A detachable surgical headrest tray instrument and its operating table

Abstract

This invention discloses a detachable surgical headrest tray device and its operating table. The headrest tray device includes a support, a mesh frame, a housing, a slide bar, a clamping member, and a headrest. The support includes a vertical part and a horizontal part, which are fixedly connected for fixing on the operating table. The mesh frame is disposed on the horizontal part for placing the tray. The housing is detachably disposed on the vertical part. The slide bar is disposed on the housing. The clamping member is sleeved on the slide bar. The headrest is fixed on the clamping member. The clamping member is detachably connected to the slide bar via a fixing structure. This invention provides a distance between the headrest and the mesh frame. When covered with a sterile drape, the headrest, mesh frame, and sterile drape form a sterile and safe area, preventing surgical instruments from falling and injuring the patient, improving the safety of surgical instrument use, and avoiding contamination from fallen surgical instruments.

Description

Technical Field

[0001] This invention relates to the field of surgical instrument technology, and more particularly to a detachable surgical headrest tray and its operating table. Background Technology

[0002] Currently, when performing surgery on patients, hospitals need to disinfect the patient's body surface to prevent microorganisms from entering the body. Simultaneously, other parts of the patient's body need to be draped to protect them from contamination. Dredging refers to laying down sterile drapes, also called sterile sheets. During surgery, medical staff use a headrest to support the sterile drape, covering other parts of the patient's body while exposing the patient's head. This ensures smooth breathing during surgery and allows the anesthesiologist to observe the patient's facial expressions, ensuring the smooth progress of the operation. In addition to using a headrest and draping sterile drapes, sterile drapes are also placed on a medical tray during surgery to create a sterile area on the tray, preventing contamination of surgical instruments.

[0003] In existing technologies, such as the ophthalmic surgical ventilation support with Chinese Patent Publication No. CN203220528U, the support frame is fixedly connected to the base, the crossbeam is inserted into the support frame, the mesh tray is fixedly connected to the crossbeam, the butterfly-shaped steel clip is clamped to the crossbeam, and the knob is threadedly connected to the support frame. The support frame increases the patient's ventilation space, overcoming the drawbacks of sterile drapes tightly adhering to the patient's mouth and nose, causing breathing difficulties, stuffiness, and restlessness. The mesh tray holds a small number of commonly used surgical instruments, facilitating access for the surgeon and ensuring the smooth progress of the surgery.

[0004] Although the aforementioned patent combines two medical devices, a mesh tray and a support frame (also called a head frame), the mesh tray and the support frame are located in the same position. The support frame is generally located between the patient's head and body (neck area). The mesh tray is too close to the patient's head. If the surgical instruments fall during the operation, they are not only likely to injure the patient's head, but also likely to fall outside the sterile area of ​​the operating table and contaminate the surgical instruments.

[0005] Therefore, existing technologies still need to be improved and developed. Summary of the Invention

[0006] The technical problem to be solved by the present invention is to provide a detachable surgical head frame tray instrument and its operating table, in order to solve the problems of surgical instruments easily injuring the patient's head and surgical instruments falling into the sterile area and contaminating the hands when they are used in the prior art.

[0007] The technical solution adopted by this invention to solve the technical problem is as follows:

[0008] A detachable surgical headrest tray instrument, comprising:

[0009] The support includes a vertical portion and a horizontal portion, which are fixedly connected for fixing to an operating table;

[0010] A wire mesh frame, disposed on the transverse section, is used to place a tray;

[0011] The housing is detachably mounted on the vertical portion;

[0012] A slide bar is provided in the housing;

[0013] A clamping element is fitted onto the slide bar;

[0014] The head frame is fixed to the clamping member;

[0015] The clamping member is detachably connected to the slide bar via a fixing structure.

[0016] Optionally, the vertical portion is configured as two, and the two vertical portions are respectively fixedly connected to the two ends of the horizontal portion.

[0017] Optionally, the housing is provided with a detachable clamp, which is detachably connected to the vertical part.

[0018] Optionally, it also includes a rotating assembly disposed within the housing, the rotating assembly comprising:

[0019] The gear is rotatably disposed within the housing;

[0020] A rotating block is mounted on the gear and extends out of the housing;

[0021] The slider is provided on the rotating block;

[0022] The housing is provided with a first locking structure for locking the rotation of the gear.

