CN115957414A - Bronchoscope protective mask - Google Patents

Abstract

The invention belongs to the technical field of medical equipment, and discloses a bronchoscope protective mask, which comprises: a mask that is selectively secured to the head of the patient and encloses the face of the patient; when the mask is fixed on the head of a patient, a cavity is formed between the mask and the face of the patient; the oxygen supply part is fixed on one side of the mask, which is far away from the face of the patient, and is communicated with the cavity; one end of the oxygen supply part, which is far away from the mask, is connected with external oxygen supply equipment, and oxygen supplied by the external oxygen supply equipment is guided into the mask; the interventional part is fixed on one side of the mask, which is far away from the face of the patient, and is communicated with the cavity, and the interventional part is opposite to the mouth and nose parts of the patient; the tracheal endoscope passes through the mask through the one-way structure and then enters the nasal cavity of the patient, so that in the operation process, the gas exhaled by the patient cannot enter the external air filtering part through the intervention part, and is fixed on one side of the mask, which is far away from the face of the patient, and communicated with the cavity; the filtering part filters the gas exhaled by the patient and then discharges the gas to the outside of the mask.

Description

A kind of tracheoscope protective mask

technical field

The invention belongs to the technical field of medical devices, and in particular relates to a bronchoscope protective mask.

Background technique

Patients with respiratory failure need to inhale oxygen during bronchoscopic surgery. At present, nasal tube breathing is used clinically. Because a bronchoscope is placed in one nostril, only one nostril can inhale oxygen, and patients are prone to hypoxia. If the patient is stimulated and coughs or sneezes during bronchoscopy, the pathogens in his lungs will be spread outward in the form of aerosols, polluting the environment and threatening the lives of medical staff.

The present invention aims at the above problems, and provides a bronchoscope protective mask.

Contents of the invention

In order to overcome the problems presented in the background art, the present invention provides a bronchoscope protective mask.

A bronchoscope protective mask, used in bronchoscope surgery, comprising:

A mask, optionally fixed on the patient's head and wrapping the patient's face inside; when the mask is fixed on the patient's head, a cavity is formed between the mask and the patient's face, so that the patient's face is prevented from being squeezed;

The oxygen supply part includes a fixed structure and an oxygen supply tube; the fixed structure is fixed on the side of the mask away from the patient's face and communicates with the cavity, and the end of the fixed structure away from the mask is detachably connected to the oxygen supply tube; the oxygen supply tube The end away from the fixed structure is connected to the external oxygen supply equipment, and the oxygen provided by the external oxygen supply equipment is introduced into the mask, so that the oxygen content in the cavity is higher than the oxygen content in the atmosphere; A locking component is set on one side to lock the positional relationship between the fixed structure and the oxygen supply tube;

The intervention part is fixed on the side of the mask away from the patient's face and communicates with the cavity; the intervention part is opposite to the patient's mouth and nose; the inside of the intervention part is provided with a one-way structure, and the bronchoscope passes through the mask through the one-way structure Then enter the patient's nasal cavity, so that during the operation, the gas exhaled by the patient cannot enter the external air through the intervention part;

The filter part is fixed on the side of the mask away from the patient's face and communicates with the cavity; the filter part filters the gas exhaled by the patient and discharges it out of the mask.

Further, the locking assembly includes a fixing tube, a sliding sleeve, a reset structure, a locking member and a limiting structure; a slideway is provided inside the fixing tube; the locking member slides inside the slideway; the sliding The casing, the reset structure and the limit structure are all arranged outside the fixed tube; one end of the reset structure is connected to the fixed tube, and the other end presses the sliding sleeve against the side wall of the limit structure; when there is no external force, The locking part protrudes from the inner side wall of the fixing tube under the pressure of the sliding sleeve.

Further, one end of the oxygen supply tube connected to the fixed structure is the first end, and the other end is the second end; the first end is inserted into the locking assembly.

Further, a locking groove adapted to the locking member is provided on the side wall of the first end.

