CN114903417B

CN114903417B - Multifunctional oral cavity inner support and guide equipment

Info

Publication number: CN114903417B
Application number: CN202210844522.4A
Authority: CN
Inventors: 徐懋; 魏滨
Original assignee: Peking University Third Hospital Peking University Third Clinical Medical College
Current assignee: Peking University Third Hospital Peking University Third Clinical Medical College
Priority date: 2022-07-19
Filing date: 2022-07-19
Publication date: 2022-11-01
Anticipated expiration: 2042-07-19
Also published as: CN114903417A

Abstract

The invention relates to a multifunctional intra-oral support and guide device, belongs to the technical field of medical instruments, and solves the problems that an endoscope cannot smoothly pass through an oral cavity and is difficult to process in the prior art. The oral cavity expander comprises an outer assembly and an inner assembly, wherein the outer assembly comprises an oral support, a support shaft and a support rod, the oral support and the support rod are used for expanding an oral cavity, and the inner assembly comprises a support frame and a framework. The multifunctional oral cavity inner support and guide device can be used for opening the oral cavity, relieving obstruction of an upper respiratory tract and establishing a spacious endotracheal intubation channel.

Description

Multifunctional oral cavity inner support and guide equipment

Technical Field

The invention belongs to the technical field of medical instruments, and particularly relates to a multifunctional intra-oral support and guide device.

Background

Endoscopic examination and treatment are widely used in clinical work, such as gastroscopy, transesophageal ultrasound, and fibrobronchoscopy, where the oral cavity is the necessary channel for such examination. However, due to the special condition of the patient (unconsciousness, coma, etc. can not be matched) or the inexperience of the operator, the endoscope can not pass through the oral cavity smoothly, which is easy to cause the examination failure and even the accidental injury of the patient.

Airway management is also an important issue that clinicians often need to face.

Airway management is an important component of respiratory support therapy and also an important technical link in the implementation of mechanical ventilation. Management of difficult airways is the most critical issue for emergency, intensive care and anaesthetists, as loss of the patient's airways may lead to brain damage and even death.

Therefore, a multifunctional intraoral support and guide device is urgently needed.

Disclosure of Invention

In view of the foregoing, embodiments of the present invention are directed to a multi-functional intraoral support and guide apparatus, comprising an outer component and an inner component;

the outer component comprises a mouth support, a support shaft and a support rod;

furthermore, the mouth support comprises a bottom, a first support arm and a second support arm, wherein the first support arm and the second support arm are respectively connected with two ends of the bottom;

one end of the supporting shaft is movably connected with the first supporting arm, the other end of the supporting shaft is movably connected with the second supporting arm, and the supporting shaft is provided with a supporting rod; the mouth support and the support rod are used for supporting the oral cavity;

further, the bottom comprises a first half part, a second half part and a first pin, the first half part is provided with a first pin ring, the second half part is provided with a second pin ring, and the first half part and the second half part can be combined to form the bottom through the first pin, the first pin ring and the second pin ring;

further, interior subassembly includes support frame and skeleton, the lower extreme at the support frame is connected to the skeleton.

Further, the bottom portion, the first arm and the second arm form a first opening portion and a second opening portion.

Further, the support frame is a circular tube which comprises a grid structure, is telescopic in length and adjustable in inner diameter.

Furthermore, an observation window is arranged on the bottom, and a net is arranged in the observation window.

Furthermore, one end of the supporting shaft is provided with a ratchet wheel, and the ratchet wheel is provided with a pawl.

Furthermore, the inner assembly also comprises a traction line, the traction line is arranged on the support frame and the framework, and the traction line enables the support frame and the framework to keep a contraction state; the inner assembly also comprises a handle which is connected with the support frame.

Further, the support frame includes elasticity net and second pin, the elasticity net is equipped with third pin ring and fourth pin ring, can make the crooked cylindrical support frame that forms of elasticity net through second pin, third pin ring and fourth pin ring.

Furthermore, outer subassembly still includes the couple, and the couple setting is on the bottom, the support frame can be colluded to the couple, realizes the connection of interior subassembly and outer subassembly.

