CN204446913U - A kind of drainage tube tube head for closed drainage of pleural cavity - Google Patents
A kind of drainage tube tube head for closed drainage of pleural cavity Download PDFInfo
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- CN204446913U CN204446913U CN201520028939.9U CN201520028939U CN204446913U CN 204446913 U CN204446913 U CN 204446913U CN 201520028939 U CN201520028939 U CN 201520028939U CN 204446913 U CN204446913 U CN 204446913U
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- drainage
- drainage tube
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Abstract
The utility model discloses a kind of drainage tube tube head for closed drainage of pleural cavity, two-way memory alloy is combined with drainage tube by this technical scheme, after the front end of drainage tube tube head enters intrathoracic appointment drainage location, utilize hot water to the heating of annular two-way memory alloy catch, make it radially become large.Then, to the female circular baffle plate of direction, thoracic cavity rotating band, move it thoracic cavity outer wall, like this, under the common clamping of annular two-way memory alloy catch with the female circular baffle plate of band, drainage tube tube head will be fixedly secured on thoracic cavity, thus stand up patient, sitting and lying or health be when moving, drainage tube tube head can be avoided outwards to slide from human body come off, drainage tube tube head can be avoided again sliding in human body, other organ intrathoracic or tissue are even stabbed in touching, alleviate the misery of patient.
Description
Technical field
This utility model belongs to Medical instruments Appliances technical field, is specifically related to a kind of drainage tube tube head for closed drainage of pleural cavity.
Background technology
Closed drainage of pleural cavity is that thoracic surgery applies wider technology, take gravity drainage as principle, is that Thorax operration is rebuild, maintained pneumatosis, hydrops in intrathoracic negative pressure, drain thoracic cavity, promotes the important measures of lung expansion; The effective ways for the treatment of empyema, traumatic hemothorax, pneumothorax, spontaneous pneumothorax.Its objective is as improving intrathoracic negative pressure better, gas, blood, liquid being discharged in pleural space, and prevents its reflux, promote lung recruitment, pleural space closes; Equalizing pressure, prevention mediastinal displacement and lung pressurized.After being adapted to acute empyema, thoracic trauma, lung and other thoracic cavity major operations, the disease such as tension pneumothorax.
Current closed drainage of pleural cavity operative process is as follows: first make pleura cavity puncture with syringe, to determine minimum drainage location.Make skin incision, by friction clamp separately each muscle layer (cutting if desired), finally separately Intercostal muscle enters pleural space (parietal pleura should inject enough local anesthetics), inserts larger rubber tube.The length that drainage tube stretches into thoracic cavity is generally no more than 4 ~ 5cm, fixes drainage tube on chest wall cutaneous with suture, and end connects aseptic water-sealed drainage bottle.In the routine operation described in such scheme, because drainage tube is fixedly be banded on drainage tube after employing is sewn in skin, patient stands up, sitting and lying, easily cause drainage tube inwardly to stretch touching and even stab other organ intrathoracic or tissue, cause discomfort to patient, also likely outwards cunning may cause drainage tube to deviate from human body.
Number of patent application is " 201020198732. 3 ", name is called that the utility model of " air-pocket type intrathoracic drain " discloses a kind of air-pocket type intrathoracic drain, some side openings are reserved in the front end of body, the rear portion of body is provided with air bag, air bag connects gas tube, the rear end of gas tube is connected with inflation plug, is provided with one section of light-amplifying glass pipe in the rear end of body.This utility model patent utilizes air bag effectively to prevent drainage tube from escaping, but has its own shortcomings: 1 air bag takes up room comparatively large, the front end of drainage tube may be made to touch and even stab other organ intrathoracic or tissue, bring infringement to patient.2 due to drainage tube only in torso model side air bag is set, can only prevent drainage tube from deviating from human body, and can not prevent from standing up patient, sitting and lying or health be when moving, slide in drainage tube front end in thoracic cavity, and make the touching of the front end of drainage tube even stab other organ intrathoracic or tissue, drainage tube still can not be made effectively to be fixed.
