CN213100211U

CN213100211U - Disposable low-resistance positive-pressure oxygen supply mask for painless gastroscopy

Info

Publication number: CN213100211U
Application number: CN202020915943.8U
Authority: CN
Inventors: 刘利龙; 邓炎
Original assignee: Union Hospital Tongji Medical College Huazhong University of Science and Technology
Current assignee: Union Hospital Tongji Medical College Huazhong University of Science and Technology
Priority date: 2020-05-27
Filing date: 2020-05-27
Publication date: 2021-05-04
Anticipated expiration: 2030-05-27

Abstract

The utility model is suitable for the field of medical auxiliary devices, and provides a disposable low-resistance positive pressure oxygen supply mask for painless gastroscopy. The bottom of the wide mouth is opened and the gastroscope port is formed downward. The inner diameter of the gastroscope port is larger than the diameter of the gastroscope tube, which ensures that the medical staff will not receive too much resistance when operating the gastroscope into the patient's stomach, which is convenient for the smooth progress of the examination. The wall is a hollow structure, a circle of pia is arranged in the gastroscope opening from the top downward, the pia mater passes through the gastroscope opening and a circle of limiting rings is connected to the bottom, and the outer diameter of the limiting ring is larger than the inner diameter of the gastroscope orifice. When in use, the air source interface tube is fed with oxygen, and the oxygen enters the interior through the hollow structure of the gastroscope port, and at the same time presses the pia mater against the outer wall of the gastroscope catheter, so as to prevent the oxygen from overflowing from the gastroscope port and ensure the sealing of the mask cavity. The whole device has the advantages of simple structure, convenient operation, low cost and wide application value.

Description

Disposable low-resistance positive-pressure oxygen supply mask for painless gastroscopy

Technical Field

The utility model belongs to the technical field of medical auxiliary device, especially, relate to a disposable painless gastroscopy is with low resistance malleation oxygen mask.

Background

Gastroscopes are a medical examination method in which a physician can directly observe the lesions of the esophagus, stomach and duodenum, especially the tiny lesions, by inserting a thin and flexible tube with a camera at the tip into the stomach. In addition, the gastroscopy can also directly observe the real condition of the detected part, and can further carry out pathological biopsy and cytology detection on the suspicious lesion part to further clearly diagnose, thereby being the preferred detection method for the upper digestive tract lesion. Along with the improvement of living standard and the development of anesthesia technology, the painless gastroscope is gradually accepted by doctors and patients. The painless gastroscope is based on the ordinary gastroscope, firstly, a certain dose of short-acting anesthetic is given through veins to help a patient to quickly enter a calm and sleep state, the gastroscope is completed without consciousness, uncomfortable symptoms such as nausea, vomit, pain and the like are not generally felt in the process of examination, no pain is caused, and the patient can quickly wake up after the examination is completed. In the painless gastroscopy process, after the patient anaesthetizes, spontaneous respiration is inhibited by different degrees, mask pressurization oxygen supply is needed to be carried out to maintain the oxygen requirement of the patient, and the painless gastroscopy pressurization oxygen supply mask clinically used at present is provided with an opening with the diameter slightly smaller than the diameter of a gastroscope at the position of a mask corresponding to an oral part, so that the mask can stretch into the gastroscope to the stomach of the patient through the opening to carry out the gastroscopy while oxygen supply is carried out. However, according to the practice of the clinician, the fact that the diameter of the opening is small, the resistance borne by the gastroscope catheter in the gastroscope examination process is large, great inconvenience is brought to the clinician in operation, and the gastroscope examination time and the anesthesia time are prolonged to a certain extent.

SUMMERY OF THE UTILITY MODEL

In view of the above problem, an object of the present invention is to provide a low resistance positive pressure oxygen supply mask for use in a disposable painless gastroscopy, which aims to solve the technical problem of large resistance of the intubation tube of the existing painless gastroscopy mask.

The utility model adopts the following technical scheme:

the oxygen face guard is given with low resistance malleation to disposable painless gastroscope inspection is including the cover body, there is the round gasbag cover body bottom, the intercommunication has the inflation inlet on the gasbag, cover body front portion intercommunication has the air supply mouth-piece, cover body top part undercut forms the wide-mouth, trompil and the downward gastroscope mouth that forms of wide-mouth bottom, the internal diameter of gastroscope mouth is greater than the diameter of gastroscope pipe, the pipe wall of gastroscope mouth is hollow out structure, set up the round mantle downwards from the top in the gastroscope mouth, the mantle is worn out gastroscope mouth and bottom and is connected with the round spacing ring, the spacing ring external diameter is greater than gastroscope mouth internal diameter.

