CN112914488B - Laryngoscope with adjustable laryngoscope radian - Google Patents
Laryngoscope with adjustable laryngoscope radian Download PDFInfo
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- CN112914488B CN112914488B CN202110083520.3A CN202110083520A CN112914488B CN 112914488 B CN112914488 B CN 112914488B CN 202110083520 A CN202110083520 A CN 202110083520A CN 112914488 B CN112914488 B CN 112914488B
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- pipe section
- arc
- shaped
- laryngoscope
- straight pipe
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B1/00—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor
- A61B1/267—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor for the respiratory tract, e.g. laryngoscopes, bronchoscopes
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B1/00—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor
- A61B1/005—Flexible endoscopes
- A61B1/0051—Flexible endoscopes with controlled bending of insertion part
- A61B1/0055—Constructional details of insertion parts, e.g. vertebral elements
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B1/00—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor
- A61B1/04—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor combined with photographic or television appliances
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B1/00—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor
- A61B1/06—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor with illuminating arrangements
Abstract
The invention discloses a laryngoscope with adjustable laryngoscope radian, which comprises a handle and an accommodating pipe section, wherein the handle is arranged on the handle; the accommodating pipe section comprises a straight pipe section, an arc-shaped pipe section and an adjusting mechanism for adjusting the radian of the arc-shaped pipe section, and the handle is arranged on the lower surface of the straight pipe section; the end part of the arc-shaped pipe section embedded into the straight pipe section is provided with two convex parts which are connected with each other and pass through the circle center, and the inner surface of the end part far away from the straight pipe section is provided with two fixing rings which are used for fixing the camera and the light source respectively; two strip-shaped grooves used for enabling the protrusions to be embedded into and slide are formed in the length direction of one end of the straight pipe section, a plurality of clamping grooves used for limiting the protrusions are formed in the same side of each strip-shaped groove, and the length of the section where the clamping grooves in the same row are located is equal to the length of each strip-shaped groove; the adjusting mechanism comprises a steel wire rope, a containing box positioned on the outer surface of the straight pipe section and an adjusting structure arranged on the containing box to adjust the length of the steel wire rope positioned in the arc-shaped pipe section.
Description
Technical Field
The invention relates to a medical instrument for the throat, in particular to a self-retaining laryngoscope capable of regulating and controlling the radian of the laryngoscope.
Background
Laryngoscopes are medical instruments commonly used in oral laryngeal and tracheal medical procedures for viewing tissues adjacent to the epiglottis of a patient and collecting images of the patient's larynx. Traditional laryngoscope, doctor need press the blade of inserting patient's throat hard and observe the throat condition, and patient's painful degree is great, and some known visual laryngoscopes improve to this, utilize and place miniature camera in the blade and observe the throat condition, have obtained fine effect, still have following some problems of treating the optimization: because the different crowds are suitable, hospitals need to prepare and store a plurality of laryngoscope supports with different sizes and different bending radians according to the body types of patients.
When the medical laryngoscope is used, a proper laryngoscope support is found according to different faced crowds, so that more time can be consumed, particularly under the emergency condition, the medical staff is not facilitated to cure, and meanwhile, due to the fact that the laryngoscope supports of various models need to be equipped, the use cost is increased invisibly.
Disclosure of Invention
Aiming at the defects in the prior art, the laryngoscope for adjusting and controlling the radian of the laryngoscope provided by the invention can adjust the length and the radian of the corresponding structure extending into the throat of a human body.
