CN111888533A - Emergency department uses sputum aspirator - Google Patents
Emergency department uses sputum aspirator Download PDFInfo
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- CN111888533A CN111888533A CN202010626476.1A CN202010626476A CN111888533A CN 111888533 A CN111888533 A CN 111888533A CN 202010626476 A CN202010626476 A CN 202010626476A CN 111888533 A CN111888533 A CN 111888533A
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- box body
- sputum
- fixedly arranged
- emergency department
- sputum aspirator
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- 206010036790 Productive cough Diseases 0.000 title claims abstract description 84
- 208000024794 sputum Diseases 0.000 title claims abstract description 82
- 210000003802 sputum Anatomy 0.000 title claims abstract description 82
- 238000007789 sealing Methods 0.000 claims abstract description 16
- 239000007788 liquid Substances 0.000 claims abstract description 12
- 238000007599 discharging Methods 0.000 claims abstract description 6
- 206010062717 Increased upper airway secretion Diseases 0.000 abstract description 28
- 208000026435 phlegm Diseases 0.000 abstract description 28
- 239000000243 solution Substances 0.000 description 4
- 239000012895 dilution Substances 0.000 description 3
- 238000010790 dilution Methods 0.000 description 3
- 238000001125 extrusion Methods 0.000 description 3
- 208000022540 Consciousness disease Diseases 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 210000000214 mouth Anatomy 0.000 description 2
- 210000003437 trachea Anatomy 0.000 description 2
- FGRBYDKOBBBPOI-UHFFFAOYSA-N 10,10-dioxo-2-[4-(N-phenylanilino)phenyl]thioxanthen-9-one Chemical compound O=C1c2ccccc2S(=O)(=O)c2ccc(cc12)-c1ccc(cc1)N(c1ccccc1)c1ccccc1 FGRBYDKOBBBPOI-UHFFFAOYSA-N 0.000 description 1
- 238000004026 adhesive bonding Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000001131 transforming effect Effects 0.000 description 1
Images
Classifications
-
- A61M1/0023—
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M1/00—Suction or pumping devices for medical purposes; Devices for carrying-off, for treatment of, or for carrying-over, body-liquids; Drainage systems
- A61M1/84—Drainage tubes; Aspiration tips
- A61M1/85—Drainage tubes; Aspiration tips with gas or fluid supply means, e.g. for supplying rinsing fluids or anticoagulants
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- Health & Medical Sciences (AREA)
- Heart & Thoracic Surgery (AREA)
- Biomedical Technology (AREA)
- Hematology (AREA)
- Pulmonology (AREA)
- Vascular Medicine (AREA)
- Engineering & Computer Science (AREA)
- Anesthesiology (AREA)
- Oral & Maxillofacial Surgery (AREA)
- Surgery (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- External Artificial Organs (AREA)
Abstract
The invention discloses a sputum aspirator for emergency departments, which comprises a box body, a driving mechanism, a first moving mechanism, an exhaust mechanism, a sputum aspirating mechanism, a liquid discharging mechanism, a second moving mechanism, an atomizing nozzle, a phlegm eliminating mechanism, a valve and a sealing cover.
Description
Technical Field
The invention relates to a sputum aspirator, in particular to a sputum aspirator for an emergency department.
Background
The emergency medical department or emergency medical center is the department with the most centralized and most various severe patients and the most important rescue and management tasks in hospitals, and is the necessary way for all emergency patients to be admitted for treatment.
At present, the sputum aspirator that traditional emergency department used can't be with patient's sputum processing of reducing phlegm, leads to the sputum aspirator can't be with critical patient, especially consciousness disorder, the sputum is thick or expectoration difficulty, including the convenient suction of thick sputum in patient's body that is ventilated and supported through trachea cannula or tracheotomy machinery, not only reduced the result of use of sputum aspirator, still delayed patient's treatment progress, in view of above defect, it is necessary to design the sputum aspirator for emergency department in fact.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: provides a sputum aspirator for emergency department to solve the problems of the background technology.
