CN203736665U - Multi-layer coextrusion tracheal catheter intima cannula - Google Patents
Multi-layer coextrusion tracheal catheter intima cannula Download PDFInfo
- Publication number
- CN203736665U CN203736665U CN201420093264.1U CN201420093264U CN203736665U CN 203736665 U CN203736665 U CN 203736665U CN 201420093264 U CN201420093264 U CN 201420093264U CN 203736665 U CN203736665 U CN 203736665U
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- CN
- China
- Prior art keywords
- mantle
- stay pipe
- endotracheal tube
- cover
- rete
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Abstract
The utility model relates to a multi-layer coextrusion tracheal catheter intima cannula. According to the technical scheme, the multi-layer coextrusion tracheal catheter intima cannula comprises a radial stretchy and hollow sleeve film supporting tube, wherein a plurality of sleeve film layers capable of being stripped off are arranged in the sleeve film supporting tube and distributed in the axial length direction of the sleeve film supporting tube. The sleeve film layers capable of being stripped off are arranged in the sleeve film supporting tube, the sleeve film layers can be put in an unblocked inner cavity of a tracheal catheter through the sleeve film supporting tube conveniently in advance, the sleeve film layers for protecting the inner cavity of the tracheal catheter are set up, and secreta adhering to the inner walls of the sleeve film layers can be removed in time through the multiple sleeve film layers capable of being stripped off to keep the inner cavity of the tracheal catheter unblocked. The multi-layer coextrusion tracheal catheter intima cannula is compact in structure, convenient to use and capable of substantially and effectively prolonging the retention time of tracheal catheter intubation and lowering the probability of a tracheotomy operation to avoid risks of the tracheotomy operation within a certain range, and the intima cannula is wide in application range, low in cost, safe and reliable.
Description
Technical field
This utility model relates to a kind of interior film casing, and film casing in especially a kind of multi-layer co-extruded endotracheal tube specifically can repeatedly arrange the structure of overlapping rete in endotracheal tube, belongs to the technical field of medical apparatus and instruments.
Background technology
Modern age, truly successful tracheotomy was that Italian doctor Antonio MusaBrasavola in 1546 is that " abscess of trachea " patient implements.Tracheotomy is accompanied by a large amount of instant complication, as: hemorrhage, heart beating respiratory arrest, pneumothorax and mediastinal emphysema, difficulty in decannulation, tracheo esophageal fistula, wound infection, intubate displacement, dysphagia etc.; In addition, also follow to a certain degree narrow of respiratory tract that lasting wound cicatrization causes.Although surgical technic is in continuous progress, until the twenties in 20th century, after Chevalier Jackson has clearly specified the indication of tracheotomy and made operating procedure standardization, people just progressively accept tracheotomy.
A large amount of life has been saved in tracheotomy since being accepted and implementing, but the fact is: in tracheotomy, Most patients is to accept tracheal intubation to breathe support patient, and its object of accepting tracheotomy is for fear of lower respiratory tract ischesis.Respiratory secretions retention is inevitable forms obstinate expectorant crust at endotracheal tube inwall, to cause tracheal intubation inner chamber to stop up, threatens patient's life security.If can find a kind of method, can make to be re-established unobstructed inner chamber by the tracheal intubation inwall of expectorant crust Partial Blocking, must greatly reduce the danger of tracheotomy, reduce the risk that patient faces in the face of bronchotomu, reduce the grieved and cost that brings thus patient.
Medical worker is doing the effort of this respect always in the last hundred years, current processing method mainly: air flue humidification makes thin be convenient in sucking-off, air flue of sputum reduce respiratory tract secretion generations, branchofiberoscope periodic cleaning air flue, timing to adding a small amount of clear water in air flue and with suction catheter sucking-off, increase suction sputum number of times etc. to local anaesthetics.The time that medical worker's effort retains tracheal intubation extends to some extent, and endotracheal tube retention time is the longest at present reaches one week, but still far can not deal with problems.
