CN110496268A - A kind of venous detaining needle and its extracting apparatus - Google Patents
A kind of venous detaining needle and its extracting apparatus Download PDFInfo
- Publication number
- CN110496268A CN110496268A CN201910536432.7A CN201910536432A CN110496268A CN 110496268 A CN110496268 A CN 110496268A CN 201910536432 A CN201910536432 A CN 201910536432A CN 110496268 A CN110496268 A CN 110496268A
- Authority
- CN
- China
- Prior art keywords
- needle
- venous detaining
- conduit
- extracting apparatus
- pipeline section
- 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.)
- Pending
Links
- 208000007536 Thrombosis Diseases 0.000 claims abstract description 18
- 210000004204 blood vessel Anatomy 0.000 claims abstract description 7
- 238000001802 infusion Methods 0.000 claims abstract description 6
- 239000000284 extract Substances 0.000 claims description 7
- 210000003462 vein Anatomy 0.000 claims description 7
- 238000000605 extraction Methods 0.000 claims description 5
- 238000007599 discharging Methods 0.000 claims description 2
- 230000001737 promoting effect Effects 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 239000003527 fibrinolytic agent Substances 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000474 nursing effect Effects 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- 210000001364 upper extremity Anatomy 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
- A61M5/14—Infusion devices, e.g. infusing by gravity; Blood infusion; Accessories therefor
- A61M5/158—Needles for infusions; Accessories therefor, e.g. for inserting infusion needles, or for holding them on the body
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
- A61M5/14—Infusion devices, e.g. infusing by gravity; Blood infusion; Accessories therefor
- A61M5/158—Needles for infusions; Accessories therefor, e.g. for inserting infusion needles, or for holding them on the body
- A61M2005/1583—Needle extractors
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
- A61M5/14—Infusion devices, e.g. infusing by gravity; Blood infusion; Accessories therefor
- A61M5/158—Needles for infusions; Accessories therefor, e.g. for inserting infusion needles, or for holding them on the body
- A61M2005/1587—Needles for infusions; Accessories therefor, e.g. for inserting infusion needles, or for holding them on the body suitable for being connected to an infusion line after insertion into a patient
Landscapes
- Health & Medical Sciences (AREA)
- Vascular Medicine (AREA)
- Engineering & Computer Science (AREA)
- Anesthesiology (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Hematology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Infusion, Injection, And Reservoir Apparatuses (AREA)
Abstract
The invention discloses a kind of venous detaining needles, including needle core, casing and needle stand, described sleeve pipe has the pipeline section A and pipeline section B that the axial direction along gradually its remote free end is sequentially arranged, when infusion, the pipeline section A is left to remain in blood vessels and forms lateral thrombus in the outside of the pipeline section A, the outer diameter of the pipeline section A is D1, the radial height of the lateral thrombus is H, it is characterized in that, when pulling out needle, the outside coaxial sleeve of the pipeline section B is equipped with conduit and the conduit coaxially passes through puncturing hole, the aperture of the outer diameter of the conduit and the puncturing hole is D2, D2-D1 > 2H.Venous detaining needle disclosed by the invention, by the way that conduit is arranged, ensure conduit across puncturing hole so that the aperture increases of puncturing hole before pulling out needle, at this time, when the aperture of puncturing hole has little time to reduce, venous detaining needle is quickly extracted, the thrombus being attached on casing can also pass through puncturing hole, lateral thrombus is taken out of while pulling out needle to realize, there is extensive promotional value.
Description
Technical field
The present invention relates to medical instruments fields, and in particular to a kind of venous detaining needle and its extracting apparatus.
Background technique
Venous detaining needle is also known as trochar, and venous detaining needle has easy to operate, soft sleeve, casing indwelling in vein
Time is long, is not easy the advantages that wearing out blood vessel, alleviates the pain that patient punctures repeatedly, alleviates the workload of nursing staff, In
It is clinically deep to be suffered from welcome by shield.
Since the casing of venous detaining needle wants the long period to stop in the blood vessel, lead to the ratio of veins of upper extremity thrombosis
More than 47%, when pulling out needle, the thrombus being attached on casing can not cause casing to be pulled out by puncturing hole, but thrombus is also
It stops in the blood vessel, most common method is the processing of thrombolytic drug injection.
Summary of the invention
The object of the present invention is to provide a kind of venous detaining needle and its extracting apparatus, can be when pulling out needle by lateral thrombus band
It is external out.