Further, a non-return component is arranged inside the fixed structure; after one end of the oxygen supply tube is inserted into the locking component, the non-return component is pushed away, so that the oxygen provided by the external oxygen supply equipment is introduced into the mask through the oxygen supply tube; After the oxygen supply tube withdraws from the locking assembly, the non-return assembly is reset to prevent the gas inside the mask from being discharged through the fixed structure.

Further, the anti-return assembly includes a locking ring, a slider, a presser and a support structure; the support structure and the locking ring are both arranged on the inner side wall of the fixed structure; one end of the presser is connected to the support structure , and the other end squeezes the slider against the side wall of the locking ring; when the oxygen supply tube is inserted into the locking assembly, the oxygen supply tube compresses the pressure device, so that a cavity is formed between the locking ring and the slider, so that The oxygen provided by the external oxygen supply equipment enters the mask through the oxygen supply tube and the cavity.

Further, the intervention part includes a guide structure and a sealing cover; one end of the guide structure is fixedly connected to the mask, the other end is detachably connected to the sealing cover, and the inside of the guide structure is fixedly connected to the one-way structure.

Further, the mask includes a wearing frame, a transparent cover and a fixing belt; the inner side of the wearing frame is connected with the transparent cover, and the outer side is connected with the fixing belt; when wearing the mask, the fixing belt will fix the wearing frame on the patient's head , so that the wearing frame is close to the patient's skin, and a cavity is formed between the transparent cover and the patient's face; the oxygen supply part and the filter part are both connected to the cavity.

Further, a sealing layer is provided on the side of the wearing frame facing the patient's skin.

Furthermore, a filter membrane is provided inside the filter part, and the filter membrane is detachably connected to the filter part, and the gas exhaled by the patient is filtered by the filter membrane and then discharged out of the mask.

Beneficial effects of the present invention: placing the patient's face in a high-oxygen environment improves comfort during bronchoscopy, reduces pain and prevents the patient's blood oxygen saturation from decreasing; the intervention part allows the bronchoscope to enter, and the direction of entry It is in line with the direction of bronchoscope insertion in clinical operations; the interior of the interventional part is equipped with a one-way structure, which prevents lung pathogens from spreading outward in the form of aerosols when the patient coughs during the bronchoscope operation, prevents environmental pollution, and protects medical staff at the same time .

Description of drawings

Fig. 1 is a kind of structural representation of realizing protective mask of the present invention;

Fig. 2 is a sectional view of an oxygen supply part realizing the present invention;

Fig. 3 is a sectional view of an intervening part realizing the present invention;

Fig. 4 is a schematic diagram of the installation of an oxygen supply unit realizing the present invention;

Fig. 5 is a kind of structural schematic diagram that realizes the protective mask that removes the oxygen supply pipe of the present invention;

Fig. 6 is a cross-sectional view of the oxygen supply part with the oxygen supply pipe removed for realizing the present invention;

Fig. 7 is a structural schematic diagram of an oxygen supply tube realizing the present invention;

Fig. 8 is a sectional view of an oxygen supply pipe realizing the present invention;

In the figure, 1. mask; 2. oxygen supply part; 3. filter part; 4. intervention part; 11. wearing frame; 12. transparent cover; 13. fixing belt; 14. sealing layer; 21. fixing structure; Locking component; 23. Oxygen supply tube; 24. Non-reverse component; 41. Guide structure; 42. One-way structure; 43. Sealing cover; 221. Sliding sleeve; 222. Reset structure; 223. Locking piece; 224 , limit structure; 225, sealing ring; 226, fixed pipe; 231, hose; 232, first end; 233, air hole; 234, locking groove; 235, second end; 241, slider; 242, Presser; 243, supporting structure; 244, locking ring.

Detailed ways

The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. The present invention can also be implemented or applied through different specific implementation modes, and the following embodiments and the features in the embodiments can be combined with each other under the condition of no conflict. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

In the description of the present invention, it should be understood that the orientation or positional relationship indicated by the terms "width", "thickness", "top", "inner", "outer", etc. is based on the orientation or position shown in the drawings The relationship is only for the convenience of describing the present invention and simplifying the description, but does not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as a limitation of the present invention.

