CN112914488A - Laryngoscope with adjustable laryngoscope radian - Google Patents
Laryngoscope with adjustable laryngoscope radianDownload PDFInfo
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- CN112914488A CN112914488ACN202110083520.3ACN202110083520ACN112914488ACN 112914488 ACN112914488 ACN 112914488ACN 202110083520 ACN202110083520 ACN 202110083520ACN 112914488 ACN112914488 ACN 112914488A
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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
- 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
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Abstract
Translated fromChinese
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: due to different applicable crowds, 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 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 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 storage 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 invention has the beneficial effects that: 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 ahandle 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 astraight pipe section 11, an arc-shaped pipe section 12 and anadjusting mechanism 13 for adjusting the radian of the arc-shaped pipe section 12, and thehandle 2 is arranged on the lower surface of thestraight pipe section 11; specifically, a reinforcingrib 21 is further disposed at the intersection of thehandle 2 and thestraight pipe section 11, and a conveniently-heldanti-slip bulge 22 is disposed on thehandle 2.
The setting of strengtheningrib 21 can increase the stability of 2 junctions of handle, can avoid the doctor to insert when supporting the laryngoscope, grips handle 2 hard, causeshandle 2 and holds the normal work that the device in the pipeline section 1 took place to warp with holding, and the influence is put into and is held the pipeline section 1.
The end part of the arc-shaped pipe section 12 embedded in thestraight pipe section 11 is provided with twoprotrusions 121 which are connected with each other and pass through the circle center, and the inner surface of the end part far away from thestraight pipe section 11 is provided with twofixing rings 122 which are used for fixing the camera and the light source respectively; thefixing 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 theprotrusions 121 to be embedded into thestraight tube section 11 are formed in the length direction of one end of the straight tube section, a plurality ofclamping grooves 112 for limiting theprotrusions 121 are formed in the same side of each strip-shaped groove 111, and the length of the section where theclamping 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 convexpart 121 is pressed downwards with force, so that theconvex part 121 enters thestraight pipe section 11 from theclamping groove 112, then thestraight pipe section 11 is rotated to enable theconvex 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 thestraight pipe section 11 is reduced; when the length of the straight pipe section 1 is adjusted to a proper length, theprotrusion part 121 is pressed downwards with force, so that theprotrusion part 121 enters thestraight pipe section 11 from the strip-shaped groove 111, and then thestraight pipe section 11 is rotated so that theprotrusion part 121 enters theclamping groove 112, thereby completing the adjustment of the overall length of the pipe-accommodating section 1.
As shown in fig. 3, theadjusting mechanism 13 comprises awire rope 133 and areceiving box 134 located on the outer surface of thestraight pipe section 11;chutes 1341 are formed in the upper side plate and the lower side plate of the containingbox 134, andchutes 1341 matched with thechutes 1341 on the lower side plate are formed in the corresponding positions of thestraight pipe sections 11; thesliding plate 135 is placed in the containingbox 134, and theextension arms 1351 arranged on the upper side and the lower side of thesliding plate 135 extend into thestraight pipe section 11 and above the upper side plate respectively.
A flexibletransverse plate 1352 is connected to theextension arm 1351 extending above the upper side plate, andcircular bulges 1353 are arranged on thetransverse plate 1352 at equal intervals; as shown in fig. 6, thechute 1341 of the upper side plate is provided with a plurality ofcircular grooves 1342 at equal intervals, which are communicated with thechute 1341 and are matched with thecircular protrusions 1353; one end of thewire rope 133 is fixed on theextension arm 1351 extending into thestraight pipe section 11, the other end is fixed on one end of the arc-shaped pipe section 12 far away from thestraight pipe section 11, and the middle section is attached to the inner surface of the arc-shaped pipe section 12.
