CN202982916U - Medical seed implantation device - Google Patents
Medical seed implantation device Download PDFInfo
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- CN202982916U CN202982916U CN 201320008454 CN201320008454U CN202982916U CN 202982916 U CN202982916 U CN 202982916U CN 201320008454 CN201320008454 CN 201320008454 CN 201320008454 U CN201320008454 U CN 201320008454U CN 202982916 U CN202982916 U CN 202982916U
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- back handle
- assembly
- handle
- hand grip
- inner tube
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Abstract
The utility model discloses a medical seed implantation device. The medical seed implantation device comprises a front handle assembly, a rear handle assembly, a pushing assembly and a locking nut which is used for connecting and fixing the rear handle assembly and the pushing assembly, the front handle assembly comprises an outer tube and a front handle which are connected with each other, the rear handle assembly comprises an inner tube and a rear handle which are connected with each other, the inner tube is embedded in the outer tube, the part of the rear handle is embedded in the front handle, the pushing assembly comprises an inner core, a boosting tube and a tail handle which are sequentially connected, the inner core sequentially penetrates through the inner tube, the booting tube penetrates through the rear handle, the inner tube comprises a needle head, an elastic connecting pipe and an inner tube body which are sequentially connected, the pipe diameter of the elastic connecting pipe is less than that of the needle head and the inner tube body and is used for remaining seeds, the tail end of the rear handle is of an elastic claw-shaped structure, and the exterior of the claw-shaped structure is provided with an external thread matched with the locking nut.
Description
Technical field
This utility model relates to technical field of medical instruments, particularly medical particle implanting device under a kind of scope.
Background technology
Use radioactive particle or particle chemical therapy to carry out interventional therapy by endoscope, directly with radioactive particle or radiotherapy particle intratumor injection, have good effect for the treatment of local tumor.
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 is packed into from handle end, after the syringe needle puncture enters the tumor body, push at particle back use push rod, particle is sent into the tumor body, if need to inject second particle, need to extract push rod out Handleset, the particle of packing in the push rod front pushes again, because of the stroke of push rod longer, affect the speed of operation quality and operation, increased the misery of sufferer.
The utility model content
The utility model purpose: technical problem to be solved in the utility model is for implanting continuously the deficiency of particle in prior art, a kind of medical particle implanting device being provided.
In order to solve the problems of the technologies described above, the utility model discloses a kind of medical particle implanting device, comprise the back handle assembly, described back handle assembly comprises interconnective inner tube and back handle, and described inner tube comprises syringe needle, elastic connecting pipe and the interior tube body that connects successively; Described elastic connecting pipe caliber is used for resident described particle less than the caliber of syringe needle and interior tube body.
This utility model also comprises front hand grip assembly, the propelling movement assembly that connects respectively the back handle assembly, and is used for the back handle assembly and pushes the tightening nut that assembly is connected and fixed.Described front hand grip assembly comprises interconnective outer tube and front hand grip; 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 that connects successively; Described inner core passes inner tube successively, and described boost tube passes described back handle; But described back handle tail end is made as the claw type structure of degree of tightness, and the claw type structural outer is provided with the external screw thread that coordinates with described tightening nut.
In this utility model, comprise rule, rule one end is fixedly connected with front hand grip, and the other end and afterbody handle are flexibly connected.
In this utility model, described afterbody handle is provided with the locating piece with locating hole, and described rule passes described locating hole.
In this utility model, connect by releasable buckle between described front hand grip and back handle.
In this utility model, described front hand grip is provided with the one-level dop, and described back handle is provided with two-stage with upper chuck.
This utility model can be in interior tube body disposable 5 ~ 10 particles of can packing into, particle can be discharged one by one through elastic connecting pipe; Specially designed handle can guarantee to withdraw from the process of tumor body at metal needle, and particle is fixed motionless; Whether can observe intuitively particle by the design of handle is discharged fully.
By adding one section elastic connecting pipe in the middle of syringe needle and interior tube body, the elastic connecting pipe internal diameter less than particle diameter also less than the caliber of syringe needle and interior tube body, the interior tube body of a plurality of particles can being packed in advance together 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 discharge the quantity of particle by the afterbody handle, and before solving, the pushrod movement stroke is long and operation time that cause lengthens, and reduces patient's misery.Simultaneously only need the disposable particle of putting into of doctor, reduced the danger that the doctor is polluted by radioactive particle.