Summary of the invention
The purpose of this utility model is to overcome the deficiencies in the prior art, and film casing in a kind of multi-layer co-extruded endotracheal tube is provided, and it is simple in structure, overlay film is easy to operate, can effectively extend endotracheal tube retention time, reduces the probability of bronchotomu, wide accommodation, cost is low, safe and reliable.
The technical scheme providing according to this utility model, film casing in described multi-layer co-extruded endotracheal tube, comprise the mantle stay pipe of radially flexible and hollow, be provided with the strippable cover rete of some layers in described mantle stay pipe, described cover rete distributes along the axial length of mantle stay pipe.
Two ~ six layers of cover rete are set in described mantle stay pipe, and described outermost cover rete is bonded on the inwall of mantle stay pipe, and in mantle stay pipe, remaining each mantle interlayer bonds mutually.
Described each mantle interlaminar bonding degree increases from inside to outside gradually.
Cover rete on described mantle stay pipe inwall can be peeled off by cover film exfoliating device.
Described cover film exfoliating device comprises strip operation bar, and one end of described strip operation bar is provided with the ring of peeling off with mantle stay pipe form fit, and the other end of strip operation bar is provided with operating grip.
In the time that the cover rete in mantle stay pipe is peeled off, by the caking ability between regulating sleeve rete, the cover rete in mantle stay pipe is peeled off from inside to outside.Described mantle stay pipe comprises bourdon tube.
Described mantle stay pipe can stretch into and coaxially be placed in endotracheal tube; The outer wall of mantle stay pipe contacts with the inwall of endotracheal tube, and mantle stay pipe is connected with endotracheal tube.
Described mantle stay pipe is placed in endotracheal tube by sleeve pipe inserter; Described sleeve pipe inserter comprises trocar sheath and is positioned at the inner sleeve of described trocar sheath, and described mantle stay pipe radial compression is installed in inner sleeve, and mantle stay pipe can move axially in inner sleeve; Mantle stay pipe moves and passes after trocar sheath, after mantle stay pipe radially resets, contacts with the inwall of endotracheal tube.
The end, one end of described trocar sheath is provided with the barrier rib for stopping that mantle stay pipe moves; In the tube chamber of described mantle stay pipe, insert and be useful on the push rod that promotion mantle stay pipe moves, described push rod is provided with positioning step, and push rod contacts with the end of mantle stay pipe by positioning step.
Advantage of the present utility model: the strippable cover rete of some layers is set in mantle stay pipe, can easily cover rete be placed in endotracheal tube by mantle stay pipe, set up protection endotracheal tube inner chamber cover rete, can in time the secretions adhering on internal layer cover rete be removed by the strippable cover rete of multilamellar, to keep the unimpeded of endotracheal tube inner chamber, compact conformation, easy to use, can significantly effectively extend endotracheal tube intubate retention time, reduce the probability of bronchotomu, thereby avoid within the specific limits bronchotomu risk, wide accommodation, cost is low, safe and reliable.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model.
Fig. 2 is the schematic diagram of this utility model cover rete outside mantle stay pipe.
Fig. 3 is the structural representation of this utility model sleeve pipe inserter.
Fig. 4 is that this utility model mantle stay pipe is released the schematic diagram after trocar sheath by push rod.
Fig. 5 is that the one of this utility model cover film exfoliating device is implemented structure chart.
Description of reference numerals: 1-mantle stay pipe, 2-cover rete, 3-stripping portion, 4-trocar sheath, 5-inner sleeve, 6-push rod, 7-positioning step, 8-barrier rib, 9-operating grip, 10-strip operation bar and 11-peel off ring.
Detailed description of the invention
Below in conjunction with concrete drawings and Examples, the utility model is described in further detail.
