Guiding and fixing device for intermaxillary fixation of oral catheter of patient

Abstract

The invention belongs to the field of medical instruments, and relates to a guiding and fixing device for intermaxillary fixation of an oral catheter of a patient. The guide fixing device at least comprises a traction piece, a catheter fixing head, an operation handle, an angle regulator and a device fixing part; the traction piece is used for pulling the catheter fixing head to enter the mouth, the catheter fixing head is used for fixing a catheter needing to be arranged through the mouth, the operation handle is matched with the angle adjuster so that the operation handle can control the traction piece to stretch towards the interior of the mouth along a certain angle, and the angle adjuster is connected with the device fixing part. And the device fixing part is arranged on the molar rear pad. The problems that the position of the catheter cannot be determined and the catheter cannot be fixed in the process of arranging the catheter through the mouth of an intermaxillary fixation patient can be effectively solved.

Description

Technical Field

[0001] The invention belongs to the field of medical devices and relates to a guide fixing device, in particular to a guide fixing device for inter-maxillary fixation of a patient's oral catheter. Background Art

[0002] Intermaxillary fixation patients refer to patients who undergo intermaxillary fixation treatment. Intermaxillary fixation treatment is a treatment method that fixes the position of the upper and lower jaws by physical means. It is often used after oral and maxillofacial surgery or during the recovery period of specific diseases to maintain the occlusal relationship, promote bone healing or relieve joint pressure.

[0003] Because the patient needs to fix the position of the upper and lower jaws, they will have difficulty opening and closing their mouths during the recovery period. Care for specific positions within the mouth requires the insertion of intraoral tubes.

[0004] The current method of inserting an oral catheter in patients with intermaxillary fixation is to cut a 45-degree bevel at the front end of the catheter. When in use, the beveled end is placed into the oral cavity through the gap between the two retromolar pads.

[0005] The inserted catheter is usually used in conjunction with a syringe for purposes such as wound irrigation and oral cleaning.

[0006] At present, the main problems in oral catheterization are as follows: 1. The path of the catheter after entering the oral cavity through the retromolar pad is not straight, making the placement of the catheter more difficult; 2. Because the catheter is relatively soft, the doctor may place the catheter above the tongue, below the tongue, or even on the patient's pharyngeal wall, making it impossible for the doctor to accurately control the placement of the catheter; 3. The catheter cannot be fixed after placement. If the patient does not cooperate or is not careful during the operation, the catheter may be removed or pulled out; 4. Even if the catheter is accurately placed in the predetermined position, during subsequent use, such as flushing wounds and flushing the mouth, the catheter position is prone to uncontrolled movement due to the reaction force of the liquid, thereby affecting the care effect. Summary of the invention

[0007] The purpose of the present invention is to provide a guiding and fixing device for the oral catheter of an intermaxillary fixation patient, in view of the fact that the existing setting method has the problem that the position of the catheter in the mouth cannot be determined and the catheter cannot be fixed during the setting process of the oral catheter of the intermaxillary fixation patient.

[0008] In order to achieve the above-mentioned object of the invention, the present invention provides the following technical solutions: A guiding and fixing device for inter-maxillary fixation of a patient's oral catheter comprises at least a traction member, a catheter fixing head, an operating handle, an angle adjuster and a device fixing portion; one end of the traction member is connected to the catheter fixing head, and the traction member is used to pull the catheter fixing head into the mouth; the catheter fixing head is used to fix the catheter to be set through the mouth, and the other end of the traction member is connected to the operating handle; the operating handle cooperates with the angle adjuster, so that the operating handle controls the traction member to extend into the mouth along a certain angle; the angle adjuster is connected to the device fixing portion, and the device fixing portion is set on a retromolar pad.

[0009] Among them, the traction member is a telescopic structure, and the traction member at least includes multiple connecting rods. After the connecting rods are crossed in pairs, they are connected by a center pin to form multiple cross structures. The multiple cross structures are connected by end pins to form a telescopic connecting rod structure, and adjacent connecting rods can rotate relative to each other.