[0023] Optionally, the first locking structure includes:

[0024] The connecting rod passes through the housing and extends outside the housing;

[0025] A rack plate is fixed to the first end of the connecting rod and is located inside the housing;

[0026] A spring is sleeved on the connecting rod, with its first end abutting against the inner wall of the housing and its second end abutting against the inner wall of the rack plate.

[0027] A handle is fixed to the second end of the connecting rod and located outside the housing;

[0028] The rack plate moves toward the gear under the elastic action of the spring and meshes with the gear.

[0029] Optionally, the fixing structure includes:

[0030] A plurality of second screw holes and second bolts are provided on the slide bar, and the clamping member is fixedly connected to the second screw holes by the second bolts.

[0031] Optionally, the head frame is provided with a bending section, which is bent at a predetermined angle.

[0032] Optionally, it also includes an adjustment assembly disposed on the clamping member, the adjustment assembly comprising:

[0033] The adjusting seat is fixed on the clamping member;

[0034] A lead screw is rotatably mounted inside the adjusting seat, with its first end extending outside the adjusting seat.

[0035] A slider is rotatably mounted on the lead screw;

[0036] The head frame is mounted on the slider;

[0037] The first end of the lead screw is provided with a second locking structure for locking the rotation of the lead screw.

[0038] Optionally, the second locking structure includes:

[0039] The first sleeve is fixed on the lead screw, and its first end face is provided with a number of first teeth along the periphery;

[0040] A fixing rod is fixed to the first sleeve;

[0041] The handwheel is fixed to the fixed rod;

[0042] A stud is provided on the adjusting seat;

[0043] The locking component includes a first locking part and a second locking part, which are fixedly connected. The first locking part is sleeved on the fixed rod, and a plurality of second teeth are provided on the first end face along the periphery. The second locking part is threadedly connected to the stud so that the first teeth and the second teeth mesh to lock the lead screw.

[0044] An operating table, comprising:

[0045] Bed frame;

[0046] A detachable surgical head frame tray device as described in any of the above technical solutions;

[0047] The headrest tray device is installed on the bed.

[0048] Beneficial effects:

[0049] 1. This invention provides a rotating component on a support, a slider and a clamping element on the rotating component, and a head frame on the clamping element. A distance is created between the head frame and the mesh frame. When covered with a sterile drape, the head frame, mesh frame, and sterile drape form a sterile and safe area. Even if surgical instruments fall, they will only fall into the sterile and safe area covered by the sterile drape, thus improving the safety of surgical instruments during surgery and preventing surgical instruments from falling into a sterile area and becoming contaminated.

[0050] 2. This invention adjusts the distance between the head frame and the mesh frame by adjusting the distance of the clamping component on the slide bar. This distance can be adjusted according to the surgical needs of the scrub nurse and the surgeon, enabling more precise and efficient surgical cooperation between the scrub nurse and the surgeon.

[0051] 3. The present invention, through the detachable arrangement of the rotating component and the bracket, and the detachable arrangement of the clamping component and the slide bar, makes the device easy to store and disassemble after the operation, and facilitates medical staff to disinfect the device for reuse. Attached Figure Description

[0052] Figure 1 This is a first structural schematic diagram of the head frame tray device provided by the present invention;

[0053] Figure 2 This is a schematic diagram of the second structure of the head frame tray device provided by the present invention;

[0054] Figure 3 This is a schematic diagram of the structure of the support and space frame provided by the present invention;

[0055] Figure 4 This is a schematic diagram of the structure of the housing and slide bar provided by the present invention;

[0056] Figure 5 This is a schematic diagram of the internal structure of the rotating assembly provided by the present invention;

[0057] Figure 6 This is a schematic diagram of the structure of the adjustment component provided by the present invention;

[0058] Figure 7 This is a schematic diagram of the lead screw provided by the present invention;

[0059] Figure 8 This is a schematic diagram of the locking component provided by the present invention;

[0060] Figure 9 This is a schematic diagram of the structure of the semi-threaded bolt provided by the present invention;

[0061] Figure 10 This is a schematic diagram of the operating table and headrest tray device provided by the present invention. Detailed Implementation

[0062] To make the objectives, technical solutions, and advantages of this invention clearer and more explicit, the invention will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

[0063] Please also refer to Figures 1-9 The present invention provides some preferred embodiments of a detachable surgical headrest tray instrument.

