CN111135390A - Disposable stripping type self-destruction syringe - Google Patents
Disposable stripping type self-destruction syringe Download PDFInfo
- Publication number
- CN111135390A CN111135390A CN202010020075.1A CN202010020075A CN111135390A CN 111135390 A CN111135390 A CN 111135390A CN 202010020075 A CN202010020075 A CN 202010020075A CN 111135390 A CN111135390 A CN 111135390A
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- Prior art keywords
- rubber plug
- conical
- conical lock
- plug structure
- self
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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
- A61M5/178—Syringes
-
- 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
- A61M5/178—Syringes
- A61M5/31—Details
-
- 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
- A61M5/50—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 having means for preventing re-use, or for indicating if defective, used, tampered with or unsterile
- A61M5/5066—Means for preventing re-use by disconnection of piston and piston-rod
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- 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 relates to a disposable stripping type self-destruction syringe, which comprises a syringe barrel, wherein a liquid outlet is fixed at the bottom of the syringe barrel, a core bar is inserted into the syringe barrel, the core bar is connected with a rubber plug structure, the core bar is detachably connected with the top end of the rubber plug structure, conical lock catches are formed at the bottom end of the rubber plug structure in the circumferential direction, and the number of the conical lock catches is more than or equal to 2; a hollow gap for separating the conical lock catch is formed in the middle of the bottom end of the rubber plug structure; an annular clamping protrusion matched with the conical lock catch is formed in the liquid outlet; the sum of the clamping force of the conical lock catch and the annular clamping protrusion is larger than the connecting force of the core rod and the rubber plug structure and larger than the friction force of the rubber plug structure and the syringe barrel. When the medicine liquid is injected, the rubber plug and the barrel are connected into a whole, and when the core rod is pulled back, the rubber plug structure is separated from the core rod, so that the injector is scrapped and cannot be used again, and the self-destruction function is realized.
Description
The technical field is as follows:
the invention relates to a disposable medical appliance, in particular to a disposable stripping type self-destruction syringe
Background art:
the most feared of the world's blood-borne diseases is AIDS. According to the research and statistics of WHO (world health organization), the number of AIDS patients in the world is over 3600 ten thousands, and the health of human beings in the world is seriously threatened.
The main Transmission routes of the HIV are ① sexual Transmission, which is the first Transmission route of the global epidemic of the AIDS, and comprises genital, anal and oral sexual contact, the occurrence rate is 70-80%, ② is transmitted in intravenous drug addicts, a common drug injection device is a stable and continuously increasing Risk factor, the occurrence rate is 3-10%, ③ is transmitted by blood products, whole blood, red blood cells, fresh frozen plasma and platelets provided by a single donor or blood products produced by a blood bank have the possibility of infecting HIV, the occurrence rate is 3-5%, ④ is transmitted by mother-infant, about 30% of HIV-1 positive mothers can cause newborn to infect HIV-1, ⑤ is transmitted in medical personnel, the probability of infecting HIV is very small, the Risk of needle puncture infection is only 0.2%, and the US center for transfusion data, CDC-Transmissirisk single infection rate, the single infection rate is 92.5%, the common needle single infection rate is 0.63%, and the sexual infection rate is only 0.08-0.08%.
The data show that the way of repeatedly using the common injection appliance to treat the prostate disease and the top disease in the AIDS transmission way becomes an important work of human AIDS resistance.
In order to prevent the syringe from being infected by repeated use, people invent a plurality of self-destruction syringes, for example, a locking rubber plug type self-destruction syringe disclosed in CN 201510479370.2, which comprises a jacket, a core bar and a rubber plug, wherein the front end of the jacket is provided with a conical head connected with an injection needle through threads, and the self-destruction syringe is characterized in that: the inner wall at the middle part of the conical head cavity of the conical head is provided with an elastic clamping ring with a clamping hole at the center, the front end of the rubber plug is assembled with the clamping seat, the rear end of the rubber plug is assembled with the core rod, the convex ring in front of the clamping seat passes through the clamping hole of the elastic clamping ring forward, and the elastic clamping ring can be clamped at the back-off step of the clamping seat to prevent the clamping seat from retreating backwards and returning to the outer sleeve. The elastic clamping ring consists of 3-12 single arc-shaped clamping pieces which are mutually separated and have the same shape. The elastic clamping ring plays a role of a one-way valve, only allows the clamping seat to be pushed forwards, and does not allow the clamping seat to be retracted backwards. However, this type of syringe has the following problems:
1. the injection medicine of hospital is generally quantitative, when adopting above-mentioned similar self-destruction syringe, when cassette and the contact of snap ring, the bottom of plug and the barrel of syringe still has a section space, the medicine in the syringe is not beaten completely, and will beat completely, need to promote the core bar hard, make the cassette overcome the resistance with snap ring, when beating the medicine, cassette and snap ring block the self-destruction, and when promoting the core bar hard, arouse vibrations very easily, lead to the syringe needle at the internal shake of patient, arouse patient's misery, and probably lead to great damage, and if reduce the resistance that forms when cassette and snap ring block, inevitably lead to the resistance greatly reduced after cassette and snap ring block, will hardly play the reuse prevention function.