[0010] Furthermore, the catheter fixing head at least includes a catheter connecting part and a traction connecting part, and the traction connecting part is arranged below the catheter connecting part; the catheter connecting part at least includes a slot, and the slot is arranged as a conical slot, one end of the traction connecting part is provided with a slide slot, and the other end of the traction connecting part is provided with a joint, and a slider is provided in the slide slot, and the slider can slide along the slide slot; the traction member is respectively connected to the joint and the slider.

[0011] Furthermore, the operating handle at least includes a control rod, a fixed head, a sliding sleeve and an adjusting shaft; the control rod is a square rod, the fixed head is arranged on the control rod, the sliding sleeve is sleeved on the control rod and can slide along the control rod; the traction member is respectively connected to the fixed head and the sliding sleeve; the adjusting shaft is arranged at the end of the control rod, and the adjusting shaft is connected to the angle adjuster.

[0012] Furthermore, the angle adjuster at least includes an elevation adjustment block, a deflection adjustment block and a connecting plate; the connecting plate is used to connect the elevation adjustment block and the deflection adjustment block; the elevation adjustment block is vertically arranged on the connecting plate, an elevation adjustment hole is arranged on the elevation adjustment block, and the deflection adjustment block is columnar and vertically arranged on the connecting plate.

[0013] Furthermore, the fixing part of the device at least includes a workbench, a front baffle is arranged below the front end of the workbench, a rear baffle is arranged below the rear end of the workbench, support plates are arranged on the left and right sides above the front end of the workbench, an elastic component is arranged on the top of the support plate, and the elastic component has a certain elevation angle relative to the plane of the workbench; a connecting hole is arranged on the extension plane at the rear end of the workbench.

[0014] Furthermore, the elevation angle adjustment hole is connected to the adjustment shaft, and the deflection angle adjustment block is connected to the connection hole.

[0015] Furthermore, a plurality of elastic protrusion structures are arranged on the control rod, and a limiting hole is arranged on the inner side of the sliding sleeve. The elastic protrusion structure cooperates with the limiting hole to limit the position of the sliding sleeve.

[0016] Furthermore, a plurality of elastic protrusion structures are arranged along the outer diameter circumferential direction of the adjustment shaft and the angle adjustment block, and a plurality of limiting holes are arranged along the inner diameter circumferential direction of the elevation adjustment hole and the connecting hole; the elastic protrusion structure cooperates with the limiting hole to limit the rotation angle.

[0017] Compared with the prior art, the present invention has the following beneficial effects: 1. Through the relative rotation between the connecting rods, the telescopic connecting rod structure can realize the functions of extension and contraction, and the traction member realizes the traction effect by extending the telescopic connecting rod structure.

[0018] 2. The operating handle adjusts the telescopic length of the traction member by adjusting the distance between the fixed head and the sliding sleeve, thereby achieving an effect of adjustable traction depth.

[0019] 3. The elevation angle of the traction member can be adjusted by adjusting the rotation angle of the adjustment shaft in the elevation adjustment hole; the deflection angle of the traction member can be adjusted by adjusting the rotation angle of the deflection adjustment block in the connecting hole.

[0020] 4. When the elastic protrusion structure coincides with the position of the limiting hole, the elastic protrusion structure is embedded in the limiting hole under the action of elastic force to complete the limiting.

[0021] 5. The front baffle and the rear baffle can limit the forward and backward movement of the device fixing part, and the elastic component can provide pressure to the workbench, so that the workbench and the mandibular retromolar pad are more closely fitted, so that the device fixing part is more stably arranged between the retromolar pads of the upper and lower jaws.

