CN104623794B - Radiocurable intracavity applies source protection device - Google Patents
Radiocurable intracavity applies source protection device Download PDFInfo
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- CN104623794B CN104623794B CN201510060195.3A CN201510060195A CN104623794B CN 104623794 B CN104623794 B CN 104623794B CN 201510060195 A CN201510060195 A CN 201510060195A CN 104623794 B CN104623794 B CN 104623794B
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- silica gel
- water
- capsule
- radiocurable
- protection device
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Abstract
The present invention discloses a kind of radiocurable intracavity and applies source protection device, including the cylindric protection capsule by made by pellosil, protection capsule one end silica gel cover seal, the other end is sealed with silica gel plate, a silica gel partition walls are provided with cylindric protection capsule, protection capsule is separated into into two axially extending water-injecting cavities, two water-injecting cavities are not connected, the section of silica gel partition walls is curved, four supply radiator duct insertion chambers for axially extending are formed in silica gel partition walls, supply radiator duct inserts chamber and seals positioned at silica gel lid one end, the other end extends the insertion opening that silica gel plate forms supply radiator duct, silica gel plate is provided with the first water filling port connected with the first water-injecting cavity and the second water filling port connected with the second water-injecting cavity, formation applies source protection device by dilation by water injection.The present invention improves the effect of radiation therapy using this apparatus for wave-energy source, alleviates the pain of patient, low cost can be with first use, it is to avoid the risk of cross infection.
Description
Technical field
The invention belongs to a kind of medical apparatus and instruments, and in particular to a kind of radiocurable intracavity applies source protection device.
Background technology
Plesioradiotherapy, is a kind of radiocurable form, radioactive source can be accurately placed in malignant tumor
Within or near, tumor cell is killed using high-energy ray, with direct killing tumor, therapeutic effect be good, relapse rate
Low advantage, is widely used in the treatment of clinical tumor.For cancer of anal canal or rectal cancer, applying built with radioactive source is generally adopted
Source device is treated, and apparatus for wave-energy source is stretched in anal canal or in rectum, then radioactive source is imported in apparatus for wave-energy source, the radiation in apparatus for wave-energy source
Source carries out radiotherapy to the cancerous tissue affected area in anal canal or rectum, the apparatus for wave-energy source need to be close to anal canal or rectum in cancer group
Focus is knitted, radiotherapeutic effect is improved good.However, existing apparatus for wave-energy source adopts pmma material or other transparent rigid material systems
Form, there is problems with：
1st, as malignant tumor is attached on anal canal or rectum, for the malignant tumor prominent to intracavity, because apparatus for wave-energy source is
It is rigid, when apparatus for wave-energy source into anal canal and it is intrarectal during, apparatus for wave-energy source easily punctures malignant tumor tissue, causes pernicious swollen
Tumor metastasiss；For to the recessed malignant tumor of intracavity, the apparatus for wave-energy source produces certain distance with carninomatosis stove not in contact with carninomatosis stove so that
Radiotherapeutic effect is poor.
2nd, the rigid apparatus for wave-energy source can sharp patient, make patient over the course for the treatment of quite pain.
3rd, the high cost of the apparatus for wave-energy source, it usually needs reuse, therefore there is the risk of cross infection.
And it is observed that often amesiality in tumor focus in putting into practice, if making irradiated area control in focus week
Enclose and normal mucosa receives as far as possible little irradiation, it is possible to avoid the normal skin tissue near focus from being subject to excessive radiation and quilt
Damage, cause radioactivity early complication.
Equally, for the radiotherapy of intravaginal tumor, there is also an identical difficult problem.
The content of the invention
The invention aims to overcome the deficiencies in the prior art, there is provided a kind of radiocurable intracavity applies source protection
Device, the radiocurable intracavity are applied source protection device and can improve therapeutic effect, low cost, and mitigate the pain of patient.
