CN110812535A - Ear-hanging type nasal secretion collecting device and method - Google Patents

Abstract

The invention discloses an ear-hook type nasal secretion collection device and a collection method, comprising an ear-hook and a liquid storage cavity connected to the ear-hook, wherein the liquid storage cavity is a cylindrical structure with an opening at one end, and the liquid storage cavity The opening of the cavity is provided with a rubber sealing cover, the liquid storage cavity is provided with a micro negative pressure pump, and the air suction port of the micro negative pressure pump is communicated with the inner cavity of the liquid storage cavity; the closed end of the liquid storage cavity A suction head is connected through a PE hose, the suction head is a hollow cylindrical structure, the end of the suction head away from the PE hose has a sharp part, and a suction port is opened on the side wall of the suction head, The inside of the suction head is provided with a one-way valve corresponding to the suction port. The ear-hook type nasal secretion collecting device of the present invention has high collection efficiency for nasal secretions, and can prevent the phenomenon of backflow.

Description

Ear-hook nasal secretion collection device and collection method

technical field

The invention relates to the field of medical appliances, in particular to an ear-hook nasal secretion collection device and a collection method.

Background technique

In routine nasal surgery, treatment and care such as hemostasis and analgesia are often required. Usually, gauze or hemostatic sponge is filled in the nasal cavity of the patient to prevent the blood in the gauze or hemostatic sponge from flowing out, and it needs to be replaced every once in a while. Packing gauze or hemostatic sponge brings inconvenience to medical staff's operation and affects the efficiency of operation.

SUMMARY OF THE INVENTION

In order to solve the problems existing in the prior art, the present invention provides an ear-hook type nasal secretion collection device and collection method, which has high collection efficiency for nasal secretions and can prevent the phenomenon of backflow.

For achieving the above object, the technical scheme adopted in the present invention is:

An ear-hook type nasal secretion collection device, comprising an ear-hook and a liquid storage cavity connected to the ear-hook, the liquid storage cavity is a cylindrical structure with an opening at one end, and the opening of the liquid storage cavity is provided with rubber A sealing cover, the liquid storage cavity is provided with a micro negative pressure pump, and the air suction port of the micro negative pressure pump is communicated with the inner cavity of the liquid storage cavity; the closed end of the liquid storage cavity is connected with a suction pipe through a PE hose The PE hose is provided with a medical infusion regulator, the suction head is a hollow cylindrical structure, the end of the suction head away from the PE hose has a sharp part, and the side wall of the suction head has a sharp part. A suction port is opened on the top, and a check valve is provided inside the suction head corresponding to the suction port.

During the operation, the patient is in a lying state, the device is worn through the ear hook, the suction head is inserted into the gauze or hemostatic sponge in the patient's nasal cavity through the sharp part, and the micro negative pressure pump is turned on to generate negative pressure in the suction head. The nasal secretions in the gauze or hemostatic sponge are stuffed for collection, and a one-way valve corresponding to the suction port is set in the suction head to prevent backflow.

The invention can facilitate the continuous collection of the nasal secretions in the gauze packing or hemostatic sponge in the nasal cavity of the patient, without the need for medical staff to regularly replace the packing gauze or the hemostatic sponge, thereby improving the operation efficiency, and at the same time, it can also effectively prevent inhalation The liquid in the reservoir chamber is backflowing.

Preferably, the one-way valve is a spherical crown protruding toward the inside of the suction head, the one-way valve is made of rubber material, and a one-way port is provided on the one-way valve, and the one-way port faces the suction head. The port inside the head is in the shape of a slit, and the port of the one-way port facing the outside of the suction head is oval. When the suction head is in a negative pressure state, the one-way valve expands, so that the one-way port is oriented towards the suction head. The port inside the head is opened, and the inside of the suction head communicates with the outside; when the suction head is in a flat pressure or pressurized state, the one-way valve is compressed, so that the port of the one-way port facing the inside of the suction head is closed , the suction head is closed inside and outside.

