CN214966392U - Intrathecal injection device - Google Patents
Intrathecal injection device Download PDFInfo
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- CN214966392U CN214966392U CN202120537586.0U CN202120537586U CN214966392U CN 214966392 U CN214966392 U CN 214966392U CN 202120537586 U CN202120537586 U CN 202120537586U CN 214966392 U CN214966392 U CN 214966392U
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- needle
- free closed
- closed infusion
- injection device
- intrathecal injection
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Abstract
The utility model provides an injection device in sheath relates to medical instrument's technical field. The intrathecal injection device comprises a lumbar puncture needle, a separation membrane needle-free closed infusion joint and an injector; the lumbar puncture needle is connected with the injector through the separating membrane needle-free closed infusion joint. The technical effect of good use effect is achieved.
Description
Technical Field
The utility model relates to the technical field of medical equipment, particularly, relate to injection device in the sheath.
Background
The intrathecal injection can directly inject the medicine into the subarachnoid space, and is widely used for treating leukemia and certain nervous system diseases. The conventional operation method of intrathecal injection at present is to send a lumbar puncture needle into the subarachnoid space, pull out the pillow core, and connect an injector filled with medicine for injecting the medicine.
In the in-service use, the lumbar puncture needle can take place the position and remove, and to children especially infant patient, the lumbar puncture needle penetrates internal part shorter, and the stationary force is not enough relatively, pushes the in-process because the conduction of pushing the strength, probably makes the lumbar puncture needle take place the displacement of certain degree, leads to local tissue damage or intrathecal injection failure then, leads to the result of use poor.
Therefore, it is an important technical problem to be solved by those skilled in the art to provide an intrathecal injection device with good use effect.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an injection device in the sheath to alleviate the poor technical problem of result of use among the prior art.
In a first aspect, an embodiment of the present invention provides an intrathecal injection device, comprising a lumbar puncture needle, a separation membrane needle-free closed infusion connector and an injector;
the lumbar puncture needle is connected with the injector through the separating membrane needle-free closed infusion joint.
In combination with the first aspect, the embodiments of the present invention provide a possible implementation manner of the first aspect, wherein the separation membrane is detachably and hermetically connected to both the needle-free closed infusion connector and the syringe.
In combination with the first aspect, the embodiments of the present invention provide a possible implementation manner of the first aspect, wherein the separation membrane is inserted into the syringe.
In combination with the first aspect, the embodiments of the present invention provide a possible implementation manner of the first aspect, wherein the separation membrane is threadedly connected to the injector.
In combination with the first aspect, the embodiments of the present invention provide a possible implementation manner of the first aspect, wherein the separation membrane is clamped with the needle-free closed infusion connector and the syringe.
With reference to the first aspect, embodiments of the present invention provide a possible implementation manner of the first aspect, wherein the separation membrane is detachably and hermetically connected to the needle-free closed infusion connector and the lumbar puncture needle.
In combination with the first aspect, embodiments of the present invention provide a possible implementation manner of the first aspect, wherein the separation membrane is inserted into the lumbar puncture needle.
In combination with the first aspect, embodiments of the present invention provide a possible implementation manner of the first aspect, wherein the separation membrane is threadedly connected to the lumbar puncture needle.
In combination with the first aspect, embodiments of the present invention provide a possible implementation manner of the first aspect, wherein the separation membrane is clamped to the lumbar puncture needle.
In combination with the first aspect, embodiments of the present invention provide a possible implementation manner of the first aspect, wherein the syringe is provided with scale marks.
Has the advantages that:
the embodiment of the utility model provides an intrathecal injection device, which comprises a lumbar puncture needle, a separation membrane needle-free closed infusion joint and an injector; the lumbar puncture needle is connected with the injector through the separating membrane needle-free closed infusion joint.