Example 1

A kind of bronchoscope protective mask 1 as shown in Figure 1-6, is used in the bronchoscope operation, comprises:

The mask 1 is optionally fixed on the patient's head and wraps the patient's face inside; when the mask 1 is fixed on the patient's head, a cavity is formed between the mask 1 and the patient's face, so that the patient's face is prevented from being squeezed; When in use, the mask 1 is fixed on the patient's head to cover the patient's face, and the patient's face is placed in a high-oxygen environment to improve comfort, reduce pain and avoid the patient's blood oxygen saturation during bronchoscopy. .

The oxygen supply part 2 is fixed on the side of the mask 1 away from the patient's face and penetrates the cavity; the end of the oxygen supply part 2 away from the mask 1 is connected to an external oxygen supply device, and the oxygen provided by the external oxygen supply device is introduced into the mask 1 Inside, a hyperoxic environment is generated inside the mask 1 .

The intervention part 4 is fixed on the side of the mask 1 away from the patient's face and communicates with the cavity. The intervention part 4 is opposite to the patient's mouth and nose; the intervention part 4 can allow the bronchoscope to enter, and the entry direction is in line with the clinical operation of the bronchoscope insertion direction. The interior of the intervention part 4 is provided with a one-way structure 42, and the bronchoscope enters the patient's nasal cavity after passing through the mask 1 through the one-way structure 42, so that during the operation, the gas exhaled by the patient cannot enter the external air through the intervention part 4; During the operation, it can prevent the lung pathogens from spreading outward in the form of aerosol when the patient coughs, prevent the environment from being polluted, and protect medical staff at the same time.

The filter part 3 is fixed on the side of the mask 1 away from the patient's face and communicates with the cavity; the filter part 3 filters the gas exhaled by the patient and discharges it outside the mask 1, preventing the lung pathogens from being aerosolized when the patient coughs. The way the form spreads to the outside of the mask 1 prevents environmental pollution and protects medical personnel at the same time.

Specifically, the oxygen supply part 2 includes a fixed structure 21 and an oxygen supply tube 23; one end of the fixed structure 21 is fixedly connected to the mask 1, and the other end is detachably connected to the oxygen supply tube 23; Connect to an external oxygen supply.

For ease of distinction, one end of the oxygen supply pipe 23 connected to the fixed structure 21 is set as the first end 232 , and the other end is the second end 235 , and the first end 232 and the second end 235 are connected by a hose 231 .

In some application scenarios of the present application, the second end 235 is connected to the central oxygen source first, and then the first end 232 is connected to the fixed structure 21 during the bronchoscopy operation.

As shown in Figures 1-6, a locking component 22 is provided on the side of the fixed structure 21 facing the oxygen supply tube 23 to lock the positional relationship between the fixed structure 21 and the oxygen supply tube 23; the first end 232 is inserted into the locking component 22 internal.

The locking assembly 22 includes a fixed tube 226, a sliding sleeve 221, a reset structure 222, a locking member 223 and a limiting structure 224; a slideway is arranged inside the fixed tube 226; the locking member 223 slides inside the slideway; the sliding sleeve 221, the reset structure 222 and the limiting structure 224 are all arranged outside the fixed tube 226; Specifically, the width of the locking member 223 is greater than the thickness of the fixing tube 226 .

Specifically, the limiting structure 224 is a C-shaped snap spring (not shown in the figure). Correspondingly, a mounting groove adapted to the C-shaped snap ring is provided on the outer wall of the fixing tube 226 . When assembling, first install the reset structure 222 and the sliding sleeve 221 on the outside of the fixed tube 226 in sequence, then push the sliding sleeve 221 toward the direction of the mask 1 to expose the installation groove, and then use the snap ring pliers to install the limiting structure 224 on the The outer wall of the fixing tube 226 prevents the sliding sleeve 221 and the reset structure 222 from detaching from the fixing tube 226 .

In some embodiments of the present application, the reset structure 222 is a linear compression spring.

As shown in Figure 6, when there is no external force, the reset structure 222 presses the sliding sleeve 221 on the side wall of the limiting structure 224, and at this time, the locking member 223 is released from the inner side of the fixed tube 226 under the pressure of the sliding sleeve 221. protruding from the wall.

