CN212439101U - Special chair of vitreous cutting postoperative position - Google Patents

Abstract

The utility model provides a chair special for the body position after vitrectomy, which comprises a head pillow and a supporting base, a foldable seat and a prone position mechanism convenient for patients to use after vitrectomy are sequentially arranged on the supporting base from left to right, the prone position mechanism comprises a bracket fixed on the supporting base, a supporting column is embedded in the middle of the bracket, a chest supporting pillow pad for supporting the chest and abdomen of the patient, an arm support for supporting the arm of the patient and the head pillow pad for placing the head of the patient are sequentially arranged on the supporting column from bottom to top, the chest support pillow cushion is connected with the supporting column through a first telescopic mechanism, the arm support comprises a first circular ring sleeved on the supporting column, the first ring is provided with a first opening which is convenient for sleeving the first ring on the supporting column; the utility model discloses simple structure, the simple operation can make better sitting of disease behind the vitrectomy sleep.

Description

Special chair of vitreous cutting postoperative position

Technical Field

The utility model relates to an ophthalmology clinical postoperative adjunctie therapy technical field, especially a special chair of vitreous cutting postoperative position.

Background

The vitreous body is a semisolid colloidal substance in the eye and is filled in the vitreous cavity. Under normal conditions, the vitreous body has good light transmission, so that the retina is attached to the choroid; if the vitreous body is diseased, a light person can feel that mosquitoes fly in front of eyes when seeing the vitreous body, a heavy person can completely shield light rays to lose eyesight, and peripheral tissue diseases such as retinal detachment and the like can be caused, so that the whole eyeball is damaged; the basic functions of vitrectomy are to remove turbid vitreous or to remove vitreoretinal traction, restore clear refractive interstitium and promote retinal replacement, and to treat vitreoretinal disease to restore visual function to the patient. If the vitreous chamber is filled with gas or silicone oil, the patient is required to take a prone position after operation, so that the bubbles and the silicone oil are pressed against the retina and the fissure hole to reset, and complications are prevented; the prone position is usually required for 3-6 weeks after surgery, i.e. face down and horizontal, to maximize intraocular tamponade against the retina and aid in the repositioning of the detached retina.

There is certain requirement to patient's clinostatism after the operation of vitrectomy, according to the position of fissure hole, the clinostatism that needs to keep after the operation usually has: prone position, left lateral decubitus position, right lateral decubitus position, low head sitting position, standing head low position, walking head low position, etc.; the lying position of 2 weeks after operation generally needs to be strictly observed, and a patient in the silicone oil filling period (3-6 months after operation) can not lie on the back absolutely, and the patient needs to adopt a specific lying position for a long time after operation, so that great inconvenience is brought to the life of the patient, and in the prior art, an auxiliary tool special for the operation of vitrectomy is not provided, and the pillow is not suitable for all people due to different face shapes of each person, is not comfortable and is inconvenient to use; and the head is raised, the body is in a twisted position, the shoulder and the neck are pressed for a long time, the mood is irritated, and the postoperative healing is not facilitated.

Disclosure of Invention

In view of this, the utility model aims at providing a special chair of position that the disease of being convenient for behind the vitrectomy carries out prone position.

The utility model discloses a following mode realizes: the utility model provides a special chair of position after vitrectomy, includes the headrest pad of head, its characterized in that: the device is characterized by further comprising a supporting base, wherein a foldable seat and a prone position mechanism convenient for patients to use after vitrectomy are sequentially arranged on the supporting base from left to right, the prone position mechanism comprises a support fixed on the supporting base, a supporting column is embedded in the middle of the support, a chest support pillow cushion used for supporting the chest and abdomen of the patient, an arm support used for supporting the arm of the patient and a head pillow cushion used for placing the head of the patient are sequentially arranged on the supporting column from bottom to top, the chest support pillow cushion is connected with the supporting column through a first telescopic mechanism, the arm support comprises a first ring sleeved on the supporting column, a first opening convenient for sleeving the first ring on the supporting column is formed in the first ring, two first extending blocks used for fixing the first ring are arranged on the peripheral side wall of the first ring, a gap between the first extending blocks corresponds to the first opening, and the first extending blocks are provided with first threaded holes; the left side and the right side of the first circular ring are both provided with a supporting plate, a strip-shaped opening is formed in the supporting plate, an arm support for supporting the arm of a patient is erected on the supporting plate, a first limiting block is arranged on the lower surface of the arm support, a connecting rod is arranged in the middle of the lower surface of the first limiting block and penetrates through the strip-shaped opening, a second limiting block is arranged at the tail end of the connecting rod, and the connecting rod is fixed in the strip-shaped opening through a butterfly nut; the head pillow is connected with the support column through a second telescopic mechanism.

