A guiding and fixing device for an oral catheter of a patient with intermaxillary fixation

Abstract

The present invention belongs to the field of medical devices and relates to a guiding and fixing device for an oral catheter of a patient with intermaxillary fixation. The guiding and fixing device at least comprises a traction member, a catheter fixing head, an operating handle, an angle adjuster and a device fixing part; the traction member is used for pulling the catheter fixing head into the mouth, the catheter fixing head is used for fixing the catheter to be arranged through the mouth, the operating handle cooperates with the angle adjuster to enable the operating handle to control the traction member to extend into the mouth at a certain angle, the angle adjuster is connected to the device fixing part, and the device fixing part is arranged on the retromolar pad. The present invention can effectively solve the problems that the position of the catheter cannot be determined and the catheter cannot be fixed during the process of setting the catheter through the mouth for a patient with intermaxillary fixation.

Description

Technical Field

[0001] The present invention belongs to the field of medical devices, and relates to a guiding and fixing device, in particular to a guiding and fixing device for an oral catheter of a patient with intermaxillary fixation. Background Art

[0002] A patient with intermaxillary fixation refers to a patient who undergoes intermaxillary fixation treatment. The intermaxillary fixation treatment is a treatment method for fixing the positions of the upper and lower jaws by physical means, and is commonly 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] Since the patient needs to fix the positions of the upper and lower jaws, there will be a characteristic of difficulty in opening and closing the mouth during the recovery period. For the care of specific positions in the mouth, it is necessary to perform oral intubation.

[0004] Currently, the method for inserting an oral catheter for a patient with intermaxillary fixation is as follows: A 45-degree inclined plane is cut at the front end of the catheter. When in use, the inclined plane end is inserted into the oral cavity through the gap between the two molar pads.

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

[0006] Currently, when performing oral intubation, the following main problems exist:

[0007] 1. The path of the catheter after entering the oral cavity through the molar pads is not straight, making it difficult to set the catheter;

[0008] 2. Since the catheter is relatively soft, the catheter placed by the doctor may be above the tongue, below the tongue body, or even on the pharyngeal side wall of the patient, resulting in the doctor being unable to accurately control the insertion position of the catheter;

[0009] 3. The placed catheter cannot be fixed. If the patient does not cooperate or is not careful during the operation process, the placed catheter may be removed or pulled out;

[0010] 4. Even if the catheter is accurately inserted into the predetermined position, during subsequent use, such as when irrigating the wound or the oral cavity, under the reaction force of the liquid, the position of the catheter is likely to move uncontrollably, thereby affecting the nursing effect. Summary of the Invention

[0011] The purpose of the present invention is: Aiming at the problems that in the process of setting the oral catheter for patients with intermaxillary fixation at present, the existing setting method will have the problems that the position of the catheter in the oral cavity cannot be determined and the catheter cannot be fixed, the present invention proposes a guiding and fixing device for an oral catheter of a patient with intermaxillary fixation.

[0012] To achieve the above-mentioned invention object, the present invention provides the following technical solutions:

[0013] A guiding and fixing device for an oral catheter of a patient with intermaxillary fixation, at least comprising 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 traction the catheter fixing head into the mouth; the catheter fixing head is used to fix the catheter that needs 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 to enable the operating handle to control the traction member to extend into the mouth at a certain angle; the angle adjuster is connected to the device fixing part, and the device fixing part is arranged on the retromolar pad.

[0014] Wherein, the traction member is a telescopic structure, the traction member at least comprises a plurality of connecting rods, after the connecting rods cross each other in pairs, they are connected by a central pin to form a plurality of cross structures, and 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.

[0015] Further, the catheter fixing head at least comprises a catheter connecting part and a traction connecting part, the traction connecting part is arranged below the catheter connecting part; the catheter connecting part at least comprises a clamping groove, the clamping groove is arranged as a conical groove, one end of the traction connecting part is provided with a sliding groove, the other end of the traction connecting part is provided with a joint, a sliding block is arranged in the sliding groove, and the sliding block can slide along the sliding groove; the traction member is respectively connected to the joint and the sliding block.

[0016] Further, the operating handle at least comprises a control rod, a fixing head, a sliding sleeve and an adjusting shaft; the control rod is a square rod, the fixing 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 fixing 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.

[0017] Further, the angle adjuster at least comprises an elevation adjustment block, a deflection adjustment block and a connecting disk; the connecting disk is used to connect the elevation adjustment block and the deflection adjustment block; the elevation adjustment block is vertically arranged on the connecting disk, an elevation adjustment hole is arranged on the elevation adjustment block, and the deflection adjustment block is vertically arranged on the connecting disk in a columnar shape.