2. Some self-destruction syringes, although when designing, have made the cassette and have great locking force after the elastic snap ring blocks, if pull out the core bar hard outward, often can also pull out the core bar, lead to it to be washed and utilize or played as the toy by children, cause the infection danger.
3. Because the needle cylinder part of the existing disposable syringe still keeps complete, children pick up the needle cylinder part to manufacture a water shooting toy, and illegal vendors can privately recycle and reuse the needle cylinder part. In order to prevent the above situation, it is necessary to prevent the syringe from being recovered without damage after one use.
The invention content is as follows:
the invention aims to provide a disposable stripping type self-destruction syringe, which aims to ensure that a syringe rubber plug is stripped from a core rod after the injection of liquid medicine is finished, so that the syringe can be used only once, prevent common or multiple use of a syringe and realize the purpose of self-destruction after disposable use.
The invention adopts the following technical scheme to realize the purpose of the invention:
the disposable peeling type self-destruction syringe comprises a syringe barrel 2, a liquid outlet 5 is fixed at the bottom of the syringe barrel 2, a core bar 3 is inserted into the syringe barrel 2, the core bar 3 is connected with a rubber plug structure 4, the core bar 3 is detachably connected with the top end of the rubber plug structure 4, conical lock catches 1 are formed at the bottom end of the rubber plug structure 4 in the circumferential direction, and the number of the conical lock catches 1 is more than or equal to 2; a hollow gap 1-1 for separating the conical lock catch 1 is formed in the middle of the bottom end of the rubber plug structure 4; an annular clamping bulge 2-1 matched with the conical lock catch 1 is formed in the liquid outlet 5; the sum of the clamping force of the conical lock catch 1 and the annular clamping protrusion 2-1 is larger than the connecting force of the core rod 3 and the rubber plug structure 4 and larger than the friction force between the rubber plug structure 4 and the syringe barrel 2.
The rubber plug structure 4 comprises a rubber plug outer sleeve 4-1, a cavity 4-2 is formed inside the rubber plug outer sleeve 4-1, the top of the cavity 4-2 is communicated with an upper through hole 4-3, and the bottom of the cavity is communicated with a lower through hole 4-4; a mounting block 4-5 is arranged in the cavity 4-2; the mounting block 4-5 is connected with a conical lock catch 1 which penetrates through the lower through hole 4-4 through a connecting rod 4-6; the upper through hole 4-3 and the lower through hole 4-4 are both smaller than the cavity 4-2 to form an upper snap ring structure 4-7 and a lower snap ring structure 4-8 respectively.
In a further improvement, a lower plug cone 1-2 is convexly formed at the top of the rubber plug structure 4, and an opening 3-1 in interference fit with the lower plug cone 1-2 is formed on the core rod 3.
In a further improvement, the mounting block 4-5 is connected with a lower plug cone 1-2; the bottom of the core rod 3 is protruded circumferentially to form an annular clamping plate 3-2, and the middle part of the annular clamping plate 3-2 is provided with an opening 3-1 matched with the lower plug cone 1-2.
In a further improvement, an elastic clamping block 3-3 matched with the lower plug cone 1-2 is fixed at the top of the conical plate 3-2, and a conical end part 3-4 matched with an upper snap ring structure 4-7 is arranged at the outer end of the elastic clamping block 3-3.
In a further improvement, the lower plug cone 1-2 and the opening 3-1 are both conical.
In a further improvement, the rubber plug outer sleeve 4-1 is made of rubber; the mounting block 4-5, the conical lock catch 1 and the lower plug cone 1-2 are integrally made of elastic plastics.
In a further improvement, the number of the conical lock catches 1 is two, and the two conical lock catches 1 are arranged oppositely.
In a further improvement, an avoidance gap is formed between adjacent conical lock catches 1.
