CN218484533U

CN218484533U - Endoscope tip subassembly and endoscope

Info

Publication number: CN218484533U
Application number: CN202221115902.6U
Authority: CN
Inventors: 章力; 王�锋; 周立
Original assignee: Shenzhen Meimeimeichuangyi Medical Technology Co ltd
Current assignee: Shenzhen Meimeimeichuangyi Medical Technology Co ltd
Priority date: 2022-05-08
Filing date: 2022-05-08
Publication date: 2023-02-17
Anticipated expiration: 2032-05-08

Abstract

The utility model discloses an endoscope tip component, which is used for being connected with an endoscope snake bone and comprises a mounting plate, LED lamp beads, a camera and a cable, wherein the LED lamp beads, the camera and the cable are all arranged on the mounting plate, the cable is respectively arranged on two different sides of the mounting plate together with the LED lamp beads and the camera, and the cable is electrically connected with the LED lamp beads and the camera through the mounting plate; the front end of the LED lamp bead is also provided with a light guide part, the light guide part is a cylinder, one end of the light guide part is abutted against the LED lamp bead, and the other end of the light guide part is parallel to the end part of the camera. The utility model discloses an endoscope tip subassembly and endoscope are through placing the leaded light spare at LED lamp pearl front end, thereby solved because the problem that the high camera height that highly is less than of LED lamp pearl light emitting area formed the sheltering from to the LED light emitting area, the light beam that LED lamp pearl sent simultaneously propagates in the leaded light spare with the total reflection form, has promoted light beam concentration degree, has reduced light beam loss, has realized the promotion that promotes the luminous luminance value of endoscope front end and camera imaging quality.

Description

Endoscope tip subassembly and endoscope

Technical Field

The utility model relates to the technical field of medical equipment, especially relate to an endoscope tip subassembly and endoscope.

Background

Endoscopes are widely used in the field of industrial and medical testing, particularly in the medical industry for testing and treatment.

The handheld endoscope body part of the endoscope comprises a near-end insertion part, a far-end bending part and a tip part with a lens module, wherein the near-end insertion part is in a mode of connecting electronic components at the front end of the small-diameter electronic endoscope with the diameter of 1.8-3.8mm, the LED lamp bead/camera is directly connected with a cable in a soldering mode, the connection is limited by the size of an element, the size of a welding point is extremely small, the distance between the welding points is close, and the soldering operation difficulty and the connection reliability are greatly increased.

At present, an electronic endoscope lighting system mainly adopts an optical fiber light guiding mode and a tip LED lamp bead light emitting mode.

Conventional PCB F mounting panel is the plane form, and LED lamp pearl is fixed in panel with the paster form with the camera module and is in the plane, and small-size paster LED lamp pearl height is far below endoscope camera module height, and the camera module can produce great the blockking to LED lamp pearl light emitting area, influences the luminous luminance value of endoscope front end and image quality.

SUMMERY OF THE UTILITY MODEL

The utility model provides a technical problem who mainly solves provides an endoscope front end subassembly and endoscope, integrates the LED lamp pearl and the camera of endoscope front end on the mounting panel, is connected LED lamp pearl and camera as a whole, sets up the leaded light spare, avoids camera module to produce the LED lamp pearl light emitting area and blocks.

In order to solve the technical problem, the utility model discloses a technical scheme be: providing an endoscope tip assembly, wherein the endoscope tip assembly is used for being connected with an endoscope snake bone and comprises a mounting plate, an LED lamp bead, a camera and a cable, the LED lamp bead, the camera and the cable are all mounted on the mounting plate, the cable is respectively mounted on two different sides of the mounting plate together with the LED lamp bead and the camera, and the cable is electrically connected with the LED lamp bead and the camera through the mounting plate;

the front end of the LED lamp bead is also provided with a light guide part, the light guide part is a cylinder, one end of the light guide part is abutted against the LED lamp bead, and the other end of the light guide part is parallel to the end part of the camera.

The light guide part is made of high-light-transmittance high polymer materials or glass.

The sum of the lengths of the LED lamp beads and the light guide piece is the same as the length of the camera.

The LED lamp beads and the light guide pieces are provided with multiple groups, and the multiple groups of the LED lamp beads and the light guide pieces are symmetrically distributed with the central line of the mounting plate.

