TWM547946U - Handheld illumination device for sigmoidoscopy - Google Patents

Description

Sigmoid colonoscope handheld lighting device

The invention relates to an auxiliary lighting device applied to a disposable medical device, in particular to a sigmoidoscope handheld lighting device which can be used with a disposable sigmoidoscope.

The structure design of the existing holding type disposable sigmoidoscope is as shown in FIG. 6 , which comprises a holding mirror holder 90 and a disposable sight glass 93 connected to the front end of the mirror holder 90; The rear end and the front end of the lens holder 90 are respectively provided with an eyepiece 91 for observation and a connecting head 92. The sight glass 93 is provided with a hollow plastic tubular tube which is transparent to light, and the rear end is coupled to the connecting head 92. The front end of the sight glass 93 is provided. A lead-in head 94 is provided. The connector head 92 is provided with a conduit hole 95 for providing functions of inflating, cleaning, and attracting dirt in the device. A light guide handle 96 is integrally coupled to the lens holder 90 to provide an external connection. The fiber optic head 97 is inserted into the light guiding handle 96 to provide an illumination function, or a lighting component is disposed directly inside the light guiding handle 96 to provide an illumination function. For the specific structural design of the existing disposable sigmoidoscope, please refer to the patent documents such as CN 2059073 U, CN 2527224 Y or US 2009/0209813 A1.

The existing sigmoidoscope is illuminated by the light source of the fiber optic head 97 disposed on the light guiding handle 96, which is refracted by the sputum and projected onto the body of the scope 93 to provide a sigmoidoscope into the anus, intestine or other The illumination function when inspecting the body cavity. However, the illumination structure design of the existing sigmoidoscope has the following problems in implementation: 1. Since the light source is projected to the speculum 93 in a refracting manner by the light guiding handle 96 coupled under the lens holder 90. The tube body is limited by the problem of the projection angle, and a local bright and partial dark unevenness problem is formed in the tube body of the sight glass 93, which easily affects the convenience and correctness of the inspection. 2. Directly setting the fiber optic head 97 or the illumination component to the light guide handle 96 not only causes the overall structure of the entire sigmoidoscope to be complicated and the use cost is high, but also must be taken to avoid the safety and health considerations of cross infection when the examination is completed. Abandoning the entire disposable sigmoidoscope is likely to cause unnecessary waste of resources and environmental problems.

In order to solve the problem of the illumination mode of the existing sigmoidoscope, the illumination effect is poor and the use cost is high. The present invention proposes a sigmoidoscope handheld illumination device used with a disposable speculum. The illumination assembly of the present invention is arranged around the inspection channel of the lens holder. The surrounding distribution is provided with a plurality of light-emitting elements, so that a plurality of light sources are directly projected onto the body of the disposable sight glass, which can provide uniform and bright illumination effects, and the present invention can be repeatedly used with different disposable speculums for operation and use. Reduce the cost of use.

The present invention solves the technical problem of the sigmoidoscope handheld illumination device, which comprises a handle body and a lighting assembly disposed inside the handle body, and defines a lens holder and a lens frame connected thereto by the handle body. a handle; wherein the lens holder is provided with a front and rear inspection passage, a flexible ring sleeve is disposed on the inspection channel, and a mirror cover is coupled to the rear end of the lens holder; the handle is formed inside a circuit chamber that communicates with the inspection channel and is provided with a switch holder; and the illumination assembly is provided with a circuit board that is annular and surrounds the inspection channel and is located on the front side of the ring pad, and is disposed at a plurality of illuminations on the circuit substrate And a circuit, wherein the circuit board is provided with a pair of wires extending to the slot to electrically connect a battery, and the switch block is provided with a switching element electrically connecting one of the wires.

Preferably, the mirror base is provided with a positioning recess on the inner wall of the middle position, and the front end of the circuit substrate and the ring sleeve are embedded in the positioning recess.

Preferably, the mirror base is provided with a pivot seat at the rear end, and the mirror cover is provided on the side with a pivot pivotally coupled to the pivot seat.

Preferably, the mirror base has a two-stage inner bore having a front inner diameter larger than the inner diameter of the rear section, forming a first edge at the joint position of the inner walls of the two sections and having a plurality of positions adjacent to the front side of the step edge. a positioning piece, the positioning groove is formed between the edge and the positioning piece.

