CN110193116B - Infusion needle - Google Patents
Infusion needle Download PDFInfo
- Publication number
- CN110193116B CN110193116B CN201910267178.5A CN201910267178A CN110193116B CN 110193116 B CN110193116 B CN 110193116B CN 201910267178 A CN201910267178 A CN 201910267178A CN 110193116 B CN110193116 B CN 110193116B
- Authority
- CN
- China
- Prior art keywords
- needle
- limiting protrusion
- groove
- needle handle
- rail
- 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.)
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Links
- 238000001802 infusion Methods 0.000 title claims abstract description 33
- 230000000903 blocking effect Effects 0.000 claims abstract description 25
- 230000001681 protective effect Effects 0.000 claims abstract description 17
- 230000007704 transition Effects 0.000 claims description 10
- 239000000463 material Substances 0.000 claims description 4
- 239000013013 elastic material Substances 0.000 claims description 3
- 230000000149 penetrating effect Effects 0.000 claims description 2
- 230000007423 decrease Effects 0.000 claims 1
- 238000001990 intravenous administration Methods 0.000 abstract description 7
- 238000000034 method Methods 0.000 description 3
- 208000015181 infectious disease Diseases 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 210000003462 vein 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
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 utility model provides an infusion needle, includes needle file, hose, needle handle and needle tubing, and the cover is equipped with the lag on needle handle and the needle tubing, is equipped with through-hole and slide rail in the lag, slide rail and through-hole UNICOM, the slide rail is including the first rail wall that is located the upper end and the second rail wall that is located the lower extreme be equipped with first spacing protruding, dodge groove and the spacing protruding of second in proper order on the first rail wall, be equipped with blocking part and recess in proper order on the second rail wall, be equipped with the elasticity card in the recess. Before the needle is used, the blocking part and the first limiting protrusion clamp the needle handle, when the needle is required to be punctured, the needle handle sequentially slides through the first limiting protrusion, the elastic card and the second limiting protrusion, the second limiting protrusion clamps the needle handle and enables the needle tube to be exposed out of the protective sleeve for intravenous puncture, after the needle is used, the needle handle sequentially slides through the second limiting protrusion, the elastic card and the first limiting protrusion, the elastic card and the blocking part fix the needle handle so that the needle handle cannot slide, and at the moment, the needle tube is accommodated in the through hole and cannot slide out to stab an operator.
Description
Technical Field
The invention relates to the technical field of medical appliances, in particular to an infusion needle.
Background
At present, the intravenous infusion needle is mainly used for intravenous puncture infusion of clinical patients, and comprises the following main operation steps: closing the flow regulator after the exhaustion of the infusion apparatus is completed, removing the sheath of the intravenous infusion needle, performing venipuncture, starting infusion, pulling out the intravenous infusion needle after the infusion is completed, and discarding after the sheath is worn again. Because the sheath is less and slender for the sheath is lost easily, in addition, the internal diameter of sheath is less, and the needle tubing inserts when aiming at sheath hole and inserts partially easily, very easily stabs the operating personnel, causes the infection, has the risk of secondary use even.
Although the operation mode is gradually standardized clinically, the infusion needle tube is cut off and put into the sharps box to prevent secondary use, the operation process is complicated, and in the subsequent treatment process, the exposed needle tube still easily stabs operators.
Disclosure of Invention
Accordingly, an object of the present invention is to provide an infusion needle in which a needle tube can be housed in a protective sheath after use, and which cannot be slid out to stab an operator.
The utility model provides an infusion needle, includes needle file, hose, needle handle and the needle tubing that connects gradually, the cover is equipped with the lag that adopts elastic material to make on needle handle and the needle tubing, be equipped with first draw-in groove on the up end of needle handle, be equipped with the second draw-in groove on the lower terminal surface, be equipped with in the lag and run through the through-hole at self both ends and axial extension and orientation the open-ended slide rail of needle file direction, the slide rail with through-hole UNICOM, the slide rail is including the first rail wall that is located the upper end and the second rail wall that is located the lower extreme, be equipped with first spacing protruding, dodge groove and the spacing protruding of second in order on the first rail wall, the spacing protruding is used for the card of second is in the needle handle and makes the needle tubing exposes the lag carries out the vein puncture, be equipped with blocking portion and recess on the second rail wall, be equipped with the elasticity card in the recess, elasticity with dodge the position correspondence of groove and orientation the spacing protruding direction of second, the needle handle card be in blocking portion with first spacing card between the protruding and the first card wall, just first card is located in the second spacing card groove is accomplished to the needle file.