[0064] like Figures 1 to 3 As shown, Figure 1 This is a first structural schematic diagram of the surgical headrest tray device of the present invention, including a support 1, a mesh frame 4, a housing 3, a clamping member 7, and a headrest 5. The support 1 includes a vertical portion 110 and a horizontal portion 120, which are integrally formed. At this time, the cross-section of the support 11 is L-shaped, and the vertical portion 110 is fixed to the side wall edge of the operating table. The mesh frame 4 is composed of multiple rods, and the shape of the mesh frame 4 is adapted to the shape of the tray so that the tray can be placed on the mesh frame 4 for easy removal and placement. The mesh frame 4 is welded to the horizontal portion 120 of the support 1. The housing 3 is detachably installed on the vertical portion 110, and a slide bar 8 is fixed on the housing 3. The slide bar 8 is in the shape of a long rod. The clamping member 7 is used to be sleeved on the slide bar 8 and is detachably connected to the slide bar 8 through a fixing structure so that the headrest 5 on the clamping member 7 can be removed, making it easy to assemble and store. It is understood that in this embodiment, since the head frame 5 is directly fixedly connected to the clamping member 7, the cross-section of the head frame 5 is inverted L-shaped during this process.

[0065] It is worth noting that in this invention, because a distance is set between the head frame 5 and the mesh frame 4, when a tray is installed on the mesh frame 4 and a sterile cloth is laid between the mesh frame 4 and the head frame 5, a sterile and safe area is formed between the tray and the head frame 5. The instruments in the tray are less likely to fall onto the patient's head and injure the patient, thus improving the safety of the use of surgical instruments during the operation.

[0066] Preferably, the height of the head frame 5 is greater than the height of the mesh frame 4, that is, the size of the L-shaped head frame 5 is greater than the size of the support 1. When the sterile cloth is laid, a sterile safety area with a certain inclination angle is formed between the mesh frame 4 and the head frame 5, so that if surgical instruments fall into the sterile safety area, they will slide in the direction of the mesh frame 4 and will not slide to the head frame 5 and fall out of the sterile cloth to injure the patient's head.

[0067] The surgical head frame tray device of the present invention is not only simple in structure and easy to disassemble and assemble, but also allows for adjustment of the distance between the head frame 5 and the mesh frame 4 by adjusting the distance between the clamping member 7 and the slide bar 8. The position of the tray and the head frame 5 can be adjusted according to actual needs, so that the distance between the instrument nurse and the surgeon on the tray can be adjusted according to actual needs, so as to carry out more precise and efficient surgical cooperation and improve surgical efficiency.

[0068] In a preferred embodiment of the present invention, such as Figure 1 As shown, two vertical portions 110 are provided, and the two vertical portions 110 are respectively fixedly connected to both ends of the horizontal portion 120. In this embodiment, by providing two vertical portions 110 respectively fixedly connected to both sides of the operating table, the installation of the bracket 1 is made more stable and reliable.

[0069] In a preferred embodiment of the present invention, such as Figure 2 and Figure 4 As shown, a detachable clamp 9 is provided on the housing 3, and the clamp 9 is detachably connected to the vertical part 110.

[0070] Specifically, in this embodiment, the clamp 9 includes an annular portion and fitting portions at both ends. The annular portion is fitted onto the vertical portion 110 and is fixedly connected to the vertical portion 110 by bolts. The fitting portions are fixedly connected to the surface of the housing 3 by bolts. The vertical portion 110 is fixedly connected by bolts, so that the housing 3 can be disassembled and stored from the vertical portion 110 of the bracket 1. The structure is simple and reliable.

[0071] In a preferred embodiment of the present invention, such as Figure 2 , Figure 4 and Figure 5 As shown, Figure 2 This is a second structural schematic diagram of the surgical head frame 5 tray device, which also includes a rotating assembly 2 disposed within the housing 3 for driving the slide bar 8 to rotate. The rotating assembly 2 includes a gear 210 and a rotating block 220. The gear 210 is rotatably disposed within the housing 3, and the rotating block 220 is disposed on the gear 210 and extends out of the housing 3. The slide bar 8 is disposed on the rotating block 220. The housing 3 is provided with a first locking structure 230 for locking the rotation of the gear 210.