For achieving the above object, present invention offer technical solution below: a kind of venous detaining needle, including needle core,
Casing and needle stand, described sleeve pipe have the pipeline section A and pipeline section B that the axial direction along gradually its remote free end is sequentially arranged, infusion
When, the pipeline section A is left to remain in blood vessels and forms lateral thrombus in the outside of the pipeline section A, and the outer diameter of the pipeline section A is D1, institute
The radial height for stating lateral thrombus is H, and when pulling out needle, the outside coaxial sleeve of the pipeline section B is equipped with conduit and the conduit is coaxially worn
Cross puncturing hole, the aperture of the outer diameter of the conduit and the puncturing hole is D2, D2-D1 > 2H.
In above-mentioned technical proposal, the conduit is structure as a whole with described sleeve pipe.
In above-mentioned technical proposal, the conduit and described sleeve pipe are separate structure.
The present invention also provides another technical solutions: a kind of extracting apparatus of venous detaining needle, for extracting institute as above
The venous detaining needle stated, the extracting apparatus include:
Sliding rail is extracted direction along the venous detaining needle and is extended；
Sliding block is slidably connected on the sliding rail and connect with the venous detaining needle；
First elastic reseting part, sliding block described in the reset response power drive after deformation is along the sliding rail towards the vein
Remaining needle extracts direction sliding.
In above-mentioned technical proposal, the sliding block is additionally provided with the clamping device for gripping the venous detaining needle.
In above-mentioned technical proposal, the sliding block, which is additionally provided with, to be locked in forcing the first elastic reseting part deformation
The locking unlocking mechanism of position.
In above-mentioned technical proposal, the locking unlocking mechanism includes:
Ratchet bar is set on the sliding block；
Pawl is moved with the ratchet bar with the limitation sliding block edge extraction direction is merged；
Second elastic reseting part, pawl described in the reset response power drive after deformation is along the side for discharging the ratchet bar
To rotation；
Unlocking part forces the second elastic reseting part deformation or release second elastic reseting part.
In above-mentioned technical proposal, the sliding block is additionally provided with handle.
In above-mentioned technical proposal, the extracting apparatus further includes limited block, and the limited block limits the sliding block described in
Sliding rail extracts direction towards the venous detaining needle and slides reached position.
In above-mentioned technical proposal, the extracting apparatus further includes mounting blocks, and first elastic reseting part is to be supported in
Pressure spring between the sliding block and the mounting blocks.
Since above-mentioned technical proposal is used, compared with the prior art, the present invention has the following advantages:
1) venous detaining needle disclosed by the invention, by be arranged conduit, ensure before pulling out needle conduit pass through puncturing hole so that
The aperture increases of puncturing hole, at this point, quickly extracting venous detaining needle when the aperture of puncturing hole has little time to reduce, being attached to set
Thrombus on pipe also can take lateral thrombus out of while pulling out needle to realize, have extensive promotional value by puncturing hole；
2) when venous detaining needle disclosed by the invention, conduit and casing are structure as a whole, on the one hand, operation can be made more
Simply, the step of in addition assembling conduit and casing is not needed, conduit extraction whether synchronous with casing, another party are also needed not worry about
The position rounding off of variable diameter can be reduced the unexpected injury to puncturing hole by face；
3) when venous detaining needle disclosed by the invention, conduit and casing are separate structure, on the one hand, can be directly using existing
On the other hand some venous detaining needles can select the outer diameter of conduit according to the flexible in size of lateral thrombus；
4) extracting apparatus of venous detaining needle disclosed by the invention, by the way that sliding rail, sliding block, the first elastic reset portion is arranged
On the one hand part can guarantee to extract direction, on the other hand can guarantee to extract speed；
5) extracting apparatus of venous detaining needle disclosed by the invention may be implemented to stay vein by the way that clamping device is arranged
Set the fixation of needle；
6) extracting apparatus of venous detaining needle disclosed by the invention locks unlocking mechanism by setting, and it is accurate to may be implemented
Storage power, guarantee extract speed；
7) extracting apparatus of venous detaining needle disclosed by the invention facilitates by the way that handle is arranged and pushes sliding block compressing elasticity
Reset components；
8) extracting apparatus disclosed by the invention, by the way that limited block is arranged, sliding block is without departing from sliding rail.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of venous detaining needle disclosed by the invention；
Fig. 2 is the structural schematic diagram of the extracting apparatus of venous detaining needle disclosed by the invention.
