CN105903101A - Needle head protection sleeve of intravenous injection needle - Google Patents
Needle head protection sleeve of intravenous injection needle Download PDFInfo
- Publication number
- CN105903101A CN105903101A CN201610502624.2A CN201610502624A CN105903101A CN 105903101 A CN105903101 A CN 105903101A CN 201610502624 A CN201610502624 A CN 201610502624A CN 105903101 A CN105903101 A CN 105903101A
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- CN
- China
- Prior art keywords
- needle
- arc spring
- spring lamination
- cambered way
- chamber
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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
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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 medical instrument, in particular to a needle head protection sleeve of an intravenous injection needle. The needle head protection sleeve comprises an arc-shaped sliding way and a needle head containing cavity, wherein the arc-shaped sliding way and the needle head containing cavity are connected through a transition section; the arc-shaped sliding way is communicated with the needle head containing cavity; two needle handle fixing devices are arranged in the arc-shaped sliding way; the distance between the two needle handle fixing devices is less than the lengths of the needle handles and greater than the lengths of needing handle holding blocks; the needle head containing cavity is a cylinder with one end enclosed. According to the needle head protection sleeve of the intravenous injection needle, the needle head fixing devices in the arc-shaped sliding way are utilized to fix the needle handle of the intravenous injection needle, and the needle head is limited in the needle head containing cavity, so that the needle head is prevented from stabbing the medical personnel and then the health of the medical personal is effectively ensured.
Description
Technical field
The present invention relates to a kind of medical instruments, specifically a kind of intravenous needle needle protection set.
Background technology
Intravenous injection is the most universal work within the hospital, owing to operating pressure is big or long-time, the work of high intensity, medical personnel there will be fatigue unavoidably, is happened occasionally by the situation of intravenous needle needle sting, easily cause virus with blood-borne, the health of medical personnel is caused great threat.
Current method is usually extracts syringe needle rear alignment pins headgear mouth insertion pinhead sleeve from patient body or is inserted directly into mouth of infusion bottle, it is put in disposable box extracting after returning to operating room, medical worker usually cannot alignment pins headgear mouth or mouth of infusion bottle, being easy to during insertion misplace and directly stab medical worker, therefore the method cannot effectively play protective action.
Summary of the invention
In order to solve the problem that prior art exists, the present invention provides a kind of intravenous needle needle protection set, the needle handle that this protective jacket utilizes the needle handle fixing device in cambered way to limit intravenous needle moves forward and backward, needle tip is limited in syringe needle and accommodates in chamber, intravenous needle is difficult to come off from cambered way, prevent needle tip from stabbing medical personnel, the health of medical personnel has been effectively ensured.
The present invention adopts the following technical scheme that intravenous needle needle protection set, chamber is accommodated including cambered way and syringe needle, cambered way accommodates with syringe needle and is connected by changeover portion between chamber, cambered way accommodates chamber with syringe needle and communicates, two needle handle fixing devices are had in cambered way, distance between two needle handle fixing devices is less than the length of needle handle and is affectedly bashful the length of block more than needle handle, and described syringe needle accommodates the cylinder that chamber is an end closure.
The present invention intravenous needle needle protection set occupation mode be: when medical personnel by intravenous needle after patient body is extracted, at hand-held venous needle protective jacket needle handle fixing device, syringe needle accommodates chamber towards outside health, syringe needle is inserted into syringe needle and accommodates in chamber, then intravenous needle is pressed into needle handle fixing device above needle handle fixing device, needle handle fixing device is utilized to be strapped in the confined space by needle handle, owing to needle handle is in bond, immovable go out cambered way, ensure that needle tip is positioned in the protection that syringe needle accommodates chamber, prevent syringe needle from accidentally injuring medical personnel, effectively protection medical personnel are healthy, reduce the bloodborne diseases harm to medical personnel.