The full name of shape memory alloy is marmem, is a kind ofly to eliminate its distortion occurred at a lower temperature completely after heat temperature raising, recovers the alloy material of original-shape before its distortion.People are called has shape memory effect, in addition, " pseudoelasticity " is there is (also known as " super-elasticity " in another peculiar property of this alloy under higher temperature (austenitic state), English pseudoelasticity) behavior, show as this alloy energy CBR common metal several times even recoverable strain of tens times greatly.Shape memory effect can be divided into one-way memory effect, double-pass memory effect, omnidistance memory effect.Wherein: one-way memory effect refers to that marmem is out of shape at a lower temperature, the shape after heating before recoverable deformation, this shape-memory phenomena existed in heating process is called one-way memory effect; Recover high-temperature-phase shape when double-pass memory effect refers to that some alloy heats, low-temperature phase shape can be recovered again during cooling, be called double-pass memory effect; Such as Cu-Zn-Al alloy or Ti-Ni-Cu alloy etc. just have double-pass memory effect; Recover high-temperature-phase shape when omnidistance memory effect refers to heating, become the low-temperature phase shape that shape is identical and orientation is contrary during cooling, be called omnidistance memory effect.
In current field of medical device, also do not invent one so far and two-way memory alloy is combined with drainage tube tube head, thus when not taking larger space, thoracic cavity, good fixed effect is played to the drainage tube tube head of inserting in torso model; Stand up patient, sitting and lying or health be when moving, can avoid that drainage tube tube head is outwards sliding to come off from human body, drainage tube tube head can be avoided again sliding in human body, and other organ intrathoracic or tissue are even stabbed in touching, increase the misery of patient.
Utility model content
The technical problems to be solved in the utility model is to provide a kind of drainage tube tube head for closed drainage of pleural cavity, memorial alloy is combined with drainage tube, when not taking larger space, thoracic cavity, good fixed effect can be played to the drainage tube tube head of inserting in torso model, can not only avoid standing up patient, when sitting and lying or health move, drainage tube tube head outwards slides from human body and comes off, also can avoid drainage tube tube head inwardly slide touching even stab other organ intrathoracic or tissue, alleviate to a great extent in the process of drain to the misery that patient causes.
For overcoming the deficiencies in the prior art, the technical solution adopted in the utility model is: a kind of drainage tube tube head for closed drainage of pleural cavity, comprise drainage tube tube head front end, drainage tube tube head rear end and drainage tube tube head outer wall, described drainage tube tube head front end is set to ellipse, drainage tube tube head rear end to be sealed with outside aseptic drainage bottle by silica gel tube and is communicated with, be disposed with annular two-way memory alloy catch between drainage tube tube head front end and drainage tube tube head rear end and be with female baffle plate, annular two-way memory alloy catch outside wraps tightly one deck silica gel sheath, drainage tube tube head outer wall between annular two-way memory alloy catch and baffle plate arranges the external screw thread matched with the female thread of baffle plate, be with female baffle plate can move forward and backward on drainage tube tube head outer wall, in annular two-way memory alloy catch bottom, water storage cavity is set, water storage cavity top arranges water inlet, water storage cavity bottom sets out the mouth of a river, water inlet and outlet are communicated with outlet pipe with the water inlet pipe stretched out outside human body respectively, the end of outlet pipe connects water reservoir.
Described annular two-way memory alloy block is Ti-Ni-Cu alloy block.
The front end of described drainage tube has the oval drain side opening of more than 2 or 2.
The female baffle plate of described band is fixing on the surface near human body side adheres to one deck kpetrolatum gauze.
The female baffle plate of described band is medical stainless steel baffle plate or polypropylene for medical article baffle plate.
The beneficial effects of the utility model: a kind of drainage tube tube head for closed drainage of pleural cavity described in the technical scheme of the application, two-way memory alloy is combined with drainage tube, after the front end of drainage tube tube head enters intrathoracic appointment drainage location, utilize hot water to the heating of annular two-way memory alloy catch, make it radially become large.During due to drain, annular two-way memory alloy catch and baffle plate lay respectively at the inside and outside of thoracic cavity, then, to the female baffle plate of direction, thoracic cavity rotating band, move it thoracic cavity outer wall, like this, under the common clamping of annular two-way memory alloy catch and baffle plate, drainage tube tube head will be fixedly secured on thoracic cavity, thus stand up patient, when sitting and lying or health move, drainage tube tube head can be avoided outwards to slide from human body come off, drainage tube tube head can be avoided again sliding in human body, other organ intrathoracic or tissue are even stabbed in touching, increase the misery of patient.