In order to achieve the purpose of the invention, the invention adopts the technical scheme that:
the support laryngoscope capable of regulating and controlling the radian of the laryngoscope comprises a handle and a hollow accommodating pipe section which is made of medical-grade hard PVC; the containing pipe section comprises a straight pipe section, an arc-shaped pipe section and an adjusting mechanism for adjusting the radian of the arc-shaped pipe section, and the handle is arranged on the lower surface of the straight pipe section; the end part of the arc-shaped pipe section embedded into the straight pipe section is provided with two convex parts which are connected with each other and pass through the circle center, and the inner surface of the end part far away from the straight pipe section is provided with two fixing rings which are used for fixing the camera and the light source respectively;
two strip-shaped grooves used for enabling the protruding parts to be embedded and slide are formed in the length direction of one end of the straight pipe section, a plurality of clamping grooves used for limiting the protruding parts are formed in the same side of each strip-shaped groove, and the length of the section where the clamping grooves in the same row are located is equal to the length of each strip-shaped groove; the adjusting mechanism comprises a steel wire rope and a containing box positioned on the outer surface of the straight pipe section;
the upper side plate and the lower side plate of the containing box are both provided with chutes, and the corresponding positions of the straight pipe sections are provided with chutes matched with the chutes on the lower side plate; a sliding plate is arranged in the containing box, and extension arms arranged on the upper side and the lower side of the sliding plate respectively extend into the straight pipe section and above the upper side plate;
a flexible transverse plate is connected to the extension arm extending above the upper side plate, circular protrusions are arranged on the transverse plate at equal intervals, and a plurality of circular groove bodies which are communicated with the sliding grooves and matched with the circular protrusions are arranged on the sliding grooves of the upper side plate at equal intervals; one end of the steel wire rope is fixed on the extension arm extending into the straight pipe section, the other end of the steel wire rope is fixed at one end of the arc-shaped pipe section far away from the straight pipe section, and the middle section of the steel wire rope is attached to the inner surface of the arc-shaped pipe section.
The beneficial effects of the invention are as follows: according to the scheme, the straight pipe section and the arc-shaped pipe section are arranged to be in sliding connection, so that a doctor can pull out or retract the arc-shaped pipe section into the straight pipe section according to the general length of the oral cavity and the throat of a patient when the medical endoscope is used, and the tail end of the arc-shaped pipe section can reach the focus of the patient;
the setting of adjustment mechanism, when the arc pipeline section reachd the focus department, the doctor can shorten or extend the length that is located the wire rope of arc pipeline section through controlling the slide, and the radian through wire rope area arc pipeline section increases or reduces to make arc pipeline section and patient's larynx laminating, so that the doctor accurately realizes the observation of focus tissue through the camera.
Through the adjustment of the radian of the arc-shaped pipe section and the increase/reduction of the whole length of the straight pipe section and the arc-shaped pipe section, the wide-range adjustment of the radian can reduce the strain on oral muscles and the damage to teeth, and meanwhile, the support laryngoscope of the same model can be suitable for wider crowds.
Drawings
Fig. 1 is a schematic structural view of a support laryngoscope capable of regulating and controlling the radian of the laryngoscope.
FIG. 2 is a top view of the junction of a straight tube section and an arcuate tube section.
Fig. 3 is an enlarged view of a portion a in fig. 1.
FIG. 4 is a schematic view of an embodiment of the arcuate segment of section B of FIG. 1.
Fig. 5 is a schematic view of another embodiment of the arcuate segment of section B of fig. 1.
Fig. 6 is a plan view of the storage box.
Wherein, 1, accommodating the pipe section; 11. a straight pipe section; 111. a strip-shaped groove; 112. a card slot; 113. a tongue depressor; 12. an arc-shaped pipe section; 121. a boss portion; 122. a fixing ring; 13. an adjustment mechanism; 131. an inner layer tube; 132. an outer tube; 1321. an annular groove; 133. a wire rope;
134. a storage box; 1341. a chute; 1342. a circular trough body; 135. a slide plate; 1351. an extension arm; 1352. a transverse plate; 1353. a circular protrusion; 1354. a spring; 1355. a silica gel lip pad; 136. a side wall; 137. an annular steel ring; 138. an annular wall; 2. a handle; 21. reinforcing ribs; 22. and (4) anti-skid bulges.
Detailed Description
The following description of the embodiments of the present invention is provided to facilitate the understanding of the present invention by those skilled in the art, but it should be understood that the present invention is not limited to the scope of the embodiments, and it will be apparent to those skilled in the art that various changes may be made without departing from the spirit and scope of the invention as defined and defined in the appended claims, and all matters produced by the invention using the inventive concept are protected.
