CN210355558U - Injection needle for endoscope convenient to installation - Google Patents

Abstract

The utility model discloses an injection needle for endoscope convenient to installation, including the threaded bush, the grafting of threaded bush's top is fixed with the sheath pipe, the top of threaded bush connects soon and is fixed with the needle tubing, and the bottom grafting of needle tubing is fixed with the inner tube, inner tube swing joint is in the inside of sheath pipe, the top grafting of inner tube is fixed with the syringe needle, the lower extreme of threaded bush cup joints and is fixed with fixed establishment, the needle tubing includes threaded cylinder, scale strip, threaded sleeve cap, threaded rod, presses handle and piston, the screwing of threaded cylinder connects in threaded bush's inside, the bottom grafting of threaded cylinder is fixed with the inner tube, the corresponding both sides of threaded cylinder are provided with the scale strip, the inside swing joint of threaded cylinder has the piston, the top of piston has the pressure handle through threaded rod welded fastening. The utility model discloses novel structure thinks about ingeniously, and the installation is convenient with the dismantlement, has promoted the convenience of using greatly.

Description

Injection needle for endoscope convenient to installation

Technical Field

The utility model relates to the technical field of medical equipment, specifically be a syringe needle for endoscope convenient to installation.

Background

The endoscope is a detection instrument integrating traditional optics, ergonomics, precision machinery, modern electronics, mathematics and software into a whole. An instrument with image sensor, optical lens, light source, mechanical device, etc. can enter the stomach through oral cavity or other natural pore canal, or enter human body through small incision made by operation. Since a lesion which cannot be displayed by X-ray can be seen by an endoscope, it is very useful for a doctor. With the continuous improvement and innovation of the technical level of digestive endoscopy doctors, the digestive endoscopy technology has been developed from simple examination to modern digestive endoscopy diagnosis and treatment technology with diagnosis and treatment. The technology of digestive endoscopy treatment can be from the mucous membrane to under the mucous membrane, from the inside of the cavity to the outside of the cavity, from direct vision to indirect vision, and can be called as the condition that no hole is arranged and the situation that no hole is arranged. The digestive endoscopy minimally invasive treatment technology has partially replaced the original treatment means such as traditional operations and the like, and gradually changes the treatment modes of partial diseases.

Under-endoscope treatment usually involves injecting drugs under the alimentary canal mucosa or into blood vessels, and in order to meet the intended use of the treatment, a plurality of disposable under-endoscope injection needles are sold and used on the market, which have no structure comprising a front handle and a rear handle, and an outer tube and an inner tube which are respectively fixed on the front handle and the rear handle. However, the conventional endoscope injection needle is extremely troublesome to attach and detach. Therefore, it is necessary to design an endoscopic injection needle that is easy to install.

SUMMERY OF THE UTILITY MODEL

To the above-mentioned condition, for overcoming prior art's defect, the utility model provides a syringe needle for endoscope convenient to installation, the effectual current syringe needle for endoscope of having solved installs and dismantles very troublesome problem.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides an injection needle for endoscope convenient to installation, includes the threaded sleeve pipe, threaded sleeve's top is pegged graft and is fixed with the sheath pipe, threaded sleeve's top connects soon and is fixed with the needle tubing, and the bottom of needle tubing is pegged graft and is fixed with the inner tube, inner tube swing joint is in the inside of sheath pipe, the top of inner tube is pegged graft and is fixed with the syringe needle, threaded sleeve's lower extreme cup joints and is fixed with fixed establishment.

Preferably, the needle tubing includes screw thread cylinder, scale bar, screw thread cap, threaded rod, pressure handle and piston, screwing of screw thread cylinder connects in screw thread sheathed tube inside, the bottom grafting of screw thread cylinder is fixed with the inner tube, the corresponding both sides of screw thread cylinder are provided with the scale bar, the inside swing joint of screw thread cylinder has the piston, threaded rod welded fastening has the pressure handle on the top of piston, the top of threaded rod connects soon and is fixed with screw thread cap, and the bottom of screw thread cap connects soon and fixes the top at screw thread cylinder.

Preferably, a protective pad is fixedly bonded to the top end of the pressing handle.

Preferably, fixed establishment is including fixed gasbag, trachea, discharge valve, blast pipe, gas cell and one-way valve, fixed gasbag bonds and fixes in threaded sleeve's bottom, the air inlet of fixed gasbag passes through the trachea and is connected with the gas outlet of gas cell, the one end that lies in the gas cell on the trachea cup joints and is fixed with the one-way valve, tracheal center department welded fastening has the blast pipe with the trachea intercommunication, install discharge valve on the blast pipe.

