CN105251110A - Assembling device and method in radioactive seed stent - Google Patents
Assembling device and method in radioactive seed stent Download PDFInfo
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- CN105251110A CN105251110A CN201510762977.1A CN201510762977A CN105251110A CN 105251110 A CN105251110 A CN 105251110A CN 201510762977 A CN201510762977 A CN 201510762977A CN 105251110 A CN105251110 A CN 105251110A
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Abstract
The invention relates to an assembling device and method in a radioactive seed stent, and relates to the technical field of tumor radioactive treatment equipment. The device comprises seat, a nail groove, a U-shaped nail, a positioning spring, a pressure handle, a particle rod clamp, a leaf spring, a push rod, a return spring, a seal cover, a pin shaft, a nail pressing plate and a pressure handle return spring. By utilizing a binding principle, radioactive particle metal rods for tumor radioactive treatment are bond on the inner surface of the stent, the stent is implanted to a tumor diseased position in an esophagus cancer tube cavity, and the radioactive particles implanted radioactive treatment can be realized. The device mainly comprises a seat part, a particle rod push part and a particle rod binding part. The three parts of the device are cooperated with one another, so that the particle rod binding process is simpler, safer and efficient. The multi-position personalized continuous assembly of the particle rod can be realized, the surgical efficiency of the radioactive particle interventional therapy and the safety of the treatment process are improved, and the treatment cost is reduced to certain extent.
Description
Technical field
The present invention relates to the radiotherapy equipment technical field of tumor, concrete, assembling device and assembly method in a kind of radioactive particle support.This device by being used for the personalized inner surface being assemblied in bearing support of radiocurable radioactive particle, can realize quick, the safe assembling of radioactive particle.
Background technology
Radiation treatment is one of main method of current clinical treatment malignant tumor.The type of radiation treatment mainly divides external radiotherapy and close-range treatment two kinds, and for a long time, external exposure is radiocurable main path.Due to mental retardation nucleic after the eighties in 20th century
125i and
103the appearance of the succeeding in developing of Pd etc., Computerized three-dimensional treatment planning systems and B ultrasonic, CT, MRI etc. guide the development of lower planting technology, make seeds implantation open the new page of closely radiation treatment, obtain comparatively satisfied clinical efficacy.Radioactive prospecting instrument is exactly a kind of accurate radiotherapy in essence, when radioactive prospecting instrument, require that target area reaches the prescribed dose of very high radical cure tumor, and normal surrounding tissue is not subject to any damage.Compared to external radiotherapy, radioactive particle treatment has fabulous conformal performance, to the Partial controll better efficacy of tumor.
The pipe intracavitary neoplasms such as the esophageal carcinoma are malignant tumor common clinically, radioactive particle treatment is widely used in the esophageal carcinoma, the Therapeutic Method of main employing radioactive particle support, is assemblied in radioactive particle on support, by the stenter to implant with radioactive particle to lesion.Radioactive particle stent Methods is easy and simple to handle, and patient tolerability is good and acceptant, and untoward reaction is little, and curative effect is obvious, has become main Therapeutic Method.
When radioactive particle and Esophageal Stent assemble, first manually make the sleeve pipe being used for loading radioactive particle in rack outer surface, particle rod is injected in sleeve by recycling radioactive particle syringe.Whole assembling process is comparatively loaded down with trivial details, and the used time is longer, very inconvenient.The therapeutic process of doctor's operation and tumor patient is all affected.
So need now a kind of device of invention badly, improve the assembling process between existing particle rod and Esophageal Stent, improve the mechanization degree of assembling process, particle rod can be realized there is efficient, convenient, safe feature in assembling process.Simultaneously again can according to the demand of doctor in radioactive particle assembling process, realize radioactive particle in position, quantitative personalization assembling.
Summary of the invention
In view of the inconvenience of assembling process between existing radioactive particle and Esophageal Stent, the object of the invention is to design assembling device in a kind of radioactive particle support, for improving the mechanization degree in whole assembling process, improving efficiency and the safety of assembling.