[0018] Furthermore, 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 member is arranged on the top of the support plates, and the elastic member has a certain elevation angle relative to the workbench plane; a connection hole is arranged on the extended plane at the rear end of the workbench.

[0019] Furthermore, the elevation angle adjustment hole is connected to the adjustment shaft, and the deflection angle adjustment block is connected to the connection hole.

[0020] Furthermore, a number of elastic protrusion structures are also arranged on the control rod, a limiting hole is arranged inside the sliding sleeve, and the elastic protrusion structures cooperate with the limiting hole to limit the position of the sliding sleeve.

[0021] Furthermore, a number of elastic protrusion structures are also arranged on the outer diameter circumference of the adjustment shaft and the deflection angle adjustment block, and a number of limiting holes are arranged on the inner diameter circumference of the elevation angle adjustment hole and the connection hole; the elastic protrusion structures cooperate with the limiting holes to limit the rotation angle.

[0022] Compared with the prior art, the beneficial effects of the present invention are as follows:

[0023] 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.

[0024] 2. The operating handle adjusts the telescopic length of the traction member by adjusting the distance between the adjusting fixed head and the sliding sleeve, thereby achieving the effect of adjustable traction depth.

[0025] 3. By adjusting the rotation angle of the adjustment shaft in the elevation angle adjustment hole, the elevation angle of the traction member can be adjusted; by adjusting the rotation angle of the deflection angle adjustment block in the connection hole, the deflection angle of the traction member can be adjusted.

[0026] 4. When the positions of the elastic protrusion structures and the limiting holes coincide, the elastic protrusion structures are embedded in the limiting holes under the action of elastic force, and the limiting can be completed.

[0027] 5. The front baffle and the rear baffle can limit the forward and backward movement of the device fixing part, and the elastic member can provide pressure to the workbench, making the workbench fit more closely with the posterior mandibular molar pad, so that the device fixing part is more stably arranged between the posterior molar pads of the upper and lower jaws.

[0028] 6. In the long-term practice process, the inventor found that the catheter set orally has problems such as the position in the mouth being unable to be determined and unable to be fixed. Through the settings of the traction member, the angle adjuster, and the operating handle, the present invention can effectively solve the problem that the position of the catheter in the mouth cannot be determined; at the same time, the settings of the catheter fixing head and the device fixing part can prevent the catheter from moving under the reaction force of the liquid when flushing the wound or cleaning the oral cavity, thereby solving the problem that the catheter cannot be fixed. BRIEF DESCRIPTION OF THE DRAWINGS

[0029] Figure 1 is the overall structural schematic diagram of the guiding and fixing device;

[0030] Figure 2 is the structural schematic diagram of the traction member;

[0031] Figure 3 is the structural schematic diagram of the connection between the catheter fixing head and a part of the traction member;

[0032] Figure 4 is the enlarged partial structural schematic diagram of the connection between the operating handle and a part of the traction member;

[0033] Figure 5 is the structural schematic diagram of the sliding sleeve;

[0034] Figure 6 is the structural schematic diagram of the angle adjuster;

[0035] Figure 7 is the enlarged partial sectional structural schematic diagram of the connection between the angle adjuster, the operating handle and the device fixing part;

[0036] Figure 8 is the structural schematic diagram of the connection between the guiding and fixing device and the angle adjuster.

[0037] Among them, the meanings of the reference symbols in the figures are as follows:

[0038] 1. Traction member; 11. Connecting rod; 12. End pin; 13. Central pin; 2. Catheter fixing head; 21. Catheter connecting part; 22. Traction connecting part; 211. Card slot; 221. Slide groove; 222. Slide block; 223. Connector;

[0039] 3. Operating handle; 31. Control rod; 311. Elastic convex structure; 32. Fixed head; 33. Sliding sleeve; 331. Limit hole; 34. Adjusting shaft;

[0040] 4. Angle adjuster; 41. Elevation angle adjusting block; 411. Elevation angle adjusting hole; 42. Azimuth angle adjusting block; 43. Connection disk;

[0041] 5. Device fixing part; 51. Workbench; 52. Front baffle; 53. Rear baffle; 54. Elastic member; 55. Support plate; 56. Connecting hole. Detailed implementation manners

[0042] To make the objectives, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are some, but not all, of the embodiments of the present invention.

[0043] Therefore, the following detailed description of the embodiments of the present invention is not intended to limit the scope of the claimed invention, but merely represents some embodiments of the present invention. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present invention without creative efforts shall fall within the scope of protection of the present invention.

[0044] It should be noted that, without conflict, the embodiments in the present invention and the features and technical solutions in the embodiments may be combined with each other.