The invention aims to realize the automatic stripping function of the rubber plug and the core bar, and is provided with an opening, a lower plug cone and a conical lock catch, wherein after the conical lock catch is locked, the lower plug cone is separated from the opening when the conical lock catch is subjected to pulling force.
In order to realize the function that the conical lock catch bears the pulling force (the counterforce), an inverted horn reverse buckle (namely an annular clamping bulge) is arranged at the liquid outlet at the bottom of the bobbin, and the conical lock catch is tightly matched and buckled with the annular clamping bulge.
In order to realize the function of the injector for bearing the standard negative pressure, the front end of the core rod is provided with an opening matched with the lower plug cone, after the lower plug cone is clamped into the opening, the core rod and the lower plug cone form a reverse buckling surface for integrally supporting the rubber plug, so that the negative pressure bearing capacity is increased, and the injector meets the standard requirement.
The disposable stripping type self-destruction syringe adopts stripping type self-destruction of the rubber plug and the core bar, utilizes the coincidence of the opening of the plug cone and the core bar, and increases the back buckling surfaces of the core bar and the rubber plug, so that the disposable stripping type self-destruction syringe can bear standard negative pressure test and can be stripped easily, realizes the self-destruction function, and effectively pinches off the propagation path of the common injection appliance or the repeatedly used injection appliance for blood diseases.
Description of the drawings:
fig. 1 is a schematic structural diagram of a rubber plug structure.
Fig. 2 is a schematic view of the overall structure of the present invention.
Fig. 3 is a schematic structural view of the core rod.
Fig. 4 is a schematic structural view of the mounting block.
Figure 5 is a cross-sectional schematic view of the plug housing.
Fig. 6 is one of the structural schematic diagrams of the lock maintaining mechanism.
The specific implementation mode is as follows:
the invention will be further described with reference to the accompanying drawings:
the disposable peeling type self-destruction syringe shown in fig. 1-5 comprises a syringe barrel 2, a liquid outlet 5 is fixed at the bottom of the syringe barrel 2, a core bar 3 is inserted into the syringe barrel 2, the core bar 3 is connected with a rubber plug structure 4, the core bar 3 is detachably connected with the top end of the rubber plug structure 4, tapered lock catches 1 are formed at the bottom end of the rubber plug structure 4 in the circumferential direction, and the number of the tapered lock catches 1 is more than or equal to 2; a hollow gap 1-1 for separating the conical lock catch 1 is formed in the middle of the bottom end of the rubber plug structure 4; an annular clamping bulge 2-1 matched with the conical lock catch 1 is formed in the liquid outlet 5; the sum of the clamping force of the conical lock catch 1 and the annular clamping protrusion 2-1 is larger than the connecting force of the core rod 3 and the rubber plug structure 4 and larger than the friction force between the rubber plug structure 4 and the syringe barrel 2.
The rubber plug structure 4 comprises a rubber plug outer sleeve 4-1, a cavity 4-2 is formed inside the rubber plug outer sleeve 4-1, the top of the cavity 4-2 is communicated with an upper through hole 4-3, and the bottom of the cavity is communicated with a lower through hole 4-4; a mounting block 4-5 is arranged in the cavity 4-2; the mounting block 4-5 is connected with a conical lock catch 1 which penetrates through the lower through hole 4-4 through a connecting rod 4-6; the upper through hole 4-3 and the lower through hole 4-4 are both smaller than the cavity 4-2 to form an upper snap ring structure 4-7 and a lower snap ring structure 4-8 respectively.
The top of the rubber plug structure 4 is convexly provided with a lower plug cone 1-2, and the core rod 3 is provided with an opening 3-1 which is in interference fit with the lower plug cone 1-2.
The mounting block 4-5 is connected with a lower plug cone 1-2; the bottom of the core rod 3 is protruded circumferentially to form an annular clamping plate 3-2, and the middle part of the annular clamping plate 3-2 is provided with an opening 3-1 matched with the lower plug cone 1-2.
An elastic clamping block 3-3 matched with the lower plug cone 1-2 is fixed at the top of the conical plate 3-2, and a conical end part 3-4 matched with the upper snap ring structure 4-7 is arranged at the outer end of the elastic clamping block 3-3. The lower plug cone 1-2 and the opening 3-1 are both conical. The rubber plug jacket 4-1 is made of rubber; the mounting block 4-5, the conical lock catch 1 and the lower plug cone 1-2 are integrally made of elastic plastics.
The number of the conical lock catches 1 is two, and the two conical lock catches 1 are arranged oppositely. An avoiding gap is formed between the adjacent conical lock catches 1.
