CN210583282U

CN210583282U - Multifunctional injection needle for endoscope

Info

Publication number: CN210583282U
Application number: CN201920843095.1U
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: 2020-05-22
Anticipated expiration: 2029-06-05

Abstract

The utility model discloses a multi-functional syringe needle for endoscope, including the cylinder, the bottom of cylinder connects soon and is fixed with degree of depth adjustment mechanism, degree of depth adjustment mechanism's bottom grafting is fixed with the tube sheath, the internally mounted of tube sheath has the inner tube with the cylinder intercommunication, the top grafting of inner tube is fixed with the syringe needle, degree of depth adjustment mechanism's outside one side connects soon and is fixed with the fixer. The utility model discloses novel structure not only can the effectual depth of insertion who guarantees the accurate control syringe needle, can prevent moreover that the in-process syringe needle of injection from dialling out or further inserting from the position tissue of injection, and the effectual prevention causes the secondary painful to the patient.

Description

Multifunctional injection needle for endoscope

Technical Field

The utility model relates to the technical field of medical equipment, specifically a multi-functional syringe needle for endoscope.

Background

The disposable varicose vein injection needle manufactured by wilson-couk medical company was approved by the FDA for use in the us on the market in 2003, and the FDA approval document is 876.1500. Since the introduction of a disposable varicose injection needle produced by wilson-cuke medical company into the chinese market in 2011, the disposable varicose injection needle is widely applied nationwide, and has a good clinical effect. Since the 80 s of the last century, the endoscope technology is applied to the clinical treatment of digestive tract diseases, and the endoscopic technology is improved day by day through the long-term development, and the endoscopic treatment becomes one of the important means for treating the digestive tract diseases. The under-mirror injection treatment technology is more accepted by more and more digestive tract disease patients due to the advantages of minimally invasive operation and direct medicine injection at the affected part, and has more remarkable effect particularly when the upper gastrointestinal hemorrhage is treated.

The current injection needles do not allow precise control of the depth of insertion of the needle. Therefore, it is necessary to design a multi-functional injection needle for an endoscope.

SUMMERY OF THE UTILITY MODEL

To the above situation, for overcoming prior art's defect, the utility model provides an endoscope is with multi-functional syringe needle, this syringe needle not only can effectually guarantee the depth of insertion of accurate control syringe needle, can prevent moreover that the in-process syringe needle of injection from organizing to dial out or further insert from the position of injection, and the effectual prevention has caused the secondary misery to the patient.

In order to achieve the above object, the utility model provides a following technical scheme: a multifunctional injection needle for an endoscope comprises a needle cylinder, wherein the bottom of the needle cylinder is fixedly screwed with a depth adjusting mechanism, the bottom end of the depth adjusting mechanism is fixedly inserted with a tube sheath, an inner tube communicated with the needle cylinder is installed inside the tube sheath, the top end of the inner tube is fixedly inserted with a needle head, and one side of the outside of the depth adjusting mechanism is fixedly screwed with a fixer;

the depth adjusting mechanism comprises a sleeve, a sheath plug-in connector, an observation window, scale strips, a knob, a connecting pipe, a driven gear, a lead screw, a driving gear and a slider, wherein the bottom end of the sleeve is provided with the sheath plug-in connector, a sheath is fixedly sleeved on the sheath plug-in connector, the center of the inner wall of one side of the sleeve is rotatably connected with the driven gear, the lead screw is mounted on the driven gear and rotates inside the sleeve, the driving gear is meshed with one side of the driven gear, the driving gear is connected with the knob outside the sleeve in a transmission manner, the slider is slidably connected onto the lead screw, an inner pipe penetrating through the sheath plug-in connector is mounted on the slider, the connecting pipe communicated with a needle cylinder is mounted on the other side of the slider, the observation window is arranged at the center of one.

Preferably, one end of the connecting pipe penetrates through the sliding block to be communicated with the inner pipe, and the other end of the connecting pipe is communicated with the needle cylinder.

Preferably, the fixer comprises an arc-shaped sleeve, a fastening bolt, a threaded sleeve and a protective pad, wherein the threaded sleeve is welded and fixed on one side of the arc-shaped sleeve, the threaded sleeve is screwed and fixed on the top end of the pipe sheath plug connector, the fastening bolt is rotatably connected on one side of the arc-shaped sleeve, and the protective pad is fixedly bonded on the top end of the fastening bolt.