The purpose of the present invention can be achieved through the following technical solutions：
A kind of radiocurable intracavity applies source protection device, it is characterised in that：Including the cylindric protection by made by pellosil
Capsule, the patient end silica gel cover seal of the protection capsule, the machine end of the protection capsule are sealed with silica gel plate, the cylindric guarantor
A silica gel partition walls are set in shield capsule, protection capsule two axially extending water-injecting cavities is separated into into, wherein the first water-injecting cavity and the
Two water-injecting cavities are not connected, and the section of the silica gel partition walls is curved, form four vertically in the silica gel partition walls
The supply radiator duct insertion chamber of extension, four supply radiator duct insertion chambers are equally distributed in semicircle segmental arc, the center of circle and the protection in adjacent two chamber
Line angle between the capsule center of circle is 60 degree, and the axial two ends of silica gel partition walls are connected with silica gel lid and silica gel plate respectively, described
Supply radiator duct inserts chamber and seals positioned at silica gel lid one end, and the other end extends the insertion opening that silica gel plate forms supply radiator duct, the silicon
Offset plate is provided with the first water filling port connected with the first water-injecting cavity and the second water filling port connected with the second water-injecting cavity, and formation passes through
Dilation by water injection applies source protection device.
The silica gel is covered with the seal plug that chamber is inserted for sealing supply radiator duct.
The silica gel cut-off, silica gel lid and silica gel plate are integrally formed.
The external diameter of the protection capsule is 30mm.
The length of the protection capsule is 130mm.
The center of circle distance in the center of circle of the protection capsule to supply radiator duct insertion chamber is 9.5mm.
The machine end of the protection capsule circumferentially has bending, is formed for installing the boss of silica gel plate.
The first water filling port and the second water filling port on the silica gel plate is respectively equipped with water filling post.
The internal diameter of the water filling post gradually increases from inside to outside.
Beneficial effects of the present invention：The present invention protects one end of capsule to set using the cylindric protection capsule by made by pellosil
There is silica gel lid, the other end is provided with silica gel plate, arranges a silica gel partition walls, protection capsule is separated into two axles in cylindric protection capsule
To the water-injecting cavity for extending, the section of silica gel partition walls is curved, forms eccentric apparatus for wave-energy source, forms four in the silica gel partition walls
The individual supply radiator duct insertion chamber for axially extending, silica gel plate are provided with the first water filling port and the second water filling port, form dilation by water injection
Apply source protection device.Using front, the air in cylindric protection capsule evacuated, reduces protection capsule volume, supply radiator duct insertion protection capsule
Supply radiator duct it is inserted in cavities, then will protection capsule insertion patient anus or rectal cavity in, most protect intracapsular water filling backward, make guarantor
Shield capsule dilatancy, is contacted with anus or rectum cavity wall.Due to protecting capsule using flexible material made by pellosil, and in advance
First evacuating protection capsule makes entirely to protect capsule contraction to diminish, therefore cylindric protection capsule is when patient's anus or rectum is inserted, for
The malignant tumor that intracavity is projected, will not puncture malignant tumor, cause Malignant tumor of bonal metastasis；The malignant tumor recessed for intracavity, should
Apparatus for wave-energy source is not in contact with carninomatosis stove, it is impossible to ensure therapeutic effect；Whole protection capsule facilitates access for anus or rectum after reducing, so as to subtract
The light pain of patient, and protect capsule wide using this material source of pellosil, low cost, therefore reduce the valency of protection capsule
Lattice, first use, it is to avoid the risk of cross infection.Simultaneously it is suitable for the Afterloading radiotherapy of cancer of vagina.
The section of the silica gel partition walls is curved, and supply radiator duct is distributed in semicircle segmental arc, makes the radioactive source in supply radiator duct
Closer to focus, away from normal cell, that is, reduce the exposure area to rectum, anus or vagina and improve again and control curative effect
Really.
Silica gel is covered with the seal plug that chamber is inserted for sealing supply radiator duct, is easy to supply radiator duct to be arranged on supply radiator duct and inserts chamber
In.
Silica gel cut-off, silica gel lid and silica gel plate are integrally formed, and are easy to manufacture, install, so as to reduce cost.
The first water filling port and the second water filling port on silica gel plate is respectively equipped with water filling post, and the water filling post is easy to water filling intracavity
Injection liquid.
Description of the drawings
Fig. 1 is the structural representation of the present invention；
Fig. 2 is the sectional view of the present invention；
Fig. 3 is the structural representation of present invention protection capsule；
Fig. 4 is the sectional view of A-A in Fig. 3；
Fig. 5 is the structural representation of silica gel plate of the present invention；
Fig. 6 is the sectional view of B-B in Fig. 5；
Fig. 7 is the structural representation of silica gel lid of the present invention；
Fig. 8 is the structural representation of seal plug of the present invention；
Fig. 9 is the assembling schematic diagram of the present invention.
