Urethral administration device
By combining an infusion tube, a rubber sleeve, and a volume-enlarging tube into a urethral drug delivery device, and integrating an electric lifting assembly, the problems of low efficiency and difficulty in controlling the speed of multiple administrations in existing urethral drug delivery devices are solved, achieving efficient and uniform drug delivery and reducing urethral damage and pain.
Patent Information
- Application Number
- CN202423011279.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-06
- Publication Date
- 2026-02-27
- Estimated Expiration
- 2034-12-06
AI Technical Summary
Existing urethral drug delivery devices require frequent removal and insertion during multiple administrations, which affects drug delivery efficiency, increases urethral damage and patient discomfort, and makes it difficult to control the drug delivery rate.
A urethral drug delivery device was designed, which uses a syringe barrel composed of an infusion tube, a rubber sleeve, a disposable bottom tube, and a volume-enhancing tube, combined with an electric lifting component to increase the amount of drug and deliver it evenly, avoiding frequent insertion and removal, and using electric drug delivery control speed.
It improves drug delivery efficiency, reduces urethral damage and patient discomfort, ensures uniform drug delivery speed, and avoids pain.
Smart Images

Figure CN223944762U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to medical instrument technical field especially, and it is a urethral dosing device. BACKGROUND
[0002] Urethral dosing refers to the medicine is directly injected into urethral submucosa, and the function is exerted by using its absorption into blood circulation. Urethral dosing can treat cystitis, urethritis, prostatitis and other diseases, can play the role of antibacterial and anti-inflammatory, can promote the recovery of illness. When urethral dosing, generally need to use urethral dosing device to assist operation.
[0003] At present, urethral dosing device its structure is similar to syringe, and the maximum dosing capacity is according to the volume of syringe, and in the routine use, it is completely enough, but some patients' illness is more serious, and sometimes, one treatment needs multiple dosing, and the existing urethral dosing device needs to be taken out from urethra when multiple dosing, and then the liquid medicine can be supplemented, and then dosing can be carried out again, not only troublesome, but also influence dosing efficiency, increase the damage to the urethra of patient, improve the discomfort of patient, and since it is artificial dosing, the dosing speed is also difficult to control, and cannot be dosed at a constant speed, if the dosing speed is too fast, the patient is easy to cause pain, therefore, a urethral dosing device is proposed. UTILITY MODEL CONTENT
[0004] The utility model discloses a urethral dosing device to solve the shortcoming in the prior art.
[0005] In order to realize the above-mentioned purpose, the utility model adopts the following technical scheme: a urethral dosing device, including dosing pipe, one end of dosing pipe is fixed and penetrates and has infusion pipe, the distal end of infusion pipe is fixed and penetrates and has rubber sleeve, the inner surface of rubber sleeve is abutted with disposable bottom pipe, and the top of disposable bottom pipe is equipped with a plurality of disposable capacity increasing pipes.
[0006] The disposable bottom pipe and the plurality of disposable capacity increasing pipes can be combined into a complete syringe barrel, the inner wall of the syringe barrel is sealed and slidably connected with a piston body, and the top of the piston body is fixedly connected with a piston rod.
[0007] The outer surface of the disposable bottom pipe is threadedly sleeved with a support seat, the top of the support seat is fixedly installed with an electric lifting assembly, and the movable end of the electric lifting assembly is fixedly connected with the piston rod.
[0008] Further, the outer surface of the dosing pipe is fixedly sleeved with a rubber ring.
[0009] Further, the disposable bottom pipe comprises a main body, a connecting pipe is fixed through the bottom of the main body, and a rubber sleeve is sleeved on the outer surface of the connecting pipe, the outer surface of the connecting pipe is provided with external threads at the top, and the external threads are threadedly connected with the supporting seat.
[0010] Further, the main body is sealingly and threadedly connected with the adjacent disposable capacity-increasing pipe, and the adjacent two disposable capacity-increasing pipes are sealingly and threadedly connected.
[0011] Further, the electric lifting assembly comprises an assembling seat, and the assembling seat is fixedly installed at the top of the supporting seat, the inner bottom of the assembling seat is fixedly connected with a motor, the driving end of the motor is fixedly connected with a screw rod, the screw rod is rotatably connected with the assembling seat, and the outer surface of the screw rod is threadedly sleeved with a sliding plate, and the sliding plate is slidingly connected with the assembling seat.
[0012] Further, the top of the sliding plate is provided with a through hole penetrating through the bottom, and the through hole is matched with the piston rod, and the outer surface of the sliding plate is provided with a hand screw penetrating into the through hole, and the hand screw is threadedly connected with the sliding plate.