In order to solve the technical problems, the technical scheme of the invention is as follows: the sputum aspirator for emergency department comprises a box body, a driving mechanism, a first moving mechanism, an exhaust mechanism, a sputum aspirating mechanism, a liquid draining mechanism, a second moving mechanism, an atomizing nozzle, a sputum aspirating mechanism, a valve and a sealing cover, wherein the driving mechanism is fixedly arranged at the middle side of the outer wall of the box body, the first moving mechanism is arranged at the upper end of the right side in the box body in a sliding manner, the exhaust mechanism is integrally arranged at the upper end of the right side in the box body, the sputum aspirating mechanism penetrates through the upper conical thread of the right side in the box body, the liquid draining mechanism is fixedly arranged at the lower end of the left side in the box body in a sealing manner, the second moving mechanism is arranged at the lower end of the left side in the box body in a sliding manner, the atomizing nozzle penetrates through the lower conical thread of the left side in the box body, the sputum aspirating mechanism is fixedly arranged at the left side of the atomizing nozzle, one end, the left side and the right side of the top of the box body are hinged with sealing covers, and the other ends of the sealing covers are connected with the box body through lock catches.
Further, actuating mechanism constitute by motor and cam, box body outer wall rear end medial side set firmly the motor, the motor head end rotate and run through in the box body, the fixed cover of motor head end be equipped with the cam.
Furthermore, first moving mechanism constitute by first sliding pin, first rubber slab and first spring, the inside right side upper end of box body slip and to have run through first sliding pin.
Furthermore, first smooth round pin one end set firmly first rubber slab, first rubber slab inboard both ends from top to bottom set firmly first spring, first spring and box body fixed connection.
Further, exhaust mechanism constitute by exhaust hole and first check valve, the inside right side upper end of box body integrative be equipped with the exhaust hole, exhaust hole inside set firmly first check valve.
Furthermore, inhale phlegm mechanism by inhale the phlegm pipe, place hole and second check valve and constitute, box body right side upper end awl screw thread run through and inhale the phlegm pipe, inhale the inside upper end of phlegm pipe an organic whole be equipped with and place the hole, inhale the phlegm pipe inside set firmly the second check valve.
Further, flowing back mechanism by place board, mounting hole and third check valve and constitute, the inside left side lower extreme of box body set firmly place the board, place the board inside an organic whole be equipped with the mounting hole of a plurality of quantity, mounting hole inside set firmly the third check valve.
Furthermore, the second moving mechanism consists of a second sliding pin, a second rubber plate and a second spring, and the second sliding pin penetrates through the lower end of the left side in the box body in a sliding manner.
Furthermore, a second rubber plate is fixedly arranged at one end of the second sliding pin, a second spring is fixedly arranged at the upper end and the lower end of the inner side of the second rubber plate, and the second spring is fixedly connected with the box body.
Furthermore, the phlegm reducing mechanism consists of a connecting pipe and a fourth one-way valve, the connecting pipe is fixedly arranged on the left side of the atomizing nozzle, one end of the connecting pipe fixedly penetrates through the phlegm sucking pipe, and the fourth one-way valve is fixedly arranged in the connecting pipe.
Compared with the prior art, this sputum aspirator for emergency department, can be with the critical patient, especially consciousness disorder, the thick or expectoration difficulty of sputum, including through trachea cannula or tracheotomy machinery ventilate thick sputum in the patient of support and be in limit dilution phlegm limit and inhale phlegm processing to this thick quick convenient suction of thick sputum of gluing the patient, can know from this, through using the device in this application, not only improved the device inhale phlegm effect, still ensured patient's treatment progress.
Drawings
FIG. 1 is a partial front cross-sectional view of a sputum aspirator for emergency department;
FIG. 2 is an enlarged partial cross-sectional view of the interior of the cartridge body;
FIG. 3 is a top view of the cartridge body;
fig. 4 is a circuit diagram of the sputum aspirator for emergency department.