Compared with the prior art, the invention can realize at least one of the following beneficial effects:

(1) The oral cavity access can be established under the condition that the lips of the patient are closed, so that the endoscopy and endotracheal intubation are convenient to use;

(2) The patient is prevented from accidentally biting the external equipment, and the external equipment is protected from being scratched by teeth;

(3) The dyspnea caused by the obstruction of the upper respiratory tract is quickly relieved, and a smooth airway is established for a patient;

(4) The risk of establishing a surgical airway is reduced, the probability of an emergency surgical airway is reduced, and the safety of a patient is facilitated;

(5) Establishing an effective suction channel;

(6) Can guide the endoscope to an effective dissection position and improve the success rate of endoscope placement.

In the invention, the technical schemes can be combined with each other to realize more preferable combination schemes. Additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. The objectives and other advantages of the invention may be realized and attained by the structure particularly pointed out in the written description and drawings.

Drawings

The drawings are only for purposes of illustrating particular embodiments and are not to be construed as limiting the invention, wherein like reference numerals are used to designate like parts throughout the drawings;

FIG. 1 is a schematic view of the outer assembly construction;

FIG. 2 is a schematic view of the outer assembly in an expanded configuration;

FIG. 3 is a schematic diagram of the inner assembly in a contracted state;

fig. 4 is a structural diagram of the inner assembly in a release state.

Reference numerals:

1-mouth bracing; 2-supporting the shaft; 3-a support bar; 4-a support frame; 5-a framework; 6-observation window; 7-a net; 8-ratchet wheel; 9-a pawl; 10-a pulling line; 11-a first pin ring; 12-a second pin ring; 13-a first pin; 14-a third pin ring; 15-a fourth pin ring; 16-a second pin; 17-a handle; 101-bottom; 102-a first arm; 103-a second support arm; 104-a first opening; 105-second opening.

Detailed Description

The preferred embodiments of the present invention will now be described in detail with reference to the accompanying drawings, which form a part hereof, and which together with the embodiments of the invention serve to explain the principles of the invention and not to limit its scope.

One embodiment of the present invention, as shown in fig. 1-4, discloses a multifunctional oral cavity internal support and guide device, which comprises an external component and an internal component, wherein the external component comprises a mouth support 1, a support shaft 2 and a support rod 3, the mouth support 1 comprises a bottom 101, a first support arm 102 and a second support arm 103, one end of the support shaft 2 is movably connected with the first support arm 102, the other end of the support shaft 2 is movably connected with the second support arm 103, the first support arm 102 and the second support arm 103 are respectively connected with two ends of the bottom 101, the mouth support 1 and the support shaft 2 form a first opening 104 and a second opening 105, the support rod 3 is arranged on the support shaft 2, the support rod 3 can rotate to open or close the second opening 105, and the mouth support 1 and the support rod 3 can open the oral cavity; the mouth support 1 and the support rod 3 can isolate the contact between external equipment such as an endoscope and teeth, prevent a patient from accidentally biting the external equipment, and protect the external equipment from being scratched by the teeth.

Referring to fig. 3-4, the inner assembly comprises a support frame 4 and a frame 5, wherein the frame 5 is connected to the lower end of the support frame 4.

Preferably, the support frame 4 is a circular tube which comprises a grid structure, is telescopic in length and adjustable in inner diameter, and can be radially extended to abut against the air passage after the support frame 4 is released, so that the grid structure can expose the air passage, and observation, sampling or treatment of the air passage is facilitated; skeleton 5 is woven by elastic fiber and is formed, and 5 openings of skeleton can support throat upper portion, prevent that support frame 4 from to the throat landing, and skeleton 5 forms the hollow blade form to the regional exposure as far as possible of air flue that skeleton 5 supported, be convenient for observe, sample or treatment the air flue.

Referring to fig. 1-2, the mouth support 1 is U-shaped.

Preferably, the mouth brace 1 is used to brace the mouth open and against the patient's tongue.

