CN107174315B - Peritoneo-puncture needle fixes device - Google Patents
Peritoneo-puncture needle fixes device Download PDFInfo
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- CN107174315B CN107174315B CN201710309912.0A CN201710309912A CN107174315B CN 107174315 B CN107174315 B CN 107174315B CN 201710309912 A CN201710309912 A CN 201710309912A CN 107174315 B CN107174315 B CN 107174315B
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- fixture block
- blow vent
- card slot
- button
- fixing sleeve
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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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- Surgery (AREA)
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- Biomedical Technology (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Engineering & Computer Science (AREA)
- Pathology (AREA)
- Heart & Thoracic Surgery (AREA)
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- 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 fixed devices of peritoneo-puncture needle, including air bag and fixing sleeve, the centre of air bag to be provided with opening, when the bladder inflates, opening reduces, and puncture needle is fixed on air bag, air drain is offered on fixing sleeve, side of the fixing sleeve backwards to air drain is arranged in air bag, after fixing sleeve is placed on human skin, human skin closes air drain, and closed air cavity is constituted between fixing sleeve and human skin, it is provided with the second blow vent on fixing sleeve, the first blow vent is provided on air bag.When operation, fixing sleeve is placed on human skin, is constituted air cavity with human skin, is then evacuated from the second blow vent, makes to form low pressure in air cavity, fixing sleeve is fixed on human skin.And inflation in backward air bag, reduce opening, puncture needle be clipped in opening, so that puncture needle be fixed during surgery, operator can individually operated puncture needle extraction seroperitoneum the step of, be operated without two people.
Description
Technical field
The present invention relates to a kind of medical appliance, more particularly to a kind of fixed device of peritoneo-puncture needle.
Background technique
Abdominocentesis is directly to be pierced into cavum peritoneale from abdomen antetheca by puncture needle to remove one of intraperitoneal hydrops
Clinics.
When carrying out abdominocentesis, two operators are needed, after peritoneo-puncture needle is penetrated abdominal cavity, need a people will with grips pincers
Peritoneo-puncture needle is fixed, and draw-out device is then connected on peritoneo-puncture needle by another operator again, extracts seroperitoneum.China doctor
Business personnel are in short supply, how to reduce operator when abdominocentesis, become urgent problem to be solved.
Summary of the invention
In view of the deficiencies of the prior art, the present invention intends to provide a kind of fixed device of peritoneo-puncture needle, carrying out
When abdominocentesis, fixed peritoneo-puncture needle.
To achieve the above object, the present invention provides the following technical scheme that a kind of peritoneo-puncture needle fixes device, feature exists
In: the fixing sleeve 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 so that the wall of air bag is clamped puncture needle, puncture needle is fixed on air bag, fixed
It putting on and offers air drain, side of the fixing sleeve backwards to air drain is arranged in air bag, after fixing sleeve is placed on human skin, human body
Skin closure air drain constitutes closed air cavity between fixing sleeve and human skin, is provided on fixing sleeve for gas to be discharged
Second blow vent is provided with the first blow vent for being filled with gas on air bag.
As a further improvement of the present invention, further include electric pump and two conduits, be provided with source of inflation gas and pumping in electric pump
Gas gas source, a conduit connect the first blow vent and source of inflation gas, and another conduit is connected to the second blow vent and pumping gas source, 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 card slot and
Two draw-in groove, the connection component for connecting the first blow vent or the second blow vent is provided on conduit, and connection component includes connection
Shell, the first fixture block and the second fixture block are connected and are offered on shell for connecting tube and the first blow vent or connecting tube and second
The channel of blow vent connects and is provided with installation space in shell, and for installation space by channel partition at prepass and rear channel, installation is empty
It is interior to be provided with guide groove, guide rail is provided on the first fixture block and the second fixture block, guide rail is embedded in 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 protrude into channel, make the first fixture block be embedded in the first card slot,
Second fixture block be embedded in the second card slot, or exit the first fixture block out of first card slot, the second fixture block is exited out of second card slot,
To block or discharge the first blow vent and the second blow vent.
