CN115253043B - Medicament injection device for laryngeal treatment - Google Patents
Medicament injection device for laryngeal treatment Download PDFInfo
- Publication number
- CN115253043B CN115253043B CN202210781945.6A CN202210781945A CN115253043B CN 115253043 B CN115253043 B CN 115253043B CN 202210781945 A CN202210781945 A CN 202210781945A CN 115253043 B CN115253043 B CN 115253043B
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- Prior art keywords
- hose
- micro
- head
- superfine
- outlet end
- Prior art date
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- 238000002347 injection Methods 0.000 title claims abstract description 67
- 239000007924 injection Substances 0.000 title claims abstract description 67
- 239000003814 drug Substances 0.000 title claims abstract description 49
- 239000000835 fiber Substances 0.000 claims abstract description 29
- 238000000034 method Methods 0.000 claims description 22
- 229940079593 drug Drugs 0.000 claims description 19
- 230000003902 lesion Effects 0.000 claims description 18
- 238000002560 therapeutic procedure Methods 0.000 claims description 10
- 238000005507 spraying Methods 0.000 claims description 8
- 239000011148 porous material Substances 0.000 claims description 5
- 238000010146 3D printing Methods 0.000 claims description 3
- 239000003822 epoxy resin Substances 0.000 claims description 2
- 229920000647 polyepoxide Polymers 0.000 claims description 2
- 239000003795 chemical substances by application Substances 0.000 claims 1
- 238000001647 drug administration Methods 0.000 claims 1
- 239000007921 spray Substances 0.000 description 8
- 238000012377 drug delivery Methods 0.000 description 6
- 239000000243 solution Substances 0.000 description 4
- 230000008878 coupling Effects 0.000 description 3
- 238000010168 coupling process Methods 0.000 description 3
- 238000005859 coupling reaction Methods 0.000 description 3
- 238000012800 visualization Methods 0.000 description 3
- 210000001260 vocal cord Anatomy 0.000 description 3
- 239000004593 Epoxy Substances 0.000 description 1
- 206010018691 Granuloma Diseases 0.000 description 1
- 208000029951 Laryngeal disease Diseases 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000008094 contradictory effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 208000035475 disorder Diseases 0.000 description 1
- 239000003640 drug residue Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000003384 imaging method Methods 0.000 description 1
- 238000007639 printing Methods 0.000 description 1
- 238000004513 sizing Methods 0.000 description 1
- 238000004659 sterilization and disinfection Methods 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
- 230000001755 vocal effect Effects 0.000 description 1
- 208000011293 voice disease Diseases 0.000 description 1
Classifications
-
- 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
- A61M31/00—Devices for introducing or retaining media, e.g. remedies, in cavities of the body
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B1/00—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor
- A61B1/012—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor characterised by internal passages or accessories therefor
- A61B1/018—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor characterised by internal passages or accessories therefor for receiving instruments
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B1/00—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor
- A61B1/267—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor for the respiratory tract, e.g. laryngoscopes, bronchoscopes
-
- 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
- A61M2210/00—Anatomical parts of the body
- A61M2210/06—Head
- A61M2210/0625—Mouth
- A61M2210/065—Throat; Pharynx
Landscapes
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Surgery (AREA)
- Veterinary Medicine (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Pathology (AREA)
- Optics & Photonics (AREA)
- Molecular Biology (AREA)
- Medical Informatics (AREA)
- Physics & Mathematics (AREA)
- Biophysics (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Radiology & Medical Imaging (AREA)
- Hematology (AREA)
- Otolaryngology (AREA)
- Anesthesiology (AREA)
- Pulmonology (AREA)
- Physiology (AREA)
- Infusion, Injection, And Reservoir Apparatuses (AREA)
- Endoscopes (AREA)
Abstract
The three connecting ends of the three-way connecting pipe are respectively connected with the outlet end of the injector, the outlet end of the first one-way valve and the inlet end of the second one-way valve through the first connecting hose, the second connecting hose and the third connecting hose; the outlet end of the second check valve is connected with the inlet end of the superfine hose, the outlet end of the superfine hose is provided with a micropore injection head, the superfine hose is inserted into the inner channel of the fiber laryngoscope, the outlet end of the superfine hose extends out of the outlet end of the inner channel of the fiber laryngoscope, and the inlet end of the superfine hose is provided with the outside of the inlet end of the medicine filling cavity.
Description
Technical Field
The present invention relates to a drug injection device for laryngeal therapy.
