CN105381550A - Brachytherapy afterloading applicator for bladder and urethra tumors - Google Patents
Brachytherapy afterloading applicator for bladder and urethra tumors Download PDFInfo
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- CN105381550A CN105381550A CN201510765045.2A CN201510765045A CN105381550A CN 105381550 A CN105381550 A CN 105381550A CN 201510765045 A CN201510765045 A CN 201510765045A CN 105381550 A CN105381550 A CN 105381550A
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- urethra
- air flue
- duct road
- tumor
- drainage pipe
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Abstract
The present invention discloses a brachytherapy afterloading applicator for bladder and urethra tumors, comprising an application tube, an air passage and a drainage tube, wherein the outer wall at one side of the application tube is connected with the air passage which is in tight contact with the wall surface, corresponding to the air passage, the outer wall at the other side of the application tube is connected with the drainage tube which is in tight contact with the wall surface, the initial end of the air passage is provided with a self-closed inflation port, the tail end of the air passage is provided with a fixed air bag, the fixed air bag is communicated with the air passage, the fixed air bag wraps the application tube and the drainage tube but is not communicated with the application tube and the drainage tube, the initial end of the drainage tube is provided with a drainage bag interface, and the tail end of the drainage tube is provided with a drainage opening. The brachytherapy afterloading applicator of the present invention is simple in technical operation, has no need of anaesthesia, and is good in patient compliance; at the same time, the brachytherapy afterloading applicator is low in manufacturing cost, good in fixing effect, and is very suitable for clinic application.
Description
Technical field
The invention belongs to tumour radiotherapy instrument field, be specifically related to a kind of bladder and tumor of urethra closely rear source applicator.
Background technology
At present, along with the development of tumour radiotherapy technology, closely Afterloading radiotherapy starts to be widely used among the treatment of malignant tumor.The special patients with terminal that cannot carry out operative treatment for some, radiotherapy is its most effective treatment means, and closely Afterloading radiotherapy plays very important effect in whole therapeutic process.But for the tumor of some specific paries as bladder cancer, carcinoma of urethra etc., the closely apparatus for wave-energy source that present stage is not comparatively applicable to.Present stage is for closely after-loading therapy many employings tissue space implantation closely afterloading technique of these diseases.The shortcoming of existing clinical technology: clinical manipulation is loaded down with trivial details, technical risk is large, for there being invasive manipulation in interventional implantation process, carries out under generally needing to adopt narcotism.Be easy to cause the clinical Accessory injury such as patient's vesical perforation or urethra perforation in tissue space implantation pin implantation process.For tumor patient, also can bring very large wound and mental pressure, the doctor of patient is reduced greatly from property.Simultaneously inaccurate transplanting position may cause the not enough or normal structure excess of the therapeutic dose that gives, thus cause tumor to control failure or side reaction serious.
Therefore, be badly in need of a kind of easy and simple to handle, safe, practical bladder and tumor of urethra closely rear source applicator, great clinical value will be had.
Summary of the invention
The object of the present invention is to provide a kind of simple to operate, non-invasive, after treatment, little, economical and practical, the patient doctor of side reaction is from the bladder of the features such as property is good and tumor of urethra closely rear source applicator.
The present invention realizes especially by following technical scheme:
A kind of bladder and tumor of urethra are rear source applicator closely, comprise supply radiator duct road, air flue and drainage pipe, the side outer wall in described supply radiator duct road is close to wall and is connected with air flue, the opposite side outer wall in the supply radiator duct road corresponding with air flue is close to wall and is connected with drainage pipe, the top of described air flue is provided with self-enclosed inflation inlet, the end of air flue is provided with fixation balloon, described fixation balloon is communicated with air flue, described fixation balloon parcel supply radiator duct road is with drainage pipe but be not communicated with, the top of described drainage pipe is provided with drainage bag interface, the end of drainage pipe offers draining hole.
Described supply radiator duct road length is greater than drainage pipe and is greater than air flue, and supply radiator duct road is medical PU material, endcapped, and top is open, and corresponding size can be mated according to dissimilar closely afterloading unit in aperture, is generally 6F and 4F two kinds of sizes.
