CN211066684U - Nasal sinus coronal CT scanning support frame - Google Patents

Abstract

The utility model discloses a sinus coronal CT scanning support frame, which comprises a limiting belt and a moving block, wherein an elastic rope is sewn at the lower side of the limiting belt, the bottom of the elastic rope is fixed on a lower jaw limiting part, a soft cushion is pasted on a right limiting block, a compression spring is installed at the right end of the right limiting block, meanwhile, a rod body of the right limiting block passes through the compression spring and is fixed with a handle, the lower jaw pad is installed at the bottom of the lower jaw limiting part, the bottom of the lower jaw pad and a working rod are integrally formed, a rack is installed at the lower end of the working rod through a bolt, the right end of the working rod and a slider are integrally formed, a right sliding rail is installed on the right side wall inside a sleeve, a left sliding rail is installed on the left side wall inside the sleeve, and a sliding groove is formed inside; the shaft lever is provided with a gear. This scanning support frame has the realization and leans on to prop the angle to patient's head and carry out slow regulation, realizes the doctor to propping the regulation and control of angle, and alleviates patient's tired characteristics of feeling.

Description

Nasal sinus coronal CT scanning support frame

Technical Field

The utility model relates to the field of medical auxiliary equipment, specifically a coronary position CT scanning support frame of nasal sinus.

Background

Nasal polyp and chronic nasosinusitis are one of the most common diseases in the department of rhinology, with the development of medicine, the treatment of nasal polyp and nasosinusitis through the endoscopic sinus surgery becomes a common means, and in recent years, many radiology departments in primary hospitals are equipped with an electronic Computed Tomography (CT) machine, so that a good inspection medium, CT scanning of the coronary position of the nasal sinuses and an important inspection method in the endoscopic sinus surgery are provided; the coronary position CT scanning of the paranasal sinuses generally adopts the prone position, a positioning line is vertical to an auditory canthus line, and a plurality of scanning pictures are obtained by continuous scanning from the frontal sinuses to the sphenoid sinuses; the head of a patient needs to be in a scanning process basically perpendicular to the bed surface, usually, a doctor who inspects conducts description type guidance on the face-up supporting condition of the head of the patient, but long-time description and grinding are needed to achieve the face-up position meeting the requirements, time and labor are wasted, and the patient can feel tired.

In order to overcome the disadvantages in the market, there is an urgent need for an improved supporting frame.

SUMMERY OF THE UTILITY MODEL

The utility model provides a technical problem lie in overcoming the doctor of prior art's inspection and to the face upward the condition of propping of patient's head and describe the formula and guide, but all will carry out long-time description and running-in just can reach the position of face upward that meets the requirements, not only waste time and energy, patient also can produce the defect of tired sense of tired, provides a sinus coronarium position CT scanning support frame. The lower jaw limiting part, the support plate, the ratchet wheel and the limiting latch have the advantages that the head support angle of a patient can be slowly adjusted, the regulation and control of the support angle by a doctor can be realized, and fatigue feeling of the patient can be relieved.

In order to achieve the above object, the utility model provides a following technical scheme: a coronary position CT scanning support frame for a nasal sinus comprises a limiting belt and a moving block, wherein an elastic rope is sewn at the lower side of the limiting belt, the bottom of the elastic rope is fixed on a lower jaw limiting part, a soft cushion is pasted on a right limiting block, a compression spring is installed at the right end of the right limiting block, a rod body of the right limiting block penetrates through the compression spring and is fixed with a handle, a lower jaw pad is installed at the bottom of the lower jaw limiting part, the bottom of the lower jaw pad and a working rod are integrally formed, a rack is installed at the lower end of the working rod through a bolt, the right end of the working rod and a sliding block are integrally formed, a right sliding rail is installed on the right side wall inside a sleeve, a left sliding rail is installed on the left side wall inside the sleeve, and sliding grooves are formed; the gear is arranged on the shaft lever, the left end of the shaft lever is fixed on the sleeve through the bearing, the right end of the shaft lever penetrates through the sleeve through the bearing and is fixed with the ratchet wheel, and the right end of the shaft lever penetrates through the ratchet wheel and is fixedly connected with the first adjusting knob into a whole; the left limiting block is arranged on the left side of the lower jaw limiting block; the left limiting block is arranged on the left side of the inner part of the lower jaw limiting block;

the upper end of the moving block is fixedly connected with the sleeve into a whole, the lower end of the moving block is integrally formed with the support plate, a screwing hole is formed in the support plate, and limiting holes are formed in two ends of the screwing hole; a cavity is formed in the connecting bottom plate, the left end of the screw rod is fixed on the connecting bottom plate through a bearing, the right end of the screw rod penetrates through the connecting bottom plate through the bearing to be fixed with the second adjusting knob, a limiting rod is fixed in the connecting bottom plate, and a through groove is formed in the upper end of the connecting bottom plate; the upper end of the limiting latch is hinged to the sleeve through a fixing bolt, and the contraction spring is installed on the sleeve through the fixing bolt.

