CN205054155U - Piece subassembly is peeied at to laryngoscope - Google Patents
Piece subassembly is peeied at to laryngoscope Download PDFInfo
- Publication number
- CN205054155U CN205054155U CN201520341985.4U CN201520341985U CN205054155U CN 205054155 U CN205054155 U CN 205054155U CN 201520341985 U CN201520341985 U CN 201520341985U CN 205054155 U CN205054155 U CN 205054155U
- Authority
- CN
- China
- Prior art keywords
- light pipe
- laryngoscope blade
- main body
- base
- tip
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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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
Abstract
The utility model discloses a piece subassembly is peeied at to laryngoscope contains one and peeies at the piece, should peep at the piece and have the most advanced and orientation that a vertical length direction in edge extends the most advanced light pipe that extends, the light pipe contains a most advanced part, its cross section transversely in peep at vertical length of piece, the cross section of most advanced part has width and height, its width weak point in height. Do than high weak point through the width the light pipe, its hinder endotracheal tube or other for example the possibility of the equipment of camera will reduce.
Description
Technical field
The present invention relates to a kind of laryngoscope blade assembly, for checking the throat region of patient.
Background technology
Known laryngoscope blade assembly comprise one from base extend spy on sheet, be installed on handle conversely as a rule, formed Pharyngoscope.Most is representational is called the camber laryngoscope blade of " MacIntoshblade " for one, it needs to insert the centre, oral cavity between tongue root and larynx lid in use, by lifting the tissue that larynx covers, tongue holder being existed, exposing the throat of patient.When giving patient's intubate, laryngoscope blade will insert in the oral cavity of patient with a hands by doctor, and imports tracheal intubation with an other hands, thus passes into anesthetic gases or connect other device.Above-mentioned laryngoscope blade in the process of work, and the operating area that illuminate patient's mouth in luminous by the light pipe that is mounted thereon, thus the completing of auxiliary above-mentioned work.Wherein, light source can be installed on handle usually.
Summary of the invention
The invention provides a kind of laryngoscope blade assembly of improvement.
First scheme of the present invention: a kind of laryngoscope blade assembly, comprise one and spy on sheet, this spies on the tip that sheet has a longitudinally length direction extension and the light pipe extended towards described tip, described light pipe comprises a tip portion, its cross section is transverse to the described longitudinal length spying on sheet, the cross section of described tip portion has width and height, and its width is shorter than height.
The advantage of the first string of the present invention is extremely important.When doctor is with known laryngoscope blade assembly, when the tongue of patient is looked down in the longitudinal length direction towards light pipe, sight line can be disturbed by end.Further, when endotracheal tube is stretched down below the tongue of patient, obstruction may be had at the tip of light pipe, then adopt expandable balloon that endotracheal tube is remained on correct position in some cases, and this may touch the end of light pipe and be damaged by the end of light pipe.By the width of light pipe is done shorter than highly, it hinders the probability of endotracheal tube or other equipment (such as photographing unit) to reduce.
Further preferably, described tip portion terminad extends, and its width is tapered towards end.The advantage of this scheme is, adopts mild taper, can away from or reduce sharp-pointed or uneven barrier.Light pipe comprise one outwards with spy on sheet away from face or surface, progressively attenuated by width, this outwards towards the barrier that runs into of face understand less.
Further preferably, the height of described tip portion outwards becomes large gradually towards end.Like this, the cross-sectional area of light pipe especially tip portion do not have king-sized change.This just mean by end outwards correspondingly improve or increase height, along light pipe transmission light can not reduce significantly.
Light pipe comprise one stretch main body, this main body from near-end towards tip portion extend and main body is roughly cylindrical.By adopting the main body of the stretching had roughly in cylindrical cross section, light optimally can be transferred to tip.
Further, this laryngoscope blade assembly comprises one for being fixedly installed to the base on handle, spies on sheet and extends from base.Can be connected with the bar handle towards the lock slots that the tip spying on sheet extends from base by arranging on base one and base is fixedly connected with handle.Further, base is also provided with one or more engagement formation, corresponding with the connected structure corresponding on handle.This engagement formation when being installed on handle to internal strain, and may roughly return to non-deformed or unpressurized form in installation site, its connected structure corresponding on handle when this position matches.