Preferably, the protective pad has a circular cross section, and the protective pad is a rubber member.

The utility model has the advantages that: pass the tube sheath from the endoscope passageway is inside, when the syringe needle reachs preset position, through rotating the knob, it is rotatory to drive the driving gear, thereby it is rotatory to drive driven gear, it is rotatory to drive the lead screw then, make the slider move on the lead screw, drive the syringe needle motion through the inner tube then, make the syringe needle insert the position tissue that the patient needs the injection, simultaneously according to the scale strip on the observation window, make its depth of insertion of control syringe needle that can be accurate, the effectual convenience that has promoted the use.

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 plane structure of the present invention;

FIG. 2 is a schematic view of the front view structure of the depth adjusting mechanism of the present invention;

FIG. 3 is a schematic sectional view of the depth adjustment mechanism of the present invention;

FIG. 4 is a schematic view of the three-dimensional structure of the fixing device of the present invention;

reference numbers in the figures: 1. a needle cylinder; 2. a depth adjustment mechanism; 3. a holder; 4. a sheath; 5. an inner tube; 6. A needle head; 7. a sleeve; 8. a sheath connector; 9. an observation window; 10. a scale bar; 11. a knob; 12. A connecting pipe; 13. a driven gear; 14. a screw rod; 15. a driving gear; 16. a slider; 17. an arc-shaped sleeve; 18. fastening a bolt; 19. a threaded sleeve; 20. a protective pad.

Detailed Description

The following describes the present invention in further detail with reference to the accompanying fig. 1-4.

The first embodiment is shown in fig. 1, and the present invention provides the following technical solutions: a multifunctional injection needle for an endoscope comprises a needle cylinder 1, wherein the bottom of the needle cylinder 1 is fixedly connected with a depth adjusting mechanism 2 in a screwed mode, the bottom end of the depth adjusting mechanism 2 is fixedly connected with a tube sheath 4 in an inserted mode, an inner tube 5 communicated with the needle cylinder 1 is installed inside the tube sheath 4, the top end of the inner tube 5 is fixedly connected with a needle head 6 in an inserted mode, one side of the outer portion of the depth adjusting mechanism 2 is fixedly connected with a fixer 3 in a screwed mode, the tube sheath 4 penetrates through the inner portion of an endoscope channel, when the needle head 6 reaches a preset position, a knob 11 is rotated to drive a driving gear 15 to rotate, a driven gear 13 is driven to rotate, a screw rod 14 is driven to rotate, a sliding block 16 is driven to move on the screw rod 14, the needle head 6 is driven to move through the inner tube 5, the needle head 6 is inserted into a position tissue needing to be injected by, the use convenience is effectively improved;

as shown in fig. 1, 2 and 3, the depth adjusting mechanism 2 includes a sleeve 7, a sheath connector 8, an observation window 9, a scale bar 10, a knob 11, a connecting pipe 12, a driven gear 13, a lead screw 14, a driving gear 15 and a slider 16, the sheath connector 8 is arranged at the bottom end of the sleeve 7, a sheath 4 is fixedly sleeved on the sheath connector 8, the driven gear 13 is rotatably connected at the center of the inner wall of one side of the sleeve 7, the lead screw 14 which rotates inside the sleeve 7 is mounted on the driven gear 13, the driving gear 15 is engaged and connected at one side of the driven gear 13, the driving gear 15 is in transmission connection with the knob 11 at the outer side of the sleeve 7, the slider 16 is slidably connected on the lead screw 14, the inner pipe 5 which passes through the sheath connector 8 is mounted on the slider 16, the connecting pipe 12 which is communicated with the syringe 1 is mounted at the other side of the slider 16, the observation, the observation window 9 is provided with a scale bar 10.

Second embodiment, on the basis of the first embodiment, as shown in fig. 3, one end of the connection tube 12 passes through the slider 16 to communicate with the inner tube 5, and the other end of the connection tube 12 communicates with the syringe 1, so that the medicine inside the syringe 1 can overflow from the needle 6 through the connection tube 12 and the inner tube 5.

