CN214512155U - Anti-drop nondestructive puncture needle suitable for infusion port - Google Patents
Anti-drop nondestructive puncture needle suitable for infusion port Download PDFInfo
- Publication number
- CN214512155U CN214512155U CN202023195972.0U CN202023195972U CN214512155U CN 214512155 U CN214512155 U CN 214512155U CN 202023195972 U CN202023195972 U CN 202023195972U CN 214512155 U CN214512155 U CN 214512155U
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- China
- Prior art keywords
- closing member
- nook closing
- horizontal
- vertical
- sleeve pipe
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- Expired - Fee Related
Links
- 238000001802 infusion Methods 0.000 title claims abstract description 31
- 238000002347 injection Methods 0.000 claims abstract description 53
- 239000007924 injection Substances 0.000 claims abstract description 53
- 230000005540 biological transmission Effects 0.000 claims abstract description 21
- 244000241796 Christia obcordata Species 0.000 claims abstract description 16
- 238000007789 sealing Methods 0.000 claims abstract description 3
- 239000007788 liquid Substances 0.000 claims description 26
- 230000007704 transition Effects 0.000 claims description 3
- 239000007799 cork Substances 0.000 claims description 2
- 230000000472 traumatic effect Effects 0.000 claims description 2
- 230000008878 coupling Effects 0.000 abstract description 2
- 238000010168 coupling process Methods 0.000 abstract description 2
- 238000005859 coupling reaction Methods 0.000 abstract description 2
- 239000012530 fluid Substances 0.000 abstract description 2
- 210000003811 finger Anatomy 0.000 description 12
- 239000003814 drug Substances 0.000 description 7
- 238000000034 method Methods 0.000 description 4
- 230000017074 necrotic cell death Effects 0.000 description 4
- 238000005192 partition Methods 0.000 description 4
- 210000003813 thumb Anatomy 0.000 description 3
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- 229940079593 drug Drugs 0.000 description 2
- 230000007794 irritation Effects 0.000 description 2
- 239000000741 silica gel Substances 0.000 description 2
- 229910002027 silica gel Inorganic materials 0.000 description 2
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000001990 intravenous administration Methods 0.000 description 1
- 238000006748 scratching Methods 0.000 description 1
- 230000002393 scratching effect Effects 0.000 description 1
- 210000002620 vena cava superior Anatomy 0.000 description 1
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- Infusion, Injection, And Reservoir Apparatuses (AREA)
Abstract
The utility model provides a be applicable to infusion port anti-drop not damaged pjncture needle, including cup jointing the feed liquor pipe that the stagnant flow pressed from both sides, feed liquor pipe one end is connected with the fluid coupling, the other end is connected with mutually perpendicular's horizontal nook closing member sleeve pipe and vertical nook closing member sleeve pipe, horizontal nook closing member sleeve pipe lateral wall is connected with butterfly wing handle, it has the puncture needle core to tightly overlap in horizontal nook closing member sleeve pipe and the central cavity of vertical nook closing member sleeve pipe, puncture needle core one end and feed liquor pipe intercommunication, the port under the vertical nook closing member sleeve pipe is worn out to the other end, the gas transmission passageway has in horizontal nook closing member sleeve pipe and the body of vertical nook closing member sleeve pipe, gas transmission passageway lower extreme intercommunication has the fixed spherical gasbag that encloses to locate vertical nook closing member sleeve pipe circumferential surface and can block in puncture point the inside after aerifing, gas transmission passageway upper end in horizontal nook closing member sleeve pipe outer wall and with gas injection branch pipe intercommunication, gas injection branch pipe top sealing connection has the soft stopper. This application is through the spherical gasbag card after aerifing inside the infusion port puncture point, avoids the pjncture needle to deviate from to external in following the puncture point.
Description
Technical Field
The utility model relates to the technical field of medical equipment, concretely relates to be applicable to infusion port anti-drop not damaged pjncture needle.