[0072] Specifically, the housing 3 consists of an upper shell and a lower shell, which are bolted together to form an internal cavity. An opening is provided in the middle of the upper shell, and a rotatable gear 210 is installed in the cavity. A rotating block 220 is installed on the gear 210. The rotating block 220 extends out of the opening and is fixedly connected to the slide bar 8. The connection between the rotating block 220 and the slide bar 8 can be any of welding, snap-fit, or bolted. A first locking structure 230 is installed inside the housing 3 to lock the gear 210 and prevent the gear 210 from rotating arbitrarily.

[0073] In a preferred embodiment of the present invention, such as Figure 5 As shown, the first locking structure 230 includes a connecting rod 2302, a rack plate 2301, a spring 2304, and a handle 2303. The connecting rod 2302 passes through the housing 3 and extends outside the housing 3. The rack plate 2301 is fixed to the first end of the connecting rod 2302 and is located inside the housing 3. The spring 2304 is sleeved on the connecting rod 2302, with its first end abutting against the inner wall of the housing 3 and its second end abutting against the inner wall of the rack plate 2301. The handle 2303 is fixed to the second end of the connecting rod 2302 and is located outside the housing 3. Under the elastic action of the spring 2304, the rack plate 2301 moves toward the gear 210 and meshes with the gear 210.

[0074] Specifically, the connecting rod 2302 passes through the housing 3, and the number of connecting rods 2302 is at least one. Preferably, in this embodiment, the number of connecting rods 2302 is two. The connecting rods 2302 are arranged symmetrically along the center inside the housing 3. A rack plate 2301 is arranged at one end of the connecting rod 2302 facing inwards from the housing 3, and a handle 2303 is arranged at the other end of the connecting rod 2302 facing outwards from the housing 3. A spring 2304 is sleeved on the part of the connecting rod 2302 located inside the housing 3. There are also two springs 2304. One end of the spring 2304 abuts against the rack plate 2301, and the other end abuts against the inner wall of the housing 3. In this embodiment, by pulling the handle 2303, the connecting rod 2302 pulls the rack plate 2301 away from the gear 210. During this process, the spring 2304 is compressed and accumulates elastic potential energy, allowing medical staff to rotate the slider 8 to adjust the angle of the head frame 5. After use, the handle 2303 is released to release the elastic potential energy, pushing the rack plate 2301 to move to the gear 210. The rack plate 2301 meshes with the gear 210 to lock the gear 210 and prevent the slider 8 from rotating.

[0075] In a preferred embodiment of the present invention, such as Figure 4 and Figure 6As shown, the fixing structure includes a plurality of fixing screw holes 820 and fixing bolts 810 disposed on the slide bar 8. The clamping member 7 is fixedly connected to the fixing screw holes 820 via the fixing bolts 810. In this embodiment, the clamping member 7 is locked by a threaded structure, which facilitates disassembly and assembly and results in a simple and reliable structure.

[0076] In a preferred embodiment of the present invention, such as Figure 6 As shown, the head frame 5 is provided with a bending part 510. The bending part 510 is bent at a predetermined angle. Specifically, the bending part 510 is a rod-shaped structure. The bending part 510 is fixed to the end of the head frame 5 and is inclined at a certain angle to the head frame 5 to prevent the sterile cloth from slipping off the head frame 5.

[0077] In a preferred embodiment of the present invention, such as Figure 2 and Figure 6 As shown, it also includes an adjustment assembly 6 disposed on the clamping member 7. The adjustment assembly 6 includes an adjustment seat 610, a lead screw 630 and a slider 640. The adjustment seat 610 is fixed on the clamping member 7. The lead screw 630 is rotatably disposed inside the adjustment seat 610, with its first end extending outside the adjustment seat 610. The slider 640 is rotatably disposed on the lead screw 630. The head frame 5 is disposed on the slider 640. The first end of the lead screw 630 is provided with a second locking structure 620 for locking the rotation of the lead screw 630.

