CN210009505U - Drug delivery device for urethral injection - Google Patents
Drug delivery device for urethral injection Download PDFInfo
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- CN210009505U CN210009505U CN201920569520.2U CN201920569520U CN210009505U CN 210009505 U CN210009505 U CN 210009505U CN 201920569520 U CN201920569520 U CN 201920569520U CN 210009505 U CN210009505 U CN 210009505U
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- conical plug
- administration
- catheter
- delivery device
- administration catheter
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Abstract
The utility model discloses a drug delivery apparatus for urethral injection for be connected with the injection cylinder, inject medicine-carrying solution, medicine-carrying viscidity mucilage or gel and carry out the treatment to urinary tract system. The utility model discloses a following major structure: the administration catheter, the conical plug and the syringe connector are integrally formed or movably connected; the drug delivery catheter is of a cylindrical structure; the connecting end of the conical plug and the administration catheter is of a conical frustum structure, and the other end of the conical plug and the administration catheter is of a cylindrical structure; the syringe connector is arranged at one end of the cylindrical structure of the conical plug or inside the conical plug; and channels are arranged inside the administration catheter, the conical plug and the syringe connector. The utility model has the advantages that: novel structure, accurate control dose of dosing can independently carry out the urethra injection by the patient and dose, and secondary injury when sanitary safety and avoiding adding medicine to easily production and popularization simultaneously.
Description
Technical Field
The utility model belongs to the field of medical equipment, specifically a medical apparatus of dosing for urethral injection is dosed.
Background
At present, for the treatment of male or female urinary tract infection, common treatment modes include oral administration, external administration or subcutaneous injection administration and urethral administration by using a catheter, and the oral administration or the external administration often cannot achieve the expected target due to the problems of drug delivery and human absorption mechanism or brings side effects due to large drug dose; if the drug is administered by hypodermic injection or inserted into the urethra of a patient by using a catheter for curative effect, the patient can be suffered from pain and poor treatment experience, the two treatment modes of hypodermic injection and catheter insertion can not be completed by individuals, the operation of medical staff with professional skills is needed, and the hospital mainly uses female medical staff, so that the embarrassed mutual experience between the medical staff and the patient is caused in some cases.
With the development of the technology and the increase of requirements of people on treatment conditions, various male urethra drug delivery instruments or devices, urethra injection drug delivery instruments with complex engineering design, drug delivery instruments with catheter and plastic ampoule type combination and independently designed urethra drug delivery heads appear on the market, but all have various related defects, such as high manufacturing cost and incapability of bearing by common patients; the dosage can not be accurately controlled, and the treatment effect is influenced; unreasonable urethra catheter design and rough material, and the friction with urethra mucosa during administration brings pain to patients.
Therefore, lack a true simple structure on the existing market, the low price, the independent operation realizes the accuracy and doses, easily promotes, painless or reduce the painful male sex or women urethra apparatus of dosing of patient, and the utility model discloses a design can solve and avoid these problems to the at utmost.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a neotype an apparatus of dosing for urethral injection realizes carrying out the urethral injection and dosing accurate control when dosing treatment, avoids the pipe to the amazing and the damage of urethra mucosa to and the safety and sanitation when dosing.
The utility model discloses can realize instructing or medical personnel's simple instruction according to the description and accomplish the patient and independently dose, avoid patient and medical personnel to expose or contact the awkwardness in the emotion that brings because of private department. Or the medicine is administered by a medical staff under the condition that the patient can not carry out the operation, the operation is simple and clear, and the workload of the medical staff is reduced.
In order to achieve the above object, the utility model provides a following technical scheme: a delivery device for urethral injection, comprising: the administration catheter, the conical plug and the syringe connector are integrally formed or movably connected; the drug delivery catheter is of a cylindrical structure; the connecting end of the conical plug and the administration catheter is of a conical frustum structure, and the other end of the conical plug and the administration catheter is of a cylindrical structure; the syringe connector is arranged at one end of the cylindrical structure of the conical plug or inside the conical plug; and channels are arranged inside the administration catheter, the conical plug and the syringe connector.
The administration catheter is used for inserting into urethra and extruding medicine; the middle conical plug is used for plugging the urethral orifice; the injector connector is used for connecting and fixing an injector and is used as a liquid medicine inlet.
As a further improvement of the utility model, the open end of the drug delivery catheter is provided with a smooth arc structure, the radius of the arc structure is 0.1-4mm, and the sharp drug delivery head is prevented from being inserted into the urethra to cause stabbing pain.
