CN107865999B - Vaginal administration syringe and application thereof - Google Patents
Vaginal administration syringe and application thereof Download PDFInfo
- Publication number
- CN107865999B CN107865999B CN201711308914.4A CN201711308914A CN107865999B CN 107865999 B CN107865999 B CN 107865999B CN 201711308914 A CN201711308914 A CN 201711308914A CN 107865999 B CN107865999 B CN 107865999B
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- Prior art keywords
- medicine
- piston
- needle cylinder
- medicine outlet
- syringe
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Classifications
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- 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
- A61M35/00—Devices for applying media, e.g. remedies, on the human body
- A61M35/003—Portable hand-held applicators having means for dispensing or spreading integral media
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/30—Against vector-borne diseases, e.g. mosquito-borne, fly-borne, tick-borne or waterborne diseases whose impact is exacerbated by climate change
Abstract
The invention relates to a vaginal administration syringe and application thereof. The invention provides a vaginal administration injector, which comprises a push rod 1, a needle cylinder 2, a medicine outlet piston 3 and a compression medicine storage bottle 4; the rear end of the needle cylinder 2 is open, and the front end is provided with an opening; a push rod 1 matched with the syringe 2 is arranged in the syringe 2, and the tail end of the push rod 1 is exposed out of the opening of the syringe 2; the front end of the push rod 1 is arranged in the needle cylinder 2 and is sequentially connected with a medicine outlet piston 3 and a compression medicine storage bottle 4, the front end of the compression medicine storage bottle 4 is a medicine suction end 6, and the medicine suction end 6 is provided with a one-way valve 5, so that medicine can only flow into the compression medicine storage bottle 4 and the medicine outlet piston 3 in sequence from the medicine suction end 6, but cannot flow out from the medicine suction end 6; the cylinder wall of the cylinder 2 is provided with a plurality of injector cylinder medicine outlet holes 7. The invention can realize uniform injection and can set the injection mode according to the requirement.
Description
Technical Field
The invention relates to a gynecological appliance, in particular to a vaginal administration syringe and application thereof.
Background
In gynecological treatment, it is sometimes necessary to deliver drugs into the vagina to treat lesions in the inner wall of the vagina. Common gynecological diseases mainly include: vaginitis, cervicitis, endometritis and the like have high morbidity, are easy to infect and relapse, and bring great pain to patients. In the prior art, two common clinical treatment methods in various hospitals are adopted, one method is injection administration, the medicine is pushed out from the top end of an injector, the method is difficult to uniformly apply the medicine to the whole inner wall of the vagina, the medicine is difficult to reach the relevant lesion part in the vagina, the treatment effect is poor, and the other method is to directly insert tablets, suppositories, capsules and the like into the lesion part in the vagina of a patient through bare hands, so that the method is simple in operation, but in the specific implementation, bacteria on fingers are easily brought into the vagina to cause cross infection and secondary infection, and meanwhile, the method cannot lead the medicine to be positioned at the relevant lesion part outside the vagina, and the treatment effect is still poor.
Disclosure of Invention
In order to make up for the defects in the field, the invention provides a vaginal administration syringe which can realize uniform injection and can set a required injection mode according to the needs.
The invention is realized according to the following technical scheme:
the invention provides a vaginal administration injector, which comprises a push rod 1, a needle cylinder 2, a medicine outlet piston 3 and a compression medicine storage bottle 4;
the rear end of the needle cylinder 2 is open, and the front end is provided with an opening; a push rod 1 matched with the syringe 2 is arranged in the syringe 2, and the tail end of the push rod 1 is exposed out of the opening of the syringe 2; the front end of the push rod 1 is arranged in the needle cylinder 2 and is sequentially connected with a medicine outlet piston 3 and a compression medicine storage bottle 4, the front end of the compression medicine storage bottle 4 is a medicine suction end 6, and the medicine suction end 6 is provided with a one-way valve 5, so that medicine can only flow into the compression medicine storage bottle 4 and the medicine outlet piston 3 in sequence from the medicine suction end 6, but cannot flow out from the medicine suction end 6; a plurality of injector needle cylinder medicine outlet holes 7 are formed in the cylinder wall of the needle cylinder 2; the medicine outlet piston 3 can be pushed and pulled in the needle cylinder 2 in a closed mode, so that medicines can flow into medicine outlet holes 7 of the syringe needle cylinder at different positions from the medicine outlet piston 3.
