CN102580215A - Prebent tracheal catheter core - Google Patents
Prebent tracheal catheter core Download PDFInfo
- Publication number
- CN102580215A CN102580215A CN2012100861406A CN201210086140A CN102580215A CN 102580215 A CN102580215 A CN 102580215A CN 2012100861406 A CN2012100861406 A CN 2012100861406A CN 201210086140 A CN201210086140 A CN 201210086140A CN 102580215 A CN102580215 A CN 102580215A
- Authority
- CN
- China
- Prior art keywords
- bar
- endotracheal tube
- prebuckling
- pars convoluta
- core
- 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.)
- Granted
Links
- 238000013016 damping Methods 0.000 claims abstract description 11
- 238000005452 bending Methods 0.000 claims description 41
- 241001442589 Convoluta Species 0.000 claims description 28
- 239000013536 elastomeric material Substances 0.000 claims description 4
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 208000002193 Pain Diseases 0.000 abstract 1
- 230000036407 pain Effects 0.000 abstract 1
- 210000003437 trachea Anatomy 0.000 abstract 1
- 229910001220 stainless steel Inorganic materials 0.000 description 10
- 239000010935 stainless steel Substances 0.000 description 10
- 238000002627 tracheal intubation Methods 0.000 description 8
- 229910000831 Steel Inorganic materials 0.000 description 6
- 239000010959 steel Substances 0.000 description 6
- 238000000034 method Methods 0.000 description 5
- 238000000465 moulding Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 210000004704 glottis Anatomy 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 210000000214 mouth Anatomy 0.000 description 4
- 210000002105 tongue Anatomy 0.000 description 4
- 230000000295 complement effect Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000006870 function Effects 0.000 description 2
- 206010002091 Anaesthesia Diseases 0.000 description 1
- 230000003044 adaptive effect Effects 0.000 description 1
- 230000037005 anaesthesia Effects 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 210000003128 head Anatomy 0.000 description 1
- 210000000867 larynx Anatomy 0.000 description 1
- 230000004807 localization Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 230000008058 pain sensation Effects 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 238000007634 remodeling Methods 0.000 description 1
- 230000001954 sterilising effect Effects 0.000 description 1
- 238000004659 sterilization and disinfection Methods 0.000 description 1
Images
Abstract
The invention discloses a prebent tracheal catheter core, which comprises a bar stock; one end of the bar stock extends outwards to form a prebent part with an arc tendency; a damping structure is arranged at the other end of the bar stock; and the inclined angle between the tangential direction of the extending tail end of the prebent part and the axial line direction of the bar stock is 65 to 100 degrees. The invention has the beneficial effects that the curvature of a part of the catheter core extending into the upper airway of a patient is matched with the physiological curvature of the upper airway of the patient, so that the patient using the catheter core has a minimal sense of pains; since a positioning seat capable of achieving a positioning function with a certain fixing force as well as a function of reciprocating relative to the bar stock is arranged on the catheter core, the catheter core can adapt to different specifications of tracheal catheters, and the patient is convenient to independently complete the trachea cannula operation; in case of accidents, the safety of the upper airway of the patient can be ensured; and with a simple structure, the catheter core is manufactured conveniently and low in cost.
Description
Technical field
The invention belongs to technical field of medical instruments, relate in particular to a kind of metal prebuckling endotracheal tube core that is used for clinical tracheal intubation.
Background technology
Endotracheal tube as the indispensable apparatus of Anesthesia Department of hospital, emergency department and larynx section is used more and more widely.Owing to be made of plastics on the endotracheal tube; Quality is softer relatively, and its rigidity is not enough, is head it off; At present the doctor inserts in the endotracheal tube after adopting stainless steel silk to go up the moulding and sterilization of air flue characteristics by patient; Endotracheal tube can be kept and the same shape of stainless steel silk after moulding, so that the physiological bending of air flue is complementary on endotracheal tube and the human body, the north shape owing to stainless steel silk is to be formed with the hands bending by rule of thumb by the doctor on the one hand; Certain randomness is arranged, be difficult to guarantee that the physiological bending of going up air flue with the patient really is complementary; On the other hand because stainless steel silk does not have special-purpose and the endotracheal tube fixture that matches; Make stainless steel silk and endotracheal tube need the doctor to operate respectively, for this reason, need two doctor's co-operate in the tracheal intubation process at least with hands; If two doctors cooperate not tacit; The front end of stainless steel silk stretches out the endotracheal tube front end just has the possibility that injures the last air passage structure of patient, and perhaps the stainless steel silk front end is far away from the endotracheal tube front end, makes stainless steel silk can not play due moulding effect.