When the curvature of thearc pipe section 12 needs to be adjusted during use, taking the curvature of thearc pipe section 12 as an example:
thecircular protrusions 1353 on the two sides of thetransverse plate 1352 are pulled out of thecircular groove 1342, then theextension arm 1351 is pulled with force to drive the slidingplate 135 to slide towards the direction away from the arc-shapedpipe section 12 so as to drive a part of thesteel wire rope 133 to enter thestraight pipe section 11 from the arc-shapedpipe section 12, thesteel wire rope 133 shortened in the arc-shapedpipe section 12 can drive the arc-shapedpipe section 12 to be gradually bent to achieve the adjustment of the radian, and when the curvature is adjusted to the desired curvature, thecircular protrusions 1353 on thetransverse plate 1352 are sunk into thecircular groove 1342 so as to prevent the arc-shapedpipe section 12 from.
As shown in fig. 4, thearc pipe section 12 comprises aninner layer pipe 131 and anouter layer pipe 132, wherein one ends of theinner layer pipe 131 and theouter layer pipe 132 far away from thestraight pipe section 11 are connected into a whole through aside wall 136, and the other ends are open; theconvex part 121 is arranged on the outer surface of theouter layer tube 132, and the fixingring 122 is arranged on the inner surface of theinner layer tube 131;
thesteel wire rope 133 is positioned in the interlayer formed by theinner layer pipe 131 and theouter layer pipe 132, a plurality of annular steel rings 137 connected with thesteel wire rope 133 are placed in the interlayer at equal intervals, and the annular steel rings 137 connected with the tail ends of thesteel wire rope 133 are fixed on theside wall 136.
After the arc-shapedpipe section 12 adopts the structure, thesteel wire rope 133 can be limited in a narrow channel, so that the situation that when the radian of the arc-shapedpipe section 12 is adjusted, thesteel wire rope 133 moves in the whole arc-shapedpipe section 12 and winds cables of a camera and a light source which are put in during detection can be avoided; the limitation on thewire rope 133 allows the arc length of thearcuate section 12 to vary by the same amount as the length of thewire rope 133, i.e., by how much thewire rope 133 is shortened, by how much the arc length varies.
As shown in fig. 5, thearc pipe section 12 includes aninner pipe 131 and anouter pipe 132 which are separately arranged, and a ring of pipes is arranged at the end of theinner pipe 131
The end of theouter tube 132 is provided with a ring-shapedannular wall 138, and theannular wall 1321 is provided with a ring-shapedannular groove 1321 for inserting oneside wall 136 of theannular wall 138, and the depth of theannular groove 1321 is smaller than the thickness of theouter tube 132.
Theconvex part 121 is arranged on the outer surface of theouter layer tube 132, and the fixingring 122 is arranged on the inner surface of theinner layer tube 131; thesteel wire rope 133 is positioned in the interlayer formed by theinner layer pipe 131 and theouter layer pipe 132, a plurality of annular steel rings 137 connected with thesteel wire rope 133 are placed in the interlayer at equal intervals, and the annular steel rings 137 connected with the tail ends of thesteel wire rope 133 are fixed on theannular wall 138.
If the laryngoscope is used only to penetrate the focus of a patient, the quick replacement of theouter tube 132 can be achieved by using the structure of the arc-shapedtube section 12 shown in fig. 5, so as to ensure that each patient uses differentouter tubes 132, thereby achieving the purpose of avoiding cross infection; when the end of theinner tube 131 comes into contact with a patient, the end of theinner tube 131 needs to be sterilized in a concentrated manner when it is replaced.
In implementation, the outer surface of theinner tube 131 is preferably connected with a guide groove extending into the interlayer for guiding thesteel wire rope 133, and the depth of the guide groove is smaller than the diameter of thesteel wire rope 133. Due to the arrangement of the guide groove, thesteel wire rope 133 can be prevented from shaking when moving, so that the radian of the arc-shapedpipe 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 theinner tube 131 and theouter tube 132 may be adjusted as follows:
form a circle
Anannular wall 138 shaped like a circular ring is provided at the end of theouter tube 132 toward the center of the circle, and anannular groove 1321 into which oneside wall 136 of theannular wall 138 is fitted is provided on theinner tube 131; the other structures of theinner tube 131 and theouter tube 132 are the same as those shown in fig. 5, and thus theouter tube 132 can completely surround theinner tube 131, so that there is no contact between theinner tube 131 and the patient when in use.