As one embodiment of the present of invention, described needle handle fixing device is made up of the first arc spring lamination and the second arc spring lamination, first arc spring lamination and second arc spring lamination one end are fixed on cambered way, the other end is close together with in back-to-back fashion, and the first arc spring lamination and the second arc spring lamination abut but be not connected to.When medical personnel by intravenous needle after patient body is extracted, syringe needle is inserted syringe needle from changeover portion and accommodates chamber, then needle handle is pressed down on, first arc spring lamination and the second arc spring lamination are due to the extruding force by needle handle, open to both sides, so that needle handle enters cambered way from the opened part of the first arc spring lamination and the second arc spring lamination, first arc spring lamination and the second arc spring lamination are abutted together under elastic-restoring force effect again afterwards, thus needle handle is limited between needle handle fixing device and cambered way, needle handle is affectedly bashful block then between two needle handle fixing devices, limited it by two needle handle fixing devices to move, prevent needle handle from skidding off from cambered way, so that needle tip is in needle protection chamber all the time.
As an alternative embodiment of the invention, described needle handle fixing device is made up of the first arc spring lamination and the second arc spring lamination, first arc spring lamination and second arc spring lamination one end are fixed on cambered way, the other end is fixed together with in back-to-back fashion, first arc spring lamination and the second arc spring lamination are respectively arranged with a semicircular needle handle holding tank near bottom end, and two needle handle holding tanks are positioned opposite.When medical personnel by intravenous needle after patient body is extracted, syringe needle is inserted syringe needle from changeover portion and accommodates chamber, then needle handle is pressed down on, first arc spring lamination and the second arc spring lamination are due to the extruding force by needle handle, open to both sides, so that needle handle enters needle handle holding tank from the opened part of the first arc spring lamination and the second arc spring lamination, first arc spring lamination and the second arc spring lamination are abutted together under elastic-restoring force effect again afterwards, thus needle handle is limited in needle handle holding tank, needle handle is affectedly bashful block then between two needle handle fixing devices, limited it by two needle handle fixing devices to move, so that needle tip is in needle protection chamber all the time.
Further, cambered way also has needle fixture, needle fixture is near changeover portion, described needle fixture is made up of the 3rd arc spring lamination and the 4th arc spring lamination, 3rd arc spring lamination and the 4th arc spring lamination one end are fixed on cambered way, the other end links together with in back-to-back fashion, and the 3rd arc spring lamination and the 4th arc spring lamination abut but be not connected to.Syringe needle, by pressure, was pressed into cambered way before the 3rd arc spring lamination and the 4th arc spring lamination, is then pushed forward into syringe needle and accommodates in chamber, it is possible to prevents syringe needle from upwarping, and needle tip gets out from syringe needle receiving chamber.
Further, cambered way also has needle fixture, needle fixture is near changeover portion, described needle fixture is made up of the 3rd arc spring lamination and the 4th arc spring lamination, 3rd arc spring lamination and the 4th arc spring lamination one end are fixed on cambered way, the other end is fixed together with in back-to-back fashion, and the 3rd arc spring lamination and the 4th arc spring lamination are respectively arranged with a semicircular syringe needle holding tank near bottom end, and two syringe needle holding tanks are positioned opposite.Syringe needle is by pressure, it was pressed into syringe needle holding tank before the 3rd arc spring lamination and the 4th arc spring lamination, is limited it by syringe needle holding tank and move up and down, be then pushed forward into syringe needle and accommodate in chamber, syringe needle range of activity can be reduced, prevent syringe needle from accommodating chamber from syringe needle.
Closer, syringe needle is also equipped with disinfecting substance in accommodating chamber.Syringe needle inserts syringe needle and accommodates in chamber, is sterilized material sterilization, such that make later stage syringe needle accidentally drop out, also reduces the harm to medical personnel because of the most sterilized.
The intravenous needle needle protection set of the present invention utilizes two needle handle fixing devices intravenous needle to be fixed in slideway; the needle tip (needle point) making intravenous needle is positioned at syringe needle and accommodates in chamber; preventing syringe needle from hurting sb.'s feelings, protection medical personnel are healthy, and can reuse.
Accompanying drawing explanation
Fig. 1 is the structural representation of intravenous needle.
Fig. 2 is the schematic diagram of the intravenous needle needle protection set of the embodiment of the present invention one.
Fig. 3 is needle handle and the position relationship schematic diagram of needle handle fixing device in the embodiment of the present invention one.
