CN106860965A - Inner sleeve type artery and vein puncture remaining needle - Google Patents
Inner sleeve type artery and vein puncture remaining needle Download PDFInfo
- Publication number
- CN106860965A CN106860965A CN201710093352.XA CN201710093352A CN106860965A CN 106860965 A CN106860965 A CN 106860965A CN 201710093352 A CN201710093352 A CN 201710093352A CN 106860965 A CN106860965 A CN 106860965A
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- flexible pipe
- puncture portion
- puncture
- pipe pin
- groove
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Classifications
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- 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
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/34—Trocars; Puncturing needles
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/34—Trocars; Puncturing needles
- A61B17/3417—Details of tips or shafts, e.g. grooves, expandable, bendable; Multiple coaxial sliding cannulas, e.g. for dilating
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/34—Trocars; Puncturing needles
- A61B17/3417—Details of tips or shafts, e.g. grooves, expandable, bendable; Multiple coaxial sliding cannulas, e.g. for dilating
- A61B2017/3454—Details of tips
-
- 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
- A61M2005/1585—Needle inserters
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- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Surgery (AREA)
- Animal Behavior & Ethology (AREA)
- Public Health (AREA)
- Heart & Thoracic Surgery (AREA)
- Biomedical Technology (AREA)
- Veterinary Medicine (AREA)
- Engineering & Computer Science (AREA)
- General Health & Medical Sciences (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Pathology (AREA)
- Medical Informatics (AREA)
- Molecular Biology (AREA)
- Anesthesiology (AREA)
- Hematology (AREA)
- Vascular Medicine (AREA)
- Infusion, Injection, And Reservoir Apparatuses (AREA)
Abstract
This patent belongs to medical instruments field, specifically discloses inner sleeve type artery and vein puncture remaining needle, including：Puncture portion, puncture portion is hollow tubular, and the front end in puncture portion is provided with the needle point of inclined wedge-shaped, groove is radially provided with the side wall in puncture portion；Handheld Division, Handheld Division is provided with mounting groove, and puncture portion is fixed in mounting groove, and the front end in puncture portion is extended；Flexible pipe pin, the push pedal of plastic material is provided with the afterbody of flexible pipe pin, and push pedal is connected with flexible pipe pin, and the downside of the two is embedded in groove and the inwall with puncture portion is slidably connected, and flexible pipe pin is connected with connecting portion, and connecting portion top is fixedly connected with push pedal.Though the present invention is shown in blood back when easily occurring and puncturing for existing remaining needle, flexible pipe pin does not insert the technical problem of blood vessel with draw point core, there is provided a kind of to greatly improve the novel remaining needle for puncturing indwelling success rate.
Description
Technical field
The present invention relates to medical instruments field, and in particular to a kind of inner sleeve type artery and vein puncture remaining needle.
Background technology
Remaining needle is in medical treatment when needing repeatedly to carry out infusion treatment within a certain period of time, in order to mitigate the pain of sufferer
Hardship, and also to the medical device for reducing medical personnel's workload and being commonly used.In 2014, national health State Family Planning Commission with
The form issue of professional standard《Intravenous therapy nursing technical operation specification》, advocate various big hospital and use remaining needle.American-European countries
Only it is the thin patient's single acquisition blood specimen of blood vessel with draw point, other occasions all use remaining needle.And for row surgical operation
Patient, in art in addition to venous transfusion needs to use remaining needle, in addition it is also necessary to carry out lasting invasive arterial pressure monitoring, and by dynamic
Arteries and veins collection arterial blood carries out blood gas analysis, therefore, artery and vein puncture remaining needle is also essential.
Existing remaining needle is typically flexible pipe pin and is wrapped in steel core outside, and flexible pipe pin is slightly shorter than steel core, by steel during puncture
Core and flexible pipe pin are pierced into blood vessel simultaneously, flexible pipe pin are sent into while seeing after blood back and extract steel core out, to reach flexible pipe pin indwelling
Purpose in intravascular.
But in clinic, remaining needle often occurs the situation of puncture failure, cause the success rate one of remaining needle indwelling
Straight not high, one of main reason of puncture failure is put pipe when puncture is needled into after blood vessel sees blood back, overcoat it is soft
Pipe pin is failed to steel core intravasation, i.e. steel core tip punctures blood vessel, and positioned at Ink vessel transfusing, but flexible pipe pin is kept off by vessel outer wall
Firmly, it is introduced into blood vessel, ultimately results in and put tube failure.Such case has generation during artery and vein puncture, and due to dynamic
Difficulty is just high compared with venipuncture in itself for arteries and veins puncture, and arterial wall is bigger compared with wall of vein elasticity, therefore relative mortality is higher.Facing
The situation of retained needle puncture failure happens occasionally in bed, and operation repeatedly significantly increases the pain of patient again, especially for
For the relatively low children of endurance.If remaining needle can once if puncture successfully, then will greatly reduce patient pain.
