CN1432419A

CN1432419A - Medium energy gamma ray and far infrared prostate hyperplasia diagnosing and treating instrument

Info

Publication number: CN1432419A
Application number: CN 02100702
Authority: CN
Inventors: 高晓达
Original assignee: Individual
Current assignee: Individual
Priority date: 2002-01-18
Filing date: 2002-01-18
Publication date: 2003-07-30

Abstract

The medium energy gamma ray and far infrared prostate hyperplasia diagnosing and treating instrument includes one self-shielding medium energy gamma ray and far infrared source, one cylindrical shield body, one rack for fixing the shield body, one in-situ gamma ray diagnosing detector, one movable treating bed and one additional outer irradiating treatment shield body. Medium energy gamma ray and far infrared strong penetrating power are used, and this reduces the damage to shallow health tissue by at least 30 times while raising obviously the dosage absorbed by disease focus and results in high curative rate. The present invention can be used for performing simultaneous diagnosis and inner or external irradiation treatment.

Description

Middle energy γ and far infrared prostate hypertrophy inline diagnosis therapeutic instrument

The invention belongs to medical instruments field, specifically, relate in a kind of usefulness and can γ to treat the therapeutic instrument of hyperplasia of prostate with the online Zhen Duan of far ir ray And.

The early 1990s, people begin application of radiation therapy for treating prostatic hyperplasia, and this is a kind of effective physiotherapy.Publish one piece Chinese magazine of urology surgery 1991 12 on the 2nd phase of volume and be entitled as the article of " strontium-yttrium extracorporeal irradiation treatment hyperplasia of prostate ", disclose a kind of skin applicator that utilizes strontium-yttrium radiator beta-ray in the literary composition, sticked on the perineal skin surface.Once a day, each 250～300cGY (centigray), 10 is a course of treatment, and total radiation dose is 2500～3000cGY, and effective percentage reaches 91.2%.The weak point of this method is that the distance that human body is shone can cause the long position skin injury Zi sticking the position to prostate; Particularly shine from testis very near, can causing property organ pipe damage, influence sexual function.At one piece of application number is to be in the Chinese patent application of 93.06.29 93107523.8 dates of application, discloses a kind of prostatic hyperplasia therapeutic instrument, also is to utilize strontium-yttrium radiator beta-ray.This invention is than the former superior part: the former is close to human body perineal skin irradiation is improved to by patient's rectum front wall and shines, shortened radioactive source significantly to prostatic distance, improve the absorbed dose of lesions position, reduced the local skin damage.The method adopts ADT once, each 200～400cGY, and five times is a course of treatment, and accumulated dose is 1000～2000cGY, and the treatment effective percentage reaches more than 95%.

The major defect and the weak point of above-mentioned two kinds of strontiums-yttrium radiator beta-ray treatment prostatic hyperplasia are that Beta-ray range is too short, and Beta-ray maximum range has only 11mm.Thereby the absorbed dose of shallow surface texture are too high; The absorbed dose of deep lesions position are too low.By the equivalent absorbed dose curve chart of the β ray of the strontium of enumerating in the prostatic hyperplasia therapeutic instrument operation instructions-yttrium radioactive source as can be known, 5mm up to 99%, and only accounts for 1% greater than the absorbed dose of the deep lesions position more than the 5mm with interior superficial tissue absorbed dose.The absorbed dose that superficial tissue is described than deep height nearly a hundred times.Described in 93107523.8 patent application specifications, under the condition of total irradiation dose 2000cGY, 5 absorbed dose to the 11mm lesions position only are 20cGY.Bring the problem of three aspects thus, one is that 99% dosage is that rectum absorbs, and shallow table health tissues is brought unnecessary radiation damage, causes the obviously negative side effect of poison such as intestinal wall redness; The 2nd, only there is 1% dosage to be absorbed by 5 to 11mm lesions positions, the dosage of lesions position is too low, has directly influenced curative effect, and relapse rate is very high; The 3rd, the body of prostate diameter is generally 30 to 50mm, thereby the shallow-layer of the close rectum 6mm of focus, can obtain low dose irradiation, the major part of opposite side 6 to 50mm can not get irradiation at all, can not treat the middle lobe hyperplasia in prostate deep, reduce the effective range of treatment widely.In addition, therapeutic process is fully by manual operation, and the irradiation damage of medical personnel's long-term accumulation be can not be ignored.Moreover, owing to lack on-line monitoring, be difficult to guarantee the localized accuracy of irradiation.

