CN107174315A - Peritoneo-puncture needle fixing device - Google Patents
Peritoneo-puncture needle fixing device Download PDFInfo
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- CN107174315A CN107174315A CN201710309912.0A CN201710309912A CN107174315A CN 107174315 A CN107174315 A CN 107174315A CN 201710309912 A CN201710309912 A CN 201710309912A CN 107174315 A CN107174315 A CN 107174315A
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- fixture block
- blow vent
- neck
- button
- fixed cover
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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
- A61B17/3403—Needle locating or guiding means
-
- 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
- A61B17/3403—Needle locating or guiding means
- A61B2017/3405—Needle locating or guiding means using mechanical guide means
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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)
- Surgical Instruments (AREA)
Abstract
The invention discloses a kind of peritoneo-puncture needle fixing device, including air bag and fixed cover, the centre of air bag is provided with opening, when the bladder inflates, opening is reduced, and puncture needle is fixed on air bag, air drain is offered on fixed cover, air bag is arranged on the side of fixed cover dorsad air drain, after fixed cover is placed on human body skin, human body skin closing air drain constitutes closed air cavity between fixed cover and human body skin, it is provided with fixed cover on the second blow vent, air bag and is provided with the first blow vent.During operation, fixed cover is placed on human body skin, and air cavity is constituted with human body skin, is then evacuated from the second blow vent, makes to form low pressure in air cavity, fixed cover is fixed on human body skin.And inflated in backward air bag, reduce opening, puncture needle be clipped in opening, so that puncture needle be fixed in operation, operator just can individually operated puncture needle the step of extract seroperitoneum, be operated without two people.
Description
Technical field
The present invention relates to a kind of medical appliance, more particularly to a kind of peritoneo-puncture needle fixing device.
Background technology
Abdominocentesis is directly to be pierced into cavum peritoneale from abdomen antetheca to remove one of intraperitoneal hydrops by puncture needle
Clinics.
When carrying out abdominocentesis, it is necessary to which two operators, peritoneo-puncture needle are penetrated behind abdominal cavity, it is necessary to which a people will with grips pincers
Peritoneo-puncture needle is fixed, and draw-out device is then connected on peritoneo-puncture needle by another operating personnel again, extracts seroperitoneum.China cures
Business personnel are in short supply, operating personnel during abdominocentesis how reduced, as urgent problem to be solved.
The content of the invention
In view of the deficienciess of the prior art, it is an object of the invention to provide a kind of peritoneo-puncture needle fixing device, carrying out
During abdominocentesis, fixed peritoneo-puncture needle.
To achieve the above object, the invention provides following technical scheme：A kind of peritoneo-puncture needle fixing device, its feature exists
In：Fixed cover including ring-shaped gasbag and for being fixed to air bag on human body, the centre of air bag is provided with to be passed through for puncture needle
Opening, when the bladder inflates, opening reduces, and the wall of air bag is clamped puncture needle, puncture needle is fixed on air bag, fixed
Put and offer air drain, air bag is arranged on the side of fixed cover dorsad air drain, after fixed cover is placed on human body skin, human body
Skin closure air drain, constitutes between fixed cover and human body skin and is provided with closed air cavity, fixed cover for discharging gas
The first blow vent for insufflation gas is provided with second blow vent, air bag.
As a further improvement on the present invention, in addition to electric pump and two conduits, it is provided with source of inflation gas in electric pump and takes out
Gas source of the gas a, conduit connects the first blow vent and source of inflation gas, and another conduit connects the second blow vent and pumping source of the gas, the
One blow vent and the second blow vent are cylindrical, and the side wall of the first blow vent and the second blow vent offers the first neck and
The connection component for connecting the first blow vent or the second blow vent is provided with two draw-in groove, conduit, connection component includes connection
Offered on shell, the first fixture block and the second fixture block, connection shell for connecting tube and the first blow vent or connecting tube and second
Installing space is provided with the passage of blow vent, connection shell, channel partition into prepass and rear passage, is installed empty by installing space
Interior be provided with guide groove, the first fixture block and the second fixture block is provided with guide rail, guide rail insertion guide groove, blocks the first fixture block and second
Block can slide along guide groove, with after the first blow vent or the second blow vent are stretched into passage, make the first fixture block be embedded in the first neck,
Second fixture block be embedded in the second neck, or the first fixture block is exited out of first neck, the second fixture block is exited out of second neck,
To block or discharge the first blow vent and the second blow vent.