Specific embodiment
The present invention is further described below with reference to the principle of the present invention, attached drawing and embodiment
Referring to Fig. 1, as shown in legend therein, a kind of venous detaining needle, including needle core 110, casing 120 and needle stand
130, casing 120 has a pipeline section A121 and pipeline section B122 that the axial direction along gradually its remote free end is sequentially arranged, when infusion, pipe
Section A121 is stayed in blood vessel 210 and is formed lateral thrombus 220 in the outside of pipeline section A121, and the outer diameter of pipeline section A121 is D1, attached wall
The radial height of thrombus 220 is H, and when pulling out needle, the outside coaxial sleeve of pipeline section B122 is equipped with conduit 140 and conduit 140 coaxially passes through
Puncturing hole 230, the outer diameter of conduit 140 and the aperture of puncturing hole 230 are D2, D2-D1 > 2H.
In a kind of embodiment, the casing of conduit 140 and 120 is structure as a whole.
In a kind of embodiment, conduit 140 and casing 120 are separate structure.
It, can also be before infusion terminates to extract even if conduit can be located in puncturing hole in infusion in practical operation
It is located at conduit in puncturing hole, the whole quickly extraction of venous detaining needle is external, it can also have not enough time to receive in puncturing hole aperture
Just lateral thrombus is taken out of together when contracting external.
Embodiment two
Referring to fig. 2, as shown in legend therein, a kind of extracting apparatus of venous detaining needle is as described above for extracting
Venous detaining needle, above-mentioned extracting apparatus include:
Sliding rail 310 is extracted direction along venous detaining needle and is extended；
Sliding block 320 is slidably connected on sliding rail 310 and connect with venous detaining needle；
First elastic reseting part 330, the reset response power drive sliding block 320 after deformation are stayed along sliding rail 310 towards vein
It sets needle and extracts direction sliding.
In a kind of embodiment, sliding block 320 is additionally provided with the clamping device 321 for gripping venous detaining needle.
In a kind of embodiment, sliding block 320, which is additionally provided with, to be locked in the position for forcing 330 deformation of the first elastic reseting part
The locking unlocking mechanism set.
In a kind of embodiment, above-mentioned locking unlocking mechanism includes:
Ratchet bar 322 is set on sliding block 320；
Pawl 323, with ratchet bar 322 with merges limitation sliding block 320 along extraction direction move；
Second elastic reseting part 324, the reset response power drive pawl 323 after deformation is along release ratchet bar 322
Direction rotation；
Unlocking part 325 forces the second elastic reseting part 324 of 324 deformation of the second elastic reseting part or release.
In a kind of embodiment, sliding block 320 is additionally provided with handle 326.
In a kind of embodiment, above-mentioned extracting apparatus further includes limited block 340, and 340 position limiting slide block 320 of limited block is along sliding rail
310, which extract direction towards venous detaining needle, slides reached position.
In a kind of embodiment, above-mentioned extracting apparatus further includes mounting blocks 350, and the first elastic reseting part 330 is support
Pressure spring between sliding block 320 and mounting blocks 350.
Firstly, oppressing the first elastic reseting part by handle band movable slider makes its deformation and by locking unlocking mechanism lock
Then the position of fixed slider is unlocked by unlocking part, the reset response power band movable slider of the first elastic reseting part is fast
Ski-running is dynamic, and then whole venous detaining needle is driven to extract.
The foregoing description of the disclosed embodiments enables those skilled in the art to implement or use the present invention.
Various modifications to these embodiments will be readily apparent to those skilled in the art, as defined herein
General Principle can be realized in other embodiments without departing from the spirit or scope of the present invention.Therefore, of the invention
It is not intended to be limited to the embodiments shown herein, and is to fit to and the principles and novel features disclosed herein phase one
The widest scope of cause.
Claims (10)
1. a kind of venous detaining needle, including needle core, casing and needle stand, described sleeve pipe has the axial direction side along gradually its remote free end
To the pipeline section A and pipeline section B being sequentially arranged, when infusion, the pipeline section A is left to remain in blood vessels and is formed in the outside of the pipeline section A attached
Wall thrombus, the outer diameter of the pipeline section A are D1, and the radial height of the lateral thrombus is H, which is characterized in that when pulling out needle, the pipe
The outside coaxial sleeve of section B is equipped with conduit and the conduit and coaxially passes through puncturing hole, the outer diameter of the conduit and the puncturing hole
Aperture is D2, D2-D1 > 2H.