Therefore, how to improve that retained needle puncture puts the mode of pipe and to improve indwelling success rate be that clinical staff is being explored for it always
Problem.
The content of the invention
Easily there is flexible pipe pin not with the technical problem of steel core intravasation for existing remaining needle in the present invention, there is provided one
Plant inner sleeve type artery and vein puncture remaining needle.
This programme provide base case be：Inner sleeve type artery and vein puncture remaining needle, including：
Puncture portion, puncture portion is hollow tubular, and the front end in puncture portion is provided with the needle point of inclined wedge-shaped, edge on the side wall in puncture portion
It is radially provided with groove；
Handheld Division, Handheld Division is provided with mounting groove, and puncture portion is fixed in mounting groove, and the front end in puncture portion is extended；
Flexible pipe pin, the push pedal of plastic material is provided with the afterbody of flexible pipe pin, and push pedal is connected with flexible pipe pin, the downside of the two
It is embedded in groove and the inwall with puncture portion is slidably connected, flexible pipe pin is connected with connecting portion, connecting portion top is consolidated with push pedal
Fixed connection.
The operation principle and advantage of this programme be：When in use, flexible pipe pin is inner cased type, i.e., flexible pipe pin is to be located to puncture
Inside portion.Medical personnel pinch Handheld Division with hand, because puncture portion is fixed with Handheld Division, so medical personnel can be easily
The skin and blood vessel of patient are pierced through with puncture portion.Puncture portion wraps flexible pipe pin, and in puncture portion, intravasation sees blood back
Afterwards, you can touch push pedal forward, push pedal is connected with flexible pipe pin, and the embedded groove in the downside of the two is simultaneously interior with puncture portion
Wall is slidably connected, and during push pedal is touched, flexible pipe pin can be allowed to expose from the needle point in puncture portion, now again by puncture portion from blood
Extracted out in pipe.
Flexible pipe pin is flushed with the downside of push pedal, and the two downside is embedded in groove and is slided with the inwall in puncture portion and connects
Connect, during push pedal is touched, push pedal and flexible pipe pin are slided each along the inwall in puncture portion.In puncture portion from the blood vessel of patient
After middle extraction, push pedal is continued to press on, flexible pipe pin is fully recessed into Ink vessel transfusing, Handheld Division and puncture portion are taken advantage of a situation by groove then
Skid off, reach the purpose only by the indwelling of flexible pipe pin in the blood vessel.In puncture portion is pierced into the vascular process of patient, due to puncture portion
On offer groove, under normal circumstances, it is that wound can not be healed that groove is played, and accelerates bloodletting effect.But in this programme,
Flexible pipe pin is located at the inside in puncture portion, and blood vessel is pierced through in puncture portion, and during touching push pedal, the needle point of flexible pipe pin is from puncture
After the tip in portion is exposed, now the tip of flexible pipe pin is directly exposed in the blood of flowing, under the washing away of blood, flexible pipe pin
Tip can irregular swing in blood.Flexible pipe pin state in blood is the same just as being that silk ribbon waves in wind.Blood
Blood in pipe during outwards being sprung up by groove, due to endovascular pressure be higher than EV pressure, in pressure
In the presence of difference, flexible pipe pin can block groove, and anti-Hemostatic Oral Liquid is flowed out by groove.Flexible pipe pin irregular fluctuation energy in blood
Enough allow flexible pipe pin faster to block groove, prevent the situation that blood is directly gushed out from groove.
After puncture portion is extracted out, the tube wall of blood vessel has stronger elasticity, the wound meeting that puncture portion leaves on vascular wall
There is an action tightened up, the action that this is tightened up can allow wound banding flexible pipe pin, it is to avoid blood flows out along wound.It is existing to stay
It is that after steel core punctures vascular wall, flexible pipe pin is pierced into Ink vessel transfusing further along steel core, and in this process, flexible pipe pin is to strut to put pin
The wound that steel core leaves, just enters into blood vessel.Existing mode, easily causes secondary damage, this programme to exist to vascular wall
Puncture after vascular wall, allow blood vessel to have an action tightened up, secondary damage will not be caused to vascular wall, be conducive to being created on blood vessel
The healing of mouth.