The one-way valve 5 is a steel ball, and the inner diameter of the drug sucking end 6 of the compressed drug storage bottle 4 is matched with the diameter of the steel ball, so that when the injector sucks drug, the steel ball can be opened to allow the drug to enter the compressed drug storage bottle 4; when the injector pushes medicine, the steel balls are closed, and the medicine can only flow from the compressed medicine storage bottle 4 to the medicine outlet piston 3 and the medicine outlet hole 7 of the injector syringe in sequence.
A cavity is formed in the medicine outlet piston 3, a medicine outlet hole 8 of the medicine outlet piston is formed in the arc surface of the medicine outlet piston 3, an opening is formed in the connecting surface of the medicine outlet piston 3 and the compressed medicine storage bottle 4, and the cavity of the medicine outlet piston 3 is communicated with the medicine outlet hole 8 of the medicine outlet piston and the inside of the compressed medicine storage bottle 4; the medicine outlet piston 3 is connected with the compressed medicine storage bottle 4 in a sealing way.
When the medicine outlet piston 3 rotates in the needle cylinder 2, at least one position exists, so that the medicine outlet hole 8 of the medicine outlet piston is completely closed when the push rod 1 is pushed and pulled; when the medicine outlet piston 3 pushes medicine in the syringe 2, at least one position exists, and a medicine outlet hole 8 of the medicine outlet piston is communicated with a medicine outlet hole 7 of the syringe; the front end of the syringe needle cylinder 2 is provided with an arc chamfer.
The medicine outlet piston 3 is provided with a medicine outlet piston bayonet 10 for connecting the push rod 1. The medicine sucking end 6 of the compressed medicine storage bottle 4 is provided with a needle 9 for sucking medicine; the needle 9 can be detached, is installed during medicine suction and is detached during medicine discharge.
The outer wall of the medicine outlet piston 3 is provided with a square groove with the area larger than that of the medicine outlet hole 8 at the position corresponding to the medicine outlet hole 8 of the medicine outlet piston.
The medicine outlet holes 7 of the syringe needle cylinder are arranged on the needle cylinder 2 in a spiral mode.
The medicine outlet holes 7 of the syringe needle cylinder are alternately arranged on the needle cylinder 2 in the circumferential direction.
The use of the vaginal administration syringe in vaginal administration is also within the scope of the present invention.
The vaginal administration injector has the advantages that:
(1) The medicine is very convenient to be sucked, and the waste is avoided.
(2) Can uniformly apply medicine to vagina so that the medicine can fully contact the affected part.
(3) The required injection mode, such as uniform injection from front to back, alternate staggered injection from front to back in circumferential direction, spiral line type injection and the like, can be set according to the requirements.
(4) The vaginal administration syringe can be used once, and cross infection is avoided.
(5) Can be applied to affected parts well for both solution and gel dosage forms.
Drawings
FIG. 1 is a cross-sectional view of a vaginal drug delivery syringe;
FIG. 2 is a cross-sectional view of the one-way valve inside the compressed drug storage bottle;
FIG. 3 is a schematic view of the junction of the drug delivery piston with the compressed drug storage vial and the syringe plunger;
FIG. 4 is a schematic illustration of the connection of the drug outlet piston to the compressed drug storage vial with needle and the syringe plunger;
FIG. 5 is a schematic view of a vaginal drug delivery syringe;
FIG. 6 is a schematic illustration of an administration piston; wherein a is a front view, and b is a perspective view;
FIG. 7 is a schematic view of a syringe housing for screw administration;
wherein, 1-push rod, 2-needle cylinder, 3-medicine outlet piston, 4-compression medicine storage bottle, 5-check valve, 6-medicine suction end, 7-syringe needle cylinder medicine outlet hole, 8-medicine outlet piston medicine outlet hole, 9-needle head, 10-medicine outlet piston bayonet.
