CN211272977U

CN211272977U - Bite-block

Info

Publication number: CN211272977U
Application number: CN201921763045.9U
Authority: CN
Inventors: 顾艮莹; 熊兴林; 陈莹; 潘俊辰; 王彬彬; 张蓉蓉
Original assignee: NANJING BENQ MEDICAL CENTER CO Ltd
Current assignee: NANJING BENQ MEDICAL CENTER CO Ltd
Priority date: 2019-10-21
Filing date: 2019-10-21
Publication date: 2020-08-18
Anticipated expiration: 2029-10-21

Abstract

The utility model provides a bite-block, which comprises a bite-block main body, a saliva sucking head and a suction joint; wherein, the tube body of the bite block main body is hollow to form a saliva absorbing channel; the saliva suction head is arranged at the first end of the pipe body, the side face of the saliva suction head comprises at least three hollow-out areas, and the at least three hollow-out areas are communicated with the saliva suction channel; the suction connector is arranged at the second end of the pipe body and is used for connecting the negative pressure connecting pipe. The bite-block provided by the utility model is beneficial to the stable installation of the saliva sucking head, and is not easy to fall off or cause discomfort of the oral cavity of a patient; it inhales saliva head side and encircles and set up a plurality of fretwork district, and difficult jam even causes patient's oral cavity injury, but the multi-angle suction keeps patient's oral cavity clean.

Description

Bite-block

Technical Field

The utility model relates to the field of medical equipment, especially, relate to a bite-block.

Background

The tracheal intubation technique is an important measure for treating patients suffering from general anesthesia, dyspnea, cardiopulmonary resuscitation and critical illness accompanied with respiratory dysfunction. The airway tube is extended in through the oral cavity to ensure the smooth airway of the patient and provide oxygen for the patient. In clinic, after a patient is intubated through a trachea, the oral cavity is in an open state, and the oral cavity has no self-cleaning capability, so that a large number of bacteria can breed and breed in the oral cavity, and the oral infection chance is increased. Meanwhile, bacteria may be inhaled into the lungs by mistake, and then, respiratory machine-related pneumonia occurs, which is a common cause of death of infection in an ICU hospital. The bite-block used in the prior art of trachea cannula has the defects of infirm fixation of the airway and larger oral space occupation. Therefore, there is a need for a new bite block that overcomes the above-mentioned drawbacks.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a novel bite-block, it can improve air duct intubate success rate, use comfort to and guarantee that patient's vital sign is stable.

In order to achieve the purpose, the utility model provides a bite block, which comprises a bite block main body, a saliva sucking head and a suction joint; wherein, the tube body of the bite block main body is hollow to form a saliva absorbing channel; the saliva suction head is arranged at the first end of the pipe body, the side face of the saliva suction head comprises at least three hollow-out areas, and the at least three hollow-out areas are communicated with the saliva suction channel; the suction connector is arranged at the second end of the pipe body and is used for connecting the negative pressure connecting pipe.

Preferably, the bite block main body further comprises a baffle plate, the baffle plate surrounds the outer side pipe wall protruding out of the pipe body, a notch is formed in the baffle plate, and the notch is used for clamping and fixing the air guide pipe.

Preferably, the baffle further comprises two fastening holes for passing through the fixing band to further fix the bite block in the patient's mouth.

Preferably, the baffle is integrally formed with the tube body, or the baffle is fixedly clamped on the outer tube wall of the tube body.

Preferably, the outer pipe wall of the pipe body is provided with a groove, the groove corresponds to the notch, and the groove extends along the length direction of the pipe body; the groove is used for accommodating the air duct.

Preferably, the saliva sucking head is fixed to the first end of the hollow tube through a threaded opening.

Preferably, the suction connector includes a first threaded opening and a second threaded opening, the suction connector is fixed to the second end of the pipe body through the first threaded opening, and the suction connector is fixed to the negative pressure connection pipe through the second threaded opening.

Preferably, the suction connector further comprises a side opening, and the side opening is communicated with the inner pipeline of the suction connector; the side opening is default to be in a normally open state, and the saliva sucking channel is conducted with the negative pressure connecting pipe to suck saliva when the side opening is closed.

Preferably, a plug is further connected to the side opening for closing the side opening to continuously perform suction of secretions within the oral cavity.