As the utility model discloses a further improvement, the pipe texture of dosing is pliable and tough, makes the pipe of dosing smooth and mellow through special technique of polishing, does not have sharp corner, and the mucosa damage that the pipe of dosing and urethra mucosa friction caused when having greatly reduced the medicine loading prevents to cause the infection, brings the misery for the patient.
As a further improvement of the utility model, the administration apparatus for urethral injection is characterized in that the administration catheter is 1-20mm long, 1-16mm in outer diameter, 1-8mm in diameter of the middle hole and 0.5-8mm in thickness; further preferably, the length of the administration catheter is 1-10mm, the outer diameter is 1-8mm, the diameter of the middle hole is 1-4mm, and the thickness is 0.5-4mm, so that the residual quantity of the liquid medicine in the pipeline of the device is reduced, and the stability of the administration dosage is ensured.
As a further improvement of the utility model, the cone angle of the connecting end of the conical plug and the administration catheter is 6-40 degrees, wherein the length of the cylindrical structure is 3-50 mm; the cone angle is further optimized to be 10-15 degrees, wherein the length of the cylinder structure is 7-20mm, the depth of the catheter inserted into the urethra is controlled, the liquid medicine is prevented from overflowing during injection, and the accuracy of the administration dosage and the treatment effect are guaranteed; and the surface of the conical plug adopts the same polishing process as the administration catheter, is smooth and mellow, and avoids mucosa injury caused by friction of the external orifice of the urethra.
As the utility model discloses a further improvement, the cylinder of the cylinder structure of circular cone end cap sets up the protruding structure of strip of edgewise direction, and the design protection of the upper shield of being convenient for has increased the frictional force of upper shield and the apparatus of dosing simultaneously, has avoided taking place the upper shield and should dosing the interior spiral of apparatus when handheld upper shield revolves the syringe, has guaranteed the clean health in surface of the head of dosing and has dosed closely fixed of head and syringe.
As a further improvement, the connector is fixed with the injector through threaded connection, so that the drug administration process is prevented, the dropping condition of the drug administration head and the injector is caused in the drug administration process due to internal pressure or external operation, and the safety and the accurate control of the drug administration dose in the treatment process are ensured.
As a further improvement of the utility model, the syringe connector has and not only is limited to hot melt connection, interference connection, mechanical buckle connection, threaded connection with syringe connected mode, and it is fixed with the structure connection of luer of syringe through the screw thread further preferred, can with syringe (storage medicine pipe) integrated into one piece under specific technology.
As a further improvement of the utility model, the channel of the injector connector is of a cylinder or a cone frustum structure.
As a further improvement of the utility model, the port of syringe connector satisfies 6% luer taper connector standard GB-T1962.1-2015 or standard GB-T1962.2-2016.
As a further improvement of the utility model, the device can be integrally formed with the injector (drug storage tube) during production after the injector connector is removed.
As a further improvement of the utility model, the material of the drug delivery device is various rigid or semi-rigid solid materials with good adaptability to human bodies in the treatment process.
As a further improvement of the utility model, the solid material of the drug delivery device is selected from single or any kind of mixed material including metal, glass, plastic, rubber and latex.
As a further improvement of the utility model, the material of the drug delivery device is one or more of polymer materials of mixture.
As a further improvement of the present invention, the polymer material has good thermoplasticity, thermosetting property or flexibility.
As a further improvement of the present invention, the polymer material is one or more of Polytetrafluoroethylene (PTFE), polypropylene (PP), Polyethylene (PE), Polycarbonate (PC), polyvinyl chloride (PVC), Polyester (PR), rubber, latex, and other polymer materials.
As a further improvement, the utility model discloses a device of dosing for urethral injection adopts the polypropylene material to choose for use optimum polypropylene granule raw materials production, the polypropylene raw materials is easy, the low price, and it is good to mould the thermal property, and the large-scale production degree of difficulty is little, and the human adaptability of this material is good simultaneously, and the patient easily accepts the use.
As a further improvement, the utility model discloses a stability of production and product price is guaranteed in the production mode diversification, can adjust production technology at any time according to the cost calculation for the apparatus of dosing of urethral injection both can be through traditional die casting technology production, also can be through 3D printing technology production.
As a further improvement of the utility model, the administration device for urethral injection can inject the active drug or the contrast agent and other auxiliary therapeutic components into the urethra in various forms of solution, mucilage, gel and gas through the external pressure, and furthermore, the injection form is mainly the solution, the mucilage and the gel.