Preferably, a handle is fixedly sleeved at the top end of the threaded sleeve, and the handle is a rubber material component.

The utility model has the advantages that: pass the sheath pipe with the syringe needle to connect the needle tubing to the inside of screw thread sleeve pipe soon, through the scale strip that sets up, the extension length of the accurate definite syringe needle of being convenient for, the effectual convenience that has promoted the use adopts helicitic texture to carry out the connection of screw thread sleeve pipe and needle tubing moreover, and the installation is convenient with the dismantlement, has promoted the convenience of use greatly.

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 needle cannula of the present invention;

FIG. 3 is a schematic view of the three-dimensional structure of the screw cap of the present invention;

FIG. 4 is a schematic view of the piston mounting plane structure of the present invention;

FIG. 5 is a schematic view of the planar structure of the fixing mechanism of the present invention;

reference numbers in the figures: 1. a threaded bushing; 2. a needle tube; 3. a fixing mechanism; 4. a sheath tube; 5. an inner tube; 6. a needle head; 7. a grip; 8. a threaded needle cylinder; 9. a scale bar; 10. a threaded sleeve cap; 11. a threaded rod; 12. pressing the handle; 13. a piston; 14. fixing the air bag; 15. an air tube; 16. an exhaust valve; 17. an exhaust pipe; 18. an air-filled bag; 19. a one-way valve.

Detailed Description

The following describes the present invention in further detail with reference to fig. 1-5.

The first embodiment is shown in fig. 1, and the present invention provides the following technical solutions: the utility model provides a syringe needle for endoscope convenient to installation, including threaded sleeve 1, threaded sleeve 1's top is pegged graft and is fixed with sheath pipe 4, threaded sleeve 1's top connects soon and is fixed with needle tubing 2, and needle tubing 2's bottom is pegged graft and is fixed with inner tube 5, 5 swing joint in the inside of sheath pipe 4 of inner tube, the top of inner tube 5 is pegged graft and is fixed with syringe needle 6, threaded sleeve 1's lower extreme cup joints and is fixed with fixed establishment 3, when using, pass sheath pipe 4 with syringe needle 6, and connect threaded sleeve 1's inside soon with needle tubing 2, scale strip 9 through setting up, the length that stretches out of syringe needle 6 of accurate definite of being convenient for, the effectual convenience of using that has promoted, and adopt the helicitic texture to carry out threaded sleeve 1 and needle tubing 2's connection, the installation is convenient with the dismantlement.

In the second embodiment, based on the first embodiment, as shown in fig. 1, 2, 3 and 4, the needle tube 2 includes a threaded needle cylinder 8, scale bars 9, a threaded cap 10, a threaded rod 11, a pressing handle 12 and a piston 13, the threaded needle cylinder 8 is screwed into the threaded sleeve 1, the bottom end of the threaded needle cylinder 8 is fixedly inserted into the inner tube 5, the scale bars 9 are disposed on two corresponding sides of the threaded needle cylinder 8, the piston 13 is movably connected inside the threaded needle cylinder 8, the top end of the piston 13 is fixedly welded to the pressing handle 12 through the threaded rod 11, the top end of the threaded rod 11 is fixedly screwed to the threaded cap 10, the bottom end of the threaded cap 10 is fixedly screwed to the top end of the threaded needle cylinder 8, when the injection flow rate does not need to be controlled, the threaded cap 10 is screwed to be in contact with the pressing handle 12, the pressing handle 12 is directly pressed, the piston 13 moves downward to inject the injection, when the injection flow rate needs to be controlled, connect screw sleeve cap 10 soon and fix on the top of screw cylinder 8, press handle 12 through rotating, make threaded rod 11 rotatory in the center department of screw sleeve cap 10, drive piston 13 downstream then, through the rotational speed of adjusting threaded rod 11, realize the control of the injection velocity of flow, the effectual convenience that has promoted the use.

In the third embodiment, a protective pad is bonded and fixed to the top end of the pressing handle 12 in addition to the second embodiment.