Further, the first telescopic mechanism comprises a second ring sleeved on the support column, the second ring is provided with a second opening for conveniently sleeving the second ring on the support column, the peripheral side wall of the second ring is provided with two second extending blocks for fixing the second ring, a gap between the second extending blocks corresponds to the second opening, the second extending block is provided with a second threaded hole, the peripheral side wall of the second ring is obliquely provided with a first sleeve, the upper end of the peripheral side wall of the first sleeve is provided with a third threaded hole, a first support rod is embedded in the first sleeve, the first support rod is provided with a fourth threaded hole matched with the third threaded hole at equal distance, the first support rod is fixed in the first sleeve under the action of a first fixing nut, the tail end of the first support rod is provided with third limiting blocks at the front side and the rear side, the third stopper is embedded with a second support rod, the second support rod is fixed with the third stopper under the action of a second fixing nut, and the chest support pillow is fixedly arranged at the tail end of the second support rod.

Further, the inclination angle between the first sleeve and the second ring is A, and the inclination angle A ranges from 100 degrees to 130 degrees.

Furthermore, chest support pillow includes the fixed plate, the articulated first arc that is provided with the inward opening of fixed plate left side gear, the articulated second arc that is provided with the inward opening of fixed plate right side gear, the embedding is provided with first foam-rubber cushion in the chest support pillow.

Further, the second telescopic mechanism comprises a second sleeve, the second sleeve is arranged at the upper end of the supporting column, a fifth threaded hole is formed in the upper end of the peripheral side wall of the second sleeve, a third supporting rod is embedded in the second sleeve, a plurality of sixth threaded holes matched with the fifth threaded holes are formed in the third supporting rod at equal intervals, extending plates are arranged at the left end and the right end of the upper surface of the third supporting rod in an extending mode, the third supporting rod is fixed in the second sleeve through the action of a third fixing nut, a fourth supporting rod is embedded between the extending plates at the left end and the right end, the fourth supporting rod is fixed in the extending plates through the action of a fourth fixing nut, a placing plate is arranged on the fourth supporting rod, the head pillow is arranged on the upper surface of the placing plate, and a ventilation opening matched with the head pillow is formed in the placing plate, the novel support is characterized in that a first semicircular ring is arranged on the side wall of the third support rod, a second semicircular ring matched with the first semicircular ring is arranged at the left end of the lower surface of the placing plate, a first fixing ring is arranged in the first semicircular ring in a hanging mode, a first screw rod is arranged on the first fixing ring, a second fixing ring is arranged in the second semicircular ring in a hanging mode, a second screw rod is arranged on the second fixing ring, a rotating frame is arranged between the first screw rod and the second screw rod, the first screw rod penetrates through the upper frame of the rotating frame and is arranged in the rotating frame, the tail end of the second screw rod penetrates through the lower frame of the rotating frame, the screw thread of the first screw rod is a left-handed screw thread, and the screw thread on the second screw rod is a right-handed screw thread.

Furthermore, the support comprises a third ring, the support column is embedded in the third ring, three support legs are arranged on the peripheral side wall of the third ring, the cross sections of the three support legs are equilateral triangles, the support base is U-shaped, the support legs on the front side and the rear side are arranged at the front end and the rear end of the upper surface of the cross bar of the support base, an extension rod is arranged in the middle of the left side surface of the cross bar of the support base, and the tail end of the left support leg is arranged at the terminal of the upper surface of the extension rod; the left side surfaces of the two vertical rods of the supporting base are connected with a balance rod through the action of a fifth fixing nut, and the seat is arranged on the inner side of the balance rod.