The objective of the invention is to overcome the weak point of above-mentioned two kinds of therapeutic schemes, strong middle energy γ of a kind of penetrance and the online Zhen Duan of far ir ray And treatment hyperplasia of prostate are provided, reduce radiation damage greatly, significantly improve the safety of treatment shallow table health tissues; Significantly improve the relative absorbed dose of deep lesions position simultaneously, the effectiveness of raising treatment; Guarantee the full-automatic remote-controlled treatment of the localized on-line monitoring of irradiation accurately, reduce irradiation Injury evil medical personnel; Can γ and far infrared prostate hypertrophy inline diagnosis therapeutic instrument in being called.

Purpose of the present invention can be implemented by following technical scheme.

Can γ in a kind of and far infrared prostate hypertrophy inline diagnosis therapeutic instrument, it comprise in the self-shileding can γ with far ir ray source (1), one can be connected on shield (6), one that above-mentioned cylindrical shape shields body (2) front end in order to the support (3) of fixing above-mentioned shield (2), an online gamma-rays diagnostor (4) and one therapeutic bed (5) movably in order to the cylindrical shape shielding body (2) that shields described source (1), one.It is characterized in that in the described self-shileding can γ and the formation of far ir ray source (1), be that inwall at one section tungsten pipe (7) is glued with in the caesium-137 can gamma ray radiator (8), the end at described tungsten pipe (7) is wound with the high frequency coil (9) that produces far infrared again.Can directly replace by gamma ray radiator (8) in the described caesium-137 for iridium-192 γYuan or other γYuan.Open one 60 °～120 ° window (10) on the outer field described tungsten pipe (7) of energy γ and far ir ray source (1) in the described self-shileding.Each seals two ends with the thick tungsten piece (11) of 15mm～20mm, (12), and wherein the exposed junction of the described sealing tungsten piece (11) of an end is sphere shape, and the described sealing tungsten piece (12) of the other end is cylindrical.The other end of the cylindrical seal tungsten piece (12) of described tungsten pipe (7) links to each other with a plastic handle (13).Energy γ and far ir ray source (1) are installed in the cylindrical shape shielding body (2) in the described self-shileding, make described source (1) move horizontally and to rotate with respect to described shield (2), and may be locked on the described shield (2).Described gamma-rays diagnostor (4) is transmitted to external gamma-rays when directly receiving treatment, and machine imaging as calculated shows the prostate size.Described support (3) can be gone up at described therapeutic bed (5) and move the height of support (3) and the equal scalable of angle direction.

During treatment, the window (10) on the described tungsten pipe is aimed at lesions position, middle energy γ and far ir ray that penetration power is strong can penetrate from window, and directly aim at lesions position and make internal-radiation therapy, and other direction conductively-closed; Also can shield body (2) front end and connect additional mask body (6), aim at lesions position and make external radiotherapy in cylindrical shape.