The particle implanting device is in withdrawing from the process of syringe needle from the tumor body, push rod moves in the time of can withstanding the particle difference, the particle that reduction is implanted is taken out of the tumor body in syringe needle withdraws from an organization process risk.
Beneficial effect: a kind of medical particle implanting device of the present utility model, structure is ingenious, can be in advance with 5 ~ 10 particle disposable packing into, by push rod, these particles were pushed the 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 the doctor and placed contaminated risk in the particle process; Custom-designed handle can be controlled in the process that syringe needle withdraws from the tumor body by the operation of this handle, and particle can not move, and guarantees that particle can not taken out of the tumor body in withdrawing from the process of inner tube; Whether handle is marked with graduation mark, can observe intuitively particle and be discharged fully.
Description of drawings
Below in conjunction with the drawings and specific embodiments, this utility model is done further illustrating, above-mentioned and/or otherwise advantage of the present utility model will become apparent.
Fig. 1 is the outside population structure schematic diagram of this utility model.
Fig. 2 is internal structure schematic diagram of the present utility model.
Fig. 3 is this utility model front hand grip modular construction schematic diagram.
Fig. 4 is this utility model back handle modular construction schematic diagram.
Fig. 5 is propelling movement modular construction schematic diagram of the present utility model.
Fig. 6 is this utility model inner tube front-end architecture schematic diagram.
This utility model schematic diagram after particle of packing into during Fig. 7.
The specific embodiment
The utility model 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 be used for the back handle assembly and push the tightening nut that assembly is 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 that connects successively; Described inner core passes inner tube successively, and described boost tube passes described back handle; Described inner tube comprises syringe needle, elastic connecting pipe and the interior tube body that connects successively; Described elastic connecting pipe caliber is used for resident described particle less than the caliber of syringe needle and interior tube body; But described back handle tail end is made as the claw type structure of degree of tightness, and the claw type structural outer is provided with the external screw thread that coordinates 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 and afterbody handle are flexibly connected.Described afterbody handle is provided with the locating piece with locating hole, and described rule passes described locating hole.Connect by releasable buckle between described front hand grip and back handle.Described front hand grip is provided with the 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, the back handle assembly is connected connection with back handle 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.But back handle 9 tail ends are made as the claw type structure of degree of tightness, the claw type structural outer is provided with the screw thread that coordinates 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.Locating piece 52 with locating hole 52a is arranged on the afterbody handle, and rule 7 passes described locating hole 52a.Can make afterbody handle 12 fixing with the rule 7 on front hand grip assembly 1 by locating piece 52, 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 can't freely pass through, and need to could pass through under the propelling movement that pushes assembly 3.Dop 53 is arranged on front hand grip 6, three grades of dops 54 are also arranged on back handle 9, connect by the buckle on two handles and can pin 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 can't freely pass through, and need to just can strut flexible material under the propelling movement that pushes assembly 3, make particle pass through.
As shown in Figure 7, in the present embodiment, outer tube 5 is embedded in inner tube 8, is filled with 4 particles 16 in the elastic connecting pipe 14 of inner tube 8 and harder inner tube 15, 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.
After metal needle 13 punctures enter the tumor body, promoting inner core 10 by afterbody handle 12 pushes up particle in metal needle 13, then operate back handle 9 and withdraw inner tube 8, make metal needle 13 withdraw from from tissue, inner core 10 keeps motionless always withstanding on particle 16 in this process, prevent particle along with the movement of inner tube 8 is taken out of the tumor body, previous like this particle has been stayed the position at metal needle 13 places, and the separator 17 at rear rear portion seals.A rear particle 16 has been stayed in elastic connecting pipe 14 in the process of inner tube 8 recession naturally, prepares to implant next time.Certainly, in this process, skilled doctor can operate according to the experience to separator 17 length, and unskilled can passing through accurately controlled displacement according to rule 7.
The using method of particle implanting device of the present utility model is:
Original state: metal needle contracts in outer tube, the packing material in push rod cup end in contact inner tube, and pusher grip is in " 0 " position on rule.