Further, the seat includes the back of the chair and bedplate, both sides all are provided with the fourth stopper around the back of the chair right flank lower extreme, the bedplate is fixed between the fourth stopper of both sides around through sixth fixation nut's effect, both ends all are provided with first chair foot around the back of the chair lower surface, both sides all are fixed with the second chair foot through seventh fixation nut effect around the bedplate lower surface right-hand member, T type guide rail groove has all been seted up to the balancing pole medial surface, first chair foot lower extreme all inlays and is equipped with the bearing, the inner bearing of bearing is connected with a dwang, the dwang end be provided with T type guide rail groove matched with leading wheel, just the leading wheel embedding set up in T type guide rail inslot.

Furthermore, support column periphery lateral wall right side is provided with and is convenient for first bandage and second bandage fixed with the seat after the seat is folded.

Furthermore, the arm support is a third arc-shaped plate with an upward opening, and a second spongy cushion is embedded in the third arc-shaped plate.

Furthermore, the tail end of the arm support is provided with a palm support for placing a palm of a patient.

The beneficial effects of the utility model reside in that: the utility model adds the head pillow, the chest support pillow and the arm support in the device, which can provide the prone position for the patient after the vitrectomy, can keep the head-lowering posture of the patient after the operation, and the hand of the patient can be placed on the arm support, which is beneficial to the postoperative recovery of the patient after the vitrectomy; the first telescopic mechanism, the second telescopic mechanism and the first ring are added in the device, so that the arm support can be lifted up and down under the action of the first ring, the arm support can be adjusted to the proper height of a patient, and the head pillow and the chest support pillow can be adjusted to the comfortable height of the patient under the action of the first telescopic mechanism and the second telescopic mechanism, so that the patient can feel more comfortable; in the device, the seat is fixed with the balance rod through the rotating rod and the guide wheel, so that a patient can apply pressure to the balance rod when sitting down, and the support base is fixed, so that the prone position mechanism cannot incline; the utility model discloses simple structure, the simple operation breathes smoothly and patient's comfort level is high when patient uses to the effectual recovered efficiency of having guaranteed the vitreous cutting postoperative.

Drawings

Fig. 1 is a schematic structural diagram of the first state of the present invention.

Fig. 2 is a schematic structural diagram of a second state of the present invention.

Fig. 3 is a schematic structural view after the folding of the present invention.

Fig. 4 is a right side view of the present invention.

Fig. 5 is a sectional view in the direction of a-a.

Fig. 6 is a schematic structural view of the arm support.

Fig. 7 is a schematic structural view of the chest support pillow.

Detailed Description

The present invention will be further explained with reference to the accompanying drawings.

