CN212016355U - Infusion apparatus capable of preventing needle-stick injury - Google Patents
Infusion apparatus capable of preventing needle-stick injury Download PDFInfo
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- CN212016355U CN212016355U CN202020210977.7U CN202020210977U CN212016355U CN 212016355 U CN212016355 U CN 212016355U CN 202020210977 U CN202020210977 U CN 202020210977U CN 212016355 U CN212016355 U CN 212016355U
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- needle
- cylinder
- connecting cylinder
- limiting
- teeth
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Abstract
The utility model discloses the application belongs to medical instrument's technical field, specifically discloses a prevent that acupuncture hinders transfusion system, including infusion hose and transfusion needle, still include the cylinder, sliding connection has the connecting cylinder in the cylinder, the one end and the transfusion needle of connecting cylinder communicate each other, the other end and the infusion hose of connecting cylinder communicate each other, be equipped with the spacing unit of mutually supporting on cylinder and the connecting cylinder, spacing unit is used for restricting cylinder and connecting cylinder mutual slip. The utility model can protect the transfusion needle after the transfusion needle is used, and avoid stabbing the medical staff.
Description
Technical Field
The utility model belongs to the technical field of medical instrument, a prevent that acupuncture hinders transfusion system is specifically disclosed.
Background
Puncture wounds are the most common occupational injury in nursing work, and a plurality of pathogens are transmitted through the puncture wounds, and account for 80% of nurses in wounded persons, so that the main reason for causing hematogenous diseases to medical staff is caused by the contaminated puncture wounds.
Present clinical disposable transfusion needle of using, mostly use with disposable transfusion system is supporting, the transfusion system mainly by bottle plug puncture ware protective sheath, the bottle plug puncture ware, the infusion hose, the burette, the dropping funnel, flow regulator, liquid medicine filter and transfusion needle constitute, the transfusion needle syringe needle is using the back, because the transfusion needle syringe needle does not have protection device and exposes outside, the nurse is when retrieving the transfusion needle of extracting, the transfusion needle syringe needle punctures medical personnel or the personnel of handling medical waste very easily, cause secondary pollution, medical staff's occupation exposure risk has been increased.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a prevent that acupuncture hinders transfusion system, aim at can protecting the syringe needle after the transfusion needle syringe needle finishes using, avoid stabbing medical staff.
In order to achieve the above object, the basic scheme of the utility model is:
the utility model provides a prevent that acupuncture hinders transfusion system, includes infusion hose and infusion needle, still includes the cylinder, sliding connection has the connecting cylinder in the cylinder, the one end and the infusion needle of connecting cylinder communicate each other, the other end and the infusion hose of connecting cylinder communicate each other, be equipped with the spacing unit of mutually supporting on cylinder and the connecting cylinder, spacing unit is used for restricting cylinder and connecting cylinder mutual slip.
The working principle and the beneficial effects of the basic scheme are as follows:
the needle cylinder and the connecting cylinder are in sliding connection, so that after the infusion needle is used, the infusion needle slides into the needle cylinder to be stored through the sliding needle cylinder or the connecting cylinder, the needle cylinder plays a role in shielding and protecting the infusion needle, the medical staff is prevented from being punctured by the needle head of the infusion needle, and the occupational exposure risk of the medical staff is effectively reduced.
In addition, can play stable effect at the in-process that uses the infusion needle through setting up spacing unit among this technical scheme, avoid the infusion needle to produce and rock and influence medical staff's normal puncture, avoid causing the injury to the patient, improve the success rate of puncture, and improved the security of puncture to can also take in the back in slipping the infusion needle to the cylinder, avoid producing between connecting cylinder and the cylinder and slide and make the infusion needle roll-off cylinder expose outside once more.
Further, spacing unit includes spacing tooth and a plurality of pawl, and is a plurality of the pawl distribute along the axial equidistance of connecting cylinder, the pawl all with the outside fixed connection of connecting cylinder, spacing tooth is located the lower part of cylinder and with the inside wall fixed connection of cylinder, the pawl one end that is not connected with the connecting cylinder is to transfusion needle direction slope, spacing tooth with the pawl is parallel to each other, spacing tooth with the pawl homoenergetic produces elastic deformation, spacing tooth insert adjacent two spacing tooth between.