As a further improvement of the present invention, connection component further includes the first button, the second button, first connecting rod and
Two connecting rods, connect the slide opening offered on shell through connection shell side wall, and slide opening is connected to installation space and is mounted space point
It is cut into first part and second part, the sliding of the first button is arranged in first part, and the sliding of the second button is arranged at second
It in point, is hinged on the side wall of installation space in the middle part of first connecting rod and the second connecting rod, one end of first connecting rod and the
One button is hinged, and the other end and the first fixture block are hinged, so that the first button and the first fixture block link, when the first button is at first
In point when sliding, the first fixture block is driven to be caught in the first card slot or exit the first card slot, one end of the second connecting rod and the second button
Hingedly, the other end and the second fixture block are hinged, so that the second button and the second fixture block link, when the second button is sliding in second part
When shifting, the second fixture block is driven to be caught in the second card slot or exit the second card slot.
As a further improvement of the present invention, connection component further includes spring, and the first button protrudes into one end of installation space
It is provided with first sleeve, one end that the second button protrudes into installation space is provided with second sleeve, first sleeve and second sleeve phase
It is mutually nested, form accommodating chamber, spring is arranged in accommodating chamber, and one end of spring resists the first button, the other end resist second by
Button, to push the first button and the second button backwards to mobile, to make the first fixture block be caught in the first card slot, the second fixture block is caught in the
Two draw-in groove.
As a further improvement of the present invention, fixing sleeve is provided on the edge of one end of air bag by flexible material system
At contact edge, contact forms sucker structure along reaching outside fixing sleeve, with fixing sleeve.
As a further improvement of the present invention, it is set between the first fixture block and the first card slot and the second fixture block and the second card slot
Setting is having the inclined-plane tightening structure for fitting closely the surface of the end face for connecting shell and air bag, and inclined-plane tightening structure includes setting
Second for setting the first inclined-plane on the first card slot and the second card slot cell wall and being arranged on the first fixture block and the second fixture block is oblique
Face, when the first fixture block is moved toward the movement of the first card slot and/or the second fixture block toward the second card slot, the first inclined-plane and the second inclined-plane phase
Balloon surface and even housing surface are mutually adjacent to by mutually fitting sliding.
As a further improvement of the present invention, the piston core pin of the diameter and syringe of the first blow vent and the second blow vent
It being adapted, the first check valve is provided in the first blow vent, the first check valve inflate the first blow vent can into air bag, and second
Second one-way valve is provided in blow vent, second one-way valve makes the second blow vent can be toward pumping outside air cavity.
Beneficial effects of the present invention, when operation, operator will first puncture needle-penetration human abdominal cavity, then by peritoneo-puncture needle from solid
It is passed through among fixed set and in opening, then fixing sleeve is placed on human skin by operator, air cavity is constituted with human skin, and
The second blow vent is connected to extraction sector afterwards, extraction sector is evacuated from the second blow vent, is made to form low pressure in air cavity, will be fixed
Set is fixed on human skin,.Then, operator is inflated by the first blow vent into air bag, reduces opening, to will wear
Pricker is clipped in opening, so that puncture needle be fixed during surgery, after completing fixed puncture needle, operator can individually be grasped
Make the step of puncture needle extracts seroperitoneum, is operated without two people.
Detailed description of the invention
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 view of Fig. 2 mark；
Fig. 4 is the partial enlarged view of Fig. 3 mark；
Fig. 5 is the structure chart of second embodiment of the invention.
Specific embodiment
The present invention is described in further detail below in conjunction with embodiment given by attached drawing.
Referring to figs. 1 to shown in Fig. 5, a kind of peritoneo-puncture needle of the present embodiment fixes device, it is characterised in that: including ring-shaped gasbag
1 and for by air bag 1 be fixed to human body on fixing sleeve 2, 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 so that the wall of air bag 1 is clamped puncture needle, puncture needle is fixed on air bag 1, open on fixing sleeve 2
Equipped with air drain 4, side of the fixing sleeve 2 backwards to air drain 4, after fixing sleeve 2 is placed on human skin, human body is arranged in air bag 1
Skin closure air drain 4 constitutes closed air cavity between fixing sleeve 2 and human skin, is provided on fixing sleeve 2 for gas to be discharged
The second blow vent q2, the first blow vent q1 for being filled with gas is provided on air bag 1.