Preferably, the free end of the side opening includes a flare for support when the side opening is closed by a human hand.

Compared with the prior art, the saliva suction head of the bite block provided by the utility model is not a flexible saliva suction hose movably arranged on the bite block main body, but is directly arranged on the bite block main body, so that the stable installation of the saliva suction head is facilitated, and the saliva suction head is not easy to drop or cause discomfort in the oral cavity of a patient; inhale saliva head for traditional top end opening, the utility model discloses a side of inhaling saliva head is encircleed and is set up a plurality of fretwork areas, and difficult jam causes patient's oral cavity injury even, but the multi-angle suction keeps patient's oral cavity clean.

Drawings

Fig. 1 is a schematic structural view of a bite block according to a first embodiment of the present invention;

FIG. 2 is an exploded view of a bite block according to a first embodiment of the present invention;

Detailed Description

In order to further understand the objects, structures, features and functions of the present invention, the following embodiments are described in detail.

Certain terms are used throughout the description and following claims to refer to particular components. As one of ordinary skill in the art will appreciate, manufacturers may refer to a component by different names. The present specification and claims do not intend to distinguish between components that differ in name but not function. In the following description and in the claims, the terms "include" and "comprise" are used in an open-ended fashion, and thus should be interpreted to mean "include, but not limited to.

Referring to fig. 1 to 2, which illustrate a first embodiment of the bite block of the present invention, the bite block 1 includes a bite block main body 10, a saliva sucking head 20, and a suction fitting 30. The bite block body 10 includes a hollow tube body 11 having a saliva sucking passage 12 formed therein in a hollow manner. The saliva sucking head 20 is installed at the first end of the tube body 11, the side of the saliva sucking head 20 comprises at least three hollow areas 21, and the hollow areas 21 are communicated with the saliva sucking channel 12. The suction connector 30 is installed at the second end of the pipe body 11, and the suction connector 30 is used for connecting the negative pressure connection pipe 50.

The outside pipe wall of body 11 of bite-block main part 10 can be the cylinder, oval cylinder, or the cuboid cylinder, can carry out the smooth design of chamfer to the edge of cuboid cylinder, or cut peacefully and/or adhere to flexible material to the interlock position, the utility model discloses not use this as the limit. In practical application, the size of the bite block main body 10 can be divided into an adult type and a child type, for example, the adult type bite block 1 has a tubular body 11 of the bite block main body 10 with a length of 5 to 6cm, preferably 5.5cm, and when a cylinder is adopted, the cross-sectional diameter is preferably 1.4 cm.

The side of the saliva sucking head 20 comprises at least three hollow-out areas 21, preferably 6-8 hollow-out areas 21. In a preferred embodiment, the plurality of hollow areas 21 of the saliva sucking head 20 are distributed around the side of the saliva sucking head 20 with the tube extending direction X as a collar. Preferably, the saliva sucking head 20 forms an expansion space, and the cross section perpendicular to the extending direction X of the tube body, where the cross section size of the saliva sucking head 20 is largest, is larger than the cross section size of the tube body 11; the hollow-out areas 21 can be arranged on the side surface of the end part of the saliva sucking head 20 (or do not extend to the position where the cross section size of the saliva sucking head 20 is maximum), so that the oral secretion can be sucked from a plurality of angle directions, when part of the hollow-out areas 21 are blocked due to contact with the internal skin of the oral cavity, the suction can still be sucked through other hollow-out areas 21, and because of the plurality of hollow-out areas 21, the damage or discomfort in the oral cavity caused by the overlarge suction force of negative pressure suction can be avoided. The hollow-out area 21 can also extend from the end side of the saliva sucking head 20 to cross the position with the largest cross-sectional dimension of the saliva sucking head 20, so that the problem that the oral secretion is not sucked timely due to the fact that part of the hollow-out area 21 is closed can be further avoided. The saliva sucking head 20 can be fixedly mounted to the first end of the tube 11 through a threaded opening. Further, the saliva sucking head 20 can be mounted on the outside of the tube 11, or the screw thread of the saliva sucking head 20 is located on the inside of the mouthpiece position and the corresponding screw thread of the tube 11 is located on the outside of the mouthpiece position. The saliva suction head 20 can also be mounted inside the tube 11, or the threaded mouth of the saliva suction head 20 can be located outside its mouthpiece position and the corresponding threaded mouth of the tube 11 can be located inside its mouthpiece position. The saliva sucking head 20 can be made of a flexible material, such as rubber; or a flexible material may be attached to the outside of the saliva suction head 20 to avoid discomfort in the mouth.

