Medical columnar optical fiber

Abstract

The utility model discloses a medical columnar optical fiber, and belongs to the technical field of medical apparatus and instruments. A medical columnar optical fiber comprises an optical fiber connector and an optical fiber line, the optical fiber connector is installed on the optical fiber line, the medical columnar optical fiber further comprises an installation ring fixedly connected to the optical fiber connector, a groove is formed in the installation ring, and internal threads are arranged on the groove; one end of each protection half ring is provided with an external thread; according to the utility model, through the arrangement of the two protection semi-rings and the installation ring, the two protection semi-rings are spliced and then sleeved at the joint of the joint and the optical fiber, so that the two protection semi-rings can be stably connected together through the threads, the joint is protected, and subsequent disassembly and use are convenient.

Description

TECHNICAL FIELD

[0001] The utility model relates to medical instrument device technical field especially relates to a medical columnar optical fiber. BACKGROUND

[0002] In photodynamic therapy, laser energy needs to be irradiated to the lesion tissue through the optical fiber as a light energy carrier, according to the different signs and forms of the lesion tissue, different application end optical fibers need to be selected, and the columnar optical fiber is suitable for the photodynamic therapy of the tumor lesion with the characteristics of the lumen type distribution or the interventional type distribution.

[0003] The existing columnar optical fiber is easy to be damaged when the connecting head and the connecting part of the optical fiber are connected, and the connecting part is generally protected by a heat shrink tube, but this way is not easy to disassemble and replace, and has certain defects.

[0004] Therefore, a medical columnar optical fiber is provided to solve the above-mentioned problems. UTILITY MODEL CONTENTS

[0005] The utility model discloses a medical columnar optical fiber to solve the problems in the background art.

[0006] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme:

[0007] A medical columnar optical fiber, comprising an optical fiber joint, an optical fiber line, the optical fiber joint is installed on the optical fiber line, further comprising:

[0008] A mounting ring is fixedly connected to the optical fiber joint, a groove is provided on the mounting ring, and an internal thread is provided on the groove;

[0009] Two groups of protection half-rings are provided with external threads on one end, the external threads are matched with the internal threads in the groove, and the two groups of protection half-rings can be spliced into a complete hollow circle to wrap the optical fiber joint and the optical fiber line close to the optical fiber joint.

[0010] Preferably, the protection half-ring is spliced by a large semicircle ring and a small semicircle ring, and the external thread is arranged on the large semicircle ring.

[0011] Preferably, a semicircle ring-shaped wrapping air bag is fixedly connected in the small semicircle ring.

[0012] Preferably, the mounting shell is fixedly connected with the protection half ring, the extrusion air bag is connected in the mounting shell, the extrusion rod is slidably connected in the mounting shell, the two ends of the extrusion air bag are connected with the mounting shell and the extrusion rod respectively, the extrusion air bag is communicated with the wrapping air bag, one end of the extrusion rod penetrates through the mounting shell, the extrusion rod can contact with the mounting ring, and the extrusion air bag is extruded to make the gas in the extrusion air bag enter the wrapping air bag.

[0013] Preferably, the spring member is sleeved on the extrusion rod, the two ends of the spring member are connected with the mounting shell and the extrusion rod respectively, the connecting pipe is connected on the extrusion air bag, and the other end of the connecting pipe is communicated with the wrapping air bag.

[0014] Preferably, the protection half ring is fixedly connected with the rubber pad in the large semicircle ring.

[0015] Preferably, the optical fiber line (102) is 1.0m-4.0m in length, 0.3mm-1.8mm in diameter, and 0.2cm-8cm in length of the columnar end.

[0016] Compared with the prior art, the utility model provides a kind of medical columnar optical fiber, with the following beneficial effects:

[0017] The utility model discloses two protection half rings and the setting of mounting ring, after splicing two protection half rings and being sleeved in the connecting joint and the connecting place of optical fiber, it can be connected together by screw thread stability, and the connecting place is protected, and subsequent disassembly is also convenient, convenient to use. BRIEF DESCRIPTION OF DRAWINGS

[0018] Fig. 1 A kind of medical columnar optical fiber structure schematic diagram is proposed for the utility model;

[0019] Fig. 2 A kind of medical columnar optical fiber sectional structure schematic diagram is proposed for the utility model;

[0020] Fig. 3 A kind of medical columnar optical fiber protection half ring side view structure schematic diagram is proposed for the utility model.

[0021] In the drawing: 101, optical fiber joint;102, optical fiber line;103, mounting ring;2, protection half ring;3, mounting shell;301, extrusion air bag;302, spring member;303, extrusion rod;4, wrapping air bag;5, connecting pipe;6, rubber pad. DETAILED DESCRIPTION

[0022] Clearly, the described embodiments are merely a part of the embodiments of the present application, rather than all the embodiments.

[0023] Embodiment:

[0024] Referring to Figs. 1-3 A medical cylindrical optical fiber, comprising an optical fiber joint 101, an optical fiber line 102, the optical fiber joint 101 is installed on the optical fiber line 102, further comprising: a mounting ring 103, fixedly connected to the optical fiber joint 101, the mounting ring 103 is provided with a groove, the groove is provided with an internal thread; two groups of protection half rings 2, one end of the protection half ring 2 is provided with an external thread, the external thread is matched with the internal thread in the groove, the two groups of protection half rings 2 can be spliced into a complete hollow circle, used for wrapping the optical fiber joint 101 and the optical fiber line 102 close to the optical fiber joint 101, the protection half ring 2 is spliced by a large semicircle ring and a small semicircle ring, the external thread is arranged on the large semicircle ring, the protection half ring 2 is fixedly connected with a semicircle ring-shaped wrapping air bag 4 in the small semicircle ring, the protection half ring 2 is fixedly connected with a mounting shell 3, the mounting shell 3 is connected with an extrusion air bag 301, the mounting shell 3 is slidingly connected with an extrusion rod 303, both ends of the extrusion air bag 301 are connected with the mounting shell 3 and the extrusion rod 303 respectively, and the extrusion air bag 301 is communicated with the wrapping air bag 4, one end of the extrusion rod 303 penetrates through the mounting shell 3, the extrusion rod 303 can contact with the mounting ring 103, and then the extrusion rod 303 moves to extrude the extrusion air bag 301, so that the gas in the extrusion air bag 301 enters the wrapping air bag 4, the extrusion rod 303 is sleeved with a spring piece 302, both ends of the spring piece 302 are connected with the mounting shell 3 and the extrusion rod 303 respectively, the extrusion air bag 301 is connected with a connecting pipe 5, the other end of the connecting pipe 5 is communicated with the wrapping air bag 4, and the protection half ring 2 is fixedly connected with a rubber pad 6 in the large semicircle ring.

[0025] The length of the optical fiber line 102 is 1.0m-4.0m, the diameter of the optical fiber line 102 is 0.3mm-1.8mm, and the length of the cylindrical end of the optical fiber line 102 is 0.2cm-8cm.

[0026] When the device is used, one protection half ring 2 is placed on the optical fiber joint 101, then the other protection half ring 2 is butted with the previous one to form a complete hollow cylinder shell, and the optical fiber joint 101 and the optical fiber line 102 are wrapped, then the hollow cylinder shell at the splicing position can be moved, the external thread is stacked in the groove in the mounting ring 103, and the two are connected together through rotation and thread until it cannot be rotated, at this time, the protection of the connection between the optical fiber joint 101 and the optical fiber line 102 is realized.

[0027] When disassembling later, only need to rotate the hollow cylindrical shell in the opposite direction, the protection half ring 2 can be separated from the optical fiber.

[0028] At the same time, when rotating and locking the installation, the extrusion rod 303 will be extruded by the installation ring 103, and then continuously move into the installation shell 3, so that the gas in the extrusion air bag 301 continuously injects into the wrapping air bag 4, and then the wrapping air bag 4 wraps the optical fiber line 102, avoiding the outer skin abrasion caused by the movement of the optical fiber line 102 in the protection half ring 2, and facilitating long-term use.

[0029] The purpose of the rubber pad 6 is to fill the gap between the protection half ring 2 and the optical fiber joint 101, further improving the stability.

[0030] When disassembling later, with the protection half ring 2 away from the installation ring 103, the extrusion air bag 301 is reset under the action of the spring member 302, and then the previously discharged gas is sucked back, so that the wrapping air bag 4 shrinks, facilitating the next use.

[0031] The utility model discloses a two protection half rings 2 and the setting of installation ring 103, and the two protection half rings 2 are spliced and are sleeved at the connecting portion of joint and optical fiber, can be connected together through the screw thread steady, and the connecting portion is protected, and subsequent disassembly is also convenient, and it is convenient to use.

[0032] The above is only the preferred specific embodiment of the utility model, but the protection scope of the utility model is not limited to this, any skilled person in the art in the technical range disclosed by the utility model, according to the technical scheme and the inventive concept of the utility model, equivalent replacement or change, should be covered in the protection scope of the utility model.

Claims

1. A medical columnar optical fiber comprising an optical fiber joint (101) and an optical fiber wire (102), the optical fiber joint (101) being mounted on the optical fiber wire (102), characterized in that, Also include: The mounting ring (103) is fixedly connected to the optical fiber joint (101), and the mounting ring (103) is provided with a groove, and the groove is provided with an internal thread; Two groups of protection half rings (2), one end of the protection half ring (2) is provided with an external thread, the external thread matches with the internal thread in the groove, and the two groups of protection half rings (2) can be spliced into a complete hollow circle, which is used for wrapping the optical fiber joint (101) and the optical fiber line (102) close to the optical fiber joint (101).

2. A medical columnar optical fiber according to claim 1, wherein The protection half ring (2) is spliced by a group of large semicircle rings and a small semicircle ring, and the external thread is arranged on the large semicircle ring.

3. A medical columnar optical fiber according to claim 2, wherein The protection half ring (2) is fixedly connected with a semicircle ring-shaped wrapping air bag (4) in the small semicircle ring.

4. A medical columnar optical fiber according to claim 3, wherein The protection half ring (2) is fixedly connected with a mounting shell (3), the mounting shell (3) is connected with an extrusion air bag (301), the mounting shell (3) is slidably connected with an extrusion rod (303), the two ends of the extrusion air bag (301) are connected with the mounting shell (3) and the extrusion rod (303) respectively, and the extrusion air bag (301) communicates with the wrapping air bag (4), one end of the extrusion rod (303) penetrates the mounting shell (3), the extrusion rod (303) can contact the mounting ring (103), and the extrusion air bag (301) is moved to make the gas in the extrusion air bag (301) enter the wrapping air bag (4).

5. A medical columnar optical fiber according to claim 4, wherein The extrusion rod (303) is sleeved with a spring member (302), the two ends of the spring member (302) are connected with the mounting shell (3) and the extrusion rod (303) respectively, the extrusion air bag (301) is connected with a connecting pipe (5), and the other end of the connecting pipe (5) communicates with the wrapping air bag (4).

6. A medical column lens according to claim 4, wherein The protection half ring (2) is fixedly connected with a rubber pad (6) in the large semicircle ring.

7. A medical column lens according to claim 1, wherein The length of the optical fiber line (102) is 1.0m-4.0m, the diameter of the optical fiber line (102) is 0.3mm-1.8mm, and the length of the columnar end of the optical fiber line (102) is 0.2cm-8cm.

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