Detailed Description
Example 1 vaginal administration syringe
As shown in fig. 1, 2 and 3, the vaginal administration syringe of the present invention comprises a push rod 1, a syringe 2, a drug outlet piston 3 and a compression drug storage bottle 4; the back end of the needle cylinder 2 is open, and the front end is provided with an opening; a push rod 1 matched with the needle cylinder 2 is arranged in the needle cylinder 2, and the tail end of the push rod 1 is exposed out of the opening of the needle cylinder 2 of the injector; the front end of the push rod 1 is arranged in the needle cylinder 2 and is sequentially connected with a medicine outlet piston 3 and a compression medicine storage bottle 4, the front end of the compression medicine storage bottle 4 is a medicine suction end 6, and the medicine suction end 6 is provided with a one-way valve 5, so that medicines can only flow into the compression medicine storage bottle 4 and the medicine outlet piston 3 in sequence from the medicine suction end 6 and cannot flow out from the medicine suction end 6; the cylinder wall of the syringe 2 is provided with a plurality of syringe needle outlet holes 7; the medicine outlet piston 3 is matched with the syringe 2, so that the medicine outlet piston 3 can be pushed and pulled in the syringe 2 in a closed mode, and medicine can flow into medicine outlet holes 7 of the syringe in different positions from the medicine outlet piston 3.
The one-way valve 5 is a steel ball, and the inner diameter of the medicine sucking end 6 of the compressed medicine storage bottle 4 is matched with the diameter of the steel ball, so that when the injector sucks medicine, the steel ball can be opened to allow the medicine to enter the compressed medicine storage bottle 4; when the injector pushes medicine, the steel balls are closed, and the medicine can only flow from the compressed medicine storage bottle 4 to the medicine outlet piston 3 and the medicine outlet hole 7 of the injector syringe in sequence.
As shown in fig. 6, a cavity is arranged in the medicine outlet piston 3, a medicine outlet hole 8 of the medicine outlet piston is arranged on the arc surface of the medicine outlet piston 3, an opening is arranged on the connecting surface of the medicine outlet piston 3 and the compressed medicine storage bottle 4, and the cavity of the medicine outlet piston 3 is communicated with the medicine outlet hole 8 of the medicine outlet piston and the inside of the compressed medicine storage bottle 4;
the medicine outlet piston 3 is matched with the needle cylinder 2, so that the medicine outlet piston 3 is fixed in the needle cylinder in a closed type in a push-pull manner; the medicine outlet piston 3 is connected with the compressed medicine storage bottle 4 in a sealing way.
When the medicine outlet piston 3 rotates in the needle cylinder 2, at least one position exists, so that the medicine outlet hole 8 of the medicine outlet piston is completely closed when the push rod 1 is pushed and pulled; when the medicine outlet piston 3 pushes medicine in the syringe 2, at least one position exists, and a medicine outlet hole 8 of the medicine outlet piston is communicated with a medicine outlet hole 7 of the syringe; the front end of the syringe needle cylinder 2 is provided with an arc chamfer so as not to scratch a patient.
The medicine outlet piston 3 is provided with a medicine outlet piston bayonet 10 for connecting the push rod 1.
One end of the medicine outlet piston 3 is clamped on the pushing end of the injector push rod 1, the other end is clamped on the compression medicine storage bottle 4, and the medicine storage bottle 4 is used as an inserting end to be inserted into the injector needle cylinder 2 together with the medicine outlet piston 3 and the injector push rod 1.
As shown in fig. 4, the medicine sucking end 6 of the compressed medicine storing bottle 4 is provided with a needle 9 for sucking medicine; the needle 9 on the drug sucking end 6 can be detached, and is installed during drug sucking and detached during drug discharging.
As shown in fig. 5, the medicine outlet piston 3 is a hollow cylinder, the outer diameter of the hollow cylinder is matched with the inner diameter of the syringe needle cylinder 2, 6 medicine outlet holes 8 of the medicine outlet piston 3 are formed in the circular arc surface of the medicine outlet piston 3 at equal intervals and are communicated with the cavity of the medicine outlet piston 3, and the cavity of the medicine outlet piston 3 is communicated with the inside of the compressed medicine storage bottle 4; the medicine outlet piston is made of silica gel material.