Accompanying drawing explanation
Fig. 1 is the structural representation before drainage tube tube head described in the utility model uses,
Fig. 2 is the structural representation in drainage tube tube head drainage process described in the utility model,
Fig. 3 is annular two-way memory alloy catch described in the utility model at A-A to the cross-sectional view after amplifying.
In figure: 1-drainage tube tube head front end, the oval drain side opening of 2-, 3-annular two-way memory alloy catch, 4-water storage cavity, 5-drainage tube tube head outer wall, 6-external screw thread, 7-baffle plate, 8-water inlet pipe, 9-drainage tube tube head rear end, 10-outlet pipe, 11-kpetrolatum gauze, 12-water reservoir, 13-silica gel sheath, 14-water inlet, 15-outlet.
Detailed description of the invention
Below in conjunction with accompanying drawing and implementation process, this utility model is described further, to facilitate the technical staff to understand.
As Fig. 1, shown in Fig. 2 and Fig. 3: a kind of drainage tube tube head for closed drainage of pleural cavity, comprise drainage tube tube head front end 1, drainage tube tube head rear end 9 and drainage tube tube head outer wall 5, described drainage tube tube head front end 1 is set to ellipse, drainage tube tube head rear end 9 to be sealed with outside aseptic drainage bottle by silica gel tube and is communicated with, be disposed with annular two-way memory alloy catch 3 between drainage tube tube head front end 1 and drainage tube tube head rear end 9 and be with female baffle plate 7, annular two-way memory alloy catch 3 outside wraps tightly one deck silica gel sheath 13, drainage tube tube head outer wall 5 between annular two-way memory alloy catch 3 and baffle plate 7 arranges the external screw thread 6 matched with the female thread of baffle plate 7, can be movable on drainage tube tube head outer wall 5 by the external screw thread 6 be arranged on drainage tube tube head outer wall 5 with female baffle plate 7, in annular two-way memory alloy catch 3 bottom, water storage cavity 4 is set, water storage cavity 4 top arranges water inlet 14, water storage cavity 4 bottom sets out the mouth of a river 15, water inlet 14 and outlet 15 are communicated with outlet pipe 10 with the water inlet pipe 8 stretched out outside human body respectively, the end of outlet pipe 10 connects water reservoir 12.
In the prior art, the kind of two-way memory alloy is a lot, in the technical program, what annular two-way memory alloy catch 3 adopted is Ti-Ni-Cu alloy, the manufacturing process of the annular two-way memory alloy catch 3 in this programme is as follows: " double process shape-memory effect " that utilize Ti-Ni-Cu alloy, first by Ti, Ni, Cu is Ni:50.2 % in mass ratio, Ti:44.7 %, Cu:5.1%, make the two-way memory alloy that phase transition temperature is 43 DEG C, then in temperature higher than phase transition temperature, such as, under the environment of 50 DEG C ~ 55 DEG C, Ti-Ni-Cu alloy is made internal diameter identical with drainage tube, external diameter annular two-way memory alloy catch 3 through large 5-10 mm outer than drainage tube, it is avoided outwards to slide for blocking drainage tube tube head, come off from human body, then under the environment of temperature lower than memorial alloy phase transition temperature such as 20 DEG C ~ 25 DEG C, become diameter identical with drainage tube tube head this annular two-way memory alloy catch 3 flow, be convenient to drainage tube tube head insert in torso model or drain terminate after extract in torso model, make it have good double-pass memory effect finally by repeatedly mechanical training.
Wherein, the phase transition temperature of two-way memory alloy is by Ti-Ni-Cu alloy, the mass percent of Ti, Ni and Cu determines, can also usually improve phase transition temperature by adding the units such as Au, Pt, Pd or usually reduce phase transition temperature by adding the units such as Fe, Al, Cr, Co, Mn, this belongs to the state of the art.