Described draining hole is opened in distance drainage pipe end 0.5cm place, and draining hole is connected with drainage bag interface by drainage pipe.
Described fixation balloon is positioned at the position near supply radiator duct road end, and fixation balloon is communicated with self-enclosed inflation inlet by air flue.
Described supply radiator duct road, air flue and drainage pipe are an entirety.
Apparatus for wave-energy source end and fixation balloon in use, are first all implanted intravesical by apparatus of the present invention, squeeze into air by self-enclosed inflation inlet, after fixation balloon inflation is heaved, are pulled back by apparatus for wave-energy source, make air bag be fixed on vesicourethral porch; After fixation balloon is fixing, whole apparatus for wave-energy source is implanted complete, opens switch on drainage bag, after intravesical urine all being drawn, is connected at top, supply radiator duct road with Interstitial Brachyradiotherapy, and implements treatment by supply radiator duct road.
Beneficial effect of the present invention is: bladder of the present invention and tumor of urethra are rear source applicator closely, a kind of AT closely rear source applicator is provided for clinical, in whole apparatus for wave-energy source implantation process, patient does not need anesthesia, technical operation is simple, avoid the Accessory injury caused by complex operations, patient doctor is good from property.This apparatus for wave-energy source is implanted by the urethra of patient and is fixed to intravesical, and it plays drainage of urine simultaneously, and the effect of oncotherapy.In tumor therapeutic procedure, because apparatus for wave-energy source is in urethra and tumor of bladder, at increase tumor dosimetry simultaneously, the radiological dose of normal organ can be reduced, greatly reduces the clinical secondary side reaction caused because for the treatment of.And the cost of manufacture of whole apparatus for wave-energy source is low, good fixing effect, be very applicable to clinical practice.
Accompanying drawing explanation
Fig. 1 is the structural representation of apparatus for wave-energy source of the present invention.
Indicate in accompanying drawing and illustrate: 1 supply radiator duct road, 2 air flues, 3 drainage pipes, 4 self-enclosed inflation inlets, 5 fixation balloons, 6 draining holes, 7 drainage bag interfaces.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, explanation is further explained to source applicator after the present invention closely.
As shown in Figure 1, this bladder and tumor of urethra closely rear source applicator are a medical grade rubber and PU coalition, comprise supply radiator duct road 1, air flue 2 and drainage pipe 3, the side outer wall in supply radiator duct road 1 is close to wall and is connected with air flue 2, and the opposite side outer wall in the supply radiator duct road 1 corresponding with air flue 2 is close to wall and is connected with drainage pipe 3.
Wherein supply radiator duct road 1 is medical PU material, and be the supply radiator duct of special closely afterloading unit coupling, road top closure, tail end is open, and pipe range 28cm, corresponding size can be mated according to dissimilar closely afterloading unit in aperture, is generally 6F and 4F two kinds of sizes.
The top of air flue 2 is provided with self-enclosed inflation inlet 4, and end is provided with fixation balloon 5, air flue 2 overall length 22cm, and fixation balloon 5 diameter 2cm, fixation balloon 5 is communicated with self-enclosed inflation inlet 4 by air flue 2.Air flue 2, self-enclosed inflation inlet 4 are medical grade rubber material with fixation balloon 5.
The long 20cm of drainage pipe 3, diameter 2cm, distance drainage pipe 3 end 0.5cm place offers draining hole 6, the long 0.5cm in draining hole 6 hole, the top of drainage pipe 3 is provided with drainage bag interface 7, the long 5cm of drainage bag interface 7, diameter 1cm, wall thickness 0.2cm, be medical grade rubber material.
Wherein, fixation balloon 5 wraps up supply radiator duct road 1 with drainage pipe 3 and is not communicated with.