The sputum suction device comprises a box body 1, a driving mechanism 2, a first moving mechanism 3, an exhaust mechanism 4, a sputum suction mechanism 5, a liquid discharge mechanism 6, a second moving mechanism 7, an atomizing nozzle 8, a sputum reducing mechanism 9, a valve 10, a sealing cover 11, a motor 12, a cam 13, a first sliding pin 14, a first rubber plate 15, a first spring 16, an exhaust hole 17, a first check valve 18, a sputum suction pipe 19, a placing hole 20, a second check valve 21, a placing plate 22, a mounting hole 23, a third check valve 24, a second sliding pin 25, a second rubber plate 26, a second spring 27, a connecting pipe 28 and a fourth check valve 29.
The following detailed description will be further described in conjunction with the above-identified drawings.
Detailed Description
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the concepts underlying the described embodiments. It will be apparent, however, to one skilled in the art, that the described embodiments may be practiced without some or all of these specific details. In other instances, well known process steps have not been described in detail.
Example 1
As shown in fig. 1 and 2, the sputum aspirator for emergency department comprises a box body 1, a driving mechanism 2, a first moving mechanism 3, an exhaust mechanism 4, a sputum aspirating mechanism 5, a liquid discharge mechanism 6, a second moving mechanism 7, an atomizer 8, a sputum aspirating mechanism 9, a valve 10 and a sealing cover 11, wherein the driving mechanism 2 is fixedly arranged at the middle side of the rear end of the outer wall of the box body 1, the first moving mechanism 3 is slidably arranged at the upper end of the right side in the box body 1, the exhaust mechanism 4 is integrally arranged at the upper end of the right side in the box body 1, the sputum aspirating mechanism 5 is penetrated through the upper end of the right side in the box body 1, the liquid discharge mechanism 6 is fixedly arranged at the lower end of the left side in the box body 1 in a sealing manner, the second moving mechanism 7 is slidably arranged at the lower end of the left side in the box body 1, the atomizer 8 is penetrated through the lower end of the left side of the box body 1, the phlegm reducing mechanism 9 one end fixed run through in inhaling phlegm mechanism 5, the mechanism 9 outside of reducing phlegm rotate and run through and have a valve 10, 1 top left and right sides of box body articulated have sealed lid 11, the sealed lid 11 other end be connected with 1 hasp of box body.
In the sputum aspirator for emergency department, medical personnel firstly insert the sputum aspirating mechanism 5 into the body of a patient from the oral cavity of the patient, then open the driving mechanism 2, when the driving mechanism 2 applies a pressing force to the first moving mechanism 3, the first moving mechanism 3 discharges the gas on the right side inside the box body 1 to the outside through the exhaust mechanism 4, so as to form a negative pressure inside the box body 1, under the action of the negative pressure suction force, sputum in the patient body is sucked into the right side in the box body 1 by the sputum sucking mechanism 5, when the driving mechanism 2 applies extrusion force to the second moving mechanism 7, the second moving mechanism 7 extrudes the phlegm between the liquid discharging mechanism 6 and the box body 1 to be injected into the patient body so as to dilute the sputum in the patient body, when the driving mechanism 2 again applies the pressing force to the first moving mechanism 3, at this time, the negative pressure formed at the right side inside the box body 1 sucks and treats the diluted sputum in the patient body.
