CN201807076U

CN201807076U - Slide-bar radioactive particle implanting gun

Info

Publication number: CN201807076U
Application number: CN2010202803524U
Authority: CN
Inventors: 柴云飞; 柴树德; 张国强; 柴非
Original assignee: Tianjin Tongrenhe Medical Science & Technology Co Ltd
Current assignee: Tianjin Tongrenhe Medical Science & Technology Co Ltd
Priority date: 2010-08-03
Filing date: 2010-08-03
Publication date: 2011-04-27
Anticipated expiration: 2020-08-03

Abstract

The utility model discloses a slide-bar radioactive particle implanting gun, which belongs to a holder for implanting radioactive particles into the human body. The implanting gun comprises a gun body and a handle, wherein a mounting groove is formed at the top of the gun body and used for mounting a particle cartridge, a positioning bolt and a spring are arranged on one side of the gun body, a connecting nipple of a puncture needle and a grab hook which is spaced from the connecting nipple and integrated with the gun body are arranged in the front of the upper portion of the gun body, a guide of a pushing rod communicated with the connecting nipple is formed at the back of the gun body, the rear end of a slide bar penetrating through the lower portion of the gun body longitudinally is connected with a handle upper block fixedly, the front end of the slide bar is fixedly connected with a notch-shaped form retainer, and a rack fixedly connected to the rear of the gun body penetrates through the handle upper block with a regulating knob. The slide-bar radioactive particle implanting gun with the design is a novel device for radioactive particle implantation and is simple in structure and better in stability during use, and single components of the implanting gun are easy to be machined.

Description

Slide bar type radioactive particle implanting gun

Technical field

This utility model relates to the support that is used for the active material implant into body, specifically is a kind of slide bar type radioactive particle implanting gun.

Background technology

Plantation radionuclide in the tumor ¹²⁵The I particle is a kind of novel Therapeutic Method, because of its prolonged exposure makes death of neoplastic cells, and normal surrounding tissue influence is obviously become to subtracting, and complication has seldom fully represented status and effect in clinical practice.

Chinese patent 1846804 discloses " a kind of radiotherapeutic particle implanting gun ", comprises rifle body, handle, can insert particle storehouse in the rifle body and implant needle, push rod, and said rifle body is made of particle storehouse seat, front and rear cover plate, implant needle buckle and pusher catheter; Be perforation in the middle of the said implant needle, the hole of afterbody is tapered, matches with pusher catheter; The storage particle folder that said particle storehouse comprises housing, the intravital spring of shell and push rod, is spirally connected with housing, wherein push rod can push up to bottom land at the storage tank of the effect lower edge of spring storage particle folder, on the nearly bottom land of particle folder, have through hole, push rod can pass this through hole along pusher catheter the particle in the particle folder is stretched out outside the implant needle always, implants patient's focus.The present invention has simple in structure, characteristics easy to use, but one-time continuous is loaded onto particle, also can release continuously when human body is implanted, and it is convenient to change the particle storehouse, and a formality can be implanted up to a hundred radioactive particles to patient.

Chinese patent 201426919 discloses a kind of " rifle formula radioactive particle implanting device ", it comprises through the top mounting groove inserts the rifle body that presss from both sides in conjunction with particle, corresponding respectively puncture needle grafting nipple and the pusher catheter that is formed on both sides, rifle body front and back, the nipple side of rifle body is integrally formed to keep the grapple of certain distance with the grafting nipple, and the handle of being convenient to patient's gripping, and form in rifle body bottom with the grafting nipple through hole parallel with pusher catheter in, it is the template base that upwards forms gap that one end is set, the other end forms handle, external being provided with of rifle regulated the rifle body at the enterprising knob that moves back of location tooth bar, and by detent mechanism location tooth bar.She Ji this utility model is regulated the rifle body tooth bar is enterprising in the location through knob and moves back like this, can control the puncture needle withdraw of the needle that is installed on the rifle body more accurately and implant radioactive particle, and operation accurately, and is safe and reliable.

