CN106983948B - Disposable uterine cavity drug injection tube - Google Patents
Disposable uterine cavity drug injection tubeDownload PDFInfo
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- CN106983948B CN106983948BCN201710353046.5ACN201710353046ACN106983948BCN 106983948 BCN106983948 BCN 106983948BCN 201710353046 ACN201710353046 ACN 201710353046ACN 106983948 BCN106983948 BCN 106983948B
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- tube
- medicine
- head
- uterine cavity
- soft plastic
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- 239000003814drugSubstances0.000titleclaimsabstractdescription160
- 239000007924injectionSubstances0.000titleclaimsabstractdescription110
- 238000002347injectionMethods0.000titleclaimsabstractdescription110
- 229940079593drugDrugs0.000titleclaimsabstractdescription37
- 235000001674Agaricus brunnescensNutrition0.000claimsabstractdescription29
- 238000007789sealingMethods0.000claimsabstractdescription6
- 238000004873anchoringMethods0.000claimsdescription9
- VYPSYNLAJGMNEJ-UHFFFAOYSA-NSilicium dioxideChemical compoundO=[Si]=OVYPSYNLAJGMNEJ-UHFFFAOYSA-N0.000claimsdescription7
- 239000000741silica gelSubstances0.000claimsdescription7
- 229910002027silica gelInorganic materials0.000claimsdescription7
- 210000003679cervix uteriAnatomy0.000abstractdescription16
- 238000000034methodMethods0.000abstractdescription14
- 239000007788liquidSubstances0.000abstractdescription8
- 208000019155Radiation injuryDiseases0.000abstractdescription5
- 230000006378damageEffects0.000abstractdescription4
- 208000015181infectious diseaseDiseases0.000abstractdescription3
- XLYOFNOQVPJJNP-UHFFFAOYSA-NwaterSubstancesOXLYOFNOQVPJJNP-UHFFFAOYSA-N0.000description4
- 239000002872contrast mediaSubstances0.000description3
- 238000009434installationMethods0.000description3
- 210000001215vaginaAnatomy0.000description3
- 230000004075alterationEffects0.000description2
- 230000007547defectEffects0.000description2
- 238000007599dischargingMethods0.000description2
- 239000000463materialSubstances0.000description2
- 206010011409Cross infectionDiseases0.000description1
- 206010029803Nosocomial infectionDiseases0.000description1
- 208000027418Wounds and injuryDiseases0.000description1
- 230000009286beneficial effectEffects0.000description1
- MYSWGUAQZAJSOK-UHFFFAOYSA-NciprofloxacinChemical compoundC12=CC(N3CCNCC3)=C(F)C=C2C(=O)C(C(=O)O)=CN1C1CC1MYSWGUAQZAJSOK-UHFFFAOYSA-N0.000description1
- 230000007423decreaseEffects0.000description1
- 230000003247decreasing effectEffects0.000description1
- 230000000249desinfective effectEffects0.000description1
- 201000010099diseaseDiseases0.000description1
- 208000037265diseases, disorders, signs and symptomsDiseases0.000description1
- 230000009977dual effectEffects0.000description1
- 208000014674injuryDiseases0.000description1
- 238000002504lithotomyMethods0.000description1
- 238000012986modificationMethods0.000description1
- 230000004048modificationEffects0.000description1
- 238000004659sterilization and disinfectionMethods0.000description1
- 210000004291uterusAnatomy0.000description1
- 210000003905vulvaAnatomy0.000description1
Images
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
- A61M31/005—Devices for introducing or retaining media, e.g. remedies, in cavities of the body for contrast media
- 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
- A61M3/00—Medical syringes, e.g. enemata; Irrigators
- A61M3/02—Enemata; Irrigators
- 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
- A61M3/00—Medical syringes, e.g. enemata; Irrigators
- A61M3/02—Enemata; Irrigators
- A61M3/0233—Enemata; Irrigators characterised by liquid supply means, e.g. from pressurised reservoirs
- A61M3/0254—Enemata; Irrigators characterised by liquid supply means, e.g. from pressurised reservoirs the liquid being pumped
- A61M3/0262—Enemata; Irrigators characterised by liquid supply means, e.g. from pressurised reservoirs the liquid being pumped manually, e.g. by squeezing a bulb
- 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
- A61M3/00—Medical syringes, e.g. enemata; Irrigators
- A61M3/02—Enemata; Irrigators
- A61M3/0279—Cannula; Nozzles; Tips; their connection means
Landscapes
- Health & Medical Sciences (AREA)
- Engineering & Computer Science (AREA)
- Anesthesiology (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Hematology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Infusion, Injection, And Reservoir Apparatuses (AREA)
- Media Introduction/Drainage Providing Device (AREA)
- Surgical Instruments (AREA)
Abstract
Description
Technical Field
The invention relates to the field of medical instruments, in particular to a disposable uterine cavity drug injection tube.