A. lock nut, make push-rod assembly and back handle fix.
B. aim at pathological tissues, push back handle, metal needle will stretch out outer tube, and be punctured in the tumor body that in this process, back handle and afterbody handle are synchronized with the movement.
C. loosen nut, make push-rod assembly and back handle separately.
D. promote push-rod assembly, make the afterbody handle be advanced to scale " 1 " and locate, particle will be pushed out the 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, make push-rod assembly and front hand grip fix.
F. withdraw dop of back handle, make metal needle withdraw from from tissue, in this process, push-rod assembly is locked on front hand grip, and along with syringe needle is released from tissue, push rod withstands particle always, makes particle to move.Back handle motion in this process, the afterbody handle is motionless.
G. unclamp the locked position on the afterbody handle, make push-rod assembly and front hand grip separately.
H. lock nut, make push-rod assembly and back handle fix.
I. withdraw back handle and put in place, make syringe needle be 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.
This utility model 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 preferred implementation of the present utility model; should be understood that; for those skilled in the art; under the prerequisite that does not break away from this utility model principle, can also make some improvements and modifications, these improvements and modifications also should be considered as protection domain of the present utility model.In the present embodiment not clear and definite each ingredient all available prior art realized.
Claims (6)
1. medical particle implanting device, comprise back handle assembly (2), described back handle assembly (2) comprises interconnective inner tube (8) and back handle (9), it is characterized in that, described inner tube (8) comprises syringe needle (13), elastic connecting pipe (14) and the interior tube body (15) that connects successively; Described elastic connecting pipe (14) caliber is used for resident described particle less than the caliber of syringe needle (13) and interior tube body (15).
2. a kind of medical particle implanting device according to claim 1, it is characterized in that, comprise connecting respectively back handle assembly (2), front hand grip assembly (1) and propelling movement assembly (3), and be used for back handle assembly (2) and push the tightening nut (4) that assembly (3) is 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) that connects successively; Described inner core (10) passes inner tube (8) successively, and described boost tube (11) passes described back handle (9);
Described back handle (9) but tail end is made as the claw type structure of degree of tightness, the claw type structural outer is provided with the external screw thread that coordinates with described tightening nut (4);
Described inner tube (8) embeds in outer tube (5), being partially submerged in front hand grip (6) of back handle (9).
3. a kind of medical particle implanting device according to claim 2, is characterized in that, comprises rule (7), and rule (7) one ends are fixedly connected with front hand grip (6), and the other end and afterbody handle (12) are flexibly connected.
4. a kind of medical particle implanting device according to claim 3, is characterized in that, described afterbody handle (12) is provided with the locating piece (52) with locating hole, and described rule (7) passes described locating hole.
5. according to claim 2 or 3 described a kind of medical particle implanting device, is characterized in that, connects by releasable buckle between described front hand grip (6) and back handle (9).
6. a kind of medical particle implanting device according to claim 5, is characterized in that, described releasable buckle connects and comprises that the two-stage that arranges on the upper one-level dop (53) that arranges of front hand grip (6) and back handle is with upper chuck (54).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320008454 CN202982916U (en) | 2013-01-08 | 2013-01-08 | Medical seed implantation device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320008454 CN202982916U (en) | 2013-01-08 | 2013-01-08 | Medical seed implantation device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202982916U true CN202982916U (en) | 2013-06-12 |
Family
ID=48554149
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320008454 Withdrawn - After Issue CN202982916U (en) | 2013-01-08 | 2013-01-08 | Medical seed implantation device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202982916U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103007429A (en) * | 2013-01-08 | 2013-04-03 | 吴伟 | Medical particle implantation device |
| CN108837296A (en) * | 2018-07-17 | 2018-11-20 | 哈尔滨理工大学 | A kind of extension type radioactive particle implanter |
-
2013
- 2013-01-08 CN CN 201320008454 patent/CN202982916U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103007429A (en) * | 2013-01-08 | 2013-04-03 | 吴伟 | Medical particle implantation device |
| CN108837296A (en) * | 2018-07-17 | 2018-11-20 | 哈尔滨理工大学 | A kind of extension type radioactive particle implanter |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20130612 Effective date of abandoning: 20140226 |
|
| RGAV | Abandon patent right to avoid regrant |