CN109394312A - A kind of exhaust apparatus for cardiac operation - Google Patents
A kind of exhaust apparatus for cardiac operation Download PDFInfo
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- CN109394312A CN109394312A CN201811102792.8A CN201811102792A CN109394312A CN 109394312 A CN109394312 A CN 109394312A CN 201811102792 A CN201811102792 A CN 201811102792A CN 109394312 A CN109394312 A CN 109394312A
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- blood
- needle
- exhaust
- communicated
- tube
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/34—Trocars; Puncturing needles
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- Health & Medical Sciences (AREA)
- Surgery (AREA)
- Life Sciences & Earth Sciences (AREA)
- Biomedical Technology (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Engineering & Computer Science (AREA)
- Pathology (AREA)
- Heart & Thoracic Surgery (AREA)
- Medical Informatics (AREA)
- Molecular Biology (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- External Artificial Organs (AREA)
Abstract
The invention discloses a kind of exhaust apparatus for cardiac operation, are related to medical instruments field.The device includes exhaust needle; exhaust needle includes needle tubing and the needle point that connects with needle tubing tail portion; the device further includes protection band; finite place piece is installed on the position that needle point is 3 to 5 millimeters on the needle tubing; one end of protection band and locating part are fixed; the other end and locating part are flexibly connected; the tail portion of needle tubing is communicated with blood buffer device; the top of blood buffer device is provided with liquid outlet; outlet tube is communicated on liquid outlet; pipe clamp is additionally provided on outlet tube, outlet tube end is communicated with blood mixer, is also communicated with inlet tube and guiding tube on blood mixer.The present invention compared with the existing technology, not only increases exhaust effect, but also facilitates the operation of medical staff.
Description
Technical field
The present invention relates to medical instruments field, specifically a kind of exhaust apparatus for cardiac operation.
Background technique
Exhaust needle mainly plays the role of that gas in blood vessel, conventional cardiac operation is discharged in cardiac operation
After completing left heart operation, exhaust needle is inserted on vascular wall, and the needle point of exhaust needle will be completely in internal blood vessel, benefit
Make endovascular blood enter needle tubing by needle point with endovascular high pressure, is then excreted in blood by needle tubing same
When, endovascular gas is also discharged outside blood vessel, prevents operation from neutralizing postoperative gas embolism.
But clinically conventional use of exhaust needle has the following deficiencies: at present
After exhaust needle insertion is intravascular, since the depth of insertion blood vessel is different, causes also to have an impact to the effect of exhaust, insert
The depth for entering blood vessel shallowly will lead to a part of needle point also in the pipe wall excessively, and another part needle point in the blood vessels, and then will cause blood
The mouth that liquid enters in needle tubing becomes smaller, and intravascular, very few situation is completely in relative to needle point will lead to, blood in same time
The rate for entering needle tubing with gas is affected, and then influences exhaust effect；When needle point insertion blood vessel is too deep, due to the row of insertion
Air tube will lead to sharp needle point under the influence of fluid flow blood there is no fixed, movable in the blood vessels, and scope of activities because
Needle point for insertion is too long and becomes larger, and not only influences exhaust effect, but also can damage the inner membrance of blood vessel.
Gas is discharged while blood is discharged only with the pressure difference between internal blood vessel and gas in exhaust needle, this
Exhaust mode, pressure at expulsion is smaller, causes exhaust effect bad.Meanwhile exhaust needle by the blood accumulation of discharge in thoracic cavity and the heart
It wraps intracavitary, medical staff is needed persistently to be attracted with endocardial suction unit, thoracic cavity and cavum pericardiale is discharged in blood, increases medical staff
Operation difficulty.
Summary of the invention
In view of the deficiencies in the prior art, present invention solves the technical problem that are as follows: how to guarantee exhaust effect
Meanwhile facilitating the operation of medical staff.
To achieve the above objectives, present invention provide the technical scheme that providing a kind of exhaust for cardiac operation
Device, the device include exhaust needle, and exhaust needle includes needle tubing and the needle point that is connected to needle tubing tail portion, which further includes protecting
Protecting band, finite place piece is installed on the needle tubing on the position that needle point is 3 to 5 millimeters, and one end of protection band and locating part are solid
Fixed, the other end and locating part are flexibly connected, and the tail portion of needle tubing is communicated with blood buffer device, and the top of blood buffer device is provided with out liquid
Mouthful, it is communicated with outlet tube on liquid outlet, pipe clamp is additionally provided on outlet tube, outlet tube end is communicated with blood mixer, blood
Inlet tube and guiding tube are also communicated on mixer.
