JP6863841B2 - Patient support device - Google Patents

Description

The present application relates to a patient support device that holds a patient on an operating table when the patient is in the Trendelenburg position.

Background information is given only for the purpose of providing information, and does not necessarily acknowledge that the information and publications described below are prior art.

The Trendelenburg position is used in lower body surgery such as the cervix. This position lowers the patient's head and raises the legs higher than the head. In most cases, the degree of lowering is about 10 to about 20 degrees, and the head is maintained so that the patient's back extends below the lower body in this angular range. In some cases, this angle can be as large as about 45 degrees. This angle can be between about 5 degrees and about 45 degrees in 1 degree increments or fractional degrees increments.

U.S. Pat. No. 8,066,524

Various methods have been used to hold the patient on the operating table in order to minimize damage to the patient on the operating table. These methods damage the patient by applying unnecessary pressure to the neck, shoulders, or arms, and this unnecessary pressure can exacerbate the damage to the nerves and / or ulcers of the patient's body. is there.

To relieve point pressures and small area pressures on the patient, as well as to relieve these types of pressures on the patient's nerves, the present application describes patient support devices to relieve such pressures.

The patient support device according to the invention includes a viscoelastic shape memory foam and assists the patient in holding the patient on the surgical table during a surgical procedure that rests on a 45 degree tilted surgical table. It is provided with a surgical patient support pad that is thick and soft enough to allow it to deform to a depth sufficient for the patient and is configured to assist in holding the patient on the surgical procedure table. a patient support apparatus, is intended to hold the surgical patient support pad on the surgical table, extending transversely with the possible-configured central portion attached to the underside of the surgical patient support pad out, and further comprising a fixing strap having a plurality of fasteners comprising hook and loop fastener on the end, the viscoelastic shape memory foam of the surgical patient support pad by fastening straps extending in the transverse direction Sufficient friction between the surgical patient support pad and the surgical table to hold the patient on the surgical table tilted 45 degrees or more without the need for a body strap in cooperation with the holding force provided. The shape is such that it fits and supports the patient's body, and the shape minimizes pressure points on the body to hold the patient's body on the surgical procedure table. As a retention quality or ability between the patient and the patient, the friction due to the friction coefficient between the patient and the viscoelastic shape memory foam and the traces formed by the patient are the viscoelastic shape memory foam. A friction-like force due to deformation of the viscoelastic shape memory foam that is held in the body, and friction due to equivalent total friction characteristics of 1 or more in friction coefficient between the surgical patient support pad and the patient. It can be provided in the meantime.

The present application will be described in more detail below with reference to the accompanying drawings.

A top view of the Trendelenburg pad of the present application with fasteners is shown. The bottom view of the Trendelenburg pad shown in FIG. 1 is shown. A top view of a fastener configured to hold the Trendelenburg pad on the operating table is shown. A side view of a fastener configured to hold the Trendelenburg pad on the operating table is shown. It is a figure which shows the Trendelenburg's pad of this disclosure which was fixed to the operating table, and the patient was positioned, and how to use it. It is a figure which shows the Trendelenburg pad of this disclosure which has a trace of a patient. It is a figure which shows the Trendelenburg pad of this disclosure which was fixed to the operating table in the Trendelenburg position and the patient was positioned. It is a figure which shows the shape of the person placed on the Trendelenburg pad of this application.

During some medical procedure, such as surgery, the patient may be placed on a support or operating table that is oriented horizontally, that is, perpendicular to the vertical direction. However, depending on the medical procedure, it may be more convenient to point the support or operating table, and thus the patient, at an angle with respect to the horizontal direction. The Trendelenburg position can be used in medical procedures relating to the lower body, such as abdominal or gynecological surgery. In this position, the patient first lies horizontally on the pedestal. The operating table or portion thereof is then tilted so that the patient's head and upper torso are vertically below the patient's pelvic region and / or legs, for example, as shown in FIG. .. Generally, the tilt of the support is more than 45 degrees in the trendelenburg position where the patient's head and upper torso are about 5 degrees , 10 degrees, or 15 degrees to about 20 degrees, 30 degrees from the horizontal, or steep slopes. Try to lower it in one of the ranges from 1 degree to a fraction of a degree. In addition to the positive Trendelenburg position, there is a negative or reverse Trendelenburg position, in which the head and upper torso are vertically higher than the patient's pelvic area and / or legs. As used herein, it is understood that the term Trendelenburg position refers to both positions.

In this application, a viscoelastic shape memory foam (hereinafter, simply referred to as " viscoelastic foam ") such as that shown in FIG. 1 is used, and a desired Trendelenburg position or the like is performed on an inclined support base. Discloses that it assists in holding the patient in a position and helps minimize the patient's sliding, slippage, or similar unwanted movements on the pedestal. Such movements can interfere with the medical procedure being performed on the patient. Viscoelastic foam also reduces and / or minimizes damage to nerves and / or tissues due to pressure concentration by facilitating pressure distribution throughout the patient's body while cushioning and supporting the patient. suppress. For example, viscoelastic foam minimizes brachial plexus disorders, including pain, decreased movement, or decreased sensation in the arm and shoulder by minimizing pressure on the patient's neck, arms, and / or shoulders. Or can be eliminated, thereby minimizing or mitigating neural events. In at least one possible embodiment, the viscoelastic foam has characteristics selected to promote the desired effects described above. This will be discussed in the following paragraphs. All of the features discussed in the following paragraphs are in accordance with at least one possible embodiment, and any one or more of these features, any one or more of these features, according to at least one possible embodiment. Any range disclosed in the following paragraphs is understood to include any value that includes one-tenth and one-hundredth of a particular range.