Summary of the invention
In order to overcome above-mentioned defective, the present invention provides a kind of physiological bending according to air flue on the human body moulding in advance, and can realize adjusting the localized prebuckling endotracheal tube core of relative position with endotracheal tube.
The present invention solves the in-problem technical scheme of prior art: a kind of prebuckling endotracheal tube core; Comprise bar; One end of said bar extends outward the pre-bending pars convoluta with arc trend; The other end of bar is provided with damping structure, and the tangential direction of pre-bending pars convoluta extending end and the axis direction angle of bar are 65 ° to 100 °.Air flue is the arc trend on the human body; Tongue with and glottis between angle normally about 70-90 °; Consider the difference that goes up air passage structure between the individuality; The pre-bending pars convoluta top of prebuckling endotracheal tube core and terminal shaft to angle can be between 65 ° to 100 ° value, as preferably, the tangential direction of pre-bending pars convoluta extending end and the axis direction angle of bar are 90 °; Like this arc of pre-bending pars convoluta trend and structure can with the patient go up ideal that the physiological bending of air flue match some so that farthest promote the tracheal intubation operation; Because the other end of bar is provided with damping structure; Damping structure respectively with bar and endotracheal tube close-fitting; Damping structure can move around along bar under certain external force effect; Obtain relative localization through this damping structure between prebuckling endotracheal tube core and the endotracheal tube like this, the front end of prebuckling endotracheal tube core is positioned at about the inboard about 10mm of endotracheal tube front end, the front end of prebuckling endotracheal tube core can not touch patient's last air passage structure; Thereby guarantee the safety used, make the doctor simultaneously as long as people just can realize that through operation prebuckling endotracheal tube core tracheal intubation operates.
Described pre-bending pars convoluta is 70mm to 100mm away from an end outer face of bar and the axial centre linear distance of bar.On human body in the physiological bending of air flue, from tongue follow distance to glottis mouth extended line at 70mm to the 100mm, for this reason, the pre-bending pars convoluta can be in value between the 70mm to 100mm away from the axial centre linear distance of end outer face of bar and bar; And most of people's tongues are followed to the distance of glottis mouth extended line and are approximately 90mm; As preferably; Tongue follow to the distance of glottis mouth extended line be 92mm, make that like this physiological bending of air flue matches on shape and the human body of pre-bending pars convoluta, so that farthest promote the tracheal intubation operation.
The arc of said pre-bending pars convoluta is that the circular arc by two sections different curvature constitutes.Because the physiological bending of air flue is not to be circular arc fully on the human body; And the arc-shaped structure processing technology is simple from manufacture view; Easy to process, cheap for manufacturing cost, so the arc of the pre-bending pars convoluta circular arc by two sections different curvature is constituted; Make it not only meet the physiological bending of air flue on the human body to greatest extent, make things convenient for processing and manufacturing again.
Said pre-bending pars convoluta is 280mm to 320mm near one section circular arc radius of curvature R of bar, and the pre-bending pars convoluta is 50mm to 90mm away from one section circular arc radius of curvature r of bar.Because preceding half section of air flue physiological bending trend is the circular arc of 300mm near radius of curvature R on the human body; Consider individual variation; The pre-bending pars convoluta is near one section circular arc radius of curvature R value in 280mm to 320mm scope of bar, as preferably, and the radius of curvature R value 300mm of this section circular arc; Because the second half section of air flue physiological bending trend is the circular arc of 80mm near radius of curvature r on the human body; Consider individual variation; The pre-bending pars convoluta is near one section circular arc radius of curvature r value in 50mm to 90mm scope of bar, as preferably, and the radius of curvature r value 80mm of this section circular arc.