Referring to fig. 1 to 7, the present invention provides an embodiment: a chair special for post-vitrectomy body positions comprises a head pillow 1 and a supporting base 2, wherein a foldable seat 3 and a prone position mechanism 4 convenient for post-vitrectomy patient use are sequentially arranged on the supporting base 2 from left to right, the prone position mechanism 4 comprises a support 41 fixed on the supporting base 2, a support column 42 is embedded in the middle of the support 41, a chest support pillow 5 used for supporting the chest and abdomen of a patient, an arm support 6 used for supporting the arm of the patient and a head pillow 1 used for placing the head of the patient are sequentially arranged on the support column 42 from bottom to top, the chest support pillow 5 is connected with the support column 42 through a first telescopic mechanism 7, the arm support 6 comprises a first ring 61 sleeved on the support column 42, and the first ring 61 is provided with a first opening (not shown) convenient for sleeving the first ring 61 on the support column 42, two first extending blocks 62 for fixing the first ring 61 are arranged on the outer peripheral side wall of the first ring 61, a gap between the first extending blocks 62 corresponds to the first opening, and a first threaded hole (not shown) is formed in the first extending block 62; the left side and the right side of the first circular ring 61 are both provided with a support plate 63, the support plate 63 is provided with a strip-shaped opening 64, an arm support 65 for supporting the arm of a patient is erected on the support plate 63, the lower surface of the arm support 65 is provided with a first limiting block 66, the middle part of the lower surface of the first limiting block 66 is provided with a connecting rod 67, the connecting rod 67 penetrates through the strip-shaped opening 66, the tail end of the connecting rod 67 is provided with a second limiting block 68, and the connecting rod 68 is fixed in the strip-shaped opening 66 through a butterfly nut; the head pillow 1 is connected with the supporting column 42 through a second telescopic mechanism 8. The connecting rod 67 can be limited in the bar-shaped opening 66 under the action of the first limiting block 62 and the second limiting block 68, the butterfly nut is fixed through the butterfly nut, a user loosens the butterfly nut, the arm support 65 can be driven to move left and right in the bar-shaped opening 64 under the action of the first limiting block 66, accordingly arm width requirements of different users are met, the arm support 6 can be driven to move up and down on the supporting column 42 under the action of the first circular ring 61, the first circular ring 61 is fixed on the supporting column 42 through the bolt passing through the first threaded hole.

Referring to fig. 1 to 3, in an embodiment of the present invention, the first telescoping mechanism 7 includes a second ring 71 sleeved on the supporting pillar 42, the second ring 71 is opened with a second opening (not shown) for sleeving the second ring 71 on the supporting pillar 42, two second extending blocks 72 for fixing the second ring 71 are disposed on a peripheral side wall of the second ring 71, a gap between the second extending blocks 72 corresponds to the second opening, a second threaded hole (not shown) is disposed on the second extending block 72, a first sleeve 73 is disposed on the peripheral side wall of the second ring 71, a third threaded hole (not shown) is disposed on an upper end of the peripheral side wall of the first sleeve 73, a first supporting rod 74 is embedded in the first sleeve 73, a fourth threaded hole 75 matched with the third threaded hole is disposed on the first supporting rod 74 at an equal distance, the first supporting rod 74 is fixed in the first sleeve 73 under the action of the first fixing nut 76, the front side and the rear side of the tail end of the first supporting rod 74 are respectively provided with a third limiting block 77, a second supporting rod 78 is embedded in the third limiting block 77, the second supporting rod 78 is fixed with the third limiting block 77 under the action of the second fixing nut 79, and the chest support pillow 5 is fixedly arranged at the tail end of the second supporting rod 78. Make user's accessible fixing bolt pass the second screw hole and fix second ring 71 on support column 42, loosen fixing bolt and can make second ring 71 reciprocate on support column 42, the user is through loosening first fixation nut 76, make and to drive first bracing piece 74 and reciprocate in first sleeve 73, thereby drive second bracing piece 78 and reciprocate, when removing to the comfortable position of user, through screwing first fixation nut 76, fix first bracing piece 74 in first sleeve 73, second bracing piece 78 reciprocates and can drive chest support bolster 5 and reciprocate, and through loosening second fixation nut 79, make the user can adjust the angle of second bracing piece 78, thereby adjust chest support bolster 5 angle, make the disease can be more comfortable when lying prone.

Referring to fig. 1 to 3, in an embodiment of the present invention, the inclination angle between the first sleeve 73 and the second ring 71 is a, and the inclination angle a ranges from 100 ° to 130 °. The preferred tilt angle a of the present invention may be 120 °, but is not limited thereto.

As shown in fig. 1 to fig. 3 and fig. 7, in an embodiment of the present invention, the chest support pillow 5 includes a fixing plate 51, a first arc-shaped plate 52 with an inward opening is hinged to a left side of the fixing plate 51, a second arc-shaped plate 53 with an inward opening is hinged to a right side of the fixing plate 51, and a first sponge pad 54 is embedded in the chest support pillow 5. The user can rotate the first arc-shaped plate 52 and the second arc-shaped plate 53 outwards, so that the width of the chest support pillow 5 can be adjusted, and the requirements of different patients can be met.