As a further improvement on the present invention, connection component also includes the first button, the second button, head rod and the
The slide opening through connection shell side wall is offered on two connecting rods, connection shell, slide opening connects with installing space and is mounted space point
Part I and Part II are cut into, the sliding of the first button is arranged in Part I, and the sliding of the second button is arranged on second
In point, it is hinged in the middle part of head rod and the second connecting rod on the side wall of installing space, one end of head rod and the
One button is hinged, and the other end is hinged with the first fixture block, so that the first button and the first fixture block link, when the first button is at first
When being slid in point, the first fixture block is driven to be caught in the first neck or exit the first neck, one end of the second connecting rod and the second button
It is hinged, the other end is hinged with the second fixture block, so that the second button and the second fixture block link, when the second button is slided in Part II
During shifting, the second fixture block is driven to be caught in the second neck or exit the second neck.
As a further improvement on the present invention, connection component also includes spring, and the first button stretches into one end of installing space
The first sleeve is provided with, one end that the second button stretches into installing space is provided with second sleeve, the first sleeve and second sleeve phase
It is mutually nested, form accommodating chamber, spring is arranged in accommodating chamber, one end of spring props up the first button, the other end prop up second by
Button, to promote the first button and the second button dorsad to move, so that the first fixture block is caught in the first neck, the second fixture block and is caught in
Two draw-in groove.
As a further improvement on the present invention, fixed cover is dorsad provided with by flexible material system on the edge of one end of air bag
Into contact edge, contact is along reaching outside fixed cover, with fixed cover formation sucker structure.
As a further improvement on the present invention, set between the first fixture block and the first neck and the second fixture block and the second neck
Putting is having the inclined-plane tightening structure for being brought into close contact the end face of connection shell and the surface of air bag, and inclined-plane tightening structure includes setting
Put the first neck and the first inclined-plane on the second neck cell wall and be arranged on the first fixture block with it is second oblique on the second fixture block
Face, when the first fixture block is moved toward the first neck and/or the second fixture block is moved toward the second neck, the first inclined-plane and the second inclined-plane phase
Mutually laminating sliding, balloon surface is mutually adjacent to even housing surface.
As a further improvement on the present invention, the piston core pin of the diameter and syringe of the first blow vent and the second blow vent
It is adapted, the first check valve is provided with the first blow vent, the first check valve makes the first blow vent to be inflated into air bag, second
The second check valve is provided with blow vent, the second check valve makes the second blow vent can be toward pumping outside air cavity.
Beneficial effects of the present invention, during operation, operator is first by needle pierces human abdominal cavity, then by peritoneo-puncture needle from admittedly
Passed through in the middle of fixed set and in opening, then fixed cover is placed on human body skin by operator, air cavity is constituted with human body skin, and
The second blow vent is connected with extraction sector afterwards, extraction sector is evacuated from the second blow vent, make to form low pressure in air cavity, by fixation
Set is fixed on human body skin,.Then, operator is inflated by the first blow vent into air bag, reduces opening, so as to will wear
Pricker is clipped in opening, so that puncture needle be fixed in operation, is completed after fixed puncture needle, operator just can individually grasp
Make the step of puncture needle extracts seroperitoneum, be operated without two people.
Brief description of the drawings
Fig. 1 is the structure chart of the first embodiment of the present invention；
Fig. 2 is the cut away view of the first embodiment of the present invention；
Fig. 3 is the partial enlarged drawing of Fig. 2 marks；
Fig. 4 is the partial enlarged drawing of Fig. 3 marks；
Fig. 5 is the structure chart of second embodiment of the invention.
Embodiment
The present invention is described in further detail below in conjunction with the embodiment given by accompanying drawing.
Referring to figs. 1 to shown in Fig. 5, a kind of peritoneo-puncture needle fixing device of the present embodiment, it is characterised in that：Including ring-shaped gasbag
1 and the fixed cover 2 for being fixed to air bag 1 on human body, the centre of air bag 1 is provided with the opening 3 passed through for puncture needle, works as gas
When capsule 1 is inflated, opening 3 reduces, and the wall of air bag 1 is clamped puncture needle, puncture needle is fixed on air bag 1, opened on fixed cover 2
Provided with air drain 4, air bag 1 is arranged on the side of the dorsad air drain 4 of fixed cover 2, after fixed cover 2 is placed on human body skin, human body
Skin closure air drain 4, constitutes between fixed cover 2 and human body skin and is provided with closed air cavity, fixed cover 2 for discharging gas
The second blow vent q2, the first blow vent q1 for insufflation gas is provided with air bag 1.