Background
In hysterosalpingography and the treatment of gynecological diseases, it is necessary to inject a drug or a contrast agent into the uterine cavity through the cervical orifice. The traditional method is that a patient lies on an X-ray machine operation platform or a gynecological examination bed in a bladder lithotomy position, and an operation doctor examines the position and the size of a uterus and then carries out conventional disinfection on the vulva and the vagina; after the vagina is expanded by a vaginal dilator to expose the cervix, 2% mercurous rubrum is used for disinfecting the cervix and the vagina, then the cervix is slightly supported by a cervical clamp and clamped and fixed, an operator holds the medicine injection tube with the mushroom head to push the mushroom head to block the cervix by holding the medicine injection tube with one hand after the medicine injection tube extends into the cervix for 2cm, and the other hand clamps the cervix with the cervical clamp and pulls the cervix outwards with a little force to start medicine injection or contrast medium injection after the medicine injection tube is fixed. The method can cause serious physical injury to the cervix uteri, is easy to generate cross infection, needs an operating doctor to fix the medicine injection tube with the cervix uteri manually when taking X-ray pictures, and causes radiation injury to the operating doctor by X-rays.
The disposable hysterography water pipe produced by Zhanjiang Shuidai limited basically eliminates the defects of the traditional method, but is soft in texture because the disposable hysterography water pipe is made of silica gel material, is difficult to enter the uterine cavity when encountering patients with narrow or slight adhesion of the cervical orifice, and still needs the traditional method for remedy; in addition, after the water pipe enters the uterine cavity, the water pipe is inflated by external air supply to seal the uterine cavity, and no sealing measure is provided at the cervix, so that the leakage of liquid medicine or contrast medium is difficult to avoid.
Disclosure of Invention
Aiming at the defects in the prior art, the invention provides a disposable uterine cavity drug injection tube which can fix the cervix without artificial assistance during the uterine cavity drug injection, has simple and convenient operation, safety and sanitation, no leakage of liquid medicine, and can reduce the pain of patients and the radiation injury of operating doctors.
The invention is realized by the following technical scheme:
the disposable uterine cavity drug injection tube comprises an outer tube and an inner tube which are coaxially mounted and can relatively move, wherein the inner tube is of a hollow tubular structure with openings at two ends, a drug outlet head is arranged at the left end of the inner tube, the drug outlet head is of a conical structure with the top end being a spherical surface, a through hole is formed in the center of the drug outlet head, the right end of the inner tube is movably connected with a drug injection head, and a through hole is formed in the center of the drug injection head; the outer pipe is of a hollow tubular structure with openings at two ends, a mushroom head and an anchoring bolt are mounted on the outer pipe, an external thread is formed on the outer wall of the right end of the outer pipe, and the anchoring bolt is movably connected to the external thread; the outer pipe comprises a 1 st hard plastic section, a soft plastic section and a 2 nd hard plastic section from left to right, wherein the length of the 1 st hard plastic section is 1-3cm, the length of the soft plastic section is 2-4cm, gaps with uniform intervals are formed along the circumferential axial direction of the wall surface of the soft plastic section, and when two ends of the soft plastic section are subjected to opposite forces, the soft plastic section can form a basket-shaped cavity.
Moreover, a tapered through hole with the diameter gradually reduced from left to right is arranged in the anchoring bolt, and an internal thread is arranged in the through hole and matched with the external thread.
Moreover, the outer tube and the mushroom head are integrally manufactured.
Moreover, the length of the right end thread of the outer pipe is 1/8-1/4 of the total length of the outer pipe.
Moreover, the medicine outlet head and the inner tube are integrally manufactured.
The inner tube material is hard plastic.
Moreover, the medicine injection head is made of soft plastic or silica gel, and when the medicine injection head is used, the medicine outlet end of the medicine injection needle tube is inserted into the through hole of the medicine injection head, and the medicine outlet end of the medicine injection needle tube can be sealed due to the soft texture of the medicine injection head, so that the medicine liquid is prevented from leaking.