The gear hinges adopted in the utility model are hinges in the prior art, and the technical personnel in the field can clearly understand the gear hinges and do not need to describe in detail.

Referring to fig. 1 to 4, in an embodiment of the present invention, the second telescoping mechanism 8 includes a second sleeve 81, the second sleeve 81 is disposed on the upper end of the supporting pillar 42, a fifth threaded hole (not shown) is formed on the upper end of the peripheral sidewall of the second sleeve 81, a third supporting rod 82 is embedded in the second sleeve 81, a plurality of sixth threaded holes 83 matching with the fifth threaded hole are equidistantly formed on the third supporting rod 82, extending plates (not shown) are respectively extended from the left and right ends of the upper surface of the third supporting rod 82, the third supporting rod 82 is fixed in the second sleeve 81 by the action of a third fixing nut 84, a fourth supporting rod 85 is embedded between the extending plates at the left and right ends, the fourth supporting rod 85 is fixed in the extending plates by the action of a fourth fixing nut 86, a placing plate 87 is disposed on the fourth supporting rod 85, the head pillow 1 is arranged on the upper surface of the placing plate 87, the placing plate 87 is provided with a ventilation opening (not shown) matched with the head pillow 1, so that a patient can have ventilation effect when lying on the stomach, the side wall of the third support rod 82 is provided with a first semicircular ring 88, the left end of the lower surface of the placing plate 87 is provided with a second semicircular ring 89 matched with the first semicircular ring 88, the first semicircular ring 88 is internally hung with a first fixing ring 9, the first fixing ring 9 is provided with a first screw 91, the second semicircular ring 89 is internally hung with a second fixing ring 92, the second fixing ring 92 is provided with a second screw 93, a rotating frame 94 is arranged between the first screw 91 and the second screw 93, the first screw 91 is spirally arranged in the rotating frame 94 through the upper frame of the rotating frame 94, the end of the second screw 93 is screwed through the lower frame of the rotating frame 94 and is disposed in the rotating frame 94, the thread of the first screw 91 is a left-hand thread, and the thread of the second screw 93 is a right-hand thread. So that the user can drive the third supporting rod 82 to move up and down in the second sleeve 81 by loosening the third fixing nut 84, thereby driving the fourth support bar 85 to move up and down, when the user moves to a comfortable prone position, the third fixing nut 84 is screwed and passes through the fifth threaded hole and the sixth threaded hole 83, thereby fixing the third support rod 82, the fourth support rod 85 can drive the placing plate 87 to move up and down by moving up and down, the placing plate 87 can move up and down to drive the head pillow 1 for the patient pillow to move up and down, so that the patient can be more comfortable, after the head pillow 1 is adjusted up and down, the user can rotate the rotating frame 94 and simultaneously loosen the fourth fixing nut 86, the angle of the placement plate 87 can be adjusted to a certain extent, and the fourth fixing nut 86 is screwed after the angle adjustment, thereby fixing the head rest 1.

The utility model provides a thread opposite direction of first screw rod 91 and second screw rod 93, so user corotation rotating frame 94 can drive first screw rod 91 and second screw rod 93 and constantly rotate to rotating frame 94 in to can drive head bolster 1 and carry out angle modulation, after the use, user's reverse rotation rotating frame 94 just can make head bolster 1 adjust back initial state, this theory of operation is prior art, technical staff in the field can clearly understand, do not carry out the detailed description here.

The utility model discloses in the head bolster 1 that adopts be suitable for lying prone the independent ommatidium support that sleeps the use in bed, for the structure among the prior art, the technical staff in the field can clearly understand, do not carry out the detailed description here.