2. venous detaining needle according to claim 1, which is characterized in that the conduit is structure as a whole with described sleeve pipe.
3. venous detaining needle according to claim 1, which is characterized in that the conduit is separate structure with described sleeve pipe.
4. a kind of extracting apparatus of venous detaining needle, which is characterized in that the vein for extracting as described in claims 1 to 3 stays
Needle is set, the extracting apparatus includes:
Sliding rail is extracted direction along the venous detaining needle and is extended；
Sliding block is slidably connected on the sliding rail and connect with the venous detaining needle；
First elastic reseting part, sliding block described in the reset response power drive after deformation is along the sliding rail towards gradually remote described first
The venous detaining needle of limited block extracts direction sliding.
5. extracting apparatus according to claim 4, which is characterized in that the sliding block, which is additionally provided with, to be gripped the vein and stay
Set the clamping device of needle.
6. extracting apparatus according to claim 4, which is characterized in that the sliding block be additionally provided be locked it is described in forcing
The locking unlocking mechanism of the position of first elastic reseting part deformation.
7. extracting apparatus according to claim 6, which is characterized in that the locking unlocking mechanism includes:
Ratchet bar is set on the sliding block；
Pawl is moved with the ratchet bar with the limitation sliding block edge extraction direction is merged；
Second elastic reseting part, pawl described in the reset response power drive after deformation turn along the direction for discharging the ratchet bar
It is dynamic；
Unlocking part forces the second elastic reseting part deformation or release second elastic reseting part.
8. extracting apparatus according to claim 4, which is characterized in that the sliding block is additionally provided with handle.
9. extracting apparatus according to claim 4, which is characterized in that the extracting apparatus further includes limited block, the limit
Position block limits the sliding block and extracts the reached position of direction sliding towards the venous detaining needle along the sliding rail.
10. extracting apparatus according to claim 4, which is characterized in that the extracting apparatus further includes mounting blocks, and described
One elastic reseting part is the pressure spring being supported between the sliding block and the mounting blocks.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910536432.7A CN110496268A (en) | 2019-06-20 | 2019-06-20 | A kind of venous detaining needle and its extracting apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910536432.7A CN110496268A (en) | 2019-06-20 | 2019-06-20 | A kind of venous detaining needle and its extracting apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110496268A true CN110496268A (en) | 2019-11-26 |
Family
ID=68586019
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910536432.7A Pending CN110496268A (en) | 2019-06-20 | 2019-06-20 | A kind of venous detaining needle and its extracting apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110496268A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113509247A (en) * | 2021-07-23 | 2021-10-19 | 北京箴石医疗科技有限公司 | Operation puncture device |
Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006247105A (en) * | 2005-03-10 | 2006-09-21 | Jiro Irisawa | Intravenous indwelling needle punctured after assembling infusion circuit |
| US20100228268A1 (en) * | 2006-08-09 | 2010-09-09 | Toshio Hiranuma | Surgical staple remover |
| CN201578659U (en) * | 2009-12-30 | 2010-09-15 | 孙岩 | Automatic needle withdrawing device |
| CN201855477U (en) * | 2010-10-29 | 2011-06-08 | 中国人民解放军第三军医大学第一附属医院 | Needle withdrawing core cover for venous retention needle |
| WO2014032284A1 (en) * | 2012-08-31 | 2014-03-06 | 福建省百仕韦医用高分子股份有限公司 | Automatically withdrawing open remaining needle with telescopic protective jacket |
| WO2014063347A1 (en) * | 2012-10-26 | 2014-05-01 | Zhang Jianming | Automatic needle withdrawing integral vacuum blood sampling apparatus with needle tip protective sleeve |
| CN204050487U (en) * | 2014-08-07 | 2014-12-31 | 刘许亮 | A kind of automatic needle withdrawing device |