When carrying out abdominocentesis, operator will first puncture needle-penetration human abdominal cavity, then by peritoneo-puncture needle among fixing sleeve 2
It is passed through in opening 3, then fixing sleeve 2 is placed on human skin by operator, air cavity is constituted with human skin, then by the
Two blow vent q2 are connected to extraction sector, and extraction sector is evacuated from the second blow vent q2, make to form low pressure in air cavity, by fixing sleeve
2 are fixed on human skin,.Then, operator is inflated by the first blow vent q1 into air bag 1, reduces opening 3, thus
Puncture needle is clipped in opening 3, so that puncture needle is fixed during surgery, after completing fixed puncture needle, operator's energy
Individually operated puncture needle extracts the step of seroperitoneum, is operated without two people.
As a kind of improved specific embodiment, further includes electric pump 7 and two conduits 6, be provided with inflating air in electric pump 7
Source and pumping gas source, a conduit 6 connect the first blow vent q1 and source of inflation gas, and another conduit 6 is connected to the second blow vent q2
With pumping gas source, the first blow vent q1 and the second blow vent q2 are cylindrical, the side of the first blow vent q1 and the second blow vent q2
Wall offers the first card slot 51 and the second card slot 52, and 6 are provided with for connecting the ventilation of the first blow vent q1 or second on conduit
The connection component 8 of mouth q2, connection component 8 include connection shell 81, the first fixture block 85 and the second fixture block 86, connect and offer on shell 81
For the channel t1 of connecting tube 6 and the first blow vent q1 or connecting tube 6 and the second blow vent q2, connects and be provided in shell 81
Channel t1 is separated into prepass and rear channel by installation space, installation space, and guide groove t2, the first fixture block are provided in installation space
85 and second are provided with guide rail t3 on fixture block 86, and guide rail t3 is embedded in guide groove t2, make the first fixture block 85 and the second fixture block 86 can be along leading
Slot t2 sliding, after the first blow vent q1 or the second blow vent q2 are protruded into the t1 of channel, to make the first card of the first fixture block 85 insertion
Slot 51, the second fixture block 86 be embedded in the second card slot 52, or exit the first fixture block 85 out of first card slot 51, the second fixture block 86 from
It is exited in second card slot 52, to block or discharge the first blow vent q1 and the second blow vent q2.
Connection component 8 further includes the first button 83, the second button 84, first connecting rod 87 and the second connecting rod 88, connection
The slide opening through connection 81 side wall of shell is offered on shell 81, slide opening, which is connected to installation space and is mounted space, is divided into first
Divide h1 and second part h2, the sliding of the first button 83 is arranged in first part h1, and the sliding of the second button 84 is arranged at second
Divide in h2, the middle part of first connecting rod 87 and the second connecting rod 88 is hinged on the side wall of installation space, first connecting rod 87
One end and the first button 83 are hinged, and the other end and the first fixture block 85 are hinged, so that the first button 83 and the first fixture block 85 link, when
When first button 83 slides in first part h1, the first fixture block 85 is driven to be caught in the first card slot 51 or exit the first card slot 51,
One end of second connecting rod 88 is hinged with the second button 84, the other end with the second fixture block 86 hingedly so that the second button 84 and the
Two fixture blocks 86 linkage, when the second button 84 slides in second part h2, drive the second fixture block 86 be caught in the second card slot 52 or
Exit the second card slot 52.