Through setting up spacing tooth and a plurality of pawl among this technical scheme, through the connecting cylinder that slides down, can make spacing tooth play the effect of locking to the pawl all the time, avoid producing between connecting cylinder and the cylinder and rock, and simultaneously, because the slope opposite direction of pawl and spacing tooth, and spacing tooth can insert in the pawl, consequently can play limiting displacement to the pawl, thereby play spacing fixed effect to connecting cylinder and cylinder, and because spacing tooth and pawl homoenergetic deformation nature can produce, consequently, can make spacing tooth slide along the pawl through applying external force, thereby make and produce the slip between connecting cylinder and the cylinder.
Further, spacing unit includes spacing tooth and a plurality of pawl, and is a plurality of the pawl distribute along the axial equidistance of cylinder, spacing tooth is located the upper portion of connecting cylinder and with the lateral wall fixed connection of connecting cylinder, the one end that spacing tooth is not connected with the connecting cylinder is to transfusion needle direction slope, the pawl with spacing tooth is parallel to each other spacing tooth with the pawl homoenergetic produces elastic deformation, spacing tooth insert adjacent two spacing tooth between.
The technical scheme is another connecting and mounting scheme of the limiting teeth and the inverted teeth in the previous technical scheme, the principle and the structure of the connecting and mounting scheme are the same, and the limiting effect on the connecting cylinder and the needle cylinder can be realized.
Furthermore, a first sliding hole and a second sliding hole are respectively formed in the two ends of the needle cylinder, and the two ends of the connecting cylinder can respectively extend out of the first sliding hole and the second sliding hole.
The setting of first sliding hole and second sliding hole can make the connecting cylinder slip in or the roll-off cylinder among this technical scheme to can accomodate the transfusion needle.
Furthermore, one end of the connecting cylinder, which is far away from the infusion hose, is fixedly connected with a connecting seat, and the bottom end of the infusion needle penetrates out of the connecting seat and is communicated with the connecting cylinder.
The connecting seat can play the effect of fixed infusion needle among this technical scheme, can improve the stability of infusion needle, makes medical staff more steady at the in-process that carries out the puncture to the patient.
Further, the height of the connecting cylinder is larger than that of the needle cylinder.
So set up, medical staff can be held the connecting cylinder in one hand when needs slip cylinder and connecting cylinder, and the cylinder is held to another hand, then through exerting external force pulling connecting cylinder and cylinder, makes both produce and slide to accomodate the transfusion needle in the cylinder, make the cylinder play the effect of protection to the transfusion needle.
Further, spacing unit includes spacing groove and lug, the spacing groove is located on the inside wall of cylinder, the lug is located the upper portion of connecting cylinder and with connecting cylinder fixed connection, the spacing groove includes first transverse groove, second transverse groove and erects the groove, first transverse groove and second transverse groove are located respectively erect the both ends in groove and with erect the perpendicular setting in groove, the lug can along first transverse groove, second transverse groove and erect the groove and slide.
First transverse groove and second transverse groove can restrict the connecting cylinder and slide from top to bottom along the cylinder among this technical scheme, thereby play spacing effect to connecting cylinder and cylinder, make that medical staff can be smooth puncture patient, when needs sliding connection section of thick bamboo and cylinder, through rotating cylinder or connecting cylinder, make the lug on the connecting cylinder move to perpendicular inslot, cylinder and connecting cylinder can slide each other this moment, thereby make in the transfusion needle accomodates the cylinder, avoid the transfusion needle to expose outside and produce harm to medical staff, the lug among this technical scheme, first transverse groove and second transverse groove can play limiting displacement before sliding cylinder and connecting cylinder and after sliding cylinder and the connecting cylinder, avoid producing between cylinder and the connecting cylinder and slide.
Further, the first transverse groove and the second transverse groove are respectively positioned on two sides of the vertical groove.