[0013] Further, the bottom of the supporting seat is fixedly connected with a base.
[0014] The beneficial effects of the present application are as follows:
[0015] In use, the urethral applicator can increase the capacity of the syringe barrel, increase the liquid carrying capacity, avoid subsequent liquid supplement, avoid affecting the drug efficiency, reduce the damage and discomfort of the urethra of the patient, and ensure the uniformity of the drug speed. BRIEF DESCRIPTION OF DRAWINGS
[0016] In order to more clearly illustrate the technical scheme of the present application, the following will briefly introduce the drawings needed in the specific implementation manner. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative labor.
[0017] Fig. 1 The utility model discloses a three -dimensional view;
[0018] Fig. 2 The utility model discloses a sectional view;
[0019] Fig. 3 The utility model discloses a disposable bottom pipe sectional view.
[0020] Reference signs are as follows:
[0021] 1, administration tube; 2, rubber ring; 3, infusion tube; 4, assembly seat; 5, screw rod; 6, sliding plate; 7, hand screw; 8, piston rod; 9, disposable capacity increasing tube; 10, support seat; 11, base; 12, motor; 13, piston body; 14, main body; 15, connecting tube; 16, external thread; 17, rubber sleeve. DETAILED DESCRIPTION
[0022] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.
[0023] As Figs. 1 to 3 shown, it relates to a urethral dosing device, including administration tube 1, the outer surface of administration tube 1 is fixedly sleeved with rubber ring 2, and rubber ring 2 has a limiting effect on administration tube 1, which is conducive to the use of administration tube 1.
[0024] One end of administration tube 1 is fixedly penetrated with infusion tube 3, the distal end of infusion tube 3 is fixedly penetrated with rubber sleeve 17, the inner surface of rubber sleeve 17 abuts against disposable bottom tube, the top of disposable bottom tube is provided with a plurality of disposable capacity increasing tubes 9, and disposable bottom tube and the plurality of disposable capacity increasing tubes 9 can be combined into a complete syringe barrel, disposable bottom tube includes main body 14, the bottom of main body 14 is fixedly penetrated with connecting tube 15, rubber sleeve 17 is sleeved on the outer surface of connecting tube 15, the outer surface of connecting tube 15 is provided with external thread 16, and external thread 16 is threadedly connected between support seat 10, main body 14 and adjacent disposable capacity increasing tube 9 are sealingly threadedly connected, adjacent two disposable capacity increasing tubes 9 are sealingly threadedly connected, and the adjacent two disposable capacity increasing tubes 9 are sealingly abutted, without the need to set sealing ring.
[0025] The inner wall of syringe barrel is sealingly slidably provided with piston body 13, the top of piston body 13 is fixedly connected with piston rod 8, piston rod 8 drives piston body 13 to move in syringe barrel, and the syringe barrel has a pumping function.
[0026] The outer surface of the disposable bottom pipe is threadedly sleeved with a supporting seat 10, the top of the supporting seat 10 is fixedly installed with an electric lifting assembly, the movable end of the electric lifting assembly is fixedly connected with the piston rod 8, the electric lifting assembly comprises an assembly seat 4, and the assembly seat 4 is fixedly installed at the top of the supporting seat 10, the inner bottom of the assembly seat 4 is fixedly connected with a motor 12, the driving end of the motor 12 is fixedly connected with a screw rod 5, and the screw rod 5 is rotatably connected with the assembly seat 4, the screw rod 5 is rotatably connected with the assembly seat 4 through a bearing, the inner ring of the bearing is fixedly connected with the screw rod 5, and the outer ring of the bearing is fixedly connected with the assembly seat 4, the outer surface of the screw rod 5 is threadedly sleeved with a sliding plate 6, and the sliding plate 6 is slidably connected with the assembly seat 4, the top of the sliding plate 6 is provided with a through hole penetrating through the bottom, and the through hole is matched with the piston rod 8, one side of the outer surface of the sliding plate 6 is provided with a hand screw 7 penetrating into the through hole, and the hand screw 7 is threadedly connected with the sliding plate 6, and the hand screw 7 is beneficial to the assembly and fixation of the sliding plate 6 and the piston rod 8.
[0027] The bottom of the supporting seat 10 is fixedly connected with a base 11, and the base 11 is beneficial to supporting and placing.