The device has simple structure, good material adaptability, accurate control of the drug administration dosage, and can satisfy the operation of urethral injection drug administration for a single patient. The device is not limited to urethra administration for male adults or children, can be used for female adults or children under certain conditions, and can also be used for urethra administration treatment and rectal administration treatment. The device can optimize and adjust the structure according to the actual use personnel and the treatment mode, thereby gaining the treatment effect.
The utility model has the advantages that: the utility model discloses convenient to use, the practicality is strong, can independently carry out the urethra injection by the patient and dose, avoids the awkwardness between medical personnel and the patient. The unique structural design and the production process avoid the friction injury or stabbing pain of the urethral mucosa of the patient during the administration of the medicine. The conical plug reasonably controls the length of the administration catheter entering the urethra and plugs the urethral orifice, and the administration dosage is accurately controlled. The cylinder structure of circular cone end cap and the structural strip protruding structure of cylinder ensure the sealed save of ways and drug delivery apparatus with increased frictional force between the two to guarantee to connect when connecting the syringe fastening and use safety and sanitation. To sum up, the utility model discloses novel structure, the dose is dosed in accurate control, secondary injury when sanitary safety and avoiding adding medicine to easily production and popularization simultaneously.
Drawings
FIG. 1 is a cross-sectional view of an embodiment of the present invention;
FIG. 2 is an end view of the administration catheter of the embodiment of FIG. 1;
fig. 3 is a perspective view of an embodiment of the present invention;
FIG. 4 is a cross-sectional view of another embodiment of the present invention;
fig. 5 is a schematic view of an embodiment of the present invention in connection with a syringe;
in the figure: 1. an administration catheter; 2. a conical plug; 3. a syringe connector; 4. a channel; 5. a strip-shaped convex structure;
6. and (6) covering.
Detailed Description
Example 1
As shown in fig. 1, the preferred structure of the present invention is as follows: an apparatus for medicine delivery through the external orifice of urethra comprises a medicine delivery catheter 1, a conical plug 2 and an injector connector 3 which are integrally formed, and the integral structure is integrally formed; and a channel 4 is arranged inside the administration catheter 1, the conical plug 2 and the syringe connector 3. The apparatus is made of polypropylene; the administration catheter 1 is of a cylindrical structure, the length of the administration catheter 1 is 7mm, the outer diameter of the administration catheter is 6mm, the inner diameter of the administration catheter 1 is 2.4mm, the thickness of the administration catheter 1.8mm, the radius of an arc structure arranged at the open end of the administration catheter 1 is 1mm, the connecting end of the conical plug 2 and the administration catheter 1 is of a conical frustum structure, the other end of the conical plug is of a cylindrical structure, the cone angle of the connecting end of the conical plug 2 and the administration catheter 1 is 13 degrees, the length of the cylindrical structure is 6mm, and a strip-shaped protruding structure 5 is arranged on; the syringe connector 3 is arranged at one end of the cylindrical structure of the conical plug 2; the syringe connector 3 meets the national standard of a 6% luer syringe connector; the bore diameter of channel 4 at the administration catheter 1 is 2.4mm and the bore diameter of channel 5 at the syringe connector 3 is 6% luer syringe fitting bore size.
Example 2
As shown in fig. 4, the preferred structure of the present invention is as follows: an apparatus for medicine delivery through the external orifice of urethra comprises a medicine delivery catheter 1, a conical plug 2 and an injector connector 3 which are integrally formed, and the integral structure is integrally formed; and a channel 4 is arranged inside the administration catheter 1, the conical plug 2 and the syringe connector 3. The apparatus is made of polypropylene; the administration catheter 1 is of a cylindrical structure, the length of the administration catheter 1 is 7mm, the outer diameter of the administration catheter is 6mm, the inner diameter of the administration catheter 1 is 2.4mm, the thickness of the administration catheter 1.8mm, the radius of an arc structure arranged at the open end of the administration catheter 1 is 1mm, the connecting end of the conical plug 2 and the administration catheter 1 is of a conical frustum structure, the other end of the conical plug is of a cylindrical structure, the cone angle of the connecting end of the conical plug 2 and the administration catheter 1 is 15 degrees, the length of the cylindrical structure is 15mm, and a strip-shaped protruding structure 5 is arranged on; the syringe connector 3 is arranged inside the cylindrical structure of the conical plug 2; the syringe connector 3 meets the national standard of a 6% luer syringe connector; the bore diameter of channel 4 at the administration catheter 1 is 2.4mm and the bore diameter of channel 5 at the syringe connector 3 is 6% luer syringe fitting bore size.