Based on the above technical solution, on the needle tubing needle point apart from 4 millimeters of locating part.
Based on the above technical solution, the needle point is single-open.
Based on the above technical solution, the guiding tube is connected to the bottom of blood mixer.
Based on the above technical solution, the outlet tube and inlet tube are connected to the top of blood mixer.
Based on the above technical solution, the locating part is made of stainless steel material.
Based on the above technical solution, the blood buffer device is made of transparent material.
Compared with the prior art, the advantages of the present invention are as follows:
During surgery, the guiding tube of exhaust apparatus is connected to endocardial suction unit, endocardial suction unit is exhaust needle after connection
Increase negative pressure, enables blood rapidly and efficiently direct in endocardial suction unit, solving merely using inside aorta of extraction
Pressure difference between gas, the bad problem of discharge gas.Other positions in inlet tube and heart are needed to be discharged blood
Pipeline connection, inlet tube can facilitate medical staff to excrete the blood of heart other positions, convenient for the operation of medical staff.
Simultaneously under the cooperation of locating part and protection band, exhaust needle problem fixed on aorta wall is not only solved,
It can guarantee that needle point not in aorta internal activity, causes to damage to aortic tunica intima, and fix using protection band, relative to adopting
It is fixed with silk thread, increases the contact area with blood vessel, to reduce the damage to soft blood vessel.
The present invention is first extracted into blood in thoracic cavity and cavum pericardiale from blood vessel by original, then extracts blood out with endocardial suction unit
The tedious steps of liquid become the easy steps directly from Vessel extraction to endocardial suction unit, the operation of more convenient medical staff.
Meanwhile blood buffer device and blood mixer can all play the role of buffering, outlet tube can also facilitate medical staff by heart its
He excretes the blood of position, convenient for the operation of medical staff.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the exhaust apparatus for cardiac operation in the embodiment of the present invention.
In figure: 1- needle point, 2- protection band, 3- needle tubing, 4- exhaust needle, 5- blood buffer device, 6- liquid outlet, 7- outlet tube,
8- pipe clamp, 9- inlet tube, 10- blood mixer, 11- guiding tube, 12- locating part.
Specific embodiment
The embodiment of the present invention is described in further detail below in conjunction with attached drawing.
Shown in Figure 1, the exhaust apparatus for cardiac operation in the embodiment of the present invention includes exhaust needle 4 and protects
Protecting band 2, exhaust needle 4 include needle tubing 3 and the needle point 1 that be connected to 3 front end of needle tubing, apart from needle point 1 are 3 to 5 millimeters on needle tubing 3
Finite place piece 12 is installed, one end of protection band 2 and locating part 12 are fixed, and the other end and locating part 12 are flexibly connected on position.Needle
The tail portion of pipe 3 is communicated with blood buffer device 5, and the top of blood buffer device 5 is provided with liquid outlet 6, is communicated with outlet tube on liquid outlet 6
7, pipe clamp 8 is additionally provided on outlet tube 7, and 7 end of outlet tube is also communicated with blood mixer 10, is also connected on blood mixer 10
There are inlet tube 9 and guiding tube 11.
The principle of the present invention and advantage: during surgery, the guiding tube 11 of exhaust apparatus being connected to endocardial suction unit, connection
Endocardial suction unit is that exhaust needle 4 increases negative pressure afterwards, enables blood direct in endocardial suction unit, the solution rapidly and efficiently of extraction
The pressure difference inside aorta between gas, the bad problem of discharge gas are certainly utilized merely.By its in inlet tube 9 and heart
His position needs to be discharged the pipeline connection of blood, and inlet tube 9 can facilitate medical staff that body is discharged in the blood of heart other positions
Outside, convenient for the operation of medical staff.
The needle point 1 of exhaust needle 4 is inserted into blood vessel, the locating part 12 made leans against on vascular wall, then uses protection band 2
Blood vessel is wound, and protection band 2 is fixed on locating part 12.Because the aortic blood tube thickness of human body is between 3~5 millimeters,
So locating part 12 is 3~5 millimeters from needle point 1, needle point 1 can just be made to be fully located at intravascular, so that blood and gas at this time
Mouth into needle point 1 is maximum, ensure that exhaust effect, while under the cooperation of locating part 12 and protection band 2, the row of not only solving
The problem fixed on aorta wall of air tube 4, can guarantee that needle point 1 not in aorta internal activity, causes to damage to aortic tunica intima
Wound, and fixed using protection band 2, is fixed relative to using silk thread, increases the contact area with blood vessel, to reduce pair
The damage of soft blood vessel.