[0028] Working principle: first, the disposable bottom pipe is fixed on the supporting seat 10 through the external thread 16, then the piston body 13 and the piston rod 8 are installed, then the disposable capacity-increasing pipe 9 is assembled in sequence according to the needs until the required capacity is reached, then the motor 12 is operated, the motor 12 drives the screw rod 5 to rotate, the screw rod 5 drives the sliding plate 6 to descend, when the piston rod 8 penetrates through the sliding plate 6, the motor 12 stops operating, then the hand screw 7 is tightened, then the existing disposable needle is assembled on the connecting pipe 15, the needle is placed in the liquid medicine, then the motor 12 is reversed, the piston body 13 is driven to move upward through each component, the liquid medicine is extracted, until the extraction operation is completed, then the disposable needle is removed, then the rubber sleeve 17 is installed on the connecting pipe 15, then the motor 12 drives the piston body 13 to descend through each component, the liquid medicine is pressed into the infusion pipe 3, until it enters the administration pipe 1, then the motor 12 stops operating, then the administration pipe 1 is inserted into the urethra of the patient, and then the administration operation is performed again.
[0029] It should be noted that, in actual use, an existing technology controller and a control button can be added, the controller is electrically connected with the motor 12 and the control button, which is beneficial to controlling the overall operation, and the specific data analysis and processing related to the control function are methods that can be realized by those skilled in the art based on common knowledge, which are not within the scope of the present scheme, and the above description only illustrates the beneficial effects that can be achieved by improving the hardware structure based on common knowledge.
[0030] The preferred embodiments disclosed above are only used to help describe the utility model. The preferred embodiments do not describe all the details and do not limit the utility model to the specific implementation. Obviously, according to the content of the specification, many modifications and changes can be made. The specification selects and specifically describes these embodiments in order to better explain the principle and practical application of the utility model, so that the person skilled in the art can well understand and utilize the utility model. The utility model is limited by the claims and the whole scope and equivalents thereof.
Claims
1. A urethral applicator comprising an applicator tube (1), characterised in that: One end of the administration tube (1) is fixedly penetrated by an infusion tube (3), the end of the infusion tube (3) is fixedly penetrated by a rubber sleeve (17), the inner surface of the rubber sleeve (17) abuts against a disposable bottom tube, the top of the disposable bottom tube is provided with a plurality of disposable capacity increasing tubes (9); The disposable bottom tube and the plurality of disposable capacity increasing tubes (9) can be combined into a complete syringe barrel, the inner wall of the syringe barrel is sealingly slidably provided with a piston body (13), the top of the piston body (13) is fixedly connected with a piston rod (8); The outer surface of the disposable bottom tube is threadedly sleeved with a supporting seat (10), the top of the supporting seat (10) is fixedly installed with an electric lifting assembly, and the movable end of the electric lifting assembly is fixedly connected with the piston rod (8).
2. A urethral applicator according to claim 1, characterised in that: The outer surface of the administration tube (1) is fixedly sleeved with a rubber ring (2).
3. A urethral applicator according to claim 1, wherein: The disposable bottom tube comprises a main body (14), the bottom of the main body (14) is fixedly penetrated by a connecting tube (15), and the rubber sleeve (17) is sleeved on the outer surface of the connecting tube (15), the outer surface of the connecting tube (15) is provided at the top with external threads (16), and the external threads (16) are threadedly connected with the supporting seat (10).
4. A urethral applicator according to claim 3, wherein: The main body (14) and the adjacent disposable capacity increasing tube (9) are sealingly threadedly connected, and the adjacent two disposable capacity increasing tubes (9) are sealingly threadedly connected.
5. A urethral applicator according to claim 1, wherein: The electric lifting assembly comprises an assembly seat (4), and the assembly seat (4) is fixedly installed on the top of the supporting seat (10), the inner bottom of the assembly seat (4) is fixedly connected with a motor (12), the driving end of the motor (12) is fixedly connected with a screw rod (5), the screw rod (5) is rotatably connected with the assembly seat (4), the outer surface of the screw rod (5) is threadedly sleeved with a sliding plate (6), and the sliding plate (6) is slidingly connected with the assembly seat (4).
6. A urethral applicator according to claim 5, wherein: The top of the sliding plate (6) is provided with a through hole penetrating the bottom, and the through hole is matched with the piston rod (8), one side of the outer surface of the sliding plate (6) is provided with a hand screw (7) penetrating into the through hole, and the hand screw (7) is threadedly connected with the sliding plate (6).
7. A urethral applicator according to claim 1, wherein: The bottom of the supporting seat (10) is fixedly connected with a base (11).