The recovery rate of the viscoelastic foam, i.e., the time required for the viscoelastic foam to return to its original shape, is for adults on a layer about 1 inch (25.4 mm) thick of the viscoelastic foam. It is in the range of about 2-10 seconds to recover about 80 % after the deformation caused by mounting the fuselage. Recovery rates range from about 6 to 15 seconds to recover about 90 percent after the same deformations as described above. The recovery rate is in the range of about 10-35 seconds to recover 100 percent after the same deformation as described above. The ball rebound of the viscoelastic foam is in the range of less than about 1 percent or substantially less than about 1 percent to about 1 percent or a few percent, or from 0.1 percent to 1.9 percent. Or in the range of up to 3 percent or 5 percent and up to a few percent or almost within this range. The compression set of the viscoelastic foam (residual compression of the foam after 22 hours at 70 ° C.) is less than 1 percent, or, for example 0.4 percent or 0.3, at 25 percent compression of the foam. It ranges from a few tenths of a percentage, etc. to a few percent. The compression set of the viscoelastic foam is in the range of less than 1 percent, or a few tenths to a few percent, such as 0.5 percent or less, at 50 percent compression of the foam. Indentation force deflection of viscoelastic foam ranges from a few pounds- force (0.45 kg per pound) to tens of pounds-force, eg, about 10 to about 15 pounds, at 25 percent deflection. Within, or in the range of about 7 to about 18 pounds, or, for example, 11.7, 11.8, 11.9, 12.0.12.1, 12.2, 12.3, and 12.4 pounds, etc. It is in the range of about 12 pounds. The coefficient of static friction between the viscoelastic foam and the surface of the support is greater than 0.2, or in the range of about 0.2 or 0.5 to about 0.7 or 1.0. The design of the viscoelastic foam allows the patient's displacement on the viscoelastic foam to be less than 1 inch, or up to about 1 inch, or within the range of about 1 inch to about 3 inches. The air flow in or through the viscoelastic foam is in the range of a few tenths cubic feet / minute to a few cubic feet / minute, for example about 0 . From 3 cubic feet / minute to about 1. 0 cubic feet / minute (at from about 0.16 liters / sec to about 0.47 liters / sec) up to, or about 0.53 cubic feet / minute or 0.53 cubic feet / minute plus or minus 0.3 cubic Within the range of feet / minute. The thickness of the viscoelastic foam is in the range of 3/4 inch to 1 inch, or about 1 inch, or 1.5 inch, or 3 inch or 3 inch or more. Depending on the patient's weight and / or height, one or more parts of the patient's body lying on the viscoelastic foam pad are selected to prevent and / or prevent depression until they reach the operating table. The tensile strength (25 percent deflection) of the viscoelastic foam is at least in the range of about 5 pounds per square inch (PSI) or about 8 PSI to about 12 PSI or about 15 PSI, or in the range of about 10 PSI or 10 PSI. The tensile strength of the viscoelastic foam (20 inch / min test) is in the range of about 1 to about 2 or 3 pounds / inch, or in the range of about 1.5 pounds / inch. Viscoelastic foam elongation (20 inch / min test) is in the range between 125 and 250 percent, or in the range of about 172 or 172 percent plus or minus 25 percent. The nominal density of viscoelastic foam is in the range of about 100 kilograms / cubic meter, or from about 75 or 83 kilograms / cubic meter to about 103 or 110 kilograms / cubic meter, for example 93.1 kilograms / cubic meter. .. The flammability of viscoelastic foam must pass various tests by CAL, FMVSS, and FAR, and the viscoelastic foam has passed the EU (European Union) RoHS (Restriction of Hazardous Substances) standard. There must be.

According to at least one possible embodiment, the viscoelastic foam can be of various lengths, from either the patient's feet, lower limbs, thighs, or buttocks, to the patient's shoulders, head, or crown. It can be extended to either. According to at least one possible embodiment, the viscoelastic foam or most of it is pink, the strap for fixing the patient to the pad is purple, and the strap for fixing the pad to the base or surface. Is white.

As shown in FIG. 1, the Trendelenburg pad 102 as a surgical patient support pad can include a fastener 104 extending outward from the longitudinal side surface of the Trendelenburg pad 102. Each end of the fastener 104 can be provided with hooks and loops such as Velcro® fasteners, which allow the Trendelenburg pad 102 to be placed on the operating table rail or depending on the support structure in which the patient is located. It is configured and arranged to attach to other adjacent structures. The support structure may or may not be a surgical bed. For example, each end of the fastener 104 may include a loop portion 108 and a hook portion 106 extending outside the loop portion 108. Further, one or more portions of the fastener 104 extending outward of the Trendelenburg pad 102 can be provided with a label 110, which indicates the orientation of the Trendelenburg pad 102 with respect to the operating table. For example, the label 110 can be marked as "this side up".

In at least one possible embodiment of the application, the Trendelenburg pad 102 can be a disposable pad and / or a single-use pad.

FIG. 2 shows a bottom view of the Trendelenburg pad 102 with the fasteners 104 extending laterally. The central 112 of the fastener 104 can be configured to fasten to the Trendelenburg pad 102. For example, the central portion 112 may include a hook configured and arranged to fasten to a loop on the Trendelenburg pad 102. The Trendelenburg pad 102 can be configured to be fastened with two or more fasteners 104. Fastener 104 may be Velcro®.