Furthermore, a plug for plugging the wide opening is connected to the cover body.

Furthermore, there is a round apical ring at gastroscope mouth top, the mantle is connected in between apical ring and the spacing ring.

Furthermore, the cover body is also connected with a fixing belt.

Furthermore, the top of the cover body is symmetrically provided with connecting bolts, and two ends of the fixing band are looped and sleeved on the connecting bolts on the corresponding sides.

Furthermore, the middle position of the fixing band is overlapped and sleeved with a rubber sleeve.

The utility model has the advantages that: the utility model discloses in, the gastroscope mouth has certain thickness, and the pipe wall is hollow out construction, and the bore of gastroscope mouth is greater than the diameter of gastroscope pipe, guarantees that medical staff can not receive too big resistance when the operation gastroscope is put into patient's stomach, going on smoothly of the gastroscope inspection of being convenient for, let in oxygen through the air supply interface tube simultaneously, oxygen passes the hollow out construction of gastroscope mouth and enters into inside, is blockked by the mantle simultaneously, oxygen can only downwards discharge and supply the patient to breathe, oxygen has been avoided upwards spilling over from the gastroscope mouth, the leakproofness in face guard chamber has been guaranteed. The whole device has the advantages of simple structure, convenient operation, low cost and wide application value.

Drawings

Fig. 1 is a front view of a disposable low resistance positive pressure oxygen supply mask for painless gastroscopy according to an embodiment of the present invention.

Fig. 2 is a bottom view of the disposable low resistance positive pressure oxygen supply mask for painless gastroscopy provided by the embodiment of the utility model.

Fig. 3 is a partially enlarged view of fig. 1.

FIG. 4 is a view showing another positional relationship between the gastrostomy port and the pia mater.

Fig. 5 is a top view of a disposable low resistance positive pressure oxygen mask for painless gastroscopy according to an embodiment of the present invention.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

In order to explain the technical solution of the present invention, the following description is made by using specific examples.

Fig. 1 shows the structure of a disposable low resistance positive pressure oxygen supply mask for painless gastroscopy according to an embodiment of the present invention, and only the parts related to the embodiment of the present invention are shown for convenience of illustration.

As shown in fig. 1, 2, the oxygen face guard is given with low resistance malleation to disposable painless gastroscope examination that this embodiment provided includes the cover body 1, there is round gasbag 2 cover body 1 bottom, the intercommunication has inflation inlet 21 on the gasbag 2, cover body 1 front portion intercommunication has air supply interface tube 11, cover body 1 top part undercut forms wide-mouth 12, trompil and downwardly formed gastroscope mouth 13 in wide-mouth 12 bottom, gastroscope mouth 13 just has a take the altitude for tubular structure, and gastroscope mouth 13 internal diameter is greater than the diameter of gastroscope pipe, the pipe wall of gastroscope mouth 13 is hollow out structure, set up round mantle 3 downwards from the top in the gastroscope mouth 13, mantle 3 wears out the gastroscope mouth and is connected with round spacing ring 4 bottom, spacing ring 4 external diameter is greater than gastroscope mouth 13 internal diameter.

In this structure, the gasbag is the position that face guard and patient face laminated mutually, mainly for better laminating patient's face, prevents air leakage during the positive pressure ventilation. The inflation inlet is used for inflating the air bag. The gas source mouthpiece is connected with oxygen sources such as a breathing machine, an anesthesia machine or a breathing bag and the like to supply oxygen to the mask. The wide mouth is a sunken structure with the caliber larger than the mouth of the gastroscope. In addition, as a preferable structure, the mask of the embodiment further comprises a plug 5 connected to the mask body 1, and the plug 5 is used for being plugged into the wide opening to play a sealing role. The gastroscope mouth is the tubulose and has certain height, and the diameter of gastroscope mouth is greater than the diameter of clinical gastroscope pipe, and the doctor of being convenient for lets in the gastroscope pipe in proper order in gastroscope mouth, patient's oral cavity, patient's esophagus finally to the stomach of patient. The side wall of the gastroscope opening is of a hollow structure, and as shown in the figure, the pipe wall of the gastroscope opening is provided with a plurality of vertical notches along the height direction, so that oxygen in the mask can penetrate through the notches to enter the gastroscope opening.

The soft film is a soft film, is provided with a circle and can be made of materials such as latex, rubber, silica gel, polyurethane, composite nano plastic and the like. As shown in figure 2, the upper end of the soft membrane is connected with the edge of the upper port of the gastroscope opening, and the bottom of the soft membrane penetrates out of the gastroscope opening and is connected with a limiting ring. The outer diameter of the limiting ring is larger than the inner diameter of the gastroscope opening, the material is tough, the limiting ring is used for limiting the soft membrane to move upwards, the soft membrane is prevented from being completely sunk into the gastroscope opening, and otherwise, the soft membrane cannot play a role in isolating oxygen.