Light pipe comprises an elongated body extended to tip portion from near-end, the near-end of described main body is positioned at the described installing hole on described base, the near-end of main body being also provided with an engaging structure for matching with the hole wall of installing hole, spatially separating to make the major part of near-end and the hole wall of installing hole in described main body.Its advantage is: proximal part is non-linear, and comprises an end, and such being configured with is beneficial to be transmitted by reaching during light pipe to greatest extent at light, and allows on light pipe and base and have minimum contact between installing hole.On light pipe and base installing hole hole wall between if any any contact point, luminous reflectance all can be caused to base.Hole wall by installing hole on base arranges corresponding engaging structure, therefore separates between the major part of near-end and the hole wall of installing hole, this phenomenon making light that reflection occur reaches bottom line, and allows light can be transferred to tip portion to greatest extent.
Preferably, engaging structure comprises a ledge, and this ledge is from the outwardly extension of the near-end of light pipe main body, and this ledge is fastened in the groove on described installing hole hole wall ordinatedly.Wherein, at least one outthrust comprises a ring spacer, and further preferably, the near-end of described main body is provided with multiple described engaging structure be intervally arranged along its length.First engagement formation is adjacent with near-end, and the second engagement formation is adjacent with hole opening.Light pipe extends to the tip spying on sheet from hole opening.
Hole opening comprises the first hole opening and the second hole opening, and light pipe is outstanding to tip from the first hole opening, and the second hole opening is the transmission path that light pipe provides light.First, second hole opening is roughly orthogonal.
Preferably, light pipe comprises a proximal part proximally extended.This proximal part extends towards the direction substantially vertical with longitudinal axis.Proximal part preferably comprises a bending section.Spy on sheet part to extend to tip portion from proximal part.
Preferably, base comprises a front end and a tail end, front end from base to tip towards front; Tail end deviates from mutually towards tip, and base can prevent light from described base backward or from side transmission.Existing laryngoscope assembly upper bed-plate comprises a Framework construction usually, and wherein light pipe extends from the upper surface of base, and roughly curved about 90 ° extend to tip.Doctor in use institute's problems faced is: light reflexes to the tooth of patient, just means that the sight line of doctor thickens due to this reflection.Further, light pipe is the sight line of doctor, because when they attempt to carry out a highly difficult operation, need to insert tracheal intubation by extremely weak vocal cords.Therefore, by arranging in base portion to tip towards front front end and the tail end deviated from mutually towards tip, and prevent light from the rear portion of base or side direction printing opacity, this just means that the sight line of doctor is greatly improved.
Preferably, spy on sheet comprise a upper limb, a lower edge and be positioned at the mesh portion playing interconnect function between the two.Base comprises the tail end, the first and second sidewalls that deviate from mutually from tip surface front end forward, towards tip direction.Light pipe part is positioned at described base.Tail end and the first side wall, the second sidewall extend to prevent light from base backward or from side transmission to upper limb.Therefore, light pipe is useful from base forward projects.Like this, doctor can see the rear wall of base when backsight.Rear wall and upper limb continuously, mean that light can not transmit towards user in use.
Spy on sheet comprise a upper limb, a lower edge and be positioned at the mesh portion playing interconnect function between the two, its width segments is approximately perpendicular to mesh portion, and height component is roughly parallel with mesh portion.Mesh portion upwards extends.On originate from mesh portion and project in the first direction, lower edge extends towards with second relative direction that mesh portion deviates from mutually.
Mesh portion comprises an opening, and light pipe is arranged in wherein.Its advantage is: the tip portion of light pipe extends along this opening.
Preferably, tip portion extends towards end, and itself and width are tapered towards end.This means the major part of light pipe longitudinal length, from base towards the width at tip in reduction.
Tip portion comprises a sidewall for engaging with mesh portion, be provided with in opening along its extend outthrust (such as a tongue), light pipe relative with this outthrust and by above-mentioned outthrust pass opening to form effective guiding.Above-mentioned sidewall is meshed with above-mentioned outthrust.
Being width between relative two side, is height between relative sidewall end.
The further problem that existing laryngoscope assembly runs into is: its in use, light reflexes to the tooth of patient from light pipe, and doctor, attempting meet with obstruction when pipe is inserted the trachea of patient, which greatly increases the danger destroying patient's vocal cords.Further, existing laryngoscope assembly light pipe when using to patient has shortcoming in visual, means that, when to oral cavity irradiation, light transmits towards the rear of doctor.Second scheme of the present invention provides improved plan.