3A and 3B show a top view and a side view of the fastener 104, respectively. The central 112 of the fastener 104 may include side loops configured to stay on the hooks of the Trendelenburg pad 102, as shown in FIG. The hook portion 108 and the loop portion 106 can be fixed to the central portion 112 by the welded portion 115, and the end portion of the fastener 104 includes the hook portion 108 and the loop portion 106. Either part 108 or 106 may include a hook and the other of 108 or 106 may include a loop. The label 110 can be fixed to the upper side of the hook portion 108. The end of the hook portion 108 can be folded and welded at the welding point 111 to form the tab 109. The hook 113 can extend from the lower surface of the hook portion 108. The loop 107 can extend from the lower surface of the loop portion 106.

FIG. 4 shows how to use the Trendelenburg pad 102. For example, Trendelenburg's pad 102 can be used by:

1. 1. The surgical table 120 is arranged and the surgical table rail 124 is placed in the lithotomy position.

2. The longitudinal end of the Trendelenburg pad 102 is placed at the longitudinal end of the surgical table 120.

3. 3. The Trendelenburg pad 102 is placed laterally centered on the surgical table 120.

4. The strap 104 is positioned so as to extend from the longitudinal edge of the Trendelenburg pad 102 away from where the patient 128 lies.

5. The strap 104 is attached to the surgical table rail 124.

6. The lift seat 126 is placed on the Trendelenburg pad 102.

7. The patient 128 is laid on the Trendelenburg pad 102 and the patient 128 is positioned so that the patient's shoulders do not come out of the edge of the Trendelenburg pad 102.

8. Lift the lift seat 126 to lift patient 128 from the Trendelenburg pad 102 and reposition patient 128 as needed.

9. Position the patient's arm as needed.

10. A body strap 130 is attached around the patient and surgical table.

11. The patient's leg is fixed to the stirrup 122.

12. Place the operating table in the Trendelenburg position.

In at least one possible embodiment of the present application, for example, the patient's skin is in contact with the Trendelenburg pad 102 when the patient is placed on the Trendelenburg pad 102. The sacral region and the sacral region of the body can be brought into contact with the Trendelenburg pad 102 and held by the Trendelenburg pad 102. The lift seat 126 allows the patient to be lifted and repositioned without dragging on the Trendelenburg pad 102.

The body strap 130 is also shown in FIG. The body strap 130 can include a hook strap 132 such as Velcro® and a loop strap 134. Each hook strap 132 and each loop strap 134 may be provided with a clasp at one end. The hook strap 132 can be secured to the operating table rail 124 by looping through a clasp. The loop strap 134 is secured to the other operating table rail 124 by looping through a clasp, or by extending the hook strap 132 around or around other parts of the operating table. be able to. The hook strap 132 and the loop strap 134 can be fastened around the patient 128 to hold the patient 128 on the Trendelenburg pad 102. It will be appreciated that the body strap 130 is optional, as the Trendelenburg pad 102 can provide adequate support for the patient 128 on the operating table 120.

FIG. 5 shows Trendelenburg's pad 102 with patient traces or residual compression 103. The Trendelenburg pad 102 comprises a viscoelastic foam that is shaped to fit and support the patient's body. This shape minimizes pressure points on the body and helps to hold the body on the operating table.

The retention quality or ability between the Trenderenburg pad and the patient is a combination of the coefficient of friction between the patient and the viscoelastic foam and the ability to retain the marks formed by the patient on the viscoelastic foam. This is because in the viscoelastic foam on which the Trendelenburg pad is formed, the foam is marked and retained for at least some time after the patient has moved from one position to another or from the operating table. (See FIG. 5). Equivalent total frictional properties, including forces such as friction due to the coefficient of friction and friction due to deformation of the viscoelastic foam, may be equal to or greater than 1. That is, the force perpendicular to the patient's body onto the viscoelastic pad is equal to the gravitational component applied to the patient parallel to the surface of the operating table at 45 degrees, which means that the equivalent total frictional properties are greater than or equal to the force perpendicular. It means that there is. At an angle of 45 degrees, the equivalent total friction property is 1, with a sine of 45 degrees / a cosine of 45 degrees. More generally, the equivalent total friction property is greater than the horizontal tilt angle sine / horizontal tilt angle cosine. Angles can vary by one degree or smaller, so the range of values for equivalent total frictional properties is at least in the range from angles greater than zero to 45 degrees, and in 45 degrees and above. It can vary between these angles so that it is greater than or equal to each sine / cosine value of the tilt angle. The retention capacity is the retention capacity of the pad, body strap, and the friction of the pad against the patient and the table between the pad and the seat, between the pad and the patient, and between the seat and the patient for all stated angles. It is a combination of coefficients.

FIG. 6 shows the Trendelenburg pad 102 of the present application secured to the operating table 120 by the fastener 104. Patient 128 is located on the Trendelenburg pad 102 and the operating table 120 is in the Trendelenburg position. FIG. 6 also shows an aspect of the Trendelenburg pad 102 that does not require a body strap 130 to hold the patient 128 on the surgical table 120 in the Trendelenburg position.

FIG. 7 is a computer diagram of a person placed on a Trendelenburg pad in one possible embodiment of the present application. The shape of the person is shown transparent or see-through so that the traces of the shape of the person formed on the Trendelenburg pad can be seen. Traces on the Trendelenburg pad provide the main retention for holding a person on the operating table, depending on the angle of the patient on the operating table.