Background
The infusion port is a closed infusion device which can be repeatedly punctured and is completely implanted into a human body, and comprises a conduit part with the tip positioned in the superior vena cava and an injection seat embedded under the skin, wherein the injection seat consists of a puncture partition, a side wall, a base, a liquid storage tank and a suture hole. When the transfusion port is used, a matched non-traumatic puncture needle (butterfly wing needle for short) needs to be used for puncturing and entering the injection seat, and then the transfusion port is connected with a transfusion device for medicine intravenous transfusion. In the clinical application, when the puncture and the needle insertion are carried out on the infusion port, the injection seat is fixed by the thumb, the index finger and the middle finger of a non-main hand, the infusion port is arched, then the main hand-held puncture needle is vertically inserted from the center of three fingers (the thumb, the index finger and the middle finger of the non-main hand), and the puncture needle penetrates through the puncture partition of the injection seat, such as a silica gel partition, and reaches the bottom of a liquid storage tank of the injection seat. And the inventor of the utility model discovers through research that the infusion port is in the infusion treatment process, because the reason such as the application of fixed pjncture needle is not hard up, fixed method is not enough or external force tractive, leads to the pjncture needle to drop out from the puncture point very easily and causes the liquid medicine exosmosis, and then leads to patient's skin tissue necrosis, increases patient's misery and economic burden, therefore can not fine guarantee infusion safety.
SUMMERY OF THE UTILITY MODEL
To current infusion port in the infusion treatment in-process, because reasons such as the application of fixed pjncture needle is not hard up, fixed method is not enough, external force tractive lead to the pjncture needle to drop out from the puncture point very easily and cause the liquid medicine exosmosis, and then lead to patient's skin tissue necrosis, increase patient's misery and economic burden, can not ensure the safe technical problem of infusion port infusion, the utility model provides a be applicable to infusion port anti-drop not damaged pjncture needle.
In order to solve the technical problem, the utility model discloses a following technical scheme:
the utility model provides a be applicable to infusion port anti-drop not damaged pjncture needle, includes the inlet conduit, it presss from both sides to have cup jointed the stagnant flow on the inlet conduit, the one end of inlet conduit is connected with the fluid inlet connector, the other end order of inlet conduit is connected with horizontal nook closing member sleeve pipe and vertical nook closing member sleeve pipe, vertical nook closing member sleeve pipe is connected with the one end that the inlet conduit was kept away from with horizontal nook closing member sleeve pipe is perpendicular, horizontal nook closing member sheathed tube external diameter is far greater than vertical nook closing member sheathed tube external diameter, is close to nearly well lateral wall of vertical nook closing member sheathed tube horizontal nook closing member sleeve pipe is connected with butterfly wing handle relatively, the puncture needle core has closely been cup jointed in horizontal nook closing member sleeve pipe and vertical nook closing member sheathed tube central cavity, the one end and the inlet conduit other end intercommunication of puncture needle core, the other end of puncture needle core wears out vertical nook closing member sheathed tube lower port, horizontal nook closing member sleeve pipe and vertical nook closing member sheathed tube body inside has the air delivery passageway that supplies to inject the circulation of air, the lower extreme intercommunication of gas transmission passageway has fixed the spherical gasbag that encloses and locate vertical nook closing member sleeve pipe circumferential surface and can block in the puncture point the inside after aerifing the inflation, the upper end of gas transmission passageway ends on the outer wall that horizontal nook closing member sleeve pipe is close to feed liquor conduit one side, just horizontal nook closing member sleeve pipe outer wall corresponds gas transmission passageway upper end department intercommunication has the gas injection branch pipe, the top sealing connection of gas injection branch pipe has the gas injection cork that is convenient for gas injection device puncture toward the injection gas branch pipe in the air injection.
Compared with the prior art, when the anti-drop nondestructive puncture needle suitable for the transfusion port is used, firstly, the vertical needle core sleeve and the puncture needle core are punctured into a liquid storage tank of an injection seat of an infusion port, then an air injection device is used for injecting air into the air injection branch pipe through the air injection soft plug, the injected air reaches the spherical air bag through the air delivery channel, the spherical air bag is inflated to be clamped in the puncture point of the puncture septum of the injection seat after being expanded, so that the vertical needle core sleeve is well fixed in the puncture point of the puncture septum, thereby leading the vertical needle core sleeve and the puncture needle core, namely the puncture needle, not to fall out of the puncture body from the puncture point, thereby avoiding the drug with strong irritation from being leaked to the surrounding tissues during the infusion to cause the necrosis of the skin tissues of the patient, reducing the pain and the economic burden of the patient and well ensuring the safety of the infusion treatment of the infusion port.
Further, horizontal nook closing member sleeve pipe includes integrated into one piece's thick horizontal nook closing member sleeve pipe and thin horizontal nook closing member sleeve pipe, thick horizontal nook closing member sheathed tube one end is connected with the feed liquor pipe other end, thin horizontal nook closing member sheathed tube external diameter is greater than vertical nook closing member sheathed tube external diameter, butterfly wing handle is connected on thin horizontal nook closing member sheathed tube lateral wall, gas injection branch pipe intercommunication is on thick horizontal nook closing member sheathed tube outer wall.