[0022] 6. The inventors have found in the long-term practice that the position of the catheter installed through the mouth cannot be determined and cannot be fixed. The present invention can effectively solve the problem of the position of the catheter in the mouth by setting a traction member, an angle adjuster, and an operating handle; at the same time, the setting of the catheter fixing head and the device fixing part can avoid the movement of the catheter position under the reaction force of the liquid when flushing the wound or cleaning the oral cavity, thereby solving the problem of the catheter being unable to be fixed. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 The overall structural diagram of the guide fixing device is as follows; Figure 2 is a schematic diagram of the structure of the traction member; Figure 3 It is a structural schematic diagram of the connection between the catheter fixing head and part of the traction member; Figure 4 It is a partial enlarged structural diagram of the connection between the operating handle and part of the traction member; Figure 5 is a schematic diagram of the structure of the sliding sleeve; Figure 6 is a structural schematic diagram of an angle adjuster; Figure 7 It is a partially enlarged cross-sectional structural schematic diagram of the angle adjuster connecting the operating handle and the device fixing part; Figure 8 It is a structural schematic diagram of the connection between the guide fixing device and the angle adjuster.

[0024] The meanings of the symbols in the figure are as follows: 1. traction member; 11. connecting rod; 12. end pin; 13. center pin; 2. catheter fixing head; 21. catheter connecting part; 22. traction connecting part; 211. slot; 221. slide slot; 222. slide block; 223. joint; 3. Operating handle; 31. Control rod; 311. Elastic protrusion structure; 32. Fixed head; 33. Sliding sleeve; 331. Limiting hole; 34. Adjusting shaft; 4. Angle adjuster; 41. Elevation adjustment block; 411. Elevation adjustment hole; 42. Deflection adjustment block; 43. Connecting plate; 5. Device fixing part; 51. Workbench; 52. Front baffle; 53. Rear baffle; 54. Elastic component; 55. Support plate; 56. Connection hole. DETAILED DESCRIPTION

[0025] To make the purpose, technical solution and advantages of the embodiments of the present invention clearer, the technical solution in the embodiments of the present invention will be described clearly and completely in conjunction with the accompanying drawings. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them.

[0026] Therefore, the following detailed description of the embodiments of the present invention is not intended to limit the scope of the invention claimed for protection, but merely represents some embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0027] It should be noted that, in the absence of conflict, the embodiments of the present invention and the features and technical solutions in the embodiments may be combined with each other.

[0028] It should be noted that similar reference numerals and letters denote similar items in the following drawings, and therefore, once an item is defined in one drawing, further definition and explanation thereof is not required in subsequent drawings.

[0029] In the description of the present invention, it should be noted that the orientation or positional relationship indicated by the terms "upper", "lower", etc. is based on the orientation or positional relationship shown in the drawings, or the orientation or positional relationship in which the invention product is usually placed when in use, or the orientation or positional relationship commonly understood by those skilled in the art. Such terms are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the present invention. In addition, the terms "first", "second", etc. are only used to distinguish the description, and cannot be understood as indicating or implying relative importance.

[0030] As attached Figure 1 -Attached Figure 8 As shown, the present embodiment is a guiding and fixing device for intermaxillary fixation of a patient's oral catheter, the guiding and fixing device at least comprises a traction member 1, a catheter fixing head 2, an operating handle 3, an angle adjuster 4 and a device fixing portion 5; one end of the traction member 1 is connected to the catheter fixing head 2, and the traction member 1 is used to pull the catheter fixing head 2 into the mouth; the catheter fixing head 2 is used to fix the catheter to be set through the mouth, and the other end of the traction member 1 is connected to the operating handle 3; the operating handle 3 cooperates with the angle adjuster 4, so that the operating handle 3 controls the traction member 1 to extend into the mouth along a certain angle; the angle adjuster 4 is connected to the device fixing portion 5, the device fixing portion 5 is arranged on the retromolar pad, and the device fixing portion 5 is used to prevent the guiding and fixing device from shifting and falling off in the mouth during operation.

[0031] By cooperating with the angle adjuster 4 , the operating handle 3 can enable the catheter connected to the catheter fixing head 2 to enter the mouth along a certain angle under the traction of the traction member 1 .