Preferably, the right limiting block is a transverse moving structure, the left limiting block is a fixed structure, the structure of the left limiting block is consistent with that of the right limiting block, and the surfaces of the left limiting block and the right limiting block are both arc-shaped.

Preferably, the working rod is inserted in the sleeve, the right side of the working rod is connected in the right sliding rail in a sliding mode through the sliding block, the left side of the working rod is connected in the left sliding rail in a sliding mode through the sliding block, and the sliding block and the sliding groove are both arranged in a T shape.

Preferably, the size of the ratchet wheel is matched with that of the limiting latch, and the limiting latch is clamped on the ratchet wheel.

Preferably, the size of the carrier plate is matched with that of the cavity, the carrier plate and the moving block form a T shape, and the carrier plate is of a moving structure.

Preferably, the size looks adaptation of spiro union hole and lead screw, and the lead screw spiro union is in the inside of spiro union hole, and the gag lever post is pegged graft in the inside of spacing hole simultaneously, and two sets of spacing holes are symmetrical structure about the spiro union hole.

Preferably, the rack is matched with the gear in size, and the rack is meshed with the gear.

Preferably, the through groove is matched with the size of the moving block, and the moving block penetrates through the through groove.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the head upward supporting angle of the patient can be slowly adjusted, the upward supporting angle can be adjusted and controlled by a doctor, and fatigue of the patient can be relieved;

2. the limiting latch is clamped on the ratchet wheel, so that the ratchet wheel is prevented from rotating clockwise, and the stability of the lower jaw limiting part during working is ensured;

3. the support plate is in the in-process that removes, and the gag lever post of support plate both sides is pegged graft in spacing hole, carries out spacing and guide's effect to the support plate.

Drawings

FIG. 1 is a front view of the structure of the present invention;

FIG. 2 is a partial side view of the structure of the present invention;

FIG. 3 is a schematic view of the structure contracting spring and the limiting latch of the present invention;

FIG. 4 is a schematic sectional view of the structural sleeve of the present invention;

FIG. 5 is an enlarged schematic view of the structure A of the present invention;

FIG. 6 is a schematic view of the internal structure of the connecting bottom plate of the present invention;

FIG. 7 is a schematic view of the moving block and the through groove of the present invention;

fig. 8 is a schematic view of the internal structure of the sleeve of the present invention.