As depicted in figs. 1 and 2: in order effectively to extend endotracheal tube retention time, reduce the probability of bronchotomu, this utility model comprises the mantle stay pipe 1 of radially flexible and hollow, in described mantle stay pipe 1, be provided with the strippable cover rete 2 of some layers, described cover rete 2 distributes along the axial length of mantle stay pipe 1, and cover rete 2 is at the interior formation tubular structure of mantle stay pipe 2.
Particularly, mantle stay pipe 1 is hollow cylindrical structure, mantle stay pipe 1 radially can be compressed, in the time of mantle stay pipe 1 radial compression, can not affect the follow-up use of multilamellar in mantle stay pipe 1 cover rete 2.In this utility model embodiment, mantle stay pipe 1 energy radial compression, is mainly for the ease of whole mantle stay pipe 1 is installed in required endotracheal tube, that is to say the cover rete 2 of some layers is installed in required endotracheal tube.After mantle stay pipe 1 is installed in endotracheal tube, mantle stay pipe 1 is coaxially placed with endotracheal tube, and mantle stay pipe 1 is connected with endotracheal tube.
After cover rete 2 is installed in endotracheal tube by mantle stay pipe 1, the adhesive force between the adhesive force between cover rete 2 and endotracheal tube and cover rete 2 can ensure that under the sucking action in the time that suction sputum operates, can not be attracted generation moves.Due to endotracheal tube interior by mantle supporting layer 1 arrange cover rete 2, when utilize endotracheal tube carry out intubate and breathe support time, lower respiratory tract secretions patient choke cough or the effect of downtake fibre swing under discharge to upper respiratory tract.In the time that the secretions of lower respiratory tract is discharged the inner chamber that arrives endotracheal tube, although when nursing in, can humidifying sputum and with suction pump sucking-off secretions, the thickness that residual lower respiratory tract secretions can become gradually firmly stick to cannot sucking-off on the cover rete 2 of innermost layer.In the time that secretions is gathered on the cover rete 2 of innermost layer in a large number, the inner chamber Partial Blocking of endotracheal tube, impact ventilation.Now, by the cover rete 2 of innermost layer is peeled off, re-establish a unobstructed endotracheal tube inner chamber, again dredge artificial airway, extend endotracheal tube intubate retention time.When this utility model is specifically implemented, in endotracheal tube, cover rete 2 thinner thicknesses of multilamellar, do not affect the normal use of endotracheal tube.This utility model can effectively extend the time that endotracheal tube intubate retains, and can reduce the probability of bronchotomu, avoids within the specific limits the risk of bronchotomu.In this utility model embodiment, cover rete 2 can adopt the existing thin film that meets health care, as long as ensure that cover rete 2 has certain elasticity, and is not easy to be torn.
When concrete enforcement, described mantle stay pipe 1 is interior arranges two ~ six layers of cover rete 2, and described outermost cover rete 2 is bonded on the inwall of mantle stay pipe 1, and 2 of remaining each cover retes bonding mutually in mantle stay pipe 1.In this utility model embodiment, in the time that mantle stay pipe 1 inwall arranges one deck cover rete 2, cover rete 2 is directly bonded on the inwall of mantle stay pipe 1, in the time having at least two-layer cover rete 2, there is one deck cover rete 2 to be bonded on the inwall of mantle stay pipe 1, remaining cover rete 2 is bonded together mutually, and two ~ six layers of cover rete 2 are usually set.Further, 2 caking abilities of described each cover rete can increase from inside to outside gradually.Described mantle stay pipe 1 comprises bourdon tube, be mantle stay pipe 1 adopt radially can be compressed and compression after the bourdon tube that can reset, in addition, mantle stay pipe 1 can also adopt other and to have the material of moulding memory function to make by radial compression, as plastics, rubber etc.
As shown in Figure 3 and Figure 4, in the time coordinating endotracheal tube to use, described mantle stay pipe 1 need to stretch into and coaxially be placed in endotracheal tube; The outer wall of mantle stay pipe 1 contacts with the inwall of endotracheal tube, and mantle stay pipe 1 is connected with endotracheal tube.After the outer wall of mantle stay pipe 1 contacts with the inwall of endotracheal tube, the active force between mantle stay pipe 1 and endotracheal tube is guaranteed, in the time breathing support, to keep the stability of mantle stay pipe 1 position.