Furthermore, the vertical joint of the vertical stylet sleeve and the horizontal stylet sleeve is in smooth arc transition.
Furthermore, finger holes are formed in the butterfly wing handles.
Furthermore, the gas transmission channel is a cylindrical cavity channel which is integrally formed in the tube bodies of the horizontal needle core sleeve and the vertical needle core sleeve.
Furthermore, the gas transmission channel is a circular cavity channel which is integrally formed in the tube bodies of the horizontal needle core sleeve and the vertical needle core sleeve.
Further, the gas injection device is an injector.
Drawings
Fig. 1 is a schematic view of the anti-drop and non-damage puncture needle structure applicable to the transfusion port provided by the utility model.
Fig. 2 is an enlarged partial sectional view of fig. 1 without the liquid inlet duct.
In the figure, 1, a liquid inlet conduit; 2. a flow stopping clip; 3. a liquid inlet joint; 4. a horizontal stylet cannula; 41. a thick horizontal stylet cannula; 42. a thin horizontal stylet cannula; 5. a vertical stylet cannula; 6. a butterfly wing handle; 61. a finger hole; 7. a puncture needle core; 8. a gas transmission channel; 9. a spherical air bag; 10. a gas injection branch pipe; 11. and (4) injecting a soft plug.
Detailed Description
In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand and understand, the present invention is further explained by combining with the specific drawings.
In the description of the present invention, it is to be understood that the terms "longitudinal", "radial", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are merely for convenience of description and to simplify the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention. In the description of the present invention, "a plurality" means two or more unless otherwise specified.
Referring to fig. 1 and 2, the utility model provides an anti-drop and non-damage puncture needle suitable for an infusion port, which comprises a liquid inlet conduit 1, wherein a flow stopping clip 2 is sleeved on the liquid inlet conduit 1, the flow stopping clip 2 is used for adjusting the flow rate of liquid medicine in the liquid inlet conduit 1, one end of the liquid inlet conduit 1 is connected with a liquid inlet connector 3, the liquid inlet connector 3 is used for connecting an existing infusion bag or an injector, the other end of the liquid inlet conduit 1 is sequentially connected with a horizontal stylet sleeve 4 and a vertical stylet sleeve 5, the vertical stylet sleeve 5 is vertically connected with one end of the horizontal stylet sleeve 4 far away from the liquid inlet conduit 1, namely, the vertical stylet sleeve 5 is vertically bent and connected with the horizontal stylet sleeve 4, the outer diameter of the horizontal stylet sleeve 4 is far larger than that of the vertical stylet sleeve 5, so that the vertical stylet sleeve 5 can easily puncture a puncture partition of an injection seat, the nearly middle side wall of the horizontal stylet sleeve 4 close to the vertical stylet sleeve 5 is relatively connected with a butterfly wing handle 6, namely the side wall of the horizontal stylet sleeve 4 is relatively provided with the butterfly wing handle 6, so that the horizontal stylet sleeve 4 and the butterfly wing handle 6 can be very conveniently punctured, a puncture stylet 7 is tightly sleeved in the central cavity of the horizontal stylet sleeve 4 and the vertical stylet sleeve 5, one end of the puncture stylet 7 is communicated with the other end of the liquid inlet conduit 1, the other end of the puncture stylet 7 penetrates out of the lower port of the vertical stylet sleeve 5, so that the liquid medicine entering the liquid inlet conduit 1 can flow into a liquid storage tank of an injection seat after passing through the puncture stylet 7, as well known by the technical personnel in the field, the needle head of the puncture stylet 7 (a nondestructive puncture needle) is specially treated, is similar to a side-hole needle, a silica gel septum cannot be cut when puncturing the needle seat, and thus thousands of puncture can be ensured without damaging the septum to cause liquid leakage, the tube bodies of the horizontal stylet sleeve 4 and the vertical stylet sleeve 5 are internally provided with a gas transmission channel 8 for the circulation of injected air, the lower end of the gas transmission channel 8 is communicated with a spherical air bag 9 which is fixedly arranged on the circumferential surface of the vertical stylet sleeve 5 and can be clamped in a puncture point after being inflated and expanded, namely, the spherical air bag 9 is fixedly arranged on the circumferential surface of the vertical stylet sleeve 5 and is communicated with the lower end of the gas transmission channel 8, and the spherical air bag 9 is preferably arranged at the upper part of the stylet sleeve 5, so that the puncture stylet 7 can be inserted into a deep point when being punctured into an injection seat of an infusion port, the spherical air bag 9 is almost tightly attached to the circumferential surface of the vertical stylet sleeve 5 when not being inflated with air and can be rapidly expanded and clamped in the puncture point after being inflated with air, the upper end of the gas transmission channel 8 is stopped on the outer wall of the horizontal stylet sleeve 4 close to one side of the liquid inlet conduit 1, that is, the gas transmission channel 8 is arranged inside the horizontal nook closing member 4 and the vertical nook closing member 5, and the upper end of the gas transmission channel corresponding to the outer wall of the horizontal nook closing member 4 is communicated with a gas injection branch pipe 10, and the top end of the gas injection branch pipe 10 is hermetically connected (such as tightly inserted) with a gas injection soft plug 11 which is convenient for a gas injection device to puncture the gas injection branch pipe 10 to inject air into the gas injection branch pipe 10, so that the air injected into the gas injection branch pipe 10 through the gas injection soft plug 11 can be transmitted to the spherical air bag 9 through the gas transmission channel 8 to realize inflation.