[0032] Preferably, the traction member 1 is a telescopic structure, and the traction member 1 includes at least a plurality of connecting rods 11. After the connecting rods 11 are crossed in pairs, they are connected by a center pin 13 to form a plurality of cross structures. The plurality of cross structures are connected by end pins 12 to form a telescopic connecting rod structure, and adjacent connecting rods 11 can rotate relative to each other.

[0033] When in use, the telescopic connecting rod structure can realize the functions of extension and contraction through the relative rotation between the connecting rods, thereby realizing the traction of the traction member 1.

[0034] Preferably, the catheter fixing head 2 at least includes a catheter connecting portion 21 and a traction connecting portion 22 , the catheter connecting portion 21 is used to fix the catheter, the traction connecting portion 22 is used to connect the traction member 1 , and the traction connecting portion 22 is arranged below the catheter connecting portion 21 .

[0035] Preferably, the catheter connecting portion 21 at least includes a clamping groove 211, and the clamping groove 211 is configured as a tapered groove. When in use, the catheter can be fixed by clamping the catheter in the tapered groove.

[0036] Preferably, a slide groove 221 is provided at one end of the traction connection part 22, a joint 223 is provided at the other end of the traction connection part 22, a slider 222 is provided in the slide groove 221, and the slider 222 can slide along the slide groove 221; the traction member 1 is respectively connected to the joint 223 and the slider 222 through a pin hole structure.

[0037] Preferably, the operating handle 3 at least includes a control rod 31, a fixed head 32, a sliding sleeve 33 and an adjusting shaft 34; the control rod 31 is a square rod, the fixed head 32 is arranged on the control rod 31, the sliding sleeve 33 is sleeved on the control rod 31 and can slide along the control rod 31; the traction member 1 is respectively connected to the fixed head 32 and the sliding sleeve 33.

[0038] When in use, the operating handle 3 adjusts the telescopic length of the traction member 1 by adjusting the distance between the fixed head 32 and the sliding sleeve 33, thereby achieving an effect of adjustable traction depth.

[0039] Preferably, the adjustment shaft 34 is arranged at the end of the control rod 31, and the operating handle 3 is connected to the angle adjuster 4 through the adjustment shaft 34. The angle adjuster 4 at least comprises an elevation adjustment block 41, a deflection adjustment block 42 and a connecting plate 43; the connecting plate 43 is used to connect the elevation adjustment block 41 and the deflection adjustment block 42; the elevation adjustment block 41 is vertically arranged on the connecting plate 43, and an elevation adjustment hole 411 is arranged on the elevation adjustment block 41; the deflection adjustment block 42 is columnar and vertically arranged on the connecting plate 43; the elevation adjustment block 41 is used to adjust the elevation angle of the traction member 1 entering the mouth. The deflection adjustment block 42 is used to adjust the radial deflection angle when the traction member 1 enters the mouth. For the convenience of description, the radial deflection angle is referred to as the deflection angle.

[0040] Preferably, the device fixing portion 5 at least includes a workbench 51, a front baffle 52 is arranged below the front end of the workbench 51, a rear baffle 53 is arranged below the rear end of the workbench 51, support plates 55 are arranged on the left and right sides above the front end of the workbench 51, and an elastic component 54 is arranged on the top of the support plate 55, and the elastic component 54 has a certain elevation angle relative to the plane of the workbench 51; a connecting hole 56 is arranged on the extension plane at the rear end of the workbench 51.

[0041] Preferably, the elastic component 54 is a spring sheet.

[0042] When in use, the workbench 51 is stuck on the mandibular molar posterior pad, the elastic component 54 is pressed against the maxillary molar posterior pad, the front baffle 52 and the rear baffle 53 can limit the forward and backward movement of the device fixing part 5, and the elastic component 54 can provide pressure to the workbench 51, so that the workbench 51 and the mandibular molar posterior pad are more closely fitted, so that the device fixing part 5 is more stably set between the upper and lower molar posterior pads.