The using method of the vaginal administration syringe comprises the following steps: when the medicine is sucked, the medicine outlet piston 3 is rotated, so that the hole on the medicine outlet piston 3 is completely sealed by the syringe needle cylinder 2, then the medicine outlet piston 3 is pushed to the bottommost part, the compressed medicine storage bottle 4 is tightly pressed, the medicine suction end of the compressed medicine storage bottle 4 is immersed in the medicine, and then the syringe push rod is pulled outwards to suck the medicine. When in administration, the medicine outlet piston 3 is rotated, so that the medicine outlet hole 8 of the medicine outlet piston is communicated with the medicine outlet hole 7 of the syringe needle cylinder, the syringe needle cylinder 2 is inserted into vagina, and then the syringe push rod 1 is pushed to administer medicine.
In a further embodiment, as shown in fig. 7, the medicine outlet holes 7 of the syringe are arranged on the syringe 2 in a spiral shape, and when the medicine outlet piston 3 rotates to a proper position and pushes the push rod 1, the medicine outlet holes 7 of the medicine outlet piston can be overlapped with the medicine outlet holes 7 of the syringe in a spiral shape on the syringe 2, so that alternate medicine administration is realized.
In a further embodiment, as shown in fig. 5, the medicine outlet holes 7 of the syringe are alternately arranged on the syringe 2 in the circumferential direction, and when the medicine outlet piston 3 rotates to a proper position and pushes the push rod 1, the medicine outlet holes 7 of the medicine outlet piston can coincide with the medicine outlet holes 7 of the syringe alternately arranged in the circumferential direction on the syringe 2, so that alternate medicine administration is realized.
Further embodiments also include a needle that can also be connected to the drug-absorbing end of the compressed drug storage bottle 4.
Further embodiments further comprise square grooves with the area larger than that of the medicine outlet holes 8, which are arranged on the outer wall of the medicine outlet piston 3 and correspond to the medicine outlet holes of the medicine outlet piston.
Further embodiments also include adjusting the spacing and size of the drug outlet holes on the drug outlet piston 3 to control the specific conditions of drug administration.
While the foregoing is directed to the preferred embodiments of the present invention, it will be appreciated by those skilled in the art that various modifications and variations may be made without departing from the principles of the present invention, such as the arrangement of the dispensing orifices in the syringe barrel is not limited to one, and reasonable orifice sizes, patterns, sequences, etc. may be selected according to the application requirements and are intended to be within the scope of the present invention.
Claims (8)
1. The vaginal administration injector comprises a push rod (1), a needle cylinder (2), a medicine outlet piston (3) and a compression medicine storage bottle (4);
the rear end of the needle cylinder (2) is open, and the front end is provided with an opening; a push rod (1) matched with the needle cylinder (2) is arranged in the needle cylinder (2), and the tail end of the push rod (1) is exposed out of the opening of the needle cylinder (2) of the injector; the front end of the push rod (1) is arranged in the needle cylinder (2) and is sequentially connected with a medicine outlet piston (3) and a compression medicine storage bottle (4), the front end of the compression medicine storage bottle (4) is a medicine suction end (6), and the medicine suction end (6) is provided with a one-way valve (5) so that medicine can only flow into the compression medicine storage bottle (4) and the medicine outlet piston (3) from the medicine suction end (6) in sequence and cannot flow out from the medicine suction end (6); a plurality of injector needle cylinder drug outlet holes (7) are formed in the cylinder wall of the needle cylinder (2); the medicine discharging piston (3) can be pushed and pulled in the needle cylinder (2) in a closed mode, a cavity is formed in the medicine discharging piston (3), a medicine discharging hole (8) of the medicine discharging piston is formed in the arc surface of the medicine discharging piston (3), an opening is formed in the connecting surface of the medicine discharging piston (3) and the compressed medicine storage bottle (4), and the cavity of the medicine discharging piston (3) is communicated with the medicine discharging hole (8) of the medicine discharging piston and the inside of the compressed medicine storage bottle (4); the medicine outlet piston (3) is in airtight connection with the compressed medicine storage bottle (4), and when the medicine outlet piston (3) rotates in the needle cylinder (2), at least one position exists, so that a medicine outlet hole (8) of the medicine outlet piston is completely closed when the push rod (1) is pushed and pulled; when the medicine outlet piston (3) pushes medicine in the needle cylinder (2), at least one position exists, and the medicine outlet hole (8) of the medicine outlet piston is communicated with the medicine outlet hole (7) of the syringe needle cylinder, so that medicine flows into the medicine outlet hole (7) of the syringe needle cylinder at different positions from the medicine outlet piston (3).