Compared with the prior art, when the anti-drop nondestructive puncture needle suitable for the transfusion port is used, firstly, the vertical needle core sleeve and the puncture needle core are punctured into a liquid storage tank of an injection seat of an infusion port, then an air injection device is used for injecting air into the air injection branch pipe through the air injection soft plug, the injected air reaches the spherical air bag through the air delivery channel, the spherical air bag is inflated to be clamped in the puncture point of the puncture septum of the injection seat after being expanded, so that the vertical needle core sleeve is well fixed in the puncture point of the puncture septum, thereby leading the vertical needle core sleeve and the puncture needle core, namely the puncture needle, not to fall out of the puncture body from the puncture point, thereby avoiding the drug with strong irritation from being leaked to the surrounding tissues during the infusion to cause the necrosis of the skin tissues of the patient, reducing the pain and the economic burden of the patient and well ensuring the safety of the infusion treatment of the infusion port.
As a specific example, referring to fig. 1 and 2, the horizontal nook closing member 4 includes a thick horizontal nook closing member 41 and a thin horizontal nook closing member 42, the thick horizontal nook closing member 41 is connected to the other end of the liquid inlet conduit 1, the end corresponding to the thin horizontal nook closing member 42 is connected to the vertical nook closing member 5, the thin horizontal nook closing member 42 has an outer diameter larger than that of the vertical nook closing member 5, the thick horizontal nook closing member 41 has an outer diameter naturally larger than that of the thin horizontal nook closing member 42, the butterfly wing handle 6 is connected to the side wall of the thin horizontal nook closing member 42, and the gas injection branch pipe 10 is connected to the outer wall of the thick horizontal nook closing member 41. The horizontal stylet sleeve 4 is divided into a thick horizontal stylet sleeve 41 and a thin horizontal stylet sleeve 42 in this embodiment, thereby facilitating the coupling arrangement of the butterfly wing shank 6 and the gas injection manifold 10.
As a specific embodiment, please refer to fig. 1 and 2, the vertical junction of the vertical stylet cannula 5 and the horizontal stylet cannula 4 is a smooth arc transition, thereby avoiding scratching fingers of medical personnel during puncturing and improving the puncturing comfort.
As a specific example, referring to fig. 1 and 2, the butterfly wing handle 6 is provided with a finger hole 61, so that the thumb and middle finger of the dominant hand can be inserted into the finger hole 61 to hold the butterfly wing needle, and the middle finger of the dominant hand can be pressed on the horizontal stylet sleeve 4 to facilitate the puncturing operation.
As a specific embodiment, please refer to fig. 2, the gas transmission channel 8 is a cylindrical channel integrally formed in the tube bodies of the horizontal stylet sleeve 4 and the vertical stylet sleeve 5, that is, a cylindrical cavity is axially arranged inside the tube bodies of the horizontal stylet sleeve 4 and the vertical stylet sleeve 5, the upper end of the cylindrical cavity is communicated with a gas injection branch tube 10, and the lower end of the cylindrical cavity is communicated with a spherical air bag 9.
As another specific embodiment, the gas transmission channel 8 is a circular ring cavity channel integrally formed in the tube bodies of the horizontal stylet sleeve 4 and the vertical stylet sleeve 5, that is, a circular ring cavity axially arranged is arranged inside the tube bodies of the horizontal stylet sleeve 4 and the vertical stylet sleeve 5, the upper end of the circular ring cavity is communicated with the gas injection branch tube 10, and the lower end of the circular ring cavity is communicated with the spherical airbag 9.
