CN208372266U - Catheter is administered in prostate - Google Patents
Catheter is administered in prostate Download PDFInfo
- Publication number
- CN208372266U CN208372266U CN201721123469.XU CN201721123469U CN208372266U CN 208372266 U CN208372266 U CN 208372266U CN 201721123469 U CN201721123469 U CN 201721123469U CN 208372266 U CN208372266 U CN 208372266U
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- CN
- China
- Prior art keywords
- urethral catheterization
- tube body
- catheter
- storing bag
- medicine storing
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- Infusion, Injection, And Reservoir Apparatuses (AREA)
Abstract
The utility model discloses a kind of prostates, and catheter is administered, including urethral catheterization tube body, urethral catheterization tube body front end is provided with pressure medicine storing bag, sustained-release administration micropore is provided on rear side of pressure medicine storing bag, the delivery tube being connected to pressure medicine storing bag is buried along catheter ontology tube wall, delivery tube goes out catheter ontology tube wall setting administration valve port.Heating head is arranged in the embedded controllable heating seal wire of the intracavitary activity of urethral catheterization tube body urethral catheterization, heating seal wire head end corresponding pressure medicine storing bag position, and heating seal wire tail end goes out catheter setting power supply unit and temperature controller.The utility model can position prostate, in Prostatic Surface sustained-release administration, and to medicine-feeding part safe heating, promote medical fluid to absorb, enhance therapeutic effect.
Description
Technical field
The utility model relates to a kind of catheters, belong to the technical field of medical instrument.
Background technique
Prostatitis is the common disease of Urology Surgery, the account for the first in Urology Surgery male patient's the right side of fifty.Nineteen ninety-five
NIH has formulated a kind of new prostatitis classification method, I type: the acute bacterial prostate being equivalent in conventional sorting methods
Inflammation, II type: the chronic bacterial prostatitis being equivalent in conventional sorting methods, III type: chronic prostatitis/chronic pelvic pain
Pain syndrome, IV type: asymptomatic prostatitis.Wherein non-bacterial prostatitis is common far beyond bacterial prostatitis.
Prostatitis treating is more troublesome, general to be administered orally, and can be reached prostatic after drug absorption and is extremely limited,
Clinic mostly uses per anum drop rectum with drug at present, but after drop rectum with drug, and patient's awareness of defecation is obvious, and drug is not easy to protect for a long time
It deposits, therapeutic effect is limited.
Meanwhile prostate Other diseases, such as malignant tumour, it needs to administer locally to therapeutic agent in prostatic, such as
Chemotherapeutics etc., the requirement being precisely administered also are difficult to meet.Clinical treatment is substantially after patient's drained of urine at present, by medicine
Object is disposably injected into bladder.As Urine in Patients generates, discharge when filling of bladder is difficult to endure, drug is dilute quickly
It releases, it is poor that treatment energy duration also compares shor time treatment effect.
Summary of the invention
The purpose of this utility model is to improve the deficiencies in the prior art, provides a kind of prostate administration catheter,
Continuous heating administration can be positioned to prostate, curative effect is preferable, and structure is simple, securely and reliably.
According to technical solution provided by the utility model, a kind of prostate administration catheter, including urethral catheterization tube body, urethral catheterization
Pressure medicine storing bag is arranged in tube body head end, and urethral catheterization tube body head end side connection pressure medicine storing bag is being provided with sustained-release administration
Mouthful.The delivery tube being connected to pressure medicine storing bag is buried along catheter ontology tube wall, delivery tube goes out the setting of catheter ontology tube wall
Valve port is administered.
The embedded controllable heating seal wire of the intracavitary activity of urethral catheterization tube body urethral catheterization, it is controllable to heat the storage of seal wire head end corresponding pressure
Heating head is arranged in anther sac position, and heating seal wire tail end goes out catheter setting power supply unit and temperature controller.
The temperature controller can control the temperature of heating head lower than 45 °C.
Curved guide head is arranged in the urinary catheter ontology head end, and curved guide head hardness is less than urethral catheterization tube body, curved guide
Head surface is coated with superslide coating.
The utility model can allow medical fluid sustained release in prostate table by the way that sustained release dosing structure is arranged in administration catheter
Face achievees the effect that continued treatment；Medicine-feeding part can suitably be heated, medical fluid is promoted to absorb, enhance liquid medicine applying effect.Through urinating
After road is placed in bladder, continuous heating administration can be positioned to prostate, curative effect is preferable, and structure is simple, securely and reliably.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model；
Fig. 2 is that the utility model pressure medicine storing bag injects the structural schematic diagram after medical fluid.