In one embodiment, the bite block main body 10 further includes a baffle 13, the baffle 13 surrounds the outer tube wall protruding from the tube 11, and when in use, the baffle 13 is located outside the mouth of the patient to prevent the bite block main body from sliding down and shifting. Preferably, two fastening holes 16 are further formed on the baffle 13, and the two fastening holes 16 can penetrate through and fix the fixing belt, so that the bite block 1 is further fixed in the oral cavity of the patient and is prevented from accidentally sliding out of the oral cavity. The fixing band can be elastically closed, or can be two sections of inelastic laces, but the utility model is not limited to this. The baffle 13 may be integrally formed with the tube 11, for example, all integrally formed of a rigid medical plastic material, such as but not limited to polyethylene. The baffle 13 can also be made separately from the tube 11, the baffle 13 is clamped on the outer tube wall of the tube 11, for example, the outer tube wall has a groove around the direction, the baffle 13 is partially clamped in the groove, and the groove can include a part of protrusion to limit the clamping position and direction of the baffle 13, so as to prevent the baffle 13 from separating from the tube 11 or rotating relative to the tube 11 after installation.

In a preferred embodiment, the flap 13 is provided with a notch 14, and the notch 14 is used for clamping the airway tube. The notch 14 may be formed as a whole circular hole or a fan-shaped hole with a smaller opening, and the baffle 13 beside the notch 14 has a certain flexibility and can be pushed to be expanded to insert and fix the airway tube into the notch 14. Further, still be provided with recess 15 on the outside pipe wall of body 11, recess 15 extends along the length direction X of body 11, and the position of recess 15 is corresponding to breach 14, like this, can block when solid air duct at breach 14, carries out the direction guide to the air duct through recess 15 simultaneously, avoids the air duct crooked even take place to buckle in breach 14 department, influences gas transport. The notch 14 and the groove 15 are disposed at the side of the occlusion position to prevent the patient from biting the airway tube when the patient bites the bite block main body 10, which would result in the airway tube closing to affect the patient's breathing.

In practical application, the size of breach 14 is confirmed according to the size of air duct, and the preferred, adult's type adopts the diameter to be 0.5 cm's air duct to make the intubate, and the preferred this moment, the inside widest department of breach 14 sets up to 0.6cm, and breach 14 is 0.2cm to outer opening width, the utility model discloses do not use this as the limit.

In a preferred embodiment, the saliva sucking head 20 is a thin-walled cavity, wherein the plurality of hollow-out areas 21 are in communication with the cavity and are in communication with the saliva sucking channel 12 through the cavity. The saliva extracting head 20 further comprises an air duct interface so that the air duct can extend into the cavity, and the air outlet is positioned approximately in the center of the cavity so as to avoid the air outlet of the air duct being blocked by the secretion when the secretion in the oral cavity is sucked. The air outlet of the air duct can also be suspended outside the saliva sucking head 20.

In a preferred embodiment, the suction fitting 30 includes a second tube 31 and a first threaded port 32, the suction fitting 30 is fixed to the second end of the tube 11 through the first threaded port 32, and the other end of the suction fitting 30 opposite to the first threaded port 32 is fixed to the negative pressure connection tube 50. The first threaded opening 32 is tightly fitted with the corresponding second end of the tube 11, preferably, the suction connector 30 is made of an elastic plastic material, the first threaded opening 32 is elastically tightly fitted with the second end of the tube 11, and the other end of the second threaded opening 33 is elastically tightly fitted with the negative pressure connection tube 50.