The present invention program's advantage is: the one, significantly improve the safety of treatment, adopt the strong middle energy γ of penetration power directly aim at the lesions position irradiation with far ir ray, because be penetrated into the dosage in deep has improved nearly a hundred times than β ray, the top layer absorbed dose of total irradiation dose 2000～4000cGY are reduced to 60～120cGY, lowered more than the thirtyfold, make each absorbed dose ease down to the level that is equivalent to fluoroscopy of chest, thoroughly eliminated existing beta ray therapy and caused the serious negative side effect of poison such as intestinal wall redness, guaranteed safe and reliable; The 2nd, significantly improve cure rate, owing to overcome employing strontium-yttrium β source according to not saturating shortcoming, make the relative absorbed dose of deep lesions position rise to 50% by 1%, improved about 50 times, result by clinical observation shows that cure rate is brought up to more than 80% by 40% of prior art; The 3rd, the inline diagnosis device is housed, can accurately locate ， And correction treatment scheme in time, understand therapeutic effect; The 4th, far infrared not only has the gamma-ray curative effect of energy in the antiinflammation ， And enhancing; The 5th, remote-controlled source (1) enters or withdraws from therapeutic process, makes medical personnel away from penetrating the source, has significantly reduced the absorption of radiation dose; The 6th, convenient operation, simple and practical.

Accompanying drawing drawing of the present invention is described as follows:

Can γ and far infrared prostate hypertrophy inline diagnosis therapeutic instrument sketch map among Fig. 1

Can γ and far ir ray source profile in Fig. 2 self-shileding

The present invention is described in further detail embodiment below in conjunction with accompanying drawing:

Can γ among Fig. 1 and far infrared prostate hypertrophy inline diagnosis therapeutic instrument sketch map, comprising as the lower part:

Can γ and far ir ray source in 1-self-shileding

2-cylindrical shape shielding body

3-support

4-online gamma-rays diagnostic processor

5-therapeutic bed

6-additional mask body

Can γ and far ir ray source profile in Fig. 2 self-shileding

7-tungsten pipe

Can gamma ray radiator in 8-caesium-137

The high frequency coil of 9-generation far infrared

10-window

11-tungsten piece

12-tungsten piece

13-handle

Fig. 2 is that the wall thickness of described tungsten pipe 7 is 6 millimeters, and the exposed junction of the described sealing tungsten piece 11 of an end of described tungsten pipe 7 is sphere shape, and its thickness is 20 millimeters, and the described sealing tungsten piece 12 of the other end is cylindrical, and its maximum ga(u)ge is 20 millimeters.One side of described tungsten pipe 7 has one 120 ° window 10.The inwall of tungsten pipe 7 posts energy gamma ray radiator 8 in the described caesium-137, middle can the ejaculation by 120 ° described window 10 places by γ She Line.The middle energy γ She Line that penetrates is aimed at the focus direction carry out radiation therapy, the middle of other direction can be subjected to described tungsten pipe 7 by γ She Line, the shielding of described sealing

tungsten piece

11,12, and protection surrounding health tissue avoids radiation damage.When replacing with iridium-192 gamma ray projector in the caesium-137 can gamma ray radiator 8 time, the thickness in the described tungsten pipe 7 are 11 millimeters.Described tungsten pipe 7 and sealing

tungsten piece

11,12 play reflection and shielding action.

Among Fig. 1, during the treatment beginning, the patient bends knee and lies on one's side on described therapeutic bed 5.Produce high frequency coil 9 energisings of far infrared, the medical worker takes out the stainless steel outer sleeve pipe that front end has window, puts disposable rubber sleeve, is coated with lubricant vaseline outward, and its per anum is inserted rectum, and makes the front end window aim at body of prostate.Move described support 3, and levelling height, make in the self-shileding and can dock with trocar sheath with far ir ray source 1 by γ, manually energy γ and far ir ray source 1 in the described self-shileding are released from described cylindrical shape shielding body 2 again, up to the radiation treatment position that reaches trocar sheath.Energy γ and far ir ray source 1 are transmitted to external gamma-rays through body of prostate in the described detector 4 supervision self-shiledings, guarantee irradiated site accurately and reliably.When the treatment time of setting arrives, by described detector 4 online remote controls, make in the described self-shileding can γ and far ir ray source 1 return to automatically in the described shield 2, the medical worker takes out trocar sheath, finishes treatment.During external radiotherapy, the medical worker takes out the additional mask body 6 that front end has window and is connected on cylindrical shape shielding body (2) front end, and make the front end window aim at body of prostate, move described support 3, and levelling height, manually energy γ and far ir ray source 1 in the described self-shileding are released from described cylindrical shape shielding body 2 again, up to the radiation treatment position that reaches additional mask body 6.Energy γ and far ir ray source 1 are transmitted to external gamma-rays through body of prostate in the described detector 4 supervision self-shiledings, guarantee irradiated site accurately and reliably.When the treatment time of setting arrives, by described detector 4 online remote controls, make in the described self-shileding can γ and far ir ray source 1 return to automatically in the described shield 2, the medical worker takes out additional mask body 6, finishes treatment.Because in whole therapeutic process, energy γ and far ir ray source 1 always are in the described shield 2 in the self-shileding, the medical worker can avoid radiation injury.