When the table is tilted at an angle of 45 degrees, the normal force perpendicular to the surface of the operating table is 0.707 W, assuming W is the patient's weight. The force along the platform is 0.707W. The equivalent coefficient of friction, including the actual coefficient of friction and the holding capacity of the Trendelenburg pad and fastener 130 of the present application for holding the patient, is 1.00.

The positioning mechanism in this application is gynecological, colonic, urological, laparoscopic, to name a few procedures in which this pad is used in a trendelenburg or reverse trendelenburg or sideways tipped position. It can be used in treatment and robot treatment. The positioning mechanism and Trendelenburg pad and kit embodiments in this application are for all types of medical procedures in which it is desirable to lay the patient in a safe position and / or a position with reduced pressure points and / or a comfortable position. Can be used. This medical procedure includes surgical procedures and non-surgical procedures such as non-surgical examination and / or treatment.

The viscoelastic foam of the present application can be a polyurethane foam produced by mixing toluene diisocyanate with a polyhydroxy polyol or by other different methods known in the art. For example, toluene diisocyanate can be used in combination with polyester polyols and polyethers to produce viscoelastic foams.

In at least one other aspect of the disclosure, the Trendelenburg pad 102 is about 20 inches wide, about 30 inches long, and about 1 inch thick. In one possible embodiment of the application, the pad thickness can range from about 3/4 inch to about 1.5 inch. Within this range, the thickness can be thickened or thinned in 1/32 increments. In one possible embodiment of the application, the width of the pad can range from about 20 inches to about 28 inches. Within this range, the width can be widened or narrowed in increments of a quarter inch or less. In one possible embodiment of the application, the pad length can range from about 30 inches to about 40 inches. Within this range, the length can be increased or decreased in increments of a quarter inch or less. The fastener 104 can be a Velcro® strap and can be approximately 2 inches wide. Fastener 104 can be secured to Trendelenburg pad 102 by welding, gluing, hooking and looping, or by other means known in the art.

An example of a robotic surgical system, such as the da Vinci Surgical System, is produced by Intuitive Surgical, Inc. (94086 Sunnyvale, CA, Kaifa Road 101-1266).

US Pat. No. 8,066,524 entitled "SURGICAL SYSTEM WITH ELECTRO-MECHANICAL INTERFACES TO MOUNT ROBOTIC SURGICAL ARMS" issued on November 29, 2011 is an example of a patent relating to robotic procedures.

At the time of filing of this patent application, one property or aspect of the embodiment is considered to exist broadly in the body of a patient in the Trendelenburg position on the operating table by immobilizing the patient on the operating table. Minimize the damage caused by the pressure applied to the area, minimize unnecessary movement of the patient in the Trendelenburg position on the operating table, and operate by using the disposable Trendelenburg patient support system. It is a method to minimize the pollution in the room. The system features a lift seat configured to lift and position the patient on the medical procedure table, a body strap configured to hold the patient on the medical procedure table, and a rectangular shape and viscoelastic polyurethane. It comprises a disposable viscoelastic trendenburg pad and a fixed strap welded to the disposable viscoelastic trendenburg pad, the fixed strap providing the disposable viscoelastic trendenburg pad to a surgical table. It is configured to be fixed to the rail. The method is (A) a step of aligning the longitudinal edge of the disposable viscoelastic Trenderenburg pad adjacent to the longitudinal edge of the operating table with the operating table rail. And (B) aligning the longitudinal edge of the surgical table adjacent to the longitudinal edge of the disposable viscoelastic Trenderenburg pad, thereby laying the patient's body down. The step of positioning the disposable viscoelastic trendenburg pad at a position on the surgical table and (C) positioning the fixing strap and the disposable from the longitudinal edge of the disposable viscoelastic trendenburg pad. A step of extending away from the viscoelastic trendenburg pad, (D) a step of attaching the fixation strap to the surgical table, and (E) the lift on the disposable viscoelastic trendenburg pad. The step of placing the sheet and (F) the patient is laid in a lying position on the lift seat and the disposable viscoelastic trendenburg pad, and the patient's shoulder is the edge of the disposable viscoelastic trendrenburg pad. It comprises a step of positioning the patient so as not to exit, thereby deforming the disposable viscoelastic Trenderenburg pad. The disposable viscoelastic Trendelenburg pad minimizes depression of one or more parts of the patient's body during the patient's positioning and during the medical procedure until the patient's body reaches the medical procedure table and / Sufficient to provide sufficient buffer to the patient's body to prevent or to minimize pressure damage during surgical procedures performed while the patient is in the crushed and Trendelenburg positions. It has sufficient thickness and viscosity and sufficient compliance to fit most of the patient's body. The method further comprises (G) raising the lift seat, thereby lifting the patient from the disposable viscoelastic Trenderenburg pad and repositioning the patient as needed, and (H) necessary. A step of positioning the patient's arm accordingly, (I) a step of attaching the body strap around the patient and the surgical table, (J) a step of positioning the patient's leg in a crushed position, and (K). By adjusting the tilt angle of the operating table, the patient's head is placed below the patient's body, or the patient's head is placed above the patient's body, or the patient's head. The step of directing the patient to an angle in the Trenderenburg position, where the right side is located above or vice versa, or a combination of these positions, and (L) the disposable viscoelasticity. It comprises a step of using a trenderenburg pad to assist in substantially holding the patient's body in the crushed stone position and the trenderenburg position on the surgical table. The disposable viscoelastic Trendelenburg pad is thin enough to stabilize the patient on the surgical table when the patient is in the crushed and / or Trendelenburg position. Holding the patient on the operating table and / or undesirable of the patient's body on the operating table during a surgical procedure performed while in the crushed stone position and / or the Trendelenburg position. It is provided with sufficient thickness and sufficient compliance to allow the disposable viscoelastic Trendelenburg pad to form a recess of sufficient depth to assist in minimizing movement.