Fig. 4 is the process schematic that in the embodiment of the present invention one, needle handle is pressed in cambered way.
Fig. 5 is the schematic diagram of the intravenous needle needle protection set of the embodiment of the present invention two.
Fig. 6 is the process schematic that in the embodiment of the present invention two, needle handle is pressed into needle handle holding tank.
Detailed description of the invention
Below in conjunction with the accompanying drawings embodiments of the invention are described specifically:
Embodiment one
Intravenous needle needle protection set 20, as shown in Figure 2, chamber 25 is accommodated including cambered way 21 and syringe needle, cambered way 21 accommodates with syringe needle and is connected by changeover portion 26 between chamber 25, there is above changeover portion 26 arc cover plate 24, cambered way 21 accommodates chamber 25 with syringe needle and communicates, two needle handle fixing devices 22 are had in cambered way 21, distance D between two needle handle fixing devices 22 is less than length L2 of intravenous needle 10 needle handle 12, and length L1 of block 13 it is affectedly bashful more than needle handle, as shown in Figure 3, syringe needle accommodates the cylinder that chamber 25 is an end closure, syringe needle accommodates in chamber 25 equipped with disinfecting substance, for sterilizing for syringe needle 14.
Described needle handle fixing device 22 is made up of the first arc spring lamination 22a and the second arc spring lamination 22b, first arc spring lamination 22a and second arc spring lamination 22b one end are fixed on cambered way 21, the other end is close together with in back-to-back fashion, and the first arc spring lamination 22a and the second arc spring lamination 22b abuts but is not connected to.nullWhen medical personnel by intravenous needle 10 after patient body is extracted，Near hand-held needle handle fixing device 22，Syringe needle accommodates chamber 25 towards outside health，Syringe needle 14 inserts syringe needle accommodate in chamber 25，Then needle handle 12 is pressed down on，First arc spring lamination 22a and the second arc spring lamination 22b is due to the extruding force by needle handle 12，Open to both sides，So that needle handle 12 enters cambered way 21 from the opened part of the first arc spring lamination 22a and the second arc spring lamination 22b，First arc spring lamination 22a and the second arc spring lamination 22b is abutted together under elastic-restoring force effect again afterwards，Thus needle handle 12 is limited between needle handle fixing device 22 and cambered way 21，Needle handle is affectedly bashful block 13 then between two needle handle fixing devices 22，Limited it by two needle handle fixing devices 22 to move，Prevent needle handle 12 from skidding off from cambered way 21，So that syringe needle 14 tip is in needle protection chamber 25 all the time，Its process is as shown in Figure 4.
During use, the syringe needle 14 of intravenous needle 10 is inserted syringe needle and accommodates in chamber 25, then pressing needle handle 12, make needle handle 12 from being pressed between the first arc spring lamination 22a and the second arc spring lamination 22b cambered way 21, and utilize two needle handle fixing devices 22 to limit the movable distance of needle handle 12, thus syringe needle 14 is limited in needle protection chamber 25, it is to avoid medical personnel stabbed by syringe needle 12, syringe needle 14 can be carried out disinfection by the disinfecting substance that syringe needle accommodates in chamber 25, reduces the probability infected.
Embodiment two
nullIntravenous needle needle protection set 20，As shown in Figure 5，Chamber 25 is accommodated including cambered way 21 and syringe needle，Cambered way 21 accommodates with syringe needle and is connected by changeover portion 26 between chamber 25，There is above changeover portion 26 arc cover plate 24，Cambered way 21 accommodates chamber 25 with syringe needle and communicates，Two needle handle fixing devices 22 and a needle fixture 23 is had in cambered way 21，Distance between needle fixture 23 and adjacent needle handle fixing device 22 is less than the length of syringe needle 14，Distance D between two needle handle fixing devices 22 is less than length L2 of intravenous needle 10 needle handle 12，And length L1 of block 13 it is affectedly bashful more than needle handle，And，Needle handle 12 push ahead the needle handle fixing device 22 on right side contact needle handle be affectedly bashful block 13 time，The needle handle in left side is affectedly bashful block 22 and is still pressed on needle handle 12，Without being pressed on intravenous needle flexible pipe 11，Syringe needle accommodates the cylinder that chamber 25 is an end closure，Syringe needle accommodates in chamber 25 equipped with disinfecting substance，For sterilizing for syringe needle 14.