The endoscope tip assembly further comprises a first rubber part and a second rubber part, and the first rubber part and the second rubber part are respectively arranged on two sides of the mounting plate;

one end of the first rubber piece is connected with the mounting plate, and is provided with a camera hole and an instrument tube hole along the axial direction, and the camera hole and the instrument tube hole are respectively used for accommodating the camera and the instrument tube;

the second is glued the piece and is the hollow circular cylinder, and inside is used for holding the cable, the one end of second glue the piece with the mounting panel is connected, and the other end is connected with the outside hose of snake bone.

And the first rubber piece is also provided with an LED lamp bead hole along the axial direction and used for accommodating the LED lamp bead and the light guide piece.

The first rubber part and the second rubber part are connected with the mounting plate in an injection molding or viscose mode.

The LED lamp beads and the camera are mounted on the mounting plate in an SMT patch mode, and the cable is welded with the mounting plate.

Wherein, the mounting panel is PCB board or FPCB board.

In order to solve the technical problem, the utility model also provides an endoscope, the endoscope includes foretell endoscope distal end subassembly.

Compared with the prior art, the utility model discloses an endoscope distal end subassembly and beneficial effect that the endoscope reaches do: through placing the leaded light spare at LED lamp pearl front end, thereby solved because the highly far below camera height of LED lamp pearl light emitting area forms the problem of sheltering from to the LED light emitting area, the light beam that LED lamp pearl sent simultaneously propagates in the leaded light spare with the total reflection form, has promoted the light beam concentration degree, has reduced the light beam loss, has realized the promotion that promotes endoscope front end luminous brightness value and camera imaging quality.

Drawings

To more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the description below are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.

FIG. 1 is a schematic structural view of the endoscope tip assembly of the present invention after being combined with a snake bone;

FIG. 2 is a schematic illustration of the split state of FIG. 1;

FIG. 3 is a schematic view of a prior art LED lamp bead emitting light;

FIG. 4 is a schematic view of the installation of an LED lamp bead, a light guide and a camera on a mounting plate;

FIG. 5 is a schematic structural view of an endoscope tip assembly of the present invention;

FIG. 6 is a schematic view of the first glue element of FIG. 1;

fig. 7 is a schematic structural view of the second rubber member in fig. 1.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts all belong to the protection scope of the present invention.

In the embodiments of the present invention, all directional indicators (such as up, down, left, right, front, rear \8230;) are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indicator is changed accordingly. The terms "first", "second", etc. in this application are used to distinguish between different objects and not to describe a particular order. Furthermore, the terms "include" and "have," as well as any variations thereof, are intended to cover non-exclusive inclusions. For example, a process, method, system, article, or apparatus that comprises a list of steps or elements is not limited to only those steps or elements but may alternatively include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.

Reference herein to "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment can be included in at least one embodiment of the application. The appearances of the phrase in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments. It is explicitly and implicitly understood by one skilled in the art that the embodiments described herein can be combined with other embodiments.

Referring to fig. 1 to 5, the endoscope tip assembly of the present application is used for connecting with an endoscope snake bone 100, the endoscope tip assembly includes a mounting plate 1, LED lamp beads 2, a camera 3 and a cable 4, the LED lamp beads 2, the camera 3 and the cable 4 are all mounted on the mounting plate 1, the cable 4 is respectively mounted on different two sides of the mounting plate 1 with the LED lamp beads 2 and the camera 3, and the cable 4 is electrically connected with the LED lamp beads 2 and the camera 3 through the mounting plate 1; the front end of the LED lamp bead 2 is also provided with a light guide part 5, the light guide part 5 is a cylinder, one end of the light guide part is abutted against the LED lamp bead 2, and the other end of the light guide part is parallel to the end part of the camera 3.

Endoscope tip subassembly in this application is connected with snake bone 100 for bear LED lamp pearl 2, camera 3 and cable 4, use mounting panel 1 as the medium, set up the welding point in the both sides on mounting panel 1, be fixed in mounting panel 1 with LED lamp pearl 2 and camera 3 on, weld between cable 4 and the mounting panel 1. The cable 4 comprises at least a LED light bead wire, a camera wire and the related electrical wires of the endoscope. This mode is effectual to be connected LED lamp pearl 2 and camera 3 for an inseparable whole, has promoted volume production efficiency, has simplified the assembly step. Meanwhile, the LED lamp beads 2 and the camera 3 are directly installed on the installation plate 1 during welding and are not directly welded with the cable 4, so that the operation difficulty of brazing welding is greatly reduced, and the connection reliability after welding is improved.

