CN215605565U

CN215605565U - Switching optical fiber for medical treatment

Info

Publication number: CN215605565U
Application number: CN202121929987.7U
Authority: CN
Inventors: 徐剑; 汪会梅
Original assignee: Nanjing Shenglue Technology Co ltd
Current assignee: Nanjing Shenglue Technology Co ltd
Priority date: 2021-08-17
Filing date: 2021-08-17
Publication date: 2022-01-25
Anticipated expiration: 2031-08-17

Abstract

The application relates to the technical field of optical fibers, and specifically discloses a switching optic fibre is used in medical treatment, including optic fibre body and protection tube, the protection tube cover is established on the optic fibre body, the optic fibre body includes major diameter optic fibre and minor diameter optic fibre, major diameter optic fibre is connected with minor diameter optic fibre, be equipped with the connector on the major diameter optic fibre, be equipped with the installed part on the connector, be equipped with the connecting piece on the protection tube, the connection can be dismantled on the installed part to the connecting piece. The cooperation of connecting piece and installed part is used in this application for the protection tube can be dismantled and connect on the connector, has the effect that the optic fibre of being convenient for was buckled.

Description

Switching optical fiber for medical treatment

Technical Field

The application relates to the technical field of optical fibers, in particular to a medical switching optical fiber.

Background

An optical fiber is a light conducting tool that uses the principle of total reflection of light in the fiber. At present, optical fibers are widely used in the medical field, and in particular, in the endoscopic treatment technology, a laser beam transmitted by the optical fibers enters a body cavity through an endoscope to treat a patient. However, the inner diameter of the endoscope channel is generally small, and a large-diameter optical fiber and a small-diameter optical fiber are generally fusion-spliced and then used.

Chinese patent No. CN211348706U, granted in the related art, discloses a medical switching optical fiber, wherein a protective sleeve is disposed on an outer wall of the optical fiber, the optical fiber includes a large-diameter optical fiber and a small-diameter optical fiber, one end of the large-diameter optical fiber is connected to an optical fiber connector, and the other end of the large-diameter optical fiber is fusion-spliced to the small-diameter optical fiber.

In view of the above-mentioned related technologies, since the optical fiber is provided with the protective sheath, the optical fiber is not convenient to bend during use, and the use of the optical fiber is limited.

SUMMERY OF THE UTILITY MODEL

In order to facilitate bending of the optical fiber during use, the application provides a medical switching optical fiber.

The application provides a medical switching optical fiber adopts following technical scheme:

the utility model provides a switching optic fibre is used in medical treatment, includes optic fibre body and protection tube, the protection tube housing is established on optic fibre body, optic fibre body includes major diameter optic fibre and minor diameter optic fibre, major diameter optic fibre is connected with minor diameter optic fibre, be equipped with the connector on the major diameter optic fibre, be equipped with the installed part on the connector, be equipped with the connecting piece on the protection tube, the connection can be dismantled on the installed part to the connecting piece.

Through adopting above-mentioned technical scheme, utilize the connector with major diameter fiber connection on the laser source, at the in-process that optic fibre used, pull down the connecting piece from the installed part, the optical fiber body that the protection tube that slides will need buckle exposes outside to make the optical fiber body be convenient for buckle, improved the flexibility that optic fibre used.

Optionally, the mounting member includes a mounting pipe, the mounting pipe is connected to the connector, an external thread is provided on an outer pipe wall of the mounting pipe, the connector includes a connecting pipe, the connecting pipe is connected to the protection pipe, an internal thread is provided on an inner pipe wall of the connecting pipe, and the connecting pipe is in threaded connection with the mounting pipe.

Through adopting above-mentioned technical scheme, through the cooperation of internal thread and external screw thread, realized being connected with dismantling of installation pipe, the connection and the dismantlement of the protection tube of being convenient for.

Optionally, the mounting piece includes an installation cylinder, the installation cylinder is connected on the connector, a lug is arranged on the outer wall of the installation cylinder, the connecting piece includes a connecting cylinder, the connecting cylinder is connected on the protection tube, a sliding groove for the lug to slide is arranged on the inner wall of the connecting cylinder, a slot for the lug to insert is arranged on the groove wall of the sliding groove, and the lug is inserted into the slot.