[0043] The elevation angle adjustment hole 411 is connected to the adjustment shaft 34, and the deflection angle adjustment block 42 is connected to the connecting hole 56; the elevation angle of the traction member 1 can be adjusted by rotating the adjustment shaft 34 in the elevation angle adjustment hole 411; the deflection angle of the traction member 1 can be adjusted by rotating the deflection angle adjustment block 42 in the connecting hole 56.

[0044] When in use, the control rod 31 is rotated with the axis of the adjustment shaft 34 as the rotation center, so that the adjustment shaft 34 connected to the control rod 31 rotates in the elevation adjustment hole 411, and the elevation adjustment can be completed; the control rod 31 is rotated with the axis of the deflection adjustment block 42 as the rotation center, and the adjustment shaft 34 connected to the control rod 31 drives the deflection adjustment block 42 to rotate in the connecting hole 56, and the deflection adjustment can be completed.

[0045] Preferably, a plurality of elastic protrusion structures 311 are provided on the control rod 31 , and a limiting hole 331 is provided inside the sliding sleeve 33 . The elastic protrusion structures 311 cooperate with the limiting hole 331 to limit the position of the sliding sleeve 33 on the control rod 31 .

[0046] Preferably, the elastic protrusion structure 311 is a ball-head plunger structure.

[0047] When the sliding sleeve 33 moves on the control rod 31, the inner wall of the sliding sleeve 33 squeezes the elastic protrusion structure 311, and the elastic protrusion structure 311 is compressed; when the elastic protrusion structure 311 coincides with the position of the limiting hole 331 of the sliding sleeve 33, the elastic protrusion structure 311 is embedded in the limiting hole 331 under the action of elastic force, thereby realizing the fixed distance adjustment of the traction depth.

[0048] Similarly, a plurality of elastic protrusion structures 311 are provided along the outer diameter circumferential direction of the adjustment shaft 34 and the angle adjustment block 42, and a plurality of limiting holes 331 are provided along the inner diameter circumferential direction of the elevation adjustment hole 411 and the connecting hole 56; the elastic protrusion structure 311 cooperates with the limiting hole 331 to limit the rotation angle.

[0049] Taking the elevation adjustment as an example, when in use, the control rod 31 is rotated with the axis of the adjustment shaft 34 as the rotation center, and the adjustment shaft 34 connected to the control rod 31 rotates in the elevation adjustment hole 411. When it rotates to a certain angle, the elastic protrusion structure 311 on the adjustment shaft 34 is embedded in the limit hole 331 set on the elevation adjustment hole 411 under the action of elastic force, and the elevation adjustment and limit can be completed. If the elevation needs to be readjusted, the control rod 31 is rotated continuously, and the inner wall of the elevation adjustment hole 411 squeezes the elastic protrusion structure 311, and the elastic protrusion structure 311 is compressed. When it rotates to the next limit hole 331, the elastic protrusion structure 311 rebounds and embeds in the limit hole 331, and the new elevation can be limited.

[0050] Through the cooperation of the traction member 1, the angle adjuster 4 and the operating handle 3, the catheter fixed on the catheter fixing head 2 can be guided to a suitable position in the mouth, and the arrangement of the device fixing part 5 can prevent the catheter from moving under the reaction force of the liquid when flushing the wound or cleaning the oral cavity. The present invention has the effect of guiding and fixing when the catheter is arranged through the mouth.

[0051] The above embodiments are only used to illustrate the present invention and are not intended to limit the technical solutions described in the present invention. Although the present invention has been described in detail with reference to the above embodiments, the present invention is not limited to the above specific implementation methods. Therefore, any modification or equivalent replacement of the present invention; and all technical solutions and improvements thereof that do not depart from the spirit and scope of the invention are included in the scope of the claims of the present invention.

