Bite block suitable for bronchofiberscope to guide tracheal intubation

Abstract

The utility model discloses a bite block suitable for bronchofiberscope to guide tracheal intubation, which relates to the technical field of medical instruments and comprises a bite block outer plate, a guide hole is arranged in the middle of the bite block outer plate, and a bronchofiberscope tube can penetrate through the guide hole; a connecting pipe is fixedly arranged on the rear end surface of the bite block outer plate at the guide hole; a bite block inner plate is arranged at one end, far away from the bite block outer plate, of the connecting pipe; a fixing groove is formed between the bite block outer plate and the bite block inner plate; a clamping structure capable of changing the clamping hole diameter of the guide hole is arranged on the inner wall of the guide hole. The guide hole is formed in the center of the bite block outer plate, and the clamping structure capable of changing the clamping hole diameter of the guide hole is arranged on the inner wall of the guide hole, so that the guide hole can adapt to clamping of tracheal catheters with different thicknesses, the intubation speed and accuracy are improved, and it is guaranteed that the positions of the tracheal catheters are fixed; and meanwhile, complications such as discomfort of a patient and bite of a bronchofiberscope tube in the operation process are reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of medical instruments, in particular to a dental pad suitable for endotracheal intubation guided by a fiberbronchoscope. Background Art

[0002] With the rapid development of science and technology and the continuous improvement of medical and health care, airway management technology in the field of anesthesiology has also made significant progress. Especially in clinical anesthesia and emergency medicine, airway management is a key link in maintaining patient life. However, even so, traditional airway management tools still have certain limitations and risks when dealing with emergencies or difficult airways. For example, in the face of predictable difficult airways, although awake bronchoscope-guided tracheal intubation provides an effective strategy for dealing with difficult airways, it has problems such as high difficulty in operation, high skill requirements for operators, and the possibility of patients biting the bronchoscope tube. In current clinical practice, the challenges of bronchoscope-guided tracheal intubation mainly include ensuring that the bronchoscope is quickly and accurately inserted into the glottis along the median path, smoothly delivering the tracheal tube, and quickly fixing the tube after intubation. In the face of these challenges, we seek to develop more advanced, safer and easy-to-operate intubation aids to improve the safety and comfort of patients and enhance the operational efficiency of anesthesiologists.

[0003] Although the existing patent CN219048875U discloses a new type of dental pad, with an endoscope insertion hole in the middle of the dental pad body and a special insertion hole for fixing the tracheal tube on the side, the multi-hole design may increase the complexity of the tracheal intubation operation guided by the fiberoptic bronchoscope, and the size of the endoscope hole is fixed, which may limit the movement range of the tracheal tube and the fiberoptic bronchoscope, and cannot adapt to the fixation of tracheal tubes of different thicknesses, and increase the intubation time.

[0004] For this purpose, the utility model designs and applies a dental pad suitable for endotracheal intubation guided by a fiberbronchoscope. Utility Model Content

[0005] The utility model aims to provide a dental pad suitable for endotracheal intubation guided by a fiberbronchoscope, so as to solve the problems raised in the above-mentioned background technology.

[0006] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0007] A bite pad suitable for bronchoscopically guided tracheal intubation comprises a bite pad outer plate, a guide hole is provided in the middle of the bite pad outer plate for the bronchoscopic tube to pass through; a connecting tube is fixedly provided on the rear end face of the bite pad outer plate at the guide hole, and a bite pad inner plate is provided at one end of the connecting tube away from the bite pad outer plate; a fixing groove is formed between the bite pad outer plate and the bite pad inner plate, and when in use, the upper and lower incisors are respectively located in the fixing groove to fix the bite pad as a whole; a clamping structure capable of changing the clamping aperture of the guide hole is provided on the inner wall of the guide hole, and a driving knob for driving the expansion of the clamping structure is provided on the front side of the bite pad outer plate.