By adopting the technical scheme, the connecting cylinder is rotated, so that the lug on the mounting cylinder is opposite to the sliding groove; sleeving the connecting cylinder on the mounting cylinder, sliding the lug into the sliding groove, and rotating the connecting cylinder forward to insert the lug into the slot when the lug is opposite to the slot, so that the protective tube is mounted on the connecting head; conversely, the connecting cylinder is rotated reversely, the mounting cylinder can be pulled out of the connecting cylinder, and the protection tube is detached from the connecting head; the connection and the disassembly of the protection tube are realized.

Optionally, a sleeve is sleeved on the connecting piece, an internal thread is arranged on the inner wall of the sleeve, an external thread is arranged on the connector, and the connector is in threaded connection with the sleeve.

By adopting the technical scheme, when the optical fiber is connected to the laser source, an operator holds the sleeve and connects the connector to the light source, so that the optical fiber is prevented from being directly contacted and damaged, and the service life of the optical fiber is prolonged; the connector and the threaded connection of the sleeve adopt a threaded connection mode, so that the protection tube is convenient to disassemble when the optical fiber is used.

Optionally, the annular groove is formed in the outer pipe wall of the sleeve, and anti-slip lines are formed in the outer peripheral wall of the sleeve at two ends of the annular groove.

Through adopting above-mentioned technical scheme, the setting of annular and anti-skidding line is convenient for operating personnel to gripping of sheathed tube to installation effectiveness when having improved the optic fibre and being connected to laser source.

Optionally, a polyimide high temperature resistant layer is arranged on the outer wall of the optical fiber body.

By adopting the technical scheme, the polyimide high-temperature resistant layer is formed by coating the polyimide adhesive, and the temperature of the optical fiber is increased due to the large laser power transmitted by the optical fiber in the use process of the optical fiber; the polyimide in the polyimide high temperature resistant layer is resistant to high temperatures, thereby reducing the possibility of burning out the optical fiber.

Optionally, an antibacterial silica gel layer is arranged on the polyimide high-temperature resistant layer.

By adopting the technical scheme, the antibacterial silica gel layer is formed by sleeving the antibacterial silica gel pipe on the optical fiber body and then bonding the optical fiber body by the polyimide adhesive, and the antibacterial silica gel in the antibacterial silica gel layer has certain flexibility and is convenient for bending the optical fiber in the using process; the antibacterial silica gel layer also has a certain antibacterial effect, so that the use safety of the optical fiber is improved; in addition, the antibacterial silica gel layer also reduces the friction between the optical fiber and the protection tube, and prolongs the service life of the optical fiber.

Optionally, the outer tube wall of the protection tube is wrapped with an antibacterial PET film.

By adopting the technical scheme, the antibacterial PET film can effectively inhibit various bacteria, so that the cleanliness of the protection tube is improved.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the connecting piece is matched with the mounting piece for use, so that the protection tube can be detachably connected to the connecting head, and the protection tube is slid in the process of using the optical fiber, so that the optical fiber is convenient to bend;

2. due to the arrangement of the polyimide high-temperature resistant layer, the possibility of burning out of the optical fiber is reduced, and the service life of the optical fiber is prolonged;

3. when antibacterial silica gel layer played bacteriostatic action in this application, still improved the pliability of optic fibre, the bending of the optic fibre in the use of being convenient for.

Drawings

Fig. 1 is an exploded view of the entire structure of a medical optical switching fiber according to example 1.

Fig. 2 is a schematic sectional view of the optical fiber body in example 1.

Fig. 3 is a schematic view of the overall structure of a medical optical patch fiber according to embodiment 2.

Fig. 4 is an exploded view of the connection relationship of the mounting member and the connecting member in example 2.

Description of reference numerals:

1. an optical fiber body; 11. a large diameter optical fiber; 12. a small diameter optical fiber; 2. protecting the tube; 3. a connector; 4. a mounting member; 41. installing a pipe; 42. mounting the cylinder; 43. a bump; 5. an antibacterial PET film; 6. a connecting member; 61. a connecting pipe; 62. a connecting cylinder; 621. a sliding groove; 622. a slot; 7. a sleeve; 71. a ring groove; 72. anti-skid lines; 8. a polyimide high temperature resistant layer; 9. and (4) an antibacterial silica gel layer.