In this embodiment, the cover and the gastroscope opening may be independently arranged, or may be integrally formed, preferably integrally formed, so as to reduce the production and installation costs. However, as a preferable structure, as shown in fig. 3, the top of the gastroscope opening 13 is provided with a ring of top ring 6, and the soft membrane 3 is connected between the top ring 6 and the stop ring 4, because the process of connecting the soft membrane top end to the upper port of the gastroscope opening is complicated and the cost is high. Like this mantle and apical ring, the spacing ring is structure as an organic whole, the production of being convenient for, with spacing ring extrusion deformation during the use, then penetrate from the gastroscope mouth, wear out from the gastroscope mouth until the spacing ring, as an optimal structure, the external diameter and the wide-mouth bore of apical ring are unanimous, the apical ring can block in the wide-mouth bottom, promptly block port on the gastroscope mouth, oxygen is from entering into the intraoral back of gastroscope, basically can not upwards spill over, most oxygen still flows down along the mantle, oxygen that keeps the face guard intracavity is the malleation state, in order to supply the patient to breathe.

In addition, in order to facilitate wearing, as shown in fig. 5, the cover body is further connected with a fixing belt 7. In this structure, fixed band 7 can be dismantled, cover body top symmetry is provided with connecting bolt 14, fixed band 7 both ends cyclization and cover are on the connecting bolt 14 of corresponding side. In addition, the middle position of the fixing band 7 is overlapped and sleeved with a rubber sleeve 8 to adjust the effective length of the fixing band.

The use method of the mask comprises the following steps:

firstly, the air bag is inflated through an inflation port, the wide port is plugged by a plug when anesthesia induction is carried out (namely before gastroscopy), and an air source connector tube is connected with a breathing machine, an anesthesia machine or a breathing bag to supply oxygen to a patient. After the anesthesia is successful, the plug is taken down, the gastroscope catheter is placed into the oral cavity of a patient through the gastroscope opening, a proper amount of paraffin oil is injected into the wide-mouth part to lubricate the outer wall of the gastroscope catheter, the gastroscope catheter is continuously inserted, and finally the gastroscope catheter reaches the stomach of the patient through the esophagus for examination. During gastroscopy, the face guard intracavity is full of oxygen, and pressure is higher than atmospheric pressure, and oxygen enters into in the gastroscope mouth and oppresses the mantle through the fretwork notch of gastroscope mouth, and the mantle atress is hugged closely gastroscope pipe outer wall, and then realizes sealed face guard, has guaranteed the malleation state of face guard intracavity, is favorable to maintaining patient's oxygen supply.

The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims

1. A low-resistance positive pressure oxygen supply mask for disposable painless gastroscopy, comprising a cover body, a circle of airbags at the bottom of the cover body, an inflatable port being communicated with on the airbag, and an air bag being communicated with the front part of the cover body The source mouthpiece is characterized in that the top of the cover body is partially recessed downward to form a wide mouth, the bottom of the wide mouth is open and a gastroscope port is formed downward, the inner diameter of the gastroscope port is larger than the diameter of the gastroscope catheter, and the gastroscope port is The tube wall of the gastroscope is a hollow structure, a circle of pia is arranged in the gastroscope port from the top down, the pia mater passes through the gastroscope port and a ring of limit rings is connected to the bottom, and the outer diameter of the limit ring is larger than that of the gastroscope port the inside diameter of.

2 . The disposable low-resistance positive pressure oxygen supply mask for painless gastroscopy according to claim 1 , wherein the cover body is further connected with a plug for plugging into the wide mouth. 3 .

3. The low-resistance positive pressure oxygen mask for disposable painless gastroscopy according to claim 2, wherein a top ring is arranged on the top of the gastroscope port, and the pia is connected to the top ring and the limiter between the rings.

4. The disposable low-resistance positive pressure oxygen supply mask for painless gastroscopy according to any one of claims 1-3, wherein the mask body is further connected with a fixing belt.

5. The disposable low-resistance positive pressure oxygen supply mask for painless gastroscopy according to claim 4, wherein the top of the cover body is symmetrically provided with connecting bolts, and the two ends of the fixing belt are looped and sleeved on the corresponding on the side connector.

6 . The disposable low-resistance positive pressure oxygen supply mask for painless gastroscopy according to claim 5 , wherein the middle portion of the fixing band overlaps and is covered with a rubber sleeve. 7 .