Description of symbols: 1- urethral catheterization tube body, 11- catheter lumens, 2- pressure medicine storing bag, 3- sustained-release administration mouth, 4-
Delivery tube, 5- administration valve port, 6- controllably heat seal wire, 61- heating head and 7- power supply unit and temperature controller.
Specific embodiment
Below with reference to specific drawings and examples, the utility model is described in further detail.
In order to effectively realize that prostate local sustained release is administered, prostate drug treatment effect is improved.As shown in Figure 1, there is shown, institute
Prostate administration catheter is stated, including pressure medicine storing bag 2 is arranged in urethral catheterization tube body 1,1 head end of urethral catheterization tube body, far from urethral catheterization
1 head end side of tube body connection pressure medicine storing bag 2 is provided with sustained-release administration mouth 3.The embedded and pressure along 1 tube wall of urethral catheterization tube body
The delivery tube 4 that medicine storing bag 2 is connected to, delivery tube 4 go out 1 tube wall of urethral catheterization tube body setting administration valve port 5.
By the way that valve port 5, delivery tube 4 is administered, therapeutic agent vasopressing injection can be entered pressure medicine storing bag 2 by we, pressed later
Under the cyst wall elastic recovery force effect of power medicine storing bag 2, the medical fluid in pressure medicine storing bag 2 can be sustained through sustained-release administration mouth 3 in forefront
Gland surface part, is conducive to drug local absorption, enhances therapeutic effect.
Before use, urethral catheterization tube body 1 is placed in bladder by first per urethra, urinal, bladder are connected in 1 tail end of urethral catheterization tube body
Interior urine can flow into urinal along catheter lumens 11.The medical fluid of injection treatment prostate sufferer, pressure into pressure medicine storing bag 2
Power medicine storing bag 2 expands, and hand-held urethral catheterization tube body 1 is gently pullled outward, makes to be adjacent on rear side of pressure medicine storing bag 2 in bladder opening
Prostatic Surface makes 3 docile of sustained-release administration mouth of 2 rear side of pressure medicine storing bag in being located at Prostatic Surface, fixes urethral catheterization tube body
1.Later, the medical fluid in pressure medicine storing bag 2 can be under the effect of the pressure of cyst wall, through 3 slow release of sustained-release administration mouth in prostate
Surface achievees the purpose that prostate local administration.
It should be noted that before administration the intravesical urine of patient should be emptied as far as possible through catheter lumens 11, medicine is avoided
Liquid influences the effect of Prostatic Surface local administration by urine excess dilution.While being administered continuously, catheter lumens 11
Also it can continue urine extra in empty bladder, avoid medical fluid by excess dilution, improve therapeutic effect.
Specifically, the key that drug releasing rate controls when the aperture of the sustained-release administration mouth 3, in order to effectively control medical fluid
The speed of release, the aperture of the sustained-release administration mouth 3 should be less than 2 microns.Certainly, 2 rear side surface of pressure medicine storing bag can be using half
Filter membrane is made, and medical fluid can slowly penetrate through half filter membrane, reaches Prostatic Surface, to effectively implement sustained-release administration.Half filter membrane
Artificial half filter membrane can be used, biological half filter membrane also can be used.
As shown in Fig. 2, injecting the amplification assumption diagram swelled after medical fluid for pressure medicine storing bag 2.Half side capsule before pressure medicine storing bag 2
Wall is not provided with sustained-release administration hole, can freely swell storage medical fluid；2 rear side of pressure medicine storing bag is provided with close to Prostatic Surface position
Sustained-release administration mouth 3 can be effectively controlled the speed that sustained-release administration mouth 3 is discharged to medical fluid.
In order to further increase prostate local administration effect, as shown in Figure 1, in 1 urethral catheterization chamber 11 of the urethral catheterization tube body
Heating head 61 is arranged in the embedded controllable heating seal wire 6 of activity, controllable 6 head end corresponding pressure medicine storing bag of seal wire, 2 position of heating, and heating is led
6 tail ends of silk go out catheter setting power supply unit and temperature controller 7.
Controllable heating seal wire 6 is constituted to wrap up insulator outside the power supply line of 61 positive and negative anodes of heating head electrical connection.Pass through heating
First 61 can heat pressure medicine storing bag 2, effectively improve fluid temperature in pressure medicine storing bag 2；Meanwhile heating head 61 can be to prostate
Local heating improves prostate local temperature.After local temperature improves, blood vessel dilatation in prostate, vascular resistence becomes smaller, blood
Rate of flooding accelerates, and medical fluid infiltration rate increases, and medical fluid topical therapeutic effect improves.It is controllable to heat 6 tail end of seal wire and for Denso
It sets and temperature controller 7 is electrically connected, electric energy can be provided by power supply unit and temperature controller 7 for heating head 61, and can control
The heating temperature of heating head 61.