Fourth embodiment, based on the first embodiment, as shown in fig. 1 and 5, the fixing mechanism 3 includes a fixing air bag 14, an air pipe 15, an exhaust valve 16, an exhaust pipe 17, an air bag 18 and a one-way valve 19, the fixing air bag 14 is adhered and fixed at the bottom end of the threaded sleeve 1, an air inlet of the fixing air bag 14 is connected with an air outlet of the air bag 18 through the air pipe 15, the one end of the air pipe 15 located at the air bag 18 is fixedly sleeved with the one-way valve 19, the exhaust pipe 17 communicated with the air pipe 15 is welded and fixed at the center of the air pipe 15, the exhaust pipe 17 is provided with the exhaust valve 16, when it is desired to fix the threaded sleeve 1 in the endoscope channel, to prevent the needle 6 from moving during injection, increasing the patient's pain, the exhaust valve 16 is closed, the fixing air bag 14 is inflated and expanded by pressing the inflating air bag 18, so as to be fixed in the endoscope pipeline, and the use convenience is effectively improved.

In the fifth embodiment, as shown in fig. 1, a grip 7 is fixedly fitted to the top end of the threaded sleeve 1, and the grip 7 is a rubber member.

When the utility model is used, the needle 6 passes through the sheath tube 4, the needle tube 2 is screwed into the threaded sleeve 1, the extension length of the needle 6 is conveniently and accurately determined through the arranged scale strips 9, the use convenience is effectively improved, the threaded sleeve 1 and the needle tube 2 are connected by adopting a threaded structure, the installation and the disassembly are convenient, and the use convenience is greatly improved;

when the injection flow rate is not required to be controlled, the threaded sleeve cap 10 is screwed to be in contact with the pressing handle 12, the pressing handle 12 is directly pressed, the piston 13 moves downwards to enable the piston to be injected, when the injection flow rate is required to be controlled, the threaded sleeve cap 10 is screwed and fixed at the top end of the threaded needle cylinder 8, the threaded rod 11 is rotated at the center of the threaded sleeve cap 10 by rotating the pressing handle 12, the piston 13 is driven to move downwards, the injection flow rate is controlled by adjusting the rotating speed of the threaded rod 11, and the use convenience is effectively improved;

when the threaded sleeve 1 needs to be fixed in the endoscope pipeline to prevent the needle 6 from moving during injection and increase the pain of a patient, the exhaust valve 16 is closed, and the fixing air bag 14 is inflated and expanded by pressing the inflating air bag 18 so as to be fixed in the endoscope pipeline, so that the use convenience 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 (5)

1. The utility model provides an injection needle for endoscope convenient to installation, includes threaded sleeve (1), its characterized in that, the top grafting of threaded sleeve (1) is fixed with sheath pipe (4), the top of threaded sleeve (1) connects soon and is fixed with needle tubing (2), and the bottom grafting of needle tubing (2) is fixed with inner tube (5), inner tube (5) swing joint is in the inside of sheath pipe (4), the top grafting of inner tube (5) is fixed with syringe needle (6), the lower extreme of threaded sleeve (1) cup joints and is fixed with fixed establishment (3).

2. An easily mountable injection needle for an endoscope according to claim 1, the needle tube (2) comprises a threaded needle cylinder (8), a scale bar (9), a threaded sleeve cap (10), a threaded rod (11), a pressing handle (12) and a piston (13), the threaded needle cylinder (8) is screwed in the threaded sleeve (1), the bottom end of the threaded needle cylinder (8) is fixedly inserted with an inner tube (5), the two corresponding sides of the threaded needle cylinder (8) are provided with scale bars (9), the interior of the threaded needle cylinder (8) is movably connected with a piston (13), the top end of the piston (13) is welded and fixed with a pressing handle (12) through a threaded rod (11), the top end of the threaded rod (11) is screwed and fixed with a threaded sleeve cap (10), and the bottom end of the thread sleeve cap (10) is screwed and fixed at the top end of the thread needle cylinder (8).

3. An easily mountable injection needle for an endoscope according to claim 2, characterized in that a protective pad is adhesively fixed to a tip of the pressing handle (12).

4. An injection needle for an endoscope, which is convenient to mount according to claim 1, characterized in that the fixing mechanism (3) comprises a fixing air bag (14), an air tube (15), an exhaust valve (16), an exhaust pipe (17), an inflation air bag (18) and a one-way valve (19), the fixing air bag (14) is fixedly bonded to the bottom end of the threaded sleeve (1), the air inlet of the fixing air bag (14) is connected with the air outlet of the inflation air bag (18) through the air tube (15), the one end of the air tube (15) located on the inflation air bag (18) is fixedly sleeved with the one-way valve (19), the exhaust pipe (17) communicated with the air tube (15) is fixedly welded at the center of the air tube (15), and the exhaust valve (16) is mounted on the exhaust pipe (17).

5. An easily mountable injection needle for an endoscope according to claim 1, characterized in that a grip (7) is fitted and fixed to a tip of the threaded sleeve (1), and the grip (7) is a rubber material member.

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