Moreover, the inner tube between the medicine outlet head and the medicine injection head is divided into two parts with different inner diameters, the inner diameter of the left part is smaller than that of the right part, and the part with the smaller inner diameter of the left part accounts for 2/3-3/4 of the total length of the inner tube.
The diameter of the right end face of the medicine discharging head is equal to the outer diameter of the outer tube.
Moreover, the soft plastic section forming the flower basket-shaped cavity can also be made into an air bag, and the sealing of the cervical internal orifice is realized by adopting an external air supply method.
The use method of the disposable uterine cavity drug injection tube of the invention is as follows:
step 1: when the medicine is injected into the uterine cavity, the medicine injection head is taken down firstly, the inner tube is inserted into the outer tube, and then the medicine injection head is arranged at the right end of the inner tube;
step 2: after the installation is finished, the medicine injection tube is inserted into the cervical orifice, after the medicine outlet head enters the cervical orifice by 1-3cm, an operator grasps one end of the medicine injection tube by one hand and pushes the mushroom head by the other hand, at the moment, the mushroom head applies a force to the soft plastic part at the left end of the outer tube, the right end of the medicine outlet head applies another force to the soft plastic part of the outer tube, the two forces have the same magnitude and opposite directions, so that the soft plastic part of the outer tube is arched to form a basket-shaped cavity, the inner opening of the cervix is sealed by the cavity, and the outer opening of the cervix is sealed by the mushroom head;
and 3, step 3: then, the anchoring bolt at the right end of the outer tube is screwed to the left end to fix the medicine injection tube, and the medicine injection tube cannot fall off even if the operator loosens the hands;
and 4, step 4: the medicine outlet end of the medicine injection needle tube is inserted into the through hole of the medicine injection head, and then the medicine can be injected into the uterine cavity.
The invention has the advantages and beneficial effects that:
(1) The disposable uterine cavity drug injection tube does not need to fix the cervical orifice by using a clamp, does not cause physical damage to the cervix and is not easy to cause infection;
(2) In the process of injecting the medicine, the disposable uterine cavity medicine injection tube does not need to be manually fixed by an operating doctor, so that the radiation injury to the operating doctor is reduced;
(3) The medicine outlet head of the disposable uterine cavity medicine injection tube is made of hard plastic, so that a patient suffering from narrow or slight adhesion of the cervical orifice can smoothly enter the uterine cavity;
(4) The disposable uterine cavity drug injection tube adopts a dual sealing measure of the flower basket and the mushroom head, thereby avoiding the problem of leakage of the drug liquid in the drug injection process and after the drug injection.
Drawings
FIG. 1 is a schematic view of the overall structure of the disposable uterine cavity drug injection tube of the present invention;
FIG. 2 is a schematic structural view of the outer tube of the disposable uterine cavity drug injection tube of the present invention;
FIG. 3 is a schematic structural view of the inner tube of the disposable uterine cavity drug injection tube of the present invention;
FIG. 4 is a schematic view of the working state of the disposable uterine cavity drug injection tube of the present invention;
FIG. 5 is a schematic structural view of the mushroom head of the disposable uterine cavity drug injection tube of the present invention;
FIG. 6 is a schematic view of the structure of the anchor bolt of the disposable uterine cavity drug injection tube of the present invention;
FIG. 7 is a schematic structural view of the injection head of the disposable uterine cavity injection tube of the present invention;
wherein:
1. discharging the medicine head; 2. an outer tube; 3. an inner tube; 4. mushroom heads; 5. an external thread; 6. an anchor bolt; 7. injecting a medicine head; 8. a flower basket.
Detailed Description
The invention will be described in further detail with reference to the following detailed description of embodiments, with reference to the accompanying drawings, in which: the following examples are illustrative and not intended to be limiting, and are not intended to limit the scope of the invention.
