CN208574126U - PICC plugging thrombolysis threeway auxiliary device - Google Patents
PICC plugging thrombolysis threeway auxiliary device Download PDFInfo
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- CN208574126U CN208574126U CN201721885492.2U CN201721885492U CN208574126U CN 208574126 U CN208574126 U CN 208574126U CN 201721885492 U CN201721885492 U CN 201721885492U CN 208574126 U CN208574126 U CN 208574126U
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Abstract
The utility model relates to a kind of PICC plugging thrombolysis threeway auxiliary devices, including triple valve, administration injection device, negative pressure aspirator, negative pressure aspirator includes aspirator and adapter, aspirator includes the barrel shell and piston component with piston barrel chamber, barrel shell front end gas nozzle is connect with adapter and rear end exhaust, the rubber cup of piston component be snug fit at barrel shell piston cylinder it is intracavitary and through pumping handle pull air extracting seal, it resets and is vented through reset spring pushing tow, adapter includes the transfer tube of the interior unidirectional valve chamber of tool, the sealing of transfer tube one end and gas nozzle is mating and constitutes unidirectional valve chamber and is connected to gas nozzle, the gas nozzle and triple valve of transfer tube connection barrel shell, the unidirectional valve chamber of transfer tube is equipped with the valve seat plate of center eyelet, the valve seat plate cooperation activity fuse of eyelet, slide core attached bag includes positioning and guiding bar, the closing of positioning and guiding bar one end end band , open valve seat plate eyelet coniform rubber stopper.Negative pressure aspirator is structurally reasonable, has the advantages that easy to operate and easy to carry.
Description
Technical field
The utility model relates to medical instruments, are specifically PICC plugging thrombolysis threeway auxiliary devices.
Background technique
Peripherally Inserted Central Catheter (PICC) has indwelling time long, mitigates and punctures pain repeatedly, reduces
The advantages of chemotherapeutics or hypertonic liquid are to the stimulation and damage of blood vessel, is therefore widely used in Tumor Patients after Chemotherapy.But
PICC conduit is more elongated, and tumor patient treatment course across the time it is long, therapeutic agent irritation is strong, catheter blockage incidence compared with
Height will lead to Non-plan cupping if processing not in time, interrupts treatment, increases the pain and financial burden of patient.
To solve the problems, such as that PICC is completely plugged, clinically need to carry out thrombolysis processing.Existing thrombolysis auxiliary appliance is usual
Include triple valve, administration injection device, aspirating syringe, a tube head of triple valve is connected on picc pipe end, administration note
It extracted urea enzyme and is connected on triple valve in emitter, empty aspirating syringe is separately taken to be connected on triple valve；In use, utilizing
Aspirating syringe is connected to by threeway with picc pipe end, empty pump aspirating syringe, so that forming negative pressure in PICC conduit, is needed at this time
Pull the handle of aspirating syringe to guarantee negative pressure manually, switching three-way valve makes so that administration injection device is connected to picc conduit,
Being formed using negative pressure will be located in the injection picc conduit of the urease in administration injection device, retain 15 ~ 30 minutes suction catheters again,
As obstructed, then repeatedly above-mentioned movement until lead to again, after through 20ml physiological saline pulse washing pipe.
Existing thrombolysis auxiliary device carries out suction by traditional syringe, and when suction needs medical staff's pull to protect
Needle handle is held to guarantee that negative pressure is formed, operating process is relatively complicated and laborious.Due to clinically needing to carry out at interval of 1 ~ 2 hour
Aforesaid operations, medical staff's heavy workload, and it is larger to palm injury, under frequent operation, it be easy to cause medical staff's palm swollen
Greatly, cause medical staff's operating pressure big.There is also electronic vacuum evacuation devices in existing medical instrument, but its volume is big, no
Easy to carry and cost is high.
Utility model content
In view of the deficienciess of the prior art, the purpose of this utility model is to provide a kind of designs of Vacuuming structure to close
Reason, vacuum pumping convenience and portable PICC plugging thrombolysis threeway auxiliary device.
