CN2529660Y

CN2529660Y - Surface medicine feeding urinary catheter

Info

Publication number: CN2529660Y
Application number: CN 02224606
Authority: CN
Inventors: 吴志新; 孙羿; 陈菁华
Original assignee: Individual
Current assignee: Individual
Priority date: 2002-03-12
Filing date: 2002-03-12
Publication date: 2003-01-08
Anticipated expiration: 2012-03-12

Abstract

The utility model relates to a surface medicine feeding urinary catheter. The utility model has the purpose that the surface medicine feeding urinary catheter can be applied to add different medicine in order to exert the functions of stopping bleeding, accelerate the concrescence of the wound surface, etc. after the prostatectomy. The surface medicine feeding urinary catheter partially treats the urgent uroschesis caused by the hyperplasia of prostate, and partially applies the bacteriophage to treat the prostatitis. The surface medicine feeding urinary catheter is mainly formed by the way that the lower part of an air chamber urinary catheter is provided with a section of a sponge medicine adding zone added with different medicine according to different diseases in use. (2), and a section of a hole slot medicine adding zone added with different medicine to make into a finished product before leaving the factory, wherein the hole slot medicine adding zone can be directly applied in the clinical work. The utility model has advantages that the density of partial medicine is raised, the medicine adding zone contacts the prostatic part of the urethra directly; different medicines in the medicine adding zone can carry out the pertinence therapy to different diseases of prostate directly, and the efficiency of machine is increased.

Description

The catheter of surface dosing

This utility model relates to a kind of catheter, specially refers to the catheter of surperficial dosing.

In technical background, the catheter of Ying Yonging (two cavates or three-chamber Foley catheter) is mainly used in urethral catheterization and bladder irrigation clinically.Because the effect of clinical confirmation intracavitary therapy prostatic hyperplasia certainly, in the operative treatment of prostatic hyperplasia, intracavitary therapy means such as resection of prostate, vaporization are extensively approved and are widely applied at present.But because surgical wound surface is positioned at urethra and neck of bladder place, local hemostasis and medicinal application are all inconvenient.Using traditional method is the treatment of continuous bladder irrigation associating systemic drug, and traction balloon tamponade hemostatic method is big to the misery that the patient causes, and the part causes ischemic necrosis easily, makes the state of an illness complicated, and prognosis is not good enough.The treatment of chronic prostatitis is a global difficult problem, and one of the main reasons is that the local drug concentration of Drug therapy is low, can not kill the antibacterial in affected part.And causing that at prostatic hyperplasia the application except catheter also needs whole body to use α 1 receptor blocking agent in the therapeutic process of acute urinary retention, onset is slow, also may cause side effect.Facts have proved that simultaneously mucous membrane of urethra has absorption function (as: injection PGE1 treatment ED in the urethra).

The purpose of this utility model is a kind of catheter that can add medicine on the catheter surface of development, be the catheter of surperficial dosing,, add corresponding medicine on the catheter surface at different state of an illness different needs, directly act on the affected part, overcome the shortcoming in the above-mentioned background technology.Mainly be to add haemostatic medicament at the prostatectomy postoperative to promote local hemostasis, add epidermal growth factor and can promote wound healing.The acute urinary retention that causes for prostatic hyperplasia adds the α 1 receptor blocking agent local smooth muscle that can relax rapidly and reaches the effect of alleviation acute urinary retention.When the treatment prostatitis, can add antibiotics, make the local drug concentration height.Can also in diseases such as the fracture of treatment male urethra, female bladder neck posterior lip increase, bring into play the effect of hemostasis and promotion wound healing in addition.

Technical solution of the present utility model is as follows:

The catheter of surface dosing, catheter is made up of pipe 1 and silica gel leather hose 9 in the rubber, urethral catheterization lumen 4 and air bag tube chamber 5 are arranged in the catheter, catheter head urethral catheterization opening communicates with urethral catheterization lumen 4, square ring type air bag 3 communicates with air bag tube chamber 5 under the catheter urethral catheterization opening, it is characterized in that: there is dosing district 2 on the top layer of catheter air bag 3 belows.

Technical solution of the present utility model also comprises: place the sponge 10 that has medicine in the ring-like dosing district, top layer of catheter air bag 3 belows 2, the outer surface of sponge 10 is coated with anti barrier film 7 with holes, and the interior dosing conduit 6 of dosing district 2 and catheter communicates.

There is the hole-and-slot dosing district 2 that can add medicine on the top layer of catheter air bag below, and dosing district 2 ring-like outer surfaces are coated with water solublity glued membrane 8.The tail end that has the dosing conduit connects standard antireflux syringe interface.

Advantage of the present utility model and effect are as follows:

1. owing to adopt, make the Therapeutic Method of prostatosis more wide in making dosing district, catheter top layer

General and direct, can under no wound condition, directly give Drug therapy to the prostate part.

2. the dosing conduit that communicates with sponge dosing district can be when keeping the bladder irrigation function, timesharing or

Continue medication or give different pharmaceutical according to the different state of an illness.

3. because topical, the wound repair that makes the treatment of prostatosis and prostate excision postoperative more

For fast and direct, have better effect aspect, the infection hemorrhage in prevention of postoperative.

4. high doubly a lot of when local drug concentration is than the whole body administration when the treatment chronic prostatitis, overcome

The shortcoming that local drug concentration is low in the prostatitis anti-infective therapy, duration of efficacy is short.