Example 1
Referring to fig. 1 to 7, it can be seen that the disposable uterine cavity drug injection tube of the present invention comprises anouter tube 2 and aninner tube 3 which are coaxially installed and can move relatively; theinner tube 3 is a hollow tubular structure with openings at two ends, the left end of theinner tube 3 is provided with amedicine outlet head 1, themedicine outlet head 1 is a conical structure with the top end being a spherical surface, the center of themedicine outlet head 1 is provided with a through hole, the right end of theinner tube 3 is movably connected with amedicine injection head 7, and the center of themedicine injection head 7 is provided with a through hole; theouter pipe 2 is a hollow tubular structure with openings at two ends, amushroom head 4 and ananchor bolt 6 are mounted on theouter pipe 2, themushroom head 4 is conical, a through hole with the diameter same as the outer diameter of theouter pipe 2 is formed in the center of themushroom head 4, theouter pipe 2 penetrates through the through hole in the center of themushroom head 4, anexternal thread 5 is formed on the outer wall of the right end of theouter pipe 2, and theanchor bolt 6 is movably connected to theexternal thread 5; theouter pipe 2 consists of a 1 st hard plastic section, a soft plastic section and a 2 nd hard plastic section from left to right, wherein the length of the 1 st hard plastic section is 2cm, the length of the soft plastic section is 3cm, gaps with uniform intervals are axially formed along the circumference of the wall surface of the soft plastic section, and due to the existence of the gaps, a flower basket 8 is automatically formed when two ends of the soft plastic section are subjected to opposite forces;
a tapered through hole having a diameter gradually decreasing from left to right is formed in the anchoringbolt 6, and an internal thread is formed in the through hole and is engaged with theexternal thread 5.
Theouter tube 2 is integrally formed with themushroom head 4.
The length of theexternal thread 5 at the right end of theouter pipe 2 is 1/6 of the total length of theouter pipe 2.
Themedicine outlet head 1 and theinner tube 3 are integrally manufactured.
Theinner tube 3 is made of hard plastic.
Themedicine injection head 7 is made of silica gel, and when the medicine injection head is used, the medicine outlet end of the medicine injection needle tube is inserted into a through hole (not numbered in the figure) of themedicine injection head 7, and the medicine outlet end of the medicine injection needle tube can be sealed due to the silica gel texture, so that the leakage of liquid medicine is prevented.
Theinner tube 3 between themedicine outlet head 1 and themedicine injection head 7 is divided into two parts with different inner diameters, the inner diameter of the left part is smaller than that of the right part, and the part with the smaller inner diameter of the left part accounts for 2/3 of the total length of theinner tube 3.
The diameter of the right end face of themedicine outlet head 1 is equal to the outer diameter of theouter tube 2.
The use method of the disposable uterine cavity drug injection tube is explained in detail as follows:
when the medicine is injected into the uterine cavity, themedicine injection head 7 is taken down firstly, themedicine injection head 7 is installed at the right end of theinner tube 3 after theinner tube 3 is inserted into theouter tube 2, the medicine injection tube is inserted into the cervical orifice after the installation is finished, an operator holds one end of the medicine injection tube after themedicine discharge head 1 enters the cervical orifice by 1cm, theanchor bolt 6 is pushed by one hand, themushroom head 4 exerts one force on the soft plastic part at the left end of theouter tube 2, the right end of themedicine discharge head 1 exerts the other force on the soft plastic part of theouter tube 2, the two forces are the same in size and opposite in direction, the soft plastic part of theouter tube 2 is arched to form a flower basket 8, the inner opening of the uterine cavity is sealed, the outer opening of the uterine neck is sealed by themushroom head 4, theanchor bolt 6 at the right end of theouter tube 2 is screwed to the left, the medicine injection tube is fixed, even if the two hands are loosened in operation, the medicine injection tube cannot fall off, and the medicine injection can be performed by inserting the medicine discharge end of the medicine injection needle tube into the through hole of themedicine injection head 7.
Example 2
Referring to fig. 1 to 7, a specific embodiment of a disposable uterine cavity drug injection tube of the present invention is shown, and it can be seen that the disposable uterine cavity drug injection tube of the present invention comprises anouter tube 2 and aninner tube 3 which are coaxially installed and can relatively move; theinner tube 3 is a hollow tubular structure with openings at two ends, the left end of theinner tube 3 is connected with amedicine outlet head 1, themedicine outlet head 1 is a conical structure with the top end being a spherical surface, a through hole is arranged in the center of themedicine outlet head 1, the right end of theinner tube 3 is movably connected with amedicine injection head 7, and a through hole is arranged in the center of themedicine injection head 7; theouter pipe 2 is a hollow tubular structure with two open ends, amushroom head 4 and ananchor bolt 6 are mounted on theouter pipe 2, themushroom head 4 is conical, a through hole with the diameter the same as the outer diameter of theouter pipe 2 is formed in the center of themushroom head 4, theouter pipe 2 penetrates through the through hole in the center of themushroom head 4, anexternal thread 5 is formed on the outer wall of the right end of theouter pipe 2, and theanchor bolt 6 is movably connected to theexternal thread 5; theouter pipe 2 consists of a 1 st hard plastic section, a soft plastic section and a 2 nd hard plastic section from left to right, wherein the length of the 1 st hard plastic section is 3cm, the length of the soft plastic section is 4cm, gaps with uniform intervals are axially formed along the circumference of the wall surface of the soft plastic section, and due to the existence of the gaps, a flower basket 8 is automatically formed when two ends of the soft plastic section are subjected to opposite forces;
theanchoring bolt 6 is provided with a tapered through hole therein, the diameter of which gradually decreases from left to right, and an internal thread is provided in the through hole and is engaged with theexternal thread 5.
