CN103007429B - Medical particle implantation device - Google Patents
Medical particle implantation device Download PDFInfo
- Publication number
- CN103007429B CN103007429B CN201310005403.0A CN201310005403A CN103007429B CN 103007429 B CN103007429 B CN 103007429B CN 201310005403 A CN201310005403 A CN 201310005403A CN 103007429 B CN103007429 B CN 103007429B
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- Prior art keywords
- handle
- tube
- back handle
- assembly
- hand grip
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- 239000002245 particle Substances 0.000 title claims abstract description 71
- 238000002513 implantation Methods 0.000 title abstract 3
- 210000000078 claw Anatomy 0.000 claims abstract description 10
- 230000033001 locomotion Effects 0.000 claims description 24
- 238000000034 method Methods 0.000 description 16
- 230000008569 process Effects 0.000 description 14
- 206010028980 Neoplasm Diseases 0.000 description 11
- 239000002184 metal Substances 0.000 description 10
- 238000010586 diagram Methods 0.000 description 7
- 239000000463 material Substances 0.000 description 6
- 238000010276 construction Methods 0.000 description 3
- 230000002285 radioactive effect Effects 0.000 description 3
- 230000001360 synchronised effect Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012856 packing Methods 0.000 description 2
- 238000002560 therapeutic procedure Methods 0.000 description 2
- 240000007594 Oryza sativa Species 0.000 description 1
- 235000007164 Oryza sativa Nutrition 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 239000007943 implant Substances 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 230000008520 organization Effects 0.000 description 1
- 238000002727 particle therapy Methods 0.000 description 1
- 230000001575 pathological effect Effects 0.000 description 1
- 239000011164 primary particle Substances 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 238000001959 radiotherapy Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 235000009566 rice Nutrition 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- -1 use push rod to push Substances 0.000 description 1
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- Infusion, Injection, And Reservoir Apparatuses (AREA)
Abstract
The invention discloses a medical particle implantation device. The medical particle implantation device comprises a front handle component, a rear handle component and a push component which are connected with one another in sequence, as well as an elastic nut used for allowing the rear handle component to be connected and fixed with the push component, wherein the front handle component comprises an outer tube and a front handle which are connected with each other; the rear handle component comprises an inner tube and a rear handle which are connected with each other, wherein the inner tube is embedded in the outer tube, and the rear handle is partially embedded in the front handle; the push component comprises an inner core, a boosting tube and a tail handle which are connected in sequence; the inner core penetrates the inner tube, the boosting tube and the rear handle in sequence; the inner tube comprises a needle head, an elastic connecting tube and an inner tube body which are connected in sequence; the caliber of the elastic connecting tube is smaller than that of the needle head and the inner tube body, so as to place the particles; and an elastic claw type structure is arranged at the tail end of the rear handle, and an external thread matched with the elastic nut is arranged outside the claw type structure.
Description
Technical field
The present invention relates to technical field of medical instruments, particularly medical particle implanting device under a kind of scope.
Background technology
By endoscope, use radioactive particle or particle chemical therapy to carry out interventional therapy, directly by radioactive particle or radiotherapy particle intratumor injection, for the treatment of local tumor, there is good effect.
Existing particle implanting device need to pass through endoscope channel, has determined that this device length is longer, and length is at 1-3 rice.Conventional particle implanting device all adopts syringe needle, inner tube, handle three to be connected, particle packs into from handle end, in syringe needle puncture, enter after tumor body, after particle, use push rod to push, particle is sent into tumor body, if need to inject second particle, need to extract push rod out Handleset, before push rod, pack particle into and push again, because of the stroke of push rod longer, affect the speed of operation quality and operation, increased the misery of sufferer.
Summary of the invention
Goal of the invention: technical problem to be solved by this invention is for implanting continuously the deficiency of particle in prior art, and a kind of medical particle implanting device is provided.
In order to solve the problems of the technologies described above, the invention discloses a kind of medical particle implanting device, comprise the front hand grip assembly, back handle assembly, the propelling movement assembly that connect successively, and the tightening nut for back handle assembly and propelling movement assembly are connected and fixed.Described front hand grip assembly comprises interconnective outer tube and front hand grip; Described back handle assembly comprises interconnective inner tube and back handle, and described inner tube embeds in outer tube, being partially submerged in front hand grip of back handle; Described propelling movement assembly comprises inner core, boost tube and the afterbody hands handle connecting successively; Described inner core is successively through inner tube, and described boost tube is through described back handle; Described inner tube comprises syringe needle, elastic connecting pipe and the interior tube body connecting successively; Described elastic connecting pipe caliber is less than the caliber of syringe needle and interior tube body, for resident described particle.Described back handle tail end is made as claw type structure that can degree of tightness, and claw type structural outer is provided with the external screw thread coordinating with described tightening nut.