Described needle handle fixing device 22 is made up of the first arc spring lamination 22a and the second arc spring lamination 22b, first arc spring lamination 22a and second arc spring lamination 22b one end are fixed on cambered way 21, the other end is fixed together with in back-to-back fashion, first arc spring lamination 22a and the second arc spring lamination 22b is respectively arranged with a semicircular needle handle holding tank 22c near bottom end, and two needle handle holding tank 22c are positioned opposite.When medical personnel by intravenous needle after patient body is extracted, syringe needle 14 is inserted syringe needle and accommodates in chamber 25, then needle handle 12 is pressed down on, first arc spring lamination 22a and the second arc spring lamination 22b is due to the extruding force by needle handle 12, open to both sides, so that needle handle 12 enters needle handle holding tank 22c from the opened part of the first arc spring lamination 22a and the second arc spring lamination 22b, first arc spring lamination 22a and the second arc spring lamination 22b is abutted together under elastic-restoring force effect again afterwards, thus needle handle 12 is limited in needle handle holding tank 22c, needle handle is affectedly bashful block 13 then between two needle handle fixing devices 22, limited it by two needle handle fixing devices 22 to move, so that syringe needle 14 tip is in needle protection chamber 25 all the time, its process is as shown in Figure 6.
Described needle fixture 23 is made up of the 3rd arc spring lamination 23a and the 4th arc spring lamination 23b, 3rd arc spring lamination 23a and the 4th arc spring lamination 23b one end are fixed on cambered way 21, the other end is fixed together with in back-to-back fashion, it is (similar to needle handle holding tank 22c that 3rd arc spring lamination 23a and the 4th arc spring lamination 23b is respectively arranged with a semicircular syringe needle holding tank near bottom end, but the diameter that diameter is less than needle handle holding tank 22c), two syringe needle holding tanks are positioned opposite.Syringe needle 14 is by pressure, it was pressed into before the 3rd arc spring lamination 23a and the 4th arc spring lamination 23b syringe needle holding tank, by syringe needle holding tank limit its up and down, move left and right, then it is pushed forward into syringe needle and accommodates in chamber 25, the range of activity of syringe needle 14 can be reduced, prevent syringe needle 14 from accommodating chamber 25 from syringe needle.
The foregoing is only the detailed description of the invention of the present invention; not limitation of the present invention; the equivalent transformation that the mentality of designing of every present invention of utilization and principle are made, or directly or indirectly it is used in other relevant technical fields, the most in like manner it is included in the scope of patent protection of the present invention.
Claims (6)
1. intravenous needle needle protection set, it is characterized in that: include that cambered way and syringe needle accommodate chamber, cambered way accommodates with syringe needle and is connected by changeover portion between chamber, cambered way accommodates chamber with syringe needle and communicates, two needle handle fixing devices are had in cambered way, distance between two needle handle fixing devices is less than the length of needle handle and is affectedly bashful the length of block more than needle handle, and described syringe needle accommodates the cylinder that chamber is an end closure.
Intravenous needle needle protection set the most according to claim 1, it is characterized in that: described needle handle fixing device is made up of the first arc spring lamination and the second arc spring lamination, first arc spring lamination and second arc spring lamination one end are fixed on cambered way, and the other end is abutted together with in back-to-back fashion.
Intravenous needle needle protection set the most according to claim 1, it is characterized in that: described needle handle fixing device is made up of the first arc spring lamination and the second arc spring lamination, first arc spring lamination and second arc spring lamination one end are fixed on cambered way and are, the other end is fixed together with in back-to-back fashion, first arc spring lamination and the second arc spring lamination are respectively arranged with a semicircular needle handle holding tank near bottom end, and two needle handle holding tanks are positioned opposite.