Existing retained needle puncture portion is not provided with groove, in blood vessel is pierced through in the puncture portion without groove, on blood vessel
A wound for circle is caused, next piece of rounded vascular wall tissue can be cut from vascular wall, when vascular wall heals, blood
Tube wall needs the wound for circle that heals.Groove is provided with puncture portion in this programme, is equal to the tip in puncture portion
On opened up a breach, puncture portion pierce through blood vessel after, vascular wall some be cut open, also one tissue and blood vessel
Wall is connected, and is equal to and a door for being capable of folding has been opened up on vascular wall.When vascular wall heals, vascular wall needs this programme
One gap of arc of healing.Compared with prior art, using the patient of this programme, vascular wall can heal faster.
This programme inner sleeve type inner sleeve type artery and vein puncture remaining needle, as long as puncture portion draw point is pierced into blood vessel, flexible pipe pin
Puncture portion can be followed to be directly entered in blood vessel under the parcel in puncture portion, in the withdraw of the needle, what is exited is puncture portion, flexible pipe pin
Then indwelling is in the blood vessel.And existing steel core formula outer tube remaining needle is punctured after blood vessel sees blood back in steel core, in addition it is also necessary to after
Continuous propulsion remaining needle intravasation about 5mm or so, so that the flexible pipe pin of overcoat intravasation simultaneously, and then advance flexible pipe pin same again
When drop back steel core, allow flexible pipe pin along the purpose of steel core intravasation to reach, but the step requires operation higher, causes existing
Easily there is indwelling failure in some jacket-type flexible pipe pins.This programme eliminates the step, allows flexible pipe pin directly to enter with puncture portion
Enter in blood vessel, solve flexible pipe pin not with the technical problem in steel core intravasation, more facilitate flexible pipe pin indwelling, so that greatly
Width improves the success rate of remaining needle indwelling.
Preferred scheme one：Based on scheme preferred scheme, the equal length in flexible pipe pin and puncture portion, the rear end of push pedal
It is resisted against the rear wall of mounting groove.The equal length in flexible pipe pin and puncture portion, in medical worker with puncture portion to the blood vessel of patient
During puncture, flexible pipe pin will not again be punctured in portion and slided.
Preferred scheme two：Preferably two preferred scheme：Puncture portion is provided with the disposable strip of paper used for sealing of PVC materials,
Strip of paper used for sealing bonding covers groove.When medical worker is pierced into the blood vessel of patient with puncture portion, strip of paper used for sealing covers the groove in puncture portion
Cover, now puncture portion be one complete in thread a pipe, further avoid blood from gushing out from the groove in puncture portion, in flexible pipe pin
After completing indwelling, strip of paper used for sealing is torn, allow flexible pipe pin and puncture portion to depart from, complete the indwelling of flexible pipe pin.
Preferred scheme three：As the preferred scheme of scheme three：One end of groove is located at the most weakness of inclined wedge-shaped needle point.So
Design, only have a tip in the end in puncture portion, medical worker can be facilitated to puncture.
Brief description of the drawings
Fig. 1 is the side-looking partial cutaway view of inner sleeve type artery and vein puncture remaining needle of the present invention；
Fig. 2 is the top view of inner sleeve type artery and vein puncture remaining needle of the present invention；
Fig. 3 is the partial section that the present invention is punctured in vascular process is pierced through；
Fig. 4 is the side view of inventive hose pin.
Specific embodiment
Below by specific embodiment, the present invention is further detailed explanation：
Reference in Figure of description includes：Puncture portion 1, Handheld Division 2, flexible pipe pin 3, push pedal 4, groove 5, connecting portion
6th, vascular wall 7.