According to alternative plan of the present invention, a kind of laryngoscope blade assembly, comprises:
-base, comprises for the engagement formation of installing that matches with handle;
-spy on sheet, extend to a tip from base, it comprises upper limb, lower edge and is positioned at the mesh portion playing interconnect function between the two;
-light pipe, gives prominence to forward from base towards tip, and this light pipe part is positioned at base;
-base comprises front end, tail end, the first side wall and the second sidewall, and wherein front end towards tip surface forward; Tip surface is backwards dorsad for tail end.Tail end and first, second sidewall extend towards upper limb, thus prevent light from the rear portion of base or lateral transmission.
Therefore, second scheme of the present invention guarantees that light can not reflect to the tooth of patient, and particularly the light of light pipe also can not transmit backward.By guarantee light pipe to extend from base to tip and ensure tail end, first, second sidewall extends towards upper limb, can prevent light from base rearwardly or side surface direction transmit.
Preferably, base comprises one for installing the installing hole of light pipe, and this installing hole has a hole opening in the front end of base, and light pipe projects from this hole opening part.The shape of installing hole, hole opening and corresponding light pipe all configure, and therefore the external margin of light pipe is adjacent with external margin base closing on hole opening but do not contact.The sidewall being provided with installing hole is therefore adjacent with light pipe but be separated with light pipe space.
Hole opening comprises the first hole opening, and is positioned at the second hole opening of installing hole opposite end.Accordingly, light is transferred to the light pipe extended by the first hole opening from the light source on handle.
Second hole opening is towards the direction deviated from mutually with upper limb under shed.
Preferably, light pipe comprises the main body of the elongation that proximally extends from near-end, this near-end is positioned at installing hole on base, this near-end is provided with an engaging structure for matching with the hole wall of installing hole, spatially separates to make the major part of near-end and the hole wall of installing hole in main body.Proximal part is preferably nonlinear, and comprises a bending section.
Engaging structure comprises a ledge, and the near-end of this ledge autonomous agent stretches out, and this ledge is fastened in the groove on installing hole hole wall ordinatedly.Wherein at least one ledge comprises a ring spacer.On the near-end of main body, be provided with multiple engaging structure spaced apart along its length.First engaging structure is adjacent with near-end, and second engaging structure is adjacent with the first hole opening.
Accompanying drawing explanation
Now with reference to accompanying drawing, exemplary embodiment of the present invention is described, wherein:
Fig. 1 is the first direction perspective view of laryngoscope blade assembly of the present invention.
Fig. 2 is the second direction perspective view of laryngoscope blade assembly of the present invention.
Fig. 3 is the top view of laryngoscope blade assembly of the present invention.
Fig. 4 a, 4b, 4c are the rearview of laryngoscope blade assembly of the present invention when reality uses, side view and front view respectively.
Fig. 5 is the first direction exploded perspective illustration of laryngoscope blade assembly of the present invention.
Fig. 6 is the second direction exploded perspective illustration of laryngoscope blade assembly of the present invention.
Detailed description of the invention
With reference to figure 1, a kind of laryngoscope blade assembly 2, comprises a near-end 4 and end 8, and wherein near-end 4 comprises a base 6, and end 8 has the sheet of spying on of a spoon shape to dominate most advanced and sophisticated 10.Spy on sheet to comprise a upper limb 12, lower edge 14 and be positioned at the middle mesh portion 16 playing interconnect function.Middle mesh portion 16 is upright, upper limb 12 generally perpendicularly extends towards first direction deviated from mutually with intermediate webbed portions 16, leading most advanced and sophisticated 10 of spoon shape is located on lower edge 14, lower edge 14 generally perpendicularly extends towards second direction deviated from mutually with intermediate webbed portions 16, and wherein this second direction is relative with above-mentioned first direction.Laryngoscope blade assembly 2 comprises a light pipe 18 further, and this light pipe 18 extends along the longitudinal length direction spying on sheet towards end 8.This light pipe 18 comprises a tip portion 20, and tip portion 20 is on the direction extended towards light pipe 18 end 22, and its cross-sectional area is change.