As shown in fig. 1 to 4, in an embodiment of the present invention, the support 41 includes a third ring 43, the support pillar 42 is embedded in the third ring 43, three support legs 44 are disposed on a peripheral side wall of the third ring 43, a cross section of the three support legs 44 is an equilateral triangle, the support base 2 is U-shaped, the support legs 44 on the front and rear sides are disposed at the front and rear ends of the upper surface of the cross bar of the support base 2, an extension rod (not shown) is disposed in the middle of the left side surface of the cross bar of the support base 2, and a terminal of the left support leg 44 is disposed at an upper surface terminal of the extension rod; the left side surfaces of the two vertical rods of the supporting base 2 are connected with a balance rod 22 through the action of a fifth fixing nut 21, and the seat 3 is arranged on the inner side of the balance rod 22. Make the effect through three supporting legs 44, can fix support column 42 on supporting base 2 more stably, user's accessible unscrews fifth fixation nut 21 and folds balancing pole 22, and the fifth fixation nut 21 of screwing again is fixed balancing pole 22, can sparingly utilize the space like this.

With continued reference to fig. 1-5, in one embodiment of the present invention, the seat 3 includes a seat back 31 and a seat plate 32, the front and the rear sides of the lower end of the right side surface of the chair back 31 are respectively provided with a fourth limiting block 33, the chair plate 32 is fixed between the fourth limiting blocks 33 at the front and the rear sides under the action of a sixth fixing nut 34, the front and rear ends of the lower surface of the chair back 31 are respectively provided with a first chair leg 311, the front and rear sides of the right end of the lower surface of the seat plate 32 are respectively fixed with a second chair leg 36 through the action of a seventh fixing nut 35, the inner side surfaces of the balancing rods 22 are all provided with T-shaped guide rail grooves 23, the lower ends of the first chair legs 34 are all embedded with bearings 37, the bearing 37 is fixed by an external bearing, the internal bearing rotates, the internal bearing of the bearing 37 is connected with a rotating rod 38, the dwang 38 end be provided with T type guide rail groove 23 matched with leading wheel 39, just leading wheel 39 imbeds set up in T type guide rail groove 23. After using, in order to save storage space, make the user just can carry out folding effect with bedplate 32 through loosening sixth fixation nut 34, sixth fixation nut 34 screws again, the user just can fix bedplate 32, through loosening seventh fixation nut 35, the user can just fold second chair foot 36, seventh fixation nut 35 screws, make second chair foot 36 can fix, imbed in T type guide rail groove 23 through dwang 38 and leading wheel 39, can fix seat 3, and the effect through leading wheel 39, make leading wheel 39 can drive seat 3 and remove about T type guide rail groove 23, can be convenient for patient's regulation position of sitting distance, make the disease can be more comfortable when pronating.

Referring to fig. 1 to 4, in an embodiment of the present invention, the right side of the peripheral sidewall of the supporting pillar 42 is provided with a first strap 45 and a second strap 46 for fixing the seat 3 after folding. After the seat 3 and the balance bar 22 are folded, the seat 3 and the balance bar 22 are fixed through the action of the first binding belt 45 and the second binding belt 46, so that the seat 3 and the balance bar 22 cannot be easily unfolded, the storage space can be saved, and the space utilization rate can be increased.

Referring to fig. 1 to 4 and 6, in an embodiment of the present invention, the arm support 65 is a third arc-shaped plate with an upward opening, and a second sponge pad 69 is embedded in the third arc-shaped plate. So that the user can feel more comfortable when placing his arm in the arm rest 65.

Referring to fig. 1 to 4 and fig. 6, in an embodiment of the present invention, a palm rest 10 for placing a palm of a patient is disposed at the end of the arm rest 65. So that the user can place the palm on the palm support 10, and the user can feel more comfortable when lying prone.