To achieve the above object, the utility model provides following technical solution:
A kind of PICC plugging thrombolysis threeway auxiliary device, including triple valve, three pipe fittings of triple valve be separately connected to
Syringe, negative pressure aspirator and the pipe joint for connection picc pipe end, it is characterised in that: the negative pressure aspirator packet
Aspirator and adapter are included, aspirator includes the barrel shell and piston component with piston barrel chamber, and the barrel shell front end is equipped with
The gas nozzle connecting with adapter, barrel shell rear end have an exhaust outlet with piston barrel chamber connection, piston component include rubber cup and
It is evacuated handle, the piston cylinder that the rubber cup is snug fit at barrel shell is intracavitary, and rubber cup has the annular side wall of taper, annular side wall
Small end towards barrel shell gas nozzle, annular side wall rubber cup to it is mobile far from gas nozzle one end when elasticity be attached at piston cylinder cavity wall,
Annular side wall disengagable piston cylinder cavity wall when rubber cup is mobile to gas nozzle one end forms air gap for gas to pass through, the pumping
The guiding cooperation of handle linear slide is on barrel shell, and the pumping handle is equipped with rubber cup mounting base, and the rubber cup is fixedly installed in
In rubber cup mounting base, being evacuated and connecting the opposite other end in one end with rubber cup on handle is the operation for stretching out the piston barrel chamber
End is evacuated the reset spring that driving rubber cup is set on handle towards the mobile one end of gas nozzle, and reset spring is intracavitary set on piston cylinder,
Reset spring one end is connected in rubber cup mounting base, and the reset spring other end is connected on piston cylinder cavity rear end face, and described turn
Connector includes transfer tube, has unidirectional valve chamber in transfer tube, and transfer tube one end and gas nozzle seal mating and constitute check valve
Chamber is connected to gas nozzle, and the transfer tube other end is equipped with the plug connecting mouth with the pipe fitting grafting of triple valve, the unidirectional valve chamber court of transfer tube
It is equipped with the valve seat plate of center eyelet to plug connecting mouth one end, slide core is inserted in transfer tube, slide core attached bag includes positioning and leads
To bar, one end port is cooperated to be equipped with pilot hole with gas nozzle on transfer tube, positioning and guiding bar slide-and-guide cooperates in pilot hole,
Positioning and guiding bar and pilot hole clearance fit, positioning and guiding bar protrude into that check valve is intracavitary, and positioning and guiding bar one end end is equipped with circle
The tip of cone cell rubber stopper, coniform rubber stopper is arranged towards valve seat plate, and the tip of coniform rubber stopper can be inserted into valve seat plate
Eyelet constitutes the eyelet of coniform rubber stopper sealing blocking valve seat piece.
The PICC plugging thrombolysis threeway auxiliary device working principle of the utility model are as follows: using installation, pass through triple valve reality
The connection of existing picc pipe end, administration injection device, adapter is installed, and installation is completed on the gas nozzle connecting adapter of aspirator；It is formed
Negative pressure is administered, switching three-way valve makes being connected to for picc conduit and adapter, and pull is evacuated handle, and rubber cup is pulled to take out to realize
Gas carries out pumping negative pressure to picc pipe through adapter, triple valve, after the completion of a pull, under the action of reset spring, is evacuated handle
With rubber cup reset movement, in the process, forming reversed pushing tow gas and pumping to the movable fuse in adapter terminates
The suction function of formation, the eyelet of the tip quick insertion valve seat plate of coniform rubber stopper realize that coniform rubber stopper blocks valve seat
The eyelet of piece guarantees that the negative pressure in picc pipe is kept, negative pressure needed for suction can be formed in picc is managed repeatedly；Negative pressure administration,
Switching three-way valve is realized under the action of negative pressure medicine body (urease) injecting picc so that picc pipe is connected to administration injection device
Thrombolysis is carried out in pipe.Suction action is carried out again after retaining 15 ~ 30min, it is such as obstructed to repeat aforesaid operations until leading to again.This
The single administration negative pressure formation of utility model PICC plugging thrombolysis threeway auxiliary device can be formed by being repeatedly evacuated, and guarantee administration
Reliability, improve efficiency, in addition be evacuated when under the action of adapter formed one-way conduction effect, operator without keep take out
Tension state is more simple and laborsaving；When pumping, reset spring can reach rubber cup Rapid reset, and reply immediately fastly in rubber cup
Position is capable of forming reliable reversed jacking force to guarantee the eyelet of coniform rubber stopper blocking valve seat plate, guarantees negative in picc pipe
Pressure keeps reliable.In the conducting of picc conduit, administration injection device can be removed, the carry out washing pipe movement with physiological saline is separately taken.It takes out
The simple small and exquisite storage easy to carry of haustorium structure, it is low in cost.