Theouter tube 2 is integrally formed with themushroom head 4.
The length of theexternal thread 5 at the right end of theouter pipe 2 is 1/5 of the total length of theouter pipe 2.
Themedicine outlet head 1 and theinner tube 3 are integrally manufactured.
Theinner tube 3 is made of hard plastic.
Themedicine injection head 7 is made of silica gel, and when the medicine injection head is used, the medicine outlet end of the medicine injection needle tube is inserted into a through hole (not numbered in the figure) of themedicine injection head 7, and the medicine outlet end of the medicine injection needle tube can be sealed due to the silica gel texture, so that the leakage of liquid medicine is prevented.
Theinner tube 3 between themedicine outlet head 1 and themedicine injection head 7 is divided into two parts with different inner diameters, the inner diameter of the left part is smaller than that of the right part, and the part with the smaller inner diameter of the left part accounts for 3/4 of the total length of theinner tube 3.
The diameter of the right end face of themedicine outlet head 1 is equal to the outer diameter of theouter tube 2.
The use method of the disposable uterine cavity drug injection tube is explained in detail as follows:
when the medicine is injected into the uterine cavity, the medicine injection head 7 is taken down firstly, the medicine injection head 7 is installed at the right end of the inner tube 3 after the inner tube 3 is inserted into the outer tube 2, the medicine injection tube is inserted into the cervical orifice after the installation is finished, an operator holds one end of the medicine injection tube after the medicine discharge head 1 enters the cervical orifice by 2cm, the anchor bolt 6 is pushed by one hand, the mushroom head 4 exerts one force on the soft plastic part at the left end of the outer tube 2, the right end of the medicine discharge head 1 exerts the other force on the soft plastic part of the outer tube 2, the two forces are the same in size and opposite in direction, the soft plastic part of the outer tube 2 is arched to form a flower basket 8, the inner opening of the uterine cavity is sealed, the outer opening of the uterine neck is sealed by the mushroom head 4, the anchor bolt 6 at the right end of the outer tube 2 is screwed to the left, the medicine injection tube is fixed, even if the two hands are loosened in operation, the medicine injection tube cannot fall off, and the medicine injection can be performed by inserting the medicine discharge end of the medicine injection needle tube into the through hole of the medicine injection head 7.
Example 3
The difference between the present embodiment andembodiment 1 is that a wrench (not numbered in the figures) is disposed at one end of theinner tube 3 connected to theinjection head 7, and the wrench is disposed between theanchor bolt 6 and theinjection head 7, and when in use, the wrench is pulled so as to apply an outward force to theinner tube 3 and an inward force to theouter tube 2, and the two forces have the same magnitude and opposite directions, so that the soft plastic portion of theouter tube 2 is arched to form a flower basket 8.
Example 4
The difference of this embodiment fromembodiment 2 is that a wrench (not numbered) is disposed at one end of theinner tube 3 connected to theinjection head 7, and the wrench is disposed between theanchor bolt 6 and theinjection head 7, when in use, the wrench is pulled so that it applies an outward force to theinner tube 3 and an inward force to theouter tube 2, and the two forces have the same magnitude and opposite directions, so that the soft plastic portion of theouter tube 2 is arched to form a flower basket 8. The disposable uterine cavity drug injection tube does not need to fix the cervical orifice by using a clamp, does not cause physical damage to the cervix and is not easy to cause infection; in the process of injecting the medicine, an operating doctor does not need to manually fix the medicine injection tube, so that the radiation injury to the operating doctor is reduced; the medicine outlet head of the medicine injection tube is made of hard plastic, so that a patient suffering from narrow or slight adhesion of the cervical orifice can smoothly enter the uterine cavity; the double sealing measures of the flower basket and the mushroom head are adopted, so that the problem of leakage of liquid medicine in the medicine injection process and after medicine injection is solved.