When carrying out abdominocentesis, operator is first by needle pierces human abdominal cavity, then by peritoneo-puncture needle in the middle of fixed cover 2
Passed through with opening 3, then fixed cover 2 is placed on human body skin by operator, air cavity is constituted with human body skin, then by the
Two blow vent q2 are connected with extraction sector, and extraction sector is evacuated from the second blow vent q2, make to form low pressure in air cavity, by fixed cover
2 are fixed on human body skin,.Then, operator is inflated by the first blow vent q1 into air bag 1, reduces opening 3, so that
Puncture needle is clipped in opening 3, so that puncture needle be fixed in operation, completed after fixed puncture needle, operator is with regard to energy
The step of individually operated puncture needle extracts seroperitoneum, is operated without two people.
As a kind of improved embodiment, in addition to electric pump 7 and two conduits 6, inflating air is provided with electric pump 7
Source and pumping source of the gas, a conduit 6 connect the first blow vent q1 and source of inflation gas, and another conduit 6 connects the second blow vent q2
With pumping source of the gas, the first blow vent q1 and the second blow vent q2 be cylindrical, the first blow vent q1 and the second blow vent q2 side
Wall offers on the first neck 51 and the second neck 52, conduit 6 and is provided with for connecting the ventilations of the first blow vent q1 or second
Mouth q2 connection component 8, connection component 8 includes offering on connection shell 81, the first fixture block 85 and the second fixture block 86, connection shell 81
For the blow vent q1 of the connecting tube 6 and first or blow vent q2 of connecting tube 6 and second passage t1, it is provided with connection shell 81
Passage t1 is separated into prepass and rear passage, installing space and is provided with guide groove t2, the first fixture block by installing space, installing space
85 and second are provided with guide rail t3, guide rail t3 insertion guide groove t2 on fixture block 86, make the first fixture block 85 and the second fixture block 86 can be along leading
Groove t2 slides, and is blocked with after the first blow vent q1 or the second blow vent q2 are stretched into passage t1, making the first fixture block 85 be embedded in first
Groove 51, the second fixture block 86 be embedded in the second neck 52, or the first fixture block 85 is exited out of first neck 51, the second fixture block 86 from
Exited in second neck 52, to block or discharge the first blow vent q1 and the second blow vent q2.
Connection component 8 also includes the first button 83, the second button 84, the connecting rod 88 of head rod 87 and second, connection
The slide opening through the connection side wall of shell 81 is offered on shell 81, slide opening, which connects with installing space and is mounted space, is divided into first
Divide h1 and Part II h2, the sliding of the first button 83 is arranged in Part I h1, and the sliding of the second button 84 is arranged on second
Divide in h2, the middle part of the connecting rod 88 of head rod 87 and second is hinged on the side wall of installing space, head rod 87
One end is hinged with the first button 83, and the other end is hinged with the first fixture block 85, so that the first button 83 links with the first fixture block 85, when
When first button 83 slides in Part I h1, the first fixture block 85 is driven to be caught in the first neck 51 or exit the first neck 51,
One end of second connecting rod 88 is hinged with the second button 84, and the other end is hinged with the second fixture block 86, so that the second button 84 and
Two fixture blocks 86 link, when the second button 84 slides in Part II h2, drive the second fixture block 86 be caught in the second neck 52 or
Exit the second neck 52.
The inflation/deflation of air bag 1 and fixed cover 2 is controlled by electric pump 7.Air bag 1 and fixed cover 2 due to and human contact, make
Need to be cleaned after the completion of, and electric pump 7 and conduit 6 can be used continuously, air bag 1 and fixed cover 2 and conduit 6 is detachable
Connection, can pull down cleaning by air bag 1 and fixed cover 2 after surgery, and electric pump 7 and conduit 6 are continuing with, the electric pump needed for reducing
7 and conduit 6, reduce the cost using equipment.Operator presses the first button 83 and drives first to connect when pulling down air bag 1
Bar 87 is rotated, so as to drive the first fixture block 85, dorsad the first neck is moved, and releases first 85 couple of first blow vent q1 of fixture block lock
It is fixed, press the second button 84 and drive the second connecting rod 88 to rotate, dorsad the second neck is moved so as to drive the second fixture block 86, is released
Second 86 couple of first blow vent q1 of fixture block locking, then takes out the first blow vent q1 out of passage t1, by conduit 6 and air bag
1 separation.Electric pump 7 in the present embodiment is public in patent text (the notification number 103967821A of application number 201410152369.4)
Open, can effectively realize the function with source of inflation gas and pumping source of the gas in it, belong to prior art.