The inflation/deflation of air bag 1 and fixing sleeve 2 is controlled by electric pump 7.Air bag 1 and fixing sleeve 2 due to and human contact, make
With being cleaned after the completion, and electric pump 7 and conduit 6 can be used continuously, and air bag 1 and fixing sleeve 2 and conduit 6 is detachable
Connection, can remove cleaning for air bag 1 and fixing sleeve 2 after surgery, and electric pump 7 and conduit 6 continue to use, and reduce required electric pump
7 and conduit 6, reduce the cost using equipment.Operator presses the first button 83 and drives the first connection when removing air bag 1
Bar 87 rotates, so that the first fixture block 85 be driven to move backwards to the first card slot, releases the first fixture block 85 to the lock of the first blow vent q1
It is fixed, it presses the second button 84 and drives the rotation of the second connecting rod 88, so that the second fixture block 86 be driven to move backwards to the second card slot, release
Locking of second fixture block 86 to the first blow vent q1, then takes out the first blow vent q1 out of channel t1, by conduit 6 and air bag
1 separation.Electric pump 7 in the present embodiment is public in patent text (201410152369.4 notification number 103967821A of application number)
It opens, can effectively realize has the function of source of inflation gas and pumping gas source in it, belong to the prior art.
As a kind of improved specific embodiment, connection component 8 further includes spring 82, and it is empty that the first button 83 protrudes into installation
Between one end be provided with first sleeve r1, one end that the second button 84 protrudes into installation 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 resists first
Button 83, the other end resist the second button 84, to push the first button 83 and the second button 84 backwards to movement, to make the first card
Block 85 is caught in the first card slot 51, the second fixture block 86 is caught in the second card slot 52.
After in the first blow vent q1 or the second blow vent q2 insertion channel t1, spring 82 pushes the first fixture block 85 to be caught in
While first card slot, pushes the second fixture block 86 to be caught in the second card slot, the first blow vent q1 or the second blow vent q2 are fixed on
It connects in shell 81, so that air bag 1 be fixed with conduit 6 or fixing sleeve 2 with 6 phase of conduit.First sleeve r1 and second sleeve r2 phase
It is mutually nested, when pressing the first button 83 and the second button 84, guide the first button 83 and the second button 84 along first
The axial direction of sleeve r1 and second sleeve r2 are mobile, prevent the first button 83 and the second button 84 from putting during being pressed
Raw offset.With first sleeve r1 is arranged on the first button 83, the mode that second sleeve r2 is arranged on the second button 84 is realized admittedly
Determine spring 82 and guide the effect of the first button 83 and 84 moving direction of the second button, 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 specific embodiment, fixing sleeve 2 is provided on the edge of one end of air bag 1 by flexibility
Along 9, contact reaches outside fixing sleeve 2 along 9 for contact made of material, forms sucker structure with fixing sleeve 2, the sucker in the present invention
In a ring, center is provided with the openning passed through for puncture needle to structure.
By contacting the setting along 9, increases the contact area of fixing sleeve 2 and human body, make fixing sleeve 2 is stronger to be fixed on
On human skin, contact is fabricated from a flexible material along 9, and after the gas in fixing sleeve 2 is extracted, contact can be complete with skin along 9
Full fitting, keeps the sealing performance of fixing sleeve 2 more preferable, to prevent gas leakage due to sealing performance is bad, leads to puncture needle slide
It happens.And flexible material such as silica gel etc., skin will not be injured after being close to skin.
As a kind of improved specific embodiment, the first fixture block 85 and the first card slot 51 and the second fixture block 86 and second
The inclined-plane tightening structure having for fitting closely the surface of the end face for connecting shell 81 and air bag 1 is set between card slot 52, tiltedly
Face tightening structure includes the first inclined-plane x1 being arranged on 52 cell wall of the first card slot 51 and the second card slot and setting in the first card
The second inclined-plane x2 on block 85 and the second fixture block 86, when the first fixture block 85 is mobile toward the first card slot 51 and/or the second fixture block 86 is past
When second card slot 52 is mobile, the first inclined-plane x1 and the second inclined-plane x2 are bonded to each other sliding, by 1 surface of air bag with connect 81 table of shell
Face is mutually adjacent to.
After in the first blow vent q1 or the second blow vent q2 insertion channel t1, spring 82 pushes the first fixture block 85 to be caught in
While first card slot, the second fixture block 86 is pushed to be caught in the second card slot, after the first fixture block 85 and the second fixture block 86 snap into, bullet
Spring 82 pushes the second inclined-plane x2 to slide along the first inclined-plane x1, to make the surface of air bag 1 or fixing sleeve 2 and the surface for connecting shell 81
It is adjacent to, and mutual extrusion, to reduce the gap of connection shell 81 and 2 surface of air bag 1 or fixing sleeve, connection shell 81 is reduced or avoided
It is leaked with the junction of air bag 1 and the gas for connecting shell 81 and 2 junction of fixing sleeve, avoids energy caused by leaking because of gas
Energy-saving effect is realized in waste.
