CN214804578U

CN214804578U - Endoscope focal length adjusting mechanism with compact structure and endoscope device

Info

Publication number: CN214804578U
Application number: CN202121024781.XU
Authority: CN
Inventors: 张向新; 王跃
Original assignee: Ruixikang Suzhou Medical Technology Co ltd
Current assignee: Ruixikang Suzhou Medical Technology Co ltd
Priority date: 2021-05-13
Filing date: 2021-05-13
Publication date: 2021-11-23
Anticipated expiration: 2031-05-13

Abstract

The utility model provides a compact structure's endoscope focus adjustment mechanism and endoscope device, include: the camera shooting module is arranged in an inner cavity at the far end of the connecting pipe and comprises a lens and a photosensitive electronic component; the focus adjusting part, the focus adjusting part includes the rotation regulation piece and adjusts the pole, the rotation regulation piece rotates and cup joints in the near-end of connecting pipe, rotation regulation piece inboard is equipped with the internal thread, it includes spiro union ejector pad and push rod to adjust the pole, the spiro union ejector pad is equipped with the external screw thread with the internal thread assorted of rotation regulation piece, push rod one end and spiro union ejector pad fixed connection, the other end and the lens fixed connection of push rod, the rotation regulation piece is through passing through screw-thread fit with the spiro union ejector pad so that push rod drive lens is close to or keeps away from for the sensitization electronic component. Through setting up can with the handle of endoscope and the focus adjustment subassembly of connecting pipe compact fit, under the condition that does not influence the component and arranges, realized the focus adjustment of the module of making a video recording.

Description

Endoscope focal length adjusting mechanism with compact structure and endoscope device

Technical Field

The utility model relates to a medical instrument, in particular to an endoscope focal length adjusting mechanism with compact structure and an endoscope device.

Background

Endoscopy uses a technique in which an endoscope that can be fed into a body lumen is visually examined and treated. It is divided into non-traumatic and traumatic. The former means that an endoscope is directly inserted into the endoscope to examine the lumen (such as digestive tract, respiratory tract, urinary tract, etc.) communicating with the outside; the latter is used to examine closed body cavities (e.g., thoracic, abdominal, joint, etc.) by introducing an endoscope through an incision. The endoscope is an optical instrument, mainly comprises an image acquisition assembly, an image transmission system, a screen display system and the like, can locally magnify and observe certain positions according to clinical requirements in the using process of the endoscope so as to clearly find the characteristics of a focus, and simultaneously needs to meet the requirement of a conventional view field angle in the examination process, so that the endoscope is required to have an optical zooming function. However, the image capturing assembly is disposed at the distal end of the elongated tube, and the provision of the zoom adjusting structure easily affects the structural arrangement of the elongated tube of the endoscope, and occupies a large space, so that it is desirable to provide a focusing structure with a compact structure.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a compact structure's endoscope focus adjustment mechanism and endoscope device can with the handle of endoscope and the compact complex focus adjustment subassembly of connecting pipe through the setting, under the condition that does not influence the component and arranges, has realized the focus adjustment of the module of making a video recording.

The technical scheme of the utility model is realized like this:

a compact endoscope focal length adjustment mechanism comprising:

a connecting pipe used for connecting the handle of the endoscope,

the camera module is arranged in the inner cavity at the far end of the connecting pipe and comprises a lens and a photosensitive electronic component;

the focus adjusting part, the focus adjusting part includes rotation regulation spare and regulation pole, rotation regulation spare rotates and cup joints in the near-end of connecting pipe, rotation regulation spare inboard is equipped with the internal thread, it includes spiro union ejector pad and push rod to adjust the pole, the spiro union ejector pad be equipped with the internal thread assorted external screw thread of rotation regulation spare, push rod one end with spiro union ejector pad fixed connection, the other end of push rod with lens fixed connection, rotation regulation spare through with the spiro union ejector pad passes through screw-thread fit so that push rod drive lens for photosensitive electron component is close to or keeps away from.

Furthermore, the screw connection pushing block and the push rod of the adjusting rod are both of a hollow structure, and the photosensitive electronic assembly is arranged in the inner cavity of the push rod and is fixed relative to the connecting pipe.

Furthermore, the endoscope comprises an electronic component connecting piece, one end of the electronic component connecting piece is fixedly connected with the photosensitive electronic component, the other end of the electronic component connecting piece penetrates through the adjusting rod and is fixedly connected with the endoscope handle, and the connecting pipe is opposite to the endoscope handle and is fixedly connected with the endoscope handle.

Further, the photosensitive electronic component comprises an FPC bottom plate and a CMOS sensor, and the CMOS sensor is arranged on the FPC bottom plate.

