TWI638632B - Handheld illumination device for sigmoidoscopy - Google Patents

Abstract

The invention relates to a hand-held illumination device for a sigmoidoscope, comprising a hand-held component and a lighting component disposed on the hand-held component, the hand-held component being provided with a lens holder, the lighting component being provided with a circuit in a ring shape and positioned on the lens holder a substrate, the circuit substrate is provided with a plurality of light-emitting elements and a touch-sensitive switch spaced around the inspection channel of the lens holder, and the contact member of the touch-control switch protrudes into a middle tube hole of the circuit substrate. When the plug-in tube of the disposable speculum is inserted and coupled to the hand-held component, the touch component of the touch switch can be automatically pressed to activate the illumination component to provide illumination, and the operation of the invention is simple and convenient to use, and is arranged in a wraparound manner. The illuminating elements provide a uniform and bright illumination, which is an effective way to improve the convenience of sigmoidoscopy.

Description

Handheld illumination device for sigmoidoscopy

The present invention relates to an auxiliary operating device for use in a disposable medical device, and more particularly to a hand-held lighting device for a sigmoidoscope.

The structural design of the sigmoidoscope currently operated in a holding manner is as shown in FIG. 7 , and is provided with a lens holder 90 for providing a user's grip. The rear end and the front end of the lens holder 90 are respectively provided with an eyepiece 91 for observation. And a connector 92, the connector 92 is provided with a disposable sight glass 93 connected to the front end of the lens holder 90. The sight glass 93 is a light transmissive hollow plastic tube and a front end is formed with a push conduit 94. The head 92 is provided with a conduit aperture 95 which provides for inflation, cleaning and attraction of dirt within the instrument. A handle 96 is extendedly coupled to the lens holder 90, and an external fiber optic head 97 is inserted into the handle 96 to provide an illumination function, or an illumination component (not shown) is disposed directly inside the handle 96. Lighting function.

The existing sigmoidoscope adopts an illumination method in which a light source disposed on the handle 96 is refracted and projected onto the body of the scope 93 to provide illumination for the sigmoidoscope to enter the anus, the intestine or other body cavity. . However, the illumination structure design of the existing sigmoidoscope has at least the following problems in its implementation:

1. The fiber optic head 97 or the lighting assembly mounted on the handle 96 must rely on the medical personnel to control the opening and closing by means of a switch, but the medical staff often uses the medical device to inflate, clean, and use the sigmoidoscope for inspection. Attracting dirt or applying drugs at this time, it is quite troublesome to use the switch to control the opening and closing of the lighting assembly at the same time.

2. The existing light source is projected by the handle 96 in a refracting manner to the body of the scope 93 because of the projection The limitation of the angle causes a local bright and partial dark unevenness in the body of the scope 93, which easily affects the convenience and correctness of the inspection.

In order to solve the problem of the lighting device of the existing disposable sigmoidoscope, there is a problem that the medical personnel need to control the opening and closing and the illumination effect by the switch. The invention proposes that the illumination component can be automatically activated directly when the mirror is combined to provide uniform and bright illumination. The effect of the sigmoidoscope handheld illumination device is to solve the technical problems existing in the existing disposable sigmoidoscope illumination device.

The present invention solves the technical problem of the sigmoidoscope handheld illumination device, comprising: a hand-held component having a lens holder and a handle coupled to the lens holder, the lens holder having a front and rear inspection passage and a middle position a positioning slot is provided, the handle is provided with a slot chamber communicating with the inspection channel; and a lighting assembly having an annular circuit board mounted on the lens holder by the positioning slot, the circuit substrate corresponding to The inspection channel is provided with a middle tube hole, and a plurality of light-emitting elements are disposed around the circuit substrate. The circuit board electrically connects a pair of wires extending to the slot, and the pair of wires are electrically connected to one or more via a pair of electrical connectors. The battery is characterized in that: a touch switch is disposed on the circuit board, the touch switch is provided with a contact member on a side facing the middle tube hole, and an end edge of the touch member is directed to the axis of the middle tube hole The direction of the heart protrudes into the range of the middle tube hole; thereby, when a plug tube of a sight glass is inserted through the middle tube hole of the circuit substrate, the touch member can be pressed against the light to activate the illumination Pieces.

Preferably, the lens holder is provided with a loop sleeve which is flexible and surrounds the inspection channel, and the front end of the ring sleeve is provided with a ring embedded in the positioning slot. The circuit substrate is tied to the front side of the ring.

Preferably, a mirror cover is pivotally coupled to the rear end of the lens holder, and the mirror cover is provided with a lens portion corresponding to the inspection channel.

Preferably, the handle is provided at the lower end of the slot chamber with a connector seat for positioning the electrical connector, and a handle cover covering the lower end of the handle, and the handle cover forms a battery for the battery The accommodating battery is slotted.