In the present invention, comprise rule, rule one end is fixedly connected with front hand grip, and the other end is flexibly connected with afterbody handle.
In the present invention, described afterbody handle is provided with the locating piece with locating hole, and described rule is through described locating hole.
In the present invention, between described front hand grip and back handle, by releasable buckle, connect.
In the present invention, described front hand grip is provided with one-level dop, and described back handle is provided with two-stage with upper chuck.
The present invention is can be in interior tube body disposable packs 5 ~ 10 particles into, and particle can be discharged one by one through elastic connecting pipe; Specially designed handle can guarantee to exit in the process of tumor body at metal needle, and particle is fixed motionless; Whether by the design of handle, can observe intuitively particle is discharged completely.
By add one section of elastic connecting pipe in the middle of syringe needle and interior tube body, elastic connecting pipe internal diameter is less than the caliber that particle diameter is also less than syringe needle and interior tube body, can pack together in advance a plurality of particles into interior tube body like this.Because of the obstruct of elastic connecting pipe, particle need to push the propelling movement of assembly could be passed through, and so just can control the quantity that discharges particle by afterbody handle, and before solving, pushrod movement stroke operation time long and that cause lengthens, and reduces patient's misery.Only need the disposable particle of putting into of doctor, reduced the danger that doctor is polluted by radioactive particle simultaneously.
Particle implanting device is being withdrawn from the process of syringe needle from tumor body, motion when push rod can withstand particle difference, the risk that the particle that reduction is implanted is taken out of tumor body in syringe needle withdraws from an organization process.
Beneficial effect: a kind of medical particle implanting device of the present invention, structure is ingenious, can be in advance by 5 ~ 10 particle disposable packing into, by push rod, these particles were pushed to flexible material section one by one, reduce the number of times of placing particle, shorten operating time, so both can alleviate patient's misery, also reduced doctor and placed contaminated risk in particle process; Custom-designed handle, can control in the process that syringe needle exits tumor body by the operation of this handle, and particle can not move, and guarantees that particle can not taken out of tumor body in withdrawing from the process of inner tube; Whether handle is marked with graduation mark, can observe intuitively particle and be discharged completely.
Accompanying drawing explanation
Below in conjunction with the drawings and specific embodiments, the present invention is done further and illustrated, above-mentioned and/or otherwise advantage of the present invention will become apparent.
Fig. 1 is the outside population structure schematic diagram of the present invention.
Fig. 2 is internal structure schematic diagram of the present invention.
Fig. 3 is front hand grip modular construction schematic diagram of the present invention.
Fig. 4 is back handle modular construction schematic diagram of the present invention.
Fig. 5 is propelling movement modular construction schematic diagram of the present invention.
Fig. 6 is inner tube front-end architecture schematic diagram of the present invention.
During Fig. 7, the present invention packs schematic diagram after particle into.
The specific embodiment
The invention discloses a kind of medical particle implanting device, comprise the front hand grip assembly, back handle assembly, the propelling movement assembly that connect successively, and the tightening nut for back handle assembly and propelling movement assembly are connected and fixed; Described front hand grip assembly comprises interconnective outer tube and front hand grip; Described back handle assembly comprises interconnective inner tube and back handle, and described inner tube embeds in outer tube, being partially submerged in front hand grip of back handle; Described propelling movement assembly comprises inner core, boost tube and the afterbody hands handle connecting successively; Described inner core is successively through inner tube, and described boost tube is through described back handle; Described inner tube comprises syringe needle, elastic connecting pipe and the interior tube body connecting successively; Described elastic connecting pipe caliber is less than the caliber of syringe needle and interior tube body, for resident described particle; Described back handle tail end is made as claw type structure that can degree of tightness, and claw type structural outer is provided with the external screw thread coordinating with described tightening nut.Medical particle implanting device comprises rule, and rule one end is fixedly connected with front hand grip, and the other end is flexibly connected with afterbody handle.Described afterbody handle is provided with the locating piece with locating hole, and described rule is through described locating hole.Between described front hand grip and back handle, by releasable buckle, connect.Described front hand grip is provided with one-level dop, and described back handle is provided with two-stage with upper chuck.