4. according to the intravenous needle needle protection set described in Claims 2 or 3, it is characterized in that: cambered way also has needle fixture, needle fixture is near changeover portion, described needle fixture is made up of the 3rd arc spring lamination and the 4th arc spring lamination, 3rd arc spring lamination and the 4th arc spring lamination one end are fixed on cambered way, the other end links together with in back-to-back fashion, and the 3rd arc spring lamination and the 4th arc spring lamination abut but be not connected to.
5. according to the intravenous needle needle protection set described in Claims 2 or 3, it is characterized in that: cambered way also has needle fixture, needle fixture is near changeover portion, described needle fixture is made up of the 3rd arc spring lamination and the 4th arc spring lamination, 3rd arc spring lamination and the 4th arc spring lamination one end are fixed on cambered way, the other end is fixed together with in back-to-back fashion, 3rd arc spring lamination and the 4th arc spring lamination are respectively arranged with a semicircular syringe needle holding tank near bottom end, and two syringe needle holding tanks are positioned opposite.
Intravenous needle needle protection set the most according to claim 1, it is characterised in that: syringe needle receiving is also equipped with disinfecting substance in chamber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610502624.2A CN105903101A (en) | 2016-06-30 | 2016-06-30 | Needle head protection sleeve of intravenous injection needle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610502624.2A CN105903101A (en) | 2016-06-30 | 2016-06-30 | Needle head protection sleeve of intravenous injection needle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105903101A true CN105903101A (en) | 2016-08-31 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610502624.2A Pending CN105903101A (en) | 2016-06-30 | 2016-06-30 | Needle head protection sleeve of intravenous injection needle |
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| Country | Link |
|---|---|
| CN (1) | CN105903101A (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4208170A (en) * | 1978-05-18 | 1980-06-17 | General Electric Company | Blade retainer |
| GB2232601A (en) * | 1989-06-15 | 1990-12-19 | Robert Derek Channon | Sterile needle protector |
| US5017189A (en) * | 1989-02-03 | 1991-05-21 | Michel Gordon | Protective cap for a hypodermic syringe |
| JP3016719U (en) * | 1995-04-07 | 1995-10-09 | 川澄化学工業株式会社 | Winged needle assembly and needle assembly |
| US5490841A (en) * | 1994-07-29 | 1996-02-13 | Landis; Robert M. | Safety sheath device |
| EP1186313A1 (en) * | 2000-09-05 | 2002-03-13 | Chien-Liang Chen | Safety cover for a hypodermic syringe |
| CN2492245Y (en) * | 2001-04-06 | 2002-05-22 | 符敦国 | Safety syringe needle cover |
| US6409705B1 (en) * | 1997-08-07 | 2002-06-25 | Noboro Hakozaki | Needle protecting cap and needle disposal instrument |
| CN204092725U (en) * | 2014-10-20 | 2015-01-14 | 徐娟 | Single use safe scalp needle |
-
2016
- 2016-06-30 CN CN201610502624.2A patent/CN105903101A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4208170A (en) * | 1978-05-18 | 1980-06-17 | General Electric Company | Blade retainer |
| US5017189A (en) * | 1989-02-03 | 1991-05-21 | Michel Gordon | Protective cap for a hypodermic syringe |
| GB2232601A (en) * | 1989-06-15 | 1990-12-19 | Robert Derek Channon | Sterile needle protector |
| US5490841A (en) * | 1994-07-29 | 1996-02-13 | Landis; Robert M. | Safety sheath device |
| JP3016719U (en) * | 1995-04-07 | 1995-10-09 | 川澄化学工業株式会社 | Winged needle assembly and needle assembly |
| US6409705B1 (en) * | 1997-08-07 | 2002-06-25 | Noboro Hakozaki | Needle protecting cap and needle disposal instrument |
| EP1186313A1 (en) * | 2000-09-05 | 2002-03-13 | Chien-Liang Chen | Safety cover for a hypodermic syringe |
| CN2492245Y (en) * | 2001-04-06 | 2002-05-22 | 符敦国 | Safety syringe needle cover |
| CN204092725U (en) * | 2014-10-20 | 2015-01-14 | 徐娟 | Single use safe scalp needle |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20160831 |