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

Preferably, the lens holder has a two-stage inner wall having a front inner diameter larger than the inner diameter of the rear portion, and a first-order edge and a rib ring adjacent to the inner edge are formed at the joint positions of the two inner walls. A positioning slot is formed between the step edge and the rib ring.

Preferably, the lens holder is provided with a plurality of positioning pieces spaced apart from each other at the position of the rib ring, and the rear side of each positioning piece abuts against the circuit substrate.

Compared to the prior art, the enhancements obtained by the technical means of the present invention include:

1. The circuit board of the lighting assembly of the present invention surrounds the inspection channel of the lens holder, and the contact member of the touch switch disposed on the circuit substrate protrudes into the middle tube hole of the circuit substrate, and the disposable sight glass is inserted into the tube. When the plug is coupled to the hand-held component, the touch component of the touch switch can be directly pressed to start the illumination component to provide illumination, and the operation is relatively simple and convenient, and the switch is not required to be controlled by the medical personnel to control the opening and closing of the illumination component. Practical benefits.

2. The illumination assembly of the present invention is provided with a plurality of light-emitting elements around the inspection channel of the lens holder, so that the light sources of the plurality of light-emitting elements can be directly projected onto the body of the disposable sight glass to produce uniform and bright illumination effects. Improve the convenience and correctness of sigmoidoscopy.

3. The hand-held component and the speculum of the invention are detachably combined to effectively simplify the structural design of the disposable speculum, and can be repeatedly used with different disposable speculums on the basis of safety and hygiene, effectively Reduce the cost of sigmoidoscopy, save resources and meet environmental requirements.

4. The present invention is provided with a flexible loop sleeve on the lens holder, which can improve the convenience and stability of the disposable speculum plug combination.

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. Sex.

10‧‧‧Handheld components

1A, 1B‧‧‧ half shell

11‧‧‧Mirror seat

111‧‧‧Test channel

112‧‧‧

113‧‧‧ Rib ring

114‧‧‧ Positioning slot

115‧‧‧ Positioning film

116‧‧‧Connector

117‧‧‧ squat

118‧‧‧ card insert

12‧‧‧handle

121‧‧‧Slot room

122‧‧‧ channel

123‧‧‧ connector seat

124‧‧‧ convex block

13‧‧‧ ring cushion

131‧‧‧Circle

132‧‧‧through hole

14‧‧‧Mirror cover

141‧‧‧ pivot

142‧‧‧Lens Department

15‧‧‧ handle cover

151‧‧‧Battery slot

20, 20A‧‧‧Lighting components

21‧‧‧ circuit board

211‧‧‧Intermediate tube hole

22, 22A‧‧‧Lighting elements

23‧‧‧Touch switch

231‧‧‧Touch parts

24‧‧‧Wire

25‧‧‧Electrical connector

30‧‧‧Battery

40‧‧‧ Mirror

41‧‧‧ screen

411‧‧‧Card inlay

42‧‧‧ push catheter

43‧‧‧Plug

90‧‧‧ mirror base

91‧‧‧ eyepiece

92‧‧‧Connecting head

93‧‧‧ Mirror

94‧‧‧ push catheter

95‧‧‧ catheter hole

96‧‧‧handle

97‧‧‧Fiber head

BRIEF DESCRIPTION OF THE DRAWINGS Figure 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 partial cross-sectional structural view of a preferred embodiment of the present invention.

4 is a schematic view showing the operation of the contactor capable of pressing against the touch switch when the plug pipe of the sight glass is inserted in the preferred embodiment of the present invention.

Figure 5 is a combined cross-sectional view of a preferred embodiment of the present invention.

Figure 6 is a perspective view of another preferred embodiment of the lighting assembly of the present invention.

Fig. 7 is a schematic plan view showing the appearance of a conventional sigmoidoscope.

Referring to the preferred embodiment shown in FIG. 1 and FIG. 2, the handheld illumination device of the sigmoidoscope of the present invention comprises a hand-held component 10 and a lighting component 20 disposed inside the hand-held component 10, which can provide a disposable type. The scope 40 is detachably coupled to the hand-held assembly 10 to form a complete sigmoidoscope for operational use.

