CN210249775U

CN210249775U - Length-adjustable endoscopic injection needle for endoscope

Info

Publication number: CN210249775U
Application number: CN201920843120.6U
Authority: CN
Inventors: 杜金德; 谢建青; 冯继勇
Original assignee: Jiangsu Ate Medical Technology Co ltd
Current assignee: Jiangsu Ate Medical Technology Co ltd
Priority date: 2019-06-05
Filing date: 2019-06-05
Publication date: 2020-04-07
Anticipated expiration: 2029-06-05

Abstract

The utility model discloses a length-adjustable endoscopic injection needle for endoscopes, which solves the problems that the extension length of a needle head is difficult to control and the effective fixation is not provided when the depth of the needle is adjusted, and comprises a handle, wherein a joint is fixed at the front end of the handle, an outer tube is fixed at the front end of the joint, a guider is fixed at one side outside the outer tube, a cavity is arranged inside the handle, a tube sleeve is fixed between the interiors of the cavities, an inner tube is fixed at one side outside the tube sleeve through the cavity, a needle head is fixed at one side outside the inner tube by penetrating through the guider, an adjusting component is fixed between the tube sleeve and the handle, and a fixing component is fixed at one side outside the handle, the utility model has novel structure and ingenious conception, can effectively control the extension length of the needle head in the guider by the adjusting component, is convenient for doctors to control the injection, facilitating needle access to the target area.

Description

Length-adjustable endoscopic injection needle for endoscope

Technical Field

The utility model relates to the technical field of medical equipment, specifically a length-adjustable endoscopic injection needle for endoscope.

Background

The endoscope is a method for peeping the deep cavity of human body, the existing medical personnel can observe the patient through the ocular by extending the head part and the catheter part of the equipment into the body of the patient, meanwhile, the endoscope is also provided with auxiliary equipment which can sample in real time while observing, treating or operating, and the like, the injection needle is one of the most important components in the endoscope treatment and is used for injecting liquid medicine to the cavity tissue in the clinical process, the existing endoscope injection needle is used for injecting according to the actual target area, the length of the needle head of the injection needle is not easy to control and adjust the length of the extension and retraction, and no relative fixed structure exists, when injecting, the injection pressure can force the needle head to retreat, thereby the needle head is easy to be drawn out from the target part, and the liquid medicine is lost.

Therefore, how to design a length-adjustable endoscopic injection needle for an endoscope becomes a problem to be solved currently.

SUMMERY OF THE UTILITY MODEL

To the above situation, for overcoming prior art's defect, the utility model provides a scope syringe needle with adjustable length for endoscope, the effectual current scope syringe needle of having solved, the flexible length of syringe needle is wayward, when adjusting the depth of needle insertion, does not provide effective fixed problem.

In order to achieve the above object, the utility model provides a following technical scheme: the multifunctional electric wrench is characterized by comprising a handle, a connector is fixed to the front end of the handle, an outer tube is fixed to the front end of the connector, a guider is fixed to one side of the outer portion of the outer tube, a cavity is formed in the handle, a tube sleeve is fixed between the inner portion of the cavity, an inner tube is fixed to one side of the outer portion of the tube sleeve through the cavity, a needle is fixed to one side of the outer portion of the inner tube through the guider, an adjusting assembly is fixed between the tube sleeve and the.

Preferably, the adjusting component comprises a limiting groove, a sliding block, a rack, a gear and a movable bolt, the limiting groove is fixed on one side of the top end of the handle, the sliding groove is fixed at the bottom end of the cavity, the sliding block is fixed between the top end of the sliding groove and the bottom end of the pipe sleeve, the rack is fixed at the top end of the pipe sleeve, the gear is meshed with the top end of the rack at the inner side of the limiting groove, and the movable bolt is fixed between the middle part of the gear.

Preferably, the fixing assembly comprises a screw hole, a screw rod, a rotating button and a limiting hole, the screw hole is formed in one side of the outer portion of the handle, the screw rod is connected to the inner side of the screw hole, the rotating button is fixed to one side of the outer portion of the screw rod, and the limiting hole is formed in one side, located outside the screw rod, of the pipe sleeve.

Preferably, the screw rod and the screw hole are in threaded movement, and lubricating oil is filled between the screw rod and the screw hole.

Preferably, the guider is an arc metal guider, and the inner diameter of the smallest end of the guider is slightly larger than the outer diameter of the needle head.