In best illustration shown in Fig. 1, base 6 comprises 24, the tail end 26 in a front end and first, second sidewall 28a, 28b, and wherein front end 24 towards end 8 forward-facing, and tail end 26 has the best to illustrate in fig .4, and it away from tip surface backwards.Tail end 26 and first, second sidewall 28a, 28b extend to upper limb 12, are used for preventing light from base 6 backward or side directions transmission.Equally, the view direction of Fig. 4 a is the visual direction in the use procedure of laryngoscope photoscope assembly 2, and this represents that light pipe 18 is closed away from the end 22 of tip portion 20.This point is most important, because will not have light from the adjacent reflects of base 6 to the tooth of patient; Further, light pipe 18 is until just can be visible when having need as seen reality sensing (such as end 22).Shown in Fig. 5, base 6 has an installing hole 30, light pipe 18 is installed on wherein, and hole opening 32 has best illustrated in FIG.This hole opening 32 is towards end 8 opening spying on sheet.Base also have second hole opening 34, light pipe 18 arrives second hole opening 34 through installing hole 30, base 6 to coordinate with handle (not shown) install time, second hole opening 34 is aimed at the light pipe in handle, thus is transferred in light pipe 18 from handle by light.
Base 6 matches with handle and installs, and can adopt existing engaging structure, and it comprises a groove 36 to open front, and this groove is for matching with the bar on handle.Base 6 is provided with a hinge pin 40, this hinge pin 40 has an outwards biased end 42, this end 42 is positioned at the groove on base 6, this end 42 to compressive state is inwardly pressed when installing or dismantle, then be outwards discharged in the respective openings on handle, and itself and normal state are deviated, just can lock onto spying on chip module 2 on handle.
According to Fig. 4, light pipe 18 comprises the main body of a stretching shape, and this main body proximally extends to most advanced and sophisticated 20.This main body roughly in cylindric, but is tapered towards the end 22 of light pipe 18.Fig. 4 c clearly show that the width of most advanced and sophisticated 20 terminads 22 is in reduction.Further, the height of this main body increases towards end 22.Such advantage is: the cross section of light pipe 18 proximally arrives end 22 significant change; Equally, the effect of above-mentioned optical transport also can be realized by reducing width.
According to Fig. 5, Fig. 6, light pipe 18 has the displaying of more details in figure 6, and wherein numeral 44 representative is axial width, very clearly can find out that it dies away towards end 22, otherwise, can see that the axial height shown in arrow 46 increases gradually.Further, light pipe 18 is non-remote 22 towards its near-end 48() little by little attenuate when extending, and and it is gently tapered equally.
Further, see shown in Fig. 5, Fig. 6: base 6 comprises a cap portion 50.When light pipe 18 is positioned over after in installing hole 30 with being engaged, it is fixedly fitted on base 6.
Light pipe 18 comprises at least one engaging structure 52 further, and this engaging structure 52 preferably two, matches for the hole wall of installing hole 30, and the hole wall that the major part of light pipe 18 near-end is all mounted hole 30 separates.Engaging structure 52 comprises a ledge, and this ledge stretches out from above-mentioned near-end, and it preferably comprises a ring spacer.As the best illustrated of Fig. 5, ring spacer 52 is arranged in groove 54.This means that the light pipe 18 being arranged in installing hole 30 is spatially separated with the hole wall of installing hole, thus reduce the light loss along light pipe 18.
The present invention is described by means of only the mode of example, when not deviating from protection domain, can revise by providing the mode of appended claims, changing this technology.
Claims (17)
1. a laryngoscope blade assembly, comprises:
Base, it comprises one for the engagement formation of installing that matches with handle;
Spy on sheet, it extends to a tip from described base, and this is spied on sheet and comprises upper limb, lower edge and the mesh portion between described upper limb and lower edge;
Light pipe, it is given prominence to forward towards described tip from described base, and described light pipe part is positioned at described base;
Be characterised in that: described base comprises a front end, tail end, the first side wall and the second sidewall, wherein said front end towards described tip surface forward, described tail end deviates from described tip backward, and described tail end and described the first side wall, the second sidewall extend to prevent light from described base backward or from side transmission to described upper limb.
2. laryngoscope blade assembly according to claim 1, it is characterized in that: described base comprises one for installing the installing hole of described light pipe, described installing hole has a hole opening in the front end of described base, and described light pipe projects from described hole opening part.
3. laryngoscope blade assembly according to claim 2, is characterized in that: described hole opening comprises the first hole opening, is positioned at the second hole opening of the other end of described installing hole, and described second hole opening is towards the direction away from described upper limb under shed.
4. laryngoscope blade assembly according to claim 2, it is characterized in that: described light pipe comprises an elongated body extended to described tip from near-end, the near-end of described main body is positioned at the described installing hole on described base, the near-end of described main body being also provided with an engaging structure for matching with the hole wall of described installing hole, spatially separating to make the hole wall of the major part of near-end in described main body and described installing hole.