So set up, can slide the lug to erecting groove and sliding connection section of thick bamboo or cylinder after from first transverse groove, through rotating cylinder or connecting cylinder, make the lug get into the second transverse groove and lock the lug, thereby the transfusion needle is accomodate behind the cylinder, lug and second transverse groove can play limiting displacement to connecting cylinder and cylinder, the process with the first transverse groove of lug roll-off and slide-in second transverse groove among this technical scheme, the rotation when rotating the connecting cylinder or rotating the cylinder is the same, the medical staff's operation of being convenient for more.
Further, the width of the first transverse groove is gradually reduced from one end far away from the vertical groove to the other end, and the width of the second transverse groove is gradually reduced from one end far away from the vertical groove to the other end.
So set up and can be blocked in first transverse groove and second transverse groove after the lug slips into first transverse groove and second transverse groove to make the lug be difficult to withdraw from in first transverse groove or the second transverse groove, it is better to the locking effect of lug like this, can effectively reduce rocking that produces between cylinder and the connecting cylinder, thereby improved the security and the stability of puncture.
Furthermore, the outer side wall of the needle cylinder is fixedly connected with a needle handle.
The needle handle is arranged to facilitate the puncture of medical staff for patients, and the needle handle can improve the area of the syringe held by the medical staff, thereby facilitating the operation.
Drawings
FIG. 1 is a longitudinal cross-sectional view of a first embodiment of a needle-stick injury prevention infusion apparatus of the present invention;
FIG. 2 is an enlarged view of a portion of FIG. 1 at A;
FIG. 3 is a schematic view of a state after an infusion needle is stored in a needle cylinder according to an embodiment of the infusion apparatus for preventing needle stick injury of the present invention;
FIG. 4 is a cross-sectional view of a longitudinal section of a second embodiment of the anti-needle-stick infusion set of the present invention;
FIG. 5 is a partial enlarged view of the portion B in FIG. 4;
FIG. 6 is a longitudinal cross-sectional view of a third embodiment of the anti-needle-stick infusion set of the present invention;
FIG. 7 is a cross-sectional view of a longitudinal section of a third syringe in an embodiment of the infusion apparatus for preventing needle stick injury of the present invention;
fig. 8 is a longitudinal section sectional view of a needle cylinder in the fourth embodiment of the infusion apparatus for preventing needle-stick injury of the present invention.
Detailed Description
The following is further detailed by way of specific embodiments:
reference numerals in the drawings of the specification include: the device comprises a needle cylinder 1, a needle handle 2, a connecting cylinder 3, an infusion needle 4, a first sliding hole 5, a limiting tooth 6, a pawl 7, an infusion hose 8, a second sliding hole 9, a vertical groove 10, a first transverse groove 11, a second transverse groove 12, a bump 13 and a connecting seat 14.
Example one
The embodiment is basically as shown in the attached figure 1: a puncture-injury-preventing infusion apparatus comprises a bottle stopper puncture outfit, a bottle stopper puncture outfit protective sleeve, an infusion hose 8, a dropper, a dropping funnel, a flow regulator, a liquid medicine filter and an infusion needle 4, wherein the bottle stopper puncture outfit protective sleeve, the bottle stopper puncture outfit, the dropper, the dropping funnel, the flow regulator and the liquid medicine filter are not shown in the figure.
The anti-needle-stick infusion apparatus in the embodiment further comprises a needle cylinder 1, a needle handle 2 is integrally formed on the outer side of the needle cylinder 1, a connecting cylinder 3 is connected to the needle cylinder 1 in a sliding mode, the connecting cylinder 3 is hollow inside, one end of the connecting cylinder 3 is communicated with an infusion needle 4, and the other end of the connecting cylinder 3 is fixedly and communicated with an infusion hose 8 in a mutual bonding mode. The inside cavity of cylinder 1, and the lower extreme of cylinder 1 has seted up first sliding hole 5 coaxially, and the upper end of cylinder 1 has seted up second sliding hole 9 coaxially, and connecting cylinder 3 sets up with cylinder 1 coaxially, and first sliding hole 5 and second sliding hole 9 can stretch out respectively at the both ends of connecting cylinder 3.