At the time of filing of this patent application, in a method in which another property or embodiment of the embodiment is considered to exist in a broad sense, the disposable viscoelastic Trendelenburg patient support system comprises a kit and step (D) is said to be disposable. The disposable viscoelastic Trendelenburg with a central portion attached to the underside of the viscoelastic Trendelenburg pad and a fastener end each comprising a hook and a loop fastener, comprising a fixed strap comprising the disposable viscoelastic Trendelenburg. The pad has a thickness in the range of 3/4 inch to 3 inch or more so that the disposable viscoelastic Trendelenburg pad minimizes the patient's repulsion during surgery. Small enough ball repulsion, small enough compressive permanent strain to minimize discomfort and damage to the patient on the operating table, and use of the patient while minimizing damage to the patient Sufficient airflow to provide some airflow around the patient to maintain the Trendelenburg position, sufficient indentation deflection to give the patient a fixed hold, and the disposable viscoelastic trendelen. Sufficient tensile strength to minimize tearing of the Burg pad and movement of the disposable viscoelastic Trendelenburg pad on the operating table when the patient is resting on the operating table. It is configured to provide a static friction coefficient sufficient to help minimize the above, the ball repulsion, the compressive permanent strain, the air flow, the pushing force deflection, the tensile strength, and the static friction coefficient. It comprises a viscoelastic polyurethane foam having a densified density.

At the time of filing of this patent application, in a method in which yet another property or embodiment of the embodiment is considered to exist in a broad sense, the disposable viscoelastic Trenderenburg pad has a thickness of about 1 inch and the ball repulsion. Is in the range of about 0.1% to about 1.9%, the compression set is less than 0.3% at 25% compression, and the airflow is 0.3 to 1.0 cubic. Within feet / minute, the indentation deflection is in the range of about 10 to about 15 pounds, and the viscoelasticity is in the range of about 8 pounds / square inch to about 12 pounds / square inch. The static friction coefficient is in the range of 0.2 to 1.0, and the density is in the range of about 83 kilograms / cubic meter to about 103 kilograms / cubic meter.

At the time of filing of this patent application, it is believed that yet another property or aspect of the embodiment exists in a broad sense is a disposable Trendelenburg patient support system for carrying out the aforementioned method. The disposable Trenderenburg patient support system includes a lift seat configured to be used to lift and position the patient on the operating table and a body strap configured to hold the patient on the operating table. A disposable viscoelastic Trendelenburg pad with a rectangular shape and viscoelastic polyurethane, and a fixing strap welded to the disposable viscoelastic Trendelenburg pad, wherein the fixing strap is the disposable viscoelastic. The trenderenburg pad is configured to secure to the rail of the operating table. The disposable viscoelastic Trenderenburg pad minimizes and / or prevents one or more parts of the patient's body from falling until it reaches the medical treatment table during patient positioning and during surgical procedures. Sufficient to fit most of the patient's body, with sufficient thickness and viscosity to provide sufficient buffer to the patient's body, as well as to minimize pressure damage during the surgical procedure. Compliance and thin enough to stabilize the patient on the surgical table when the patient is in the crushed and / or trenderenburg position, and while the patient is in the crushed and / or trenderenburg position. Sufficient to help hold the patient on the operating table and / or minimize unwanted movements of the patient's body on the operating table during the surgical procedure performed on. It is provided with sufficient thickness and sufficient compliance to allow the depression of various depths to be formed in the disposable viscoelastic Trenderenburg pad.

In a disposable trenderenburg patient support system in which yet another property or embodiment of the embodiment is considered to exist in a broad sense at the time of filing of this patent application, the disposable viscoelastic trenderenburg patient support system comprises a kit and said body. A central portion where the straps are provided with hooks and loop fasteners, each of which is attached to the underside of the disposable viscoelastic Trenderenburg pad, and a fastener end, each of which has a hook and loop fastener. The disposable viscoelastic trendenburg pad has a thickness of about 1 inch and the disposable viscoelastic trendenburg pad is in the range of about 0.1% to about 1.9%. Some ball repulsion, compression set less than 0.3% at 25% compression, airflow in the range of 0.3 to 1.0 cubic feet / minute, and in the range of about 10 to about 15 pounds. Pushing force deflection, viscoelasticity in the range of about 8 pounds / square inch to about 12 pounds / square inch, and static friction coefficient in the range of 0.2 to 1.0, about 83 kilograms. It comprises a viscoelastic polyurethane having a density that is in the range from / cubic meter to about 103 kilograms / cubic meter.