The one-way valve is made of flexible rubber material, which is convenient for the expansion and contraction of the one-way valve. When the micro negative pressure pump is normally opened, the suction head is in a negative pressure state, and the one-way valve expands to the inside of the suction head. The inner port is pulled open by the expansion of the one-way valve, so that the inside and the outside of the suction head are connected, which facilitates the suction of the liquid and gas in the hemostatic sponge into the suction head. The crown can make the one-way valve and the suction port fill with a part of the hemostatic sponge, so that the suction head can be inserted into the hemostatic sponge more firmly; when the micro negative pressure pump stops working, and the micro negative pressure pump stops When the temperature changes or pressurization occurs, the suction head is in a pressurized state, the one-way valve is compressed to the outside of the suction head, and the inner port of the one-way port is closed under the action of the one-way valve compression, so that the inside of the suction head and the suction head are in a closed state. External closure (this closure is not a complete tight closure, the closed state alone is enough to meet the micro-pressurization in the suction head, when the pressure is too large, the device needs to be removed and stopped), preventing the liquid in the suction head from being sucked into the suction head. External reverse flow of the head.

Preferably, the two ends of the one-way port facing the inside of the suction head have smooth transitions. When the one-way valve expands and the port inside the one-way port is opened, the two ends of the crack-shaped port can be prevented from being opened. Tear due to stress concentration.

Preferably, the ear hook includes a block that is clamped to the side wall of the liquid storage chamber and a hanging body that is connected to the open-ring hooking ear; The outer side wall of the liquid chamber is provided with a clamping groove which is matched with the clamping block along the circumferential direction thereof.

The setting of the card slot can effectively prevent the liquid storage chamber from slipping off during use. At the same time, the card block is in the shape of an excellent arc with a central angle of 210°, which not only facilitates the installation of the liquid storage chamber on the card block, but also enables the card block to have a good effect on the liquid storage chamber. Solid gripping effect.

Preferably, earplugs are provided on the outer side wall of the liquid storage cavity, which further improves the wearing effect of the collection device, and the auxiliary ear hooks fix the liquid storage cavity to improve the overall wearing stability of the liquid storage cavity.

Preferably, one end of the PE hose away from the liquid storage chamber is connected with two branch pipes through a medical three-way valve, and one end of the two branch pipes away from the PE hose is respectively connected with the suction head.

The PE hose connects two suction heads, which is suitable for the use of two nasal cavities, and there is a medical three-way valve at the intersection of the PE hose and the two branches, which is conducive to flexible adjustment and adjustment of the suction of the two branches according to the treatment needs. switch.

The present invention also provides a method for collecting nasal secretions using the above-mentioned ear-hook type nasal secretion collecting device, the technical scheme of which is as follows:

A method for collecting nasal secretions, comprising the following steps:

S1. Hang the ear hook on the patient's ear, and the liquid storage cavity is at the position of the patient's ear;

S2. Insert the sharp part of the suction head into the stuffing gauze or hemostatic sponge in the patient's nasal cavity, and turn on the micro negative pressure pump to generate negative pressure in the liquid storage cavity and the suction head;

S3. The one-way valve expands and deforms to the inside of the suction head, the port of the one-way port facing the inside of the suction head is opened, and the one-way port connects the inside and the outside of the suction head, and completes the collection of nasal secretions under the action of negative pressure.

Preferably, in step S2, the suction head is inserted into the stuffing gauze or hemostatic sponge in the patient's nasal cavity to a depth of 0.8cm-1.2cm.

Preferably, the method also includes the following steps:

The one-way valve is compressed to the outside of the suction head, and the port of the one-way port toward the inside of the suction head is squeezed and closed, so that the inside and outside of the suction head are in a closed state, preventing the nasal secretions inside the suction head from flowing back to the outside of the suction head .

The beneficial effects of the present invention are:

1. The present invention can facilitate the continuous collection of the nasal secretions in the gauze or hemostatic sponge in the patient's nasal cavity, without the need for medical staff to regularly replace the gauze or the hemostatic sponge, improve the operation efficiency, and at the same time, can effectively Prevents backflow of liquid sucked into the reservoir chamber.

2. The one-way valve is made of flexible rubber material, which is convenient for the expansion and contraction of the one-way valve. When the micro negative pressure pump is normally opened, the suction head is in a negative pressure state, and the one-way valve expands to the inside of the suction head. The inner port of the mouth is pulled open by the expansion of the one-way valve, so that the inside and the outside of the suction head are connected, and it is convenient to suck the liquid and gas in the hemostatic sponge into the suction head. The spherical crown of the one-way valve and the suction port can be filled with a part of the hemostatic sponge, so that the suction head can be inserted into the hemostatic sponge more firmly; when the micro negative pressure pump stops working and the micro negative pressure pump stops working When the temperature in the cavity changes or pressurization occurs, the suction head is in a pressurized state, the one-way valve is compressed to the outside of the suction head, and the inner port of the one-way port is closed under the action of the one-way valve compression, so that the suction head is compressed. The inside and outside are closed to prevent the liquid in the suction head from flowing back to the outside of the suction head.