In some embodiments of the present application, in order to ensure that the axis of the first end 232 coincides with the axis of the fixing tube 226 after fixing, the number of locking members 223 is A, where A≧3.

As shown in FIGS. 7-8 , a locking groove 234 adapted to the locking member 223 is provided on the side wall of the first end 232 . An end of the first end 232 away from the second end 235 shrinks inward, so that the first end is inserted into the fixing tube 226 .

The method and principle of using the locking assembly 22 to fix the first end 232:

S1. Push the sliding sleeve 221 toward the direction close to the mask 1 to compress the reset structure 222. At this time, the sliding sleeve 221 no longer squeezes the locking part 223, and the locking part 223 can slide freely in the slideway;

S2. Insert the first end 232 into the fixed tube 226, and the side wall of the first end 232 pushes up the locking member 223, so that the locking member 223 moves along the slideway toward the direction of the sliding sleeve 221;

S3, loosen the sliding sleeve 221, the sliding sleeve 221 squeezes the locking member 223 on the side wall of the first end 232 under the push of the reset structure 222, and continues to push the first end 232 to move inside the fixed tube 226 , until the locking member 223 snaps into the locking groove 234 , at this time the first end 232 is locked inside the locking assembly 22 .

The method and principle of disengaging the first end 232 from the locking assembly 22:

S1. Push the sliding sleeve 221 toward the direction close to the mask 1 to compress the reset structure 222. At this time, the sliding sleeve 221 no longer squeezes the locking part 223, and the locking part 223 can slide freely in the slideway;

S2. Pull the first end 232 in the opposite direction, so that the locking member 223 is released from the locking groove 234;

S3, loosen the sliding sleeve 221 , the sliding sleeve 221 is pressed against the side wall of the first end 232 under the push of the reset structure 222 , and continue to pull the first end 232 until the first end 232 leaves the fixing tube 226 completely.

To sum up, using the locking assembly 22 and the first end 232 can quickly connect the fixing structure 21 and the oxygen supply tube 23 . After the patient wears the mask 1, quickly connect the oxygen supply tube 23 to the mask 1, and connect the passage between the mask 1 and the external oxygen supply equipment before the patient exhausts the oxygen inside the mask 1, so as to prevent the patient from losing oxygen in a short time. Danger due to lack of oxygen.

As shown in Figure 3, the intervention part 4 includes a guide structure 41 and a seal cover 43; one end of the guide structure 41 is fixedly connected to the mask 1, and the other end is detachably connected to the seal cover 43, and the inside of the guide structure 41 is fixed to the one-way structure 42 connect.

Specifically, the one-way structure 42 is a trumpet-shaped structure, which is made of rubber material, and the contracted end of the one-way structure 42 faces the mask 1 . During the bronchoscope operation, the sealing cover 43 is opened first, and then the doctor holds the bronchoscope through the one-way structure 42 to enter the inside of the mask 1 and insert it into the nasal cavity of the patient. The contracting end is closely attached to the outer wall of the bronchoscope. Due to the elasticity of the rubber material, the contracting end of the bronchoscope gradually expands during the operation, so that the bronchoscope can gradually enter the patient's trachea. And during the operation, the gas exhaled by the patient cannot enter the outside air through the one-way structure 42 .

As shown in Figures 2-3 and 5-6, the mask 1 includes a wearing frame 11, a transparent cover 12 and a fixing belt 13; the inner side of the wearing frame 11 is connected with the transparent cover 12, and the outer side is connected with the fixing belt 13; At this time, the fixing belt 13 is specific to the wearing frame 11 on the patient's head, so that the wearing frame 11 is close to the patient's skin, and there is a cavity between the transparent cover 12 and the patient's face.

Both the oxygen supply part 2 and the filter part 3 are connected with the cavity. The oxygen supply part 2 introduces oxygen provided by an external oxygen supply device into the cavity, so that the oxygen content in the cavity is higher than that in the atmosphere. Blocking prevents the way for lung pathogens to spread out of the mask 1 in the form of aerosol when the patient coughs, prevents environmental pollution, and protects medical personnel at the same time. The filter unit 3 filters the gas exhaled by the patient and discharges it outside the mask 1, blocking the way for lung pathogens to spread out of the mask 1 in the form of aerosols when the patient coughs, preventing environmental pollution and protecting medical personnel at the same time.