Background
Treatment of laryngeal and vocal disorders (e.g., polyps of the vocal cords, granulomas of the throat, etc.) is largely limited by the current mode of administration of the throat. In general, there are two methods of laryngeal administration in clinic for treating such laryngeal and voice diseases, one is to administer the drug to the laryngeal through an indirect laryngoscope, however, this treatment method is to find the lesion position by means of physical transmission of the mirror to the light imaging mode, then to drop the drug to the lesion position, and the patient is required to actively vibrate and sound the vocal cords to assist the drug to drop during the treatment. Such treatment methods do not allow for precise control of the drug dosage and visualization of the dosing process, and the treatment process is difficult and patient-friendly. The other method is to deliver the drug to the throat through the channel in the fiber laryngoscope, however, although the treatment method can realize the visualization of the drug delivery process in the treatment process through the laryngoscope, because the drug is dropped on the lesion position by the gravity of the drug and the active vibration sounding of the vocal cords of the patient in the treatment process, the accurate control of the drug dosage can not be realized and the medical compliance of the patient is poor.
Disclosure of Invention
The invention solves the defects of the prior art, provides the medicament injection device for the throat treatment, which has the advantages of simple structure, convenient operation, controllable throat administration dosage and visual administration process, and improves the throat administration efficiency.
In order to achieve the above purpose, the present invention firstly proposes a medicament injection apparatus for laryngeal therapy, which comprises a fiber laryngoscope, an injector, a three-way connecting tube, a first check valve, a second check valve and an ultra-fine hose, wherein three connecting ends of the three-way connecting tube are respectively connected with an outlet end of the injector, an outlet end of the first check valve and an inlet end of the second check valve through the first connecting hose, the second connecting hose and the third connecting hose; the outlet end of the second one-way valve is connected with the inlet end of the superfine hose, the outlet end of the superfine hose is provided with a micropore injection head, the superfine hose is inserted into the inner channel of the fiber laryngoscope, and the outlet end of the superfine hose extends out from the outlet end of the inner channel of the fiber laryngoscope.
By adopting the structure, when the device is used, firstly, the fiber laryngoscope is inserted into a lesion position, then the superfine hose penetrates through a medicine filling cavity of the fiber laryngoscope, so that the micropore injection head extends out of the fiber laryngoscope, the lesion position is accurately reached, the position of the head end of the fiber laryngoscope is adjusted, the micropore injection head is aligned to the lesion position, then, the syringe is used for sucking medicine, and the medicine in the syringe is injected to the lesion position through the first connecting hose, the three-way connecting hose, the second one-way valve, the superfine hose and the micropore injection head in sequence, so that the first medicine feeding action is completed; the first check valve and the second check valve are set, so that the connection between the injector and the first connecting hose is maintained, the piston end of the injector is pulled outwards, the injector sucks air from the first check valve, the air sucked by the injector is injected into the superfine hose through the second check valve, and therefore the medicine remained in the superfine hose is sprayed to a lesion position through the micropore spraying head, and the second medicine feeding action is completed; repeating the second drug delivery action for 2-3 times to ensure that all residual drugs in the superfine hose are injected, thus completing the injection treatment of the drugs at the throat, so that the device is matched with the fiber laryngoscope to ensure that the drug delivery position of the device is accurate, the function of the one-way valve is utilized to reduce the drug residues on the tube wall, realize the controllability of the drug delivery of the throat treatment and the visibility of the drug delivery process and improve the drug delivery efficiency at the throat; each part is through first coupling hose, second coupling hose, third coupling hose interconnect to the convenience is dismantled disinfection to the part that can reuse, has practiced thrift medical cost.
In this embodiment, the superfine hose is a hose having a diameter of 1.2 mm.
As one embodiment of the micro-hole injection head, the micro-hole injection head is manufactured by a 3D printing process.
In this embodiment, the inlet end of the micropore injection head is connected with the outlet end of the superfine hose in an interference fit manner.
In this embodiment, be provided with multiunit through-hole on the lateral wall that micropore injection head is close to the entrance point and constitute rubberizing hole, micropore injection head entrance point internal diameter and superfine hose exit point external diameter phase-match, superfine hose exit point cartridge is in micropore injection head entrance point for the through-hole on the micropore injection head is arranged in on superfine hose's the outer wall, through injecting epoxy in rubberizing hole with superfine hose and micropore injection head fixed connection. The micropore injection head is manufactured by adopting the high-precision 3D printer, and when the 3D printer is used for printing, the sizing holes are reserved, so that the connection of the follow-up micropore injection head and the superfine hose is convenient, and the fixation stability and firmness of the follow-up micropore injection head and the superfine hose are ensured.