Referring to fig. 1, fig. 1 shows a schematic view of a laryngoscope having a laryngoscope arc adjustable; as shown in fig. 1, it comprises a handle 2 and a hollow accommodating pipe section 1 made of medical grade hard PVC; hold the equal non-enclosed construction in both ends of pipeline section 1, fixed camera and light source can penetrate from the one end that holds pipeline section 1, fix at other end opening part to observe the focus area of patient's larynx through other end opening.
The containing pipe section 1 comprises a straight pipe section 11, an arc-shaped pipe section 12 and an adjusting mechanism 13 for adjusting the radian of the arc-shaped pipe section 12, and the handle 2 is arranged on the lower surface of the straight pipe section 11; specifically, a reinforcing rib 21 is further disposed at the intersection of the handle 2 and the straight pipe section 11, and a conveniently-held anti-slip bulge 22 is disposed on the handle 2.
The setting of strengthening rib 21 can increase the stability of 2 junctions of handle, can avoid the doctor to insert when supporting the laryngoscope, grips handle 2 hard, causes handle 2 and holds the pipeline section 1 and take place to warp, and the influence is put into the normal work who holds the device in the pipeline section 1.
The end part of the arc-shaped pipe section 12 embedded in the straight pipe section 11 is provided with two protrusions 121 which are connected with each other and pass through the circle center, and the inner surface of the end part far away from the straight pipe section 11 is provided with two fixing rings 122 which are used for fixing the camera and the light source respectively; the fixing ring 122 can prevent the camera and the light source from shaking, so that the collected image shakes to influence the doctor to observe the focus of the patient.
As shown in fig. 2, two strip-shaped grooves 111 for enabling the protrusions 121 to be embedded into the straight tube section 11 are formed in the length direction of one end of the straight tube section, a plurality of clamping grooves 112 for limiting the protrusions 121 are formed in the same side of each strip-shaped groove 111, and the length of the section where the clamping grooves 112 in the same row are located is equal to the length of the strip-shaped groove 111.
The following will describe in detail the specific adjustment procedure, taking as an example the increase of the overall length of the containment duct section 1:
the convex part 121 is pressed downwards with force, so that the convex part 121 enters the straight pipe section 11 from the clamping groove 112, then the straight pipe section 11 is rotated to enable the convex part 121 to enter the strip-shaped groove 111, and then the arc-shaped pipe section 12 is pulled, so that the length of the arc-shaped pipe section 12 sunk into the straight pipe section 11 is reduced; when the length of the straight pipe section 1 is adjusted to a proper length, the bulge part 121 is pressed downwards with force, so that the bulge part 121 enters the straight pipe section 11 from the strip-shaped groove 111, and then the straight pipe section 11 is rotated so that the bulge part 121 enters the clamping groove 112, thereby completing the adjustment of the overall length of the accommodating pipe section 1.
As shown in fig. 3, the adjusting mechanism 13 comprises a wire rope 133 and a storage box 134 located on the outer surface of the straight pipe section 11; chutes 1341 are respectively formed on the upper side plate and the lower side plate of the containing box 134, and chutes 1341 matched with the chutes 1341 on the lower side plate are formed in the corresponding positions of the straight pipe sections 11; the sliding plate 135 is placed in the containing box 134, and the extension arms 1351 arranged on the upper side and the lower side of the sliding plate 135 extend into the straight pipe section 11 and above the upper side plate respectively.
A flexible transverse plate 1352 is connected to the extension arm 1351 extending above the upper side plate, and circular protrusions 1353 are arranged on the transverse plate 1352 at equal intervals; as shown in fig. 6, the chute 1341 of the upper side plate is provided with a plurality of circular grooves 1342 at equal intervals, which are communicated with the chute 1341 and are matched with the circular protrusions 1353; one end of the wire rope 133 is fixed on the extension arm 1351 extending into the straight pipe section 11, the other end is fixed on one end of the arc-shaped pipe section 12 far away from the straight pipe section 11, and the middle section is attached to the inner surface of the arc-shaped pipe section 12.