At the time of filing of this patent application, it is considered that yet another characteristic or aspect of the embodiment exists in a broad sense, such as a surgical table or a patient examination table using a patient support system provided with a viscoelastic pad and a fixing strap. Minimizes damage caused by pressure applied to parts of the patient's body when fixing the patient to the medical treatment table and when placing the medical treatment table in an inclined position, while minimizing unnecessary movements of the patient. This is a way to minimize it. The methods include (A) a step of positioning the viscoelastic pad at a position on the medical treatment table on which the patient's body is laid down, and (B) attaching the fixing strap connected to the viscoelastic pad to the medical treatment table. It comprises (C) a step of positioning the patient on the viscoelastic pad and thereby deforming the viscoelastic pad. The viscoelastic pad is used to minimize and / or prevent one or more parts of the patient's body from falling until they reach the medical treatment table during the patient's positioning and medical treatment. Sufficient thickness and viscosity to provide sufficient cushioning to the patient's body and sufficient to fit most of the patient's body to minimize pressure damage during medical procedures. With compliance. The method further (D) adjusts the tilt angle of the medical procedure table so that the patient's head is placed below the patient's body, or the patient's head is below the patient's body. With the step of directing the patient to an angle of tilted position that is placed above, or the patient's right side is placed above or vice versa, or a combination of any of these positions. , (E) The viscoelastic pad is provided with a step of assisting in substantially holding the patient's body on the medical procedure table. The viscoelastic pad is performed while the patient is in the tilted position and is thin enough to stabilize the patient on the medical procedure table when the patient is in the tilted position. A depression deep enough to help hold the patient on the medical procedure table and / or minimize unwanted movements of the patient's body on the medical procedure table during the procedure. It is provided with sufficient thickness and sufficient compliance to allow it to be formed on the viscoelastic pad.

At the time of filing of this patent application, in a method in which yet another property or embodiment of the embodiment is considered to exist in a broad sense, the patient support system further comprises at least one body strap and the patient support system comprises a kit. The method further comprises attaching the at least one body strap around the patient and the medical treatment table between steps (C) and (D), wherein the step (B) is the viscoelasticity. The step (D) comprises the use of a fixed strap comprising a central portion attached to the underside of the pad and a fastener end, each with a hook and a loop fastener, wherein step (D) is the tilt angle of the medical treatment table. The viscoelastic pad has a thickness in the range of 3/4 inch to 3 inch or more. The viscoelastic pad is sufficiently small to minimize ball repulsion during surgery and to minimize discomfort and damage to the patient on the medical treatment table. Fixed to the patient with small compression set and sufficient airflow to provide some airflow around the patient to minimize damage to the patient and keep the patient in an inclined position. Sufficient indentation deflection to provide retention, sufficient tensile strength to minimize tearing of the disposable viscoelastic Trenderenburg pad, and when the patient is resting on the medical treatment table. A static friction coefficient sufficient to help minimize the movement of the viscoelastic pad on the medical treatment table, the ball repulsion, the compression set, the air flow, the pushing force deflection, the said. It comprises a viscoelastic polyurethane foam having a tensile strength and a density configured to give the static friction coefficient.

At the time of filing of this patent application, it is believed that yet another property or aspect of the embodiment exists in a broad sense is a patient support system for carrying out the aforementioned method. The patient support system comprises a viscoelastic pad and a fixation strap connected to the viscoelastic pad, wherein the fixation strap is configured to secure the viscoelastic pad to a medical treatment table. However, to minimize and / or prevent depression of one or more parts of the patient's body until it reaches the medical treatment table during patient positioning and during medical treatment, and by pressure during medical treatment. Sufficient thickness and viscosity to provide sufficient cushioning to the patient's body to minimize injury, sufficient compliance to fit most of the patient's body, and the patient's tilted position. Holding the patient on the medical treatment table during the medical treatment performed while the patient is in an inclined position and thin enough to stabilize the patient on the medical treatment table when in and / or. Or thick enough and sufficient to allow the viscoelastic pad to form a depression of sufficient depth to help minimize unwanted movements of the patient's body on the medical treatment table. With compliance.

At the time of filing of this patent application, in a patient support system in which one characteristic or aspect of the embodiment is considered to exist in a broad sense, the patient support system is a patient on a medical treatment table while the patient is in a trenderenburg position. The patient support system is equipped with a kit, the at least one body strap is provided with a hook and a loop fastener, and each of the fixing straps is said to be viscoelastic. A central portion attached to the underside of the pad and a fastener end, each with a hook and loop fastener, with the viscoelastic pad in the range of 3/4 inch to 3 inch or more. Ball repulsion having a thickness and the viscoelastic pad is in the range of about 0.1% to about 5%, compression set less than 1% at 25% compression, and 0.1 to 3 Airflow in the range of 0.0 cubic feet / minute, indentation deflection in the range of about 7 to about 18 pounds, and in the range of about 5 pounds / square inch to about 15 pounds / square inch. It comprises a viscoelastic polyurethane foam having a tensile strength, a static friction coefficient of at least 0.2, and a density in the range of about 75 kilograms / cubic meter to about 110 kilograms / cubic meter.

At the time of filing of this patent application, another property or aspect of the embodiment is considered to be broadly defined as a patient configured to support and support the patient on an inclined medical treatment table. It is a patient support mechanism as a support device. The patient support mechanism is depressed to minimize pressure damage during the medical procedure and until one or more parts of the patient's body reach the medical treatment table during the patient's positioning and medical procedure. To minimize and / or prevent this, it is provided with a pad that is thick and viscous enough to cushion the patient's body, allowing the pad to fit most of the patient's body. The thickness and the compliance are thin enough to stabilize the patient on the medical treatment table when the patient is in an inclined position, and the thickness and the compliance are such that the patient To help keep the patient on the medical treatment table during the medical treatment performed while in the tilted position and to minimize unwanted movements of the patient's body on the medical treatment table. It is sufficient to allow the pad to be deformed to a depth sufficient to assist.