Preferably, the mirror cover is provided with a lens portion.

Preferably, the mirror base is provided with more than one card insertion opening at the front end.

Preferably, the handle body is composed of a pair of housings; the handle is provided at the lower end of the slot chamber with a joint seat and a handle cover covering the joint seat, Forming a battery slot; the wire is electrically connected with a pair of electrical connectors, and the pair of electrical connectors are mounted to the connector block.

Preferably, the light-emitting element is a plug-in package light-emitting diode or a surface-adhesive light-emitting diode.

Compared with the prior art, the enhancements obtained by the technical means of the present invention include: 1. The present invention has a lighting assembly disposed inside the handle body and surrounded by a circular circuit substrate around the inspection channel of the lens holder. The plurality of light-emitting elements allow a plurality of light sources to be directly projected onto the body of the disposable scope, providing a uniform and bright illumination effect, and solving the problem that the illumination effect of the existing sigmoidoscope is poor and easily affects the convenience and accuracy of the inspection. 2. The novel and disposable goggles are combined in a detachable manner to form a sigmoidoscope, which not only makes the operation of the sigmoidoscope more convenient, but also simplifies the structure of the disposable speculum and effectively reduces the operating cost of the sigmoidoscope. . 3. The new model can be repeatedly used with different disposable speculums on the basis of safety and sanitation, effectively reducing the use cost of the sigmoidoscope, saving resources and complying with environmental protection requirements. 4. The new inspection channel of the lens holder is provided with a flexible ring sleeve, which can improve the convenience and stability of the single-view mirror connection assembly. 5. The present invention is provided with a lens portion having an optical magnification function on the mirror cover, which can improve the convenience of inspection and observation.

Referring to the preferred embodiment shown in FIG. 1 to FIG. 4 , the sigmoidoscope handheld illumination device of the present invention comprises a handle body 1 and a lighting assembly 30 disposed inside the handle body 1 and defined by the handle body 1 . A lens holder 10 and a handle 20 coupled to the lens holder 10 are formed, and a sight glass 40 can be detachably coupled to the lens holder 10 to form a sigmoidoscope for operation.

As shown in FIG. 1 and FIG. 2, the handle body 1 can be a combined structure formed by a pair of housings 1A and 1B, or a single-piece structure which is directly formed integrally. The present invention is not particularly limited. In the preferred embodiment shown, the handle body 1 is formed by a pair of housings 1A, 1B.

As shown in FIG. 2, FIG. 3 and FIG. 4, the lens holder 10 has a cylindrical structure in which the axial center is formed with a check passage 11 which is penetrated forward and backward, and a positioning recess 12 is formed on the inner wall of the middle portion of the lens holder 10. In the preferred embodiment shown in the figure, the lens holder 10 has a two-stage inner bore having a front inner diameter larger than the inner diameter of the rear section, and a first-order edge 121 is formed at the joint position of the inner walls of the two sections, adjacent to the step. A plurality of positioning pieces 122 are integrally disposed on the front wall of the front side of the lens holder 10 on the front side of the edge 121. The positioning groove 12 is formed between the edge 121 and the positioning piece 122.

The lens holder 10 is provided with a flexible collar 13 on the inspection channel 11. The ring sleeve 13 is provided with a ring 131 that can be fitted to the positioning slot 12, and the ring cover 13 is provided. The through hole 132 is disposed on the side of the ring cover 13 so as to enable the conduit connector 14 disposed on the side of the lens holder 10 to pass through the through hole 132. The lens holder 10 is connected to the rear end of the rear end of the lens holder 10 to provide a mirror cover 16 pivotally attached to the rear end of the lens holder 10. The mirror cover 16 is made of a transparent material. A pivot 161 is provided on the side for matching and pivoting to the pivot seat 15. The mirror cover 16 can cover and close the rear end of the inspection channel 11, and form a region in the area facing the inspection channel 11. A lens portion 162 having an optical amplifying function; the lens holder 10 is recessed on the upper side and the lower side of the front end to provide a card insertion opening 17 for positioning when the sight glass 40 is inserted.