[0045] It should be noted that like reference numerals and letters denote like items in the following drawings. Therefore, once an item is defined in one drawing, it does not need to be further defined and explained in subsequent drawings.

[0046] 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 inventive product is usually placed during 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 thus should not be construed as limiting the present invention. In addition, the terms "first", "second", etc. are only used for descriptive distinction and should not be construed as indicating or implying relative importance.

[0047] As shown in the attached Figure 1 - attached Figure 8As shown in the figure, this embodiment is a guiding and fixing device for an oral catheter of an intermaxillary fixation patient. The guiding and fixing device at least includes 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 that needs 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 to enable the operating handle 3 to control the traction member 1 to extend into the mouth at a certain angle. The angle adjuster 4 is connected to the device fixing portion 5, and the device fixing portion 5 is arranged on the retromolar pad. The device fixing portion 5 is used to prevent the guiding and fixing device from shifting and falling off in the mouth during the operation process.

[0048] Through cooperation with the angle adjuster 4, the operating handle 3 can enable the catheter connected to the catheter fixing head 2 to enter the mouth at a certain angle under the traction of the traction member 1.

[0049] Preferably, the traction member 1 is a telescopic structure. The traction member 1 at least includes a plurality of connecting rods 11. After the connecting rods 11 cross each other in pairs, they are connected by a central 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.

[0050] During use, through the relative rotation between the connecting rods, the telescopic connecting rod structure can realize the functions of extension and contraction, and further realize the traction of the traction member 1.

[0051] 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, and the traction connecting portion 22 is used to connect the traction member 1. The traction connecting portion 22 is arranged below the catheter connecting portion 21.

[0052] Preferably, the catheter connecting portion 21 at least includes a card slot 211. The card slot 211 is set as a tapered slot. During use, the catheter can be fixed by clamping it in the tapered slot.

[0053] Preferably, one end of the traction connecting portion 22 is provided with a sliding groove 221, the other end of the traction connecting portion 22 is provided with a joint 223, a sliding block 222 is arranged in the sliding groove 221, and the sliding block 222 can slide along the sliding groove 221. The traction member 1 is connected to the joint 223 and the sliding block 222 respectively through a pin hole structure.

[0054] 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.

[0055] During 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 the effect of adjustable traction depth.

[0056] Preferably, the adjusting 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 adjusting shaft 34. The angle adjuster 4 at least includes an elevation adjustment block 41, an angular deflection adjustment block 42, and a connecting plate 43; the connecting plate 43 is used to connect the elevation adjustment block 41 and the angular 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 angular deflection adjustment block 42 is vertically arranged on the connecting plate 43 in a columnar shape; the elevation adjustment block 41 is used to adjust the elevation angle of the inlet of the traction member 1. The angular deflection adjustment block 42 is used to adjust the radial deflection angle when the traction member 1 enters the inlet, and for the convenience of description, the radial deflection angle is simply referred to as the angular deflection.

[0057] Preferably, the device fixing part 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, an elastic member 54 is arranged on the top of the support plates 55, and the elastic member 54 has a certain elevation angle relative to the plane of the workbench 51; a connecting hole 56 is arranged on the extended plane at the rear end of the workbench 51.

[0058] Preferably, the elastic member 54 is a spring piece.

[0059] During use, the workbench 51 is clamped on the posterior mandibular molar cushion, the elastic member 54 presses against the posterior maxillary molar cushion, 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 member 54 can provide pressure to the workbench 51 to make the workbench 51 fit more closely with the posterior mandibular molar cushion, so that the device fixing part 5 is more stably arranged between the posterior molar cushions of the upper and lower jaws.

[0060] The elevation adjustment hole 411 is connected to the adjustment shaft 34, and the declination adjustment block 42 is connected to the connection hole 56. By rotating the adjustment shaft 34 within the elevation adjustment hole 411, the elevation angle of the traction member 1 can be adjusted. By rotating the declination adjustment block 42 within the connection hole 56, the declination angle of the traction member 1 can be adjusted.

[0061] During use, rotate the control rod 31 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 within the elevation adjustment hole 411, and the elevation angle adjustment can be completed. Rotate the control rod 31 with the axis of the declination adjustment block 42 as the rotation center, and the adjustment shaft 34 connected to the control rod 31 drives the declination adjustment block 42 to rotate within the connection hole 56, and the declination angle adjustment can be completed.

[0062] Preferably, a number 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.

[0063] Preferably, the elastic protrusion structure 311 is a ball plunger structure.

[0064] When the sliding sleeve 33 moves on the control rod 31, the inner wall of the sliding sleeve 33 presses the elastic protrusion structure 311, and the elastic protrusion structure 311 is compressed. When the elastic protrusion structure 311 coincides with 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, and the fixed-distance adjustment of the traction depth can be realized.