Compared with the prior art, in the infusion needle, before the infusion needle is used, the blocking part and the first limiting protrusion clamp the needle handle, when the infusion needle is required to be punctured, an operator holds the protective sleeve by one hand and holds the needle handle by the other hand so as to enable the needle handle to sequentially slide through the first limiting protrusion, the elastic card and the second limiting protrusion, the second limiting protrusion clamps the needle handle and enables the needle tube to be exposed out of the protective sleeve for intravenous puncture, after the infusion needle is used, the operator holds the protective sleeve by one hand and holds the needle handle by the other hand so as to sequentially slide through the second limiting protrusion, the elastic card and the first limiting protrusion, the elastic card and the blocking part hold the needle handle so as to enable the needle tube to not slide.
Further, the depth of the groove is larger than the thickness of the elastic card.
Further, the thickness of the elastic card is gradually reduced from the middle part towards the connection part with the bottom of the groove, and the thickness range of the connection part is 0.1-0.5 mm.
Further, the end part of the elastic card forms a first inclined plane and a second inclined plane which are connected, when transfusion is completed, the first inclined plane is attached to the side face of the second clamping groove, and the second inclined plane is attached to the bottom face of the second clamping groove.
Further, the first limiting protrusion is located at the end part of the avoidance groove, the first limiting protrusion is connected with the avoidance groove in an arc transition mode, and the thickness range of the first limiting protrusion protruding out of the first rail wall is 0.05-0.5 mm.
Further, the end of the opening end of the second rail wall is an introduction inclined plane, the introduction inclined plane is positioned at the end of the blocking part, and the distance between the top end of the blocking part and the first rail wall is smaller than the thickness of the needle handle.
Further, the lag includes first sheath and the second sheath that is connected, the position of first sheath is close to the needle file and the cross-section is square, first spacing protruding, dodge the groove, stop portion and recess all are located in the first sheath.
Further, the sliding rail in the second sheath comprises a first rail, a transition rail and a second rail which are connected, wherein the first rail is close to the first sheath, the horizontal height of the first rail is higher than that of the second rail, and the transition rail is obliquely arranged.
Further, the second limiting protrusion is located in the second track, and the thickness range of the protruding first track wall is 0.05-0.5 mm.
Further, the protective sleeve is made of PP or PE materials.
Drawings
FIG. 1 is a schematic view of an assembled structure of an infusion needle before use in accordance with an embodiment of the invention;
FIG. 2 is a schematic cross-sectional view of the protective sheath of FIG. 1;
FIG. 3 is an enlarged schematic cross-sectional view at A in FIG. 1;
FIG. 4 is a schematic view of an assembled structure of the infusion needle of FIG. 1 prior to puncturing;
FIG. 5 is a schematic view of an assembled structure of the infusion needle of FIG. 1 after use;
fig. 6 is an enlarged schematic cross-sectional view at B in fig. 5.
Description of main reference numerals:
| needle stand | 10 | Flexible pipe | 11 |
| Needle handle | 12 | First clamping groove | 121 |
| Second clamping groove | 122 | Needle tube | 13 |
| Protective sleeve | 14 | Through hole | 141 |
| Sliding rail | 142 | First rail wall | 1421 |
| Second rail wall | 1422 | Lead-in inclined plane | 14221 |
| First spacing protrusion | 1423 | Avoidance groove | 1424 |
| Second spacing protrusion | 1425 | Blocking part | 1426 |
| Groove | 1427 | Elastic card | 1428 |
| First inclined plane | 14281 | Second inclined plane | 14282 |
| First sheath | 143 | Second sheath | 144 |
| First track | 145 | Transition track | 146 |
| Second track | 147 |
The invention will be further described in the following detailed description in conjunction with the above-described figures.
Detailed Description
In order that the invention may be readily understood, a more complete description of the invention will be rendered by reference to the appended drawings. Several embodiments of the invention are presented in the figures. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.
It will be understood that when an element is referred to as being "mounted" on another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like are used herein for illustrative purposes only.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. The term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.
Referring to fig. 1, an infusion needle provided in an embodiment of the invention includes a needle stand 10, a hose 11, a needle handle 12 and a needle tube 13 connected in sequence, wherein a protecting sleeve 14 is sleeved on the needle handle 12 and the needle tube 13.
In this embodiment, the protecting sleeve 14 is made of an elastic material, so that the needle handle 12 and the needle tube 13 can move in the protecting sleeve 14. Further, the protecting sleeve 14 is made of PP or PE materials, because PP and PE materials have better toughness.