The utility model discloses a concrete operation as follows:
cleaning and disinfecting hands. The instrument package is unpacked as instructed by the instructions, the cover 6 is held in the hand, the syringe connector 3 is aligned with the 6% luer syringe head containing the liquid medicine, the syringe connector is rotated clockwise or counterclockwise (the specific rotation direction is related to the hand holding direction of the syringe), the connection is fastened, and the cover 6 is pulled outwards. The thumb, ring finger and little finger of the left hand clamp the front part of the penis, and the index finger and the middle finger clamp the cylindrical structure of the conical plug 2 of the device, so that the administration catheter 1 is inserted into the urethra. The conical plug 2 is lightly pressed on the external orifice of the urethra to plug the orifice of the urethra, the left hand is pressed, and the right hand slightly pushes the injector push rod to slowly inject the liquid medicine for administration.
Claims (10)
1. A delivery device for urethral injection, comprising: the administration catheter, the conical plug and the syringe connector are integrally formed or movably connected; the drug delivery catheter is of a cylindrical structure; the connecting end of the conical plug and the administration catheter is of a conical frustum structure, and the other end of the conical plug and the administration catheter is of a cylindrical structure; the syringe connector is arranged at one end of the cylindrical structure of the conical plug or inside the conical plug; and channels are arranged inside the administration catheter, the conical plug and the syringe connector.
2. A delivery device for urethral injection as claimed in claim 1, wherein: the open end of the administration catheter is of a smooth circular arc structure.
3. A delivery device for urethral injection as claimed in claim 2, wherein: the radius of the circular arc structure is 0.1-4 mm.
4. A delivery device for urethral injection as claimed in claim 1, wherein: the administration catheter is 1-20mm long, 1-16mm in outer diameter, 1-8mm in inner diameter and 0.5-8mm in thickness.
5. A delivery device for urethral injection as claimed in claim 4, wherein: the administration catheter is 1-10mm long, 1-8mm in outer diameter, 1-4mm in inner diameter and 0.5-4mm in thickness.
6. A delivery device for urethral injection as claimed in claim 1, wherein: the cone angle of the connecting end of the conical plug and the administration catheter is 6-40 degrees, wherein the length of the cylindrical structure is 3-50 mm.
7. A delivery device for urethral injection as claimed in claim 6, wherein: the cone angle of the connecting end of the conical plug and the administration catheter is 10-15 degrees, wherein the length of the cylindrical structure is 7-20 mm.
8. A delivery device for urethral injection as claimed in claim 1, wherein: the cylindrical surface of the cylindrical structure of the conical plug is provided with a strip-shaped protruding structure along the axial direction.
9. A delivery device for urethral injection as claimed in claim 1, wherein: the connection mode of the syringe connector and the syringe comprises hot melt connection, interference connection, mechanical buckle connection and threaded connection.
10. A delivery device for urethral injection as claimed in claim 1, wherein: the passage of the syringe connector is of a cylindrical or conical frustum structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920569520.2U CN210009505U (en) | 2019-04-24 | 2019-04-24 | Drug delivery device for urethral injection |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920569520.2U CN210009505U (en) | 2019-04-24 | 2019-04-24 | Drug delivery device for urethral injection |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210009505U true CN210009505U (en) | 2020-02-04 |
Family
ID=69315732
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920569520.2U Active CN210009505U (en) | 2019-04-24 | 2019-04-24 | Drug delivery device for urethral injection |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210009505U (en) |
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2019
- 2019-04-24 CN CN201920569520.2U patent/CN210009505U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20201127 Address after: 210046 Building C5, No. 9 Weidi Road, Xianlin University Town, Xianlin Street, Qixia District, Nanjing City, Jiangsu Province Patentee after: NANJING HANXIN PHARMACEUTICAL TECHNOLOGY Co.,Ltd. Address before: No. 5 Xinghe Road, Xingang Economic and Technological Development Zone, Nanjing, Jiangsu Province Patentee before: Meiyaoxing (Nanjing) Pharmaceutical Co.,Ltd. Patentee before: NANJING HANXIN PHARMACEUTICAL TECHNOLOGY Co.,Ltd. |