When the invention is used, the ring clamping plate 3-2 structure of the core rod 3 is clamped with the lower plug cone 1-2 of the rubber plug structure 4, and the upper clamping ring structure 4-7 is clamped by the elastic clamping block 3-3, so that the core rod 3 can pull the rubber plug structure 4 to move to form negative pressure when the medicine liquid is sucked. When the liquid medicine is injected, the liquid medicine is injected to the bottom, and due to the existence of the hollow gap 1-1, the conical lock catch 1 is easy to bend inwards when being subjected to the resistance of the annular clamping protrusion 2-1, so that the resistance of pushing the conical lock catch 1 into the liquid outlet is greatly reduced, the vibration generated by locking the conical lock catch 1 and the annular clamping protrusion 2-1 when the final liquid medicine is injected is reduced, and the pain of a patient caused by excessive vibration is prevented. After the liquid medicine is completely pumped, after the conical lock catch 1 and the annular clamping protrusion 2-1 are locked, when the core rod is pulled backwards, the sum of the clamping force of the conical lock catch 1 and the annular clamping protrusion 2-1 is larger than the connecting force of the core rod 3 and the rubber plug structure 4 (namely the friction force and the clamping force of the conical end part 3-4 of the elastic clamping block 3-3), so that the core rod 3 is separated, and the rubber plug structure 4 is integrally kept in the syringe barrel 2 to prevent the rubber plug structure from being reused.
Example 2
In addition to embodiment 1, in order to increase the locking performance of the taper lock, a lock maintaining mechanism is formed on the taper lock 1. The specific locking maintaining mechanism is a connecting block 4-9 for connecting the tops of the conical lock catches 1 together or comprises clamping protrusions 4-10 protruding from the lower sides of the conical lock catches 1 as shown in fig. 6, and annular clamping strips 4-11 matched with the clamping protrusions 4-10 are formed on the annular clamping protrusions 2-1 in a protruding mode.
While embodiments of the invention have been described above, it is not limited to the applications set forth in the specification and the embodiments, which are fully applicable to various fields of endeavor for which the invention pertains, and further modifications may readily be made by those skilled in the art, it being understood that the invention is not limited to the specific details shown and described herein without departing from the general concept defined by the claims and their equivalents.
Claims (10)
1. The disposable peeling type self-destruction syringe comprises a syringe barrel (2), wherein a liquid outlet (5) is fixed at the bottom of the syringe barrel (2), a core rod (3) is inserted into the syringe barrel (2), the core rod (3) is connected with a rubber plug structure (4), and the core rod (3) is detachably connected with the top end of the rubber plug structure (4), and is characterized in that conical lock catches (1) are formed at the bottom end of the rubber plug structure (4) in the circumferential direction, and the number of the conical lock catches (1) is more than or equal to 2; a hollow gap (1-1) for separating the conical lock catch (1) is formed in the middle of the bottom end of the rubber plug structure (4); an annular clamping bulge (2-1) matched with the conical lock catch (1) is formed in the liquid outlet (5); the sum of the clamping force of the conical lock catch (1) and the annular clamping protrusion (2-1) is larger than the connecting force of the core rod (3) and the rubber plug structure (4) and larger than the friction force of the rubber plug structure (4) and the syringe barrel (2).
2. The disposable peel-off type self-destruction syringe according to claim 1, wherein the rubber plug structure (4) comprises a rubber plug outer sleeve (4-1), a cavity (4-2) is formed inside the rubber plug outer sleeve (4-1), the top of the cavity (4-2) is communicated with an upper through hole (4-3), and the bottom of the cavity is communicated with a lower through hole (4-4); a mounting block (4-5) is arranged in the cavity (4-2); the mounting block (4-5) is connected with a conical lock catch (1) which penetrates through the lower through hole (4-4) through a connecting rod (4-6); the upper through hole (4-3) and the lower through hole (4-4) are smaller than the cavity (4-2) to form an upper snap ring structure (4-7) and a lower snap ring structure (4-8) respectively; a snap ring (2-1) matched with the rubber plug jacket (4-1) is arranged at the inlet of the syringe barrel (2).
3. The disposable peel-off self-destruct syringe according to claim 1, characterized in that said conical latch (1) is formed with a locking retaining mechanism.
4. The disposable peel-off self-destruct syringe according to claim 2, wherein said locking and maintaining means is a connecting block (4-9) connecting the tops of the conical lock (1) together.