Described mantle stay pipe 1 is placed in endotracheal tube by sleeve pipe inserter; Described sleeve pipe inserter comprises trocar sheath 4 and is positioned at the inner sleeve 5 of described trocar sheath 4, and described mantle stay pipe 1 radial compression is installed in inner sleeve 5, and mantle stay pipe 1 can move axially in inner sleeve 5; Mantle stay pipe 1 moves and passes after trocar sheath 4, after mantle stay pipe 1 radially resets, contacts with the inwall of endotracheal tube.
The end, one end of described trocar sheath 4 is provided with the barrier rib 8 for stopping that mantle stay pipe 1 moves; In the tube chamber of described mantle stay pipe 1, insert and be useful on the push rod 6 that promotion mantle stay pipe 1 moves, described push rod 6 is provided with positioning step 7, and push rod 6 contacts with the end of mantle stay pipe 4 by positioning step 7.
When concrete enforcement, the caliber of described trocar sheath 4 is less than the caliber of the endotracheal tube of mantle stay pipe 1 to be placed, so that whole sleeve pipe inserter can enter in endotracheal tube smoothly.The caliber of inner sleeve 5 is less than the caliber of trocar sheath 4, operates moving axially of mantle stay pipe 1 by inner sleeve 5, with stability and the reliability that can guarantee mantle stay pipe 1 to operate.Trocar sheath 4 arranges one end of barrier rib 8 and stretches in endotracheal tube, in this utility model embodiment, can effectively stop the movement of inner sleeve 5 and mantle stay pipe 1 by the barrier rib 8 of trocar sheath 4 ends, barrier rib 8 adopts flexible material to make and has certain hardness.Trocar sheath 4, inner sleeve 5 and mantle stay pipe 1 are coaxial placement, and the length of mantle stay pipe 1 is less than the length of inner sleeve 5 and trocar sheath 4.
In order to realize coordinating of mantle stay pipe 1 and endotracheal tube, utilize the radial-telescopic of mantle stay pipe 1, mantle stay pipe 1 is contacted with the inwall of endotracheal tube after extending out, thereby can realize repeatedly the cover rete 2 of some layers of arranging in endotracheal tube is operated by mantle stay pipe 1.Push rod 6 promotes mantle stay pipe 1 and moves axially in inner sleeve 5, and breaks through stopping of barrier rib 8, and barrier rib 8 has flexibility, and therefore barrier rib 8 can also be connected to the end of trocar sheath 4, can not fall in endotracheal tube.When mantle stay pipe 1 be positioned at inner sleeve 4 outer after, utilize mantle stay pipe 1 retractility radially, make to contact with the inwall of endotracheal tube after mantle stay pipe 1 expansion.
Further, the one end that is arranged on the some layers of mantle 2 on mantle stay pipe 1 inwall can be positioned at outside mantle stay pipe 1, and some layers of 2 of retes of cover that are positioned at outside mantle stay pipe 1 are separated from each other, and to form stripping portion 3, can peel off the cover rete 2 of different layers easily by stripping portion 3.
Cover rete 2 on described mantle stay pipe 1 inwall can be peeled off by cover film exfoliating device.
As shown in Figure 5, described cover film exfoliating device comprises strip operation bar 10, and one end of described strip operation bar 10 is provided with peeling off of mantle stay pipe 1 form fit and encircles 11, and the other end of strip operation bar 10 is provided with operating grip 9.In the time that the cover rete 2 in mantle stay pipe 1 is peeled off, by the caking ability of 2 of regulating sleeve retes, the cover rete 2 in mantle stay pipe 1 is peeled off from inside to outside.