Detailed Description

The present application is described in further detail below with reference to figures 1-4.

Example 1

Referring to fig. 1, a switching optic fibre is used in medical treatment, including optic fibre body 1 and protection tube 2, optic fibre body 1 includes major diameter optic fibre 11 and minor diameter optic fibre 12, major diameter optic fibre 11 and minor diameter optic fibre 12 butt fusion mutually, major diameter optic fibre 11 keeps away from minor diameter optic fibre 12's one end fixedly connected with connector 3, fixedly connected with installed part 4 on the connector 3, protection tube 2 cover is established on optic fibre body 1, and the parcel has antibiotic PET film 5 on protection tube 2's the outer pipe wall, protection tube 2 is close to the one end of connector 3 and is equipped with connecting piece 6, connecting piece 6 can be dismantled and connect on installed part 4.

Referring to fig. 1, the mounting member 4 includes a mounting tube 41, the mounting tube 41 is coaxially and fixedly connected to the connector 3, an outer wall of the mounting tube 41 is provided with an external thread, the connecting member 6 includes a connecting tube 61, the connecting tube 61 is coaxially and fixedly connected to the protective tube 2, an inner wall of the connecting tube 61 is provided with an internal thread, and the connecting tube 61 is in threaded connection with the mounting tube 41; the connecting pipe 61 is sleeved with a sleeve 7, the outer pipe wall of the sleeve 7 is provided with a ring groove 71, the outer pipe wall of the sleeve 7 positioned at two ends of the ring groove 71 is provided with anti-skid grains 72, the anti-skid grains 72 are distributed along the circumferential direction of the sleeve 7, the inner pipe wall of the sleeve 7 is provided with internal threads, the outer wall of the connector 3 is provided with external threads, and the sleeve 7 is in threaded connection with the connector 3; when the protection tube 2 is detached, the sleeve 7 is rotated first, so that the sleeve 7 is separated from the connector 3, and then the connecting tube 61 is rotated, so that the protection tube 2 is detached from the connector 3, and the optical fiber is convenient to bend.

Referring to fig. 2, the outer wall of the optical fiber body 1 is provided with a polyimide high temperature resistant layer 8 and an antibacterial silica gel layer 9 which are arranged inwards and outwards in sequence. The polyimide high-temperature resistant layer 8 is formed by coating a polyimide adhesive on the outer wall of the optical fiber body 1 and curing, wherein the polyimide adhesive is purchased from the business of extra-high plastic materials of a New northern Longhutang; the polyimide in the polyimide high temperature resistant layer 8 has excellent high temperature resistance, so that the optical fiber is not easily burnt out in the use process; in addition, the polyimide high-temperature resistant layer 8 also has certain toughness, so that the optical fiber can be bent conveniently in the using process.

Referring to fig. 2, the antibacterial silicone layer 9 is formed by first sheathing the antibacterial silicone tube on the optical fiber body 1 and then bonding the same with a polyimide adhesive. The antibacterial silica gel layer 9 has a certain antibacterial effect, so that the optical fiber reaches the sanitary standard of the use of medical instruments; the antibacterial silica gel layer 9 also has good toughness, and is matched with the polyimide high-temperature resistant layer 8, so that the flexibility of the optical fiber is further improved.

The implementation principle of the embodiment 1 is as follows: the optical fiber body 1 is installed on a laser source by using the connector 3, then the sleeve 7 is rotated firstly to separate the sleeve 7 from the connector 3, and then the connecting pipe 61 is rotated to detach the protection pipe 2 from the connector 3, so that the optical fiber can be bent conveniently in the using process; when the optical fiber is in use, the polyimide high-temperature-resistant layer 8 enables the optical fiber to have high-temperature resistance, and the possibility that the optical fiber is burnt out is reduced; the antibacterial silica gel layer 9 has good toughness and is matched with the polyimide high-temperature-resistant layer 8, so that the flexibility of the optical fiber is improved, and the optical fiber is convenient to bend in the using process.