When the curvature of the arc pipe section 12 needs to be adjusted during use, taking the curvature of the arc pipe section 12 as an example:
the circular protrusions 1353 on the two sides of the transverse plate 1352 are pulled out of the circular groove body 1342, then the extension arm 1351 is pushed with force to drive the sliding plate 135 to slide towards the direction far away from the arc-shaped pipe section 12 so as to drive a part of the steel wire rope 133 to enter the straight pipe section 11 from the arc-shaped pipe section 12, the steel wire rope 133 shortened in the arc-shaped pipe section 12 can drive the arc-shaped pipe section 12 to be gradually bent so as to achieve radian adjustment, and when the curvature is adjusted to a desired curvature, the circular protrusions 1353 on the transverse plate 1352 are sunk into the circular groove body 1342 so as to prevent the arc-shaped pipe section 12 from being reset.
As shown in fig. 4, the arc pipe section 12 comprises an inner layer pipe 131 and an outer layer pipe 132, wherein one ends of the inner layer pipe 131 and the outer layer pipe 132 far away from the straight pipe section 11 are connected into a whole through a side wall 136, and the other ends are open; the convex part 121 is arranged on the outer surface of the outer layer tube 132, and the fixing ring 122 is arranged on the inner surface of the inner layer tube 131;
the steel wire rope 133 is positioned in the interlayer formed by the inner layer pipe 131 and the outer layer pipe 132, a plurality of annular steel rings 137 connected with the steel wire rope 133 are placed in the interlayer at equal intervals, and the annular steel rings 137 connected with the tail ends of the steel wire rope 133 are fixed on the side wall 136.
After the arc-shaped pipe section 12 adopts the structure, the steel wire rope 133 can be limited in a narrow channel, so that the situation that when the radian of the arc-shaped pipe section 12 is adjusted, the steel wire rope 133 moves in the whole arc-shaped pipe section 12 and winds cables of a camera and a light source which are put in during detection can be avoided; the limitation on the wire rope 133 can make the change of the arc length of the arc-shaped pipe section 12 equal to the change of the length of the wire rope 133, that is, the arc length changes by a certain amount when the wire rope 133 is shortened.
As shown in fig. 5, the arc pipe section 12 includes an inner pipe 131 and an outer pipe 132 which are separately arranged, and a ring of pipes is arranged at the end of the inner pipe 131
The end of the outer tube 132 is provided with a ring-shaped annular wall 138, and the annular wall 1321 is provided with a ring-shaped annular groove 1321 for inserting one side wall 136 of the annular wall 138, and the depth of the annular groove 1321 is smaller than the thickness of the outer tube 132.
The convex part 121 is arranged on the outer surface of the outer layer tube 132, and the fixing ring 122 is arranged on the inner surface of the inner layer tube 131; the steel wire rope 133 is positioned in the interlayer formed by the inner layer pipe 131 and the outer layer pipe 132, a plurality of annular steel rings 137 connected with the steel wire rope 133 are placed in the interlayer at equal intervals, and the annular steel rings 137 connected with the tail ends of the steel wire rope 133 are fixed on the annular wall 138.
If the laryngoscope is used only to penetrate the focus of a patient, the quick replacement of the outer tube 132 can be achieved by using the structure of the arc-shaped tube section 12 shown in fig. 5, so as to ensure that each patient uses different outer tubes 132, thereby achieving the purpose of avoiding cross infection; when the end of the inner tube 131 comes into contact with a patient, the end of the inner tube 131 needs to be sterilized in a concentrated manner when it is replaced.
In implementation, the outer surface of the inner tube 131 is preferably connected with a guide groove extending into the interlayer for guiding the steel wire rope 133, and the depth of the guide groove is smaller than the diameter of the steel wire rope 133. Due to the arrangement of the guide groove, the steel wire rope 133 can be prevented from shaking when moving, so that the radian of the arc-shaped pipe section 12 can be controlled within a certain range every time a doctor moves by 1cm, and accurate control of the radian is achieved.