Example 2
As shown in fig. 1, 2 and 3, the sputum aspirator for emergency department comprises a box body 1, a driving mechanism 2, a first moving mechanism 3, an exhaust mechanism 4, a sputum aspirating mechanism 5, a liquid discharging mechanism 6, a second moving mechanism 7, an atomizer 8, a phlegm reducing mechanism 9, a valve 10 and a sealing cover 11, wherein the driving mechanism 2 is fixedly arranged at the middle side of the rear end of the outer wall of the box body 1, the first moving mechanism 3 is slidably arranged at the upper end of the right side inside the box body 1, the exhaust mechanism 4 is integrally arranged at the upper end of the right side inside the box body 1, the phlegm aspirating mechanism 5 is penetrated through the upper end cone thread of the right side inside the box body 1, the liquid discharging mechanism 6 is fixedly arranged at the lower end of the left side inside the box body 1 in a sealing manner, the atomizer 8 is penetrated through the lower cone thread of the left side inside the box body 1, the phlegm reducing mechanism 9 is fixedly arranged at the left side of the atomizer 8, the sputum suction mechanism is characterized in that one end of the sputum suction mechanism 9 is fixedly penetrated through the sputum suction mechanism 5, a valve 10 is penetrated through the outside of the sputum suction mechanism 9 in a rotating mode, sealing covers 11 are hinged to the left side and the right side of the top of the box body 1, the other end of each sealing cover 11 is connected with the box body 1 in a locking mode, the driving mechanism 2 consists of a motor 12 and a cam 13, the motor 12 is fixedly arranged on the middle side of the rear end of the outer wall of the box body 1, the head end of the motor 12 is rotatably penetrated through the box body 1, the cam 13 is fixedly arranged at the head end of the motor 12 in a fixing mode, the first moving mechanism 3 consists of a first sliding pin 14, a first rubber plate 15 and a first spring 16, the first spring 16 is fixedly connected with the box body 1 in a sliding mode, one end of the first sliding pin 14 is fixedly arranged at the upper end of the right side of the first rubber plate 15, the upper end and the lower end of the inner, the sputum suction device is characterized in that the exhaust mechanism 4 is composed of an exhaust hole 17 and a first one-way valve 18, the exhaust hole 17 is integrally arranged at the upper end of the right side in the box body 1, the first one-way valve 18 is fixedly arranged in the exhaust hole 17, the sputum suction mechanism 5 is composed of a sputum suction pipe 19, a placing hole 20 and a second one-way valve 21, the sputum suction pipe 19 penetrates through the upper tapered thread of the right side of the box body 1, the placing hole 20 is integrally arranged at the upper end in the sputum suction pipe 19, the second one-way valve 21 is fixedly arranged in the sputum suction pipe 19, the liquid discharge mechanism 6 is composed of a placing plate 22, a mounting hole 23 and a third one-way valve 24, the placing plate 22 is fixedly arranged at the lower end of the left side in the box body 1, the mounting holes 23 of a plurality of pieces are integrally arranged in the placing plate 22, the third one-way valve 24 is fixedly arranged in the mounting hole 23, and the second moving mechanism 7 is composed of a second, Second rubber slab 26 and second spring 27 constitute, the inside left side lower extreme of box body 1 slide and run through the smooth round pin 25 of second, the smooth round pin 25 one end of second have set firmly second rubber slab 26, the inboard upper and lower both ends of second rubber slab 26 have set firmly second spring 27, second spring 27 and box body 1 fixed connection, phlegm reducing mechanism 9 constitute by connecting pipe 28 and fourth check valve 29, 8 left sides of atomizer have set firmly connecting pipe 28, connecting pipe 28 one end fixed run through in inhaling phlegm pipe 19, connecting pipe 28 inside set firmly fourth check valve 29.