Preferably, spherical shape is equipped between the transfer tube and plug connecting mouth to swell portion, spherical shape, which swells, to be greater than in portion with diameter
The spherical cavity of the switching bore.
Under structure design, when being extracted into blood back, spherical cavity can play receiving buffer function, avoid blood back is used from going out to transfer
Head causes the pollution to aspirator.
Preferably, the spherical shape swells and is additionally provided with negative pressure indicating mechanism between portion and transfer tube, and negative pressure indicating mechanism includes
The intermediate connection tube of connection spherical swell portion and transfer tube, intermediate connection tube are radially provided with the branch pipe communicated therewith, and branch pipe is tool
Graduated negative pressure instruction pipe, the interior rubber pocket for being equipped with tubbiness of branch pipe, rubber pocket bottom is spherical crown shape, the bottom direction of rubber pocket
The oral area of intermediate connection tube, rubber pocket is fixed on branch pipe, and the oral area and the branch seal of tube of rubber pocket cooperate.
Under structure design, during taking out negative pressure, under the suction function in intermediate connection tube, so that rubber pocket is in branch pipe
Interior elongation, cooperation branch pipe realizes negative pressure value instruction, convenient for judging delivery time.
Preferably, the upper port of the branch pipe is equipped with the fixation chock plug by the oral area pressing of rubber pocket on branch pipe, chock plug
With the middle cavity that the inner cavity with rubber pocket is connected to, closing propulsion arm is interspersed in the middle cavity of chock plug, closing propulsion arm includes
Rod-like body, the lower end of rod-like body are equipped with the ballhead that diameter is adapted to intermediate connection tube caliber, and ballhead is placed in rubber pocket
Interior, the middle part of rod-like body is equipped with locking hangnail, and the upper end of rod-like body is the rod-shaped body shaft of pushing tow to mobile pushing end, locks
Only hangnail counter stopper is at middle cavity exterior side port, and rod-like body it is axial to intermediate connection tube movement can deformation cross plug
The middle cavity lower port of head is matched with chock plug lower end card in turn, and the ballhead on the rod-like body is in locking hangnail and chock plug lower end
Card timing constitute press rubber pocket bottom be affixed on intermediate connection tube wall, be additionally provided on chock plug positioned at middle cavity be connected to top and with
Connection protection chamber, the pushing end of rod-like body be placed in protection it is intracavitary, protection top of chamber have stop rod-like body pushing tow
The protective port held and appeared for the pushing end of rod-like body.
Under structure design, after the completion of thrombolysis, rubber pocket can be closed propulsion arm pushing tow and press to intermediate connection tube
Realize closing, further avoid blood back it is used go out adapter cause pollution to aspirator.The locking hangnail of rod-like body realizes envelope
The holding of propulsion arm position is closed, protection chamber is realized to the protection of closing propulsion arm, and maloperation is prevented.
It preferably, further include the top plug having for protruding into the pushing end for protecting intracavitary press bar body, in the cylinder of aspirator
Shell is equipped with the incorporating section for placing top plug.
Under structure design, is carried on aspirator for pushing tow press bar body top plug, facilitate operation.
Preferably, the coniform rubber stopper is hollow design, and coniform rubber stopper includes that cone cell ontology and tubulose prolong
The big end of extending portion, cone cell ontology connects tubular protrusions, and tubular protrusions are relative to the other end for connecting one end with cone cell ontology
Mouth has extended radially inward snap ring, and annular slot is equipped on positioning and guiding bar, and snap ring is sheathed on annular slot.