Furthermore, a first baffle is arranged on the rotary adjusting piece rotating sleeve, and a second baffle matched with the first baffle is arranged at the near end of the connecting pipe.

In addition, an endoscope device is also provided, which comprises an endoscope handle and the endoscope focal length adjusting mechanism with compact structure.

Because of the application of the technical scheme, compared with the prior art, the utility model has the following advantages:

1) by arranging the focal length adjusting assembly which can be in compact fit with the handle and the connecting pipe of the endoscope, the focal length adjustment of the camera module is realized under the condition that the arrangement of elements is not influenced; the rotary adjusting piece is sleeved on the connecting pipe, so that an operator can conveniently adjust the rotary adjusting piece.

2) The spiro union ejector pad and the push rod of adjusting the pole are hollow structure for original endoscope circuit still can arrange smoothly in the well intracavity portion of push rod, does not influence original circuit arrangement space when increasing focus adjusting part, and whole structure is compacter.

3) First baffle and second baffle realize the mutual spacing of rotation regulation spare and connecting pipe, can make both relative rotations again when preventing both to break away from.

Drawings

FIG. 1 is a schematic diagram of the overall external structure of an embodiment of the present application;

fig. 2 is a structural diagram of a camera module according to an embodiment of the present application;

fig. 3 is a top view of a camera module according to an embodiment of the present disclosure;

FIG. 4 is a perspective view of the internal structure of an embodiment of the present application with the adjustment lever in one of its positions;

FIG. 5 is an enlarged, fragmentary view of the proximal end of FIG. 4;

FIG. 6 is an enlarged, fragmentary view of the distal end of FIG. 4;

FIG. 7 is a perspective view of the internal structure of an embodiment of the present application with the adjustment lever in another position.

Corresponding reference numerals are as follows:

the endoscope comprises an endoscope handle 1, a connecting pipe 2, a second baffle 21, a camera module 3, a lens 31, an FPC bottom plate 32, a CMOS sensor 33, a positioning shell 34, a rotary adjusting piece 4, a first baffle 41, an adjusting rod 5, a screw connection push block 51 and a push rod 52.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.

In the description of the present application, it is to be understood that the terms "upper", "lower", "top", "bottom", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are only for convenience in describing the present application and simplifying the description, and do not indicate or imply that the referred devices or elements must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present application. In the medical instrument, when an operator uses the medical instrument, the direction close to the operator is the proximal end, and the direction of the operator is the distal end.

Example 1:

in the present embodiment, as shown in fig. 1 to 7, a compact endoscope focal length adjustment mechanism is described, comprising:

the connecting pipe 2 is used for connecting the endoscope handle 1, and the connecting mode of the endoscope handle 1 and the connecting pipe 2 is the prior art, and can be direct connection or indirect connection, which is not described again;

further, the present embodiment includes a camera module 3, the camera module 3 is disposed in the inner cavity of the distal end of the connecting tube 2, and the camera module 3 includes a lens 31 and a photosensitive electronic component; when the connecting tube 2 of the endoscope extends into the human body, the reflected light of the internal tissue passes through the lens 31 and then irradiates the photosensitive electronic component through the focusing of the head portrait 31, and the photosensitive electronic component transmits the collected light signal to an external display device to form an image for an operator to observe.

In order to realize the focus of light on the sensitization electronic component, in this application, still be equipped with the focus adjusting part who adjusts the distance between lens 31 and the sensitization electronic component, focus adjusting part includes rotatory regulating part 4 and adjusts pole 5, rotatory regulating part 4 rotates and cup joints in the near-end of connecting

pipe

2, 4 inboards of rotatory regulating part are equipped with the internal thread, it includes spiro union ejector pad 51 and push rod 52 to adjust pole 5, spiro union ejector pad 51 is equipped with the external screw thread that matches with the internal thread of rotatory regulating part 4, push rod 52 one end and spiro union ejector pad 51 fixed connection, the other end and the lens 31 fixed connection of push rod 52, rotatory regulating part 4 is through passing through screw-thread fit with spiro union ejector pad 51 so that push rod 52 driving lens 31 is close to or keeps away from for the sensitization electronic component. By arranging the focal length adjusting assembly which can be in compact fit with the handle and the connecting pipe of the endoscope, the focal length adjustment of the camera module is realized under the condition that the arrangement of elements is not influenced; the rotary adjusting piece is sleeved on the connecting pipe, so that an operator can conveniently adjust the rotary adjusting piece. As can be seen from comparison between fig. 4 and fig. 7, when the positions of the rotary adjusting member 4 and the screw-on pushing block 51 are changed, the relative positions of the lens 31 and the photosensitive electronic component are also changed.