Described a kind of device for assembling in radioactive particle support, its ingredient comprises: nail groove (2), U-shaped nail (3), retainer spring (4), pressure handle (5), particle rod folder (6), spring leaf (7), particle rod (8), push rod (9), back-moving spring (10), capping (11), guide groove (12), bearing pin (13), nail pressing sheet (14), pressure handle back-moving spring (15), groove (16) derived by particle rod, and elongated particle rod pushes frame (18).
Described a kind of device for assembling in radioactive particle support, its stand is the main part of assembling device, it is dish-type pedestal bottom stand, dish-type pedestal is elongated particle rod pushes frame (18), one end that elongated particle rod pushes frame is particle rod assembling end, the other end is that excellent propelling movement of particle is held, and respectively there is an earhole projected upwards (20) both sides, middle a part that particle rod pushes frame, the two earhole Parallel Symmetrics given prominence to; The particle rod of the particle rod propelling movement frame of elongated assembles particle rod derivation groove (16) that end is provided with upward opening, and the sidewall of particle rod derivation groove (16) has the U-shaped groove of a upward opening, is called U-shaped nail guiding groove (17); Particle rod pushes frame inside and is provided with particle rod slideway (19) along its length, and slideway is cylindrical slideway, and it is through to particle rod derivation groove (16) that the excellent slideway (19) of particle pushes end from particle rod; In particle rod slideway (19) that particle rod pushes end, push rod (9) is installed, push rod (9) is provided with push rod spanner, the side pushing the elongated particle rod propelling movement frame of end at particle rod has guide groove (12), guide groove (12) is communicated with side by side with particle rod slideway (19), push rod spanner can be mobile in guide groove (12), ensures that push rod (9) is not rotated simultaneously; The top of push rod (9) is fixedly connected with capping (11) by back-moving spring (10); The upper surface that particle rod pushes frame has particle rod installing port (21), and particle rod installing port is communicated with particle rod slideway (19); Particle rod groove is provided with in particle rod folder (6), spring leaf (7) is provided with in particle rod groove, can fill particle rod in spring leaf (7) the top particle rod groove of particle rod folder (6), particle rod is parallel to particle rod slideway (19) from particle rod installing port (21) by spring leaf (7) and is placed in and is parallel in particle rod slideway (19) by particle rod folder (6);
The excellent assembling above end of particle that particle rod pushes frame is provided with U-shaped nail erecting device, the bottom of U-shaped nail erecting device is divided into and has and particle rod slideway (19) parallel nail groove (2) lower platen (22), the front end of lower platen has the lower nail pressing road opened downwards, and lower nail pressing road is corresponding with U-shaped nail guiding groove (17); Nail groove (2) internal fixtion is provided with retainer spring (4), and retainer spring (4) can make parallel being closely arranged on of multiple U-shaped nail (3) follow closely in groove (2); The top of U-shaped nail erecting device is divided into pressure handle (5), and the front end of pressure handle is provided with nail pressing sheet (14), and nail pressing sheet (14) is corresponding with lower nail pressing road, and pressure handle (5) is also provided with pressure handle back-moving spring (15); The rear end of lower platen (22) and the rear end of pressure handle (5) are provided with earhole, lower platen (22) and pressure handle (5) are pushed between the outstanding earhole of frame two by the superimposed elongated particle rod that is fixed on of rear end earhole, are connected by bearing pin (13); The front end of pressure handle (5) can to pressing down.
U-shaped nail inside length equals particle rod lateral perimeter.Lower nail pressing road only allows single U-shaped nail to pass through,
Adopt said apparatus to carry out the method for assembling in radioactive particle support, it is characterized in that, comprise the following steps:
Clamp-oned by particle rod in particle rod folder, particle rod is put into particle rod slideway (19) by particle rod installing port by particle rod folder; Intravascular stent is enclosed within the particle rod assembling end that particle rod pushes frame, makes the parallel particle of intravascular stent silk of intravascular stent particle to be fixed rod rod slideway (19) be placed on U-shaped nail guiding groove (17); U-shaped nail (3) is loaded in nail groove (2); Push rod (9) is adopted particle rod to be pushed to U-shaped nail guiding groove place, to pressing down pressure handle (5), the U-shaped mouth of U-shaped nail (3) is made to stretch into U-shaped nail guiding groove, due to the restriction by U-shaped nail guiding groove, the U-shaped mouth of U-shaped nail (3) curves inwardly sealing, make particle rod and intravascular stent silk be wrapped in the U-shaped nail of sealing simultaneously, complete assembling in particle side support; After stopping pressing pressure handle, pressure handle is upspring automatically, and the U-shaped nail in nail groove moves forward a nail position under retainer spring effect, and has continued assembling in next particle rod bracket.