Embodiment
As depicted in figs. 1 and 2, the present embodiment discloses a kind of medical particle implanting device, comprises four assemblies, front hand grip assembly 1, back handle assembly 2, propelling movement assembly 3 and nut 4.As shown in Figure 3, front hand grip assembly 1 is comprised of outer tube 5, front hand grip 6 and rule 7.As shown in Figure 4, back handle assembly is connected with back handle 9 by inner tube 8; As shown in Figure 5, pushing assembly 3 is comprised of inner core 10, boost tube 11 and afterbody handle 12.Back handle 9 tail ends are made as claw type structure that can degree of tightness, claw type structural outer is provided with the screw thread coordinating with described tightening nut 4 and closes up 51, can by nut 4 screw with push-rod assembly 3 on boost tube 11 fixing, thereby guarantee that back handle assembly 2 and push-rod assembly 3 can be synchronized with the movement.On afterbody handle, have the locating piece 52 with locating hole 52a, rule 7 is through described locating hole 52a.By locating piece 52, can make afterbody handle 12 fixing with the rule 7 on front hand grip assembly 1, can guarantee that 2 motions of back handle assembly can not drive and then motion of push-rod assembly 3.As shown in Figure 6, inner tube 8 is comprised of metal needle 13, elastic connecting pipe 14 and the harder inner tube 15 of front end, and flexible material 14 internal diameters are less, and particle cannot freely pass through, and need under the propelling movement that pushes assembly 3, could pass through.In front hand grip 6, have dop 53, also have three grades of dops 54 on back handle 9, by the buckle on two handles, connected and can be pinned two handles, making it can not relative motion.In the time of need to unclamping, pin the tail end of front hand grip 6, can extract back handle out.Flexible material 14 internal diameter specific activity particle diameters are little, and particle cannot freely pass through, and need under the propelling movement that pushes assembly 3, just can strut flexible material, and particle is passed through.
As shown in Figure 7, in the present embodiment, outer tube 5 is embedded in inner tube 8, in the elastic connecting pipe 14 of inner tube 8 and harder inner tube 15, is filled with 4 particles 16, and the separator 17 harmless to tissue is set between each particle.The particle of least significant end promotes front end by inner core 10.
In metal needle 13 punctures, enter after tumor body, by afterbody handle 12, promoting inner core 10 pushes up particle in metal needle 13, then operate back handle 9 and withdraw inner tube 8, metal needle 13 is exited from tissue, in this process, inner core 10 keeps motionless always withstanding on particle 16, prevent that particle is along with the movement of inner tube 8 is taken out of tumor body, the separator 17 that previous like this particle has been stayed the ，Qie Bei rear portion, position at metal needle 13 places seals.A rear particle 16, in the process of inner tube 8 recession, has been stayed in elastic connecting pipe 14 naturally, prepares to implant next time.Certainly, in this process, skilled doctor can be according to the experience of separator 17 length is operated, and unskilled can passing through accurately controlled displacement according to rule 7.
The using method of particle implanting device of the present invention is:
Original state: metal needle contracts in outer tube, the packing material in push rod cup end in contact inner tube, pusher grip " 0 " position on rule.
A. lock nut, fixes push-rod assembly and back handle.
B. aim at pathological tissues, push back handle, metal needle will stretch out outer tube, and be punctured in tumor body, and in this process, back handle and afterbody handle are synchronized with the movement.
C. loosen nut, makes push-rod assembly and back handle separately.
D. promote push-rod assembly, make afterbody handle be advanced to scale " 1 " and locate, particle will be pushed out flexible material section, afterbody handle motion in this process of head of arrival metal needle, and back handle is motionless.
E. lock the locked position of humping section, push-rod assembly and front hand grip are fixed.
F. withdraw dop of back handle, metal needle is exited from tissue, in this process, push-rod assembly is locked in front hand grip, and along with syringe needle is released from tissue, push rod withstands particle always, and particle cannot be moved.Back handle motion in this process, afterbody handle is motionless.
G. unclamp the locked position on afterbody handle, make push-rod assembly and front hand grip separately.
H. lock nut, fixes push-rod assembly and back handle.
I. withdraw back handle and put in place, syringe needle is retracted in outer tube, get back to original state, completed the injection of primary particle.In this process, back handle and afterbody handle are synchronized with the movement.
J. repeat above step, can push out 2-5 particle.
The invention provides a kind of medical particle implanting device; method and the approach of this technical scheme of specific implementation are a lot; the above is only the preferred embodiment of the present invention; should be understood that; for those skilled in the art; under the premise without departing from the principles of the invention, can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.In the present embodiment not clear and definite each ingredient all available prior art realized.