In this embodiment, a connecting seat 14 is fixedly bonded to one end of the connecting cylinder 3 away from the infusion hose 8, and the bottom end of the infusion needle 4 penetrates through the connecting seat 14 and is communicated with the connecting cylinder 3. Under initial state, connecting seat 14 is located the upper end of connecting cylinder 3, and transfusion needle 4 is located the cylinder 1 outside, and the height of connecting cylinder 3 is greater than the height of cylinder 1 in this embodiment, and such setting can make the one end that transfusion needle 4 was kept away from to connecting cylinder 3 expose in the outside of cylinder 1, and the medical staff of being convenient for is handheld connecting cylinder 3.
The needle cylinder 1 and the connecting cylinder 3 are provided with mutually matched limiting units which are used for limiting the mutual sliding of the needle cylinder 1 and the connecting cylinder 3. The limiting unit in the embodiment comprises a limiting tooth 6 and a plurality of inverted teeth 7, the plurality of inverted teeth 7 are distributed equidistantly along the axial direction of the connecting cylinder 3, the inverted teeth 7 are integrally formed with the outer side of the connecting cylinder 3, the limiting tooth 6 is positioned at the lower part of the needle cylinder 1 and is integrally formed with the inner side wall of the needle cylinder 1, one end of the inverted tooth 7, which is not connected with the connecting cylinder 3, inclines towards the direction of the transfusion needle 4, the right end of the limiting tooth 6 inclines towards the right lower side, and the limiting tooth 6 and the inverted teeth 7 are parallel to each other, as shown in a combined figure 2, the limiting tooth 6 is inserted between two adjacent inverted teeth 7, one end of the inverted tooth 7, which is far away from the connecting cylinder 3, is chamfered, one end of the limiting tooth 6, which is far away from the needle cylinder 1, is chamfered corners are arranged on the inverted teeth 7 and the limiting teeth 6, so that the sliding between the limiting tooth 6 and the inverted teeth 7, such an arrangement enables both the limit teeth 6 and the pawl 7 to be elastically deformed.
Combine shown in fig. 3, during the use, medical staff takes out back from patient's skin with transfusion needle 4, medical staff holds needle holder 2 on the cylinder 1 with one hand, another hand holds connecting cylinder 3, then exert external force, pulling connecting cylinder 3 downwards, make connecting cylinder 3 slide downwards, thereby make transfusion needle 4 accomodate to cylinder 1 inside, after the tip of transfusion needle 4 stretched into in the cylinder 1 completely, stop sliding connecting cylinder 3 downwards, at this moment under spacing tooth 6 and pawl 7's effect, can restrict the slip between connecting cylinder 3 and the cylinder 1, can effectually avoid connecting cylinder 3 to roll off in the cylinder 1 once more like this, make transfusion needle 4 can effectually be accomodate in cylinder 1, and then reduced medical staff's occupation exposure risk, the staff that has also avoided the later stage to carry out the collection processing to the transfusion system causes the puncture simultaneously.
Example two
Referring to fig. 4 and 5, the needle stick injury prevention infusion apparatus differs from the first embodiment in that: the limiting teeth 6 in the embodiment are located on the upper portion of the connecting cylinder 3 and are integrally formed with the outer side wall of the connecting cylinder 3, one end, which is not connected with the connecting cylinder 3, of the limiting teeth 6 inclines towards the infusion needle 4, and the right end of the inverted tooth 7 inclines towards the lower right and is parallel to the limiting teeth 6. The one end that connecting cylinder 3 was kept away from to spacing tooth 6 has the fillet, and the one end that cylinder 1 was kept away from to pawl 7 has the fillet, and spacing tooth 6 and pawl 7 in this embodiment all adopt the plastics material to make.
During the use, after medical staff takes out transfusion needle 4 from patient's skin, syringe 1 is handed to medical staff's one hand, connecting cylinder 3 is handed to the other hand, through applying external force, can be through upwards pulling syringe 1, make transfusion needle 4 accomodate in syringe 1, also can be through downwards pulling connecting cylinder 3, make transfusion needle 4 accomodate in syringe 1, thereby make syringe 1 play the effect of sheltering from to transfusion needle 4, avoid causing the harm of stabbing to medical staff or the personnel of handling the transfusion system to other collections.