In accompanying drawing：1 for protection capsule, 1-1 be the first water-injecting cavity, 1-2 be the second water-injecting cavity, 1-3 be bending, 2 be silica gel lid,
3 is silica gel plate, 4 is silica gel partition walls, 5 is supply radiator duct insertion chamber, 6 is seal plug, 7 is water filling post, 8 is supply radiator duct.
Specific embodiment
The present invention is further illustrated below in conjunction with the accompanying drawings.
Referring to shown in Fig. 1 to Fig. 9, a kind of radiocurable intracavity applies source protection device, including the cylinder by made by pellosil
Shape protection capsule 1, silica gel lid 2 and silica gel plate 3, the external diameter of the protection capsule 1 is 30mm, and length is 130mm, the thickness of the pellosil
For 0.2～1mm, the machine end of the protection capsule 1 circumferentially has bending 1-3, and the bending is formed for installing silica gel plate 3
Boss, silica gel lid 2 are bonded in the patient end of protection capsule 1, and silica gel plate 3 is bonded in the machine end of protection capsule 1, protects the patient of capsule 1
End silica gel lid 2 is sealed, and protects the machine end silica gel plate 3 of capsule 1 to seal, and the thickness of silica gel lid 2 and silica gel plate 3 is 1mm.
A silica gel partition walls 4 are set in the cylindric protection capsule 1, protection capsule 1 is separated into into two axially extending notes
Water cavity, wherein the first water-injecting cavity 1-1 and the second water-injecting cavity 1-2 are not connected, the thickness of the silica gel partition walls 4 is 1mm, silica gel
The section of partition walls 4 is curved, and the two ends of arc extend closely coupled with cylindric protection 1 wall of capsule, are formed and are separated, make arc every
The first water-injecting cavity 1-1 on disconnected inner arc one side is big, and the second water-injecting cavity 1-2 of outer arc is little, can inject in the first water-injecting cavity 1-1
More water or protective agent so that the normal structure on focus opposite can be away from radioactive source, so as to reduce normal tissue
Shone amount of radiation.Four supply radiator duct insertion chambers 5 for axially extending are formed in the silica gel partition walls 4, the protection capsule 1
The center of circle is 9.5mm to the center of circle distance that supply radiator duct inserts chamber, and the distance is so that supply radiator duct outer wall is protected to the distance of protection 1 inwall of capsule
Hold in the distance range of optimum therapeuticing effect；The internal diameter size in four supply radiator duct insertion chambers 5 is identical to be 5.5mm, and four are applied
Source capsule insertion chamber 5 is equally distributed in semicircle segmental arc, and the line angle between 1 center of circle of the center of circle and protection capsule in adjacent two chamber is 60
Degree so that supply radiator duct inserts 5 side of chamber close to protection cyst wall, away from protection cyst wall, supply radiator duct insertion chamber 5 is easy to will be existing for opposite side
There is supply radiator duct 8 to be fixed in protection capsule 1, make 8 eccentric setting of supply radiator duct, reduce swept area, so that normal viscous
Film is not illuminated.The internal diameter of the supply radiator duct 8 be 3.5mm, external diameter is 5mm, protect capsule 1 length be 30mm, supply radiator duct adopt
Polyfluortetraethylene pipe, is connected with snap joint on supply radiator duct 8.The axial two ends of silica gel partition walls 4 respectively with silica gel lid 2 and silica gel
Plate 3 is connected, and the supply radiator duct insertion chamber 5 is sealed positioned at 2 one end of silica gel lid, and the other end extends silica gel plate 3 and forms supply radiator duct
Insertion opening, the silica gel plate 3 are provided with the first water filling port for being connected with the first water-injecting cavity 1-1 and are connected with the second water-injecting cavity 1-2
The second logical water filling port, the first water filling port and the second water filling port on silica gel plate 3 are respectively equipped with water filling post 7, the water filling post 7
Internal diameter gradually increases from inside to outside, and the water filling post 7 is provided with switch, water filling post 7 for being connected with water injection pipe, or with injection
Needle tubing is connected, and with injection needle to protection intracapsular injection liquid, formation applies source protection device by dilation by water injection.