Reference numbers in the figures: 1. a limiting band; 2. a bungee cord; 3. a lower jaw stop; 4. a compression spring; 5. a right stopper; 6. a handle; 7. a soft cushion; 8. a chin pad; 9. a working lever; 10. a sleeve; 11. a first adjustment knob; 12. a ratchet wheel; 13. a right slide rail; 14. a slider; 15. a chute; 16. a moving block; 17. a carrier plate; 18. screwing holes; 19. a limiting hole; 20. a cavity; 21. connecting the bottom plate; 22. a rack; 23. a left slide rail; 24. a shaft lever; 25. a gear; 26. a left stop block; 27. a screw rod; 28. a second adjustment knob; 29. fixing the bolt; 30. a retraction spring; 31. limiting latch teeth; 32. a limiting rod; 33. a through groove.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-8, the present invention provides a technical solution: a coronary position CT scanning support frame for a paranasal sinus comprises a limit belt 1 and a moving block 16, wherein an elastic rope 2 is sewn at the lower side of the limit belt 1, the bottom of the elastic rope 2 is fixed on a lower jaw limit part 3, a cushion 7 is adhered to a right limit block 5, a compression spring 4 is installed at the right end of the right limit block 5, a rod body of the right limit block 5 penetrates through the compression spring 4 to be fixed with a handle 6, the right limit block 5 is of a transverse moving structure, a left limit block 26 is of a fixed structure, the left limit block 26 and the right limit block 5 are of the same structure, and the surfaces of the left limit block 26 and the right limit block 5 are both arc-shaped; the lower jaw pad 8 is installed at the bottom of the lower jaw limiting part 3, the bottom of the lower jaw pad 8 and the working rod 9 are integrally formed, a rack 22 is installed at the lower end of the working rod 9 through a bolt, the rack 22 is matched with the gear 25 in size, and the rack 22 is meshed with the gear 25; the right end of the working rod 9 and the sliding block 14 are integrally formed, the working rod 9 is inserted into the sleeve 10, the right side of the working rod 9 is connected into the right sliding rail 13 in a sliding mode through the sliding block 14, the left side of the working rod 9 is connected into the left sliding rail 23 in a sliding mode through the sliding block 14, and the sliding block 14 and the sliding groove 15 are both arranged in a T shape; the right slide rail 13 is arranged on the right side wall inside the sleeve 10, the left slide rail 23 is arranged on the left side wall inside the sleeve 10, and the slide grooves 15 are formed in the left slide rail 23 and the right slide rail 13; the gear 25 is arranged on the shaft lever 24, the left end of the shaft lever 24 is fixed on the sleeve 10 through a bearing, meanwhile, the right end of the shaft lever 24 penetrates through the sleeve 10 through the bearing and is fixed with the ratchet wheel 12, and the right end of the shaft lever 24 penetrates through the ratchet wheel 12 and is fixedly connected with the first adjusting knob 11 into a whole; the size of the ratchet wheel 12 is matched with that of the limiting latch 31, and the limiting latch 31 is clamped on the ratchet wheel 12; the left limiting block 26 is arranged on the left side of the lower jaw limiting block 3; the left limiting block 26 is arranged on the left side of the inner part of the lower jaw limiting block 3; the upper end of the moving block 16 is fixedly connected with the sleeve 10 into a whole, the lower end of the moving block 16 is integrally formed with the carrier plate 17, a threaded hole 18 is formed in the carrier plate 17, and two ends of the threaded hole 18 are provided with limit holes 19; the screw holes 18 are matched with the screw rods 27 in size, the screw rods 27 are screwed in the screw holes 18, meanwhile, the limiting rods 32 are inserted in the limiting holes 19, and the two groups of limiting holes 19 are of a symmetrical structure relative to the screw holes 18; the size of the carrier plate 17 is matched with that of the cavity 20, the carrier plate 17 and the moving block 16 form a T shape, and meanwhile, the carrier plate 17 is of a moving structure; the connecting bottom plate 21 is internally provided with a cavity 20, the left end of the screw rod 27 is fixed on the connecting bottom plate 21 through a bearing, meanwhile, the right end of the screw rod 27 passes through the connecting bottom plate 21 through the bearing to be fixed with the second adjusting knob 28, a limiting rod 32 is fixed in the connecting bottom plate 21, and the upper end of the connecting bottom plate 21 is provided with a through groove 33; the upper end of the limiting latch 31 is hinged on the sleeve 10 through a fixing bolt 29, and the contraction spring 30 is installed on the sleeve 10 through the fixing bolt 29; the through groove 33 is matched with the size of the moving block 16, and the moving block 16 penetrates through the through groove 33;

as shown in fig. 1-2 and 6: in the moving process of the carrier plate 17, the limiting rods 32 on the two sides of the carrier plate 17 are inserted into the limiting holes 19 to limit and guide the carrier plate 17, and the working rod 9 is in sliding connection with the sliding rails on the two sides of the sleeve 10 through the sliding blocks 14 on the two sides, so that the stability of the working rod 9 is improved, and the normal operation of the device is ensured;

as shown in fig. 3 and 8: first adjust knob 11 rotates and drives ratchet 12 and rotate, and when 12 anticlockwise rotations of ratchet, spacing latch 31 can not block ratchet 12 and carry out anticlockwise rotation, when chin locating part 3 atress, for preventing the downstream of working lever 9, spacing latch 31 joint is on ratchet 12, avoids ratchet 12 to carry out clockwise rotation, guarantees chin locating part 3 at the stability of duration.

When the scanning support frame is used, a patient firstly lies on a bed, the second adjusting knob 28 is rotated, the second adjusting knob 28 drives the screw rod 27 to rotate, the screw rod 27 rotates to drive the support plate 17 which is in threaded connection with the screw rod 27 to move, the lower jaw limiting part 3 is moved to a position which is matched with the lower jaw of the patient, the handle 6 is firstly stretched outwards, the lower jaw of the patient is lapped on the lower jaw pad 8, the handle 6 is loosened, the head of the patient is clamped between the right limiting block 5 and the left limiting block 26, the soft pads 7 are respectively arranged on the two groups of limiting blocks, the comfort level of the patient in use is improved, the limiting belt 1 is sleeved on the head of the patient to realize the fixing work of the head of the patient, the first adjusting knob 11 is rotated to drive the gear 25 on the shaft lever 24 to rotate, the gear 25 is rotated to drive the rack 22 which is meshed with the gear to move upwards, and the height of the lower jaw limiting part, thereby realizing the slow regulation of the head upward support angle of the patient, realizing the regulation and control of the upward support angle by the doctor and reducing the tiredness of the patient; this is the entire process of operation of the scanning carriage.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (8)