5. The disposable peel-off type self-destruction syringe as set forth in claim 2, wherein the locking maintaining mechanism comprises a locking protrusion (4-10) protruding from the lower side of the tapered locking buckle (1), and a wake-up locking strip (4-11) engaged with the locking protrusion (4-10) is formed protruding from the annular locking protrusion (2-1).
6. The disposable peel-off type self-destruction syringe according to any one of claims 1 to 4, wherein the top of the rubber plug structure (4) is convexly formed with a lower plug cone (1-2), and the core rod (3) is formed with an opening (3-1) which is in interference fit with the lower plug cone (1-2).
7. The disposable peel-off self-destruction syringe according to claim 1, wherein the mounting block (4-5) is connected with a lower cork cone (1-2); the bottom of the core rod (3) is circumferentially protruded to form a ring clamping plate (3-2), and the middle part of the ring clamping plate (3-2) is provided with an opening (3-1) matched with the lower plug cone (1-2).
8. The disposable peel-off type self-destruction syringe according to claim 6, wherein the top of the conical plate (3-2) is fixed with an elastic clamping block (3-3) matched with the lower cork cone (1-2), and the outer end of the elastic clamping block (3-3) is a conical end part (3-4) matched with the upper snap ring structure (4-7).
9. The disposable peel-off self-destruction syringe according to claim 5, wherein the lower plug cone (1-2) and the opening (3-1) are both cone-shaped; an avoiding gap is formed between the adjacent conical lock catches (1).
10. The disposable peel-off self-destruction syringe according to claim 4, wherein the rubber plug sheath (4-1) is made of rubber; the mounting block (4-5), the conical lock catch (1) and the lower plug cone (1-2) are integrally made of elastic plastic; the number of the conical lock catches (1) is two, and the two conical lock catches (1) are arranged oppositely.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010020075.1A CN111135390A (en) | 2020-01-09 | 2020-01-09 | Disposable stripping type self-destruction syringe |
| PCT/CN2021/070204 WO2021139631A1 (en) | 2020-01-09 | 2021-01-05 | Disposable stripping-type self-destructing syringe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010020075.1A CN111135390A (en) | 2020-01-09 | 2020-01-09 | Disposable stripping type self-destruction syringe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111135390A true CN111135390A (en) | 2020-05-12 |
Family
ID=70524099
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010020075.1A Pending CN111135390A (en) | 2020-01-09 | 2020-01-09 | Disposable stripping type self-destruction syringe |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN111135390A (en) |
| WO (1) | WO2021139631A1 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111544701A (en) * | 2020-06-12 | 2020-08-18 | 山东中保康医疗器具有限公司 | Self-destruction pre-charging type tube-flushing injector |
| WO2021139631A1 (en) * | 2020-01-09 | 2021-07-15 | 湖南省绿洲惠康发展有限公司 | Disposable stripping-type self-destructing syringe |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2689765B1 (en) * | 1992-04-10 | 1999-07-09 | Constantin Vounatsos | UNI INJECTION SYRINGE. |
| US6872191B2 (en) * | 2002-07-08 | 2005-03-29 | M.K. Meditech Co., Ltd. | Self-destructive syringe |
| US6827704B1 (en) * | 2003-05-15 | 2004-12-07 | Ching Chao Hou | Safety syringe |
| CN201131993Y (en) * | 2007-11-27 | 2008-10-15 | 张洪杰 | Disposable self-breaking syringe |
| CN201578702U (en) * | 2009-12-30 | 2010-09-15 | 扬州美德莱医疗用品有限公司 | Self-destroying disposable syringe |
| CN201643257U (en) * | 2010-04-16 | 2010-11-24 | 扬州美德莱医疗用品有限公司 | Self-destroying disposable safety syringe |
| CN111135390A (en) * | 2020-01-09 | 2020-05-12 | 湖南省绿洲惠康发展有限公司 | Disposable stripping type self-destruction syringe |
| CN111110960A (en) * | 2020-01-16 | 2020-05-08 | 湖南省绿洲惠康发展有限公司 | Disposable double self-destruction syringe |
-
2020
- 2020-01-09 CN CN202010020075.1A patent/CN111135390A/en active Pending
-
2021
- 2021-01-05 WO PCT/CN2021/070204 patent/WO2021139631A1/en active Application Filing
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021139631A1 (en) * | 2020-01-09 | 2021-07-15 | 湖南省绿洲惠康发展有限公司 | Disposable stripping-type self-destructing syringe |
| CN111544701A (en) * | 2020-06-12 | 2020-08-18 | 山东中保康医疗器具有限公司 | Self-destruction pre-charging type tube-flushing injector |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2021139631A1 (en) | 2021-07-15 |
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