Above-mentioned particle rod is radioactive particle rod.
Particle rod folder is arranged on the particle rod installing port of particle excellent propelling movement frame rear end, and particle rod installing port is communicated with the excellent slideway of particle in particle rod propelling movement frame, and the spring leaf in particle rod folder remains that one piece of particle rod is pressed in particle rod slideway.
Its push rod is installed in the particle rod slideway in particle rod propelling movement frame, and push rod tail end has push rod spanner, and push rod spanner extends to outside stand through the guide groove on stand.
The particle excellent assembling end of its particle rod propelling movement frame has particle rod is derived groove, and the particle rod slideway that particle excellent derivation groove and particle rod push in frame is tangent, can for the excellent level taking-up of a particle; Particle rod is derived in the middle of groove U-shaped nail guiding groove, and U-shaped nail guiding groove is derived groove communicate with U-shaped nail, communicates simultaneously, totally present package structure to particle excellent derivation groove and the excellent slideway of particle with particle rod slideway; U-shaped nail guiding groove only allows single U-shaped nail to pass through.
Assembling device in described radioactive particle support, the inside that its particle rod pushes frame is provided with particle rod slideway, and slideway inside is placed with push rod, and push rod can slide to push particle rod in slideway.The afterbody of push rod is provided with push rod spanner, and spanner, at the guide groove internal slide of stand, facilitates staff to stir push rod on the one hand, on the other hand the rotation of restriction push rod.Be connected with back-moving spring at the afterbody of push rod, push rod can automatically reset after the propelling movement completing particle rod under action of reset spring.The other end of back-moving spring is connected with capping, and capping is arranged on the outermost of stand tail end.
Assembling device in described radioactive particle support, there are nail groove, pressure handle in its stand top by pinned connection.Single U-shaped nail can only be allowed in the groove of nail groove laterally to streak, and the inner multiple U-shaped nail placed side by side of general nail groove is used for assembling.The head end of nail groove is groove, and the size of groove only allows single U-shaped nail to pass through, and is called lower pressure passageway.Inside nail groove, retainer spring is housed, spring one end is fixed on the bottom of nail groove, and the other end promotes U-shaped nail, keeps lower pressure passageway place to have one piece to be U-shapedly pinned to position all the time.The top of nail groove is pressure handle, and pressure handle can wrap nail groove just completely, has nail pressing sheet at the head of pressure handle, and the thickness of nail pressing sheet is the thickness of single U-shaped nail, and nail pressing sheet head is U-shaped structure, matches with U-shaped nail.The position of nail pressing sheet is corresponding with the lower pressure passageway of nail groove end.The afterbody of pressure handle is provided with back-moving spring, and in time stopping pressing pressure handle, pressure handle can be upspring automatically.When pressing pressure handle, single U-shaped nail just in time can be pushed through the lower pressure passageway of nail groove by nail pressing sheet, and arrive the U-shaped nail guiding groove of stand particle rod installation end, U-shaped nail is out of shape under the guiding of U-shaped nail guiding groove, finally wraps particle rod and scaffolding thread completely.After stopping pressing pressure handle, pressure handle is upspring automatically, and the U-shaped nail in nail groove moves forward a nail position under retainer spring effect.