Preferably, a sealing layer 14 is provided on the side of the wearing frame 11 facing the patient's skin to enhance the airtightness of the cavity and prevent the gas exhaled by the patient from being discharged through the gap between the wearing frame 11 and the patient's skin.

In some embodiments of the present application, a filter membrane is provided inside the filter part 3 , and the filter membrane is detachably connected to the filter part 3 , and the gas exhaled by the patient is discharged out of the mask 1 after being filtered by the filter membrane.

The usage method of this embodiment:

S1, install the filter membrane into the inside of the filter part 3;

S2. Put the mask 1 on the patient's head and wrap the patient's face inside;

S3, the oxygen supply part 2 is connected with external oxygen supply equipment;

S4, open the sealing cover 43 and start the bronchoscopy operation.

Example 2

As shown in Figure 2-8, the differences between this embodiment and Embodiment 1 are:

The anti-return assembly 24 is arranged inside the fixed structure 21; after the first end 232 is inserted into the locking assembly 22, the anti-return assembly 24 is pushed open, so that the oxygen provided by the external oxygen supply equipment is introduced into the mask 1 through the oxygen supply tube 23; the second After the one end 232 withdraws from the locking assembly 22, the non-return assembly 24 is reset to prevent the gas inside the mask 1 from being discharged through the fixing structure 21 before the oxygen supply tube 23 is connected.

The non-return assembly 24 includes a lock ring 244, a slider 241, a presser 242 and a support structure 243; the support structure 243 and the lock ring 244 are both arranged on the inner side wall of the fixed structure 21; one end of the presser 242 is connected to the support structure 243 Connect, the other end squeezes the slider 241 on the side wall of the locking ring 244; when the first end 232 is inserted into the locking assembly 22, the first end 232 compresses the pressure device 242, so that the locking ring 244 and the slider 241 Generate a cavity between them, so that the oxygen provided by the external oxygen supply equipment enters the mask 1 through the oxygen supply tube 23 and the cavity.

Specifically, the presser 242 is a linear compression spring.

As shown in FIGS. 7-8 , a vent hole 233 is provided at the constricted portion of the first end 232 .

As shown in FIG. 4 , after the first end 232 is installed into the fixing pipe 226, the constricted part of the first end 232 withstands the slider 241 and compresses the presser 242, so that a cavity is formed between the locking ring 244 and the support structure 243, The oxygen in the oxygen supply tube 23 enters the fixed tube 226 through the air hole 233, and then enters the mask 1 through the cavity.

Example 3

As shown in Figure 4, the differences between this embodiment and Embodiment 1 are:

A sealing ring 225 is provided on the inner sidewall of the fixing tube 226 , and when the first end 232 is inserted into the fixing tube 226 , the sealing ring 225 is blocked between the fixing tube 226 and the first end 232 . Prevent oxygen from diffusing into the air from the gap between the fixed tube 226 and the first end 232 during the oxygen supply process, thereby reducing the oxygen content in the mask 1 and reducing the use effect of the protective mask.

The basic principles, main features and advantages of the present invention have been shown and described above. Those skilled in the art should understand that the present invention is not limited by the above-mentioned embodiments, and those described in the above-mentioned embodiments and description are only preferred examples of the present invention, and are not intended to limit the present invention, without departing from the spirit and scope of the present invention. Under the premise, the present invention will have various changes and improvements, and these changes and improvements all fall within the scope of the claimed invention. The protection scope of the present invention is defined by the appended claims and their equivalents.