EXAMPLE III
As shown in fig. 6, the difference between the needle-stick-prevention infusion apparatus and the first embodiment is that: the limiting unit in this embodiment includes a limiting groove and a bump 13, the limiting groove is located on the inner side wall of the syringe 1, the bump 13 and the outer side wall of the connecting cylinder 3 are integrally formed, and the bump 13 is located on the upper portion of the connecting cylinder 3.
As shown in fig. 7, the limiting groove includes a first transverse groove 11, a second transverse groove 12 and a vertical groove 10, the vertical groove 10 is disposed along an axial direction parallel to the needle cylinder 1, the first transverse groove 11 and the second transverse groove 12 are respectively located at two ends of the vertical groove 10 and are disposed perpendicular to the vertical groove 10, in this embodiment, the first transverse groove 11 and the second transverse groove 12 are respectively located at two sides of the vertical groove 10 and are communicated with the vertical groove 10, so that the whole limiting groove is a through groove structure.
The projection 13 is inserted into the limiting groove and can slide along the first transverse groove 11, the second transverse groove 12 and the vertical groove 10.
When the device is used, when a patient is punctured, the bump 13 is positioned in the first transverse groove 11, the infusion needle 4 is positioned outside the needle cylinder 1 at the moment, after the infusion is finished for the patient, the medical staff takes the infusion needle 4 out of the skin of the patient, then, the medical staff holds the needle cylinder 1 with one hand and holds the connecting cylinder 3 with the other hand, and keeps the connecting cylinder 3 still by rotating the needle cylinder 1 anticlockwise, so that the bump 13 on the connecting cylinder 3 slides into the vertical groove 10 from the first transverse groove 11 (of course, the connecting cylinder 3 can also be rotated anticlockwise, so that the needle cylinder 1 is kept still, so that the bump 13 on the connecting cylinder 3 slides into the vertical groove 10 from the first transverse groove 11), then, the connecting cylinder 3 is pulled downwards to enable the bump 13 to slide along the vertical groove 10, so that the infusion needle 4 gradually slides into the needle cylinder 1 to be stored, when the bump 13 abuts against the bottom end of the second transverse groove 12, through anticlockwise rotation cylinder 1 once more, make lug 13 slide to the horizontal groove of second 12 in to make the horizontal groove of second 12 carry on spacingly to lug 13, avoid connecting cylinder 3 roll-off cylinder 1 once more and make transfusion needle 4 expose outside, thereby avoid transfusion needle 4 to cause the harm of stabbing to medical staff.
Example four
As shown in fig. 8, the difference between the needle-stick-resistant infusion apparatus and the third embodiment is that: in the embodiment, the width of the first transverse groove 11 is gradually reduced from one end far away from the vertical groove 10 to the other end, the width of the second transverse groove 12 is gradually reduced from one end far away from the vertical groove 10 to the other end, this arrangement enables both the projection 13 to slide into the first and second transverse slots 11 and 12, meanwhile, the lug 13 can be clamped in the first transverse groove 11 or the second transverse groove 12 after sliding into the first transverse groove 11 or the second transverse groove 12, and the lug 13 is not easy to withdraw from the first transverse groove 11 or the second transverse groove 12, so that the locking effect on the lug 13 is better, the stability between the connecting cylinder 3 and the needle cylinder 1 is effectively improved, the problems that in the process of puncturing a patient and after the transfusion needle 4 is accommodated into the needle cylinder 1 are solved, the needle cylinder 1 and the connecting cylinder 3 are shaken, so that the puncture safety is effectively improved, and the damage caused by the fact that the transfusion needle 4 slides out of the needle cylinder 1 again is effectively avoided.
The above description is only an example of the present invention, and the common general knowledge of the known specific structures and characteristics of the embodiments is not described herein. It should be noted that, for those skilled in the art, without departing from the structure of the present invention, several modifications and improvements can be made, which should also be regarded as the protection scope of the present invention, and these will not affect the effect of the implementation of the present invention and the practicability of the patent.