Example 2

Referring to fig. 3 and 4, the difference between this embodiment and embodiment 1 is that the mounting member 4 includes an installation cylinder 42, the installation cylinder 42 is coaxially and fixedly connected to the connector 3, two bumps 43 are fixedly connected to the outer wall of the installation cylinder 42 along the circumferential direction, the distance between the two bumps 43 is equal to the outer diameter of the installation cylinder 42, the connector 6 includes a connection cylinder 62, the connection cylinder 62 is coaxially and fixedly connected to the protection tube 2, the sleeve 7 is sleeved on the connection cylinder 62, two opposite sliding grooves 621 are provided on the inner wall of the connection cylinder 62 along the circumferential direction, the distance between the two sliding grooves 621 is equal to the inner diameter of the connection cylinder 62, the length direction of the sliding grooves 621 is consistent with the length direction of the connection cylinder 62, the groove 622 is provided on the groove wall of the sliding grooves 621, and the bumps 43 are inserted into the insertion grooves 622.

The implementation principle of the embodiment 2 is as follows: rotating the connecting cylinder 62 so that the sliding groove 621 on the connecting cylinder 62 is opposite to the projection 43; then the connecting cylinder 62 is sleeved on the mounting cylinder 42, at the same time, the projection 43 slides into the sliding groove 621, when the projection 43 is opposite to the slot 622, the connecting cylinder 62 is rotated forward, so that the projection 43 is inserted into the slot 622, and the protective tube 2 is mounted on the connector 3; when it is necessary to remove the protective tube 2, the connecting cylinder 62 is rotated in the reverse direction, and the mounting cylinder 42 is pulled out from the connecting cylinder 62, thereby completing the removal of the protective tube 2.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a switching optic fibre is used in medical treatment, includes optic fibre body (1) and protection tube (2), protection tube (2) cover is established on optic fibre body (1), optic fibre body (1) is including major diameter optic fibre (11) and minor diameter optic fibre (12), major diameter optic fibre (11) are connected with minor diameter optic fibre (12), be equipped with connector (3), its characterized in that on major diameter optic fibre (11): be equipped with installed part (4) on connector (3), be equipped with connecting piece (6) on protection tube (2), connecting piece (6) can be dismantled and connect on installed part (4).

2. The medical switching optical fiber according to claim 1, wherein: the mounting part (4) comprises a mounting pipe (41), the mounting pipe (41) is connected to the connector (3), an external thread is arranged on the outer pipe wall of the mounting pipe (41), the connecting part (6) comprises a connecting pipe (61), the connecting pipe (61) is connected to the protection pipe (2), an internal thread is arranged on the inner pipe wall of the connecting pipe (61), and the connecting pipe (61) is in threaded connection with the mounting pipe (41).

3. The medical switching optical fiber according to claim 1, wherein: installation part (4) are including installation section of thick bamboo (42), installation section of thick bamboo (42) are connected on connector (3), be equipped with lug (43) on the outer wall of installation section of thick bamboo (42), connecting piece (6) are including connecting cylinder (62), connecting cylinder (62) are connected on protection tube (2), be equipped with on the inner wall of connecting cylinder (62) and be used for supplying slide groove (621) that lug (43) slided, be equipped with on the cell wall of slide groove (621) and be used for supplying lug (43) male slot (622), lug (43) are pegged graft in slot (622).

4. A medical relay optical fiber according to claim 2 or 3, wherein: the connecting piece (6) is sleeved with a sleeve (7), an internal thread is arranged on the inner wall of the sleeve (7), an external thread is arranged on the connector (3), and the connector (3) is in threaded connection with the sleeve (7).

5. The medical switching optical fiber according to claim 4, wherein: be equipped with annular (71) on the outer pipe wall of sleeve pipe (7), sleeve pipe (7) are located and are equipped with anti-skidding line (72) on the periphery wall at annular (71) both ends.

6. The medical switching optical fiber according to claim 1, wherein: and a polyimide high-temperature-resistant layer (8) is arranged on the outer wall of the optical fiber body (1).

7. The medical switching optical fiber according to claim 6, wherein: and an antibacterial silica gel layer (9) is arranged on the polyimide high temperature resistant layer (8).

8. The medical switching optical fiber according to claim 1, wherein: the outer pipe wall of the protection pipe (2) is wrapped with an antibacterial PET film (5).