As a kind of improved specific embodiment, the diameter and syringe of the first blow vent q1 and the second blow vent q2
Piston core pin is adapted, and the first check valve is provided in the first blow vent q1, and the first check valve makes the first blow vent q1 to air bag 1
Interior inflation, is provided with second one-way valve in the second blow vent q2, and second one-way valve makes the second blow vent q2 toward being evacuated outside air cavity.
It the piston core pin of syringe can be used to inflate into air bag 1 at the time of surgery, air bag 1 made to clamp puncture needle；And it will
Gas is extracted out out of air cavity, so that fixing sleeve 2 is fixed on human skin.The piston core pin of syringe is easy to obtain within the hospital
, and price is low, is taken out and is inflated using piston core pin, it is easy to operate and at low cost.
The air pressure that air bag 1 is kept by the first check valve can make gas without continuing inflation after inflating into air bag 1
Capsule 1 keeps pressure, to persistently fix puncture needle, avoids continuing the wasted energy of inflation, energy saving.It is unidirectional by second
Valve makes air cavity keep pressure, to be fixed on fixing sleeve 2 is lasting on human skin, air cavity can be made to protect without lasting pumping
Low pressure is held, it is energy saving.
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 solutions belonged under thinking of the present invention all belong to the scope of protection of the present invention.It should be pointed out that for the art
For those of ordinary skill, several improvements and modifications without departing from the principles of the present invention, these improvements and modifications are also answered
It is considered as protection scope of the present invention.
Claims (6)
1. a kind of fixed device of peritoneo-puncture needle, it is characterised in that: including ring-shaped gasbag (1) and for air bag (1) to be fixed to human body
On fixing sleeve (2), the centre of the air bag (1) is provided with the opening (3) passed through for puncture needle, when air bag (1) inflation, opens
Mouth (3) reduces, and so that the wall of air bag (1) is clamped puncture needle, puncture needle is fixed on air bag (1), open on the fixing sleeve (2)
Equipped with air drain (4), the side in fixing sleeve (2) backwards to air drain (4) is arranged in the air bag (1), when fixing sleeve (2) is placed into human body
After on skin, human skin closes air drain (4), and closed air cavity, the fixing sleeve are constituted between fixing sleeve (2) and human skin
(2) it is provided with the second blow vent (q2) for gas to be discharged on, first for being filled with gas is provided on the air bag (1)
Blow vent (q1) further includes electric pump (7) He Lianggen conduit (6), and source of inflation gas and pumping gas source are provided in the electric pump (7),
Piece conduit (6) connection the first blow vent (q1) and source of inflation gas, another conduit (6) are connected to the second blow vent
(q2) and it is evacuated gas source, first blow vent (q1) and the second blow vent (q2) are cylindrical, first blow vent (q1)
The first card slot (51) and the second card slot (52) are offered with the side wall of the second blow vent (q2), (6) are provided on the conduit
For connecting the connection component (8) of the first blow vent (q1) or the second blow vent (q2), the connection component (8) includes connection shell
(81), the first fixture block (85) and the second fixture block (86) offer on the connection shell (81) logical with first for connecting tube (6)
The channel (t1) of port (q1) or connecting tube (6) and the second blow vent (q2), the connection shell (81) is interior to be provided with installation sky
Between, channel (t1) is separated into prepass and rear channel by the installation space, and guide groove (t2), institute are provided in the installation space
It states and is provided with guide rail (t3) on the first fixture block (85) and the second fixture block (86), the guide rail (t3) is embedded in guide groove (t2), makes first
Fixture block (85) and the second fixture block (86) can slide along guide groove (t2), to protrude into the first blow vent (q1) or the second blow vent (q2)
After in channel (t1), make the first fixture block (85) insertion the first card slot (51), the second fixture block (86) insertion the second card slot (52), or
Exit the first fixture block (85) out of the first card slot (51), the second fixture block (86) is exited out of the second card slot (52), to block or
Discharge the first blow vent (q1) and the second blow vent (q2).