At this point, opening endocardial suction unit, blood enters blood buffer device 5 by exhaust needle 4, in the negative pressure of endocardial suction unit
Under effect, after buffering mixing in blood mixer 10 by the blood flowed into outlet tube 7 and inlet tube 9, from guiding tube 11
Into endocardial suction unit.The present invention is first extracted into blood in thoracic cavity and cavum pericardiale from blood vessel by original, then uses cardiotomy suction
Device extracts the tedious steps of blood out, becomes the easy steps directly from Vessel extraction to endocardial suction unit, more convenient medical care people
The operation of member.Meanwhile blood buffer device 5 and blood mixer 10 can all play the role of buffering, outlet tube 7 can also facilitate medical care
Personnel excrete the blood of heart other positions, convenient for the operation of medical staff.
In actual operation, it after exhaust needle 4 being injected in blood vessel, determines that there is no problem and after fixing, unclamps pipe clamp 8,
Blood will enter in endocardial suction unit.It follows that although the negative pressure exhaust effect of endocardial suction unit is relatively only sharp in the past
It is vented with the pressure difference of extra vascular, whether exhaust effect becomes apparent from, but have after no determining exhaust needle 4 is inserted into blood vessel
Problem, turning on endocardial suction unit still has security risk, at this point, pipe clamp 8 can play the role of such a, does not open
Before pipe clamp 8, the blood and gas of discharge only after determining exhaust needle 4 there is no problem, can open pipe clamp 8 into blood buffer device 5
Blood will enter blood mixer 10, enter back into endocardial suction unit.
When need to use, liquid outlet 6 is connected to outlet tube 7, outlet tube 7 and blood buffer device 5 separate, and are convenient for changing
Outlet tube 7, while also facilitating the disinfection to outlet tube 7 and blood buffer device 5.
It follows that the present invention can facilitate medical staff to pass through the negative of endocardial suction unit while guaranteeing exhaust effect
Pressure, directly by blood by being discharged in extracorporeal circulation system.
The present invention is illustrated below in conjunction with six embodiments:
Embodiment one:
Shown in Figure 1, the blood buffer device 5 in the embodiment of the present invention is made of transparent material, transparent blood buffer
After device 5 observes the insertion blood vessel of exhaust needle 4 convenient for medical staff, the blood of discharge and the rate behavior of gas, thus to adjust the heart
The vacuum magnitude of interior aspirator.
Embodiment two:
Shown in Figure 1, needle point 1 is 4 millimeters apart from locating part 12 on the needle tubing 3 in the embodiment of the present invention, passes through research
It was found that the aortic blood thickness of pipe wall of human body is at 3 to 5 millimeters, 3 millimeters and 5 millimeters according to the age of human body and physical condition difference
Adaptation population it is less, the vascular walls of 4 millimeters thicks is the aorta wall thickness of most of crowds.It can thus be appreciated that needle, point distance limit
Part 12 is that 4 millimeters of adaptation populations are wider.
Embodiment three:
Shown in Figure 1, the needle point 1 in the embodiment of the present invention is single-open, and the flow direction of blood is unilateral side in the blood vessel
Flow direction excretes after the side insertion for the side alignment blood flow direction that needle point 1 is open convenient for blood and gas.
Example IV:
Shown in Figure 1, the guiding tube 11 in the embodiment of the present invention is connected to the bottom of blood mixer 10, due to guidance
Pipe 11 is that the blood in blood mixer 10 is transported in endocardial suction unit, then opening is lower convenient for the defeated of blood
It send.
Embodiment five:
Shown in Figure 1, outlet tube 7 and inlet tube 9 in the embodiment of the present invention are connected to the top of blood mixer 10,
Since blood mixer 10 is to play buffer function, outlet tube 7 and feed liquor to the blood in outlet tube 7 and inlet tube 9
The top of pipe 9 and blood mixer 10 is communicated with biggish cushion space.
Embodiment six:
Shown in Figure 1, the locating part 12 in the embodiment of the present invention is made of stainless steel material, the limit of stainless steel material
Not only hardness is higher for position part 12, can play good fixed function in use, and be convenient for the disinfection of medical staff.