Because the length of LED lamp pearl 2 is far less than the length of camera 3, consequently above-mentioned setting can lead to camera 3 to shelter from the light that LED lamp pearl 2 sent, as shown in fig. 3, thereby the light that LED lamp pearl 2 sent can shine and cause the scattering on the lateral wall of camera 3, causes the luminous luminance value of endoscope front end to be lower, and can form light shielding region in camera 3 front end part, the cross shadow part of lower extreme in fig. 3 promptly, influence light shines, can not satisfy actual luminance demand. This application is through placing leaded light 5 at 2 front ends of LED lamp pearl, as shown in fig. 4 and fig. 5, the one end and the 2 butts of LED lamp pearl of leaded light 5, the other end is parallel with 3 tip of camera, the light beam that makes 2 LED lamp pearls send propagates in leaded light 5 with the total reflection form, the light beam concentration degree has been promoted, the light beam loss has been reduced, the light beam directly jets out from leaded light 5, thereby solved because the highly far less than 3 high problem of sheltering from to the formation of LED light emitting area of camera of 2 light emitting areas of LED lamp pearl, the promotion of endoscope front end luminous brightness value and 3 imaging quality of camera has also been promoted simultaneously.

Specific setting and distribution do, LED lamp pearl 2 in this application installs in the lateral part of mounting panel 1, and camera 3 installs in the middle part of mounting panel 1, and 1 top of mounting panel is equipped with the recess, and the recess is used for holding apparatus pipe 200. The LED lamp beads 2 are distributed on the side portion of the mounting plate 1 through the arrangement, illumination is conveniently provided at each direction, and the camera 3 arranged in the middle portion is convenient for observing the overall situation. The groove at the top facilitates the passage of the instrument tube 200, and the instrument tube 200 is referred to as a forceps tube in the application, and is a high-elasticity bending-resistant polymer tube used for passing water, gas, surgical instruments and the like.

Mounting panel 1 in this application is PCB board or FPCB board, installs LED lamp pearl 2 and camera 3 on mounting panel 1 through SMT paster mode. When the mounting panel 1 uses the PCB board, the hardness of the mounting panel 1 is higher, the whole anti-bending capability is stronger, when the mounting panel 1 uses the FPCB board, because the material is made of flexible base material, the intensity is lower, the flexible base material is suitable for the situation that some mounting panels 1 need to be bent, and the intensity can be increased by arranging other components when the flexible base material is used.

The material of light guide 5 in this application is high light transmittance ratio macromolecular material or glass, for example high light transmittance ratio macromolecular material can adopt PEDOT (3, 4-ethylene dioxythiophene monomeric polymer), makes light guide 5 possess the characteristic of high light transmittance ratio, guarantees that the light beam that LED lamp pearl 2 sent propagates in light guide 5 with the total reflection form, has promoted the light beam concentration degree, has reduced beam loss.

The length sum of LED lamp pearl 2 and leaded light 5 in this application is the same with camera 3's length to when making the light that LED lamp pearl 2 sent jet out from leaded light 5, be at same height with camera 3's tip, avoid camera 3 to shelter from LED lamp pearl 2's light.

In another embodiment, the length sum of LED lamp pearl 2 and light pipe 5 can slightly be less than the length of camera 3, as long as camera 3 do not shelter from the light that LED lamp pearl 2 sent can, also belong to the utility model discloses a design.

LED lamp pearl 2 and leaded light 5 in this application are equipped with the multiunit, and multiunit LED lamp pearl 2 and leaded light 5 are with the central line symmetric distribution of mounting panel 1. For example, in one embodiment, the number of the LED lamp beads 2 is 4, two groups may be respectively distributed on the left and right sides of the mounting plate 1, so that the light on the two sides is uniform.

The endoscope tip assembly in the application further comprises a first rubber piece 6 and a second rubber piece 7, wherein the first rubber piece 6 and the second rubber piece 7 are respectively arranged on two sides of the mounting plate 1. For convenience of description, the two sides of the mounting plate 1 are named as the front end and the rear end, the first rubber piece 6, the LED lamp beads 2 and the camera 3 are mounted at the front end of the mounting plate 1, and the second rubber piece 7 and the cable 4 are welded at the rear end of the mounting plate 1.