In sum, middle energy γ of the present invention and far infrared prostate hypertrophy inline diagnosis therapeutic instrument were both simple in structure, economical, and safely, effectively, price is far below the radiotherapy apparatus of controlling cancer again.Self close rate is low, and self-shileding fully is placed in the general room and can uses, and environment without any specific (special) requirements, thereby is convenient to penetration and promotion.

Claims

1, can γ and far infrared prostate hypertrophy inline diagnosis therapeutic instrument in a kind of, it comprise in one can γ with far ir ray source (1), one can be connected on shield (6), one that above-mentioned cylindrical shape shields body (2) front end in order to the support (3) of fixing above-mentioned shield (2), an online gamma-rays diagnostor (4) and one therapeutic bed (5) movably in order to the cylindrical shape shielding body (2) that shields described source (1), one.

2, middle energy γ according to claim 1 and far infrared prostate hypertrophy inline diagnosis therapeutic instrument, the formation that it is characterized in that described middle energy γ and far ir ray source (1), be that inwall at one section tungsten pipe (7) is glued with in the caesium-137 can gamma ray radiator (8), the end described tungsten pipe (7) in is wound with the high frequency coil (9) of generation far infrared again.

3, middle energy γ according to claim 1 and 2 and far infrared prostate hypertrophy inline diagnosis therapeutic instrument is characterized in that can directly replacing for iridium-192 γYuan or other γYuan by gamma ray radiator (8) in the described caesium-137.

4, according to claim 1 and 2 middle can γ and far infrared prostate hypertrophy inline diagnosis therapeutic instrument, it is characterized in that opening one 60 °～120 ° window (10) on the outer field described tungsten pipe (7) of described middle energy γ and far ir ray source (1).

5, middle energy γ according to claim 1 and 2 and far infrared prostate hypertrophy inline diagnosis therapeutic instrument, the two ends that it is characterized in that described tungsten pipe (7) are respectively with the thick tungsten piece (11) of 15mm～20mm, (12) sealing, the exposed junction of the described sealing tungsten piece (11) of an end wherein is sphere shape, and the sealing tungsten piece (12) of the other end is cylindrical.

6, according to claim 1 and 2 middle can γ and far infrared prostate hypertrophy inline diagnosis therapeutic instrument, it is characterized in that the other end of the cylindrical seal tungsten piece (12) of described tungsten pipe (7) links to each other with a plastic handle (13).

7, middle energy γ according to claim 1 and 2 and far infrared prostate hypertrophy inline diagnosis therapeutic instrument, it is characterized in that described middle energy γ and far ir ray source (1) are installed in the cylindrical shape shielding body (2), make described source (1) move horizontally and to rotate, and may be locked on the described shield (2) with respect to described shield (2).

8, middle energy γ according to claim 1 and far infrared prostate hypertrophy inline diagnosis therapeutic instrument is characterized in that being transmitted to external gamma-rays when gamma-rays diagnostor (4) directly receives treatment, machine imaging as calculated, demonstration prostate size.

9, according to claim 1 middle can γ and far infrared prostate hypertrophy inline diagnosis therapeutic instrument, it is characterized in that described support (3) can go up at described therapeutic bed (5) mobile, the height of described support (3) and the equal scalable of angle direction.