Preferably, in this embodiment, the screw-connection pushing block 51 and the pushing rod 52 of the adjusting rod 5 are both hollow structures, and the photosensitive electronic component is disposed in the inner cavity of the pushing rod 52 and fixed relative to the connecting tube 2. Specifically, last still the cover of sensitization electronic component is equipped with location casing 34 for be connected with other parts and shine on the sensitization electronic component with fixed sensitization electronic component, location casing 34 is hollow structure simultaneously, can supply the optic fibre to pass the back.

Preferably, in this embodiment, the electronic device further includes an electronic device connector (not shown in the figure), and one end of the electronic device connector is fixedly connected to the photosensitive electronic device, or is fixedly connected to the positioning housing 34; the other end penetrates through the adjusting rod 5 to be fixedly connected with the endoscope handle 1, the connecting pipe 2 is fixedly connected with the endoscope handle 1, and the push rod 52 of the adjusting rod 5 is attached to the inner wall of the connecting pipe, so that the original endoscope circuit can be still smoothly arranged in the hollow cavity of the push rod, the original circuit arrangement space is not influenced while the focal length adjusting assembly is added, and the whole structure is more compact.

Preferably, in this embodiment, the photosensitive electronic component includes an FPC board 32 and a CMOS sensor 33, and the CMOS sensor 33 is provided on the FPC board 32. The FPC is a Flexible Printed Circuit board; the CMOS is a Complementary Metal-Oxide-Semiconductor (CMOS).

Preferably, in this embodiment, the rotating sleeve of the rotating adjusting member 4 is provided with a first baffle plate 41, and the proximal end of the connecting tube 2 is provided with a second baffle plate matching with the first baffle plate 41. Realize the mutual spacing of rotatory regulating part and connecting pipe, can make both relative rotations again when preventing both to break away from.

Example 2:

the present embodiment describes an endoscope apparatus specifically including an endoscope handle 1 and a compact endoscope focal length adjusting mechanism as described in embodiment 1, as shown in fig. 1.

As described above, the present invention has been explained in full in accordance with the gist of the present invention, but the present invention is not limited to the above-described embodiments and implementation methods, and features of the embodiments may be combined with each other without contradiction. The practitioner of the related art can make various changes and implementations within the scope permitted by the technical idea of the present invention.

Claims

1. A compact endoscope focal length adjustment mechanism comprising:

a connecting pipe (2) used for connecting an endoscope handle (1),

the camera module (3) is arranged in the inner cavity at the far end of the connecting pipe (2), and the camera module (3) comprises a lens (31) and a photosensitive electronic component;

focus adjusting part, focus adjusting part includes rotation regulation spare (4) and adjusts pole (5), rotation regulation spare (4) rotate cup joint in the near-end of connecting pipe (2), rotation regulation spare (4) inboard is equipped with the internal thread, it includes spiro union ejector pad (51) and push rod (52) to adjust pole (5), spiro union ejector pad (51) be equipped with the internal thread assorted external screw thread of rotation regulation spare (4), push rod (52) one end with spiro union ejector pad (51) fixed connection, the other end of push rod (52) with lens (31) fixed connection, rotation regulation spare (4) through with spiro union ejector pad (51) pass through screw-thread fit so that push rod (52) drive lens (31) for photosensitive electronic component is close to or keeps away from.

2. The endoscope focal length adjustment mechanism with a compact structure according to claim 1, wherein the screw connection push block (51) and the push rod (52) of the adjustment rod (5) are both hollow structures, and the photosensitive electronic component is disposed in the inner cavity of the push rod (52) and fixed relative to the connection tube (2).

3. The compact endoscope focal length adjustment mechanism of claim 2, characterized by further comprising an electronic assembly connector, one end of the electronic assembly connector is fixedly connected with the photosensitive electronic assembly, the other end of the electronic assembly connector passes through the adjustment rod (5) and is fixedly connected with the endoscope handle (1), and the connection pipe (2) is fixedly connected with respect to the endoscope handle (1).

4. A compact endoscope focus adjustment mechanism according to claim 1, characterized by the fact that the light sensitive electronic components comprise an FPC base (32) and a CMOS sensor (33), said CMOS sensor (33) being provided on said FPC base (32).

5. A compact endoscope focal length adjustment mechanism according to claim 1, characterized in that the rotary adjusting member (4) is provided with a first baffle (41) on the rotary sleeve, and the connecting tube (2) is provided with a second baffle matching with the first baffle (41) at the proximal end.

6. An endoscopic apparatus comprising an endoscope handle (1) and an endoscope focus adjustment mechanism according to any of claims 1-5.