As shown in fig. 1, aspring 1354 is connected between the side surface of theslide plate 135 and the side plate of thestorage box 134. Through thespring 1354 and the deformation of the arc-shapedpipe section 12, the quick return of the radian of the arc-shapedpipe section 12 can be ensured when the laryngoscope is not used so as to enter the initial state of the next use.
A silica gellip protecting pad 1355 which is larger than the end face of the containingbox 134 in area and faces the arc-shapedpipe section 12 in concave surface is fixed on the side face of the containingbox 134 adjacent to the arc-shapedpipe section 12. The lower surface of thestraight pipe section 11 is connected with an arc-shapedtongue depressor 113 made of silica gel, the arc length of thetongue depressor 113 is 3 cm-5 cm, and the central angle is 40-60 degrees.
In conclusion, the whole length and radian of the support laryngoscope provided by the scheme can be properly adjusted according to the body type of the patient, so that adverse reaction of each patient during use is reduced to the minimum.
Claims (8)
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 arranged in the storage 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, far away from the straight pipe section, of the arc-shaped pipe section, and the middle section of the steel wire rope is attached to the inner surface of the arc-shaped pipe section.
2. The laryngoscope for controlling the radian according to claim 1, wherein the arc-shaped pipe section comprises an inner layer pipe and an outer layer pipe, one ends of the inner layer pipe and the outer layer pipe, which are far away from the straight pipe section, are connected into a whole through a side wall, and the other ends of the inner layer pipe and the outer layer pipe are provided with openings; 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 side wall.
3. The laryngoscope as recited in claim 2, wherein the curved section comprises an inner tube and an outer tube that are separable, and a ring is disposed at an end of the inner tube
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.
4. A laryngoscope according to claim 2 or claim 3, wherein the outer surface of the inner tube is provided with a guide slot extending into the interlayer for guiding the wire cable, and the depth of the guide slot is less than the diameter of the wire cable.
5. A laryngoscope according to claim 1, wherein a spring is connected between the side of the sliding plate and the side plate of the storage box.
6. 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.
7. The laryngoscope capable of regulating and controlling the radian of the laryngoscope as claimed in claim 1, wherein a reinforcing rib is further arranged at the junction of the handle and the straight tube section, and the handle is provided with a conveniently-held anti-slip bulge.
8. 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 cm-5 cm, and the central angle of the tongue depressor is 40 ° to 60 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110083520.3ACN112914488B (en) | 2021-01-21 | 2021-01-21 | Laryngoscope with adjustable laryngoscope radian |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110083520.3ACN112914488B (en) | 2021-01-21 | 2021-01-21 | Laryngoscope with adjustable laryngoscope radian |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112914488Atrue CN112914488A (en) | 2021-06-08 |
| CN112914488B CN112914488B (en) | 2023-04-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110083520.3AExpired - Fee RelatedCN112914488B (en) | 2021-01-21 | 2021-01-21 | Laryngoscope with adjustable laryngoscope radian |
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| Country | Link |
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| CN (1) | CN112914488B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115444583A (en)* | 2022-09-15 | 2022-12-09 | 上海卓昕医疗科技有限公司 | A stretchable elastic support mechanism |
| CN120130906A (en)* | 2025-03-18 | 2025-06-13 | 北京大学第三医院（北京大学第三临床医学院） | Laryngoscope |
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| 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 |
| US20190298460A1 (en)* | 2018-03-28 | 2019-10-03 | Auris Health, Inc. | Medical instruments with variable bending stiffness profiles |
| 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 |
- 2021
- 2021-01-21CNCN202110083520.3Apatent/CN112914488B/ennot_activeExpired - Fee Related
Patent Citations (8)
| 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 |
| US20190298460A1 (en)* | 2018-03-28 | 2019-10-03 | Auris Health, Inc. | Medical instruments with variable bending stiffness profiles |
| 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 |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115444583A (en)* | 2022-09-15 | 2022-12-09 | 上海卓昕医疗科技有限公司 | A stretchable elastic support mechanism |
| CN120130906A (en)* | 2025-03-18 | 2025-06-13 | 北京大学第三医院（北京大学第三临床医学院） | Laryngoscope |
Also Published As
| Publication number | Publication date |
|---|---|
| CN112914488B (en) | 2023-04-11 |
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