Preferably, one side of the outer part of the pipe sleeve is connected with an injector, and the inner side of the pipe sleeve is provided with a flow guide pipeline.

The utility model discloses novel structure thinks about ingeniously, through the flexible length of adjusting part syringe needle in can effectual control director, makes things convenient for doctor control syringe needle to treat, can fix the length of syringe needle through fixed subassembly, and the syringe needle of being convenient for gets into target area.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

FIG. 1 is a schematic view of the overall structure of the present invention;

fig. 2 is a schematic view of the rack mounting of the present invention;

FIG. 3 is a schematic view of the screw hole installation of the present invention;

reference numbers in the figures: 1. a handle; 2. a joint; 3. an outer tube; 4. a guide; 5. a cavity; 6. pipe sleeve; 7. an inner tube; 8. a needle head; 9. an adjustment assembly; 10. a limiting groove; 11. a chute; 12. a slider; 13. a rack; 14. a gear; 15. a movable bolt; 16. a fixing assembly; 17. a screw hole; 18. a screw; 19. a rotation knob; 20. and a limiting hole.

Detailed Description

The following describes the present invention in further detail with reference to the accompanying fig. 1-3.

In the first embodiment, as shown in fig. 1, 2 and 3, the utility model comprises a connector 2 fixed at the front end of a handle 1, a needle target of a syringe needle is controlled by the handle 1, an outer tube 3 fixed at the front end of the connector 2, a needle 8 is sent to the interior of the patient body by the cooperation of the outer tube 3, a guider 4 fixed at one side of the outer tube 3 guides the needle 8 to extend out through the guider 4, a cavity 5 is formed in the handle 1, the cavity 5 is adopted to facilitate the movement of a tube sleeve 6, a tube sleeve 6 is fixed between the cavities 5, the tube sleeve 6 is connected with an inner tube 7 to facilitate the medicine liquid to enter the needle 8 for administration, an inner tube 7 fixed at one side of the outer part of the tube 6 through the cavity 5 is adopted to convey the medicine liquid, a needle 8 is fixed at one side of the outer part of the inner tube 7 through the guider 4, the needle target position is injected to the patient by, a fixed component 16 is fixed on one side of the outer part of the handle 1.

In the second embodiment, based on the first embodiment, as shown in fig. 2, the adjusting assembly 9 includes a limiting groove 10, a sliding groove 11, a sliding block 12, a rack 13, a gear 14 and a movable bolt 15, the limiting groove 10 is fixed on one side of the top end of the handle 1, the sliding groove 11 is fixed on the bottom end of the cavity 5, the sliding block 12 is fixed between the top end of the sliding groove 11 and the bottom end of the pipe sleeve 6, the rack 13 is fixed on the top end of the pipe sleeve 6, the gear 14 is engaged with the top end of the rack 13 located inside the limiting groove 10, the movable bolt 15 is fixed between the middle of the gear 14 and the inside of the limiting groove 10, and the length of the needle 8 extending out of the guide 4 can be adjusted by the adjusting assembly 9, so that a.

In the third embodiment, based on the first embodiment, as shown in fig. 3, the fixing component 16 includes a screw hole 17, a screw rod 18, a rotating button 19 and a limiting hole 20, the screw hole 17 is formed on one side of the outer portion of the handle 1, the screw rod 18 is connected to the inner side of the screw hole 17, the rotating button 19 is fixed on one side of the outer portion of the screw rod 18, the limiting hole 20 is formed on one side of the outer portion of the screw rod 18 of the sleeve 6, and the needle head 8 can be fixed through the fixing component 16, so that the needle head 8 cannot be scratched out of a target portion.

In the fourth embodiment, on the basis of the first embodiment, the screw 18 and the screw hole 17 are in threaded movement, lubricating oil is filled between the screw 18 and the screw hole 17, the lubricating oil facilitates the movement of the screw 18 in the screw hole 17, and the pipe sleeve 6 is conveniently fixed through the threaded movement.

Fifth embodiment, on the basis of the first embodiment, the guide 4 is an arc metal guide, the inner diameter of the minimum end of the guide 4 is slightly larger than the outer diameter of the needle 8, the arc metal guide can prevent the excessive needling effect, and the inner diameter of the minimum end of the guide 4 is slightly larger than the needle 8, so that the needle 8 can be prevented from being too long.