Under structure design, be conducive to the elastic deformation of coniform rubber stopper, guarantee that coniform rubber stopper blocks eyelet
Reliably, guarantee that one-way sealing is reliable.
Preferably, the radial cross-sectional shape of the pumping handle is polygon, and barrel shell rear end is more with being adapted to pumping handle
Side shape location hole, pumping handle on correspond to polygon facet at least one face on be equipped with along pumping handle length direction extension it is recessed
Slot, groove and polygon positioning hole wall interval cooperation constitute the exhaust outlet.
Under structure design, so that compact-sized.
The utility model is further described with reference to the accompanying drawing.
Detailed description of the invention
Fig. 1 is the utility model specific embodiment PICC plugging thrombolysis threeway assistant apparatus structure schematic diagram；
Fig. 2 is the utility model specific embodiment negative pressure aspirator structural schematic diagram；
Fig. 3 is the utility model specific embodiment aspirator structural schematic diagram；
Fig. 4 is the utility model specific embodiment rubber cup and the explosive view for being evacuated handle assembly；
Fig. 5 is part A partial enlarged view in Fig. 2.
Specific embodiment
Referring to attached drawing 1 ~ 5, a kind of PICC plugging thrombolysis threeway auxiliary device disclosed by the utility model, including triple valve 1,
Three pipe fittings of triple valve 1 are separately connected administration injection device 2, negative pressure aspirator 3 and connect to connect the conduit of picc pipe end
First 11, the negative pressure aspirator 3 includes aspirator 31 and adapter 32, and aspirator 31 includes having piston barrel chamber 3111
Barrel shell 311 and piston component, 311 front end of barrel shell are equipped with the gas nozzle 312 connecting with adapter 32,311 rear end of barrel shell tool
There is the exhaust outlet 3112 with 3111 connection of piston barrel chamber, piston component includes rubber cup 313 and pumping handle 314, the rubber
Bowl 313 is snug fit in the piston barrel chamber 3111 of barrel shell 311, and rubber cup 313 has the annular side wall of taper, and annular side wall is small
The gas nozzle 312 towards barrel shell 311 is held, annular side wall elasticity when rubber cup 313 is to far from the movement of 312 one end of gas nozzle is attached at work
3111 wall of plug tube chamber, annular side wall disengagable 3111 wall of piston barrel chamber when rubber cup 313 is mobile to 312 one end of gas nozzle, which is formed, to be supplied
The air gap that gas passes through, on barrel shell 311, the pumping handle 314 is equipped with rubber for 314 linear slide of the pumping handle guiding cooperation
Leather cup mounting base 315, the rubber cup 313 are fixedly installed in rubber cup mounting base 315, and rubber cup mounting base 315 includes the
One grip slipper 3151 and the second grip slipper 3152,3151 center of the first grip slipper are equipped with the set 31511 that is spirally connected, the second grip slipper 3152
It is equipped with the sleeve joint hole being socketed on outside the set 35511 that is spirally connected, rubber cup 313 is located in the first grip slipper 3151 and the second grip slipper
Between 3152, external threading spinning is spirally connected on pumping handle 314 on the first grip slipper 3151, is evacuated on handle 315 and rubber cup 313
The opposite other end in connection one end be the operating side for stretching out the piston barrel chamber 3111, operating side equipped with transverse handle so that
It is evacuated handle 314 and constitutes T-shape, barrel shell 311 is equipped with the frame-shaped grip part 3113 of the transverse handle around pumping handle 314, in this way
Convenient for air suction process, it is evacuated the reset spring 316 that driving rubber cup 313 is set on handle 314 towards the mobile one end of gas nozzle 312,
Reset spring 316 is set in piston barrel chamber 3111, and 316 one end of reset spring is connected in rubber cup mounting base 315, reset spring
316 other ends are connected on 3111 rear end face of piston barrel chamber, and the adapter 32 includes transfer tube 321, are had in transfer tube 321
Unidirectional valve chamber 3211,321 one end of transfer tube and gas nozzle 312 seal mating and constitute unidirectional valve chamber 3211 and the company of gas nozzle 312