The invention being thus described by way of example, it should be understood that any simple alterations, modifications or other equivalent alterations as would be within the skill of the art without the exercise of inventive faculty, are within the scope of the invention.
Claims (6)
1. A disposable uterine cavity drug injection tube is characterized in that: comprises an outer pipe (2) and an inner pipe (3) which are coaxially arranged and can move relatively,
the inner tube (3) is of a hollow tubular structure with openings at two ends, the left end of the inner tube (3) is provided with a medicine outlet head (1), the medicine outlet head (1) is of a conical structure with the top end being a spherical surface, a through hole is formed in the center of the medicine outlet head (1), the right end of the inner tube (3) is movably connected with a medicine injection head (7), and the center of the medicine injection head (7) is provided with the through hole;
the outer pipe (2) is of a hollow tubular structure with openings at two ends, a mushroom head (4) and an anchoring bolt (6) are mounted on the outer pipe (2), an external thread (5) is formed on the outer wall of the right end of the outer pipe (2), and the anchoring bolt (6) is movably connected to the external thread (5); the outer pipe (2) consists of a 1 st hard plastic section, a soft plastic section and a 2 nd hard plastic section from left to right, wherein the length of the 1 st hard plastic section is 1-3cm, the length of the soft plastic section is 2-4cm, gaps with uniform intervals are axially formed along one circle of the wall surface of the soft plastic section, and when two ends of the soft plastic section are subjected to opposite forces, the soft plastic section can form a flower basket (8);
a conical through hole with the diameter gradually reduced from left to right is formed in the anchoring bolt (6), an internal thread is formed in the through hole, and the internal thread is matched with the external thread (5);
the outer tube (2) and the mushroom head (4) are integrally manufactured, and the medicine outlet head (1) and the inner tube (3) are integrally manufactured.
2. The disposable uterine cavity drug injection tube of claim 1, wherein: the length of the external thread (5) at the right end of the outer pipe (2) is 1/8-1/4 of the total length of the outer pipe (2).
3. The disposable uterine cavity drug injection tube of claim 1, wherein: the inner tube (3) is made of hard plastic, and the injection head (7) is made of soft plastic or silica gel.
4. The disposable uterine cavity drug injection tube of claim 1, wherein: the inner tube (3) between the medicine outlet head (1) and the medicine injection head (7) is divided into two parts with different inner diameters, the inner diameter of the left part is smaller than that of the right part, and the part with the smaller inner diameter of the left part accounts for 2/3-3/4 of the total length of the inner tube (3).
5. The disposable uterine cavity drug injection tube of claim 1, wherein: the diameter of the right end face of the medicine outlet head (1) is equal to the outer diameter of the outer tube (2).
6. The disposable uterine cavity drug injection tube of claim 1, wherein: the soft plastic section forming the flower basket-shaped cavity can also be replaced by an air bag to realize the sealing of the cervical internal orifice.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710353046.5ACN106983948B (en) | 2017-05-18 | 2017-05-18 | Disposable uterine cavity drug injection tube |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710353046.5ACN106983948B (en) | 2017-05-18 | 2017-05-18 | Disposable uterine cavity drug injection tube |
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| Publication Number | Publication Date |
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| CN106983948A CN106983948A (en) | 2017-07-28 |
| CN106983948Btrue CN106983948B (en) | 2022-10-25 |
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| CN201710353046.5AExpired - Fee RelatedCN106983948B (en) | 2017-05-18 | 2017-05-18 | Disposable uterine cavity drug injection tube |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110743094A (en)* | 2019-12-03 | 2020-02-04 | 陈晓芳 | Cervical medicine feeder for gynecological treatment |
| CN112206404A (en)* | 2020-10-10 | 2021-01-12 | 深圳市华信生命医学技术有限公司 | intrauterine syringe |
| CN112617987B (en)* | 2020-12-30 | 2022-07-05 | 深圳英莱生命科学有限公司 | Embryo transplantation tube |
| CN116920255B (en)* | 2023-09-18 | 2024-10-01 | 北京大学第三医院（北京大学第三临床医学院） | Intrauterine atomization drug delivery device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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