Referring to fig. 1, 3 and 6, a first clamping groove 121 is formed on the upper end surface of the needle handle 12, and a second clamping groove 122 is formed on the lower end surface, and the first clamping groove 121 and the second clamping groove 122 facilitate the clamping and fixing of the needle handle 12 by the protecting sleeve 14.
Referring to fig. 1 to 6, the protecting sleeve 14 is provided with a through hole 141 penetrating through two ends of the protecting sleeve 14, and a sliding rail 142 extending axially and opening toward the direction of the needle holder 10, the sliding rail 142 is communicated with the through hole 141, the sliding rail 142 includes a first rail wall 1421 at an upper end and a second rail wall 1422 at a lower end, the first rail wall 1421 is sequentially provided with a first limiting protrusion 1423, an avoiding groove 1424 and a second limiting protrusion 1425, the second limiting protrusion 1425 is used for clamping the needle handle 12 and exposing the needle tube 13 out of the protecting sleeve 14 for venipuncture, the second rail wall 1422 is sequentially provided with a blocking portion 1426 and a groove 1427, the groove 1427 is provided with an elastic card 1428, and the elastic card 1428 corresponds to the position of the avoiding groove 1424 and is inclined toward the direction of the second limiting protrusion 1425.
It should be noted that, in this embodiment, the elastic card 1428 is configured to be inclined so as to facilitate the elastic card 1428 to be pressed into the groove 1427 when the needle handle 12 slides away from the needle hub 10, and since the elastic card 1428 has elasticity, the elastic card 1428 can spring under the action of its own elastic force after the needle handle 12 slides. Before use, the needle handle 12 is clamped between the blocking portion 1426 and the first limiting protrusion 1423, and the first limiting protrusion 1423 is located in the first clamping groove 121; when puncture is required, an operator holds the protective sleeve 14 with one hand and holds the needle handle 12 with the other hand so as to slide the needle handle 12 through the first limiting projection 1423, the elastic card 1428 and the second limiting projection 1425 in sequence, and the second limiting projection 1425 clamps the needle handle 12 and enables the needle tube 13 to be exposed out of the protective sleeve 14 for venipuncture; when the transfusion is completed, the hose 11 is pulled toward the needle seat 10 until the needle handle 12 is clamped between the blocking portion 1426 and the first limiting protrusion 1423 and the elastic card 1428 is clamped in the second clamping groove 122, so that the needle tube 12 is accommodated in the through hole 141 and cannot slide out to stab the operator.
Referring to fig. 2, the depth of the recess 1427 is greater than the thickness of the elastic card 1428, so that the elastic card 1428 can be received in the recess 1427 without obstructing the sliding of the needle handle 12 when the needle handle 12 slides through the recess 1427.
In another preferred embodiment of the present invention, the thickness of the elastic tab 1428 is gradually reduced from the middle portion toward the junction with the bottom of the recess 1427, so that the elastic tab 1428 is bent toward both right and left ends after being pressed by the needle handle 12. In order to ensure the connection strength between the elastic card 1428 and the bottom of the groove 1427, the thickness of the connection between the two is in the range of 0.1-0.5 mm.
In another preferred embodiment of the present invention, the end of the elastic card 1428 forms a first inclined plane 14281 and a second inclined plane 14282, which are connected, when the infusion is completed, the first inclined plane 14281 is attached to the side surface of the second clamping groove 122, and the second inclined plane 14282 is attached to the bottom surface of the second clamping groove 122, and at this time, the elastic card 1428 fixes the needle handle 12 between the blocking portion 1426 and the first limiting protrusion 1423, and the needle handle 12 cannot slide left and right.
Referring to fig. 2 again, in order to facilitate locking the needle handle 12, the first limiting protrusion 1423 is located at an end of the avoiding groove 1424, and the first limiting protrusion 1423 is connected with the avoiding groove 1424 in a circular arc transition manner. To facilitate sliding of the needle handle 12, the thickness of the first limiting protrusion 1423 protruding from the first rail wall 1421 ranges from 0.05 to 0.5mm.
In another preferred embodiment of the present invention, the end of the open end of the second rail wall 1422 is a lead-in slope 14221, and the lead-in slope 14221 is located at the end of the blocking portion 1426, the distance between the top end of the blocking portion 1426 and the first rail wall 1421 is smaller than the thickness of the needle handle 12, and the purpose of the lead-in slope 14221 is to facilitate the sliding of the needle handle 12 between the top end of the blocking portion 1426 and the first rail wall 1421 during the assembly.