As a kind of improved embodiment, connection component 8 also includes spring 82, and it is empty that the first button 83 stretches into installation
Between one end be provided with the first sleeve r1, one end that the second button 84 stretches into installing space is provided with second sleeve r2, first set
Cylinder r1 is mutually nested with second sleeve r2, forms accommodating chamber, and spring 82 is arranged in accommodating chamber, and one end of spring 82 props up first
Button 83, the other end props up the second button 84, to promote the first button 83 and the second button 84 dorsad to move, so that the first card
Block 85 is caught in the first neck 51, the second fixture block 86 and is caught in the second neck 52.
After in the first blow vent q1 or the second blow vent q2 insertion passages t1, spring 82 promotes the first fixture block 85 to be caught in
While first neck, promote the second fixture block 86 to be caught in the second neck, the first blow vent q1 or the second blow vent q2 are fixed on
Connect in shell 81, so that air bag 1 mutually be fixed with conduit 6 or fixed cover 2 with conduit 6.First sleeve r1 and second sleeve r2 phases
It is mutually nested, when the first button 83 and the second button 84 are pressed, the first button 83 of guiding and the second button 84 along first
Sleeve r1 and second sleeve r2 axial direction movement, prevent the first button 83 and the second button 84 from being put during being pressed
Raw skew.The mode that second sleeve r2 is set on first sleeve r1, the second button 84 with being set on the first button 83 is realized solid
Determine the effect of spring 82 and the first button 83 of guiding and the moving direction of the second button 84, the first sleeve r1 and the first button 83 can one
Body formed, second sleeve r2 and the second button 84 can be integrally formed, easily manufactured.
As a kind of improved embodiment, fixed cover 2 is dorsad provided with by flexibility on the edge of one end of air bag 1
The contact that material is made is along 9, and contact is reached outside fixed cover 2 along 9, the sucker formed with fixed cover 2 in sucker structure, the present invention
In a ring, center is provided with an openning passed through for puncture needle to structure.
By contacting the setting along 9, the contact area of increase fixed cover 2 and human body makes fixed cover 2 is stronger to be fixed on
On human body skin, contact is fabricated from a flexible material along 9, after the gas in fixed cover 2 is extracted, and contact can be complete with skin along 9
Full laminating, makes the sealing property of fixed cover 2 more preferably, thus prevent because sealing property is bad and gas leakage, cause puncture needle slide
Situation occurs.And flexible material such as silica gel etc., skin will not be injured after being close to skin.
As a kind of improved embodiment, the first fixture block 85 and the first neck 51 and the second fixture block 86 and second
The inclined-plane tightening structure for being brought into close contact the surface of the end face of connection shell 81 and air bag 1 is arranged between neck 52, tiltedly
Face tightening structure includes the first inclined-plane x1 being arranged on the first neck 51 and the cell wall of the second neck 52 and is arranged on the first card
The second inclined-plane x2 on the fixture block 86 of block 85 and second, when the first fixture block 85 is moved and/or the second fixture block 86 is past toward the first neck 51
When second neck 52 is moved, the first inclined-plane x1 and the second inclined-plane x2 slidings bonded to each other, by the surface of air bag 1 with being connected the table of shell 81
Face is mutually adjacent to.
After in the first blow vent q1 or the second blow vent q2 insertion passages t1, spring 82 promotes the first fixture block 85 to be caught in
While first neck, the second fixture block 86 is promoted to be caught in the second neck, after the first fixture block 85 and the second fixture block 86 are snapped into, bullet
Spring 82 promotes the second inclined-plane x2 to be slid along the first inclined-plane x1, so that surface of the surface of air bag 1 or fixed cover 2 with being connected shell 81
It is adjacent to, and mutually extrudes, so as to reduce connection shell 81 and air bag 1 or the gap on the surface of fixed cover 2, connection shell 81 is reduced or avoided
With the junction of air bag 1 and being connected shell 81 and the gas of the junction of fixed cover 2 is leaked, it is to avoid the energy caused by gas is leaked
Waste, realize energy-saving effect.