[0008] As a further improvement of the above scheme, the clamping structure includes a symmetrically arranged arc-shaped clamping plate, an L-shaped plate is provided on the back of the arc-shaped clamping plate, and the other end of the L-shaped plate passes through the hole wall of the guide hole and is slidably arranged therewith; a long sliding rod and two short sliding rods are provided on one side of the inner cavity of the outer plate of the tooth pad, and the two ends of the long sliding rod are respectively fixedly connected to the top and bottom of the inner cavity, and the two short sliding rods are respectively fixedly connected to the top and top of the inner cavity; the ends of the two L-shaped plates are both slidably sleeved on the long sliding rod, and the middle parts of the two L-shaped plates are respectively sleeved on the two short sliding rods; the long sliding rod is located between the L-shaped plate and the inner cavity wall, and the short sliding rod is located between the L-shaped plate and the inner cavity wall, and both are sleeved with a spring;

[0009] Under the action of spring 1, the two L-shaped plates drive the two arc-shaped clamping plates to move closer to each other, thereby clamping the fiberoptic bronchoscope tube.

[0010] As a further improvement of the above scheme, a gear is also provided in the inner cavity of the outer plate of the tooth pad, and the rotating shaft of the gear is rotatably connected to the front and rear walls of the inner cavity. The driving knob is connected to one end of the rotating shaft and can drive the gear to rotate; the first tooth plate and the second tooth plate are respectively provided on the opposite surfaces of the two L-shaped plates, and the first tooth plate and the second tooth plate are located on both sides of the gear and are meshed with the gear for transmission.

[0011] As a further improvement of the above solution, both ends of the outer plate of the bite pad are through holes for connecting straps; the straps on both sides are tightened around the patient's neck to fix the outer plate of the bite pad in the middle of the mouth.

[0012] As a further improvement of the above solution, the outer plate and the inner plate of the tooth pad are both curved plates so as to better fit the curvature of the patient's teeth.

[0013] Compared with the prior art, the beneficial effects of the utility model are:

[0014] 1. The utility model provides a tooth pad suitable for endotracheal intubation guided by a fiberbronchoscope. A guide hole is arranged in the middle of an outer plate of the tooth pad, and a clamping structure capable of changing the clamping aperture of the guide hole is arranged on the inner wall of the guide hole, so that the guide hole can adapt to the clamping of endotracheal tubes of different thicknesses, so as to improve the speed and accuracy of intubation, ensure the fixation of the position of the endotracheal tube, and reduce the risk of complications such as patient discomfort and biting of the fiberbronchoscope tube during operation.

[0015] 2. The utility model drives the opening of two arc-shaped splints by driving a knob, and the arc-shaped splints automatically clamp the tracheal tube by the elastic force of a spring, and the operation and fixation are convenient and simple. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 The present invention is a structural schematic diagram of a dental pad suitable for endotracheal intubation guided by a fiberbronchoscope.

[0017] Figure 2 This is a rear view of a dental pad suitable for bronchoscopically guided endotracheal intubation.

[0018] Figure 3 The internal view of a dental pad suitable for bronchofiberoscope-guided endotracheal intubation.

[0019] Figure 4 for Figure 3 Schematic diagram of the enlarged structure of A.

[0020] Figure 5 The present invention is a connection diagram of a driving knob of a teeth pad suitable for endotracheal intubation guided by a fiberbronchoscope.

[0021] Figure 6 for Figure 5 Schematic diagram of the enlarged structure of B.

[0022] In the figure: 1. Tooth pad outer plate; 2. Guide hole; 3. Through hole; 4. Tooth pad inner plate; 5. Arc clamping plate; 6. Driving knob; 7. L-shaped plate; 8. Short slide bar; 9. Spring 1; 10. Long slide bar; 11. First tooth plate; 12. Gear; 13. Second tooth plate; 14. Rotating shaft; 15. Limiting rod; 16. Spring 2; 17. Limiting hole; 101. Connecting pipe. DETAILED DESCRIPTION

[0023] The technical solution of this patent is further described in detail below in conjunction with specific implementation methods.