[0078] Specifically, the adjusting seat 610 has a U-shaped cross-section, and a rotatable lead screw 630 is installed inside the adjusting seat 610. The lead screw 630 extends below the adjusting seat 610, and a second locking structure 620 is provided on the lead screw 630 located below the adjusting seat 610. The slider 640 has a screw hole that mates with the lead screw 630, so that the rotation of the lead screw 630 drives the slider 640 to rise or fall. The headrest 5 is installed at the end of the slider 640. More specifically, the headrest 5 has a straight cross-section, and a bent portion 510 is provided at the end. In this embodiment, the slider 640 is raised and lowered by the lead screw 630, which in turn drives the headrest 5 to rise and fall. The headrest 5 can be adjusted to a suitable height according to actual needs for use by medical personnel.

[0079] Furthermore, such as Figures 6 to 9As shown, the second locking structure 620 includes a first sleeve 6201, a fixing rod 6204, a handwheel 6203, a stud 6206, and a locking element 6202. The first sleeve 6201 is fixed to the lead screw 630, and its first end face is provided with a plurality of first teeth 6207 along its periphery. The fixing rod 6204 is fixed to the first sleeve 6201, and the handwheel 6203 is fixed to the fixing rod 6204. The stud 6206 is disposed on the adjusting seat 610, and the locking element 6202... 02 includes a first locking part 6202a and a second locking part 6202b, which are fixedly connected. The first locking part 6202a is sleeved on the fixed rod 6204, and a plurality of second teeth 6208 are provided on the first end face along the periphery. The second locking part 6202b is threadedly connected to the stud 6206 so that the first teeth 6207 and the second teeth 6208 engage to lock the lead screw 630.

[0080] Specifically, such as Figures 6 to 9 As shown, the stud 6206 is fixed to the bottom of the adjusting seat 610. A threaded hole is provided inside the stud 6206, and a half-threaded bolt 6205 is threaded onto the threaded hole. Part of the half-threaded bolt 6205 is threaded, and part is smooth. The smooth part is used to accommodate the second locking part 6202b. The locking element 6202 includes a first locking part 6202a and a second locking part 6202b, both of which are disc-shaped. The first locking part 6202a has a first through hole in the middle that matches the fixing rod 6204, and the second locking part 6202b has a second through hole in the middle that matches the smooth part of the half-threaded bolt 6205. The end face periphery of the first locking part 6202a has several second teeth 6208. The first locking part 6202a and the second locking part 6202b are fixedly connected by a rod. The first locking part 6202a, the second locking part 6202b, and the rod are integrally formed. It can be understood that in this embodiment, the lead screw 630 can also be replaced with a threaded rod.

[0081] In actual use, the half-threaded bolt 6205 is unscrewed from the stud 6206. The first locking part 6202a of the locking member 6202 slides down under the influence of gravity and comes into contact with the end face of the handwheel 6203. During this process, the second tooth 6208 separates from the first tooth 6207. Medical staff rotate the fixing rod 6204 through the handwheel 6203. The fixing rod 6204 drives the screw 630 to rotate and adjust the head frame 5 to a suitable height. After adjustment, the half-threaded bolt 6205 is screwed into the stud 6206. The half-threaded bolt 6205 pushes the second locking part 6202b to rise. The second locking part 6202b drives the first locking part 6202a to rise, so that the second tooth 6208 of the first locking part 6202a engages with the first tooth 6207 of the first sleeve 6201, thereby locking the screw 630 and preventing the screw 630 from rotating arbitrarily.

[0082] The present invention also provides an operating table, comprising:

[0083] 10 beds;

[0084] The surgical head frame tray device described in any of the above embodiments;

[0085] The headrest tray device is provided on the bed body 10.

[0086] Specifically, such as Figure 10 As shown, slide rails 1010 are provided on both side walls of the bed 10. The headrest tray device includes a support 1. Each vertical part 110 of the support 1 is provided with a connector 1020. Locking bolts are provided on the connector 1020. In actual use, when the connector 1020 is fitted onto the slide rail 1010, medical staff use the locking bolts to tighten the connector 1020, and the connector 1020 is fixed on the slide rail 1010, so that the device is extremely convenient to assemble and disassemble on the operating table.

[0087] The operating table provided by the present invention has all the above-mentioned beneficial effects because it is equipped with the head frame tray device described in any of the above technical solutions, which will not be repeated here.