Preferably, the support shaft 2 is perpendicular to the first arm 102 and the second arm 103. The supporting shaft 2 drives the supporting rod 3 to rotate, the supporting rod 3 is matched with the mouth support 1 to support the mouth, and the supporting rod 3 is used for supporting the upper jaw of a patient.

Preferably, the support shaft 2 is arc-shaped, and the arc-shaped part of the support shaft 2 and the mouth support 1 together form a first opening 104 for forming a passage in the oral cavity for the internal components and the conduit of the external device such as the endoscope to go deep into the oral cavity.

Preferably, the number of the supporting rods is two; preferably, the support rod 3 is arc-shaped to adapt to the curvature of the upper jaw of a human body, so that the contact area between the support rod 3 and the upper jaw is increased, and the damage to the upper jaw is reduced.

Preferably, a gap is left between the two support rods 3 to allow viewing of the maxilla.

Preferably, referring to fig. 1, the bottom 101 is provided with a viewing window 6 for viewing the tongue region.

Preferably, the observation window 6 is internally provided with a net 7, the net 7 is of a grid structure, the tongue can be observed, sampled and treated through gaps of the net 7, the net 7 can also limit the movement of the tongue, the tongue is not allowed to upwards pass through the observation window 6 so as to operate the oral cavity, and external equipment entering the oral cavity is also limited, so that the external equipment cannot downwards pass through the observation window 6, and the tongue is prevented from being injured by the external equipment.

Preferably, referring to fig. 2, one end of the support shaft 2 is provided with a ratchet wheel 8, the ratchet wheel 8 is provided with a pawl 9, the ratchet wheel 8 and the pawl 9 are matched to maintain the tilting angle of the support rod 3 and maintain the support state, and at the moment, the oral cavity is opened by an external component, so that an endoscope and other devices can be conveniently inserted.

Preferably, the bottom part 101 comprises a first half part provided with a first pin ring 11, a second half part provided with a second pin ring 12, and a first pin 13, wherein the first pin 13 is inserted into the first pin ring 11 and the second pin ring 12, and the first half part and the second half part are connected to form the mouth brace 1 in combination.

The external component can prop open the oral cavity so as to insert external equipment such as an endoscope and the like to explore and treat the oral cavity, an airway, even a lung and a stomach, the external component is taken out from the oral cavity under the condition that the external component penetrates through the equipment, the external component is still sleeved on the external equipment at the moment, the first pin 13 is drawn out, the connection between the first pin ring 11 and the second pin ring 12 can be disengaged, the first half part and the second half part are separated, the mouth prop 1 can be divided into two parts, and the external component can be removed from the external equipment under the condition that the external equipment is not required to be taken out from the oral cavity.

Preferably, referring to fig. 3, the inner assembly further comprises a pulling wire 10, the pulling wire 10 is disposed on the support frame 4 and the framework 5, the support frame 4 is pulled by the pulling wire 10 and maintains a radially contracted state, and the framework 5 is pulled by the pulling wire 10 and maintains a furled state.

The diameter of the inner assembly which is contracted radially is smaller than the inner diameter of the air passage, so that the inner assembly can be smoothly placed into the air passage.

Preferably, the inner assembly further comprises a handle 17, the handle 17 is a hollow cylinder for the fiber bronchoscope to pass through, and the handle 17 is connected with the support frame 4.

In use, the fiberoptic bronchoscope is inserted through the handle 17 into the inner assembly up to the framework 5; the framework 5 is aligned to the direction of the air passage, the inner assembly is placed into the air passage, the pulling wire 10 is cut after the positioning by using the fiberbronchoscope, referring to fig. 4, the support frame 4 is radially flicked to prop against the air passage, and the framework 5 flicks outwards to form a horn-shaped opening; after use, the handle 17 and the fiberoptic bronchoscope are removed from the mouth.

Preferably, with reference to fig. 4, the support frame 4 comprises an elastic net provided with a third ring of pins 14 and a fourth ring of pins 15 and a second pin 16, the elastic net being able to be bent by means of the second pin 16, the third ring of pins 14 and the fourth ring of pins 15 to form a cylindrical support frame 4; the support frame 4 can be unfolded into an elastic net by pulling out the second pin 16.