Assembling device in described radioactive particle support, the upper surface that its particle rod pushes frame can assemble particle rod folder, and there is spring leaf particle rod folder inside, is clamp-oned by particle rod in particle rod folder, particle rod folder is placed in the particle rod installing hole place of stand.A particle rod is pushed to rigging position by push rod, and after completing the installment work of U-shaped nail, push rod returns homeposition place under action of reset spring, just has one piece of new particle rod and delivered to homeposition by spring pressure in particle rod folder.
Described stand, its upper end is that elongated particle rod pushes frame, the head end of particle rod propelling movement frame is the assembling end of support and particle rod, the assembling end of particle rod is provided with particle rod and derives groove, groove exit derived by particle rod is rectangle, particle rod derive groove only allow one piece of particle rod laterally across, tangent with the particle rod slideway of stand inside bottom it.The centre of deriving groove at particle rod is provided with U-shaped nail guiding groove.The diameter of U-shaped nail guiding groove bottom semi-circular section slideway more excellent than particle is large, and the amount had more is the thickness of U-shaped nail, and the width of guiding groove is similarly the width of U-shaped nail.U-shaped like this nail just under pressure, can move along U-shaped nail guiding groove and be out of shape, and finally wraps particle rod and scaffolding thread completely, scaffolding thread and particle rod is fixed together firmly.
Assembling device in described a kind of radioactive particle support, it adopts U-shapedly binds the method ordered, and binds in stent inner surface, compare particle rod and former assembly method, new equipment improves the mechanization degree of assembling process, makes whole assembling process quick, efficient and fool proof.Doctor can according to sick human needs, and the quantity of personalized formulation particle rod assembling, position, improve the effect for the treatment of.The generally speaking method of the employing bookbinding of the present invention's innovation, simplifies the process of carrying out between particle rod and support assembling, while the efficiency improving operation and curative effect, reduces the cost for the treatment of to a certain extent.
Accompanying drawing explanation
Assembling device general illustration in Fig. 1 radioactive particle support;
The in-built equipped nailed groove structural representation of Fig. 2 radioactive particle support;
Assembling device pressure handle structural representation in Fig. 3 radioactive particle support;
Assembling device gutter pos structural representation in Fig. 4 radioactive particle support;
1-stand, 2-follows closely groove, 3-U sprig, 4-retainer spring, 5-pressure handle, 6-particle rod folder, 7-spring leaf, 8-particle rod, 9-push rod, 10-back-moving spring, 11-capping, 12-guide groove, 13-bearing pin, 14-nail pressing sheet, 15-pressure handle back-moving spring, groove derived by 16-particle rod, 17-U sprig guiding groove, 18-elongated particle rod pushes frame, 19-particle rod slideway, 20-earhole, 21-particle rod installing port, 22-lower platen, nail pressing road under 23-, 24-scaffolding thread.
Detailed description of the invention
The present invention relates to assembling device in a kind of radioactive particle support, this device utilizes the principle of bookbinding, radioactive particle rod can be bound in stent inner surface optional position, realizes safety between radioactive particle and support, efficiently motorization assembly.Below in conjunction with instance graph of the present invention, design of the present invention is explained in detail, but the present invention is not limited to following examples.
In radioactive particle support, assembling device structure member comprises: stand 1, nail groove 2, U-shaped nail 3, retainer spring 4, pressure handle 5, particle rod folder 6, spring leaf 7, particle rod 8, push rod 9, back-moving spring 10, capping 11, guide groove 12, bearing pin 13, nail pressing sheet 14, pressure handle back-moving spring 15, groove 16 derived by particle rod, U-shaped nail guiding groove 17, elongated particle rod pushes frame 18, particle rod slideway 19, earhole 20, particle rod installing port 21, lower platen 22, lower nail pressing road 23, is specifically shown in accompanying drawing 1-4; Assembling device general illustration in composition graphs 1 radioactive particle support, stand 1 top is that elongated particle rod pushes frame 18, and the head end that elongated particle rod pushes frame 18 is particle rod assembling end, and tail end is that particle rod pushes end.Push end at particle rod and be equipped with particle rod push rod 9, particle rod push rod 9 afterbody is connected with back-moving spring 10, and back-moving spring 10 other end is connected to capping 11 place.By intravascular stent through particle rod assembling end on stand 1, groove 16 position is derived in particle rod by needing the stentplacement assembling particle rod, after push rod 9 returns to capping 11 position under back-moving spring 10 acts on, particle rod 8 in particle rod folder 6 is sent to the particle rod slideway place of stand 1 inside by particle rod folder 6 inner spring sheets 7, and groove 16 position derived by the particle rod that particle rod 8 is pushed to stand 1 by push rod 9.Now press pressure handle 5, U-shaped nail 3 is extruded nail groove 2 by the nail pressing sheet 14 in pressure handle 5, U-shaped nail 3 enters the U-shaped nail guiding groove 17 on stand 1 while being forced out nail groove 2, under the effect of the pressure, U-shaped nail 3 is out of shape along U-shaped nail guiding groove 17, and particle rod 8 is tightly bound in stent inner surface by final U-shaped nail 3.