In the sixth embodiment, on the basis of the first embodiment, a syringe is connected to one side of the outer portion of the tube sleeve 6, a guide pipe is disposed on the inner side of the tube sleeve 6, the syringe can inject the liquid medicine into the tube sleeve 6, and the guide pipe in the tube sleeve 6 sends the liquid medicine into the inner tube 7.

The working principle is as follows: when the utility model is used, a doctor inserts the injection needle through the working channel of the endoscope until the injection needle is visible under the endoscope when the injection needle needs to be used, the needle head 8 of the injection needle is completely withdrawn, after the guider 4 is moved to a target area through the handle 1 and the outer tube 3, the screw rod 18 at one side of the outer part is driven by rotating the rotary button 19, the screw rod 18 comes out from the screw hole 17 at one side of the handle 1, thereby after the screw rod 18 leaves from the limit hole 20 arranged on the pipe sleeve 6, the gear 14 is pushed by fingers to rotate forwards, the gear 14 rotates the rack 13 between the top ends of the meshing pipe sleeve 6 through the movable bolt 15, the pipe sleeve 6 can move towards the cavity 5 through the rack 13, the sliding chute 11 and the sliding block 12 fixed between the bottom end of the pipe sleeve 6 and the top end of the cavity 5 can move in a sliding way, thereby facilitating the doctor to push the gear 14 to drive the pipe sleeve 6 to move, the, therefore, the needle 8 at one end of the inner tube 7 slowly extends out of the orifice of the guide 4, when the needle 8 extends out to a proper length according to the actual internal situation, the rotating button 19 is rotated in the opposite direction, the screw 18 enters the cavity 5 through the screw hole 17 to be matched with the limiting hole 20 of the pipe sleeve 6, the pipe sleeve 6 is fixed, a doctor controls the needle 8 on the guide 4 to prick a target area through the handle 1, the injection of liquid medicine is completed, the guide 4 can effectively control the guide of the needle 8, and the accidental situation caused by over-deep needle prick or pipe sheath follow-up is prevented during the needle prick action.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides an endoscopic injection needle with adjustable length for endoscope, includes handle (1), its characterized in that: handle (1) front end is fixed with joint (2), joint (2) front end is fixed with outer tube (3), outer tube (3) outside one side is fixed with director (4), cavity (5) have been seted up to handle (1) inside, be fixed with pipe box (6) between cavity (5) inside, pipe box (6) outside one side is fixed with inner tube (7) through cavity (5), inner tube (7) outside one side is run through director (4) and is fixed with syringe needle (8), be fixed with between pipe box (6) and handle (1) adjusting part (9), handle (1) outside one side is fixed with fixed subassembly (16).

2. An endoscopic injection needle with an adjustable length according to claim 1, wherein: adjusting part (9) are including spacing groove (10), spout (11), slider (12), rack (13), gear (14) and activity bolt (15), handle (1) top one side is fixed with spacing groove (10), cavity (5) bottom mounting has spout (11), be fixed with slider (12) between spout (11) top and pipe box (6) bottom, pipe box (6) top is fixed with rack (13), rack (13) top is located spacing groove (10) inboard meshing has gear (14), be fixed with activity bolt (15) between gear (14) middle part and spacing groove (10) inboard.

3. An endoscopic injection needle with an adjustable length according to claim 1, wherein: fixed subassembly (16) include screw (17), screw rod (18), knob (19) and spacing hole (20), screw (17) have been seted up to handle (1) outside one side, and screw (17) inboard is connected with screw rod (18), and screw rod (18) outside one side is fixed with knob (19), and pipe box (6) are located screw rod (18) outside one side and have been seted up spacing hole (20).

4. An endoscopic injection needle with an adjustable length according to claim 3, wherein: the screw rod (18) and the screw hole (17) are in threaded movement, and lubricating oil is filled between the screw rod (18) and the screw hole (17).

5. An endoscopic injection needle with an adjustable length according to claim 1, wherein: the guider (4) is an arc metal guider, and the inner diameter of the minimum end of the guider (4) is slightly larger than the outer diameter of the needle head (8).

6. An endoscopic injection needle with an adjustable length according to claim 1, wherein: one side of the outer part of the pipe sleeve (6) is connected with an injector, and the inner side of the pipe sleeve (6) is provided with a flow guide pipeline.