Embodiment 1
Substantially as shown in accompanying drawing 1, Fig. 2：Inner sleeve type artery and vein puncture remaining needle, including：
The puncture portion 1 of stainless steel, puncture portion 1 is hollow tubular, and the front end in puncture portion 1 is provided with the needle point of inclined wedge-shaped,
Groove 5 is radially provided with the side wall in puncture portion 1, one end of groove 5 is located at the most weakness of inclined wedge-shaped needle point；
The Handheld Division 2 of plastic material, Handheld Division 2 is provided with mounting groove, and puncture portion 1 is fixed in mounting groove, and puncture portion 1 reveals
The length for going out Handheld Division 2 is 3-6cm；The Handheld Division 2 of plastic material, which is provided with mounting groove, and puncture portion 1 is fixed on mounting groove
Interior, the length that Handheld Division 2 is extended in puncture portion 1 is 3-6cm, and it is the groove through full puncture needle to install trench bottom, after groove
End is provided with the connecting portion 6 connected with woven hose；
Flexible pipe pin 3 (as shown in Figure 4), the afterbody of flexible pipe pin 3 is provided with the push pedal 4 of plastic material, and push pedal 4 is flat with flexible pipe pin 3
OK, the surface of push pedal 4 is provided with the groove through the surface of whole push pedal 4, and the low rear end in front end of groove is high, and flexible pipe pin 3 is embedded in and is bonded
It is fixed in groove, the downside of flexible pipe pin 3 and push pedal 4 is embedded in groove 5 and the inwall with puncture portion 1 is slidably connected, ditch
The rear end of groove is provided with the connecting portion 6 connected with calparine cap, and connecting portion 6 is connected with flexible pipe pin 3, and connecting portion 6 is fixed and fixed with push pedal 4
Connection.
When specifically used：It is to be located to puncture that the front end of flexible pipe pin 3 is penetrated puncture portion 1, i.e. flexible pipe pin 3 by medical worker first
Inside portion 1.Medical personnel, Handheld Division 2 is pinched with hand, because puncture portion 1 is fixed with Handheld Division 2, so medical personnel can
The skin and blood vessel of patient are easily pierced through with puncture portion 1.Puncture portion 1 wraps flexible pipe pin 3, and blood is entered in puncture portion 1
After pipe, push pedal 4 is touched.Push pedal 4 is parallel with flexible pipe pin 3, and the surface of push pedal 4 is provided with the groove for traversing the surface of whole push pedal 4, groove
The low rear end in front end it is high, in the insertion groove of flexible pipe pin 3, during push pedal 4 is touched, flexible pipe pin 3 from the pin in puncture portion 1 can be allowed
Point exposes, and now again extracts puncture portion 1 out from blood vessel.
Flexible pipe pin 3 is inner cased type, i.e., flexible pipe pin 3 is located inside the steel core of puncture portion 1.Medical personnel are pinched hand-held with hand
Portion 2, because puncture portion 1 is fixed with Handheld Division 2, so medical personnel can easily with puncture portion 1 pierce through patient skin and
Vascular wall 7 (as shown in Figure 3).Puncture portion 1 wraps flexible pipe pin 3, after the intravasation of puncture portion 1 sees blood back, i.e.,
Push pedal 4 can forward be touched, push pedal 4 is connected with flexible pipe pin 3, the downside of the two be embedded in groove and with the inwall in puncture portion 1
Be slidably connected, during push pedal 4 is touched, flexible pipe pin 3 can be allowed to expose from the needle point in puncture portion 1, now again by puncture portion 1 from
Extracted out in blood vessel.
Embodiment 2
Compared with Example 1, the difference is that only, Handheld Division 2 is cuboid, and puncture portion 1 is provided with PVC materials once
Property strip of paper used for sealing, strip of paper used for sealing bonding cover groove 5.When medical worker is pierced into the blood vessel of patient with puncture portion, strip of paper used for sealing will be punctured
The groove in portion is covered, now puncture portion be one complete in thread a pipe, further avoid groove 5 of the blood from puncture portion 2
Gush out, after flexible pipe pin 3 completes indwelling, strip of paper used for sealing is torn, allow flexible pipe pin and puncture portion to depart from, complete the indwelling of flexible pipe pin.
Comparative example 1
The Y-shaped remaining needle produced using Shanghai Pu Yi Medical Treatment Equipment Co., Ltd.
Certain laboratory is chosen in the rabbit of 2015~2016 690 14 week old or so, three groups are randomly divided into, adopted
With embodiment 1,1 three kinds of remaining needles of embodiment 2 and comparative example, rabbit back leg venipuncture indwelling experiment is carried out respectively, contrast three groups
The success rate of venous puncture of rabbit simultaneously analyzes the reason for leading to the failure.As a result：First and second group is deposited with the 3rd group of Comparative result respectively
In significant difference (P<0.05), with statistical significance.
Week old of selected rabbit 15 or so, is same batch, same kind, 3 groups of rabbit in terms of age, sex difference without system
Meter learns meaning.
6 nurses for participating in experiment are in emergency department's work more than 5 years, nurse practitioner above academic title, and receive unified operation
Training.
Using identical piercing method.