Bladder of the present invention and tumor of urethra are rear source applicator closely, in clinical practice, for tumor of urethra patient, makes it lie on rear dress operating board, in calculi position.Patient's urethra perimeter is carried out disinfection.First medical drainage bag is connected on the drainage bag interface of apparatus for wave-energy source, closes switch on drainage bag.Then apparatus for wave-energy source is implanted by urethral orifice.Can at apparatus for wave-energy source surface smear paraffin oil to arrive lubrication object for convenience of implanting.After apparatus for wave-energy source pipe end and fixation balloon all implant bladder, operator's application standard 10ml medical injection squeezes into air 5 ~ 7ml by self-enclosed inflation inlet.After fixation balloon inflation is heaved, apparatus for wave-energy source is pulled back, makes fixation balloon be fixed on vesicourethral porch.After fixation balloon is fixing, whole apparatus for wave-energy source is implanted complete, opens switch on drainage bag, intravesical urine is all drawn.After whole implantation process completes, just can pass through simulator locating, planned, after formulating treatment plan confirmation, apparatus for wave-energy source apparatus for wave-energy source pipeline is connected with Interstitial Brachyradiotherapy, and implement treatment by supply radiator duct.
The bladder of the application of the invention and tumor of urethra are rear source applicator closely, can carry out non-invasive operation to bladder and tumor of urethra patient.Whole implantation process is simple, convenient, fast.This apparatus for wave-energy source is owing to directly implanting urethra, and tightly near tumor, the radiological dose that tumor is accepted is higher, and the dosage that normal organ is subject to is lower, effectively raises the treatment ratio of gains.Meanwhile, what this apparatus for wave-energy source was selected is medical grade rubber and PU material, and the price of whole apparatus for wave-energy source is lower, does not need anesthesia, can greatly reduce medical expense during implantation.
The above embodiment is only further illustrate of the present invention; not other forms of restriction is done to the present invention; the present invention also can have other various embodiments; when not deviating from the present invention's spirit and essence thereof; those of ordinary skill in the art can make various corresponding change and distortion according to the present invention, but these change accordingly and are out of shape the protection domain that all should belong to the claims in the present invention.
Claims (6)
1. a bladder and tumor of urethra closely rear source applicator, it is characterized in that, comprise supply radiator duct road (1), air flue (2) and drainage pipe (3), the side outer wall in described supply radiator duct road (1) is close to wall and is connected with air flue (2), the opposite side outer wall in the supply radiator duct road (1) corresponding with air flue (2) is close to wall and is connected with drainage pipe (3), the top of described air flue (2) is provided with self-enclosed inflation inlet (4), the end of air flue (2) is provided with fixation balloon (5), described fixation balloon (5) is communicated with air flue (2), described fixation balloon (5) parcel supply radiator duct road (1) is with drainage pipe (3) but be not communicated with, the top of described drainage pipe (3) is provided with drainage bag interface (7), the end of drainage pipe (3) offers draining hole (6).
2. a kind of bladder according to claim 1 and tumor of urethra closely rear source applicator, it is characterized in that, described supply radiator duct road (1) length is greater than drainage pipe (3) and is greater than air flue (2).
3. a kind of bladder according to claim 2 and tumor of urethra closely rear source applicator, it is characterized in that, described supply radiator duct road (1) is medical PU material, endcapped, and top is open.
4. a kind of bladder according to claim 1 and tumor of urethra closely rear source applicator, it is characterized in that, described draining hole (6) is opened in distance drainage pipe (3) end 0.5cm place, and draining hole (6) is connected with drainage bag interface (7) by drainage pipe (3).
5. a kind of bladder according to claim 1 and tumor of urethra closely rear source applicator, it is characterized in that, described fixation balloon (5) is positioned at the position near supply radiator duct road (1) end, and fixation balloon (5) is communicated with self-enclosed inflation inlet (4) by air flue (2).