The present invention is not only limited to above-mentioned preferred forms, anyone can show that other are each under the inspiration of the present invention
The product of kind form, however, make any variation in its shape or structure, it is all with identical or similar with the present invention
Technical solution, within its protection scope.
Claims (7)
1. a kind of exhaust apparatus for cardiac operation, which includes exhaust needle (4), and exhaust needle (4) includes needle tubing
(3) and with needle tubing (3) tail portion the needle point (1) being connected to, it is characterised in that: the device further includes protection band (2), the needle tubing
(3) finite place piece (12) are installed on (1) 3 to 5 millimeter of needle point of position on, one end of protection band (2) and locating part (12)
Fixed, the other end and locating part (12) are flexibly connected, and the tail portion of needle tubing (3) is communicated with blood buffer device (5), blood buffer device
(5) top is provided with liquid outlet (6), is communicated on liquid outlet (6) outlet tube (7), and pipe clamp (8) are additionally provided on outlet tube (7),
Outlet tube (7) end is communicated with blood mixer (10), and inlet tube (9) and guiding tube are also communicated on blood mixer (10)
(11)。
2. being used for the exhaust apparatus of cardiac operation as described in claim 1, it is characterised in that: needle on the needle tubing (3)
Sharp (1) is apart from (12) 4 millimeters of locating part.
3. being used for the exhaust apparatus of cardiac operation as described in claim 1, it is characterised in that: the needle point (1) is single
Side opening.
4. as described in claim 1 be used for cardiac operation exhaust apparatus, it is characterised in that: the guiding tube (11) and
The bottom of blood mixer (10) is connected to.
5. as described in claim 1 be used for cardiac operation exhaust apparatus, it is characterised in that: the outlet tube (7) and
Inlet tube (9) is connected to the top of blood mixer (10).
6. being used for the exhaust apparatus of cardiac operation as described in claim 1, it is characterised in that: the locating part (12) is adopted
It is made of stainless steel material.
7. being used for the exhaust apparatus of cardiac operation as described in claim 1, it is characterised in that: the blood buffer device
(5) it is made of transparent material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811102792.8A CN109394312B (en) | 2018-09-20 | 2018-09-20 | Exhaust device for cardiac surgery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811102792.8A CN109394312B (en) | 2018-09-20 | 2018-09-20 | Exhaust device for cardiac surgery |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109394312A true CN109394312A (en) | 2019-03-01 |
| CN109394312B CN109394312B (en) | 2020-06-23 |
Family
ID=65466018
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811102792.8A Expired - Fee Related CN109394312B (en) | 2018-09-20 | 2018-09-20 | Exhaust device for cardiac surgery |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109394312B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2513525Y (en) * | 2001-12-31 | 2002-10-02 | 曾庆诗 | Perfusion exsufflating needle for aorta |
| US20050027253A1 (en) * | 2003-07-29 | 2005-02-03 | Thomas Castellano | Sheath with air trap |
| CN202270208U (en) * | 2011-10-25 | 2012-06-13 | 中国人民解放军第四军医大学 | Aorta bottom air discharging needle with foldable protection wing |
| CN205235048U (en) * | 2015-12-08 | 2016-05-18 | 刘宇 | Heart exhaust auxiliary device |
| CN207341955U (en) * | 2017-02-08 | 2018-05-11 | 中国人民解放军第二军医大学第二附属医院 | A kind of sustainer exhaust apparatus |
-
2018
- 2018-09-20 CN CN201811102792.8A patent/CN109394312B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2513525Y (en) * | 2001-12-31 | 2002-10-02 | 曾庆诗 | Perfusion exsufflating needle for aorta |
| US20050027253A1 (en) * | 2003-07-29 | 2005-02-03 | Thomas Castellano | Sheath with air trap |
| CN202270208U (en) * | 2011-10-25 | 2012-06-13 | 中国人民解放军第四军医大学 | Aorta bottom air discharging needle with foldable protection wing |
| CN205235048U (en) * | 2015-12-08 | 2016-05-18 | 刘宇 | Heart exhaust auxiliary device |
| CN207341955U (en) * | 2017-02-08 | 2018-05-11 | 中国人民解放军第二军医大学第二附属医院 | A kind of sustainer exhaust apparatus |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109394312B (en) | 2020-06-23 |
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Granted publication date: 20200623 Termination date: 20210920 |