In a preferred embodiment, the suction fitting 30 further includes a side opening 34, and the side opening 34 is in communication with the inner conduit (or the second tube 31) of the suction fitting 30. In practical application, the length of the suction connector 30 is 4-7 cm, preferably 5.5cm, and the external diameter of the cross section is 2-4 cm, preferably 2.8 cm; the hollow cross-sectional dimension of the side opening 34 is preferably circular with a diameter of 0.7 cm. The side opening 34 is normally open, and the negative pressure connection tube 50 is connected to the atmospheric pressure, so that the secretion in the mouth of the patient is not sucked. When the side opening 34 is closed by a finger or a plug, the saliva sucking channel 12 is communicated with the negative pressure adapter 50 to suck the secretion in the mouth of the patient. In a preferred embodiment, a plug 35 is further connected to the side opening 34, and the plug 35 is used for closing the side opening 34 to continuously perform the oral secretion sucking operation without the intervention of the caregiver at any time, thereby saving time for the nursing work. In a preferred embodiment, the free end of the side opening 34 is a bell mouth for supporting a human hand when the human hand closes the side opening 34, or increasing the contact area between the human hand and the side opening 34, so as to avoid discomfort of the hand due to excessive suction pressure when the nursing staff operates the nursing staff.

In summary, the bite block of the utility model comprises a bite block main body, a saliva suction head and a suction joint; the tube body of the bite block main body is hollow to form a saliva absorbing channel; the saliva suction head is arranged at the first end of the pipe body, the side face of the saliva suction head comprises at least three hollow-out areas, and the at least three hollow-out areas are communicated with the saliva suction channel; the suction connector is arranged at the second end of the pipe body and is used for connecting the negative pressure connecting pipe. The saliva suction head of the tooth pad is not movably arranged on the flexible saliva suction hose of the tooth pad main body, but is directly arranged on the tooth pad main body, so that the stable installation of the saliva suction head is facilitated, and the saliva suction head is not easy to fall off or cause discomfort in the oral cavity of a patient; inhale saliva head for traditional top end opening, the utility model discloses a side of inhaling saliva head is encircleed and is set up a plurality of fretwork areas, and difficult jam causes patient's oral cavity injury even, but the multi-angle suction keeps patient's oral cavity clean.

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings. It is to be understood that the described embodiments are only one component embodiment of the invention, and not all embodiments.

Thus, the above detailed description of embodiments of the invention is not intended to limit the scope of the invention, as claimed, but is merely representative of component embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

Claims

1. A bite block is characterized by comprising a bite block main body, a saliva sucking head and a suction joint; wherein,

the tube body of the bite block main body is hollow to form a saliva absorbing channel;

the saliva suction head is arranged at the first end of the pipe body, the side face of the saliva suction head comprises at least three hollow-out areas, and the at least three hollow-out areas are communicated with the saliva suction channel;

the suction connector is arranged at the second end of the pipe body and is used for connecting the negative pressure connecting pipe.

2. The bite block of claim 1, wherein: the bite block main body further comprises a baffle plate, the baffle plate surrounds the outer side pipe wall protruding out of the pipe body, a notch is formed in the baffle plate, and the notch is used for clamping and fixing the air guide pipe.

3. The bite block of claim 2, wherein: the baffle plate also comprises two tying holes which are used for penetrating through the fixing belt so as to further fix the dental pad in the mouth of a patient.

4. The bite block of claim 2, wherein: the baffle and the pipe body are integrally formed, or the baffle is clamped and fixed on the pipe wall on the outer side of the pipe body.

5. The bite block of claim 2, wherein: the outer side pipe wall of the pipe body is provided with a groove, the groove corresponds to the notch, and the groove extends along the length direction of the pipe body; the groove is used for accommodating the air duct.

6. The bite block of claim 1, wherein: the saliva sucking head is fixedly arranged at the first end of the hollow pipe body through a threaded opening.

7. The bite block of claim 1, wherein: the suction joint comprises a first threaded port and a second threaded port, the suction joint is fixedly installed at the second end of the pipe body through the first threaded port, and the suction joint is fixedly installed with the negative pressure connecting pipe through the second threaded port.

8. The bite block of claim 1, wherein: the suction joint also comprises a side opening which is communicated with the inner pipeline of the suction joint; the side opening is default to be in a normally open state, and the saliva sucking channel is conducted with the negative pressure connecting pipe to suck saliva when the side opening is closed.

9. The bite block of claim 8, wherein: the side opening is also connected with a plug for closing the side opening to continuously perform suction of secretions in the oral cavity.

10. The bite block of claim 8, wherein: the free end of the side opening includes a flare for support when the side opening is closed by a human hand.