As a kind of improved embodiment, the first blow vent q1 and the second blow vent q2 diameter and syringe
Piston core pin is adapted, and the first check valve is provided with the first blow vent q1, and the first check valve makes the first blow vent q1 to air bag 1
The second check valve is provided with interior inflation, the second blow vent q2, the second check valve makes the second blow vent q2 toward pumping outside air cavity.
In operation, it the piston core pin of syringe can be used to be inflated into air bag 1, air bag 1 is clamped puncture needle；And will
Gas is extracted out out of air cavity, so that fixed cover 2 is fixed on human body skin.The piston core pin of syringe is easily obtained within the hospital
, and price is low, and inflation is taken out using piston core pin, it is easy to operate, and cost is low.
The air pressure of air bag 1 is kept by the first check valve, after being inflated into air bag 1, gas can be made without continuing inflation
Capsule 1 keeps pressure, so as to persistently fix puncture needle, it is to avoid the wasted energy of lasting inflation, saves the energy.It is unidirectional by second
Valve makes air cavity keep pressure, so as to be fixed on fixed cover 2 is lasting on human body skin, can protect air cavity without lasting pumping
Low pressure is held, the energy is saved.
It the above is only the preferred embodiment of the present invention, protection scope of the present invention is not limited merely to above-described embodiment,
All technical schemes belonged under thinking of the present invention belong to protection scope of the present invention.It should be pointed out that for the art
For those of ordinary skill, some improvements and modifications without departing from the principles of the present invention, these improvements and modifications also should
It is considered as protection scope of the present invention.
Claims (7)
1. a kind of peritoneo-puncture needle fixing device, it is characterised in that：Including ring-shaped gasbag (1) and for air bag (1) to be fixed into human body
On fixed cover (2), the centre of the air bag (1) is provided with the opening (3) passed through for puncture needle, when air bag (1) is inflated, opened
Mouth (3) reduces, and the wall of air bag (1) is clamped puncture needle, puncture needle is fixed on air bag (1), opened on the fixed cover (2)
Provided with air drain (4), the air bag (1) is arranged on the side of fixed cover (2) dorsad air drain (4), when fixed cover (2) is placed into human body
After on skin, human body skin closing air drain (4) constitutes closed air cavity, the fixed cover in fixed cover (2) between human body skin
(2) be provided be provided with the second blow vent (q2) for discharging gas, the air bag (1) for insufflation gas first
Blow vent (q1).
2. a kind of peritoneo-puncture needle fixing device according to claim 1, it is characterised in that：Also include electric pump (7) and two are led
Manage (6), source of inflation gas and pumping source of the gas are provided with the electric pump (7), a conduit (6) connects the first blow vent (q1)
And source of inflation gas, another conduit (6) connects the second blow vent (q2) and is evacuated source of the gas, first blow vent (q1) and
Second blow vent (q2) is cylindrical, and the side wall of first blow vent (q1) and the second blow vent (q2) offers the first card
(6) are provided with for connecting the first blow vent (q1) or the second blow vent on groove (51) and the second neck (52), the conduit
(q2) connection component (8), the connection component (8) includes connection shell (81), the first fixture block (85) and the second fixture block (86), institute
State and offered on connection shell (81) for connecting tube (6) and the first blow vent (q1) or connecting tube (6) and the second blow vent
(q2) installing space is provided with passage (t1), the connection shell (81), before passage (t1) is separated into by the installing space
It is provided with guide groove (t2), first fixture block (85) and the second fixture block (86) and sets in passage and rear passage, the installing space
Guide rail (t3) is equipped with, the embedded guide groove (t2) of the guide rail (t3) makes the first fixture block (85) and the second fixture block (86) can be along guide groove
(t2) slide, after the first blow vent (q1) or the second blow vent (q2) are stretched into passage (t1), to make the first fixture block (85) embedding
Enter embedded second neck (52) of the first neck (51), the second fixture block (86), or make the first fixture block (85) from the first neck (51)
Inside exit, the second fixture block (86) is exited out of the second neck (52), to block or discharge the first blow vent (q1) and the second ventilation
Mouth (q2).