1. The utility model provides a nasal sinus coronal CT scanning support frame, includes spacing area (1) and movable block (16), its characterized in that: an elastic rope (2) is sewed on the lower side of the limiting belt (1), the bottom of the elastic rope (2) is fixed on the lower jaw limiting piece (3), a soft cushion (7) is pasted on the right limiting piece (5), a compression spring (4) is installed at the right end of the right limiting piece (5), meanwhile, the rod body of the right limiting block (5) passes through the compression spring (4) to be fixed with the handle (6), the lower jaw pad (8) is arranged at the bottom of the lower jaw limiting block (3), the bottom of the lower jaw pad (8) and the working rod (9) are integrally formed, the lower end of the working rod (9) is provided with a rack (22) through a bolt, the right end of the working rod (9) is integrally formed with the sliding block (14), the right sliding rail (13) is arranged on the right side wall inside the sleeve (10), the left sliding rail (23) is arranged on the left side wall inside the sleeve (10), meanwhile, sliding grooves (15) are formed in the left sliding rail (23) and the right sliding rail (13); a gear (25) is arranged on the shaft lever (24), the left end of the shaft lever (24) is fixed on the sleeve (10) through a bearing, meanwhile, the right end of the shaft lever (24) penetrates through the sleeve (10) through the bearing to be fixed with the ratchet wheel (12), and the right end of the shaft lever (24) penetrates through the ratchet wheel (12) to be fixedly connected with the first adjusting knob (11) into a whole; the left limiting block (26) is arranged on the left side of the lower jaw limiting block (3); the left limiting block (26) is arranged on the left side of the inner part of the lower jaw limiting block (3);

the upper end of the moving block (16) is fixedly connected with the sleeve (10) into a whole, the lower end of the moving block (16) is integrally formed with the carrier plate (17), a threaded hole (18) is formed in the carrier plate (17), and limiting holes (19) are formed in two ends of the threaded hole (18); a cavity (20) is formed in the connecting bottom plate (21), the left end of the screw rod (27) is fixed on the connecting bottom plate (21) through a bearing, meanwhile, the right end of the screw rod (27) penetrates through the connecting bottom plate (21) through the bearing to be fixed with the second adjusting knob (28), a limiting rod (32) is fixed in the connecting bottom plate (21), and a through groove (33) is formed in the upper end of the connecting bottom plate (21); the upper end of the limiting latch (31) is hinged on the sleeve (10) through a fixing bolt (29), and the contraction spring (30) is installed on the sleeve (10) through the fixing bolt (29).

2. The support frame for sinus coronal CT scanning according to claim 1, wherein: the right limiting block (5) is of a transverse moving structure, the left limiting block (26) is of a fixed structure, the structure of the left limiting block (26) is consistent with that of the right limiting block (5), and the surfaces of the left limiting block (26) and the right limiting block (5) are both arc-shaped.

3. The support frame for sinus coronal CT scanning according to claim 1, wherein: the utility model discloses a slide rail structure, including work pole (9), slider (14) and slide rail (23), work pole (9) are pegged graft in the inside of sleeve pipe (10), and the right side of work pole (9) passes through slider (14) and slips in right slide rail (13), and the left side of work pole (9) passes through slider (14) and slips in the inside of left slide rail (23) simultaneously, and slider (14) and spout (15) are the T setting.

4. The support frame for sinus coronal CT scanning according to claim 1, wherein: the size of the ratchet wheel (12) is matched with that of the limiting latch (31), and the limiting latch (31) is clamped on the ratchet wheel (12).

5. The support frame for sinus coronal CT scanning according to claim 1, wherein: the size of the carrier plate (17) is matched with that of the cavity (20), the carrier plate (17) and the moving block (16) form a T shape, and meanwhile, the carrier plate (17) is of a moving structure.

6. The support frame for sinus coronal CT scanning according to claim 1, wherein: the screw thread hole (18) is matched with the screw rod (27) in size, the screw rod (27) is in screw joint with the inside of the screw thread hole (18), meanwhile, the limiting rod (32) is inserted into the inside of the limiting hole (19), and the two groups of limiting holes (19) are of symmetrical structures relative to the screw thread hole (18).

7. The support frame for sinus coronal CT scanning according to claim 1, wherein: the rack (22) is matched with the gear (25) in size, and the rack (22) is meshed with the gear (25).

8. The support frame for sinus coronal CT scanning according to claim 1, wherein: the through grooves (33) are matched with the moving block (16) in size, and the moving block (16) penetrates through the through grooves (33).

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