Logical, the sealed connection to guarantee gas nozzle and adapter is reliable, and rubber Analysis of Nested Design can be used in gas nozzle, and 321 other end of transfer tube is equipped with
The needle nozzle design of traditional syringe can be used with the plug connecting mouth 322(of the pipe fitting grafting of triple valve 1), the list of transfer tube 321
It is equipped with the valve seat plate 323 of center eyelet 3231 to valve chamber 3211 towards 322 one end of plug connecting mouth, is inserted with work in transfer tube 321
Dynamic fuse, slide core attached bag include positioning and guiding bar 324, cooperate one end port to be equipped with pilot hole with gas nozzle 312 on transfer tube 321
3212,324 slide-and-guide of positioning and guiding bar cooperates in pilot hole 3212, and positioning and guiding bar 324 is matched with 3212 gap of pilot hole
It closing, positioning and guiding bar 324 protrudes into unidirectional valve chamber 3211, and 324 one end end of positioning and guiding bar is equipped with coniform rubber stopper 325,
The tip of coniform rubber stopper 325 is arranged towards valve seat plate 323, and the tip of coniform rubber stopper 325 can be inserted into valve seat plate 323
Eyelet 3231 constitutes the eyelet 3231 that coniform rubber stopper 325 seals blocking valve seat piece 323.
The PICC plugging thrombolysis threeway auxiliary device working principle of the utility model are as follows: using installation, pass through triple valve reality
The connection of existing picc pipe end, administration injection device, adapter is installed, and installation is completed on the gas nozzle connecting adapter of aspirator；It is formed
Negative pressure is administered, switching three-way valve makes being connected to for picc conduit and adapter, and pull is evacuated handle, and rubber cup is pulled to take out to realize
Gas carries out pumping negative pressure to picc pipe through adapter, triple valve, after the completion of a pull, under the action of reset spring, is evacuated handle
With rubber cup reset movement, in the process, forming reversed pushing tow gas and pumping to the movable fuse in adapter terminates
The suction function of formation, the eyelet of the tip quick insertion valve seat plate of coniform rubber stopper realize that coniform rubber stopper blocks valve seat
The eyelet of piece guarantees that the negative pressure in picc pipe is kept, negative pressure needed for suction can be formed in picc is managed repeatedly；Negative pressure administration,
Switching three-way valve is realized under the action of negative pressure medicine body (urease) injecting picc so that picc pipe is connected to administration injection device
Thrombolysis is carried out in pipe.Suction action is carried out again after retaining 15 ~ 30min, it is such as obstructed to repeat aforesaid operations until leading to again.This
The single administration negative pressure formation of utility model PICC plugging thrombolysis threeway auxiliary device can be formed by being repeatedly evacuated, and guarantee administration
Reliability, improve efficiency, in addition be evacuated when under the action of adapter formed one-way conduction effect, operator without keep take out
Tension state is more simple and laborsaving；When pumping, reset spring can reach rubber cup Rapid reset, and reply immediately fastly in rubber cup
Position is capable of forming reliable reversed jacking force to guarantee the eyelet of coniform rubber stopper blocking valve seat plate, guarantees negative in picc pipe
Pressure keeps reliable.In the conducting of picc conduit, administration injection device can be removed, the carry out washing pipe movement with physiological saline is separately taken.It takes out
The simple small and exquisite storage easy to carry of haustorium structure, it is low in cost.Substantially reduce the workload of medical staff.
Wherein, the radial cross-sectional shape of the pumping handle 314 is polygon, is quadrangle, barrel shell in this specific embodiment
311 rear ends have the polygon location hole being adapted to pumping handle 314, and polygon facet at least one is corresponded on pumping handle 314
Face is equipped with the groove 3141 extended along pumping 314 length direction of handle, and groove 3141 and polygon positioning hole wall interval cooperate structure
At the exhaust outlet 3112.In this way in the case where guaranteeing pumping handle and the reliable situation of barrel shell location fit, realize in pumping process
Exhaust, it is compact-sized.