As a specific embodiment, the gas injection device is a syringe, that is, air is injected into the gas injection branch pipe 10 through the gas injection soft plug 11 by the existing syringe, and the operation is simple, convenient and fast. Of course, those skilled in the art can also implement other existing insufflation devices in addition to the aforementioned injector.
Finally, although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the present invention can be modified or replaced by other means without departing from the spirit and scope of the present invention, which should be construed as limited only by the appended claims.
Claims (7)
1. The utility model provides a be applicable to infusion port anti-drop not damaged pjncture needle, includes the feed liquor pipe, it presss from both sides to have cup jointed the stagnant flow on the feed liquor pipe, the one end of feed liquor pipe is connected with the feed liquor connector, its characterized in that, the other end of feed liquor pipe has connected gradually horizontal nook closing member sleeve pipe and vertical nook closing member sleeve pipe, vertical nook closing member sleeve pipe is connected perpendicularly with the one end that the feed liquor pipe was kept away from to horizontal nook closing member sleeve pipe, horizontal nook closing member sleeve pipe's external diameter is far greater than vertical nook closing member sheathed tube external diameter, is close to the nearly well lateral wall of vertical nook closing member sheathed tube horizontal nook closing member sleeve pipe is connected with butterfly wing handle relatively, the puncture needle core has closely been cup jointed in horizontal nook closing member sleeve pipe and vertical nook closing member sheathed tube's central cavity, the one end and the feed liquor pipe other end intercommunication of puncture needle core, vertical nook closing member sheathed tube's the other end is worn out vertical nook closing member's lower port, horizontal nook closing member sleeve pipe and vertical nook closing member's body inside has the air delivery passageway that supplies to pour into the circulation of air, the lower extreme intercommunication of gas transmission passageway has fixed the spherical gasbag that encloses and locate vertical nook closing member sleeve pipe circumferential surface and can block in the puncture point the inside after aerifing the inflation, the upper end of gas transmission passageway ends on the outer wall that horizontal nook closing member sleeve pipe is close to feed liquor conduit one side, just horizontal nook closing member sleeve pipe outer wall corresponds gas transmission passageway upper end department intercommunication has the gas injection branch pipe, the top sealing connection of gas injection branch pipe has the gas injection cork that is convenient for gas injection device puncture toward the injection gas branch pipe in the air injection.
2. The anti-drop and non-damage puncture needle suitable for the infusion port as claimed in claim 1, wherein the horizontal stylet sleeve comprises a thick horizontal stylet sleeve and a thin horizontal stylet sleeve which are integrally formed, one end of the thick horizontal stylet sleeve is connected with the other end of the liquid inlet conduit, the outer diameter of the thin horizontal stylet sleeve is larger than that of the vertical stylet sleeve, the butterfly wing handle is connected to the side wall of the thin horizontal stylet sleeve, and the gas injection branch pipe is communicated with the outer wall of the thick horizontal stylet sleeve.
3. The anti-drop atraumatic puncture needle for a port according to claim 1, characterized in that the vertical junction of the vertical and horizontal stylet sleeves is a smooth circular arc transition.
4. The anti-drop atraumatic puncture needle for a port according to claim 1, characterized in that the butterfly wing handle is provided with a finger hole.
5. The anti-drop atraumatic needle for a port according to claim 1, wherein the air delivery channel is a cylindrical lumen integrally formed in the body of the horizontal and vertical stylet cannula.
6. The anti-drop atraumatic puncture needle for a port according to claim 1, wherein the air delivery channel is a circular ring-shaped lumen integrally formed in the tube body of the horizontal and vertical stylet sleeves.
7. The non-shedding and non-traumatic puncture needle for a transfusion port as claimed in claim 1, wherein the gas injection device is a syringe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023195972.0U CN214512155U (en) | 2020-12-25 | 2020-12-25 | Anti-drop nondestructive puncture needle suitable for infusion port |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023195972.0U CN214512155U (en) | 2020-12-25 | 2020-12-25 | Anti-drop nondestructive puncture needle suitable for infusion port |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214512155U true CN214512155U (en) | 2021-10-29 |
Family
ID=78296875
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023195972.0U Expired - Fee Related CN214512155U (en) | 2020-12-25 | 2020-12-25 | Anti-drop nondestructive puncture needle suitable for infusion port |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214512155U (en) |
-
2020
- 2020-12-25 CN CN202023195972.0U patent/CN214512155U/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: 20211029 |