Said pre-bending pars convoluta extending end outer face is an arcwall face.So not only helping prebuckling endotracheal tube core, to insert the process of endotracheal tube smooth and easy, and when helping fortuitous event and taking place, can not damage it when the front end touching patient of prebuckling endotracheal tube core goes up air passage structure.
The other end of said bar passes damping structure and extends outward connecting portion, and the outer end of connecting portion is provided with handle.The end that is exposed at outside, patient oral cavity at prebuckling endotracheal tube core is provided with upper handle, can make things convenient for the doctor to operate.
The distance of said pre-bending pars convoluta outer face along the bar axial direction to the handle inner face is 280mm to 350mm.The distance of pre-bending pars convoluta outer face along the bar axial direction to the handle inner face can be in value between the 200mm to 600mm; Consider that the doctor is easy to use; Its distance value between 300mm to 350mm scope; As preferably, the distance of said pre-bending pars convoluta outer face along the bar axial direction to the handle inner face is 320mm.
The diameter of said bar is 2mm to 4.5mm.The diameter of bar is less than 2mm, and its rigidity is not enough to carry out moulding to endotracheal tube; The diameter of bar is greater than 4.5mm, and the doctor implements the tracheal intubation inconvenient operation.The diameter of bar is value between 2mm to 4.5mm scope, can satisfy the rigid demand of prebuckling endotracheal tube core, makes things convenient for the doctor to operate again, and as preferably, the diameter of bar is 3mm.
Said pre-bending pars convoluta extending end is provided with the spheroplast that diameter is not less than the bar diameter.Make like this that directly can the steel ball that diameter is not less than the bar diameter be welded on bar stretches on the end end face that the patient goes up air flue, simplified processing process reduces manufacturing cost; As preferably, the diameter of steel ball is 4.5mm.
Said damping structure is that interference is socketed in the positioning seat of being processed by elastomeric material on the bar.Easy to operate for the doctor, prebuckling endotracheal tube core needs positioning seat to have certain positioning and fixing power; In case of necessity, under the effect of certain external force, positioning seat can move around along bar again, so that prebuckling endotracheal tube core can adapt to the endotracheal tube of different length.The purpose that the positioning seat interference is socketed on the bar is can obtain the certain positioning and fixing power of bar for positioning seat; The purpose that positioning seat is processed by elastomeric material is can move around along bar under the effect of certain external force for positioning seat.
The invention has the beneficial effects as follows:
1, since this prebuckling endotracheal tube core to stretch on curvature, size and shape that the patient goes up the air flue part and the human body air flue physiological bending suitable, make patient's pain sensation minimum of using this catheter core;
2, because this prebuckling endotracheal tube core is provided with the positioning function that both can realize having certain bed knife; Can realize to move back and forth the positioning seat of function again with respect to bar; Make the endotracheal tube that this prebuckling endotracheal tube core can adaptive different size; Can make things convenient for a doctor to accomplish the tracheal intubation operation separately again, and when something unexpected happened, can guarantee the safety of air flue on the patient;
3, because this prebuckling endotracheal tube cored structure is simple, easy to make, with low cost.
Description of drawings
Fig. 1 is that a kind of structure master of the present invention looks sketch map.
Among the figure: 1: the first linear portion; 2: the first curved portions; 3: the second curved portions; 4: the second linear portions; 5: steel ball; 6: cavity; 7: positioning seat; 8: connecting portion; 9: handle.
The specific embodiment
Pass through preferred embodiment below, and combine Figure of description that technical scheme of the present invention is further specified:
Embodiment: a kind of prebuckling endotracheal tube core, be used for endotracheal tube is carried out preformed shape, to increase the rigidity of endotracheal tube, make endotracheal tube in the tracheal intubation process, can remain with human body on the air flue physiological bending suitable.As shown in Figure 1, prebuckling endotracheal tube core comprises that diameter is the stainless steel silk of 3mm, and stainless steel silk comprises the first linear portion 1; It is that 300mm, arc length are first curved portions 2 of 50mm that one end of the first linear portion 1 at first extends outward radius of curvature; The center of circle of second curved portions, 3, the first curved portions 2 and second curved portions 3 of then extending radius of curvature again and be 80mm, arc length and be 115mm is respectively with respect to the first linear portion, 1 homonymy, and then extends the second linear portion 4; Being welded to connect diameter in the outer face of the second linear portion 4 is the steel ball 5 of 4.5mm; The second linear portion 4 is perpendicular to the first linear portion 1, and steel ball 5 is 92mm away from the end points of the second linear portion 4 to the extended line distance of the first linear portion 1, and the other end interference of the first linear portion 1 is socketed with positioning seat 7; Positioning seat 7 is processed by elastomeric material; The other end of the first linear portion 1 passes positioning seat 7 and extends outward connecting portion 8, and the outer end of connecting portion 8 is provided with handle 9, and steel ball 5 is 320mm away from the end points of handle 9 to the distance of handle 9 inner faces; Be provided with cavity 6 in the end of said positioning seat 7 away from handle 9, cavity 6 and endotracheal tube close-fitting.