It is equipped with spherical shape between the transfer tube 321 and plug connecting mouth 322 to swell portion 326, spherical shape, which swells in portion 326, has diameter
Greater than the spherical cavity 3261 of the switching bore.When being extracted into blood back, spherical cavity can play receiving buffer function, avoid back
The used adapter out of blood causes the pollution to aspirator.It is spherical simultaneously swell portion 326 convenient for the gas nozzle of adapter and aspirator 31 it
Between plug operate holding position so that operation it is more convenient.
The spherical shape swells and is additionally provided with negative pressure indicating mechanism between portion 326 and transfer tube 321, and negative pressure indicating mechanism includes connecting
Shape of receiving swells the intermediate connection tube 327 of portion 326 and transfer tube 321, and intermediate connection tube 327, spherical shape swell portion 326 and transfer tube
321 are integrally formed, and intermediate connection tube 327 is radially provided with the branch pipe 328 communicated therewith, and branch pipe 328 is to have graduated negative pressure to refer to
Show pipe, the rubber pocket 329 of tubbiness is equipped in branch pipe 328,329 bottom of rubber pocket is spherical crown shape, and the bottom of rubber pocket 329 is in
Between connecting tube 327, the oral area of rubber pocket 329 is fixed on branch pipe 328, and oral area and branch pipe 328 sealing of rubber pocket 329 cooperate.
During taking out negative pressure, under the suction function in intermediate connection tube 327, so that rubber pocket extends in branch pipe, cooperation branch pipe is real
Existing negative pressure value instruction, convenient for judging delivery time.
The upper port of the branch pipe 328 is equipped with the fixation chock plug 320 by the oral area pressing of rubber pocket 329 on branch pipe 328,
Chock plug 320 has the middle cavity 3200 being connected to the inner cavity of rubber pocket 329, is interspersed with closing in the middle cavity 3200 of chock plug 320
Propulsion arm 32-1, closing propulsion arm 32-1 include rod-like body 32-11, and the lower end of rod-like body 32-11 is equipped with diameter and centre
The ballhead 32-12 of 327 caliber of connecting tube adaptation, ballhead 32-12 are placed in rubber pocket 329, the middle part of rod-like body 32-11
Equipped with locking hangnail 32-13, the upper end of rod-like body 32-11 is the pushing end of pushing tow rod-like body 32-11 axial movement, locking
Hangnail 32-13 counter stopper moves at middle 3200 exterior side port of cavity, and in rod-like body 32-11 axial direction to intermediate connection tube
Can deformation cross chock plug 3200 lower port of middle cavity so that match with 320 lower end card of chock plug, the ball on the rod-like body 32-11
Forming head 32-12 constitutes press 329 bottom of rubber pocket in locking hangnail 32-13 and 320 lower end card timing of chock plug and is affixed on intermediate connection
On 327 wall of pipe, it is additionally provided on chock plug 320 and is connected to top positioned at middle cavity 3200 and protection chamber 3201 in communication, rod-shaped
The pushing end of body 32-11 is placed in protection chamber 3201, and protecting at the top of chamber 3201 has the pushing end for stopping rod-like body 32-11 simultaneously
The protective port appeared for the pushing end of rod-like body 32-11.After the completion of thrombolysis, rubber pocket can be closed propulsion arm pushing tow
Press to intermediate connection tube and realize closing, further avoid blood back it is used go out adapter cause pollution to aspirator.Rod-like body
Locking hangnail realizes that closing propulsion arm position is kept, and protection chamber is realized to the protection of closing propulsion arm, prevents maloperation.
For convenience of aforesaid operations, it is also equipped with the top for protruding into protection chamber 3201 pushing end for pressing bar body 32-11
Plug 4 is equipped with the incorporating section for placing top plug 4 on the barrel shell 311 of aspirator 31.Incorporating section can be jack, take on aspirator
Band facilitates operation for pushing tow press bar body top plug.
In this specific embodiment, the coniform rubber stopper 325 is hollow design, and coniform rubber stopper 325 includes cone cell
The big end of ontology 3251 and tubular protrusions 3252, cone cell ontology 3251 connects tubular protrusions 3252, tubular protrusions
3252 have extended radially inward snap ring 3253 relative to the another port for connecting one end with cone cell ontology 3251, in positioning and guiding bar
324 are equipped with annular slot 3241, and snap ring 3253 is sheathed on annular slot 3241.Be conducive to the elastic shape of coniform rubber stopper
Become, it is reliable to guarantee that coniform rubber stopper blocks eyelet, guarantees that one-way sealing is reliable.
Claims (7)
1. three pipe fittings of a kind of PICC plugging thrombolysis threeway auxiliary device, including triple valve, triple valve are separately connected administration
Syringe, negative pressure aspirator and to connect the pipe joint of picc pipe end, it is characterised in that: the negative pressure aspirator includes
Aspirator and adapter, aspirator include the barrel shell and piston component with piston barrel chamber, the barrel shell front end be equipped with
The gas nozzle of adapter connection, barrel shell rear end have the exhaust outlet with piston barrel chamber connection, and piston component includes rubber cup and pumping
Gas handle, the piston cylinder that the rubber cup is snug fit at barrel shell is intracavitary, and rubber cup has the annular side wall of taper, and annular side wall is small
The gas nozzle towards barrel shell is held, annular side wall elasticity when rubber cup is to far from the movement of gas nozzle one end is attached at piston cylinder cavity wall, ring
Shape side wall disengagable piston cylinder cavity wall when rubber cup is mobile to gas nozzle one end forms air gap for gas to pass through, the pumping handle
Linear slide guiding cooperation is on barrel shell, and the pumping handle is equipped with rubber cup mounting base, and the rubber cup is fixedly installed in rubber
In leather cup mounting base, being evacuated and connecting the opposite other end in one end with rubber cup on handle is the operating side for stretching out the piston barrel chamber,
Driving rubber cup is set on pumping handle towards the reset spring of the mobile one end of gas nozzle, reset spring is intracavitary set on piston cylinder, multiple
Position spring one end is connected in rubber cup mounting base, and the reset spring other end is connected on piston cylinder cavity rear end face, the switching
Head includes transfer tube, has unidirectional valve chamber in transfer tube, transfer tube one end is mating with gas nozzle sealing and constitutes unidirectional valve chamber
It is connected to gas nozzle, the transfer tube other end is equipped with the plug connecting mouth with the pipe fitting grafting of triple valve, the unidirectional valve chamber direction of transfer tube
Plug connecting mouth one end is equipped with the valve seat plate of center eyelet, and slide core is inserted in transfer tube, and slide core attached bag includes positioning and guiding
Bar cooperates one end port to be equipped with pilot hole on transfer tube with gas nozzle, and positioning and guiding bar slide-and-guide cooperates in pilot hole, fixed
Position guide rod and pilot hole clearance fit, positioning and guiding bar protrude into that check valve is intracavitary, and positioning and guiding bar one end end is equipped with circular cone
The tip of shape rubber stopper, coniform rubber stopper is arranged towards valve seat plate, and the tip of coniform rubber stopper can be inserted into the hole of valve seat plate
Eye constitutes the eyelet of coniform rubber stopper sealing blocking valve seat piece.
2. PICC plugging thrombolysis threeway auxiliary device according to claim 1, it is characterised in that: the transfer tube and plug connecting mouth
Between be equipped with spherical shape and swell portion, spherical shape swells is greater than the spherical cavity of the bore of transferring in portion with diameter.
3. PICC plugging thrombolysis threeway auxiliary device according to claim 2, it is characterised in that: the spherical shape swell portion and turn
Negative pressure indicating mechanism is additionally provided between adapter tube, negative pressure indicating mechanism includes the intermediate connection of connection spherical swell portion and transfer tube
Pipe, intermediate connection tube are radially provided with the branch pipe communicated therewith, and branch pipe is to have graduated negative pressure instruction pipe, are equipped with tubbiness in branch pipe
Rubber pocket, rubber pocket bottom be spherical crown shape, connecting tube, the oral area of rubber pocket are fixed on branch pipe towards the middle for the bottom of rubber pocket
On, the oral area and the branch seal of tube of rubber pocket cooperate.