3. The two ends of the one-way port facing the inside of the suction head have a smooth transition. When the one-way valve expands and the port inside the one-way port is opened, it can prevent stress concentration at both ends of the crack-shaped port and tearing. crack.

4. The setting of the card slot can effectively prevent the liquid storage chamber from slipping off during use. At the same time, the card block is in the shape of an excellent arc with a central angle of 210°, which is convenient for installing the liquid storage chamber on the card block, and makes the card block to the liquid storage. The cavity has a firm gripping effect.

5. Earplugs are arranged on the outer side wall of the liquid storage cavity, which further improves the wearing effect of the collecting device. The auxiliary ear hooks fix the liquid storage cavity and improve the overall wearing stability of the liquid storage cavity.

6. The PE hose connects two suction heads, which is suitable for the use of two nasal cavities, and a medical three-way valve is provided at the intersection of the PE hose and the two branches, which is conducive to the flexible suction of the two branches according to the treatment needs. Adjust and switch.

Description of drawings

1 is a front view of an ear-hook nasal secretion collection device according to an embodiment of the present invention;

2 is a side view of an ear-hook nasal secretion collection device according to an embodiment of the present invention;

Fig. 3 is the enlarged view of A place in Fig. 2;

FIG. 4 is an enlarged view of the position B in FIG. 3 when the inside of the suction head according to the embodiment of the present invention is in a flat or pressurized state;

FIG. 5 is an enlarged view of the position B in FIG. 3 when the inside of the suction head according to the embodiment of the present invention is in a negative pressure state;

FIG. 6 is a schematic diagram of the internal structure of the liquid storage chamber according to the embodiment of the present invention.

Description of reference numbers:

1. Liquid storage chamber; 110, rubber sealing cover; 120, card slot; 2, ear hook; 210, hanging body; 220, clip; 3, medical infusion regulator; 4, PE hose; 410, medical tee valve; 420, branch pipe; 5, suction head; 510, suction port; 520, one-way valve; 521, one-way port; 6, earplugs; 7, micro negative pressure pump.

Detailed ways

The embodiments of the present invention will be described in detail below with reference to the accompanying drawings.

Example:

As shown in Figures 1-3, an earhook type nasal secretion collection device includes an earhook 2 and a liquid storage cavity 1 connected to the earhook 2. The liquid storage cavity 1 is a cylindrical shape with an opening at one end. structure, the opening of the liquid storage chamber 1 is provided with a rubber sealing cover 110, the liquid storage chamber 1 is provided with a micro negative pressure pump 7, and the micro negative pressure pump 7 can be selected from the D35 series produced by Chengdu Hailin Technology Co., Ltd. Or D50 series micro negative pressure pump 7, the suction port of this micro negative pressure pump 7 is connected with the inner cavity of the liquid storage chamber 1; the closed end of the liquid storage chamber 1 is connected with a suction head 5 through a PE hose 4 , the PE hose 4 is provided with a medical infusion regulator 3, the suction head 5 is a hollow cylindrical structure, and the end of the suction head 5 away from the PE hose 4 has a sharp part, and the suction head 5 has a sharp part. A suction port 510 is opened on the side wall of the head 5 , and a check valve 520 is provided inside the suction head 5 corresponding to the suction port 510 .

During the operation, the patient is in a lying state, the device is put on through the ear hook 2, the suction head 5 is inserted into the gauze or hemostatic sponge in the patient's nasal cavity through the sharp part, the micro negative pressure pump 7 is turned on, and the suction head 5 is generated. Negative pressure to collect nasal secretions in the stuffing gauze or hemostatic sponge, and a one-way valve 520 corresponding to the suction port 510 is set in the suction head 5. When the patient's head turns, the position of the liquid storage chamber 1 is higher than the suction head. 5 o'clock to prevent backflow.

The invention can facilitate the continuous collection of the nasal secretions in the gauze packing or hemostatic sponge in the nasal cavity of the patient, without the need for medical staff to regularly replace the packing gauze or the hemostatic sponge, thereby improving the operation efficiency, and at the same time, it can also effectively prevent inhalation The liquid in the liquid storage chamber 1 flows back.

In one embodiment, the one-way valve 520 is a spherical crown protruding toward the inside of the suction head 5 , the one-way valve 520 is made of rubber material, and the one-way valve 520 is provided with a one-way port 521 , the port of the one-way port 521 toward the inside of the suction head 5 is in the shape of a slit, and the port of the one-way port 521 toward the outside of the suction head 5 is in the shape of an ellipse, as shown in FIG. In the pressure state, the one-way valve 520 expands, so that the port of the one-way port 521 toward the inside of the suction head 5 is opened, and the inside and the outside of the suction head 5 communicate; as shown in FIG. 4 , when the suction head 5 When the inside is in a flat pressure or pressurized state, the one-way valve 520 is compressed, so that the port of the one-way port 521 facing the inside of the suction head 5 is closed, and the inside and the outside of the suction head 5 are closed.

The one-way valve 520 is made of flexible rubber material, which is convenient for the expansion and contraction of the one-way valve 520. When the micro negative pressure pump 7 is normally turned on, the suction head 5 is in a negative pressure state, and the one-way valve 520 is directed to the inner side of the suction head 5. expansion, the inner port of the one-way port 521 is pulled open under the action of the expansion of the one-way valve 520, so that the inside and the outside of the suction head 5 are connected, so that the liquid and gas in the hemostatic sponge can be easily sucked into the suction head 5. The one-way valve 520 has an inwardly protruding spherical crown, which can fill a part of the hemostatic sponge in the one-way valve 520 and the suction port 510, so that the suction head 5 can be inserted into the hemostatic sponge more firmly; when the micro negative pressure pump 7 Stop working, and when the micro negative pressure pump 7 stops working due to the temperature change in the liquid storage chamber 1 or the pressurization, the suction head 5 is in a pressurized state, the one-way valve 520 is compressed to the outside of the suction head 5, and the one-way port The inner port of 521 is in a closed state under the action of the compression of the one-way valve 520, so that the inside and outside of the suction head 5 are closed (this closure is not completely tight sealing, and the closed state alone is sufficient to satisfy the micro-pressurization in the suction head 5). In some cases, when the pressure is too large, the device needs to be removed and stopped), to prevent the liquid in the suction head 5 from flowing back to the outside of the suction head 5 .

In one embodiment, the two ends of the one-way port 521 facing the inside of the suction head 5 have smooth transitions. When the one-way valve 520 expands and the port inside the one-way port 521 is opened, it can prevent the Both ends of the crack-shaped port were torn due to stress concentration.

In one of the embodiments, as shown in FIG. 2 and FIG. 6 , the ear hook 2 includes a clamping block 220 that is clamped to the side wall of the liquid storage chamber 1 and an open-ring hook connected to the clamping block 220 . The hanging body 210 of the ear; the clamping block 220 is in the shape of an excellent arc, and the outer side wall of the liquid storage chamber 1 is provided with a clamping groove 120 along the circumferential direction thereof, which is matched with the clamping block 220 .

The setting of the card slot 120 can effectively prevent the liquid storage chamber 1 from slipping off during use, and the card block 220 is in the shape of an excellent arc with a central angle of 210°, which not only facilitates the installation of the liquid storage chamber 1 on the card block 220, but also enables the card block to be installed. 220 has a stable clamping effect on the liquid storage chamber 1 .

In one of the embodiments, as shown in FIG. 1 , earplugs 6 are provided on the outer side wall of the liquid storage chamber 1, which further improves the wearing effect of the collection device. The stability of the overall wearing of the liquid storage chamber 1.

In one embodiment, as shown in FIG. 1 , one end of the PE hose 4 away from the liquid storage chamber 1 is connected with two branch pipes 420 through a medical three-way valve 410 , and the two branch pipes 420 are far away from the PE One end of the hose 4 is respectively connected with the suction head 5 .

The PE hose 4 is connected to the two suction heads 5, which is suitable for the use of two nasal cavities, and a medical three-way valve 410 is provided at the intersection of the PE hose 4 and the two branches 420, which is conducive to the suction of the two branches according to the treatment needs. Flexible adjustment and switching.

A method for collecting nasal secretions, comprising the following steps:

S1. Hang the ear hook on the patient's ear, and the liquid storage cavity is at the position of the patient's ear;

S2. Insert the sharp part of the suction head into the stuffing gauze or hemostatic sponge in the patient's nasal cavity, and turn on the micro negative pressure pump to generate negative pressure in the liquid storage cavity and the suction head;

S3. The one-way valve expands and deforms to the inside of the suction head, the port of the one-way port facing the inside of the suction head is opened, and the one-way port connects the inside and the outside of the suction head, and completes the collection of nasal secretions under the action of negative pressure.