Observe 3 groups of disposable punctures and put pipe success rate.
| Group | Total number of cases | Success | Success rate (%) | Failure (%) |
| Embodiment 1 | 240 | 231 | 96.25 | 3.75 |
| Embodiment 2 | 220 | 214 | 97.27 | 2.73 |
| Comparative example 1 | 230 | 201 | 87.39 | 12.61 |
Contrasted by embodiment 1 and embodiment 2 and found, increase strip of paper used for sealing, the success of raising remaining needle indwelling that can be slightly
Rate.
Contrasted by embodiment 1 and comparative example 1 and found, the raising remaining needle that this programme compared with prior art can be larger
Success rate.
Above-described is only embodiments of the invention, and the general knowledge such as known concrete structure and characteristic is not made herein in scheme
Excessive description.It should be pointed out that for a person skilled in the art, on the premise of structure of the present invention is not departed from, can be with
Some deformations and improvement are made, these should also be considered as protection scope of the present invention, these are implemented all without the influence present invention
Effect and practical applicability.This application claims protection domain should be defined by the content of its claim, in specification
Specific embodiment etc. records the content that can be used for explaining claim.
Claims (4)
1. inner sleeve type artery and vein puncture remaining needle, it is characterised in that including：
Puncture portion, puncture portion is hollow tubular, and the front end in puncture portion is provided with the needle point of inclined wedge-shaped, on the side wall in puncture portion radially
It is provided with groove；
Handheld Division, Handheld Division is provided with mounting groove, and puncture portion is fixed in mounting groove, and the front end in puncture portion is extended；
Flexible pipe pin, the push pedal of plastic material is provided with the afterbody of flexible pipe pin, and push pedal is connected with flexible pipe pin, and the downside of the two is embedding
Enter in groove and the inwall with puncture portion is slidably connected, flexible pipe pin is connected with connecting portion, connecting portion top is fixed with push pedal and connected
Connect.
2. inner sleeve type artery and vein puncture remaining needle according to claim 1, it is characterised in that flexible pipe pin and puncture portion
Equal length, the rear end of push pedal is resisted against the rear wall of mounting groove.
3. inner sleeve type artery and vein puncture remaining needle according to claim 2, it is characterised in that puncture portion is provided with PVC
The disposable strip of paper used for sealing of material, strip of paper used for sealing bonding covers groove.
4. the inner sleeve type artery and vein puncture remaining needle according to claim any one of 1-3, it is characterised in that the one of groove
Most weakness of the end positioned at inclined wedge-shaped needle point.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710093352.XA CN106860965A (en) | 2017-02-21 | 2017-02-21 | Inner sleeve type artery and vein puncture remaining needle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710093352.XA CN106860965A (en) | 2017-02-21 | 2017-02-21 | Inner sleeve type artery and vein puncture remaining needle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106860965A true CN106860965A (en) | 2017-06-20 |
Family
ID=59167342
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710093352.XA Pending CN106860965A (en) | 2017-02-21 | 2017-02-21 | Inner sleeve type artery and vein puncture remaining needle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106860965A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109984780A (en) * | 2017-12-31 | 2019-07-09 | 江苏风和医疗器材股份有限公司 | A kind of sheath assembly |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5019049A (en) * | 1990-02-20 | 1991-05-28 | Haining Michael L | Intravenous catheter and insertion device |
| CN2319051Y (en) * | 1997-12-23 | 1999-05-19 | 朱定华 | Disposable inner casing type reserving needle |
| CN1245076A (en) * | 1998-08-14 | 2000-02-23 | 黄高樟 | High-safety needle staying on vein |
| CN104707208A (en) * | 2015-01-29 | 2015-06-17 | 福建省百仕韦医用高分子股份有限公司 | Remaining needle with unilateral-seam protective sleeve |
-
2017
- 2017-02-21 CN CN201710093352.XA patent/CN106860965A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5019049A (en) * | 1990-02-20 | 1991-05-28 | Haining Michael L | Intravenous catheter and insertion device |
| CN2319051Y (en) * | 1997-12-23 | 1999-05-19 | 朱定华 | Disposable inner casing type reserving needle |
| CN1245076A (en) * | 1998-08-14 | 2000-02-23 | 黄高樟 | High-safety needle staying on vein |
| CN104707208A (en) * | 2015-01-29 | 2015-06-17 | 福建省百仕韦医用高分子股份有限公司 | Remaining needle with unilateral-seam protective sleeve |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109984780A (en) * | 2017-12-31 | 2019-07-09 | 江苏风和医疗器材股份有限公司 | A kind of sheath assembly |
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| PB01 | Publication | ||
| PB01 | Publication | ||
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| RJ01 | Rejection of invention patent application after publication | ||
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Application publication date: 20170620 |