4. PICC plugging thrombolysis threeway auxiliary device according to claim 3, it is characterised in that: the upper port of the branch pipe is set
There is fixation chock plug of the oral area pressing by rubber pocket on branch pipe, chock plug has the middle cavity being connected to the inner cavity of rubber pocket, plug
Be interspersed with closing propulsion arm in the middle cavity of head, closing propulsion arm includes rod-like body, the lower end of rod-like body be equipped with diameter with
The ballhead of intermediate connection tube caliber adaptation, ballhead are placed in rubber pocket, and the middle part of rod-like body is equipped with locking hangnail, rod-shaped
The upper end of ontology be the rod-shaped body shaft of pushing tow to mobile pushing end, locking hangnail counter stopper at middle cavity exterior side port,
And rod-like body it is axial to intermediate connection tube movement can deformation cross chock plug middle cavity lower port so that with chock plug lower end card
Match, the ballhead on the rod-like body constitutes press rubber pocket bottom in locking hangnail and the card timing of chock plug lower end and is affixed on centre
It connects on tube wall, is additionally provided on chock plug and is connected to top positioned at middle cavity and protection chamber in communication, the pushing end of rod-like body
It is placed in the protection that protection is intracavitary, and protection top of chamber has the pushing end of blocking rod-like body and appears for the pushing end of rod-like body
Mouthful.
5. PICC plugging thrombolysis threeway auxiliary device according to claim 4, it is characterised in that: further include have it is anti-for protruding into
The top plug for protecting the pushing end of intracavitary press bar body, is equipped with the incorporating section for placing top plug on the barrel shell of aspirator.
6. PICC plugging thrombolysis threeway auxiliary device according to claim 1, it is characterised in that: the coniform rubber stopper is
Hollow design, coniform rubber stopper include cone cell ontology and tubular protrusions, and the big end of cone cell ontology connects tubular protrusions,
Tubular protrusions have extended radially inward snap ring relative to the another port for connecting one end with cone cell ontology, on positioning and guiding bar
Equipped with annular slot, snap ring is sheathed on annular slot.
7. PICC plugging thrombolysis threeway auxiliary device according to claim 1, it is characterised in that: the radial direction of the pumping handle is cut
Face shape is polygon, and barrel shell rear end has the polygon location hole being adapted to pumping handle, corresponds to polygon facet on pumping handle
At least one face be equipped with along pumping handle length direction extend groove, groove and polygon positioning hole wall interval cooperation constitute
The exhaust outlet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721885492.2U CN208574126U (en) | 2017-12-28 | 2017-12-28 | PICC plugging thrombolysis threeway auxiliary device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721885492.2U CN208574126U (en) | 2017-12-28 | 2017-12-28 | PICC plugging thrombolysis threeway auxiliary device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208574126U true CN208574126U (en) | 2019-03-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721885492.2U Expired - Fee Related CN208574126U (en) | 2017-12-28 | 2017-12-28 | PICC plugging thrombolysis threeway auxiliary device |
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| CN (1) | CN208574126U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108404289A (en) * | 2017-12-28 | 2018-08-17 | 温州医科大学附属第二医院、温州医科大学附属育英儿童医院 | PICC plugging thrombolysis threeway auxiliary devices |
| CN111840750A (en) * | 2020-07-27 | 2020-10-30 | 四川大学华西医院 | PICC automatic pigging device |
| CN112451759A (en) * | 2020-11-24 | 2021-03-09 | 四川大学华西医院 | PICC pipe booster unit |
-
2017
- 2017-12-28 CN CN201721885492.2U patent/CN208574126U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108404289A (en) * | 2017-12-28 | 2018-08-17 | 温州医科大学附属第二医院、温州医科大学附属育英儿童医院 | PICC plugging thrombolysis threeway auxiliary devices |
| CN111840750A (en) * | 2020-07-27 | 2020-10-30 | 四川大学华西医院 | PICC automatic pigging device |
| CN112451759A (en) * | 2020-11-24 | 2021-03-09 | 四川大学华西医院 | PICC pipe booster unit |
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
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Granted publication date: 20190305 Termination date: 20211228 |