This emergency department uses sputum aspirator, during the use, medical personnel open the left sealed lid 11 in box body 1 top earlier, pour phlegm into the inside left side of box body 1 again, at this moment, the phlegm solution is discharged into the left lower extreme in box body 1 through the mounting hole 23 of placing board 22 department, medical personnel close sealed lid 11 again, will inhale phlegm pipe 19 again and insert the patient internal from patient's oral cavity, medical personnel open valve 10 again, open motor 12 again, motor 12 drives cam 13 anticlockwise rotation, when cam 13 carries out the extrusion force to second sliding pin 25, second sliding pin 25 drives second rubber slab 26 and discharges the phlegm solution into atomizer 8, through the effect of atomizer 8 atomizing, make the phlegm solution after the atomizing pour into the patient internal through placing hole 20 by connecting pipe 28, so as to dilute the thick phlegm solution of patient internal phlegm, and synchronization, second spring 27 warp, when the cam 13 applies extrusion force to the first sliding pin 14, the second rubber plate 26 and the second sliding pin 25 are reset by the action of resilience force of the second spring 27, meanwhile, the first sliding pin 14 drives the first rubber plate 15 to discharge air on the right side inside the box body 1 from the exhaust hole 17 to the outside, synchronously, the first spring 16 is deformed, under the action of the second one-way valve 21, the air on the right side inside the box body 1 can be prevented from being discharged into a patient body from the sputum suction pipe 19, through the above manner, negative pressure suction is formed on the right side inside the box body 1, sputum diluted in the patient body is sucked into the patient body from the sputum suction pipe 19 under the action of the suction force, under the action of continuous counterclockwise rotation of the cam 13, the device is in a reciprocating operation state of sputum dilution, sputum suction and sputum dilution again, so as to quickly and conveniently suck and treat sputum in the patient body, the first spring 16 is for letting the first sliding pin 14 drive the first rubber 15 and reset, the first check valve 18 is for preventing the outside air from being discharged into the box body 1 through the exhaust hole 17, the third check valve 24 is for preventing the sputum transforming at the lower end of the left side inside the box body 1 from being discharged into the upper end of the left side inside the box body 1 when being extruded, and the fourth check valve 29 is for preventing the sputum in the patient from being discharged into the connecting pipe 28 through the placing hole 20.
As shown in FIG. 4, the motor 12 of the present application is connected to an external 220V power source, and the motor 12 is preferably of the type ZWPD 006006-26-12.
Claims (10)
1. The sputum aspirator for emergency department is characterized by comprising a box body, a driving mechanism, a first moving mechanism, an exhaust mechanism, a sputum aspirating mechanism, a liquid discharging mechanism, a second moving mechanism, an atomizing nozzle, a sputum aspirating mechanism, a valve and a sealing cover, wherein the driving mechanism is fixedly arranged at the middle side of the rear end of the outer wall of the box body, the first moving mechanism is slidably arranged at the upper end of the right side in the box body, the exhaust mechanism is integrally arranged at the upper end of the right side in the box body, the sputum aspirating mechanism penetrates through the conical threads at the upper end of the right side in the box body, the liquid discharging mechanism is fixedly arranged at the lower end of the left side in the box body in a sealing manner, the second moving mechanism is slidably arranged at the lower end of the left side in the box body, the atomizing nozzle penetrates through the conical threads at the lower end of the left side of the box body, the sputum aspirating mechanism is fixedly arranged at the left side of the atomizing, the left side and the right side of the top of the box body are hinged with sealing covers, and the other ends of the sealing covers are connected with the box body through lock catches.
2. The sputum aspirator for emergency department according to claim 1, wherein the driving mechanism comprises a motor and a cam, the motor is fixed in the middle of the rear end of the outer wall of the box body, the head end of the motor is rotatably inserted through the box body, and the cam is fixedly sleeved at the head end of the motor.
3. The sputum aspirator for emergency department according to claim 1, wherein the first moving mechanism comprises a first sliding pin, a first rubber plate and a first spring, and the first sliding pin is slidably penetrated through the upper end of the right side inside the box body.
4. The sputum aspirator for emergency department according to claim 3, wherein a first rubber plate is fixedly arranged at one end of the first sliding pin, first springs are fixedly arranged at the upper and lower ends of the inner side of the first rubber plate, and the first springs are fixedly connected with the box body.
5. The sputum aspirator for emergency department according to claim 1, wherein the exhaust mechanism comprises an exhaust hole and a first one-way valve, the upper end of the right side inside the box body is integrally provided with the exhaust hole, and the first one-way valve is fixedly arranged inside the exhaust hole.