The handle 20 is integrally coupled to the lower side of the lens holder 10 and is internally provided with a slot chamber 21 that can communicate with the inspection channel 11. The handle 20 is provided with a switch seat 22 at a position toward the rear side and is located in the slot chamber 21. The lower end is provided with a joint seat 23, and a handle cover 24 capable of being capped and coupled to the joint seat 23 is formed. A handle groove 25 is formed in the handle cover 24.

The illumination assembly 30 includes a circuit board 31 having a ring shape, a plurality of light-emitting elements 32 spaced apart from the circuit board 31, and a pair of wires 33 electrically connected to the circuit board 31. The pair of wires are electrically connected to the pair. The electrical connector 34 of the wire 33, a battery 35, and a switching element 36 electrically connected to one of the wires 33; wherein the circuit substrate 31 is embedded in the positioning slot 12 of the lens holder 10 and surrounds The inspection channel 11, in the preferred embodiment as shown, each of the light-emitting elements 32 is a plug-in package light-emitting diode (LED) and is located on the front side of the circuit substrate 31, and the wire 33 is placed in the groove chamber. 21, the pair of electrical connectors 34 are mounted on the connector holder 23, and the battery 35 is embedded in the battery slot 25 and electrically connected to the pair of electrical connectors 34. The switch component 36 is embedded in the switch housing 22 and is provided. A switch button extending the handle 20 allows the operator to control the opening or closing of the illumination assembly 30 with the switch element 36.

The speculum 40 is a light-transmissive hollow plastic tube structure and the shaft center defines a test channel. A derivation head 41 is disposed at the front end of the speculum 40, and a vertical extending screen is disposed at the rear end of the speculum 40. The plate 42 has a convex portion 421 protrudingly fitted to the pair of card insertion holes 17 at the upper edge and the lower edge of the rear side of the panel 42. The rear end of the mirror 40 is inserted and coupled to the rear end of the mirror 40. The insertion tube 43 is in an opaque manner, and the front end of the insertion tube 43 is fixedly coupled to the inspection channel of the speculum 40, and when the speculum 40 is assembled and coupled to the lens holder 10, the rear end of the insertion tube 43 The flexible circuit design of the loop cover 13 can be inserted and coupled to the lens holder 31 through the circuit board 31, and the flexible design of the loop cover 13 can be easily and stably inserted into the lens holder 10.

Another preferred embodiment of the illumination assembly 30A of the present invention is shown in FIG. 5. In the illustrated embodiment, each of the light-emitting elements 32A is an embodiment employing a surface-adhesive light-emitting diode (LED).

Referring to FIG. 1 , FIG. 2 and FIG. 3 , the present invention has the handle body 1 and the disposable scope 40 as a detachable combined structure, which can simplify the structure of the scope 40 and allow the sigmoidoscope to be configured. The operation is more convenient to use. In particular, the illumination assembly 30 of the present invention utilizes the circuit substrate 31 disposed around the inspection channel 11 to allow a plurality of light-emitting elements 32 to be disposed around the insertion tube 43 at equal intervals, with the insertion tube 43. The opaque design, as shown in FIG. 3, allows the light source generated by each of the light-emitting elements 32 to be directly projected forward to the body of the scope 40 to be evenly distributed throughout the scope 40, effectively providing the peek The mirror 40 is even and bright to optimize the lighting effect, improve the convenience and correctness of the sigmoidoscopy, and has great industrial value.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in any way. Any person having ordinary knowledge in the art can use the present invention without departing from the technical features of the present invention. Equivalent embodiments of the novel modifications or modifications made by the novel teachings are still within the scope of the novel features.