In order to ensure safety, avoid temperature is excessively high from causing to scald, the temperature controller can control the temperature of heating head 61
Lower than 45 °C.Certainly, temperature should control more appropriate at 40-45 °C when using in due course.
Further, not straight trip channel, urethra have several bendings to urethra, are placed in bladder along urethra in urethral catheterization tube body 1
When, curved guide head can be set in 1 head end of urinary catheter ontology, when urethral catheterization tube body 1 is placed in urethra, by 1 head end of urinary catheter ontology
Setting curved guide head is matched with urethra natural torsion, is conducive to catheter head end being smoothly placed in urethra, further be led
Urinary catheter ontology 1 is placed in urethra and bladder.
In order to reduce injury of tracheal intubation, curved guide head hardness is less than urethral catheterization tube body 1, and curved guide head surface is coated with superslide
Coating.Softer material, the surface of lubrication, the advantageous frictional force reduced when urethral catheterization tube body 1 is placed in urethra, to reduce urethral catheterization
To the frictionally damage on urethra surface when the merging urethra of tube body 1.Superslide coating should be selected with hydrophilic coating, can be with when intubation
The use for avoiding prior paraffin oil keeps catheter intubation easier, while avoiding paraffin oil to urethra pollution and carcinogenic work
With.
In short, the utility model can reduce catheter and set pipe in the curved guide head of 1 head end of urethral catheterization tube body setting lubrication
Damage；Setting sustained release dosing structure effectively can accurately implement local sustained release administration to prostate；Heating device can improve local temperature
Degree improves therapeutic effect, and structure is simple, securely and reliably.
Claims (4)
1. catheter is administered in a kind of prostate, it is characterized in that: including urethral catheterization tube body (1), urethral catheterization tube body (1) head end setting pressure
Power medicine storing bag (2) is being provided with sustained-release administration mouth (3) far from urethral catheterization tube body (1) head end side connection pressure medicine storing bag (2)；
The delivery tube (4) being connected to pressure medicine storing bag (2) is buried along urethral catheterization tube body (1) tube wall, delivery tube (4) goes out urethral catheterization tube body
(1) tube wall setting administration valve port (5).
2. catheter is administered in prostate according to claim 1, it is characterized in that: the urethral catheterization tube body (1) urethral catheterization chamber
(11) controllable heating seal wire (6) is buried in activity in, controllably heats the setting of seal wire (6) head end corresponding pressure medicine storing bag (2) position and adds
Hot head (61), heating seal wire (6) tail end go out catheter setting power supply unit and temperature controller.
3. catheter is administered in prostate according to claim 2, it is characterized in that: the temperature controller can control heating head
(61) temperature is lower than 45 °C.
4. catheter is administered in prostate according to claim 1, it is characterized in that: urinary catheter ontology (1) head end setting is curved
Bent seeker, curved guide head hardness are less than urethral catheterization tube body (1), and curved guide head surface is coated with superslide coating.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721123469.XU CN208372266U (en) | 2017-09-04 | 2017-09-04 | Catheter is administered in prostate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721123469.XU CN208372266U (en) | 2017-09-04 | 2017-09-04 | Catheter is administered in prostate |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208372266U true CN208372266U (en) | 2019-01-15 |
Family
ID=64978977
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721123469.XU Expired - Fee Related CN208372266U (en) | 2017-09-04 | 2017-09-04 | Catheter is administered in prostate |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208372266U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112169066A (en) * | 2020-10-29 | 2021-01-05 | 安徽省立医院(中国科学技术大学附属第一医院) | Continuous slow-release administration indwelling tube with controller |
| CN112244957A (en) * | 2020-10-29 | 2021-01-22 | 安徽省立医院(中国科学技术大学附属第一医院) | Continuous slow-release administration indwelling tube with puncture sheath |
-
2017
- 2017-09-04 CN CN201721123469.XU patent/CN208372266U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112169066A (en) * | 2020-10-29 | 2021-01-05 | 安徽省立医院(中国科学技术大学附属第一医院) | Continuous slow-release administration indwelling tube with controller |
| CN112244957A (en) * | 2020-10-29 | 2021-01-22 | 安徽省立医院(中国科学技术大学附属第一医院) | Continuous slow-release administration indwelling tube with puncture sheath |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190115 Termination date: 20190904 |