arms and the mattress, and the comfort of the patient is affected.

Example 3

The groveling pillow further comprises an arm pad 1000, wherein the forehead pad 100, the chest pad 200 and the pelvic bone pad 400 are sequentially arranged along the length direction of the patient body, the arm pad 1000 is positioned between the forehead pad 100 and the chest pad 200, the number of the arm pads 1000 is two, and two arm pads 1000 are respectively arranged at two sides of the connecting line direction of the center of the left chest supporting area and the center of the right chest supporting area of the chest pad 200.

Further, the arm pad 1000 is extended over the chest pad 200, wherein the arm pad 1000 near the left chest support area is inclined away from the right chest support area, wherein the arm pad 1000 near the right chest support area is inclined away from the left chest support area.

By defining the direction of inclination of the arm pad 1000, when the patient is in the prone position, the patient's hands are lifted and placed, and the inclined arm pad 1000 can correspondingly support the patient's arms.

Further, an arc-shaped recess 1001 is provided along the extending direction of the patient contacting surface of the arm pad 1000, wherein the arc-shaped recess 1001 communicates with a side of the arm pad 1000 near the forehead pad 100, and the arc-shaped recess 1001 communicates with a side of the arm pad 1000 near the chest pad 200.

Through increasing arc indent 1001 on arm pad 1000 to inject arc indent 1001, make patient's arm can stay in arc indent 1001, realize the support spacing to patient's arm.

In order to alleviate the compression of the arm pad 1000 to the arm of the patient, the arm pad 1000 is further made of latex.

In order to enable the prone pillow to support the knee joint part of a prone patient, the prone patient is comprehensively protected by the oral intubation patient who ventilates, long-time extrusion between the knee joint and the mattress is avoided, and comfort of the patient is affected.

Example 4

The pillow further comprises a knee pad 1100, wherein the knee pad 1100 is positioned on one side of the pelvic pad 400 away from the chest pad 200, the number of the knee pads 1100 is two, and the two sides of the pelvic pad 400 in the direction of the central connecting line of the two ilium supporting areas are respectively provided with the knee pad 1100.

The knee pad 1100 has smaller volume than the pelvic pad 400 and the chest pad 200, and for facilitating the transfer of the knee pad 1100, the prone pillow further comprises two storage pieces 501, wherein the two storage pieces 501 are respectively arranged on the chest flexible support pieces 300 on two sides of the central connecting line direction of the two ilium support areas, and the storage pieces 501 are matched with the knee pad 1100.

Specifically, a storage cavity is disposed in the storage member 501, the size of the storage cavity is not smaller than the size of a knee joint pad 1100, a taking opening is formed in the storage member 501, the taking opening is communicated with the storage cavity, and the taking opening is disposed towards the center of the pelvic bone pad 400.

In one embodiment of the present invention, the storage member 501 is a right triangle storage member, the chest flexible support member 300 is a rectangular chest flexible support member, the storage member 501 is located at two corners of the chest flexible support member 300 facing away from the chest pad 200, and two right-angle sides of the storage member 501 coincide with side sides of the chest flexible support member 300, and the taking opening is located along a hypotenuse of the storage member 501.

To facilitate adjusting the volume of the knee bolster 1100 according to the patient's body size, further, the knee bolster 1100 is an inflatable knee bolster.

In order to facilitate the simultaneous inflation and deflation of the knee pad 1100 and the pelvic pad 400, the operation flow of the user is reduced, and further, the groveling pillow further comprises an inflation tube 1200, and the knee pad 1100, the inflation tube 1200 and the pelvic pad 400 are sequentially communicated.

In order to facilitate rapid inflation of the knee bolster 1100 and to ensure that the knee bolster 1100 is capable of stably supporting the knee joint portion of the patient, further, the knee bolster 1100 is a ring-shaped knee bolster 1100.

In order to avoid the acute corners of the arm pad 1000 from rubbing the patient, the arm pad 1000 is further provided with an arc-shaped arm pad 1000.

The using method comprises the following steps:

in the prone position ventilation preparation period, the patient lies on a sickbed, a bed sheet is laid under the patient, the other bed sheet is laid on the surface of the patient, the forehead pad 100 is sleeved on the forehead of the patient, the ears of the patient are placed in the ear placement areas 900 on the two sides of the ears, the mandible pad 800 is placed at the mandible, and the forehead pad 100 is further inflated through the inflation inlet 600;

the chest pad 200 is placed with its sheet contact surface facing up in front of the patient's chest, the pelvic pad 400 is placed with its sheet contact surface facing up in the patient's ilium, and the knee pad 1100 is in a stowed position;

the chest flexible support 300 and the pelvic bone flexible support 500 are rolled into two layers of sheets above and below a patient together, kept tidy, wrapped patients are lightly pulled to one side in the width direction of a sickbed, rotated to a prone position, the faces of the patients are adjusted, the two hands are lifted and placed, the upper arm is placed at the arc-shaped concave 1001 of the arm pad 1000, the knee pad 1100 is taken out from the storage piece 501, the two knees of the patients are placed, the chest pad 200, the pelvic bone pad 400 and the knee pad 1100 are inflated according to the actual height of the patient, and inflated to a proper height, such as overlong prone position, and the skin pressure can be relieved by timely inflation and deflation.