The utility model discloses a theory of operation: when the chest support pillow is used, a user sits on the seat, feet of the user trample on the support base, the user can lift the first circular ring up and down on the support column, when the user lifts to a position comfortable for a patient, the first circular ring is fixed at a designated position through the first threaded hole by the fixing bolt in a threaded manner, so that the arm support is fixed at the designated position, after the arm support is fixed, the user can adjust the width of the arm supports at the left side and the right side by loosening the butterfly nut to a position comfortable for the arm width of the patient, then the arm support is fixed by tightening the butterfly nut, the patient can conveniently place the arm, the second circular ring can lift up and down on the support column by loosening the first fixing nut, so that the lifting effect of the chest support pillow can be realized, the lifting effect can be realized, the second circular ring can lift to the position comfortable for the patient, the first fixing nut is fixed on the support column, and the user can rotate the first arc-shaped plate and the second arc, thereby the chest support pillow pad is better matched with the chest width of a patient, and a user can drive the second supporting rod to rotate left and right by unscrewing the second fixing nut, thereby the chest support pillow pad can be adjusted at different angles, the requirements of different patients are met, the third supporting rod can be lifted up and down in the second sleeve by unscrewing the third fixing nut, the pillow can be adapted to the patients with different heights, after the lifting is finished, the third fixing nut is screwed to fix the head pillow pad, the angle adjustment of the head pillow pad can be realized by unscrewing the fourth fixing nut and the rotating frame, thereby the different requirements of the patients are met, after the use is finished, the second chair leg is folded rightwards by unscrewing the sixth fixing nut, then the sixth fixing nut is screwed to loosen the seventh fixing nut, thereby the screwing seat plate to be folded rightwards, and then the seventh fixing nut is fixed, through loosening fifth fixation nut soon to realize that the balancing pole is upwards folding, the effect of the first bandage of rethread and second bandage is fixed balancing pole and folding seat, reduces storage space, increase space utilization.

The above is only the preferred embodiment of the present invention, and all the equivalent changes and modifications made according to the claims of the present invention should be covered by the present invention.

Claims (10)

1. The utility model provides a special chair of position after vitrectomy, includes the headrest pad of head, its characterized in that: the device is characterized by further comprising a supporting base, wherein a foldable seat and a prone position mechanism convenient for patients to use after vitrectomy are sequentially arranged on the supporting base from left to right, the prone position mechanism comprises a support fixed on the supporting base, a supporting column is embedded in the middle of the support, a chest support pillow cushion used for supporting the chest and abdomen of the patient, an arm support used for supporting the arm of the patient and a head pillow cushion used for placing the head of the patient are sequentially arranged on the supporting column from bottom to top, the chest support pillow cushion is connected with the supporting column through a first telescopic mechanism, the arm support comprises a first ring sleeved on the supporting column, a first opening convenient for sleeving the first ring on the supporting column is formed in the first ring, two first extending blocks used for fixing the first ring are arranged on the peripheral side wall of the first ring, a gap between the first extending blocks corresponds to the first opening, and the first extending blocks are provided with first threaded holes; the left side and the right side of the first circular ring are both provided with a supporting plate, a strip-shaped opening is formed in the supporting plate, an arm support for supporting the arm of a patient is erected on the supporting plate, a first limiting block is arranged on the lower surface of the arm support, a connecting rod is arranged in the middle of the lower surface of the first limiting block and penetrates through the strip-shaped opening, a second limiting block is arranged at the tail end of the connecting rod, and the connecting rod is fixed in the strip-shaped opening through a butterfly nut; the head pillow is connected with the support column through a second telescopic mechanism.

2. The chair special for posture after vitrectomy according to claim 1, wherein: the first telescopic mechanism comprises a second ring sleeved on the support column, the second ring is provided with a second opening for conveniently sleeving the second ring on the support column, the peripheral side wall of the second ring is provided with two second extending blocks for fixing the second ring, a gap between the second extending blocks corresponds to the second opening, the second extending block is provided with a second threaded hole, the peripheral side wall of the second ring is obliquely provided with a first sleeve, the upper end of the peripheral side wall of the first sleeve is provided with a third threaded hole, a first support rod is embedded in the first sleeve, the first support rod is equidistantly provided with a fourth threaded hole matched with the third threaded hole, the first support rod is fixed in the first sleeve under the action of a first fixing nut, and the tail end of the first support rod is provided with third limit blocks at the front side and the rear side, the third stopper is embedded with a second support rod, the second support rod is fixed with the third stopper under the action of a second fixing nut, and the chest support pillow is fixedly arranged at the tail end of the second support rod.