Claims

1. A guide and fixation device for an oral catheter of an intermaxillary fixation patient, characterized in that: The invention at least comprises a traction member, a catheter fixing head, an operating handle, an angle adjuster and a device fixing part; one end of the traction member is connected to the catheter fixing head, and the traction member is used to pull the catheter fixing head into the mouth; the catheter fixing head is used to fix the catheter to be set through the mouth, and the other end of the traction member is connected to the operating handle; the operating handle cooperates with the angle adjuster, so that the operating handle controls the traction member to extend into the mouth along a certain angle; the angle adjuster is connected to the device fixing part, and the device fixing part is set on the retromolar pad.

2. The guide and fixation device for an oral catheter for an intermaxillary fixation patient as claimed in claim 1, characterized in that: The traction member is a telescopic structure, and the traction member at least includes a plurality of connecting rods. After the connecting rods are crossed in pairs, they are connected by a center pin to form a plurality of cross structures. The plurality of cross structures are connected by end pins to form a telescopic connecting rod structure, and adjacent connecting rods can rotate relative to each other.

3. The guiding and fixing device for the oral catheter of the intermaxillary fixation patient according to claim 2, characterized in that: The catheter fixing head at least includes a catheter connecting part and a traction connecting part, and the traction connecting part is arranged below the catheter connecting part; the catheter connecting part at least includes a clamping groove, and the clamping groove is arranged as a conical groove, one end of the traction connecting part is provided with a slide groove, and the other end of the traction connecting part is provided with a joint, and a slider is provided in the slide groove, and the slider can slide along the slide groove; the traction member is respectively connected to the joint and the slider.

4. The guiding and fixing device for the oral catheter of the intermaxillary fixation patient according to claim 3, characterized in that: The operating handle at least includes a control rod, a fixed head, a sliding sleeve and an adjusting shaft; the control rod is a square rod, the fixed head is arranged on the control rod, the sliding sleeve is sleeved on the control rod and can slide along the control rod; the traction member is respectively connected to the fixed head and the sliding sleeve; the adjusting shaft is arranged at the end of the control rod, and the adjusting shaft is connected to the angle adjuster.

5. The guide and fixation device for an oral catheter for an intermaxillary fixation patient as claimed in claim 4, characterized in that: The angle adjuster at least includes an elevation adjustment block, a deflection adjustment block and a connecting plate; the connecting plate is used to connect the elevation adjustment block and the deflection adjustment block; the elevation adjustment block is vertically arranged on the connecting plate, an elevation adjustment hole is arranged on the elevation adjustment block, and the deflection adjustment block is columnar and vertically arranged on the connecting plate.

6. The guiding and fixing device for the oral catheter of the patient with intermaxillary fixation according to claim 5, characterized in that: The device fixing part at least includes a workbench, a front baffle is arranged below the front end of the workbench, a rear baffle is arranged below the rear end of the workbench, support plates are arranged on the left and right sides above the front end of the workbench, an elastic component is arranged on the top of the support plate, and the elastic component has a certain elevation angle relative to the plane of the workbench; a connecting hole is arranged on the extension plane at the rear end of the workbench.

7. The guide and fixation device for an oral catheter for an intermaxillary fixation patient according to claim 6, characterized in that: The elevation angle adjustment hole is connected to the adjustment shaft, and the deflection angle adjustment block is connected to the connection hole.

8. The guide and fixation device for an oral catheter for an intermaxillary fixation patient according to claim 7, characterized in that: A plurality of elastic protrusion structures are also arranged on the control rod, and a limiting hole is arranged on the inner side of the sliding sleeve. The elastic protrusion structure cooperates with the limiting hole to limit the position of the sliding sleeve.

9. The guide and fixation device for an oral catheter for an intermaxillary fixation patient according to claim 8, characterized in that: A plurality of elastic protrusion structures are also arranged on the adjustment shaft and the angle adjustment block along the outer diameter circumferential direction, and a plurality of limiting holes are also arranged on the elevation adjustment hole and the connecting hole along the inner diameter circumferential direction; the elastic protrusion structure cooperates with the limiting hole to limit the rotation angle.

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