Claims (10)
1. The utility model provides a prevent that acupuncture hinders transfusion system, includes infusion hose and infusion needle, its characterized in that still includes the cylinder, sliding connection has the connecting cylinder in the cylinder, the one end and the infusion needle of connecting cylinder communicate each other, the other end and the infusion hose of connecting cylinder communicate each other, be equipped with the spacing unit of mutually supporting on cylinder and the connecting cylinder, spacing unit is used for restricting cylinder and connecting cylinder mutual slip.
2. The needle-prick prevention infusion apparatus according to claim 1, wherein the limiting unit comprises a plurality of limiting teeth and a plurality of inverted teeth, the plurality of inverted teeth are distributed along the axial direction of the connecting cylinder at equal intervals, the inverted teeth are fixedly connected with the outer side of the connecting cylinder, the limiting teeth are located at the lower part of the needle cylinder and fixedly connected with the inner side wall of the needle cylinder, one end of the inverted teeth, which is not connected with the connecting cylinder, is inclined towards the direction of the infusion needle, the limiting teeth are parallel to the inverted teeth, the limiting teeth and the inverted teeth can elastically deform, and the limiting teeth are inserted between two adjacent limiting teeth.
3. The needle-prick prevention infusion apparatus according to claim 1, wherein the limiting unit comprises a plurality of limiting teeth and a plurality of inverted teeth, the plurality of inverted teeth are distributed equidistantly along the axial direction of the needle cylinder, the limiting teeth are located on the upper portion of the connecting cylinder and fixedly connected with the outer side wall of the connecting cylinder, one end of each limiting tooth, which is not connected with the connecting cylinder, inclines towards the direction of the infusion needle, the inverted teeth and the limiting teeth are parallel to each other, the limiting teeth and the inverted teeth can elastically deform, and the limiting teeth are inserted between two adjacent limiting teeth.
4. The infusion apparatus capable of preventing needle stick injury according to claim 2 or 3, wherein a first sliding hole and a second sliding hole are respectively formed at two ends of the needle cylinder, and two ends of the connecting cylinder can respectively extend out of the first sliding hole and the second sliding hole.
5. The needle-prick prevention infusion apparatus according to claim 4, wherein a connecting base is fixedly connected to one end of the connecting cylinder away from the infusion hose, and the bottom end of the infusion needle penetrates out of the connecting base and is communicated with the connecting cylinder.
6. The needle stick injury prevention infusion set according to claim 4, wherein the height of the connecting cylinder is larger than the height of the needle cylinder.
7. The infusion apparatus according to claim 1, wherein the limiting unit comprises a limiting groove and a protrusion, the limiting groove is located on the inner side wall of the needle cylinder, the protrusion is located on the upper portion of the connecting cylinder and is fixedly connected with the connecting cylinder, the limiting groove comprises a first transverse groove, a second transverse groove and a vertical groove, the first transverse groove and the second transverse groove are respectively located at two ends of the vertical groove and are perpendicular to the vertical groove, and the protrusion can slide along the first transverse groove, the second transverse groove and the vertical groove.
8. The needle stick injury prevention infusion set according to claim 7, wherein the first transverse groove and the second transverse groove are respectively located on two sides of the vertical groove.
9. The needle-stick-injury-prevention infusion set according to claim 8, wherein the width of the first transverse groove gradually decreases from one end far away from the vertical groove to the other end, and the width of the second transverse groove gradually decreases from one end far away from the vertical groove to the other end.
10. The needle-stick-injury-prevention infusion set according to claim 1, wherein a needle handle is fixedly connected to the outer side wall of the needle cylinder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020210977.7U CN212016355U (en) | 2020-02-25 | 2020-02-25 | Infusion apparatus capable of preventing needle-stick injury |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020210977.7U CN212016355U (en) | 2020-02-25 | 2020-02-25 | Infusion apparatus capable of preventing needle-stick injury |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212016355U true CN212016355U (en) | 2020-11-27 |
Family
ID=73491599
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020210977.7U Expired - Fee Related CN212016355U (en) | 2020-02-25 | 2020-02-25 | Infusion apparatus capable of preventing needle-stick injury |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212016355U (en) |
-
2020
- 2020-02-25 CN CN202020210977.7U patent/CN212016355U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20201127 |
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| CF01 | Termination of patent right due to non-payment of annual fee |