[0024] Example, see Figure 1-Figure 6A tooth pad suitable for bronchoscopically guided tracheal intubation comprises a tooth pad outer plate 1, a guide hole 2 is provided in the middle of the tooth pad outer plate 1 for the bronchoscopic tube to pass through; a connecting tube 101 is fixedly provided on the rear end surface of the tooth pad outer plate 1 at the guide hole 2, and a tooth pad inner plate 4 is provided at the end of the connecting tube 101 away from the tooth pad outer plate 1; a fixing groove is formed between the tooth pad outer plate 1 and the tooth pad inner plate 4, and when in use, the upper and lower front teeth are respectively located in the fixing grooves to fix the tooth pad as a whole; the tooth pad outer plate 1 and the tooth pad inner plate 4 are both curved plates to make them more closely fit the curvature of the patient's teeth; a clamping structure that can change the clamping aperture of the guide hole 2 is provided on the inner wall of the guide hole 2, and a driving knob 6 for driving the expansion of the clamping structure is provided on the front side of the tooth pad outer plate 1.

[0025] The clamping structure includes a symmetrically arranged arc-shaped clamping plate 5, an L-shaped plate 7 is arranged on the back of the arc-shaped clamping plate 5, and the other end of the L-shaped plate 7 passes through the hole wall of the guide hole 2 and is slidably arranged therewith; a long sliding rod 10 and two short sliding rods 8 are arranged on one side of the inner cavity of the outer plate 1 of the tooth pad, and the two ends of the long sliding rod 10 are respectively fixedly connected to the top and bottom of the inner cavity, and the two short sliding rods 8 are respectively fixedly connected to the top and top of the inner cavity; the ends of the two L-shaped plates 7 are slidably sleeved on the long sliding rod 10, and the middle parts of the two L-shaped plates 7 are respectively sleeved on the two short sliding rods 8; the long sliding rod 10 is located between the L-shaped plate 7 and the inner cavity wall, and the short sliding rod 8 is located between the L-shaped plate 7 and the inner cavity wall, and both are sleeved with a spring 9;

[0026] Under the action of spring 1 9, the two L-shaped plates 7 drive the two arc-shaped clamping plates 5 to move closer to each other, thereby clamping the tracheal tube.

[0027] A gear 12 is also provided in the inner cavity of the outer plate 1 of the tooth pad, and a rotating shaft 14 of the gear 12 is rotatably connected to the front and rear walls of the inner cavity. The driving knob 6 is connected to one end of the rotating shaft 14 and can drive the gear 12 to rotate; a first tooth plate 11 and a second tooth plate 13 are respectively provided on the opposite surfaces of the two L-shaped plates 7, and the first tooth plate 11 and the second tooth plate 13 are located on both sides of the gear 12 and are meshed with the gear 12 for transmission.

[0028] The interior of the driving knob 6 is hollow, the outer end of the rotating shaft 14 is square-shaped and inserted into the inner cavity of the driving knob 6, and a spring 16 is sleeved on the outer side of the rotating shaft 14 located inside the driving knob 6. One end of the spring 16 abuts against the end cap of the rotating shaft 14, and the other end abuts against the inner wall of the driving knob 6. Figure 6 As shown; a limiting rod 15 is provided on one side of the driving knob 6 close to the outer plate 1 of the bite pad, and a plurality of limiting holes 17 are provided on the outer wall of the outer plate 1 of the bite pad. When the driving knob 6 needs to be rotated, the driving knob 6 is pulled outward so that the limiting rod 15 is disengaged from the limiting hole 17, and it can be driven to rotate; when the hand is released, the driving knob 6 is acted upon by the spring 16 so that the limiting rod 15 is inserted into the limiting hole 17 for fixation.

[0029] Both ends of the outer plate 1 of the dental pad are through holes 3 for connecting straps; the straps on both sides are tightened around the patient's neck to fix the outer plate 1 of the dental pad in the middle of the oral cavity.