In the time peeling off, put into and peel off ring 11 being positioned at the cover rete 2 that will peel off outside mantle stay pipe 1, owing to peeling off, ring 11 shape is all identical with mantle stay pipe 1, size is slightly little, peel off ring 11 by continuous promotion and move in the interior propelling of mantle stay pipe 1, thereby corresponding cover rete 2 can be peeled off.In this utility model embodiment, when cover rete 2 is peeled off, adopt and peeled off successively by the order outside interior.
Further, because adopting binding agent, 2 of cover retes are bonded to one, the characteristic that can utilize the caking property of binding agent to change with the variation of external environment condition, when cover rete 2 in mantle stay pipe 1 is peeled off, by the caking ability of 2 of regulating sleeve retes, peel off successively from inside to outside with the cover rete 2 in mantle stay pipe 1.When concrete enforcement, the method for 2 caking abilities of described regulating sleeve rete comprises that temperature regulates.By the caking ability of 2 of temperature regulating sleeve retes, thereby cover rete 2 is peeled off from inside to outside successively.The exfoliation temperature that cover rete is 2 can be identical, also can be different.In the time overlapping the exfoliation temperature difference of 2 of retes, realize peeling off difference cover rete 2 by controlling different temperature.Above-mentioned exfoliation temperature refers to and can the adhesive property of binding agent be produced and be changed, the temperature that the operation of short time can not injure intubated patient generation again, usually, more than exfoliation temperature can be controlled in human body temperature scope.In the specific implementation, also can be only by temperature regulate to reduce the mantle of wanting stripper sleeve rete 2 and be close to be 2 or mantle stay pipe 1 between caking ability, to the cover rete 2 that caking ability is minimum is effectively peeled off, and the caking ability that can not affect 2 of all the other cover retes, does not affect the follow-up use of whole endotracheal tube body.
In this utility model embodiment, the cover rete 2 of described innermost layer refers to apart from mantle stay pipe 1 inwall thin film farthest, outermost mantle 2 refers to the thin film that is bonded in mantle stay pipe 1 inwall, and remaining cover rete 2 is between the cover rete 2 and outermost cover rete 2 of innermost layer.Described thermoregulator mode can adopt external temperature to regulate, and also can realize the adjusting to 2 caking abilities of cover rete by peeling off the temperature difference of ring, and the temperature of peeling off ring can be by the one in the various ways such as outside direct heating or electrical heating.
In addition, can also adopt other modes to realize overlapping peeling off of rete 2, while adopting conducting resinls bonding as 2 of cover retes, by increasing foreign current, by produce required exfoliation temperature on conducting resinl, the stripping processes that the different cover of realization retes are 2.In the specific implementation, the cohesive force between cover rete 2 can be different, and the form that can adopt the cover rete 2 of innermost layer to increase gradually to the cohesive force between outermost cover rete 2, acts on internal layer jacket layer rete 2 by mechanical external force to tearing and peel off.
This utility model is at the interior strippable cover rete 2 of some layers that arrange of mantle stay pipe 1, can easily cover rete 2 be placed in endotracheal tube by mantle stay pipe 1, set up protection endotracheal tube inner chamber cover rete, can in time the secretions adhering on internal layer cover rete 2 be removed by the strippable cover rete 2 of multilamellar, to keep the unimpeded of endotracheal tube inner chamber, compact conformation, easy to use, can significantly effectively extend endotracheal tube intubate retention time, reduce the probability of bronchotomu, thereby avoid within the specific limits bronchotomu risk, wide accommodation, cost is low, safe and reliable.
Claims (10)
1. film casing in a multi-layer co-extruded endotracheal tube, it is characterized in that: the mantle stay pipe (1) that comprises radially flexible and hollow, in described mantle stay pipe (1), be provided with the strippable cover rete of some layers (2), described cover rete (2) distributes along the axial length of mantle stay pipe (1).