Claims (5)
1. a medical particle implanting device, it is characterized in that, comprise successively the front hand grip assembly (1), the back handle assembly (2) that connect, push assembly (3), and the tightening nut (4) for back handle assembly (2) and propelling movement assembly (3) are connected and fixed;
Described front hand grip assembly (1) comprises interconnective outer tube (5) and front hand grip (6);
Described back handle assembly (2) comprises interconnective inner tube (8) and back handle (9), and described inner tube (8) embeds in outer tube (5), being partially submerged in front hand grip (6) of back handle (9);
Described propelling movement assembly (3) comprises inner core (10), boost tube (11) and the afterbody handle (12) connecting successively; Described inner core (10) is successively through inner tube (8), and described boost tube (11) is through described back handle (9);
Described inner tube (8) comprises syringe needle (13), elastic connecting pipe (14) and the interior tube body (15) connecting successively;
Described elastic connecting pipe (14) caliber is less than the caliber of syringe needle (13) and interior tube body (15), for resident described particle;
Described back handle (9) tail end is made as claw type structure that can degree of tightness, and claw type structural outer is provided with the external screw thread coordinating with described tightening nut (4).
2. a kind of medical particle implanting device according to claim 1, is characterized in that, comprises rule (7), and rule (7) one end is fixedly connected with front hand grip (6), and the other end is flexibly connected with afterbody handle (12).
3. a kind of medical particle implanting device according to claim 2, is characterized in that, described afterbody handle (12) is provided with the locating piece (52) with locating hole, and described rule (7) is through described locating hole.
4. a kind of medical particle implanting device according to claim 1 and 2, is characterized in that, between described front hand grip (6) and back handle (9), by releasable buckle, connects.
5. a kind of medical particle implanting device according to claim 4, is characterized in that, described front hand grip (6) is provided with one-level dop (53), and described back handle is provided with two-stage with upper chuck (54).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310005403.0A CN103007429B (en) | 2013-01-08 | 2013-01-08 | Medical particle implantation device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310005403.0A CN103007429B (en) | 2013-01-08 | 2013-01-08 | Medical particle implantation device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103007429A CN103007429A (en) | 2013-04-03 |
| CN103007429B true CN103007429B (en) | 2014-02-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310005403.0A Expired - Fee Related CN103007429B (en) | 2013-01-08 | 2013-01-08 | Medical particle implantation device |
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| Country | Link |
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| CN (1) | CN103007429B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114533295B (en) * | 2022-01-26 | 2022-11-11 | 湖南朗开医疗科技有限公司 | Lung auxiliary diagnosis device based on electromagnetic navigation |
| CN118286612A (en) * | 2023-01-05 | 2024-07-05 | 杭州大士科技有限公司 | Sleeve type needle pulling mechanism and use method thereof |
| CN115845280B (en) * | 2023-02-20 | 2023-05-02 | 深圳市飞梵实业有限公司 | Esophageal particle bracket particle mounting pen |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2007053823A2 (en) * | 2005-10-31 | 2007-05-10 | Biolucent, Inc. | Brachytherapy apparatus and methods of using same |
| US9272160B2 (en) * | 2010-08-20 | 2016-03-01 | Wake Forest University Health Sciences | Tethered and/or visually coded brachytherapy devices and related methods |
| CN202538075U (en) * | 2012-01-18 | 2012-11-21 | 南京微创医学科技有限公司 | Disposable long-distance injection needle under endoscope |
| CN202982916U (en) * | 2013-01-08 | 2013-06-12 | 吴伟 | Medical seed implantation device |
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- 2013-01-08 CN CN201310005403.0A patent/CN103007429B/en not_active Expired - Fee Related
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| Publication number | Publication date |
|---|---|
| CN103007429A (en) | 2013-04-03 |
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Address after: 210061 hi tech Industrial Development Zone, Pukou District, Jiangsu, hi tech Road, No. three, No. 10, No. Patentee after: Wu Wei Patentee after: Yang Lifan Patentee after: MICRO-TECH (NANJING) CO., LTD. Address before: 210061 hi tech Industrial Development Zone, Pukou District, Jiangsu, hi tech Road, No. three, No. 10, No. Patentee before: Wu Wei Patentee before: Yang Lifan Patentee before: Nanjing Micro-Tech Co., Ltd. |
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| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20170222 Address after: Riverside West Road Lucheng District of Wenzhou City, Zhejiang province 325000 East Building 1 Room 401 Patentee after: Wu Wei Patentee after: Yang Lifan Address before: 210061 hi tech Industrial Development Zone, Pukou District, Jiangsu, hi tech Road, No. three, No. 10, No. Patentee before: Wu Wei Patentee before: Yang Lifan Patentee before: MICRO-TECH (NANJING) CO., LTD. |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140226 Termination date: 20180108 |
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| CF01 | Termination of patent right due to non-payment of annual fee |