3. The chair special for posture after vitrectomy according to claim 2, wherein: the inclination angle between the first sleeve and the second ring is A, and the inclination angle A ranges from 100 degrees to 130 degrees.

4. The chair special for posture after vitrectomy according to claim 2, wherein: the chest support pillow comprises a fixing plate, a first arc-shaped plate with an inward opening is hinged to a left gear of the fixing plate, a second arc-shaped plate with an inward opening is hinged to a right gear of the fixing plate, and a first spongy cushion is embedded into the chest support pillow.

5. The chair special for posture after vitrectomy according to claim 1, wherein: the second telescopic mechanism comprises a second sleeve, the second sleeve is arranged at the upper end of the support column, a fifth threaded hole is formed in the upper end of the peripheral side wall of the second sleeve, a third support rod is embedded in the second sleeve, a plurality of sixth threaded holes matched with the fifth threaded holes are formed in the third support rod at equal intervals, extension plates are arranged at the left end and the right end of the upper surface of the third support rod in an extending mode, the third support rod is fixed in the second sleeve through the action of a third fixing nut, a fourth support rod is embedded between the extension plates at the left end and the right end, the fourth support rod is fixed in the extension plates through the action of a fourth fixing nut, a placing plate is arranged on the fourth support rod, the head pillow is arranged on the upper surface of the placing plate, and a ventilation opening matched with the head pillow is formed in the placing plate, the novel support is characterized in that a first semicircular ring is arranged on the side wall of the third support rod, a second semicircular ring matched with the first semicircular ring is arranged at the left end of the lower surface of the placing plate, a first fixing ring is arranged in the first semicircular ring in a hanging mode, a first screw rod is arranged on the first fixing ring, a second fixing ring is arranged in the second semicircular ring in a hanging mode, a second screw rod is arranged on the second fixing ring, a rotating frame is arranged between the first screw rod and the second screw rod, the first screw rod penetrates through the upper frame of the rotating frame and is arranged in the rotating frame, the tail end of the second screw rod penetrates through the lower frame of the rotating frame, the screw thread of the first screw rod is a left-handed screw thread, and the screw thread on the second screw rod is a right-handed screw thread.

6. The chair special for posture after vitrectomy according to claim 1, wherein: the support comprises a third circular ring, the support column is embedded in the third circular ring, three support legs are arranged on the peripheral side wall of the third circular ring, the cross sections of the three support legs are equilateral triangles, the support base is U-shaped, the support legs on the front side and the rear side are arranged at the front end and the rear end of the upper surface of the cross bar of the support base, an extension rod is arranged in the middle of the left side surface of the cross bar of the support base, and the tail end of the left support leg is arranged at the terminal of the upper surface of the extension rod; the left side surfaces of the two vertical rods of the supporting base are connected with a balance rod through the action of a fifth fixing nut, and the seat is arranged on the inner side of the balance rod.

7. The chair special for posture after vitrectomy according to claim 6, wherein: the seat includes the back of the chair and bedplate, both sides all are provided with the fourth stopper around the back of the chair right flank lower extreme, the bedplate is fixed between the fourth stopper of both sides around through sixth fixation nut's effect, both ends all are provided with first chair foot around the back of the chair lower surface, both sides all are fixed with the second chair foot through seventh fixation nut effect around the bedplate lower surface right-hand member, T type guide rail groove has all been seted up to the balancing pole medial surface, first chair foot lower extreme all inlays and is equipped with the bearing, the inner bearing of bearing is connected with a dwang, the dwang end be provided with T type guide rail groove matched with leading wheel, just the leading wheel embedding set up in T type guide rail inslot.

8. The chair special for posture after vitrectomy according to claim 1, wherein: support column periphery lateral wall right side is provided with and is convenient for with the fixed first bandage of seat and second bandage after the seat is folding.

9. The chair special for posture after vitrectomy according to claim 1, wherein: the arm support is a third arc-shaped plate with an upward opening, and a second spongy cushion is embedded in the third arc-shaped plate.

10. The chair special for posture after vitrectomy according to claim 1, wherein: the tail end of the arm support is provided with a palm support for placing a palm of a patient.

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