In this embodiment, the tip of micropore injection head is equipped with a plurality of through-holes that form the orifice of arranging in an array to can realize the even array of medicine and spray through micropore injection head, improve the efficiency of dosing to treatment.
In this embodiment, each nozzle hole has a diameter of 180 μm.
As another implementation mode of the micropore injection head, a plurality of through holes which are arranged in an array form spray holes are arranged at the end part of the micropore injection head, the spray holes at the end part of the micropore injection head are manufactured by a piercing process at the end part of the superfine hose through piercing needles, and the diameter of the spray holes is 180 mu m. The micropore injection head is manufactured by adopting the mode, so that the micropore injection head and the superfine hose are integrally formed, and the micropore injection head is prevented from falling off in the use process.
To sum up, this device utilizes the syringe as the instrument of dosing, can accurate control throat treatment dosing, and through the cooperation of two check valves, inflates in the superfine hose through the syringe moreover, reduces the medicine and remain in the pipe wall and improve throat efficiency of dosing to utilize the fiber laryngoscope, realize the visualization of dosing process.
Drawings
Fig. 1 is a perspective view of the present invention.
Fig. 2 is a front view of the present invention.
FIG. 3 is a schematic view of the structure of one embodiment of the micro-porous spray head of the present invention.
Fig. 4 is a cross-sectional view of fig. 3 of the present invention.
FIG. 5 is a schematic structural view of another embodiment of the micro-porous spray head of the present invention.
Fig. 6 is a graph comparing drug availability compared to a fiber laryngoscope according to the invention.
Fig. 7 is a view of a fiber laryngoscope during use of the invention.
Reference numerals illustrate: 101. a syringe; 102. a three-way connecting pipe; 103. an ultrafine hose; 201. a first connection hose; 202. a second connection hose; 203. a third connecting hose; 301. a first one-way valve; 302. a second one-way valve; 303. a micro-hole jet head; 303-1, a rubberizing hole; 303-2, spray holes; 4. and (3) perforating needles.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
In addition, the technical solutions of the embodiments of the present invention may be combined with each other, but it is necessary to be based on the fact that those skilled in the art can implement the technical solutions, and when the technical solutions are contradictory or cannot be implemented, the combination of the technical solutions should be considered as not existing, and not falling within the scope of protection claimed by the present invention.
As shown in fig. 1 to 5, the present invention includes a medicament injection apparatus for laryngeal therapy, including a fiber laryngoscope, a syringe 101, a three-way connection tube 102, a first check valve 301, a second check valve 302, and an ultra-fine hose 103, three connection ends of the three-way connection tube 102 being connected to an outlet end of the syringe 101, an outlet end of the first check valve 301, and an inlet end of the second check valve 302 through a first connection hose 201, a second connection hose 202, and a third connection hose 203, respectively; the outlet end of the second one-way valve 302 is connected with the inlet end of the superfine hose 103, the outlet end of the superfine hose 103 is provided with a micropore injection head 303, the superfine hose 103 is inserted into the inner channel of the fiber laryngoscope, the outlet end of the superfine hose 103 extends out of the outlet end of the inner channel of the fiber laryngoscope, and the inlet end of the superfine hose 103 is arranged outside the inlet end of the inner channel of the fiber laryngoscope; the superfine hose 103 is a hose with the diameter of 1.2 mm;
as an implementation mode of the micro-pore injection head 303 of the device, the micro-pore injection head 303 is manufactured by adopting a 3D printing process, the inlet end of the micro-pore injection head 303 is connected with the outlet end of the superfine hose 103 by adopting interference fit, the end part of the micro-pore injection head 303 is provided with a 3 x 3 array of through holes to form injection holes 303-2, and the diameter of each injection hole 303-2 is 180 mu m; the micro-hole injection head 303 is connected with the micro-hole hose 103 in another way, a plurality of groups of through holes are formed in the side wall of the inlet end of the micro-hole injection head 303 to form a rubberizing hole, the inner diameter of the inlet end of the micro-hole injection head 303 is matched with the outer diameter of the outlet end of the micro-hole hose 103, the outlet end of the micro-hole hose 103 is inserted into the inlet end of the micro-hole injection head 303, and epoxy resin is injected into the rubberizing hole to fixedly connect the micro-hole hose 103 with the micro-hole injection head 303;
as another embodiment of the micro-hole injection head 303 of the present device, the micro-hole injection head 303 is formed by forming a plurality of through holes at the end of the ultra-fine hose 103 by a piercing process, wherein the piercing process is as follows: the process of forming the spray holes 303-2 by vertically piercing the end surface of the ultra-fine hose 103 using the 3 x 3 array of piercing needles 4.