In one embodiment, in step S2, the suction head is inserted into the gauze or hemostatic sponge in the nasal cavity of the patient to a depth of 0.8 cm-1.2 cm.

In one embodiment, the method further includes the following steps:

The one-way valve is compressed to the outside of the suction head, and the port of the one-way port toward the inside of the suction head is squeezed and closed, so that the inside and outside of the suction head are in a closed state, preventing the nasal secretions inside the suction head from flowing back to the outside of the suction head .

The above-mentioned embodiments only represent specific embodiments of the present invention, and the descriptions thereof are specific and detailed, but should not be construed as limiting the patent scope of the present invention. It should be pointed out that for those of ordinary skill in the art, without departing from the concept of the present invention, several modifications and improvements can also be made, which all belong to the protection scope of the present invention.

Claims (7)

1. An ear-hung nasal secretion collecting device is characterized by comprising an ear hanger and a liquid storage cavity connected to the ear hanger, wherein one end of the liquid storage cavity is of a cylindrical structure with an opening, a rubber sealing cover is arranged on the opening of the liquid storage cavity, a miniature negative pressure pump is arranged on the liquid storage cavity, and an air suction opening of the miniature negative pressure pump is communicated with an inner cavity of the liquid storage cavity; the closed end of the liquid storage cavity is connected with a suction head through a PE (polyethylene) hose, the suction head is of a hollow cylindrical structure, one end of the suction head, which is far away from the PE hose, is provided with a sharp part, the side wall of the suction head is provided with a suction port, and the inside of the suction head is provided with a one-way valve corresponding to the suction port.

2. The supra-aural nasal secretion collecting device according to claim 1, wherein the one-way valve is in a shape of a spherical crown protruding towards the inside of the suction head, the one-way valve is made of rubber material, a one-way port is arranged on the one-way valve, a port of the one-way port facing the inside of the suction head is in a slit shape, a port of the one-way port facing the outside of the suction head is in an oval shape, and when a negative pressure state is presented in the suction head, the one-way valve is expanded, so that the port of the one-way port facing the inside of the suction head is opened, and the inside and the outside of the suction head are communicated; when the suction head is in a flat pressure or pressurization state, the one-way valve is compressed, so that a port of the one-way port facing the inside of the suction head is closed, and the inside and the outside of the suction head are closed.

3. The supra-aural nasal secretion collecting device according to claim 2, wherein the one-way port is a smooth transition at both ends of the port facing the interior of the suction head.

4. The ear-hung nasal secretion collecting device according to claim 1 or 3, wherein the ear-hung device comprises a clamping block clamped on the side wall of the liquid storage cavity and a hanging body connected with an open-ring-shaped hanging ear part on the clamping block; the fixture block is a major arc, and a clamping groove matched with the fixture block is formed in the outer side wall of the liquid storage cavity along the circumferential direction of the outer side wall.

5. A nasal secretion collecting method using the ear-hung nasal secretion collecting device according to any one of claims 1 to 4, comprising the steps of:

s1, hanging the ear on the ear of the patient, wherein the liquid storage cavity is positioned at the ear of the patient;

s2, inserting the sharp part of the suction head into a gauze pad or a hemostatic sponge in the nasal cavity of the patient, and opening the micro negative pressure pump to generate negative pressure in the liquid storage cavity and the suction head;

s3, the one-way valve expands and deforms towards the inner side of the suction head, the port of the one-way port facing the inner part of the suction head is opened, the one-way port is communicated with the inner part and the outer part of the suction head, and the nasal secretion is collected under the action of negative pressure.

6. The nasal secretion collecting method according to claim 5, wherein the suction tip is inserted into the packed gauze or hemostatic sponge in the nasal cavity of the patient to a depth of 0.8cm to 1.2cm in step S2.

7. The nasal secretion collection method according to claim 5 or 6, further comprising the steps of:

the one-way valve is compressed towards the outer side of the suction head, and the port of the one-way port facing the inside of the suction head is squeezed and sealed, so that the inside and the outside of the suction head are in a sealed state, and the nasal secretion in the suction head is prevented from flowing backwards towards the outside of the suction head.

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