Above-described embodiment is a kind of preferred version of the present invention, is not the present invention is done any pro forma restriction, under the prerequisite that does not exceed the technical scheme that claim puts down in writing, also has other variant and remodeling.
Make the content of detailed description in this description, belong to the those skilled in the art known prior art.
Claims (10)
1. prebuckling endotracheal tube core; Comprise bar; It is characterized in that: an end of said bar extends outward the pre-bending pars convoluta with arc trend, and the other end of bar is provided with damping structure, and the tangential direction of pre-bending pars convoluta extending end and the axis direction angle of bar are 65 ° to 100 °.
2. prebuckling endotracheal tube core according to claim 1 is characterized in that: said pre-bending pars convoluta is 70mm to 100mm away from an end outer face of bar and the axial centre linear distance of bar.
3. prebuckling endotracheal tube core according to claim 2, it is characterized in that: the arc of said pre-bending pars convoluta is made up of the circular arc of two sections different curvature.
4. prebuckling endotracheal tube core according to claim 3 is characterized in that: said pre-bending pars convoluta is 280mm to 320mm near one section circular arc radius of curvature R of bar, and the pre-bending pars convoluta is 50mm to 90mm away from one section circular arc radius of curvature r of bar.
5. according to the described prebuckling endotracheal tube of claim 1 to 4 core, it is characterized in that: said pre-bending pars convoluta extending end outer face is an arcwall face.
6. according to the described prebuckling endotracheal tube of claim 1 to 4 core, it is characterized in that: the other end of said bar passes damping structure and extends outward connecting portion, and the outer end of connecting portion is provided with handle.
7. prebuckling endotracheal tube core according to claim 6 is characterized in that: the distance of said pre-bending pars convoluta outer face along the bar axial direction to the handle inner face is 280mm to 350mm.
8. according to the described prebuckling endotracheal tube of claim 1 to 4 core, it is characterized in that: the diameter of said bar is 2mm to 4.5mm.
9. according to the described prebuckling endotracheal tube of claim 1 to 4 core, it is characterized in that: said pre-bending pars convoluta extending end is provided with the spheroplast that diameter is not less than the bar diameter.