Claims (9)

1. A tracheoscopic protective mask, used in tracheoscopic surgery, is characterized in that, comprising: A mask, optionally fixed on the patient's head and wrapping the patient's face inside; when the mask is fixed on the patient's head, a cavity is formed between the mask and the patient's face, so that the patient's face is prevented from being squeezed; The oxygen supply part includes a fixed structure and an oxygen supply tube; the fixed structure is fixed on the side of the mask away from the patient's face and communicates with the cavity, and the end of the fixed structure away from the mask is detachably connected to the oxygen supply tube; the oxygen supply tube The end away from the fixed structure is connected to the external oxygen supply equipment, and the oxygen provided by the external oxygen supply equipment is introduced into the mask, so that the oxygen content in the cavity is higher than the oxygen content in the atmosphere; A locking component is provided on one side to quickly lock or loosen the connection between the fixing structure and the oxygen supply tube; the locking component includes a fixing tube, a sliding sleeve, a reset structure, a locking member and a limiting structure; the A slideway is arranged inside the fixed tube; the locking member slides inside the slideway; the sliding sleeve, reset structure and limit structure are all arranged outside the fixed tube; one end of the reset structure is connected to the fixed tube , the other end presses the sliding sleeve against the side wall of the limiting structure; when there is no external force, the locking member protrudes from the inner side wall of the fixed tube under the pressure of the sliding sleeve; The intervention part is fixed on the side of the mask away from the patient's face and communicates with the cavity; the intervention part is opposite to the patient's mouth and nose; the inside of the intervention part is provided with a one-way structure, and the bronchoscope passes through the mask through the one-way structure Then enter the patient's nasal cavity, so that during the operation, the gas exhaled by the patient cannot enter the external air through the intervention part; The filter part is fixed on the side of the mask away from the patient's face and communicates with the cavity; the filter part filters the gas exhaled by the patient and discharges it out of the mask. 2. A kind of bronchoscopy protective mask according to claim 1, characterized in that, one end of the oxygen supply tube connected to the fixed structure is the first end, and the other end is the second end; the first end is inserted into the lock Tighten the interior of the component. 3 . A bronchoscope protective mask according to claim 2 , wherein a locking groove adapted to the locking member is provided on the side wall of the first end. 4 . 4. A kind of bronchoscopy protective mask according to claim 1, characterized in that, a non-return assembly is arranged inside the fixed structure; after one end of the oxygen supply tube is inserted into the locking assembly, the anti-return assembly is pushed away , so that the oxygen provided by the external oxygen supply equipment is introduced into the mask through the oxygen supply tube; after the oxygen supply tube withdraws from the locking assembly, the non-return assembly is reset to prevent the gas inside the mask from being discharged through the fixed structure. 5. A kind of bronchoscopy protective mask according to claim 4, characterized in that, the anti-return assembly comprises a locking ring, a slide block, a presser and a supporting structure; the supporting structure and the locking ring are all arranged on On the inner wall of the fixed structure; one end of the presser is connected to the supporting structure, and the other end presses the slider against the side wall of the locking ring; when the oxygen supply tube is inserted into the locking assembly, the oxygen supply tube Compress the pressure device to form a cavity between the locking ring and the slider, so that the oxygen provided by the external oxygen supply equipment enters the mask through the oxygen supply tube and the cavity. 6. A kind of bronchoscopy protective mask according to any one of claims 1-5, characterized in that, the intervening part comprises a guide structure and a sealing cover; one end of the guide structure is fixedly connected with the mask, and the other end is connected with the mask. The sealing cover is detachably connected, and the inside of the guide structure is fixedly connected with the one-way structure. 7. A kind of bronchoscopy protective face shield according to any one of claims 1-5, characterized in that, the face shield comprises a wearing frame, a transparent cover and a fixing belt; the inboard of the wearing frame is connected with the transparent cover, The outer side is connected with the fixing belt; when wearing the mask, the fixing belt will fix the wearing frame on the patient's head, so that the wearing frame is close to the patient's skin, and a cavity is formed between the transparent cover and the patient's face; the oxygen supply part and the filter The parts are all connected with the cavity. 8 . A bronchoscope protective mask according to claim 7 , wherein a sealing layer is arranged on the side of the wearing frame facing the patient's skin. 9. A bronchoscope protective mask according to any one of claims 1-5, wherein a filter membrane is arranged inside the filter part, the filter membrane is detachably connected to the filter part, and the gas exhaled by the patient is filtered Membrane filtered and discharged outside the mask.

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