In use, in order to prevent cross-infection and avoid the need to spend too much time sterilizing the laryngoscope, the structure for connecting the inner tube 131 and the outer tube 132 may be adjusted as follows:
form a circle
A ring-shaped wall 138 is arranged at the end part of the outer layer pipe 132 and faces the circle center direction, and a ring-shaped groove 1321 for embedding one side wall 136 of the ring-shaped wall 138 is arranged on the inner layer pipe 131; the other structures of the inner tube 131 and the outer tube 132 are the same as those shown in fig. 5, and thusThe outer tube 132 is designed to fully surround the inner tube 131 such that there is zero contact between the inner tube 131 and the patient during use.
As shown in fig. 1, a spring 1354 is connected between the side surface of the slide plate 135 and the side plate of the storage box 134. Through the spring 1354 and the deformation of the arc-shaped pipe section 12, the quick return of the radian of the arc-shaped pipe section 12 can be ensured when the laryngoscope is not used so as to enter the initial state of the next use.
A silica gel lip protecting pad 1355 which is larger than the end face of the containing box 134 in area and faces the arc-shaped pipe section 12 in concave surface is fixed on the side face of the containing box 134 adjacent to the arc-shaped pipe section 12. The lower surface of the straight pipe section 11 is connected with an arc-shaped tongue depressor 113 made of silica gel, the arc length of the tongue depressor 113 is 3 cm-5 cm, and the central angle is 40-60 degrees.
In conclusion, the overall length and radian of the support laryngoscope provided by the scheme can be properly adjusted according to the body types of patients, so that adverse reactions of each patient during use are reduced to the minimum.
Claims (5)
1. The support laryngoscope capable of regulating the radian of the laryngoscope comprises a handle and a hollow accommodating pipe section which is made of medical grade hard PVC; the handle is characterized in that the accommodating pipe section comprises a straight pipe section, an arc-shaped pipe section and an adjusting mechanism for adjusting the radian of the arc-shaped pipe section, and the handle is arranged on the lower surface of the straight pipe section; the end part of the arc-shaped pipe section embedded into the straight pipe section is provided with two convex parts which are connected with each other and pass through the circle center, and the inner surface of the end part far away from the straight pipe section is provided with two fixing rings which are used for fixing the camera and the light source respectively;
two strip-shaped grooves used for enabling the protrusions to be embedded into and slide are formed in the length direction of one end of the straight pipe section, a plurality of clamping grooves used for limiting the protrusions are formed in the same side of each strip-shaped groove, and the length of the section where the clamping grooves in the same row are located is equal to the length of each strip-shaped groove; the adjusting mechanism comprises a steel wire rope and a containing box positioned on the outer surface of the straight pipe section;
the upper side plate and the lower side plate of the containing box are both provided with chutes, and the corresponding positions of the straight pipe sections are provided with chutes matched with the chutes on the lower side plate; a sliding plate is placed in the containing box, and extension arms arranged on the upper side and the lower side of the sliding plate respectively extend into the straight pipe section and above the upper side plate;
a flexible transverse plate is connected to the extension arm extending above the upper side plate, circular protrusions are arranged on the transverse plate at equal intervals, and a plurality of circular groove bodies which are communicated with the sliding grooves and matched with the circular protrusions are arranged on the sliding grooves of the upper side plate at equal intervals; one end of the steel wire rope is fixed on an extension arm extending into the straight pipe section, the other end of the steel wire rope is fixed at one end of the arc-shaped pipe section far away from the straight pipe section, and the middle section of the steel wire rope is attached to the inner surface of the arc-shaped pipe section;
the arc-shaped pipe section comprises an inner layer pipe and an outer layer pipe which are arranged in a split mode, and a circle of the inner layer pipe is arranged at the end portion of the inner layer pipe
The end part of the outer layer pipe is provided with a ring of annular grooves for embedding one side wall of the annular wall;
the convex part is arranged on the outer surface of the outer layer pipe, and the fixing ring is arranged on the inner surface of the inner layer pipe; the steel wire ropes are positioned in an interlayer formed by the inner layer pipe and the outer layer pipe, a plurality of annular steel rings connected with the steel wire ropes are placed in the interlayer at equal intervals, and the annular steel rings connected to the tail ends of the steel wire ropes are fixed on the annular wall;
the handle with the intersection of straight tube section still is provided with the strengthening rib, just be provided with the non-skid protrusions who is convenient for grip on the handle.