5. laryngoscope blade assembly according to claim 4, it is characterized in that: described engaging structure comprises a ledge, described ledge is from the outwardly extension of the near-end of described main body, and described ledge is fastened in the groove on described installing hole hole wall ordinatedly.
6. laryngoscope blade assembly according to claim 5, is characterized in that: ledge described at least one comprises a ring spacer.
7. laryngoscope blade assembly according to claim 5, is characterized in that: the near-end of described main body is provided with multiple described engaging structure be intervally arranged along its length.
8. a laryngoscope blade assembly, comprise one and spy on sheet, this spies on the light pipe that sheet has a tip extended along its longitudinal length direction and extends towards described tip, described light pipe comprises a tip portion, its cross section is transverse to the described longitudinal length spying on sheet, it is characterized in that: the cross section of described tip portion has width and height, and its width is shorter than height.
9. laryngoscope blade assembly according to claim 8, is characterized in that: described tip portion terminad extends, and its width is tapered towards end.
10. laryngoscope blade assembly according to claim 9, is characterized in that: the height of described tip portion outwards becomes large gradually towards end.
11. laryngoscope blade assemblies according to claim 1, is characterized in that: described light pipe comprise one elongate main body, described main body from near-end towards described tip extend and described main body is roughly cylindrical.
12. 1 kinds of laryngoscope blade assemblies, comprise one for the base of mounting handle, are characterised in that: spy on sheet and extend from described base.
13. laryngoscope blade assemblies according to claim 12, it is characterized in that: it also comprises light pipe, described light pipe comprises a main body of elongating, described main body extends to tip from near-end, the near-end of described main body is positioned at the installing hole on described base, described near-end is provided with an engaging structure for matching with the hole wall of described installing hole, spatially separates to make the hole wall of the major part of near-end in described main body and described installing hole.
14. laryngoscope blade assemblies according to claim 13, it is characterized in that: described engaging structure comprises a ledge, described ledge is from the outwardly extension of described proximal, and described ledge is fastened in the groove on described installing hole hole wall ordinatedly.
15. laryngoscope blade assemblies according to claim 13, is characterized in that: the near-end of described main body is provided with multiple described engaging structure be intervally arranged along its length.
16. laryngoscope blade assemblies according to claim 8, it is characterized in that: spy on sheet and comprise upper limb, lower edge and the mesh portion between described upper limb and lower edge, the described width spying on sheet is approximately perpendicular to described mesh portion, and it is highly roughly parallel to described mesh portion.
17. laryngoscope blade assemblies according to claim 16, is characterized in that: described mesh portion is provided with an opening, and described light pipe is arranged in wherein.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB1505868.8A GB2537118A (en) | 2015-04-07 | 2015-04-07 | Laryngoscope blade assembly |
| GB1505868.8 | 2015-04-07 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205054155U true CN205054155U (en) | 2016-03-02 |
Family
ID=53190242
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520341985.4U Active CN205054155U (en) | 2015-04-07 | 2015-05-25 | Piece subassembly is peeied at to laryngoscope |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN205054155U (en) |
| GB (1) | GB2537118A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112930134A (en) * | 2018-07-30 | 2021-06-08 | 泰利福医疗公司 | Laryngoscope blade with light guide |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5261392A (en) * | 1992-04-03 | 1993-11-16 | Achi Corporation | Laryngoscope with interchangeable fiberoptic assembly |
| US6890298B2 (en) * | 1999-10-14 | 2005-05-10 | Karl Storz Gmbh & Co. Kg | Video laryngoscope with detachable light and image guides |
| US9282878B2 (en) * | 2008-08-13 | 2016-03-15 | Invuity, Inc. | Cyclo olefin polymer and copolymer medical devices |
| WO2014035730A1 (en) * | 2012-08-30 | 2014-03-06 | Intubrite, Llc | Illumination device |
-
2015
- 2015-04-07 GB GB1505868.8A patent/GB2537118A/en not_active Withdrawn
- 2015-05-25 CN CN201520341985.4U patent/CN205054155U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112930134A (en) * | 2018-07-30 | 2021-06-08 | 泰利福医疗公司 | Laryngoscope blade with light guide |
Also Published As
| Publication number | Publication date |
|---|---|
| GB201505868D0 (en) | 2015-05-20 |
| GB2537118A8 (en) | 2016-10-26 |
| GB2537118A (en) | 2016-10-12 |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |