CN109772823A - If the washer and its filling fluid-discharge method of delivery nozzle plug - Google Patents

If the washer and its filling fluid-discharge method of delivery nozzle plug Download PDF

Info

Publication number
CN109772823A
CN109772823A CN201910028926.4A CN201910028926A CN109772823A CN 109772823 A CN109772823 A CN 109772823A CN 201910028926 A CN201910028926 A CN 201910028926A CN 109772823 A CN109772823 A CN 109772823A
Authority
CN
China
Prior art keywords
delivery nozzle
syringe
piston
lock pin
push rod
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CN201910028926.4A
Other languages
Chinese (zh)
Other versions
CN109772823B (en
Inventor
危未明
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shenzhen Peoples Hospital
Original Assignee
Jiangshan Hezheng Technology Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Jiangshan Hezheng Technology Co Ltd filed Critical Jiangshan Hezheng Technology Co Ltd
Priority to CN201910028926.4A priority Critical patent/CN109772823B/en
Priority to CN202010860069.7A priority patent/CN112122268A/en
Publication of CN109772823A publication Critical patent/CN109772823A/en
Application granted granted Critical
Publication of CN109772823B publication Critical patent/CN109772823B/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B08CLEANING
    • B08BCLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B9/00Cleaning hollow articles by methods or apparatus specially adapted thereto 
    • B08B9/02Cleaning pipes or tubes or systems of pipes or tubes
    • B08B9/027Cleaning the internal surfaces; Removal of blockages
    • B08B9/032Cleaning the internal surfaces; Removal of blockages by the mechanical action of a moving fluid, e.g. by flushing
    • B08B9/0321Cleaning the internal surfaces; Removal of blockages by the mechanical action of a moving fluid, e.g. by flushing using pressurised, pulsating or purging fluid
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B08CLEANING
    • B08BCLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B13/00Accessories or details of general applicability for machines or apparatus for cleaning

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Infusion, Injection, And Reservoir Apparatuses (AREA)

Abstract

The present invention relates to a kind of washers for setting delivery nozzle plug, the push rod that one end including syringe, the piston that sealing is slidably connected in syringe and the slave syringe being connected on piston is stretched out, the other end of the syringe is equipped with delivery nozzle, the piston is equipped with delivery nozzle filling head, the delivery nozzle lid for closing the delivery nozzle is removably connected in the delivery nozzle, fluid reservoir is formed between the syringe, piston and delivery nozzle, stores cleaning solution in the fluid reservoir;The piston be moved to be connected to syringe equipped with delivery nozzle one end on when, it is zero that spatial volume is formed by between the syringe and piston, and the delivery nozzle filling head is threaded through in the delivery nozzle.The present invention provides a kind of washer for setting delivery nozzle plug, solve the problems, such as now to extract present in normal saline flushing conduit that time-consuming and waste cleaning solution is big by existing syringe.

Description

If the washer and its filling fluid-discharge method of delivery nozzle plug
Technical field
The present invention relates to medical instrument more particularly to a kind of washers for setting delivery nozzle plug and its tank fluid-discharge method.
Background technique
Be inserted in by a syringe needle inject different medical fluids with patient when sometimes for the conduit on syringe needle It is cleaned by cleaning solution (usually physiological saline).The existing method being rinsed to conduit is by syringe from whole It is completed in injection conduit after extraction section in the physiological saline of packet.Due to first to extract physiological saline and then can carry out The time needed when rinsing, therefore being rinsed operation is long;Air when extraction in delivery nozzle can be mixed into cleaning solution, in order to be discharged Gas needs to cause to waste by cleaning solution discharge part;Having cleaning solution to remain in when drain causes to waste in delivery nozzle.
Summary of the invention
The present invention provides a kind of washers for setting delivery nozzle plug, solve and now extract physiology by existing syringe Time-consuming present in salt water irrigating catheter and wastes the big problem of cleaning solution.
The above technical problem is solved through the following technical scheme: a kind of washer setting delivery nozzle plug, including needle The push rod that one end of cylinder, the piston that sealing is slidably connected in syringe and the slave syringe being connected on piston is stretched out, the syringe The other end be equipped with delivery nozzle, the piston is equipped with delivery nozzle filling head, is removably connected in the delivery nozzle and closes The delivery nozzle lid of the delivery nozzle forms fluid reservoir between the syringe, piston and delivery nozzle, store in the fluid reservoir clear Washing lotion;The piston be moved to be connected to syringe equipped with delivery nozzle one end on when, be formed by between the syringe and piston Spatial volume is zero, and the delivery nozzle filling head is threaded through in the delivery nozzle.When in filling cleaning solution to syringe, move first Piston is filled in delivery nozzle to delivery nozzle filling head so that residual air is small in delivery nozzle, and residual air is small, be discharged into The cleaning solution for needing to be discharged when entering the air in liquid storage chamber is few, to once save cleaning solution.When being cleaned, delivery nozzle is removed Then lid connects delivery nozzle with conduit, then push rod goes driving piston press physiological saline to make physiological saline export Conduit is rinsed in conduit, due to wedding photography delivery nozzle filling head, delivery nozzle filling head can be by delivery nozzle at this time Interior cleaning solution discharge, plays the role of secondary saving cleaning solution.Due to having pre-installed cleaning solution in advance, it is used directly for vein The washing pipe of remaining needle, to play the role of time-saving.
Preferably, the piston is moved to when being connected to syringe equipped on one end of delivery nozzle, the delivery nozzle filling Head is threaded through in the delivery nozzle and fills the entire inner space of full delivery nozzle.Saving cleaning solution can be maximized.
Preferably, the piston includes first segment and second segment, the first segment is located at the second segment and delivery nozzle Between, between the first segment and second segment can division, push rod connection second segment is far from one end of first segment.The skill Art scheme make take out cleaning solution when being increased to for liquid storage chamber go leg second segment to realize by cleaning solution, i.e. the dilatation of liquid storage chamber and The entrance of cleaning solution is what synchronous equal amount carried out.So as to avoid existing directly realizing liquid storage chamber by push rod come piston Dilatation, be easy to cause when cleaning solution admission velocity is not caught up with into liquid storage chamber tolerance increase the phenomenon that, the tolerance of entrance Increase then not only be discharged gas when time-consuming and also waste cleaning solution also can be more.
Preferably, the connector sleeve being set in outside delivery nozzle is connected on the syringe, the inner surface of the connector sleeve It is equipped with internal screw thread, the delivery nozzle lid includes tube body and is the flexible close of two parts by the inner space seal isolation of tube body Mounting, the tube body are equipped with the external thread sleeve section being set in the delivery nozzle, and the external thread sleeve section is threaded in described In connector sleeve, the delivery nozzle lid is sealed against on the port of the delivery nozzle by the flexible sealing fin by delivery nozzle It closes, the flexible sealing fin closes residence towards delivery nozzle sunken inside under the differential pressure action of the fluid reservoir inside and outside State the port of delivery nozzle.Delivery nozzle lid in the technical solution is not only able to be sealed delivery nozzle but also be able to carry out anti- Dirt.Convenient and sealed reliable when delivery nozzle metal sealing.Unlock rod can automatically reset to prevent the lock again of interference lock pin On.
Preferably, the flexible sealing fin is under the differential pressure action of the fluid reservoir inside and outside towards delivery nozzle sunken inside And when closing the port of the delivery nozzle, it is fixed together between the push rod and syringe by fixed mechanism;The fixation Mechanism include along axially extending end face of the perforation push rod far from piston one end of push rod unlock rod mounting hole, be threaded through unlock rod Unlock rod in mounting hole, the lockhole being arranged on the inner peripheral surface of syringe, is worn the lock pin mounting hole being arranged on the circumferential surface of push rod The lock pin and driving lock pin being located in lock pin mounting hole stretch out lock pin mounting hole and are inserted into the lock pin driving spring in the lockhole, The inner end of the unlock rod is equipped with to push away and grab, and the lock pin is equipped with solution lockhole, is equipped with guide surface in the solution lockhole, drives unlock rod It is pushed away described in when being inserted into push rod and grabs insertion solution lockhole and squeeze the guide surface to driving lock pin to extract out of lockhole, the fixation Mechanism further includes that the driving being arranged in push rod pushes away the unlock rod reset spring grabbed and extract the solution lockhole.It can prevent from touching Push rod and destroy infusion mouth sealing.
Preferably, two lock pin mounting holes are along the circumferentially distributed of push rod, two lock pins there are two the lock pin mounting holes Mounting hole connection, total two lock pins in two lock pin mounting holes share a lock pin driving spring.Knot Structure is compact.It is fixed reliable.
The present invention also provides a kind of washers for setting delivery nozzle plug to fill fluid-discharge method, which is characterized in that the first step makes Piston is moved to syringe and to final position delivery nozzle filling head is threaded through in the delivery nozzle equipped with one end of delivery nozzle; Delivery nozzle is inserted into cleaning solution by second step;Third step promotes piston in syringe towards the direction pulling-pushing rod far from delivery nozzle It is mobile, so that cleaning solution enters in fluid reservoir under atmospheric pressure;4th step, delivery nozzle lid is covered it is close in delivery nozzle Seal the outlet of delivery nozzle;Then one end push rod that delivery nozzle lid is equipped with delivery nozzle towards syringe is removed when the 5th step, cleaning, is pushed away Bar drives the indoor physiological saline of piston press liquid storage and physiological saline is exported from delivery nozzle, and last delivery nozzle filling head is inserted Enter in delivery nozzle and the cleaning solution in liquid storage chamber is completely exhausted out.
Preferably, in third step, the mobile first segment of push rod and the pressure for making the space between first segment and second segment Decline, cleaning solution enters fluid reservoir and goes to drive second segment mobile towards first segment under atmospheric pressure;It is conveyed in 4th step Mouth lid is connected in delivery nozzle by flexible sealing fin seals up delivery nozzle, and side of the flexible sealing fin far from delivery nozzle is exposed In an atmosphere, after flexible sealing fin seals up delivery nozzle, piston further is driven towards the direction pulling-pushing rod far from delivery nozzle It is mobile so that generate negative pressure in fluid reservoir, which seal against flexible sealing fin more reliably to convey On mouth.
Preferably, sealing against flexible sealing fin when the indoor negative pressure of liquid storage reaches sets requirement in the 4th step When in delivery nozzle, push rod and syringe, which are fixed together, by fixed mechanism prevents piston from generating interior move and influences flexible close The sealing effect of mounting;In 5th step, first release the positioning action of fixed mechanism, then mobile putter and make fluid reservoir in production Delivery nozzle lid is removed again after raw positive pressure, so that the suction function in physiological saline be avoided to interfere removing and causing to take for delivery nozzle lid Flexible sealing fin is damaged when lower delivery nozzle lid.
Preferably, releasing the process of fixed mechanism in the 5th step are as follows: inside push away unlock rod, unlock rod driving, which pushes away, grabs insertion lock In the solution lockhole of pin, pushes away and cooperate with guide surface when grabbing insertion solution lockhole and drive lock pin towards inside contracting in push rod to out of lockhole It extracts, all lock pins, which all drive by same root unlock rod, to be realized from determining to extract in hole.
The present invention, which has an advantage that, can save scavenging period;It is generated when can reduce filling and output cleaning solution Cleaning solution wastage.
Detailed description of the invention
Fig. 1 is the schematic diagram of the washer for setting delivery nozzle plug in the present invention.
Fig. 2 is the partial enlargement diagram at the B of Fig. 1.
Fig. 3 is the partial enlargement diagram at the A of Fig. 1.
In figure: syringe 1, delivery nozzle 11, connector sleeve 12, piston 2, first segment 21, second segment 22, delivery nozzle filling head 23, Slide bar 24, sliding hole 25, push rod 3, pilot hole 31, delivery nozzle lid 4, tube body 41, external thread sleeve section 411, handgrip section 412, flexibility are close Mounting 42, fixed mechanism 6, unlock rod mounting hole 61, unlock rod 62, positioning disk 621, pushes away and grabs 622, lock pin mounting hole fluid reservoir 5 63, lockhole 64, lock pin 65, Xie Suokong 651, guide surface 652, lock pin driving spring 66, unlock rod reset spring 67.
Specific embodiment
The present invention will be further described below with reference to the accompanying drawings and embodiments.
Referring to figure 1, figure 2 and figure 3, a kind of washer setting delivery nozzle plug, including syringe 1, sealing are slidably connected at needle The push rod 3 and delivery nozzle lid 4 that one end of piston 2, the slave syringe being connected on piston in cylinder is stretched out.The other end of syringe is equipped with Delivery nozzle 11 and the connector sleeve 12 being set in outside delivery nozzle.The inner surface of connector sleeve is equipped with internal screw thread.Delivery nozzle lid 4 includes Tube body 41 and by the inner space of tube body seal isolation be two parts flexible sealing fin 42.Tube body is equipped with and is set in delivery nozzle On external thread sleeve section 411 and stretch out connector sleeve handgrip section 412.External thread sleeve section is threaded in connector sleeve.Delivery nozzle Lid is sealed against by flexible sealing fin closes delivery nozzle on the port of delivery nozzle.Flexible sealing fin is in fluid reservoir The port of delivery nozzle is closed towards delivery nozzle sunken inside under external differential pressure action.Piston 2 includes first segment 21 and second Section 22.First segment is between second segment and delivery nozzle.The side of first segment is equipped with delivery nozzle filling head 23.First segment, syringe Fluid reservoir 5 is formed between delivery nozzle.Cleaning solution is stored in fluid reservoir, cleaning solution is physiological saline.Piston is moved to abutting When on one end that syringe is equipped with delivery nozzle.It is zero that spatial volume is formed by between syringe and piston, and delivery nozzle filling head is worn It is located in delivery nozzle and fills the entire inner space of full delivery nozzle.The other side of first segment is equipped with slide bar 24.Second segment Side is equipped with sliding hole 25.Slide bar is threaded through in sliding hole.It being capable of division between first segment and second segment.Push rod is fixed in second segment The other side is on one end far from first segment.Flexible sealing fin is under the differential pressure action of the fluid reservoir inside and outside towards delivery nozzle Sunken inside and when closing the port of the delivery nozzle, be fixed together between push rod and syringe by fixed mechanism 6.Fixed machine Structure include along axially extending end face of the perforation push rod far from piston one end of push rod unlock rod mounting hole 61, be threaded through unlock rod Unlock rod 62 in mounting hole, the lock pin mounting hole 63 being arranged on the circumferential surface of push rod, the lock being arranged on the inner peripheral surface of syringe Hole 64, the lock pin 65 being threaded through in lock pin mounting hole and driving lock pin stretch out lock pin mounting hole and are inserted into the lock pin driving in lockhole Spring 66.The outer end of push rod is equipped with pilot hole 31.The outer end of unlock rod is equipped with the positioning disk 621 being slidably connected in pilot hole. The inner end of unlock rod, which is equipped with to push away, grabs 622.It pushes away there are two grabbing.There are two lock pin mounting holes, week of two lock pin mounting holes along push rod To distribution, two lock pin mounting hole connections, total two lock pins in two lock pin mounting holes share a lock pin driving Spring.Lock pin is equipped with solution lockhole 651.It solves and is equipped with guide surface 652 in lockhole.When pressing guiding dish driving unlock rod insertion push rod, Two push away to grab and are inserted into the solution lockhole of two lock pins correspondingly and squeeze guide surface to driving lock pin to extract out of lockhole.Gu Determining mechanism further includes that the driving being arranged in push rod pushes away the unlock rod reset spring 67 grabbed and extract the solution lockhole.
The filling fluid-discharge method of the washer for setting delivery nozzle plug of the invention are as follows: the first step makes piston be moved to syringe to set There is one end of delivery nozzle to final position delivery nozzle filling head to be threaded through in the delivery nozzle;Second step, by delivery nozzle It is inserted into cleaning solution;Third step promotes piston to move in syringe towards the direction pulling-pushing rod far from delivery nozzle, thus in atmosphere Cleaning solution enters in fluid reservoir under the action of pressure;Delivery nozzle lid is covered in delivery nozzle and seals up going out for delivery nozzle by the 4th step Mouthful;Then one end push rod that delivery nozzle lid is equipped with delivery nozzle towards syringe is removed when the 5th step, cleaning, push rod drives piston press The indoor physiological saline of liquid storage and physiological saline is exported from delivery nozzle, make in last delivery nozzle filling head insertion delivery nozzle The cleaning solution obtained in liquid storage chamber is completely exhausted out.In third step, push rod moves first segment and makes between first segment and second segment The pressure in space declines, and cleaning solution enters fluid reservoir and goes to drive second segment mobile towards first segment under atmospheric pressure;The Delivery nozzle lid is connected in delivery nozzle by flexible sealing fin in four steps seals up delivery nozzle, and flexible sealing fin is far from delivery nozzle Side it is exposed in an atmosphere, after flexible sealing fin seals up delivery nozzle, further towards far from delivery nozzle direction pulling-pushing rod And drive piston mobile so that generating negative pressure in fluid reservoir, which seal flexible sealing fin more reliably It is connected in delivery nozzle.When the indoor negative pressure of liquid storage reaches sets requirement flexible sealing fin is sealed against in 4th step When in delivery nozzle, push rod and syringe, which are fixed together, by fixed mechanism prevents piston from generating interior move and influencing flexible sealing The sealing effect of piece;In 5th step, first release the positioning action of fixed mechanism, then mobile putter and make fluid reservoir in generation Delivery nozzle lid is removed after positive pressure again, so that suction function in physiological saline be avoided to interfere removing and causing to remove for delivery nozzle lid Flexible sealing fin is damaged when delivery nozzle lid.The process of fixed mechanism is released in 5th step are as follows: inside push away unlock rod, unlock rod driving pushes away In the solution lockhole for grabbing insertion lock pin, push away when grabbing insertion solution lockhole with guide surface cooperate and drive lock pin towards inside contract in push rod to It is extracted out of lockhole, all lock pins, which all drive by same root unlock rod, to be realized from determining to extract in hole.

Claims (10)

1. a kind of washer for setting delivery nozzle plug including syringe, seals the piston being slidably connected in syringe and is connected to work The other end of the push rod that one end of slave syringe beyond the Great Wall is stretched out, the syringe is equipped with delivery nozzle, which is characterized in that on the piston Equipped with delivery nozzle filling head, it is removably connected with the delivery nozzle lid for closing the delivery nozzle in the delivery nozzle, the syringe, Fluid reservoir is formed between piston and delivery nozzle, stores cleaning solution in the fluid reservoir;The piston, which is moved to, is connected to syringe When on one end equipped with delivery nozzle, it is zero that spatial volume is formed by between the syringe and piston, the delivery nozzle filling head It is threaded through in the delivery nozzle.
2. the washer according to claim 1 for setting delivery nozzle plug, which is characterized in that the piston, which is moved to, to be connected to When syringe is equipped on one end of delivery nozzle, the delivery nozzle filling head is threaded through in the delivery nozzle and fills the whole of full delivery nozzle A inner space.
3. the washer according to claim 1 or 2 for setting delivery nozzle plug, which is characterized in that the piston includes first Section and second segment, the first segment can divide between the first segment and second segment between the second segment and delivery nozzle It closes, the push rod connection second segment is far from one end of first segment.
4. the washer according to claim 1 or 2 for setting delivery nozzle plug, which is characterized in that be connected on the syringe The inner surface of the connector sleeve being set in outside delivery nozzle, the connector sleeve is equipped with internal screw thread, and the delivery nozzle lid includes tube body With the flexible sealing fin for by the inner space seal isolation of tube body being two parts, the tube body is equipped with and is set in the delivery nozzle On external thread sleeve section, the external thread sleeve section is threaded in the connector sleeve, and the delivery nozzle lid passes through the flexibility Diaphragm seal seals against on the port of the delivery nozzle and closes delivery nozzle, and the flexible sealing fin is in the fluid reservoir The port of the delivery nozzle is closed under the differential pressure action of inside and outside towards delivery nozzle sunken inside.
5. the washer according to claim 4 for setting delivery nozzle plug, which is characterized in that the flexible sealing fin is described Under the differential pressure action of fluid reservoir inside and outside towards delivery nozzle sunken inside and when closing the port of the delivery nozzle, the push rod and It is fixed together between syringe by fixed mechanism;The fixed mechanism includes along the axially extending perforation push rod of push rod far from living The unlock rod mounting hole for filling in the end face of one end, is arranged on the circumferential surface of push rod the unlock rod being threaded through in unlock rod mounting hole Lock pin mounting hole, the lockhole being arranged on the inner peripheral surface of syringe, the lock pin being threaded through in lock pin mounting hole and driving lock pin stretch out Lock pin mounting hole and be inserted into the lock pin driving spring in the lockhole, the inner end of the unlock rod is equipped with to push away and grab, and the lock pin is set Have a Xie Suokong, be equipped with guide surface in the solution lockhole, when driving unlock rod insertion push rod described in push away and grab insertion solution lockhole and squeeze For the guide surface to driving lock pin to extract out of lockhole, the fixed mechanism further includes that the driving being arranged in push rod is pushed away to grab and pulled out The unlock rod reset spring of the solution lockhole out.
6. the washer according to claim 5 for setting delivery nozzle plug, which is characterized in that the lock pin mounting hole has two A, two lock pin mounting holes are along the circumferentially distributed of push rod, two lock pin mounting hole connections, being total in two lock pin mounting holes Two lock pins of meter share a lock pin driving spring.
7. a kind of washer for setting delivery nozzle plug suitable for the washer described in claim 1 for setting delivery nozzle plug fills row Liquid method, which is characterized in that the first step makes piston be moved to syringe to convey to final position equipped with one end of delivery nozzle Mouth filling head is threaded through in the delivery nozzle;Delivery nozzle is inserted into cleaning solution by second step;Third step, towards far from delivery nozzle Direction pulling-pushing rod and promote piston to move in syringe, so that cleaning solution enters in fluid reservoir under atmospheric pressure;4th Delivery nozzle lid is covered the outlet in delivery nozzle and sealing up delivery nozzle by step;Delivery nozzle lid then court is removed when the 5th step, cleaning Syringe be equipped with delivery nozzle one end push rod, push rod driving the indoor physiological saline of piston press liquid storage and make physiological saline from Delivery nozzle output, last delivery nozzle filling head insertion delivery nozzle is interior and the cleaning solution in liquid storage chamber is completely exhausted out.
8. the washer according to claim 7 for setting delivery nozzle plug fills fluid-discharge method, which is characterized in that in third step, Push rod moves first segment and the pressure in the space between first segment and second segment is declined, under atmospheric pressure cleaning solution Go driving second segment mobile towards first segment into fluid reservoir;Delivery nozzle lid is connected to conveying by flexible sealing fin in 4th step Delivery nozzle is sealed up on mouth, side of the flexible sealing fin far from delivery nozzle is exposed in an atmosphere, when flexible sealing fin seals up After delivery nozzle, further drive piston mobile so that generating in fluid reservoir negative towards the direction pulling-pushing rod far from delivery nozzle Pressure, the suction function seal against flexible sealing fin more reliably in delivery nozzle.
9. it is according to claim 8 set delivery nozzle plug washer fill fluid-discharge method, which is characterized in that in the 4th step when The indoor negative pressure of liquid storage reaches sets requirement and flexible sealing fin is sealed against when in delivery nozzle, will by fixed mechanism Push rod and syringe are fixed together and prevent the sealing effect for moving and influencing flexible sealing fin in piston generation;In 5th step, first Release the positioning action of fixed mechanism, then mobile putter and remove delivery nozzle lid again after making fluid reservoir in generation positive pressure, from And suction function in physiological saline is avoided to interfere removing and causing to damage flexible sealing when removing delivery nozzle lid for delivery nozzle lid Piece.
10. the washer according to claim 9 for setting delivery nozzle plug fills fluid-discharge method, which is characterized in that in the 5th step Release the process of fixed mechanism are as follows: inside push away unlock rod, unlock rod driving pushes away in the solution lockhole for grabbing insertion lock pin, pushes away and grabs insertion unlock Kong Shitong guide surface cooperates and drives lock pin all lock pins all pass through same towards inside contracting in push rod to extract out of lockhole Root unlock rod is driven and is realized from determining to extract in hole.
CN201910028926.4A 2019-01-12 2019-01-12 Cleaning device with conveying nozzle plug Expired - Fee Related CN109772823B (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
CN201910028926.4A CN109772823B (en) 2019-01-12 2019-01-12 Cleaning device with conveying nozzle plug
CN202010860069.7A CN112122268A (en) 2019-01-12 2019-01-12 Cleaner with conveying nozzle plug and liquid filling and draining method thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201910028926.4A CN109772823B (en) 2019-01-12 2019-01-12 Cleaning device with conveying nozzle plug

Related Child Applications (1)

Application Number Title Priority Date Filing Date
CN202010860069.7A Division CN112122268A (en) 2019-01-12 2019-01-12 Cleaner with conveying nozzle plug and liquid filling and draining method thereof

Publications (2)

Publication Number Publication Date
CN109772823A true CN109772823A (en) 2019-05-21
CN109772823B CN109772823B (en) 2020-10-27

Family

ID=66500351

Family Applications (2)

Application Number Title Priority Date Filing Date
CN201910028926.4A Expired - Fee Related CN109772823B (en) 2019-01-12 2019-01-12 Cleaning device with conveying nozzle plug
CN202010860069.7A Withdrawn CN112122268A (en) 2019-01-12 2019-01-12 Cleaner with conveying nozzle plug and liquid filling and draining method thereof

Family Applications After (1)

Application Number Title Priority Date Filing Date
CN202010860069.7A Withdrawn CN112122268A (en) 2019-01-12 2019-01-12 Cleaner with conveying nozzle plug and liquid filling and draining method thereof

Country Status (1)

Country Link
CN (2) CN109772823B (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2021051350A1 (en) * 2019-09-19 2021-03-25 群康生技股份有限公司 Common injection device

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2218473B1 (en) * 2009-02-11 2011-08-17 Nils Leuzinger Injection device with pressure dampening for the injection of a fluid
CN201949452U (en) * 2011-01-21 2011-08-31 河南曙光健士医疗器械集团有限公司 Automatic liquid medicine closing valve
CN202387060U (en) * 2011-12-12 2012-08-22 天津市岳泰创新科技服务有限公司 Novel injector
CN203837581U (en) * 2014-05-20 2014-09-17 浙江华安安全设备有限公司 Telescoping mechanism of spontoon
WO2015071352A1 (en) * 2013-11-14 2015-05-21 Sfm Medical Devices Gmbh Syringe for sequential injection of active ingredients
CN105879146A (en) * 2016-05-22 2016-08-24 江西三鑫医疗科技股份有限公司 Portable low-residue blood-return-proof pre-flushing type disinfection syringe