In another preferred embodiment of the present invention, the protecting sleeve 14 includes a first protecting sleeve 143 and a second protecting sleeve 144 connected, the first protecting sleeve 143 is located near the needle seat 10 and has a square cross section, and the first limiting protrusion 1423, the avoiding groove 1424, the blocking portion 1426 and the groove 1427 are all located in the first protecting sleeve 143. Specifically, the cross section of the first protecting sleeve 143 is square, so as to facilitate the operator to hold the protecting sleeve 14 with his or her fingers. Further, anti-slip patterns for preventing sliding may be provided on the surface of the first cover 143.
In another preferred embodiment of the present invention, the sliding rail 142 disposed in the second sheath 144 includes a first rail 145, a transition rail 146 and a second rail 147 connected to each other, wherein the first rail 145 is disposed close to the first sheath 143 and has a higher level than the second rail 147, and the transition rail 146 is disposed obliquely so that the angle of the needle handle 12 disposed in the second rail 147 is inclined downward to be more fit with the skin of the patient when performing the puncture.
The second limiting protrusion 1425 is located in the second track 147, and the thickness of the second limiting protrusion 1425 protruding from the first track wall 1421 is in the range of 0.05-0.5 mm in order to facilitate sliding of the needle handle 12.
In the production and assembly process of the product, after the needle seat 10, the hose 11, the needle handle 12 and the needle tube 13 are sequentially bonded, the needle tube 13 is penetrated from one end of the through hole 141 provided with the guiding inclined plane 14221, and the protecting sleeve 14 has elasticity, so that the needle handle 12 can prop open the first rail wall 1421 and the second rail wall 1422 and slide into the sliding rail 142, at this time, the needle handle 12 is clamped between the blocking part 1426 and the first limiting boss 1423, the first limiting boss 1423 is clamped in the first clamping groove 121, and the needle tube 13 is accommodated in the through hole 141.
When the product is clinically used, an operator holds the protective sleeve 14 by one hand and holds the needle handle 12 by the other hand, the needle handle 12 can be sequentially slid through the first limiting boss 1423, the elastic card 1428 and the second limiting boss 1425 by slight force, the needle handle 12 is blocked by the second limiting boss 1425, and at the moment, the needle tube 13 is completely exposed out of the protective sleeve 14, and the operator can hold the needle handle 12 for normal intravenous puncture transfusion; after the transfusion is completed, the protecting sleeve 14 is fixed by one hand of the operator, the needle handle 12 is pinched by the other hand, the needle handle 12 can be slid through the second limiting protrusion 1425 with a little effort, the elastic card 1428 is sprung up and drives the elastic card 1428 to fold obliquely towards the blocking portion 1426, then the elastic card 1428 slides through the first limiting protrusion 1423 and is blocked by the blocking portion 1426, the elastic card 1428 is clamped in the second clamping groove 122 (specifically, the first inclined surface 14281 is attached to the side surface of the second clamping groove 122, and the second inclined surface 14282 is attached to the bottom surface of the second clamping groove 122), at this time, the elastic card 1428 fixes the needle handle 12 between the blocking portion 1426 and the first limiting protrusion 1423, the needle handle 12 cannot slide left and right, and the needle tube 13 is accommodated in the through hole 141 and cannot slide out to stab the operator.
Compared with the prior art, in the infusion needle of the invention, the needle handle 12 can be fixed and the needle tube 13 can be accommodated in the through hole 141 before and after the infusion needle is used, so that the needle point of the needle tube 13 can be effectively prevented from stabbing operators.
The foregoing examples merely illustrate certain embodiments of the invention and are described in more detail and are not to be construed as limiting the scope of the invention. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the invention, which are all within the scope of the invention. Accordingly, the scope of protection of the present invention is to be determined by the appended claims.