10. according to the described prebuckling endotracheal tube of claim 1 to 4 core, it is characterized in that: said damping structure is that interference is socketed in the positioning seat of being processed by elastomeric material on the bar.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210086140.6A CN102580215B (en) | 2012-03-28 | 2012-03-28 | Prebent tracheal catheter core |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210086140.6A CN102580215B (en) | 2012-03-28 | 2012-03-28 | Prebent tracheal catheter core |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102580215A true CN102580215A (en) | 2012-07-18 |
| CN102580215B CN102580215B (en) | 2014-10-15 |
Family
ID=46469795
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210086140.6A Active CN102580215B (en) | 2012-03-28 | 2012-03-28 | Prebent tracheal catheter core |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102580215B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102755686A (en) * | 2012-08-09 | 2012-10-31 | 台州瀚创医疗器械科技有限公司 | S-shaped visible hard cannula core |
| CN102764472A (en) * | 2012-08-13 | 2012-11-07 | 台州瀚创医疗器械科技有限公司 | Hard tube laryngoscope suitable for a plurality of specifications of tracheal cannulas |
| CN105664327A (en) * | 2016-03-21 | 2016-06-15 | 车昊 | Trachea cannula core and preparation method thereof |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5842973A (en) * | 1994-05-17 | 1998-12-01 | Bullard; James Roger | Nasal intubation apparatus |
| CN2892132Y (en) * | 2006-01-07 | 2007-04-25 | 任家骠 | Tracheal cannula |
| WO2011024013A1 (en) * | 2009-08-31 | 2011-03-03 | Golf Vizija D.O.O | Curved dilator for targeted thoracic drainage |
| CN201791212U (en) * | 2010-04-02 | 2011-04-13 | 上海中医药大学附属曙光医院 | Introducer for bronchial catheter |
| CN202505932U (en) * | 2012-03-28 | 2012-10-31 | 台州瀚创医疗器械科技有限公司 | Pre-bent tracheal catheter core |
-
2012
- 2012-03-28 CN CN201210086140.6A patent/CN102580215B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5842973A (en) * | 1994-05-17 | 1998-12-01 | Bullard; James Roger | Nasal intubation apparatus |
| CN2892132Y (en) * | 2006-01-07 | 2007-04-25 | 任家骠 | Tracheal cannula |
| WO2011024013A1 (en) * | 2009-08-31 | 2011-03-03 | Golf Vizija D.O.O | Curved dilator for targeted thoracic drainage |
| CN201791212U (en) * | 2010-04-02 | 2011-04-13 | 上海中医药大学附属曙光医院 | Introducer for bronchial catheter |
| CN202505932U (en) * | 2012-03-28 | 2012-10-31 | 台州瀚创医疗器械科技有限公司 | Pre-bent tracheal catheter core |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102755686A (en) * | 2012-08-09 | 2012-10-31 | 台州瀚创医疗器械科技有限公司 | S-shaped visible hard cannula core |
| CN102755686B (en) * | 2012-08-09 | 2015-07-08 | 浙江优亿医疗器械有限公司 | S-shaped visible hard cannula core |
| CN102764472A (en) * | 2012-08-13 | 2012-11-07 | 台州瀚创医疗器械科技有限公司 | Hard tube laryngoscope suitable for a plurality of specifications of tracheal cannulas |
| CN102764472B (en) * | 2012-08-13 | 2015-02-04 | 浙江优亿医疗器械有限公司 | Hard tube laryngoscope suitable for a plurality of specifications of tracheal cannulas |
| CN105664327A (en) * | 2016-03-21 | 2016-06-15 | 车昊 | Trachea cannula core and preparation method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102580215B (en) | 2014-10-15 |
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Address after: 317300, Taizhou, Zhejiang province Xianju County Fuk Street Zhou Yantou Pro Creek Road, No. 153 Applicant after: ZHEJIANG UE MEDICAL CORP. Applicant after: Wang Weidong Applicant after: Li Yuesheng Address before: 317300, Taizhou, Zhejiang province Xianju County Fuk Street Zhou Yantou Pro Creek Road, No. 153 Applicant before: Zhejiang Taizhou Hanchuang Medical Apparatus Technology Co., Ltd. Applicant before: Wang Weidong Applicant before: Li Yuesheng |
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Free format text: CORRECT: APPLICANT; FROM: TTAIZHOU HANCHUANG MEDICAL INSTR TECHNOLOGY CO., LTD. TO: ZHEJIANG UE MEDICAL CORP. |
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Effective date of registration: 20190103 Address after: 317317 No. 8, Baoda block, Baita District, Xianju Economic Development Zone, Taizhou, Zhejiang Patentee after: ZHEJIANG UE MEDICAL CORP. Address before: 317300 Zhou Yantou, Linxi Road, Fuying street, Xianju County, Taizhou, Zhejiang, 153 Co-patentee before: Wang Weidong Patentee before: ZHEJIANG UE MEDICAL CORP. Co-patentee before: Li Yuesheng |
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Address after: 317317 No.8 Youyi Road, Baita block, Xianju Economic Development Zone, Baita Town, Xianju County, Taizhou City, Zhejiang Province Patentee after: Zhejiang Youyi Medical Equipment Co., Ltd Address before: 317317 No. 8, Baoda block, Baita District, Xianju Economic Development Zone, Taizhou, Zhejiang Patentee before: ZHEJIANG UE MEDICAL Corp. |
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