Support is taken out after completing bookbinding action, particle rod 8 is just bound in stent inner surface, now push rod 9 automatically returns to capping 11 place under back-moving spring 10 acts on, and new particle rod 8 will be sent in particle rod slideway by particle rod folder 6 inner spring sheets 7, binds next time.Nail groove 2 and pressure handle 5 are connected to stand 1 upper end by bearing pin 13.Retainer spring 4 is equipped with at the U-shaped nail slideway place of nail groove 2, between pressure handle 5 and nail groove 2, pressure handle back-moving spring 15 is housed.When after the bookbinding completing one piece of U-shaped nail, stop the pressing to pressure handle 5, pressure handle 5 to be upspring certain position under pressure handle back-moving spring 15 acts on.Now follow closely the U-shaped nail 3 of groove 2 inside under the propelling movement of retainer spring 4, move forward a nail position, one piece of new U-shaped nail 3 just pushed position, lower nail pressing road 23 to nail groove 2, carries out the bookbinding of particle rod 8 next time.
Claims (4)
1. the device for assembling in radioactive particle support, it is characterized in that, comprise: nail groove (2), U-shaped nail (3), retainer spring (4), pressure handle (5), particle rod folder (6), spring leaf (7), particle rod (8), push rod (9), back-moving spring (10), capping (11), guide groove (12), bearing pin (13), nail pressing sheet (14), pressure handle back-moving spring (15), groove (16) derived by particle rod, and elongated particle rod pushes frame (18);
Described a kind of device for assembling in radioactive particle support, its stand is the main part of assembling device, it is dish-type pedestal bottom stand, dish-type pedestal is elongated particle rod pushes frame (18), one end that elongated particle rod pushes frame is particle rod assembling end, the other end is that excellent propelling movement of particle is held, and respectively there is an earhole projected upwards (20) both sides, middle a part that particle rod pushes frame, the two earhole Parallel Symmetrics given prominence to; The particle rod of the particle rod propelling movement frame of elongated assembles particle rod derivation groove (16) that end is provided with upward opening, and the sidewall of particle rod derivation groove (16) has the U-shaped groove of a upward opening, is called U-shaped nail guiding groove (17); Particle rod pushes frame inside and is provided with particle rod slideway (19) along its length, and slideway is cylindrical slideway, and it is through to particle rod derivation groove (16) that the excellent slideway (19) of particle pushes end from particle rod; In particle rod slideway (19) that particle rod pushes end, push rod (9) is installed, push rod (9) is provided with handle, the side pushing the particle rod propelling movement frame of the elongated of end at particle rod has guide groove (12), guide groove (12) is communicated with side by side with particle rod slideway (19), the handle of push rod (9) can be mobile in guide groove (12), ensures that push rod (9) is not rotated simultaneously; The top of push rod (9) is fixedly connected with capping (11) by back-moving spring (10); The upper surface of the particle rod propelling movement frame of elongated has particle rod installing port (21), and particle rod installing port is communicated with particle rod slideway (19); Particle rod groove is provided with in particle rod folder (6), spring leaf (7) is provided with in particle rod groove, can fill particle rod in spring leaf (7) the top particle rod groove of particle rod folder (6), particle rod is parallel to particle rod slideway (19) from particle rod installing port (21) by spring leaf (7) and is placed in particle rod slideway (19) by particle rod folder (6);
On elongated particle rod propelling movement frame, particle rod assembling end is provided with U-shaped nail erecting device above, the bottom of U-shaped nail erecting device is divided into the nail groove (2) parallel with particle rod slideway (19) and lower platen (22), the front end of lower platen has the lower nail pressing road opened downwards, and lower nail pressing road is corresponding with U-shaped nail guiding groove (17); Nail groove (2) internal fixtion is provided with retainer spring (4), and retainer spring (4) can make parallel being closely arranged on of multiple U-shaped nail (3) follow closely in groove (2); The top of U-shaped nail erecting device is divided into pressure handle (5), and the front end of pressure handle is provided with nail pressing sheet (14), and nail pressing sheet (14) is corresponding with lower nail pressing road, and pressure handle (5) is also provided with pressure handle back-moving spring (15); The rear end of lower platen (22) and the rear end of pressure handle (5) are provided with earhole, lower platen (22) and pressure handle (5) are pushed between the outstanding earhole of frame two by the superimposed elongated particle rod that is fixed on of rear end earhole, are connected by bearing pin (13); The front end of pressure handle (5) can to pressing down.
2. according to a kind of device for assembling in radioactive particle support of claim 1, it is characterized in that, U-shaped nail inside length equals particle rod lateral perimeter.
3. according to a kind of device for assembling in radioactive particle support of claim 1, it is characterized in that, the spring leaf in ion bar folder remains that one piece of particle rod is pressed in particle rod slideway; Lower nail pressing road only allows single U-shaped nail to pass through.
4. utilize a kind of device for assembling in radioactive particle support of claim 1 to carry out the method for assembling in radioactive particle support, it is characterized in that, comprise the following steps: clamp-oned by particle rod in particle rod folder, particle rod is put into particle rod slideway (19) by particle rod installing port by particle rod folder; Intravascular stent is enclosed within the particle rod assembling end that elongated particle rod pushes frame, makes the parallel particle of intravascular stent silk of the particle rod to be fixed of intravascular stent rod slideway (19) be placed on U-shaped nail guiding groove (17); U-shaped nail (3) is loaded in nail groove (2); Push rod (9) is adopted particle rod to be pushed to U-shaped nail guiding groove place, to pressing down pressure handle (5), the U-shaped mouth of U-shaped nail (3) is made to stretch into U-shaped nail guiding groove, due to the restriction by U-shaped nail guiding groove, the U-shaped mouth of U-shaped nail (3) curves inwardly sealing, make particle rod and intravascular stent silk be wrapped in the U-shaped nail of sealing simultaneously, complete assembling in particle rod bracket; After stopping pressing pressure handle, pressure handle is upspring automatically, and the U-shaped nail in nail road moves forward a nail position under retainer spring effect, and has continued assembling in next particle rod bracket.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510762977.1A CN105251110B (en) | 2015-11-10 | 2015-11-10 | A kind of device and assembly method for assembling in radioactive particle stent |
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| CN201510762977.1A CN105251110B (en) | 2015-11-10 | 2015-11-10 | A kind of device and assembly method for assembling in radioactive particle stent |
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| CN105251110A true CN105251110A (en) | 2016-01-20 |
| CN105251110B CN105251110B (en) | 2018-04-17 |
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| CN108325091A (en) * | 2017-12-26 | 2018-07-27 | 宁波中哲医疗科技有限公司 | A kind of carbon-point clamping device |
| CN108325091B (en) * | 2017-12-26 | 2023-06-16 | 宁波中哲医疗科技有限公司 | Carbon-point clamping device |
| CN108831580A (en) * | 2018-08-22 | 2018-11-16 | 原子高科股份有限公司 | A kind of radioactive particle assembles and the device and method of sealing automatically |
| CN108831580B (en) * | 2018-08-22 | 2023-10-10 | 原子高科股份有限公司 | Device and method for automatically assembling and sealing radioactive particles |
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| CN105251110B (en) | 2018-04-17 |
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