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2218473B1 (en) * 2009-02-11 2011-08-17 Nils Leuzinger Injection device with pressure dampening for the injection of a fluid
CN201949452U (en) * 2011-01-21 2011-08-31 河南曙光健士医疗器械集团有限公司 Automatic liquid medicine closing valve
CN202387060U (en) * 2011-12-12 2012-08-22 天津市岳泰创新科技服务有限公司 Novel injector
WO2015071352A1 (en) * 2013-11-14 2015-05-21 Sfm Medical Devices Gmbh Syringe for sequential injection of active ingredients
CN203837581U (en) * 2014-05-20 2014-09-17 浙江华安安全设备有限公司 Telescoping mechanism of spontoon
CN105879146A (en) * 2016-05-22 2016-08-24 江西三鑫医疗科技股份有限公司 Portable low-residue blood-return-proof pre-flushing type disinfection syringe

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2021051350A1 (en) * 2019-09-19 2021-03-25 群康生技股份有限公司 Common injection device

Also Published As

Publication number Publication date
CN112122268A (en) 2020-12-25
CN109772823B (en) 2020-10-27

Similar Documents

Publication Publication Date Title
JP6527634B2 (en) Two sleeve drainage tube
CN109772823A (en) If the washer and its filling fluid-discharge method of delivery nozzle plug
CN210494861U (en) Improved catheter
EP2559398A2 (en) Injector for dental implants
CN110237405A (en) Multi-functional urethral catheter
CN205964597U (en) Improvement formula bladder washing unit
CN213821823U (en) High-pressure flushing device for oral objects for department of stomatology
CN206026750U (en) Multi -functional medical negative pressure drainage device
CN108295354A (en) A kind of suction type orthopedic drainage tube
CN102178987A (en) Continuous negative pressure rinser
CN203090034U (en) Eye lacrimal passage washing device
CN109647808B (en) Pre-filled catheter flusher and pre-filled catheter flusher assemble output method
CN202982373U (en) Ophthalmic intraoperative anterior-chamber irrigation duplex infusion-aspiration syringe
CN209629886U (en) Medical oral cavity flusher
CN206652039U (en) A kind of leakproof water syringe
CN220572450U (en) Novel negative pressure flushing drainage device
CN102335464A (en) Injection and suction pump for removing thrombus
CN204995860U (en) Urinary surgery urine catheterization device
CN210250690U (en) Special drainage device of medical treatment intracardiac branch of academic or vocational study
CN203303409U (en) Breast augmentation injection material out-taking washing device
CN213554116U (en) Puncture outfit for thoracic surgery
CN205866875U (en) Oral cavity cleaner
CN211434384U (en) Foot-operated surgery washing and suction integrated device
CN203400217U (en) Gun type oral cavity flusher
CN209301391U (en) A kind of animal medicine feed device of animal and veterinary

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
CB03 Change of inventor or designer information
CB03 Change of inventor or designer information

Inventor after: Zhong Yuanbo

Inventor after: Shan Aijun

Inventor after: Wang Jin

Inventor after: Wei Weiming

Inventor before: Wei Weiming

TA01 Transfer of patent application right
TA01 Transfer of patent application right

Effective date of registration: 20200927

Address after: 518020 No. 1017 Dongmen North Road, Shenzhen, Guangdong, Luohu District

Applicant after: SHENZHEN PEOPLE'S Hospital

Address before: 324100 Sandaowan 38, Qinghu Town, Jiangshan City, Quzhou City, Zhejiang Province

Applicant before: JIANGSHAN GENZHENG TECHNOLOGY Co.,Ltd.

GR01 Patent grant
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20201027

Termination date: 20220112