But the rifle body in the above-mentioned radioactive particle implanting device is to move with the location tooth bar, and stability is poor slightly; The lance body structure complexity of hexahedron structure, rifle body list product difficulty of processing is big.

Summary of the invention

This utility model is exactly to move on the tooth bar of location in order to solve the rifle body, stability is poor slightly, and the rifle body of hexahedron structure, the individual construction complexity, problems such as difficulty of processing is big, and providing a kind of rifle body on slide bar, to move, stability is better, and single-piece work is easy to slide bar type radioactive particle implanting gun.

This utility model by following technology side by realizing.

A kind of slide bar type radioactive particle implanting gun, the rifle body top that comprises hexahedral shape is formed with the mounting groove that storage particle folder is installed, rifle body one sidewall is provided with bolt and spring, rifle body upper front the grafting nipple of puncture needle is set and keep certain distance with the grafting nipple and with the grapple of rifle body disjunctor, at the conduit of rifle body upper back formation with the push rod of grafting nipple UNICOM, be convenient to the handle that the patient grips, and fore-and-aft direction runs through the upper mass of the affixed handle in slide bar rear end of rifle body bottom, the affixed gap shape of front end template rivet holder; The affixed tooth bar in back, rifle body bottom runs through the handle upper mass with adjusting knob.

She Ji this utility model is simple in structure like this, and single workpiece handling ease has more stability in the use, and knob places handle top, is convenient to rotation and regulates, and mobile rifle body is for the radioactive particle implantation provides novel device.

Description of drawings

Fig. 1 is a perspective view of the present utility model;

Fig. 2 is the perspective view of user mode of the present utility model;

Fig. 3 is a rifle body leading flank planar structure sketch map of the present utility model;

Fig. 4 is a rifle body vertical profile side-looking structural representation of the present utility model;

Fig. 5 is this utility model handle portion vertical profile side-looking structural representation.

Among the figure: 1. rifle body 2. storage particles press from both sides

3. mounting groove 4. bolts

5. grafting nipple 6. conduits

7. grapple 8. handles

9. tooth bar 10. slide bars

11. template rivet holder 12. adjusting knobs

13. through hole 14. springs

15. puncture needle 16. push rods

17. gear 18. circular holes

19. upper mass 20. rack bore.

The specific embodiment

Below in conjunction with drawings and Examples this utility model is elaborated.

A kind of slide bar type radioactive particle implanting gun, rifle body 1 top that comprises hexahedral shape is formed with the mounting groove 3 that storage particle folder 2 is installed, rifle body 1 one sidewalls are provided with bolt 4 and spring 14, rifle body 1 upper front the grafting nipple 5 of puncture needle 15 is set and keep certain distances with grafting nipple 5 and with the grapple 7 of rifle body 1 disjunctor, at the conduit 6 of rifle body 3 upper back formation with the push rod 16 of grafting nipple 5 UNICOMs, be convenient to the handle 8 that the patient grips, and fore-and-aft direction runs through the upper mass 19 of the affixed handle 8 in slide bar 10 rear ends of rifle body 1 bottom, the affixed template rivet holder 11 of going up gap of front end; The affixed tooth bar 9 in back, rifle body 1 bottom runs through the handle upper mass 19 with adjusting knob 12.

Described template rivet holder 11 forms " recessed " font, implants template (not shown) with radioactive particle when easy to use and is used in combination.

The slide bar 10 that described slide bar type radioactive particle implanting gun, its fore-and-aft direction run through rifle body 1 bottom is at a certain distance in same level 2 formations arranged side by side.

Described slide bar type radioactive particle implanting gun, its slide bar 10 are to connect the same level in rifle body 1 bottom through hole 13 arranged side by side by fore-and-aft direction to run through, and slide bar 10 is slidingly matched with through hole 13.