1‧‧‧handle body
1A, 1B‧‧‧ shell
10‧‧‧Mirror seat
11‧‧‧Test channel
12‧‧‧ Positioning slot
121‧‧‧
122‧‧‧ Positioning film
13‧‧‧ ring cushion
131‧‧‧Circle
132‧‧‧through hole
14‧‧‧Connector
15‧‧‧Side
16‧‧‧Mirror cover
161‧‧‧ pivot
162‧‧‧Lens Department
17‧‧‧ card insert
20‧‧‧handle
21‧‧‧slot chamber
22‧‧‧ switch seat
23‧‧‧ connector seat
24‧‧‧ handle cover
25‧‧‧Battery slot
30, 30A‧‧‧Lighting components
31‧‧‧ circuit board
32, 32A‧‧‧Lighting elements
33‧‧‧Wire
34‧‧‧Electrical connector
35‧‧‧Battery
36‧‧‧Switching elements
40‧‧‧ Mirror
41‧‧‧Derivation head
42‧‧‧ screen
421‧‧‧ convex
43‧‧‧Plug
90‧‧‧ mirror base
91‧‧‧ eyepiece
92‧‧‧Connecting head
93‧‧‧ Mirror
94‧‧‧Derivation head
95‧‧‧ catheter hole
96‧‧‧Light guide
97‧‧‧Fiber head

1 is a perspective view of a preferred embodiment of the present invention. Figure 2 is an exploded view of the components of the preferred embodiment of the present invention. Figure 3 is a combined cross-sectional view of a preferred embodiment of the present invention. 4 is a partial plan view of the preferred embodiment of the present invention. Figure 5 is a perspective view of another preferred embodiment of the illumination assembly of the present invention. Fig. 6 is a schematic plan view showing the appearance of a conventional sigmoidoscope.

1‧‧‧handle body

1A, 1B‧‧‧ shell

10‧‧‧Mirror seat

14‧‧‧Connector

15‧‧‧Side

16‧‧‧Mirror cover

161‧‧‧ pivot

17‧‧‧ card insert

20‧‧‧handle

24‧‧‧ handle cover

40‧‧‧ Mirror

41‧‧‧Derivation head

42‧‧‧ screen

421‧‧‧ convex

43‧‧‧Plug

Claims (10)

A sigmoid colonoscope handheld illumination device includes a handle body and a lighting assembly disposed inside the handle body, and defines a lens holder and a handle coupled to the lens holder by the handle body; wherein: the lens holder a check passage is provided, and a flexible loop sleeve is sleeved on the inspection passage, and a mirror cover is coupled to the rear end of the mirror base; the handle forms a slot connecting the inspection passage therein The circuit assembly is provided with a switch base; and the lighting assembly is provided with a circuit board which is annular and surrounds the inspection channel and is located on the front side of the ring cover pad. The circuit substrate is spaced apart from the plurality of light-emitting elements and is provided by the circuit substrate. A pair of wires extending to the chamber to electrically connect a battery are provided, and the switch block is provided with a switching element electrically connecting one of the wires. The sigmoidoscope handheld illumination device of claim 1, wherein the mirror base is provided with a positioning recess on the inner wall of the middle position, and the front end of the circuit substrate and the ring sleeve are embedded in the positioning. Insert slot. The sigmoidoscope hand-held illumination device of claim 2, wherein the mirror base is provided with a pivot seat at a rear end, and the mirror cover is provided with a pivot pivotally coupled to the pivot seat on the side. The sigmoidoscope hand-held illumination device of claim 3, wherein the lens holder has a two-stage inner bore having a front inner diameter greater than a rear inner diameter, forming a first edge at the joint position of the inner walls of the two segments and adjacent to the The position distribution on the front side of the step edge is provided with a plurality of positioning pieces, and the positioning insertion groove is formed between the step edge and the positioning piece. The sigmoidoscope hand-held illumination device of claim 4, wherein the mirror cover is provided with a lens portion. The sigmoidoscope hand-held illumination device of claim 5, wherein the lens holder is recessed with more than one card insertion opening at the front end. The sigmoidoscope hand-held illumination device of any one of claims 1 to 6, wherein the handle body is composed of a pair of housings. The sigmoidoscope handheld lighting device of claim 7, wherein the handle is provided at the lower end of the slot chamber with a connector base and a handle cover covering the connector seat, and a handle groove is formed in the handle cover; The wire is electrically connected to a pair of electrical connectors, and the pair of electrical connectors are mounted to the connector block. The sigmoidoscope hand-held illumination device of claim 7, wherein the light-emitting element is a plug-in package light-emitting diode. The sigmoidoscope hand-held illumination device of claim 7, wherein the light-emitting element is a surface-adhesive light-emitting diode.