At the time of filing of this patent application, in a patient support mechanism in which yet another property or embodiment of the embodiment is considered to exist in a broad sense, such a pad so as to minimize unwanted movements of the patient during a medical procedure. It has a sufficiently small repulsion such as ball repulsion.

At the time of filing of this patent application, the ball repulsion is in the range of about 0.1 percent to about 5 percent in a patient support mechanism in which yet another property or embodiment of the embodiment is considered to exist in a broad sense.

At the time of filing of this patent application, the ball repulsion is in the range of about 0.1 percent to about 1.9 percent in a patient support mechanism in which yet another property or embodiment of the embodiment is considered to exist in a broad sense. ..

At the time of filing of this patent application, in a patient support mechanism where one property or aspect of the embodiment is considered to be broadly present, such a pad so as to minimize discomfort and injury to the patient on the medical procedure table. It has a sufficiently small compression set.

At the time of filing of this patent application, the compression set is less than 1 percent for 25 percent compression in a patient support mechanism where another property or embodiment of the embodiment is considered to exist in a broad sense.

At the time of filing of this patent application, in a patient support mechanism in which yet another property or embodiment of the embodiment is considered to exist in a broad sense, the compression set is less than 0.3 percent with 25 percent compression.

At the time of filing of this patent application, in a patient support mechanism in which yet another property or embodiment of the embodiment is considered to exist in a broad sense, the pad is provided with sufficient indentation deflection to provide a fixed hold to the patient.

At the time of filing of this patent application, in a patient support mechanism in which yet another property or embodiment of the embodiment is considered to exist in a broad sense, the indentation deflection is in the range of about 7 to about 18 pounds.

At the time of filing of this patent application, the indentation deflection is in the range of about 10 to about 15 pounds for a patient support mechanism in which another property or embodiment of the embodiment is considered to exist in a broad sense.

At the time of filing of this patent application, in a patient support mechanism in which yet another property or embodiment of the embodiment is considered to exist in a broad sense, the pad should minimize discomfort and damage to the patient on the medical treatment table. It has a compression set that is small enough and a pushing force deflection that is sufficient to give the patient a fixed hold.

At the time of filing of this patent application, in a patient support mechanism in which yet another property or embodiment of the embodiment is considered to exist in a broad sense, the pad is in the range of 3/4 inch to 3 inch or thicker. With sufficient airflow, the pad provides sufficient airflow around the patient to minimize damage to the patient and keep the patient in an inclined position. Sufficient tensile strength to minimize tearing and rest sufficient to help minimize movement of the pad on the medical treatment table when the patient is on the medical treatment table. It comprises a friction coefficient and a density configured to provide the ball repulsion, the compression set, the air flow, the pushing force deflection, the tensile strength, and the static friction coefficient.

At the time of filing of this patent application, in a patient support mechanism in which yet another property or embodiment of the embodiment is considered to exist in a broad sense, the ball repulsion is in the range of about 0.1% to about 5%, said. Compression set is less than 1% at 25% compression, said airflow is in the range of 0.1 to 3.0 cubic feet / minute, and said indentation deflection is in the range of about 7 to about 18 lbs. Yes, the tensile strength is in the range of about 5 lbs / square inch to about 15 lbs / square inch, the static friction coefficient is at least 0.2, and the density is about 75 kg / cubic meter to about 110 kg. / Within the range of cubic meters.

At the time of filing of this patent application, the ball repulsion is in the range of about 0.1% to about 1.9% in the patient support mechanism where another property or aspect of the embodiment is considered to exist in a broad sense. The compression set is less than 0.3% at 25% compression, the airflow is in the range of 0.3 to 1.0 cubic feet / minute, and the indentation deflection is about 10 to about 15. The tensile strength is in the range of about 8 pounds per square inch to about 12 pounds per square inch and the static friction coefficient is in the range of 0.2 to 1.0. The density ranges from about 83 kilograms / cubic meter to about 103 kilograms / cubic meter.

At the time of filing the application for this patent, there is at least one of (a) to (g) in the patient support mechanism in which yet another characteristic or aspect of the embodiment is considered to exist in a broad sense. (A) The ball repulsion is in the range of about 0.1% to about 5%. (B) The compression set is less than 1 percent with 25 percent compression. (C) The airflow is in the range of 0.1 to 3.0 cubic feet / minute. (D) The indentation deflection is in the range of about 7 to about 18 pounds. (E) The tensile strength is in the range of about 5 pounds per square inch to about 15 pounds per square inch. (F) The coefficient of static friction is at least 0.2. (G) The density is in the range of about 75 kilograms / cubic meter to about 110 kilograms / cubic meter.

At the time of filing of this patent application, there is at least one of (h) to (n) in the patient support mechanism in which yet another property or aspect of the embodiment is considered to exist in a broad sense. (H) The ball repulsion is in the range of about 0.1% to about 1.9%. (I) The compression set is less than 0.3 percent at 25 percent compression. (J) The air flow is in the range of 0.3 to 1.0 cubic feet / minute. (K) The indentation deflection is in the range of about 10 to about 15 pounds. (L) The tensile strength is in the range of about 8 pounds per square inch to about 12 pounds per square inch. (M) The coefficient of static friction is in the range of 0.2 to 1.0. (N) The density is in the range of about 83 kilograms / cubic meter to about 103 kilograms / cubic meter.