Described slide bar type radioactive particle implanting gun, its tooth bar 9 and be meshing with each other with adjusting knob 12 co-axial gears 17.

The upper mass 19 of handle 8 is horizontal hexahedron, and front and back connect rack bore 20, one sides and are provided with adjusting knob 12.Handle 8 bottoms are tabular, and the circular hole 18 that the lower end forms is in order to alleviate handle weight.

Described slide bar type radioactive particle implanting gun, the conduit 6 of the push rod 16 of itself and grafting nipple 5 UNICOMs, the affixed tooth bar 9 of slide bar 10 that runs through rifle body 1 bottom and affixed handle upper mass 19 and rifle body 1 bottom be arranged in parallel from top to bottom successively.

Described slide bar type radioactive particle implanting gun, this implanting device adopt stainless steel material to be processed into.

During use, the storage ion folder 2 of radioactive particle is filled out in installation in advance in the rifle body 1 top mounting groove 3 of hexahedral shape, and fixes through elasticity bolt 14.The template rivet holder 11 of gap props up locating template (not shown) on slide bar 10 front ends, and the pintle half-twist of puncture needle 15 is stuck in the grapple 7, prevents that puncture needle from coming off.Puncture needle 15 punctures into the tumor body, push rod 16 is inserted along conduit 6, and release 1 piece of radioactive particle storing 2 li on particle folder in the rifle body 1, enters tumor tissues.Adjusting knob 12 turns clockwise, driving rifle body 1 by the tooth bar 9 with gear 17 engagements retreats along slide bar 10, simultaneously, rifle body 1 drives puncture needle 15 and retreats distance to a declared goal, and the push rod 16 that withdraws from repeats to push, implant second piece of particle, according to state of an illness needs, rotation adjusting knob 12 in limit withdraws from puncture needle 15, next piece radioactive particle is implanted on the limit, until finishing treatment.

Claims

1. slide bar type radioactive particle implanting gun, rifle body (1) top that comprises hexahedral shape is formed with the mounting groove (3) that storage particle folder (2) is installed, rifle body (1) one sidewall is provided with bolt (4) and spring (14), rifle body (1) upper front the grafting nipple (5) of puncture needle (15) is set and keep certain distance with grafting nipple (5) and with the grapple (7) of rifle body (1) disjunctor, at the conduit (6) of rifle body (1) upper back formation with the push rod (16) of grafting nipple (5) UNICOM, be convenient to the handle (8) that the patient grips, it is characterized in that: fore-and-aft direction runs through the upper mass (19) of the affixed handle in slide bar (10) rear end (8) of rifle body (1) bottom, and the affixed template rivet holder (11) of going up gap of front end; The affixed tooth bar (9) in rifle body (1) back, bottom runs through the have adjusting knob handle upper mass (19) of (12).

2. slide bar type radioactive particle implanting gun according to claim 1 is characterized in that: the slide bar (10) that fore-and-aft direction runs through rifle body (1) bottom is at a certain distance in same level 2 formations arranged side by side.

3. slide bar type radioactive particle implanting gun according to claim 2 is characterized in that: slide bar (10) is to connect the same level in rifle body (1) bottom through hole (13) arranged side by side by fore-and-aft direction to run through.

4. slide bar type radioactive particle implanting gun according to claim 1 is characterized in that: tooth bar (9) and be meshing with each other with the co-axial gear of adjusting knob (12) (17).

5. slide bar type radioactive particle implanting gun according to claim 1 is characterized in that: the tooth bar (9) affixed with the conduit (6) of grafting nipple (5) UNICOM, the slide bar (10) that runs through rifle body (1) bottom and affixed handle upper mass (19) and rifle body (1) bottom be arranged in parallel from top to bottom successively.

6. slide bar type radioactive particle implanting gun according to claim 1 is characterized in that: this implanting device adopts stainless steel material to be processed into.