2. a kind of fixed device of peritoneo-puncture needle according to claim 1, it is characterised in that: the connection component (8) further includes
First button (83), the second button (84), first connecting rod (87) and the second connecting rod (88) open up on the connection shell (81)
There is the slide opening through connection shell (81) side wall, the slide opening, which is connected to installation space and is mounted space, is divided into first part
(h1) it is arranged in first part (h1) with second part (h2), the first button (83) sliding, second button (84)
It is empty to be hinged on installation in second part (h2) for sliding setting in the middle part of the first connecting rod (87) and the second connecting rod (88)
Between side wall on, one end of the first connecting rod (87) and the first button (83) hingedly, the other end and the first fixture block (85) hinge
It connects, so that the first button (83) and the first fixture block (85) are linked, when the first button (83) sliding in first part (h1), band
Dynamic first fixture block (85) are caught in the first card slot (51) or exit the first card slot (51), one end of second connecting rod (88) and the
Two buttons (84) hingedly, the other end and the second fixture block (86) hingedly so that the second button (84) and the second fixture block (86) are linked, when
Second button (84) is driven the second fixture block (86) to be caught in the second card slot (52) or exits second in the second part (h2) when sliding
Card slot (52).
3. a kind of fixed device of peritoneo-puncture needle according to claim 2, it is characterised in that: the connection component (8) further includes
Spring (82), one end that first button (83) protrudes into installation space are provided with first sleeve (r1), second button
(84) one end for protruding into installation space is provided with second sleeve (r2), and the 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) resists the first button (83),
The other end resists the second button (84), to push the first button (83) and the second button (84) backwards to movement, to make the first card
Block (85) is caught in the first card slot (51), the second fixture block (86) is caught in the second card slot (52).
4. the fixed device of a kind of peritoneo-puncture needle according to claim 3, it is characterised in that: the fixing sleeve (2) is backwards to air bag
(1) contact being fabricated from a flexible material is provided on the edge of one end along (9), the contact reaches fixing sleeve (2) along (9)
Outside, sucker structure is formed with fixing sleeve (2).
5. the fixed device of a kind of peritoneo-puncture needle according to claim 4, it is characterised in that: first fixture block (85) and first
Setting is having end face and gas for making to connect shell (81) between card slot (51) and the second fixture block (86) and the second card slot (52)
The inclined-plane tightening structure that the surface of capsule (1) fits closely, the inclined-plane tightening structure include setting in the first card slot (51) and the
The first inclined-plane (x1) and setting on two draw-in groove (52) cell wall is oblique in the first fixture block (85) and second on the second fixture block (86)
Face (x2), when the first fixture block (85) past first card slot (51) are mobile and/or the second fixture block (86) is mobile toward the second card slot (52),
First inclined-plane (x1) and the second inclined-plane (x2) are bonded to each other sliding, and air bag (1) surface is mutually pasted with shell (81) surface is connect
Tightly.
6. a kind of fixed device of peritoneo-puncture needle according to claim 1, it is characterised in that: first blow vent (q1) and the
The diameter of two blow vents (q2) is adapted with the piston core pin of syringe, and it is unidirectional that first is provided in first blow vent (q1)
Valve, first check valve make the first blow vent (q1) to inflation in air bag (1), and the is provided in second blow vent (q2)
Two check valves, the second one-way valve make 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 |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710309912.0A CN107174315B (en) | 2017-05-04 | 2017-05-04 | Peritoneo-puncture needle fixes device |
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| Publication Number | Publication Date |
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| CN107174315A CN107174315A (en) | 2017-09-19 |
| CN107174315B true CN107174315B (en) | 2019-10-11 |
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| CN201710309912.0A Active CN107174315B (en) | 2017-05-04 | 2017-05-04 | Peritoneo-puncture needle fixes device |
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Families Citing this family (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 |
| CN108543199B (en) * | 2018-06-05 | 2024-06-18 | 温州医科大学附属第一医院 | Catheter for treating paralytic ileus |
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