[0065] Similarly, a number of elastic protrusion structures 311 are also provided on the adjustment shaft 34 and the declination adjustment block 42 along the outer diameter circumferential direction, and a number of limiting holes 331 are also provided on the elevation adjustment hole 411 and the connection hole 56 along the inner diameter circumferential direction. The elastic protrusion structures 311 cooperate with the limiting holes 331 to limit the rotation angle.

[0066] Taking the elevation adjustment as an example, during use, rotate the control rod 31 with the axis of the adjustment shaft 34 as the rotation center, and the adjustment shaft 34 connected to the control rod 31 rotates within the elevation adjustment hole 411. When rotating to a certain angle, the elastic protrusion structure 311 on the adjustment shaft 34 is embedded in the limiting hole 331 provided on the elevation adjustment hole 411 under the action of elastic force, and the elevation adjustment and limitation can be completed. If it is necessary to readjust the elevation angle, continue to rotate the control rod 31. The inner wall of the elevation adjustment hole 411 presses the elastic protrusion structure 311, and the elastic protrusion structure 311 is compressed. When rotating to the next limiting hole 331, the elastic protrusion structure 311 rebounds and is embedded in the limiting hole 331, and the new elevation angle can be limited.

[0067] Through the cooperation of the traction member 1, the angle adjuster 4, and the operating handle 3, the catheter fixed to the catheter fixing head 2 can be guided to a suitable position in the oral cavity. At the same time, the setting 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 setting the catheter through the mouth.

[0068] The above embodiments are only used to illustrate the present invention and do not limit the technical solutions described in the present invention. Although this specification has described the present invention in detail with reference to the above respective embodiments, the present invention is not limited to the above specific embodiments. Therefore, any modification or equivalent replacement of the present invention; and all technical solutions and their improvements that do not depart from the spirit and scope of the invention are covered by the scope of the claims of the present invention.

Claims

1. A guiding and fixing device for an oral catheter of an intermaxillary fixation patient, characterized in that: It at least includes 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, and the catheter fixing head is used to fix the catheter to be set through the mouth; the other end of the traction member is connected to the operating handle; the operating handle cooperates with the angle adjuster to enable the operating handle to control the traction member to extend into the mouth at a certain angle; the angle adjuster is connected to the device fixing part, and the device fixing part is arranged on the retromolar pad. 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, and elastic members are arranged on the tops of the support plates. The elastic members have a certain elevation angle relative to the workbench plane; the workbench is clamped on the retromolar pad of the mandible, and the elastic members press against the retromolar pad of the maxilla. A connection hole is arranged on the extended plane at the rear end of the workbench; the operating handle at least includes a control rod, and an adjustment shaft is arranged at the end of the control rod, and the adjustment shaft is connected to the angle adjuster. The angle adjuster at least includes an elevation angle adjustment block, a declination angle adjustment block, and a connection disk; the connection disk is used to connect the elevation angle adjustment block and the declination angle adjustment block; the elevation angle adjustment block is vertically arranged on the connection disk, an elevation angle adjustment hole is arranged on the elevation angle adjustment block, and the declination angle adjustment block is vertically arranged on the connection disk in a columnar shape. The elevation angle adjustment hole is connected to the adjustment shaft, and the declination angle adjustment block is connected to the connection hole. A number of elastic protrusion structures are also arranged on the adjustment shaft and the declination angle adjustment block along the outer diameter circumference direction, and a number of limiting holes are also arranged on the elevation angle adjustment hole and the connection hole along the inner diameter circumference direction; the elastic protrusion structures cooperate with the limiting holes to limit the rotation angle.

2. The guiding and fixing device for the oral catheter of the patient with intermaxillary fixation according to claim 1, characterized in that: The traction member is a telescopic structure. The traction member at least includes a plurality of connecting rods. After the connecting rods cross each other in pairs, they are connected by a central 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 the adjacent connecting rods can rotate relative to each other.

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

4. The guiding and fixing device for the oral catheter of the patient with intermaxillary fixation according to claim 3, wherein: The operating handle at least further includes a fixing head and a sliding sleeve; the control rod is a square rod, the fixing head is arranged on the control rod, and the sliding sleeve is sleeved on the control rod and can slide along the control rod; the traction member is respectively connected to the fixing head and the sliding sleeve.

5. The guiding and fixing device for the oral catheter of the patient with intermaxillary fixation according to claim 4, wherein: A number of elastic protrusion structures are further provided on the control rod, and a limiting hole is provided inside the sliding sleeve. The elastic protrusion structures cooperate with the limiting hole to limit the position of the sliding sleeve.

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