[0030] Working principle of the utility model: The utility model provides a tooth pad suitable for bronchoscope-guided tracheal intubation. By setting a guide hole 2 in the middle of the tooth pad outer plate 1, and setting a clamping structure that can change the clamping aperture of the guide hole 2 on the inner wall of the guide hole 2, the guide hole 2 can adapt to the clamping of tracheal tubes of different thicknesses; when in use, first fix the tooth pad outer plate 1 in the middle of the front teeth, and the upper and lower front teeth bite the fixing groove between the tooth pad outer plate 1 and the tooth pad inner plate 4 to fix it, insert the bronchoscope tube into the tracheal tube, and pull out The driving knob 6 is turned clockwise and then released. The limiting rod 15 is inserted into the limiting hole 17 to fix the two arc-shaped splints 5 so that the two arc-shaped splints 5 are moved away from each other. The bronchoscope tube and the tracheal tube are then inserted from the guide hole 2. After the bronchoscope tube is inserted to the specified position, the bronchoscope tube is pulled out to keep the tracheal tube in the patient's body. The driving knob 6 is then pulled out to rotate it counterclockwise. The two arc-shaped splints 5 clamp the tracheal tube under the action of the spring 9 and then released. The limiting rod 15 is inserted into the limiting hole 17 to fix the tracheal tube.

Claims

1. A dental pad suitable for endotracheal intubation guided by a fiberoptic bronchoscope, characterized in that: The invention comprises a tooth pad outer plate (1), wherein a guide hole (2) is provided in the middle of the tooth pad outer plate (1) for passing a fiberoptic bronchoscope tube; a connecting tube (101) is fixedly provided on the rear end surface of the tooth pad outer plate (1) at the guide hole (2), and a tooth pad inner plate (4) is provided at one end of the connecting tube (101) away from the tooth pad outer plate (1); a fixing groove is formed between the tooth pad outer plate (1) and the tooth pad inner plate (4), and when in use, the upper and lower front teeth are respectively located in the fixing groove to fix the tooth pad as a whole; a clamping structure capable of changing the clamping aperture of the guide hole (2) is provided on the inner wall of the guide hole (2), and a driving knob (6) for driving the expansion of the clamping structure is provided on the front side of the tooth pad outer plate (1).

2. A dental pad suitable for endotracheal intubation guided by a fiberbronchoscope according to claim 1, characterized in that: The clamping structure comprises a symmetrically arranged arc-shaped clamping plate (5), the back side of which is provided with an L-shaped plate (7), the other end of which passes through the hole wall of the guide hole (2) and is slidably arranged therewith; a long sliding rod (10) and two short sliding rods (8) are arranged on one side of the inner cavity of the outer plate (1) of the tooth pad, the two ends of the long sliding rod (10) are respectively fixedly connected to the top and bottom of the inner cavity, and the two short sliding rods (8) are respectively fixedly connected to the top and top of the inner cavity; the ends of the two L-shaped plates (7) are both slidably mounted on the long sliding rod (10), and the middle parts of the two L-shaped plates (7) are respectively mounted on the two short sliding rods (8); the long sliding rod (10) is located between the L-shaped plate (7) and the inner cavity wall, and the short sliding rod (8) is located between the L-shaped plate (7) and the inner cavity wall, and both are mounted with a spring (9).

3. A mouthpiece suitable for endotracheal intubation guided by fiberbronchoscope according to claim 2, characterized in that: A gear (12) is also provided in the inner cavity of the tooth pad outer plate (1), and the rotating shaft of the gear (12) is rotatably connected to the front and rear walls of the inner cavity. The driving knob (6) is connected to one end of the rotating shaft and can drive the gear (12) to rotate. A first tooth plate (11) and a second tooth plate (13) are respectively provided on the opposite surfaces of the two L-shaped plates (7), and the first tooth plate (11) and the second tooth plate (13) are located on both sides of the gear (12) and are meshed with the gear (12) for transmission.

4. A dental pad suitable for endotracheal intubation guided by a fiberbronchoscope according to claim 1, characterized in that: Both ends of the tooth pad outer plate (1) are through holes (3) for connecting binding straps.

5. The mouthpiece for endotracheal intubation guided by bronchoscopy according to claim 1, characterized in that: The tooth pad outer plate (1) and the tooth pad inner plate (4) are both curved plates, so that they can better fit the curvature of the patient's teeth.

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