The hand-held component 10 can be a one-piece structure that is integrally formed or a combined structure that is formed by a pair of half-shells 1A, 1B. The present invention is not particularly limited. In the preferred embodiment as shown, The hand-held assembly 10 is constructed by a pair of partial housings 1A, 1B. The hand-held assembly 10 has a substantially cylindrical lens holder 11 , a handle 12 coupled to the lower side of the lens holder 11 , and a ring sleeve 13 embedded in the lens holder 11 . The end mirror cover 14 and a handle cover 15 coupled to the lower end of the handle 12 constitute a member. Wherein, as shown in FIG. 2, FIG. 3 and FIG. 5, the lens holder 11 is a cylindrical structure in which an axially-aligned inspection passage 111 is formed, and a positioning recess is formed on the inner wall of the middle portion of the mirror base 11. 114, in the In the preferred embodiment shown in the figure, the lens holder 11 has a two-stage inner wall having an inner diameter of the front section greater than the inner diameter of the rear section, and a radial difference between the joint positions of the inner walls of the two sections forms a first-order edge 112 and is adjacent to The inner wall of the front end of the mirror base 11 of the step 122 protrudes to form an annular rib ring 113 and a plurality of spaced apart positioning pieces 115. The positioning recess 114 is formed between the step 112 and the rib ring 113. . The mirror base 11 is provided with a conduit joint 116 on the side of the rear section, a pivot seat 117 on the top side of the rear end of the mirror mount 11, and a pair of corresponding recesses on the upper side and the lower side of the front end of the mirror mount 11 When the sight glass 40 is inserted, the positioned card insertion opening 118 is embedded.

The handle 12 is integrally connected to the lower side of the lens holder 11 and has a hollow chamber 121. The chamber 121 communicates with the inspection channel 111 via a passage 122. The handle 12 is provided with a joint near the lower end. The seat 123 is provided with a pair of convex blocks 124 at the joint 123.

The ring sleeve 13 is provided with a flexible inspection sleeve 111 disposed on the lens holder 11. The ring sleeve 13 is provided with a ring 131 that can be fitted to the positioning slot 114. 13 can be firmly nested and coupled to the lens holder 11 , and a pair of through holes 132 corresponding to the pipe joint 116 are disposed on the side of the ring cushion 13 , so that the pipe joint 116 can communicate through the through hole 132 . The mirror cover 14 is formed of a transparent material and is pivotally attached to the rear end of the lens holder 11. The mirror cover 14 is provided on the top side for matching and pivoting to the pivot base 117. The pivot 141 and a lens portion 142 having an optical amplification function are formed in a region corresponding to the inspection passage 111.

The handle cover 15 is snap-fitted to the lower end of the handle 12 and is provided with a battery slot 151.

As shown in FIG. 2, FIG. 3 and FIG. 4, the illumination assembly 20 includes a circuit board 21 having a ring shape, a plurality of light-emitting elements 22 disposed around the circuit board 21, and a touch provided on the circuit board 21. a voltage switch 23, a pair of wires 24 electrically connected to the circuit substrate 21, a pair of electrical connectors 25 electrically connected to the pair of wires 24, and one or more batteries 30; wherein the circuit substrate 21 is embedded The alignment slot 114 of the lens holder 11 surrounds the inspection channel 111, and a pair of intermediate tube holes 211 of the inspection channel 111 are formed on the circuit substrate 21; in the preferred embodiment as shown, each of the light-emitting elements 22 is a six plug-in package light-emitting diode (LED) and is equally spaced around the front side of the circuit substrate 21; The pressure switch 23 is disposed on the circuit board 21 to control the activation or the closing of the illumination unit 20. The touch switch 23 is provided with a contact member 231 on a side of the intermediate tube hole 211. The contact member 231 is provided. The end edge protrudes into the range of the intermediate tube hole 211 toward the axial direction of the middle tube hole 211; the pair of wires 24 are electrically connected to the circuit substrate 21 and extend through the channel 122 to the groove chamber 121; The electrical connection 25 is electrically coupled to the pair of wires 24 and is snap-fitted to the connector block 123 by the pair of cams 124; in the preferred embodiment, the one or more batteries 30 are shown. The two eco-friendly button cells are embedded in the battery slot 151 to electrically connect the pair of electrical connectors 25.

The sight glass 40 is a light transmissive hollow plastic tube structure and the axial center defines a test channel. The sight glass 40 includes a screen 41 which is formed at a rear end and extends vertically, and is coupled to the screen 41 and faces forward. An extension of the push tube 42 and a plug tube 43 coupled to the rear end of the push tube 42; wherein the screen 41 has a pair of latching portions 411 corresponding to the upper edge and the lower edge of the rear side, as shown in FIG. 1 and As shown in FIG. 5, the pair of card fittings 411 can be matched with the pair of card fittings 118 of the hand-held component 10, so that the scope 40 is stably inserted and coupled to the hand-held component 10; The rear end of the mirror 40 is in an opaque manner, and the front end of the insertion tube 43 is fixedly coupled to the inspection channel of the scope 40. When the scope 40 is assembled and coupled to the lens holder 11, as shown in FIG. 1 and FIG. As shown in FIG. 5, the rear end of the insertion tube 43 can be inserted and coupled to the front portion of the loop pad 13 through the circuit board 21, and the loop cover 13 is designed to be flexible, and the plug can be inserted. A convenient and stable plug of the connector 43 is coupled to the lens holder 11.