Third embodiment, on the basis of the first embodiment, as shown in fig. 1 and 4, the fixer 3 includes an arc-shaped sleeve 17, a fastening bolt 18, a threaded sleeve 19 and a protection pad 20, the threaded sleeve 19 is welded and fixed to one side of the arc-shaped sleeve 17, the threaded sleeve 19 is screwed and fixed to the top end of the sheath connector 8, the fastening bolt 18 is rotatably connected to one side of the arc-shaped sleeve 17, the protection pad 20 is fixedly bonded to the top end of the fastening bolt 18, the arc-shaped sleeve 17 is fixed to the outer wall of the top end of the endoscope and then fixed by the fastening bolt 18, so that the position of the syringe 1 is effectively fixed, the needle 6 can be effectively prevented from being pulled out or further inserted from the injected part tissue in the injection process, secondary pain of a patient is effectively prevented, and the use safety is effectively improved.

In the fourth embodiment, on the basis of the third embodiment, the section of the protective pad 20 is circular, and the protective pad 20 is a rubber material member, so that the fastening bolt 18 can be effectively prevented from crushing the pipeline of the endoscope by the protective pad 20.

The utility model discloses during the use, pass sheath 4 from the endoscope passageway inside, when syringe needle 6 reachs preset position, through rotating knob 11, drive driving gear 15 rotatory to drive driven gear 13 rotatory, then drive lead screw 14 rotatory, make slider 16 move on lead screw 14, then drive syringe needle 6 through inner tube 5 motion, make syringe needle 6 insert the position tissue that the patient needs to inject, simultaneously according to the scale strip 10 on observation window 9, make its insertion depth that can accurate control syringe needle 6, the effectual convenience that promotes the use;

after the arc-shaped sleeve 17 is fixed on the outer wall of the top end of the endoscope, the fastening bolt 18 is used for fixing, so that the fixation of the position of the needle cylinder 1 is effectively guaranteed, the needle head 6 can be effectively prevented from being pulled out from the injected part tissue or further inserted, secondary pain of a patient is effectively prevented, and the use safety is effectively improved.

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 multifunctional injection needle for the endoscope comprises a needle cylinder (1) and is characterized in that a depth adjusting mechanism (2) is screwed and fixed to the bottom of the needle cylinder (1), a tube sheath (4) is fixedly inserted to the bottom end of the depth adjusting mechanism (2), an inner tube (5) communicated with the needle cylinder (1) is installed inside the tube sheath (4), a needle head (6) is fixedly inserted to the top end of the inner tube (5), and a fixer (3) is screwed and fixed to one side of the outer portion of the depth adjusting mechanism (2);

the depth adjusting mechanism (2) comprises a sleeve (7), a sheath plug-in connector (8), an observation window (9), a scale bar (10), a knob (11), a connecting pipe (12), a driven gear (13), a lead screw (14), a driving gear (15) and a sliding block (16), the sheath plug-in connector (8) is arranged at the bottom end of the sleeve (7), a sheath (4) is fixedly sleeved on the sheath plug-in connector (8), the driven gear (13) is rotatably connected at the center of the inner wall of one side of the sleeve (7), the lead screw (14) which rotates in the sleeve (7) is installed on the driven gear (13), the driving gear (15) is meshed with one side of the driven gear (13), the driving gear (15) is in transmission connection with the knob (11) on the outer side of the sleeve (7), the sliding block (16) is connected on the lead screw (14) in a sliding manner, and an inner pipe (5) which penetrates through the sheath plug-in connector (8), and the other side is provided with a connecting pipe (12) communicated with the needle cylinder (1), the center of one side of the sleeve (7) is provided with an observation window (9), and the observation window (9) is provided with a scale strip (10).

2. A multi-function injection needle for endoscopes according to claim 1, wherein one end of the connection tube (12) is connected to the inner tube (5) through the slider (16), and the other end of the connection tube (12) is connected to the cylinder (1).

3. A multi-function injection needle for endoscopes according to claim 1, wherein the holder (3) comprises an arc-shaped sleeve (17), a fastening bolt (18), a threaded sleeve (19) and a protection pad (20), the threaded sleeve (19) is welded and fixed on one side of the arc-shaped sleeve (17), the threaded sleeve (19) is screwed and fixed on the top end of the sheath connector (8), the fastening bolt (18) is rotatably connected on one side of the arc-shaped sleeve (17), and the protection pad (20) is adhesively fixed on the top end of the fastening bolt (18).

4. A multi-purpose injection needle for endoscopes according to claim 3, characterized in that the cross section of the protection pad (20) is circular, and the protection pad (20) is a rubber material member.