2. The laryngoscope as recited in claim 1, wherein a guide slot is attached to the outer surface of the inner tube and extends into the interlayer for guiding the cable, and wherein the depth of the guide slot is less than the diameter of the cable.
3. A laryngoscope blade according to claim 1 wherein a spring is connected between the side of the blade and the side plate of the case.
4. The laryngoscope for supporting the laryngoscope according to claim 1, wherein the side of the containing box adjacent to the arc-shaped pipe section is fixed with a silica gel lip protecting pad which has an area larger than the end surface of the containing box and a concave surface facing the arc-shaped pipe section.
5. A laryngoscope according to claim 1, wherein the lower surface of the straight tube section is connected with an arc-shaped tongue depressor made of silica gel, the arc length of the tongue depressor is 3-5 cm, and the central angle of the tongue depressor is 40-60 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110083520.3A CN112914488B (en) | 2021-01-21 | 2021-01-21 | Laryngoscope with adjustable laryngoscope radian |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110083520.3A CN112914488B (en) | 2021-01-21 | 2021-01-21 | Laryngoscope with adjustable laryngoscope radian |
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| Publication Number | Publication Date |
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| CN112914488A CN112914488A (en) | 2021-06-08 |
| CN112914488B true CN112914488B (en) | 2023-04-11 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202110083520.3A Active CN112914488B (en) | 2021-01-21 | 2021-01-21 | Laryngoscope with adjustable laryngoscope radian |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4565187A (en) * | 1984-09-04 | 1986-01-21 | Soloway David J | Laryngoscope |
| CN203987969U (en) * | 2014-08-12 | 2014-12-10 | 深圳因赛德思医疗科技有限公司 | Video laryngoscope |
| CN207666571U (en) * | 2017-06-16 | 2018-07-31 | 四川大学华西第二医院 | A kind of visible laryngoscope |
| CN109497912A (en) * | 2018-12-14 | 2019-03-22 | 杭州市第人民医院 | A kind of Endoscope-assisted bending apparatus and its endoscope |
| CN210583352U (en) * | 2019-06-24 | 2020-05-22 | 天津市博丰兴电子技术有限公司 | Length-adjustable rectal electrode for pelvic floor rehabilitation instrument |
| CN210810914U (en) * | 2019-07-02 | 2020-06-23 | 贵州省人民医院 | Nasopharyngoscope |
| CN211187169U (en) * | 2019-11-15 | 2020-08-07 | 中南大学湘雅医院 | Arthroscope device |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3773135B1 (en) * | 2018-03-28 | 2024-02-14 | Auris Health, Inc. | Medical instruments with variable bending stiffness profiles |
-
2021
- 2021-01-21 CN CN202110083520.3A patent/CN112914488B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4565187A (en) * | 1984-09-04 | 1986-01-21 | Soloway David J | Laryngoscope |
| CN203987969U (en) * | 2014-08-12 | 2014-12-10 | 深圳因赛德思医疗科技有限公司 | Video laryngoscope |
| CN207666571U (en) * | 2017-06-16 | 2018-07-31 | 四川大学华西第二医院 | A kind of visible laryngoscope |
| CN109497912A (en) * | 2018-12-14 | 2019-03-22 | 杭州市第人民医院 | A kind of Endoscope-assisted bending apparatus and its endoscope |
| CN210583352U (en) * | 2019-06-24 | 2020-05-22 | 天津市博丰兴电子技术有限公司 | Length-adjustable rectal electrode for pelvic floor rehabilitation instrument |
| CN210810914U (en) * | 2019-07-02 | 2020-06-23 | 贵州省人民医院 | Nasopharyngoscope |
| CN211187169U (en) * | 2019-11-15 | 2020-08-07 | 中南大学湘雅医院 | Arthroscope device |
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| CN112914488A (en) | 2021-06-08 |
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