In the technical program, annular two-way memory alloy catch 3 outside wraps tightly one deck silica gel sheath 13, brings discomfort after can avoiding annular two-way memory alloy catch 3 expanded by heating with thoracic cavity contact internal walls to patient.
Water storage cavity 4 is fixed on the bottom of annular two-way memory alloy catch 3, heating can be carried out to annular two-way memory alloy catch 3 and make it expand by injecting hot water to water storage cavity 4, block drainage tube tube head and slide outside human body; Or inject cold water to water storage cavity 4 to lower the temperature to annular two-way memory alloy catch 3, make it shrink flow and become diameter identical with drainage tube tube head, be convenient to drainage tube tube head insert in torso model or drain terminate after extract in torso model.
Drainage tube tube head front end 1 is set to ellipse, and can avoid in the process of intubate or use, drainage tube tube head front end 1 is too sharp keen, stabs other organ intrathoracic or tissue, increases patient suffering.
The front end 1 of described drainage tube tube head has the oval drain side opening 2 of more than 2 or 2, and can avoid in the process of drain, drainage tube tube head is blocked.
Female baffle plate 7 is with to be medical stainless steel baffle plate or polypropylene for medical article baffle plate, attachment one deck kpetrolatum gauze 11 is fixed on the surface near human body side, when baffle plate 7 rotates to draining hole by the external screw thread 6 be arranged on drainage tube tube head outer wall 5, draining hole can be covered, play good sealing effectiveness, the air avoiding the external world to carry the germs of a disease invades in thoracic cavity, gauze and wound surface adhesion can also be prevented, there is lubrication, sticky wound, promote that granulation grows, promote the effect of wound healing, in addition, replacing is also very convenient.
A kind of drainage tube tube head use procedure for closed drainage of pleural cavity described in such scheme is as follows: as shown in Figure 1, first drainage tube tube head to be sealed with outside aseptic drainage bottle by silica gel tube and be communicated with, image technology is utilized to determine to need in thoracic cavity the position of drain, make skin incision, by friction clamp separately each muscle layer (cutting if desired), separately Intercostal muscle, this drainage tube tube head is made to insert in thoracic cavity along Intercostal muscle, arrive the position needing drain, now annular two-way memory alloy catch 3 enters thoracic cavity, is with female baffle plate 7 to be positioned at outside, thoracic cavity.
Then, as shown in Figure 2, by water inlet pipe 8 and the water inlet 14 being arranged on water storage cavity 4 top, in water storage cavity 4, input temp is the hot water of about 55 DEG C, namely heat annular two-way memory alloy catch 3, make it restore to the original state under higher than the condition of phase transition temperature, be also that internal diameter is identical with drainage tube tube head by diameter and drainage tube tube head same expansion, and external diameter 5-10 mm larger than drainage tube tube head, so just can block drainage tube tube head and slide outside human body.
After annular two-way memory alloy catch 3 expanded by heating restores to the original state, to the female baffle plate 7 of direction, thoracic cavity rotating band, move it thoracic cavity outer wall, like this, under the common clamping of annular two-way memory alloy catch 3 with the female baffle plate 7 of band, drainage tube tube head will be fixedly secured on thoracic cavity, thus stand up patient, when sitting and lying or health move, drainage tube tube head can be avoided outwards to slide from human body come off, drainage tube tube head can be avoided again sliding in human body, other organ intrathoracic or tissue are even stabbed in touching, increase the misery of patient.
If drain terminates, when needing to extract drainage tube tube head, need be only the cold water of 20 DEG C ~ 25 DEG C toward implantation temperature in water storage cavity 4, then according to " memory effect " of alloy, the annular two-way memory alloy catch 3 expanded will shrink flow and become diameter identical with drainage tube, is convenient to drainage tube tube head and outwards takes out.
The hot water used in said process and cold water finally all flow into the water reservoir 12 be connected with outlet pipe 10 end, be convenient to use after hot water and cold water carry out collections process.
Drainage tube tube head described in certain such scheme in fact also can be used in the drain at abdominal cavity or other position of human body.