2. The vaginal drug delivery syringe of claim 1, wherein: the one-way valve (5) is a steel ball, and the inner diameter of the drug sucking end (6) of the compressed drug storage bottle (4) is matched with the diameter of the steel ball, so that when the injector sucks the drug, the steel ball can be opened to enable the drug to enter the compressed drug storage bottle (4); when the injector pushes medicine, the steel ball is closed, and the medicine can only flow from the compressed medicine storage bottle (4) to the medicine outlet piston (3) and the medicine outlet hole (7) of the injector needle cylinder in sequence.
3. The vaginal drug delivery syringe of claim 1, wherein: the front end of the syringe needle cylinder (2) is provided with an arc chamfer.
4. A vaginal drug delivery syringe as claimed in claim 3, wherein: the medicine outlet piston (3) is provided with a medicine outlet piston bayonet (10) for connecting the push rod (1).
5. The vaginal drug delivery syringe of claim 1, wherein: the medicine sucking end (6) of the compressed medicine storage bottle (4) is provided with a needle (9) for sucking medicine; the needle head (9) can be detached, is installed during medicine suction and is detached during medicine discharge.
6. The vaginal drug delivery syringe of claim 1, wherein: the outer wall of the medicine outlet piston (3) is provided with a square groove with the area larger than that of the medicine outlet hole (8) corresponding to the medicine outlet hole (8) of the medicine outlet piston.
7. The vaginal drug delivery syringe of claim 1, wherein: the medicine outlet holes (7) of the syringe needle cylinder are arranged on the needle cylinder (2) in a spiral mode.
8. The vaginal drug delivery syringe of claim 1, wherein: the medicine outlet holes (7) of the syringe needle cylinder are alternately arranged on the needle cylinder (2) in the circumferential direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711308914.4A CN107865999B (en) | 2017-12-11 | 2017-12-11 | Vaginal administration syringe and application thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711308914.4A CN107865999B (en) | 2017-12-11 | 2017-12-11 | Vaginal administration syringe and application thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107865999A CN107865999A (en) | 2018-04-03 |
| CN107865999B true CN107865999B (en) | 2023-08-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711308914.4A Active CN107865999B (en) | 2017-12-11 | 2017-12-11 | Vaginal administration syringe and application thereof |
Country Status (1)
| Country | Link |
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| CN (1) | CN107865999B (en) |
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|---|---|---|---|---|
| CN108514688A (en) * | 2018-05-09 | 2018-09-11 | 刘辉 | A kind of device for administration of drugs of convenient externally applied drug |
| CN108514687A (en) * | 2018-05-09 | 2018-09-11 | 刘辉 | A kind of squash type device for administration of drugs of gynecological external use medicament |
| CN108815693B (en) * | 2018-05-09 | 2021-03-12 | 青岛大学附属医院 | Gynaecology's device of giving medicine to poor free of charge of external application medicament |
| CN108525117A (en) * | 2018-05-09 | 2018-09-14 | 刘辉 | A kind of device for administration of drugs of externally applied drug |
| CN108635658A (en) * | 2018-05-09 | 2018-10-12 | 刘辉 | A kind of administration device of convenient gynecological external use medicament |
| CN108853700A (en) * | 2018-05-09 | 2018-11-23 | 刘辉 | A kind of device for administration of drugs of the gynecological external use medicament of economizing type |
| CN112870539A (en) * | 2021-01-19 | 2021-06-01 | 付军志 | Abdomen ointment smearing device for obstetrics and gynecology department and working method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7011650B2 (en) * | 1999-09-09 | 2006-03-14 | Paradigm Medical, Llc | Multiple-dose syringe with collapsible container |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| GB770341A (en) * | 1954-11-18 | 1957-03-20 | Russell Paul Dunmire | Hypodermic syringe |
| CN201085824Y (en) * | 2007-10-18 | 2008-07-16 | 孙文菊 | Improved disposable syringe |
| CN201596239U (en) * | 2010-02-23 | 2010-10-06 | 齐占华 | Disposable vagina dosing machine |
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| Publication number | Publication date |
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| CN107865999A (en) | 2018-04-03 |
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