In case the inner assembly is inserted into the external device, the inner assembly is taken out from the airway and the oral cavity, at this time, the inner assembly is still sleeved on the external device, the second pin 16 is drawn out, the connection between the third pin ring 14 and the fourth pin ring 15 can be released, the support frame 4 is unfolded into an elastic net, and the inner assembly can be removed from the external device without taking the external device out of the oral cavity.

Preferably, the elastic net is a plurality of pieces, and the support frame 4 can be decomposed into a plurality of pieces in the air passage after being used, so that the support frame 4 can be conveniently removed from the air passage and the oral cavity, and the damage to the air passage and the oral cavity is reduced.

Preferably, the outer assembly comprises a hook which is arranged on the bottom part 101, and the support frame 4 can be hung on the hook to realize the connection of the inner assembly and the outer assembly, so as to limit the position of the inner assembly, and guide and position the external equipment such as an endoscope.

Compared with the prior art, the oral cavity equipment that this embodiment provided can establish the oral cavity route under the tight circumstances of patient's lips, avoid the unexpected external equipment that bites of patient, protect external equipment to avoid the tooth to draw the damage, be convenient for utilize scope inspection and endotracheal intubation, remove the breathing difficulty that upper respiratory tract obstruction leads to rapidly, establish unobstructed air flue for the patient, reduce the risk of establishing surgery air flue, can reduce the probability of urgent surgery air flue, be more favorable to patient's safety, effectual attraction passageway, can guide endoscope to effectual anatomical position, improve the success rate of placing.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention are included in the scope of the present invention.

Claims

1. A multi-functional intraoral support and guide apparatus comprising an outer component and an inner component;

the outer assembly comprises an oral support (1), a support shaft (2) and a support rod (3);

the mouth support (1) comprises a bottom (101), a first support arm (102) and a second support arm (103), wherein the first support arm (102) and the second support arm (103) are respectively connected with two ends of the bottom (101);

one end of the supporting shaft (2) is movably connected with the first supporting arm (102), the other end of the supporting shaft (2) is movably connected with the second supporting arm (103), and the supporting shaft (2) is provided with a supporting rod (3);

one end of the supporting shaft (2) is provided with a ratchet wheel (8), and the ratchet wheel (8) is provided with a pawl (9);

the mouth support (1) and the support rod (3) are used for supporting the oral cavity;

the bottom (101) comprises a first half part, a second half part and a first pin (13), the first half part is provided with a first pin ring (11), the second half part is provided with a second pin ring (12), and the first half part and the second half part can be combined to form the bottom (101) through the first pin (13), the first pin ring (11) and the second pin ring (12);

the inner assembly comprises a support frame (4), a framework (5) and a traction line (10), the framework (5) is connected to the lower end of the support frame (4), the traction line (10) is arranged on the support frame (4) and the framework (5), and the traction line (10) enables the support frame (4) and the framework (5) to keep a contraction state;

the supporting frame (4) comprises an elastic net and a second pin (16), the elastic net is provided with a third pin ring (14) and a fourth pin ring (15), and the elastic net can be bent to form the cylindrical supporting frame (4) through the second pin (16), the third pin ring (14) and the fourth pin ring (15);

the outer assembly further comprises a hook which is arranged on the bottom (101), and the hook can hook the support frame (4) to realize connection of the inner assembly and the outer assembly.

2. The multi-functional intraoral support and guide device according to claim 1, wherein the base (101), first arm (102) and second arm (103) form a first open portion (104) and a second open portion (105).

3. The multifunctional intra-oral support and guide apparatus of claim 1, wherein the support frame (4) is a cylindrical tube comprising a lattice structure and having a length that is telescopic and an inner diameter that is adjustable.

4. The multi-functional intraoral support and guide device according to claim 1, wherein said bottom (101) is provided with a viewing window (6).

5. Multifunctional intra-oral support and guide apparatus according to claim 4, characterized in that a mesh (7) is provided inside the observation window (6).

6. The multi-functional intraoral support and guide apparatus according to claim 1, wherein the inner assembly further comprises a handle (17), the handle (17) being connected to the support frame (4).