Further：The silica gel lid 2 is provided with and inserts the through hole that chamber 5 communicates with supply radiator duct, and the through hole is provided with for close
Envelope supply radiator duct inserts the seal plug 6 in chamber, and the seal plug 6 is made using silica gel, and 6 adhering and sealing of seal plug is in silica gel lid
On 2, or by 6 elastic deformation interference fit of seal plug be arranged on silica gel lid 2 on, for install supply radiator duct when, air pressure
Discharged by through hole, supply radiator duct is smoothly arranged in supply radiator duct insertion chamber 5, seal plug 6 is being inserted into the logical of silica gel lid 2 then
Hole, sealing supply radiator duct insertion chamber 5, it is to avoid the body fluid via through holes of patient's intracavity flow into supply radiator duct insertion chamber 5, so as to pollute the source of applying
Pipe.
Further：The silica gel partition walls 4, silica gel lid 2 and silica gel plate 3 are integrally formed using silica gel, reduce cost.
The operation principle of the present invention：
Before the present invention is used, the focus distribution situation according to patient is needed, in selecting protection capsule 1, need setting several to apply
Source capsule 8, such as：Focus distribution area can extensively adopt three to four supply radiator ducts, in four supply radiator duct insertion chambers 5 of insertion；Focus point
Cloth area is little can to adopt one or two supply radiator ducts, and wherein one or two inserted in four supply radiator duct insertion chambers 5 applies source
In pipe insertion chamber 5, normal structure, the organ that so tumor can be avoided neighbouring is while being subject to excess radiation and causing to damage.
The air in protection capsule 1 is evacuated first, makes 1 retraction volume of protection capsule diminish, due to all ages and classes or different sexes,
The organ structure of human body is of different sizes, therefore the anus of human body, rectum or vaginal canal is of different sizes, and existing apparatus for wave-energy source is using hard
The outer tube of matter is not easy to insert anal canal, rectum or vaginal canal, and this process patient is quite painful；Present invention protection capsule shrinks
Small volume is facilitated insertion in anal canal, rectum or the vagina of patient afterwards, and alleviates the pain of patient.Secondly supply radiator duct 8 is inserted
Seal plug 6 after installing, and is inserted the through hole on silica gel lid 2, seals supply radiator duct by the supply radiator duct insertion chamber 5 in protection capsule 1
Insertion chamber 5, makes supply radiator duct 8 be fixedly mounted in protection capsule 1.Then protection capsule 1 is inserted anal canal, rectal cavity or the moon of patient
The precalculated position in road, protects the first water-injecting cavity 1-1 of capsule 1 to be located at normal cell and constitutes side, protect the second water-injecting cavity 1-2 of capsule 1
Positioned at radiocurable focus side is needed, it is connected with water pipe to water filling in capsule 1 is protected by the water filling post of two water-injecting cavities, makes protection
The expansion of capsule 1 is contacted with anal canal, rectal cavity or vaginal walls, and the center of supply radiator duct 8 is maintained to the distance of protection 1 outer wall of capsule
5～5.5mm, the distance meet the needs for the treatment of.The radioactive source delivery pipe in existing afterloading unit is connected to into supply radiator duct 8 finally
In snap joint, radioactive source is input in supply radiator duct, carninomatosis stove is treated.Flexible protection capsule 1 cause focus protrusion or
Female parts can more meet radiotherapy requirement closer to the supply radiator duct 8 in protection capsule 1 that is, closer to radioactive source, can be obvious
Alleviate the pain of patient and improve therapeutic effect.As material can cheaply be produced in batches, therefore the apparatus for wave-energy source price of the present invention
It is low so that each patient can use an apparatus for wave-energy source over the course for the treatment of, so as to avoid the probability of cross infection.
Claims (9)
1. a kind of radiocurable intracavity applies source protection device, it is characterised in that：Including the cylindric protection capsule by made by pellosil
（1）, the protection capsule（1）Patient end silica gel lid（2）Sealing, the protection capsule（1）Machine end silica gel plate（3）It is close
Envelope, the cylindric protection capsule（1）One silica gel partition walls of middle setting（4）, capsule will be protected（1）It is separated into two axially extending notes
Water cavity, wherein the first water-injecting cavity（1-1）With the second water-injecting cavity（1-2）It is not connected, the silica gel partition walls（4）Section be in arc
Shape, the silica gel partition walls（4）On form four axially extend supply radiator ducts insertion chambers（5）, four supply radiator ducts insertion chambers
（5）It is equally distributed in semicircle segmental arc, the center of circle and the protection capsule in adjacent two chamber（1）Line angle between the center of circle is 60 degree, silicon
Glue partition walls（4）Axial two ends respectively with silica gel lid（2）And silica gel plate（3）It is connected, the supply radiator duct inserts chamber（5）Positioned at silicon
Jiao Gai（2）One end seals, and the other end extends silica gel plate（3）Form the insertion opening of supply radiator duct, the silica gel plate（3）It is provided with
With the first water-injecting cavity（1-1）Connection the first water filling port and with the second water-injecting cavity（1-2）Second water filling port of connection, formation pass through
Dilation by water injection applies source protection device.
2. a kind of radiocurable intracavity according to claim 1 applies source protection device, it is characterised in that：The silica gel lid
（2）It is provided with the seal plug that chamber is inserted for sealing supply radiator duct（6）.
3. a kind of radiocurable intracavity according to claim 1 applies source protection device, it is characterised in that：The silica gel cut-off
Wall（4）, silica gel lid（2）And silica gel plate（3）It is integrally formed.
4. a kind of radiocurable intracavity according to claim 1 applies source protection device, it is characterised in that：The protection capsule
（1）External diameter be 30mm.
5. a kind of radiocurable intracavity according to claim 1 applies source protection device, it is characterised in that：The protection capsule
（1）Length be 130mm.
6. source protection device is applied according to the arbitrary described a kind of radiocurable intracavity of claim 1 or 4 or 5, it is characterised in that：Institute
State protection capsule（1）The center of circle to supply radiator duct insert chamber the center of circle distance be 9.5mm.
7. source protection device is applied according to the arbitrary described a kind of radiocurable intracavity of claim 1 or 4 or 5, it is characterised in that：Institute
State protection capsule（1）Machine end circumferentially have bending（1-3）, formed for installing silica gel plate（3）Boss.
8. a kind of radiocurable intracavity according to claim 1 applies source protection device, it is characterised in that：The silica gel plate
（3）On the first water filling port and the second water filling port be respectively equipped with water filling post (7).
9. a kind of radiocurable intracavity according to claim 8 applies source protection device, it is characterised in that：The water filling post
(7) internal diameter gradually increases from inside to outside.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510060195.3A CN104623794B (en) | 2015-02-05 | 2015-02-05 | Radiocurable intracavity applies source protection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510060195.3A CN104623794B (en) | 2015-02-05 | 2015-02-05 | Radiocurable intracavity applies source protection device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104623794A CN104623794A (en) | 2015-05-20 |
| CN104623794B true CN104623794B (en) | 2017-04-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510060195.3A Expired - Fee Related CN104623794B (en) | 2015-02-05 | 2015-02-05 | Radiocurable intracavity applies source protection device |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108714276B (en) * | 2018-06-15 | 2021-06-01 | 李大鹏 | Radiation therapy protector in gynaecology's tumour intracavity |
| CN113384821B (en) * | 2020-03-11 | 2023-04-07 | 韩志红 | Protection device for applying intra-cavity after-loading therapy to gynecological malignant tumor |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5503613A (en) * | 1994-01-21 | 1996-04-02 | The Trustees Of Columbia University In The City Of New York | Apparatus and method to reduce restenosis after arterial intervention |
| CN2912675Y (en) * | 2006-06-15 | 2007-06-20 | 卢金利 | Two-chamber water capsule type esophagus radioactive source application equipment |
| CN202859933U (en) * | 2012-09-21 | 2013-04-10 | 黄河澄 | Source applicator for esophageal cancer |
| CN204502130U (en) * | 2015-02-05 | 2015-07-29 | 中国人民解放军第三军医大学第三附属医院 | Radiocurable pair of water pocket apparatus for wave-energy source |
-
2015
- 2015-02-05 CN CN201510060195.3A patent/CN104623794B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5503613A (en) * | 1994-01-21 | 1996-04-02 | The Trustees Of Columbia University In The City Of New York | Apparatus and method to reduce restenosis after arterial intervention |
| CN2912675Y (en) * | 2006-06-15 | 2007-06-20 | 卢金利 | Two-chamber water capsule type esophagus radioactive source application equipment |
| CN202859933U (en) * | 2012-09-21 | 2013-04-10 | 黄河澄 | Source applicator for esophageal cancer |
| CN204502130U (en) * | 2015-02-05 | 2015-07-29 | 中国人民解放军第三军医大学第三附属医院 | Radiocurable pair of water pocket apparatus for wave-energy source |
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| Publication number | Publication date |
|---|---|
| CN104623794A (en) | 2015-05-20 |
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Granted publication date: 20170405 Termination date: 20190205 |