Claims (8)
1. The utility model provides an infusion needle, includes needle file, hose, needle handle and the needle tubing that connects gradually, its characterized in that: the needle handle and the needle tube are sleeved with a protective sleeve made of elastic materials, a first clamping groove is formed in the upper end face of the needle handle, a second clamping groove is formed in the lower end face of the needle handle, a through hole penetrating through two ends of the needle handle and a sliding rail axially extending and opening towards the direction of the needle seat are formed in the protective sleeve, the sliding rail is communicated with the through hole, the sliding rail comprises a first rail wall at the upper end and a second rail wall at the lower end, a first limiting protrusion, an avoidance groove and a second limiting protrusion are sequentially formed in the first rail wall, the second limiting protrusion is used for clamping the needle handle and enabling the needle tube to be exposed out of the protective sleeve for venipuncture, a blocking part and a groove are sequentially formed in the second rail wall, an elastic card is arranged in the groove, the elastic card corresponds to the position of the avoidance groove and is inclined towards the direction of the second limiting protrusion, the needle handle is clamped between the blocking part and the first limiting protrusion, the first limiting protrusion is positioned in the first clamping groove, the second limiting protrusion is used for clamping the needle tube, and the elastic card is pulled towards the direction of the needle seat to the second limiting protrusion after the needle handle is clamped in the direction, and the hose is accommodated in the second limiting groove;
the end part of the elastic card forms a first inclined plane and a second inclined plane which are connected, when transfusion is completed, the first inclined plane is attached to the side face of the second clamping groove, and the second inclined plane is attached to the bottom face of the second clamping groove;
the first limiting protrusion is positioned at the end part of the avoidance groove, the first limiting protrusion is connected with the avoidance groove in an arc transition mode, and the thickness range of the first limiting protrusion protruding out of the first rail wall is 0.05-0.5 mm.
2. The infusion needle of claim 1, wherein the depth of the groove is greater than the thickness of the resilient card.
3. The infusion needle of claim 1, wherein the thickness of the elastic card gradually decreases from the middle part toward the junction with the bottom of the groove, and the thickness of the junction ranges from 0.1 mm to 0.5mm.
4. The infusion needle of claim 1, wherein the end of the open end of the second rail wall is a lead-in bevel and the lead-in bevel is located at the end of a stop, the distance between the tip of the stop and the first rail wall being less than the thickness of the needle handle.
5. The infusion needle of any one of claims 1-4, wherein the protective sheath comprises a first sheath and a second sheath that are connected, the first sheath is positioned adjacent to the needle hub and has a square cross section, and the first limiting projection, the avoidance groove, the blocking portion and the groove are all positioned in the first sheath.
6. The infusion needle of claim 5, wherein the slide track in the second sheath comprises a first track, a transition track and a second track connected, the first track being adjacent to the first sheath and being higher in horizontal height than the second track, the transition track being disposed obliquely.
7. The infusion needle of claim 6, wherein the second limit projection is located in the second track and protrudes from the first track wall to a thickness in the range of 0.05-0.5 mm.
8. The infusion needle of any one of claims 1 to 4, wherein the protective sheath is made of PP or PE material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910267178.5A CN110193116B (en) | 2019-04-03 | 2019-04-03 | Infusion needle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910267178.5A CN110193116B (en) | 2019-04-03 | 2019-04-03 | Infusion needle |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110193116A CN110193116A (en) | 2019-09-03 |
| CN110193116B true CN110193116B (en) | 2024-02-13 |
Family
ID=67751873
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910267178.5A Active CN110193116B (en) | 2019-04-03 | 2019-04-03 | Infusion needle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110193116B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2016062015A1 (en) * | 2014-10-23 | 2016-04-28 | 上海金塔医用器材有限公司 | Disposable anti-acupuncture venous transfusion needle |
| CN205515763U (en) * | 2016-01-14 | 2016-08-31 | 淮安市恒春医疗器材有限公司 | Take safe vein needle disposable blood transfusion ware |
| CN108784715A (en) * | 2018-07-10 | 2018-11-13 | 江西丰临医疗科技股份有限公司 | Single-blade punctures needle shield and blood taking needle |
| CN109224192A (en) * | 2018-09-28 | 2019-01-18 | 江苏治宇医疗器材有限公司 | A kind of safety shield for single wing transfusion syringe |
| CN210096552U (en) * | 2019-04-03 | 2020-02-21 | 江西洪达医疗器械集团有限公司 | Transfusion needle |
-
2019
- 2019-04-03 CN CN201910267178.5A patent/CN110193116B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2016062015A1 (en) * | 2014-10-23 | 2016-04-28 | 上海金塔医用器材有限公司 | Disposable anti-acupuncture venous transfusion needle |
| CN205515763U (en) * | 2016-01-14 | 2016-08-31 | 淮安市恒春医疗器材有限公司 | Take safe vein needle disposable blood transfusion ware |
| CN108784715A (en) * | 2018-07-10 | 2018-11-13 | 江西丰临医疗科技股份有限公司 | Single-blade punctures needle shield and blood taking needle |
| CN109224192A (en) * | 2018-09-28 | 2019-01-18 | 江苏治宇医疗器材有限公司 | A kind of safety shield for single wing transfusion syringe |
| CN210096552U (en) * | 2019-04-03 | 2020-02-21 | 江西洪达医疗器械集团有限公司 | Transfusion needle |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110193116A (en) | 2019-09-03 |
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