Referring to FIG. 3, FIG. 4 and FIG. 5, the contact member 231 of the touch switch 23 of the illumination assembly 20 of the present invention protrudes into the range of the intermediate tube hole 211 of the circuit substrate 21, and the insertion tube 43 is in the insertion tube 43. When the rear end of the insertion tube 43 passes through the circuit board 21, the rear end of the insertion tube 43 presses against the contact 231 of the touch switch 23 to activate the light-emitting elements 22 of the illumination unit 20 to generate a light source.

FIG. 6 shows another preferred embodiment of the illumination assembly 20A of the present invention. In the embodiment shown in the figure, each of the light-emitting elements 22A is an embodiment using a surface-adhesive light-emitting diode (LED). The structural design of the other members is the same as the foregoing preferred embodiment and will not be repeated.

Referring to FIG. 1 to FIG. 5, the circuit substrate 21 of the illumination assembly 20 of the present invention surrounds the inspection channel 111 of the lens holder 11, and the contact member 231 of the touch switch 23 protrudes into the circuit substrate 21. The range of the middle tube hole 211 can automatically activate the illumination assembly 20 to provide illumination while the scope 40 is plugged and coupled to the hand-held assembly 10, and the operation is relatively simple and convenient, and does not need to be additionally Medical personnel control the lighting assembly with specific switches to fully meet the needs of the sigmoidoscopy operation. Each of the light-emitting elements 22 of the illumination unit 20 of the present invention surrounds the push-pull 42 disposed on the circuit board 21 and corresponding to the sight glass 40. The insertion tube 43 is opaque, as shown in FIG. The light source generated by the light-emitting element 22 is directly projected forward to the push duct 42 of the sight glass 40 and evenly distributed throughout the push duct 42 to effectively provide an excellent illumination effect of the sight glass 40 being uniform and bright.

The above is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention. Any one of ordinary skill in the art can use the present invention without departing from the technical features of the present invention. Equivalent embodiments of the local changes or modifications made by the disclosed technology are still within the scope of the technical features of the present invention.

Claims (10)

A hand-held illumination device for a sigmoidoscope includes: a hand-held assembly having a lens holder and a handle coupled to the lens holder, the lens holder having a front and rear inspection passage and a positioning recess at the middle portion The handle is provided with a slot chamber communicating with the inspection channel; and a lighting assembly having a circuit board mounted in the lens holder by the positioning slot, the circuit board having a middle tube hole corresponding to the inspection channel Having a plurality of light emitting elements spaced around the circuit substrate, the circuit substrate electrically connecting a pair of wires extending to the cell, the pair of wires electrically connecting one or more batteries via a pair of electrical connectors, wherein: The circuit board is provided with a touch switch, and the touch switch is provided with a contact member on a side facing the middle tube hole, and an end edge of the touch member protrudes into the middle of the center tube hole in the axial direction. The range of the tube hole; thereby, when a plug tube of the sight glass is inserted through the middle tube hole of the circuit substrate, the touch device can be pressed against the touch device to activate the illumination assembly. The hand-held illumination device of the sigmoidoscope according to claim 1, wherein the lens holder is provided with a loop cover pad which is flexible and surrounds the inspection channel, and the front end of the ring sleeve is provided with an embedded device. The loop of the positioning slot is such that the circuit substrate is tied to the front side of the ring. The hand-held illumination device of the sigmoidoscope according to claim 2, wherein a mirror cover is pivotally coupled to the rear end of the lens holder, and the mirror cover is provided with a lens portion corresponding to the inspection channel. A hand-held illumination device for a sigmoidoscope according to claim 3, wherein said hand-held component is comprised of a pair of half-shells. The hand-held illumination device of the sigmoidoscope according to claim 4, wherein the handle is provided at the lower end of the chamber with a joint for positioning the electrical connector, and a handle covering the lower end of the handle. The handle cover forms a battery slot for the battery to be received. A hand-held illumination device for a sigmoidoscope according to claim 5, wherein the lens holder is More than one card insert is provided in the front end. The hand-held illuminating device of the sigmoidoscope according to any one of claims 1 to 6, wherein the lens holder has a two-stage inner wall having a front inner diameter larger than a rear inner diameter, and is formed at a joint position of the inner walls of the two sections. A first edge and a rib ring adjacent to the edge, the positioning groove is formed between the edge and the rib ring. The hand-held illumination device of the sigmoidoscope according to claim 7, wherein the lens holder is provided with a plurality of positioning pieces spaced apart from each other at a position of the rib ring, and a rear side of each positioning piece abuts against the circuit substrate. A hand-held illumination device for a sigmoidoscope according to claim 8, wherein the light-emitting element is a plug-in package light-emitting diode. The hand-held illumination device of the sigmoidoscope according to claim 8, wherein the light-emitting element is a surface-adhesive light-emitting diode.