In conclusion, the groveling pillow fully considers the compression prevention of each part, has comprehensive functions, can be adjusted according to different body types of patients, and is convenient to operate.

The above-described embodiments are only for illustrating the technical spirit and features of the present invention, and it is intended to enable those skilled in the art to understand the content of the present invention and to implement it accordingly, and the scope of the present invention as defined by the present embodiments should not be limited only by the present embodiments, i.e. equivalent changes or modifications made in accordance with the spirit of the present invention will still fall within the scope of the present invention.

Claims (10)

1. A prone position patient prone pillow, comprising:

the forehead pad (100), the forehead pad (100) is a ring-shaped forehead pad, and a top placement area is surrounded by the inner side of the inner ring of the forehead pad (100);

a chest pad (200), the chest pad (200) having a left chest support region and a right chest support region disposed thereon;

the chest cushion comprises a chest flexible support (300), wherein the chest flexible support (300) is respectively arranged at two sides of the connecting line direction of the center of the left chest support area and the center of the right chest support area of the chest cushion (200);

a pelvic bolster (400), the pelvic bolster (400) having two ilium support areas disposed thereon; the method comprises the steps of carrying out a first treatment on the surface of the

The pelvic bone cushion (400) is respectively provided with a pelvic bone flexible support (500) at two sides of the central connecting line direction of the two ilium support areas;

the forehead pad (100), the chest pad (200), and the pelvic pad (400) are sequentially arranged along the length direction of the patient's body.

2. A prone position patient prone pillow according to claim 1, characterized in that:

the forehead pad (100) is an inflatable forehead pad, the chest pad (200) is an inflatable chest pad, and the pelvic pad (400) is an inflatable pelvic pad.

3. The prone position patient prone pillow of claim 1 further comprising:

the cheek pad (700), the cheek pad (700) is an inflatable cheek pad (700), the cheek pad (700) is arranged on one side of the forehead pad (100) in the axial direction, the number of the cheek pads (700) is two, and one cheek pad (700) is respectively arranged on two sides of the forehead pad (100) in the radial direction;

a mandibular pad (800), the mandibular pad (800) is disposed between two cheek pads (700), the mandibular pad (800), cheek pads (700) and forehead pad (100) enclose a hollow face placement area.

4. A prone position patient prone pillow according to claim 3 wherein:

the cheek pad (700) is recessed on one side of the face placement region to form an ear placement region (900).

5. A prone position patient prone pillow according to claim 3 wherein:

the forehead cushion is characterized in that a forehead buffer layer (101) is arranged on one side of a patient contact surface of the forehead cushion (100), a mandibular buffer layer (801) is arranged on one side of the patient contact surface of the mandibular cushion (800), and a chest buffer layer (201) is respectively arranged on the patient contact surface of the chest cushion (200) and a bed sheet contact surface of the chest cushion (200).

6. The prone position patient prone pillow of claim 1 further comprising:

the chest support comprises an arm pad (1000), wherein the arm pad (1000) is positioned between the forehead pad (100) and the chest pad (200), the number of the arm pads (1000) is two, and one arm pad (1000) is respectively arranged at two sides of the connecting line direction of the center of the left chest support area and the center of the right chest support area of the chest pad (200).

7. The prone position patient prone pillow of claim 6 wherein the arm pad (1000) patient contacting surface is provided with an arcuate recess (1001), wherein the arcuate recess (1001) communicates with a side of the arm pad (1000) adjacent the forehead pad (100), and wherein the arcuate recess (1001) communicates with a side of the arm pad (1000) adjacent the chest pad (200).

8. The prone position patient prone pillow of claim 1 further comprising:

the knee joint pad (1100), knee joint pad (1100) is inflatable knee joint pad, knee joint pad (1100) be located with pelvic bone pad (400) face away from chest pad (200) one side, the quantity of knee joint pad (1100) is two, pelvic bone pad (400) are provided with one respectively in two ilium support region center line direction's both sides knee joint pad (1100).

9. The prone position patient prone pillow of claim 8 further comprising:

the chest flexible support (300) comprises two storage pieces (501), wherein one storage piece (501) is arranged on each chest flexible support (300), and the storage pieces (501) are matched with the knee joint pad (1100).

10. The prone position patient prone pillow of claim 8 further comprising:

the knee joint pad (1100) is communicated with the pelvic bone pad (400) in sequence, and the knee joint pad (1100) is a ring-shaped knee joint pad.

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