3. a kind of peritoneo-puncture needle fixing device according to claim 2, it is characterised in that：The connection component (8) also includes
Opened up on first button (83), the second button (84), head rod (87) and the second connecting rod (88), the connection shell (81)
There is the slide opening through connection shell (81) side wall, the slide opening, which connects with installing space and is mounted space, is divided into Part I
(h1) and Part II (h2), the first button (83) sliding is arranged in Part I (h1), second button (84)
Sliding is arranged in Part II (h2), installation is hinged in the middle part of the head rod (87) and the second connecting rod (88) empty
Between side wall on, one end and the first button (83) of the head rod (87) are hinged, and the other end and the first fixture block (85) are cut with scissors
Connect, so that the first button (83) links with the first fixture block (85), when the first button (83) slides in Part I (h1), band
Dynamic first fixture block (85) is caught in the first neck (51) or exits the first neck (51), one end of second connecting rod (88) and the
Two buttons (84) are hinged, and the other end is hinged with the second fixture block (86), so that the second button (84) links with the second fixture block (86), when
When second button (84) is slid in the Part II (h2), drive the second fixture block (86) to be caught in the second neck (52) or exit second
Neck (52).
4. a kind of peritoneo-puncture needle fixing device according to claim 3, it is characterised in that：The connection component (8) also includes
Spring (82), one end that first button (83) stretches into installing space is provided with the first sleeve (r1), second button
(84) one end for stretching into installing space is provided with second sleeve (r2), and first sleeve (r1) is mutually embedding with second sleeve (r2)
Set, forms accommodating chamber, and the spring (82) is arranged in accommodating chamber, and one end of the spring (82) props up the first button (83),
The other end props up the second button (84), to promote the first button (83) and the second button (84) dorsad to move, so that the first card
Block (85) is caught in the first neck (51), the second fixture block (86) and is caught in the second neck (52).
5. a kind of peritoneo-puncture needle fixing device according to claim 4, it is characterised in that：The fixed cover (2) dorsad air bag
(1) contact being fabricated from a flexible material is provided with the edge of one end along (9), the contact reaches fixed cover (2) along (9)
Outside, with fixed cover (2) formation sucker structure.
6. a kind of peritoneo-puncture needle fixing device according to claim 5, it is characterised in that：First fixture block (85) and first
It is arranged between neck (51) and the second fixture block (86) and the second neck (52) for making the end face and gas that are connected shell (81)
The inclined-plane tightening structure that the surface of capsule (1) is brought into close contact, the inclined-plane tightening structure includes being arranged on the first neck (51) and the
The first inclined-plane (x1) on two draw-in groove (52) cell wall and be arranged on the first fixture block (85) with it is second oblique on the second fixture block (86)
Face (x2), when past first neck (51) movement of the first fixture block (85) and/or the second fixture block (86) mobile toward the second neck (52),
First inclined-plane (x1) and the second inclined-plane (x2) sliding bonded to each other, air bag (1) surface is mutually pasted with being connected shell (81) surface
Tightly.
7. a kind of peritoneo-puncture needle fixing device according to claim 1, it is characterised in that：First blow vent (q1) and
The diameter of two blow vents (q2) is adapted with the piston core pin of syringe, and it is unidirectional to be provided with first in first blow vent (q1)
Valve, first check valve makes the first blow vent (q1) be inflated in air bag (1), and the is provided with second blow vent (q2)
Two check valves, second check valve makes the second blow vent (q2) toward pumping outside air cavity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710309912.0A CN107174315B (en) | 2017-05-04 | 2017-05-04 | Peritoneo-puncture needle fixes device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710309912.0A CN107174315B (en) | 2017-05-04 | 2017-05-04 | Peritoneo-puncture needle fixes device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107174315A true CN107174315A (en) | 2017-09-19 |
| CN107174315B CN107174315B (en) | 2019-10-11 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201710309912.0A Active CN107174315B (en) | 2017-05-04 | 2017-05-04 | Peritoneo-puncture needle fixes device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108338826A (en) * | 2018-04-26 | 2018-07-31 | 吴玉丽 | The special lumbar puncture needle of newborn |
| CN108543199A (en) * | 2018-06-05 | 2018-09-18 | 温州医科大学附属第医院 | A kind of conduit for treating paralytic ileus |
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| CN108543199A (en) * | 2018-06-05 | 2018-09-18 | 温州医科大学附属第医院 | A kind of conduit for treating paralytic ileus |
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| CN107174315B (en) | 2019-10-11 |
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