As mentioned above, the drainage tube tube head for closed drainage of pleural cavity described in the technical program, successfully memorial alloy is combined with drainage tube, stand up patient, sitting and lying or health be when moving, drainage tube tube head can be avoided outwards to slide from human body come off, drainage tube tube head can be avoided again sliding in human body, and other organ intrathoracic or tissue are even stabbed in touching, increase the misery of patient.In clinical experiment process, achieve good effect, obtain the consistent favorable comment of patient and family members.
This utility model is described by accompanying drawing, when not departing from this utility model scope, various conversion and equivalent replacement can also be carried out to this utility model patent, therefore, this utility model patent is not limited to disclosed specific implementation process, and should comprise the whole embodiments fallen within the scope of this utility model Patent right requirement.
Claims (5)
1. the drainage tube tube head for closed drainage of pleural cavity, comprise drainage tube tube head front end, drainage tube tube head rear end and drainage tube tube head outer wall, it is characterized in that: described drainage tube tube head front end is set to ellipse, drainage tube tube head rear end to be sealed with outside aseptic drainage bottle by silica gel tube and is communicated with, be disposed with annular two-way memory alloy catch between drainage tube tube head front end and drainage tube tube head rear end and be with female baffle plate, annular two-way memory alloy catch outside wraps tightly one deck silica gel sheath, drainage tube tube head outer wall between annular two-way memory alloy catch and baffle plate arranges the external screw thread matched with the female thread of baffle plate, be with female baffle plate can move forward and backward on drainage tube tube head outer wall, in annular two-way memory alloy catch bottom, water storage cavity is set, water storage cavity top arranges water inlet, water storage cavity bottom sets out the mouth of a river, water inlet and outlet are communicated with outlet pipe with the water inlet pipe stretched out outside human body respectively, the end of outlet pipe connects water reservoir.
2. the drainage tube tube head for closed drainage of pleural cavity according to claim 1, is characterized in that: described annular two-way memory alloy catch is Ti-Ni-Cu alloy catch.
3. the drainage tube tube head for closed drainage of pleural cavity according to claim 1, is characterized in that: the front end of described drainage tube has the oval drain side opening of more than 2 or 2.
4. the drainage tube tube head for closed drainage of pleural cavity according to claim 1, is characterized in that: the female circular baffle plate of described band is fixing on the surface near human body side adheres to one deck kpetrolatum gauze.
5. the drainage tube tube head for closed drainage of pleural cavity according to any one of claim 1-4 claim, is characterized in that: the female annular baffle of described band is medical stainless steel baffle plate or polypropylene for medical article baffle plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520028939.9U CN204446913U (en) | 2015-01-16 | 2015-01-16 | A kind of drainage tube tube head for closed drainage of pleural cavity |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520028939.9U CN204446913U (en) | 2015-01-16 | 2015-01-16 | A kind of drainage tube tube head for closed drainage of pleural cavity |
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| CN204446913U true CN204446913U (en) | 2015-07-08 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106510786A (en) * | 2016-11-29 | 2017-03-22 | 西安医学院第二附属医院 | Compression hemostasis apparatus for anus wound part |
| CN109646728A (en) * | 2019-01-14 | 2019-04-19 | 上海市肺科医院 | A kind of multifunctional drainage device with anti-drop structure |
| CN111632214A (en) * | 2020-05-15 | 2020-09-08 | 孙英贤 | Impeller inflation formula ventricle circulation auxiliary device |
-
2015
- 2015-01-16 CN CN201520028939.9U patent/CN204446913U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106510786A (en) * | 2016-11-29 | 2017-03-22 | 西安医学院第二附属医院 | Compression hemostasis apparatus for anus wound part |
| CN109646728A (en) * | 2019-01-14 | 2019-04-19 | 上海市肺科医院 | A kind of multifunctional drainage device with anti-drop structure |
| CN111632214A (en) * | 2020-05-15 | 2020-09-08 | 孙英贤 | Impeller inflation formula ventricle circulation auxiliary device |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150708 Termination date: 20160116 |
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| EXPY | Termination of patent right or utility model |