In the use process, firstly, a fiber laryngoscope is inserted into a lesion position, then an ultrafine hose 103 passes through a medicine filling cavity of the fiber laryngoscope, as shown in fig. 7, so that a micropore injection head 303 extends out of the fiber laryngoscope, the lesion position is accurately reached, the position of the head end of the fiber laryngoscope is adjusted, so that the micropore injection head 303 is aligned with the lesion position, then an injector 101 is used for sucking medicine, and medicines in the injector 101 are sequentially injected to the lesion position through a first connecting hose 201, a three-way connecting pipe 102, a second one-way valve 302, the ultrafine hose 103 and the micropore injection head 303, so that the first medicine feeding action is completed; due to the setting of the first check valve 301 and the second check valve 302, the connection between the syringe 101 and the first connection hose 201 is maintained, the syringe 101 sucks air from the first check valve 301 by pulling out the piston end of the syringe 101, and then the air sucked by the syringe 101 is injected into the superfine hose 103 through the second check valve 302, so that the medicine remained in the superfine hose 103 is sprayed to the lesion position through the micropore spraying head 303, and the second medicine feeding action is completed; repeating the second administration action for 2-3 times, ensuring that all the residual medicines in the superfine hose 103 are injected, thus completing the injection treatment of the medicines at the throat, as shown in fig. 6, the device can greatly reduce the residues of the medicines in the pipe wall and improve the administration efficiency of the throat.
The foregoing description of the preferred embodiments of the present invention should not be construed as limiting the scope of the invention, but rather utilizing equivalent structural changes made in the present invention description and drawings or directly/indirectly applied to other related technical fields are included in the scope of the present invention.
Claims (8)
1. The medicament injection device for laryngeal therapy is characterized by comprising a fiber laryngoscope, a syringe (101), a three-way connecting tube (102), a first one-way valve (301), a second one-way valve (302) and an ultrafine hose (103), wherein three connecting ends of the three-way connecting tube (102) are respectively connected with an outlet end of the syringe (101), an outlet end of the first one-way valve (301) and an inlet end of the second one-way valve (302) through a first connecting hose (201), a second connecting hose (202) and a third connecting hose (203); the outlet end of the second one-way valve (302) is connected with the inlet end of the superfine hose (103), a micropore injection head (303) is arranged at the outlet end of the superfine hose (103), the superfine hose (103) is inserted into the inner channel of the fiber laryngoscope, and the outlet end of the superfine hose (103) extends out from the outlet end of the inner channel of the fiber laryngoscope;
when the medical device is used, a fiber laryngoscope is inserted into a lesion position, an ultrafine hose passes through a medicine filling cavity of the fiber laryngoscope, so that a micropore injection head extends out of the fiber laryngoscope to reach the lesion position, the position of the head end of the fiber laryngoscope is adjusted, so that the micropore injection head is aligned to the lesion position, a syringe is used for sucking medicine, medicines in the syringe are sequentially injected to the lesion position through a first connecting hose, a three-way connecting pipe, a second one-way valve, the ultrafine hose and the micropore injection head, the first medicine feeding action is completed, the connection between the syringe and the first connecting hose is maintained, the piston end of the syringe is pulled outwards, so that the syringe absorbs air from the first one-way valve, the air inhaled by the syringe is injected into the ultrafine hose through the second one-way valve, and the medicines remained in the ultrafine hose are injected to the lesion position through the micropore injection head, so that the second medicine feeding action is completed; repeating the second drug administration for 2-3 times to ensure that all residual drugs in the superfine hose are completely injected.
2. A medicament ejection device for laryngeal therapy according to claim 1, characterised in that the ultra-fine hose (103) is a 1.2mm diameter hose.
3. The agent jet apparatus for laryngeal therapy according to claim 1, wherein the micro-pore jet head (303) is manufactured using a 3D printing process.
4. A medicament injection apparatus for laryngeal therapy according to claim 3, wherein the inlet end of the micro-porous injection head (303) is connected to the outlet end of the ultra-fine hose (103) by an interference fit.
5. A medicament spraying device for throat treatment according to claim 3, wherein a plurality of groups of through holes are formed on the side wall of the micro-hole spraying head (303) close to the inlet end to form a rubberizing hole (303-1), the inner diameter of the inlet end of the micro-hole spraying head (303) is matched with the outer diameter of the outlet end of the micro-fine hose (103), the outlet end of the micro-fine hose (103) is inserted into the inlet end of the micro-fine spraying head (303), the through holes on the micro-fine spraying head (303) are arranged on the outer wall of the micro-fine hose (103), and the micro-fine hose (103) is fixedly connected with the micro-fine spraying head (303) through injecting epoxy resin into the rubberizing hole (303-1).