In the present application, one end of the first rubber member 6 is connected to the mounting plate 1, and referring to fig. 6, the first rubber member 6 is provided with a camera hole 61 and an instrument tube hole 62 along an axial direction, which are respectively used for accommodating the camera 3 and the instrument tube 200, so as to protect the camera 3 and the instrument tube 200 from shaking damage in use. Further, first glue 6 still is equipped with LED lamp pearl hole 63 along the axial for hold LED lamp pearl 2 and leaded light 5, in order to protect LED lamp pearl 2 equally, avoid in use to rock or impaired. The camera hole 61, the instrument tube hole 62 and the LED lamp bead hole 63 are all through holes.

Referring to fig. 7, the second rubber member 7 in the present application is a hollow cylinder, and the inside of the second rubber member is used for accommodating the cable 4, one end of the second rubber member 7 is connected to the mounting plate 1, and the other end of the second rubber member is connected to the hose 300 outside the snake bone 100, and the hose 300 is sleeved outside the snake bone 100 and used for protecting and sealing the endoscope snake bone 100. The second rubber member 7 is connected with the mounting plate 1 at the rear end of the mounting plate 1, the middle hole passes through the cable 4 and the instrument tube 200 which are welded on the mounting plate 1, and the rear end of the second rubber member 7 is provided with a step which is connected with the snake bone 100.

The first rubber member 6 and the second rubber member 7 can be made of soft or hard rubber and have certain elasticity and hardness so as to protect internal parts.

First glue 6 in this application and second glue 7 all with the mounting panel 1 between be connected through the mode of moulding plastics or viscose.

In order to solve the technical problem, the present invention further provides an endoscope, which comprises the above-mentioned endoscope tip assembly, wherein the endoscope tip assembly is used for being connected with the snake bone 100.

By using the endoscope front end component and the endoscope of the utility model, the LED lamp bead and the camera at the front end of the endoscope are integrated on the mounting plate, thereby reducing the soldering difficulty of the electrical elements, increasing the electrical clearance at the front end of the electronic endoscope product and improving the electrical safety of the product; the LED lamp beads and the camera are effectively connected into a tight whole by taking the mounting plate as a medium and fixing the LED lamp beads and the camera on the front end surface of the mounting plate, so that the mass production efficiency is improved, and the assembly steps are simplified; through placing the leaded light spare at LED lamp pearl front end, thereby solved because the highly far below camera height of LED lamp pearl light emitting area forms the problem of sheltering from to the LED light emitting area, the light beam that LED lamp pearl sent simultaneously propagates in the leaded light spare with the total reflection form, has promoted the light beam concentration degree, has reduced the light beam loss, has realized the promotion that promotes endoscope front end luminous brightness value and camera imaging quality.

The above is only the embodiment of the present invention, not the limitation of the patent scope of the present invention, all the equivalent structures or equivalent processes that are used in the specification and the attached drawings or directly or indirectly applied to other related technical fields are included in the patent protection scope of the present invention.

Claims

1. An endoscope tip assembly is used for being connected with an endoscope snake bone and is characterized by comprising a mounting plate, an LED lamp bead, a camera and a cable, wherein the LED lamp bead, the camera and the cable are all mounted on the mounting plate, the cable is respectively mounted on two different sides of the mounting plate together with the LED lamp bead and the camera, and the cable is electrically connected with the LED lamp bead and the camera through the mounting plate;

2. The endoscope tip assembly of claim 1, wherein the light guide is made of a high light transmittance polymer material or glass.

3. The endoscope tip assembly of claim 1 or 2, wherein a sum of the lengths of said LED light bead and said light guide is the same as the length of said camera head.

4. The endoscope tip assembly of claim 3 wherein said LED light beads and said light guide are provided in a plurality of sets, said plurality of sets being symmetrically distributed about a centerline of said mounting plate.

5. The endoscope tip assembly of claim 4, further comprising a first glue member and a second glue member, the first glue member and the second glue member being disposed on either side of the mounting plate;

one end of the first rubber piece is connected with the mounting plate, and a camera hole and an instrument tube hole are axially formed and are respectively used for accommodating the camera and the instrument tube;

6. The endoscope tip assembly of claim 5 wherein said first adhesive member further comprises an LED light bead hole along an axial direction for receiving said LED light bead and said light guide member.

7. The endoscope tip assembly of claim 6 wherein said first and second adhesive members are each connected to said mounting plate by injection molding or adhesive.

8. The endoscope tip assembly of claim 7 wherein said LED light bead and said camera head are mounted to said mounting plate by SMT patches, and said cable is soldered to said mounting plate.

9. The endoscope tip assembly of claim 1, wherein the mounting plate is a PCB plate or a FPCB plate.

10. An endoscope, comprising the endoscope tip assembly of any one of claims 1-9.