5. this utility model is easy to use, can alleviate clinician and nurse's workload.

Description of drawings of the present utility model is as follows:

Fig. 1 is the enlarged diagram that A-A cuts open among Fig. 2, and the front view of a kind of integral head structure that Fig. 2 is also is the sketch map that dwindles that the B-B rotation is cutd open among Fig. 1.Fig. 3 is that C-C cuts open enlarged diagram among Fig. 4, and Fig. 4 is the front view of second kind of integral head structure, also is the sketch map that dwindles that the D-D rotation is cutd open among Fig. 3.Fig. 5 is first kind of structure external form sketch map, and Fig. 6 is the external form sketch map of second kind of structure.Sign is described as follows among the above-mentioned figure: 1-catheter, 2-dosing district, 3-air bag, 4-urethral catheterization lumen, 5-air bag tube chamber, 6-dosing conduit, 7-anti barrier film with holes, 8-water solublity glued membrane, 9-silica gel leather hose, 10-sponge, 11-antireflux standard syringe interface.

Following adjoint is done further to comment: referring to Fig. 1, Fig. 2, make the sponge dosing district 2 in dosing district below the balloon segment 3 of ordinary urethral catheter, and have sponge dosing district's dosing conduit 6 to lead to the catheter end, this is one of this utility model essential characteristics.Ring-like sponge dosing district 2, longitudinal length 35mm, top layer such as Fig. 1 around air bag 3 below catheters, thickness 0.2-0.5mm, surface coverage anti barrier film 7 with holes is as " Flexibi fabric bandages " inner surface structure (annotate: " Flexibi fabric bandages " and " Bandaid " is the product and the registered trade mark of Shanghai Johson ﹠ Johnson).To prevent urethra prostate region wound surface and sponge adhesion; Simultaneously can keep the catheter smooth surface, the resistance when reducing catheter by urethra, sponge dosing district's dosing conduit 6, one end openings are in the sponge bottom, and the other end is opened on the catheter afterbody and is made as antireflux standard syringe interface 11, sees shown in Figure 5.In the clinical practice, after air bag 3 fills, the catheter fixed-site, the dosing district is positioned at urethra prostate section, injects liquid drugs from external by sponge dosing district's dosing conduit 6 according to state of an illness needs, for example adds haemostatic medicament, antibiotic, epidermal growth factor etc.Administration at times, multiple dosing also can connect mechanical automatic injector and continue medication.Thereby guarantee the partial drug level of prostate, and can select different pharmaceutical to do the specific aim treatment in the different phase of the state of an illness.It is shown in Figure 5 that this catheter requires to be made into four chamber urethral catheterization my humble opinions, do not influence bladder irrigation in topical medications.Referring to Fig. 3, Fig. 4, this is second kind of structure, and air bag 3 belows of common Foley catheter make a groove dosing district 2, dosing district and are hole-and-slot, and this is two of an essential characteristics of the present utility model, groove dosing district 2, longitudinal length 35mm.23 garden cylindrical recesses of surface uniform distribution, depth of groove 0.2-0.5mm, diameter 1.0-1.5mm.Can be in advance add different pharmaceutical as α 1 receptor blocking agent, hemorrhage, epidermal growth factor, antibiotic etc. in groove, the surface covers with water-soluble glue film 8, has both guaranteed that medicine do not lose, and guarantees the catheter smooth surface again, and is smooth when inserting urethra.In the clinical practice, select the catheter of different therapeutical effect for use, after air bag is full according to the different state of an illness, the catheter fixed-site, dosing district 2 is positioned at urethra prostate section, and groove surfaces water solublity glued membrane 8 is met water dissolution, and the drug slow dissolving release action in the groove is in the affected part.Owing to adopt on the catheter top layer and make the dosing district, make the auxiliary therapy of prostatectomy postoperative more direct and rapid, healing speed is fast, reduces hemorrhage.The conduit that communicates with sponge dosing district can be when keeping the bladder irrigation function, timesharing or continue medication or give different pharmaceutical according to the different state of an illness.In the therapeutic process of chronic prostatitis, make local drug concentration high doubly more a lot of than whole body administration, treatment can be rapider.

Claims

1. the catheter of surperficial dosing, catheter is made up of pipe (1) and silica gel leather hose (9) in the rubber, urethral catheterization lumen (4) and air bag tube chamber (5) are arranged in the catheter, catheter head urethral catheterization opening communicates with urethral catheterization lumen (4), the catheter urethral catheterization opening ring-like air bag of nearly tail side (3) communicates with air bag tube chamber (5), it is characterized in that there is dosing district (2) on the top layer of the nearly tail side of catheter air bag (3).

2. according to the catheter of claims 1 described surperficial dosing, it is characterized in that: place the sponge (10) that has medicine in the ring-like dosing district, top layer (2) of the nearly tail side of catheter air bag (3), the outer surface of sponge (10) is coated with anti barrier film with holes (7), and the dosing conduit (6) in dosing district (2) and the catheter communicates.

3. according to the catheter of claims 1 described surperficial dosing, it is characterized in that: there is the hole-and-slot dosing district (2) that can add medicine on the top layer of the nearly tail side of catheter air bag (3), and the ring-like outer surface in dosing district (2) is coated with water solublity glued membrane (8).

4. according to the catheter of claims 2 described surperficial dosings, it is characterized in that: the tail end that has dosing conduit (6) connects standard antireflux syringe interface (11).