[0088] In summary, this invention provides a detachable surgical headrest tray instrument. By incorporating a rotating component on the support, a sliding bar and a clamping element on the rotating component, and a headrest mounted on the clamping element, a distance is created between the headrest and the mesh frame. When covered with a sterile drape, the headrest, mesh frame, and sterile drape form a sterile and safe zone. Even if surgical instruments fall, they will only fall within this sterile and safe zone, preventing direct impact to the patient's head and thus improving the safety of surgical instruments during surgery. Furthermore, because the surgical instruments remain within the sterile and safe zone, even if they fall onto the sterile drape, contamination of the instruments is avoided. Adjusting the distance between the clamping components and the slide bar, and thus the distance between the head frame and the mesh frame, allows for adjustments based on the surgical needs of the scrub nurse and surgeon. This enables more precise and efficient surgical coordination between them, thereby improving surgical efficiency. Rotating the slide bar via the rotating component allows the head frame to rotate to different angles, enabling the anesthesiologist to adjust it to a suitable angle for observing the patient's face. The detachable design of the rotating component and the support frame, as well as the detachable clamping components and the slide bar, facilitates easy storage of the device after surgery and allows for convenient sterilization by medical staff for reuse.

[0089] It should be understood that the application of the present invention is not limited to the examples above. Those skilled in the art can make improvements or modifications based on the above description, and all such improvements and modifications should fall within the protection scope of the appended claims.

Claims

1. A detachable surgical headrest tray instrument, characterized in that, include: The support includes a vertical portion and a horizontal portion, which are fixedly connected for fixing to an operating table; A wire mesh frame, disposed on the transverse section, is used to place a tray; The housing is detachably mounted on the vertical portion; A slide bar is provided in the housing; A clamping element is fitted onto the slide bar; The head frame is mounted on the clamping member; The clamping member is detachably connected to the slide bar via a fixing structure; It also includes a rotating assembly disposed within the housing for driving the slider to rotate, the rotating assembly comprising: The gear is rotatably disposed within the housing; A rotating block is mounted on the gear and extends out of the housing; The slider is provided on the rotating block; The housing is provided with a first locking structure for locking the rotation of the gear; The first locking structure includes: The connecting rod passes through the housing and extends outside the housing; A rack plate is fixed to the first end of the connecting rod and is located inside the housing; A spring is sleeved on the connecting rod, with its first end abutting against the inner wall of the housing and its second end abutting against the inner wall of the rack plate. A handle is fixed to the second end of the connecting rod and located outside the housing; The rack plate moves toward the gear under the elastic action of the spring and meshes with the gear; It also includes an adjustment assembly disposed on the clamping member, the adjustment assembly comprising: The adjusting seat is fixed on the clamping member; A lead screw is rotatably mounted inside the adjusting seat, with its first end extending outside the adjusting seat. A slider is rotatably mounted on the lead screw; The head frame is mounted on the slider; The first end of the lead screw is provided with a second locking structure for locking the rotation of the lead screw; The second locking structure includes: The first sleeve is fixed on the lead screw, and its first end face is provided with a number of first teeth along the periphery; A fixing rod is fixed to the first sleeve; The handwheel is fixed to the fixed rod; A stud is disposed on the adjusting seat; The locking component includes a first locking part and a second locking part, which are fixedly connected. The first locking part is sleeved on the fixed rod, and a plurality of second teeth are provided on the first end face along the periphery. The second locking part is threadedly connected to the stud so that the first teeth and the second teeth mesh to lock the lead screw.

2. The detachable surgical head frame tray instrument according to claim 1, characterized in that, The vertical section is configured as two parts, and the two vertical sections are respectively fixedly connected to the two ends of the horizontal section.

3. The detachable surgical head frame tray instrument according to claim 1, characterized in that, The housing is provided with a detachable clamp, which is detachably connected to the vertical part.

4. The detachable surgical head frame tray instrument according to claim 1, characterized in that, The fixing structure includes: A plurality of fixing screw holes and fixing bolts are provided on the slide bar, and the clamping member is fixedly connected to the fixing screw holes by the fixing bolts.

5. A detachable surgical head frame tray instrument according to claim 1, characterized in that, The head frame is provided with a bending section, which is bent at a predetermined angle.

6. An operating table, characterized in that, include: Bed frame; A detachable surgical headrest tray device as described in any one of claims 1 to 5; The surgical head frame tray is mounted on the bed.

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