2. film casing in multi-layer co-extruded endotracheal tube according to claim 1, it is characterized in that: two ~ six layers of cover rete (2) are set in described mantle stay pipe (1), described outermost cover rete (2) is bonded on the inwall of mantle stay pipe (1), and between remaining each cover rete (2), mutually bonds in mantle stay pipe (1).
3. film casing in multi-layer co-extruded endotracheal tube according to claim 2, is characterized in that: between described each cover rete (2), caking ability increases from inside to outside gradually.
4. film casing in multi-layer co-extruded endotracheal tube according to claim 1, is characterized in that: the cover rete (2) on described mantle stay pipe (1) inwall can be peeled off by cover film exfoliating device.
5. film casing in multi-layer co-extruded endotracheal tube according to claim 4, it is characterized in that: described cover film exfoliating device comprises strip operation bar (10), one end of described strip operation bar (10) be provided with mantle stay pipe (1) form fit peel off ring (11), the other end of strip operation bar (10) is provided with operating grip (9).
6. film casing in multi-layer co-extruded endotracheal tube according to claim 4, it is characterized in that: in the time that the cover rete (2) in mantle stay pipe (1) is peeled off, by the caking ability between regulating sleeve rete (2), the cover rete (2) in mantle stay pipe (1) is peeled off from inside to outside.
7. film casing in multi-layer co-extruded endotracheal tube according to claim 1, is characterized in that: described mantle stay pipe (1) comprises bourdon tube.
8. film casing in multi-layer co-extruded endotracheal tube according to claim 1, is characterized in that: described mantle stay pipe (1) can stretch into and coaxially be placed in endotracheal tube; The outer wall of mantle stay pipe (1) contacts with the inwall of endotracheal tube, and mantle stay pipe (1) is connected with endotracheal tube.
9. film casing in multi-layer co-extruded endotracheal tube according to claim 8, is characterized in that: described mantle stay pipe (1) is placed in endotracheal tube by sleeve pipe inserter; Described sleeve pipe inserter comprises trocar sheath (4) and is positioned at the inner sleeve (5) of described trocar sheath (4), and described mantle stay pipe (1) radial compression is installed in inner sleeve (5), and mantle stay pipe (1) can move axially in inner sleeve (5); Mantle stay pipe (1) is mobile to be passed after trocar sheath (4), after mantle stay pipe (1) radially resets, contacts with the inwall of endotracheal tube.
10. film casing in multi-layer co-extruded endotracheal tube according to claim 9, is characterized in that: the end, one end of described trocar sheath (4) is provided with the barrier rib (8) for stopping that mantle stay pipe (1) is mobile; In the tube chamber of described mantle stay pipe (1), insert to be useful on and promote the mobile push rod (6) of mantle stay pipe (1), described push rod (6) is provided with positioning step (7), and push rod (6) contacts with the end of mantle stay pipe (4) by positioning step (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420093264.1U CN203736665U (en) | 2014-03-03 | 2014-03-03 | Multi-layer coextrusion tracheal catheter intima cannula |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420093264.1U CN203736665U (en) | 2014-03-03 | 2014-03-03 | Multi-layer coextrusion tracheal catheter intima cannula |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203736665U true CN203736665U (en) | 2014-07-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420093264.1U Expired - Fee Related CN203736665U (en) | 2014-03-03 | 2014-03-03 | Multi-layer coextrusion tracheal catheter intima cannula |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203736665U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103816598A (en) * | 2014-03-03 | 2014-05-28 | 高宏 | Multilayer co-extrusion tracheal catheter intima sleeve |
-
2014
- 2014-03-03 CN CN201420093264.1U patent/CN203736665U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103816598A (en) * | 2014-03-03 | 2014-05-28 | 高宏 | Multilayer co-extrusion tracheal catheter intima sleeve |
| CN103816598B (en) * | 2014-03-03 | 2015-11-04 | 高宏 | Film casing in multi-layer co-extruded endotracheal tube |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140730 Termination date: 20180303 |