6. a kind of bladder according to claim 1 and tumor of urethra closely rear source applicator, it is characterized in that, described closely rear source applicator in use, first apparatus for wave-energy source end and fixation balloon (5) are all implanted intravesical, air is squeezed into by self-enclosed inflation inlet (4), after fixation balloon (5) inflation is heaved, apparatus for wave-energy source is pulled back, makes air bag be fixed on vesicourethral porch; After fixation balloon (5) is fixing, whole apparatus for wave-energy source is implanted complete, open switch on drainage bag, after intravesical urine is all drawn, supply radiator duct road (1) top is connected with Interstitial Brachyradiotherapy, and implements treatment by supply radiator duct road.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510765045.2A CN105381550A (en) | 2015-11-11 | 2015-11-11 | Brachytherapy afterloading applicator for bladder and urethra tumors |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510765045.2A CN105381550A (en) | 2015-11-11 | 2015-11-11 | Brachytherapy afterloading applicator for bladder and urethra tumors |
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| CN105381550A true CN105381550A (en) | 2016-03-09 |
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| CN201510765045.2A Pending CN105381550A (en) | 2015-11-11 | 2015-11-11 | Brachytherapy afterloading applicator for bladder and urethra tumors |
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Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20010003798A1 (en) * | 1998-02-11 | 2001-06-14 | Phyllis K. Kristal | Balloon catheter for intra-urethral radio-frequency urethral enlargement |
| US20040225216A1 (en) * | 2003-05-10 | 2004-11-11 | Zappala Stephen M. | Urethral identification system and method of identifying a patient's urethral anatomic course in real time for the precise placement of a prostate treatment element |
| US20050101824A1 (en) * | 2003-11-07 | 2005-05-12 | Proxima Therapeutics, Inc. | Implantable radiotherapy/brachytherapy radiation detecting apparatus and methods |
| US20060116546A1 (en) * | 2004-10-04 | 2006-06-01 | Eng Tony Y | System and method for high dose rate radiation intracavitary brachytherapy |
| CN101143240A (en) * | 2006-09-11 | 2008-03-19 | 中国人民解放军第三军医大学第三附属医院 | After-loading radiotherapy applicator in rectum and vaginal cavity |
| US20100069878A1 (en) * | 2007-04-10 | 2010-03-18 | The University Of Toledo | Intracavitary Radiation System |
| US20110224538A1 (en) * | 2006-07-13 | 2011-09-15 | Luis Linares | Echo-Opaque Catheter and method of use |
| US20120022314A1 (en) * | 2010-07-21 | 2012-01-26 | Cianna Medical, Inc. | Brachytherapy apparatus, systems, and methods for using them |
| CN205084238U (en) * | 2015-11-11 | 2016-03-16 | 吉林大学 | Bladder and tumor of urethra adorn shi yuanqi after closely |
-
2015
- 2015-11-11 CN CN201510765045.2A patent/CN105381550A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20010003798A1 (en) * | 1998-02-11 | 2001-06-14 | Phyllis K. Kristal | Balloon catheter for intra-urethral radio-frequency urethral enlargement |
| US20040225216A1 (en) * | 2003-05-10 | 2004-11-11 | Zappala Stephen M. | Urethral identification system and method of identifying a patient's urethral anatomic course in real time for the precise placement of a prostate treatment element |
| US20050101824A1 (en) * | 2003-11-07 | 2005-05-12 | Proxima Therapeutics, Inc. | Implantable radiotherapy/brachytherapy radiation detecting apparatus and methods |
| US20060116546A1 (en) * | 2004-10-04 | 2006-06-01 | Eng Tony Y | System and method for high dose rate radiation intracavitary brachytherapy |
| US20110224538A1 (en) * | 2006-07-13 | 2011-09-15 | Luis Linares | Echo-Opaque Catheter and method of use |
| CN101143240A (en) * | 2006-09-11 | 2008-03-19 | 中国人民解放军第三军医大学第三附属医院 | After-loading radiotherapy applicator in rectum and vaginal cavity |
| US20100069878A1 (en) * | 2007-04-10 | 2010-03-18 | The University Of Toledo | Intracavitary Radiation System |
| US20120022314A1 (en) * | 2010-07-21 | 2012-01-26 | Cianna Medical, Inc. | Brachytherapy apparatus, systems, and methods for using them |
| CN205084238U (en) * | 2015-11-11 | 2016-03-16 | 吉林大学 | Bladder and tumor of urethra adorn shi yuanqi after closely |
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Application publication date: 20160309 |