6. The sputum aspirator for emergency department according to claim 1, wherein the sputum aspirating mechanism comprises a sputum aspirating tube, a placing hole and a second one-way valve, the sputum aspirating tube is threaded through the upper end of the right side of the box body, the placing hole is integrally formed at the inner upper end of the sputum aspirating tube, and the second one-way valve is fixedly arranged in the sputum aspirating tube.
7. The sputum aspirator for emergency department according to claim 1, wherein the drainage mechanism comprises a placing plate, a mounting hole and a third one-way valve, the placing plate is fixedly arranged at the lower end of the left side in the box body, a plurality of mounting holes are integrally formed in the placing plate, and the third one-way valve is fixedly arranged in the mounting hole.
8. The sputum aspirator for emergency department according to claim 1, wherein the second moving mechanism comprises a second sliding pin, a second rubber plate and a second spring, and the second sliding pin is slidably inserted through the lower end of the left side inside the box body.
9. The sputum aspirator for emergency department according to claim 8, wherein a second rubber plate is fixedly arranged at one end of the second sliding pin, second springs are fixedly arranged at the upper and lower ends of the inner side of the second rubber plate, and the second springs are fixedly connected with the box body.
10. The sputum aspirator for emergency department according to claim 1, wherein the sputum aspirating mechanism comprises a connecting tube and a fourth one-way valve, the connecting tube is fixedly arranged on the left side of the atomizing nozzle, one end of the connecting tube is fixedly penetrated through the sputum aspirating tube, and the fourth one-way valve is fixedly arranged in the connecting tube.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010626476.1A CN111888533A (en) | 2020-07-01 | 2020-07-01 | Emergency department uses sputum aspirator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010626476.1A CN111888533A (en) | 2020-07-01 | 2020-07-01 | Emergency department uses sputum aspirator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111888533A true CN111888533A (en) | 2020-11-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010626476.1A Pending CN111888533A (en) | 2020-07-01 | 2020-07-01 | Emergency department uses sputum aspirator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111888533A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113082302A (en) * | 2021-02-25 | 2021-07-09 | 中国人民解放军空军军医大学 | Emergency department is with inhaling phlegm device |
| CN113274564A (en) * | 2021-05-11 | 2021-08-20 | 西安交通大学医学院第二附属医院 | Abdominal drainage device for medical oncology |
| CN117731858A (en) * | 2024-01-24 | 2024-03-22 | 中国人民解放军陆军军医大学第二附属医院 | Sputum excretion device for surgical patient |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN209092305U (en) * | 2018-07-06 | 2019-07-12 | 西安交通大学医学院第一附属医院 | Division of respiratory disease gerontal patient's sputum aspirator |
| CN110124124A (en) * | 2019-05-22 | 2019-08-16 | 西安交通大学医学院第一附属医院 | Neurosurgical patients' expectoration device |
| CN111228586A (en) * | 2020-01-22 | 2020-06-05 | 江雪辰 | Breathe internal medicine nursing with phlegm sucking equipment that reduces |
-
2020
- 2020-07-01 CN CN202010626476.1A patent/CN111888533A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN209092305U (en) * | 2018-07-06 | 2019-07-12 | 西安交通大学医学院第一附属医院 | Division of respiratory disease gerontal patient's sputum aspirator |
| CN110124124A (en) * | 2019-05-22 | 2019-08-16 | 西安交通大学医学院第一附属医院 | Neurosurgical patients' expectoration device |
| CN111228586A (en) * | 2020-01-22 | 2020-06-05 | 江雪辰 | Breathe internal medicine nursing with phlegm sucking equipment that reduces |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113082302A (en) * | 2021-02-25 | 2021-07-09 | 中国人民解放军空军军医大学 | Emergency department is with inhaling phlegm device |
| CN113274564A (en) * | 2021-05-11 | 2021-08-20 | 西安交通大学医学院第二附属医院 | Abdominal drainage device for medical oncology |
| CN117731858A (en) * | 2024-01-24 | 2024-03-22 | 中国人民解放军陆军军医大学第二附属医院 | Sputum excretion device for surgical patient |
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Application publication date: 20201106 |