6. A medicament injection apparatus for laryngeal therapy according to any one of claims 3 to 5, wherein the end of the micro-porous injection head (303) is provided with a plurality of through-holes forming injection holes (303-2) arranged in an array.
7. A medicament injection apparatus for laryngeal therapy according to claim 6, characterised in that the diameter of each injection orifice (303-2) is 180 μm.
8. The device for injecting a medicament for laryngeal therapy according to claim 1, wherein the end of the micro-porous injection head (303) is provided with a plurality of through holes arranged in an array to form injection holes (303-2), the injection holes (303-2) at the end of the micro-porous injection head (303) are manufactured by piercing the end of the ultra-fine hose (103) through a piercing needle, and the diameter of the injection holes (303-2) is 180 μm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210781945.6A CN115253043B (en) | 2022-07-05 | 2022-07-05 | Medicament injection device for laryngeal treatment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210781945.6A CN115253043B (en) | 2022-07-05 | 2022-07-05 | Medicament injection device for laryngeal treatment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN115253043A CN115253043A (en) | 2022-11-01 |
| CN115253043B true CN115253043B (en) | 2024-02-27 |
Family
ID=83763732
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210781945.6A Active CN115253043B (en) | 2022-07-05 | 2022-07-05 | Medicament injection device for laryngeal treatment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115253043B (en) |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR200250097Y1 (en) * | 2001-05-29 | 2001-11-16 | 김백수 | medicine injector |
| TW201309279A (en) * | 2011-08-31 | 2013-03-01 | En Otsuka Pharmaceutical Co | Three-way direction cock unit, check valve and fluid delivery device |
| CN205577123U (en) * | 2016-04-05 | 2016-09-14 | 哈尔滨工程大学 | Combined material truss connection node |
| CN106362250A (en) * | 2016-09-18 | 2017-02-01 | 电子科技大学 | Minitype array injection syringe |
| CN206081231U (en) * | 2016-07-14 | 2017-04-12 | 西安交通大学第一附属医院 | Ware of dosing sprays in disposable mouldable throat |
| CN209596389U (en) * | 2018-11-13 | 2019-11-08 | 王旭美 | A kind of gynecological nursing delivery device |
| CN210096643U (en) * | 2019-03-29 | 2020-02-21 | 广东省第二人民医院（广东省卫生应急医院） | Syringe and puncture equipment |
| CN112023234A (en) * | 2020-09-09 | 2020-12-04 | 中南大学湘雅医院 | Upper respiratory tract surface anesthesia device for fiber laryngoscope |
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-
2022
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR200250097Y1 (en) * | 2001-05-29 | 2001-11-16 | 김백수 | medicine injector |
| TW201309279A (en) * | 2011-08-31 | 2013-03-01 | En Otsuka Pharmaceutical Co | Three-way direction cock unit, check valve and fluid delivery device |
| CN205577123U (en) * | 2016-04-05 | 2016-09-14 | 哈尔滨工程大学 | Combined material truss connection node |
| CN206081231U (en) * | 2016-07-14 | 2017-04-12 | 西安交通大学第一附属医院 | Ware of dosing sprays in disposable mouldable throat |
| CN106362250A (en) * | 2016-09-18 | 2017-02-01 | 电子科技大学 | Minitype array injection syringe |
| CN209596389U (en) * | 2018-11-13 | 2019-11-08 | 王旭美 | A kind of gynecological nursing delivery device |
| CN210096643U (en) * | 2019-03-29 | 2020-02-21 | 广东省第二人民医院（广东省卫生应急医院） | Syringe and puncture equipment |
| CN213405949U (en) * | 2020-08-24 | 2021-06-11 | 海口市人民医院（中南大学湘雅医学院附属海口医院） | Self-made cystoscope medicine syringe |
| CN112023234A (en) * | 2020-09-09 | 2020-12-04 | 中南大学湘雅医院 | Upper respiratory tract surface anesthesia device for fiber laryngoscope |
| CN215426894U (en) * | 2021-05-20 | 2022-01-07 | 天津市塑料研究所有限公司 | Bladder cancer postoperative perfusion device |
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| Publication number | Publication date |
|---|---|
| CN115253043A (en) | 2022-11-01 |
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