At the time of filing of this patent application, in a patient support mechanism in which yet another property or embodiment of the embodiment is considered to exist in a broad sense, the pad is provided with a viscoelastic material and the patient support mechanism is attached to the pad for fixation. Further comprising a strap and at least one body strap, the fixation strap is configured to secure the pad to the medical treatment table, each with a central portion of the fixation strap attached to the underside of the pad, and each. A fastener end comprising a hook and a loop fastener, said at least one body strap configured to hold the patient on a medical treatment table when the patient is in the Trenderenburg position, said patient support. The mechanism is equipped with a kit.

At the time of filing of this patent application, one property or aspect of the embodiment is considered to exist broadly with the patient on an inclined medical treatment table, with the patient's head below the patient's body. Positioned, or the patient's head above the patient's body, or the patient's right side above the left side or vice versa, or in any combination of these positions. A patient support mechanism configured to support and support a Trendelenburg position. The patient support mechanism comprises a pad with viscoelastic polyurethane foam that holds the patient on a medical procedure table during a medical procedure performed while the patient is in the Trendelenburg position. Of the medical procedure performed while the patient is in the Trendelenburg position, with sufficient thickness and softness to allow the pad to deform to a depth sufficient to assist. In the meantime, it is configured to maintain patient support on the medical procedure table and recover from deformation at a rate sufficient to minimize disturbing movements of at least part of the body.

At the time of filing of this patent application, in a patient support mechanism in which another property or embodiment of the embodiment is considered to exist in a broad sense, the recovery rate of the pad causes disturbing movement of at least a part of the patient's body. Not enough to help make it happen.

At the time of filing of this patent application, it is believed that one property or aspect of the embodiment exists in a broad sense to support and support the patient in an inclined position on an inclined medical treatment table. It is a patient support mechanism configured in. In this tilted position, the patient's head is located either below or above the patient's body, the patient support mechanism comprises a pad with viscoelastic shape memory foam, and the patient tilts. Thick enough to allow the pad to deform to a depth sufficient to assist in holding the patient on the medical procedure table during the medical procedure performed while in a sitting position. The pad has softness.

At the time of filing of this patent application, it is believed that one property or aspect of an embodiment exists in a broad sense using a patient support mechanism according to this specification and one of the embodiments disclosed in the claims. This is a method of minimizing damage caused by pressure applied to a part of the patient's body and minimizing unnecessary movement of the patient on an inclined medical treatment table such as a surgical table or a patient examination table. ..

The accompanying drawings are generally accurate, including all dimensions, ratios, and / or shapes in at least one embodiment of the invention and are also hereby incorporated by reference.

When two or more embodiments are described herein, all or substantially all of the components and methods of the various embodiments may be used by at least one embodiment or all embodiments.

The embodiments of the present invention described herein in the context of preferred embodiments are embodiments of the invention, as modifications and modifications thereof can be made without departing from the spirit and scope of the embodiments of the invention. Is not considered to be limited to all of the details presented.

Claims (3)

Contains viscoelastic shape memory foam and deforms to a depth sufficient to assist the patient in holding the patient on the surgical table during a surgical procedure that rests on a surgical table tilted at least 45 degrees. A patient support device comprising a surgical patient support pad having sufficient thickness and softness to allow the patient to be held and configured to assist in holding the patient on the surgical procedure table.
Wherein is a surgical patient support pad for holding the surgical table, and extending laterally with the possibility constructed central portion attached to the underside of the surgical patient support pad, hook end Further equipped with fixed straps with multiple fasteners, including and loop fasteners,
Before SL viscoelastic shape memory foam,
Sufficient friction to hold the patient on the surgical table tilted 45 degrees or more without the need for a body strap in cooperation with the holding force provided by the laterally extending fixation strap. Provided between the surgical patient support pad and the surgical treatment table and
It is shaped to fit and support the patient's body, which helps to hold the patient's body on the surgical table with minimal pressure points on the body.
As the retention quality or ability between the patient and the viscoelastic shape memory foam, the friction due to the friction coefficient between the patient and the viscoelastic shape memory foam and the trace formed by the patient are retained in the viscoelastic shape memory foam. A friction-like force due to deformation of the viscoelastic shape memory foam, including, and friction with equivalent total frictional properties of 1 or more in friction coefficient can be provided between the surgical patient support pad and the patient. A patient support device characterized by being a thing. The viscoelastic shape memory foam is
The displacement of the patient in the surgical procedure, can Rukoto suppressed to the deviation amount in the range of less than 25.4 mm,
With a flat top and a flat bottom,
It can pass an air flow with a flow velocity of 0.14 liters / sec to 0.47 liters / sec.
It is a single layer of the viscoelastic shape memory foam.
The recovery rate after deformation by placing an adult torso on a layer of the viscoelastic shape memory foam 2.54 cm thick
It takes 2 to 10 seconds to recover 80%,
It takes 6 to 15 seconds to recover 90%,
It is within the range of 10 to 35 seconds to recover 100%,
At least in part contains viscoelastic shape memory polyurethane foam
A disposable pad designed to be used only once,
Claim 1 Symbol placement of the patient support device, characterized in that. The tilted Trendelenburg position further includes another orientation in which the patient's right side is located above the left side or vice versa, with these orientations and the patient's head being the patient. The patient support device according to claim 1 or 2 , further comprising a combination with an orientation arranged either below or above the body of the patient.

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