| CN205073417U (en) * | 2015-10-30 | 2016-03-09 | 南阳医学高等专科学校第一附属医院 | Pin extractor |
| CN205434566U (en) * | 2015-12-31 | 2016-08-10 | 刘凡 | Can singlehandedly pull out infusion syringe needle of needle operation |
| JP6261150B1 (en) * | 2017-01-11 | 2018-01-17 | 公立大学法人奈良県立医科大学 | Huber needle extractor and method for manufacturing the same |
| CN108607132A (en) * | 2018-03-23 | 2018-10-02 | 鲍天琪 | One kind is medical to pull out needle assemblies |
| CN210844673U (en) * | 2019-06-20 | 2020-06-26 | 苏州大学 | Venous indwelling needle and pulling-out device thereof |
-
2019
- 2019-06-20 CN CN201910536432.7A patent/CN110496268A/en active Pending
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006247105A (en) * | 2005-03-10 | 2006-09-21 | Jiro Irisawa | Intravenous indwelling needle punctured after assembling infusion circuit |
| US20100228268A1 (en) * | 2006-08-09 | 2010-09-09 | Toshio Hiranuma | Surgical staple remover |
| CN201578659U (en) * | 2009-12-30 | 2010-09-15 | 孙岩 | Automatic needle withdrawing device |
| CN201855477U (en) * | 2010-10-29 | 2011-06-08 | 中国人民解放军第三军医大学第一附属医院 | Needle withdrawing core cover for venous retention needle |
| WO2014032284A1 (en) * | 2012-08-31 | 2014-03-06 | 福建省百仕韦医用高分子股份有限公司 | Automatically withdrawing open remaining needle with telescopic protective jacket |
| WO2014063347A1 (en) * | 2012-10-26 | 2014-05-01 | Zhang Jianming | Automatic needle withdrawing integral vacuum blood sampling apparatus with needle tip protective sleeve |
| CN204050487U (en) * | 2014-08-07 | 2014-12-31 | 刘许亮 | A kind of automatic needle withdrawing device |
| CN205073417U (en) * | 2015-10-30 | 2016-03-09 | 南阳医学高等专科学校第一附属医院 | Pin extractor |
| CN205434566U (en) * | 2015-12-31 | 2016-08-10 | 刘凡 | Can singlehandedly pull out infusion syringe needle of needle operation |
| JP6261150B1 (en) * | 2017-01-11 | 2018-01-17 | 公立大学法人奈良県立医科大学 | Huber needle extractor and method for manufacturing the same |
| CN108607132A (en) * | 2018-03-23 | 2018-10-02 | 鲍天琪 | One kind is medical to pull out needle assemblies |
| CN210844673U (en) * | 2019-06-20 | 2020-06-26 | 苏州大学 | Venous indwelling needle and pulling-out device thereof |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113509247A (en) * | 2021-07-23 | 2021-10-19 | 北京箴石医疗科技有限公司 | Operation puncture device |
| CN113509247B (en) * | 2021-07-23 | 2023-04-11 | 北京箴石医疗科技有限公司 | Operation puncture device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108903953B (en) | Safe blood taking needle structure | |
| CN106859741A (en) | A kind of guided puncture institute indwelling drainage tube moves under water the device inserted | |
| CN110496268A (en) | A kind of venous detaining needle and its extracting apparatus | |
| CN203710531U (en) | External ventricular drainage device with function of arranging drainage pipe through subcutaneous tunnel | |
| CN106236178B (en) | A kind of lasso apparatus for ligating | |
| CN204709530U (en) | Disposable safe type remaining needle | |
| CN208573802U (en) | A kind of puncture drainage connector | |
| CN206995555U (en) | A kind of protection device of puncture needle Anti-stabbing | |
| CN208626298U (en) | A kind of pleural effusion puncture drainage remaining needle | |
| CN201404580Y (en) | Disposable safe separation type venous indwelling needle | |
| CN208709988U (en) | A kind of device for taking stone out from biliary tract | |
| CN210844673U (en) | Venous indwelling needle and pulling-out device thereof | |
| CN203989261U (en) | Anti-stabbing remaining needle | |
| CN203677101U (en) | Disposable safety venous blood sampling needle | |
| CN206026797U (en) | Syringe needle for endoscope | |
| CN204601346U (en) | A kind of arteriovenous indwelling equipment | |
| CN209500435U (en) | A kind of intravenous infusion needle with anti-needle thorn sheath | |
| CN204147351U (en) | A kind of remaining needle | |
| US2524713A (en) | Vein fixator | |
| CN201609367U (en) | Non-puncture type hemostix | |
| CN209464427U (en) | A kind of safe type retention needle | |
| CN201906251U (en) | Pericardicentesis indwelling drainage device | |
| CN202478301U (en) | Safe indwelling needle | |
| US8740936B2 (en) | Pinch vascular closure apparatus and method | |
| CN207384554U (en) | A kind of Novel intravenous catheter |
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 |