When medical staff carries out the intrathecal injection to the patient, especially when carrying out the intrathecal injection to infant patients, medical staff links together both syringe and lumbar puncture needle through the needleless closed infusion of parting film joint, through such setting, the needleless closed infusion of parting film joint mid portion is the hose, and has certain length, can cushion the transmission of the injection power that the intrathecal injection faces, reduces the chance that the injection in-process lumbar puncture needle position of intrathecal removed, thereby improves the result of use.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic view of an overall structure of an intrathecal injection device according to an embodiment of the present invention;
FIG. 2 is a schematic view of a lumbar puncture needle in an intrathecal injection device according to an embodiment of the present invention;
fig. 3 is a schematic view of a septum needle-free closed infusion connector in an intrathecal injection device according to an embodiment of the present invention;
fig. 4 is a schematic view of an injector in an intrathecal injection device according to an embodiment of the present invention.
Icon:
100-lumbar puncture needle;
200-separating membrane needle-free closed infusion joint;
300-syringe.
Detailed Description
The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like, indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplicity of 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.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
The present invention will be described in further detail below with reference to specific embodiments and with reference to the attached drawings.
Referring to fig. 1, 2, 3 and 4, an embodiment of the present invention provides an intrathecal injection device, including a lumbar puncture needle 100, a septum needle-free closed infusion connector 200 and an injector 300; the lumbar puncture needle 100 is connected with an injector 300 through a separating membrane needle-free closed infusion connector 200.
Specifically, when medical staff carries out intrathecal injection to the patient, especially when carrying out intrathecal injection to infant patient, medical staff links together syringe 300 and lumbar puncture needle 100 both through parting film needleless closed infusion connector 200, through such setting, parting film needleless closed infusion connector 200 middle part is the hose, and has certain length, can cushion the transmission of the push power that the intrathecal injection faces, reduces the chance that intrathecal injection in-process lumbar puncture needle 100 position removed, thereby improve the result of use.
It should be noted that the septum needle-free closed infusion connector 200 and the lumbar puncture needle 100 can be connected through a screw port, and the connection is firm, so that the possibility of medicine leakage and loss can be avoided.
It should also be noted that the septum design of the septum needle-free closed infusion connector 200 only allows the liquid medicine to advance, but the liquid medicine cannot flow out reversely, so as to further avoid the possibility of medicine leakage and loss.
It should also be noted that the septum needle-free closed infusion connector 200 only holds 0.34ml of liquid, has low loss and can effectively ensure the quantitative sheath injection of the medicine.
It should also be noted that the middle portion of the septum needle-free closed infusion connector 200 is a flexible tube and has a certain length, which can buffer the transmission of the injection force faced by intrathecal injection and reduce the chance of the position movement of the lumbar puncture needle 100 during intrathecal injection.
It should also be noted that the syringe 300 is connected to the lumbar puncture needle 100 through the septum needle-free closed infusion connector 200, so that the medical staff can better control the injection speed.
Referring to fig. 1, 2, 3 and 4, in an alternative embodiment, the separating membrane is detachably and hermetically connected with both a needle-free closed infusion connector and a syringe 300.
Specifically, the partition film needle-free closed infusion connector and the injector 300 can be connected together in a detachable sealing connection mode, so that after the medical staff connects the partition film needle-free closed infusion connector and the injector 300, the sealing of the partition film needle-free closed infusion connector and the injector 300 can be ensured, and the medicine leakage and loss can be further avoided.
Referring to fig. 1, 2, 3 and 4, in an alternative embodiment, the septum needle-free closed infusion connector and the syringe 300 are plugged together.
Specifically, the partition membrane needle-free closed infusion connector and the injector 300 can be connected together in a plug-in connection mode, so that after the medical staff connects the partition membrane needle-free closed infusion connector and the injector 300, the sealing of the partition membrane needle-free closed infusion connector and the injector 300 can be ensured, and the medicine leakage and loss can be further avoided.
Referring to fig. 1, 2, 3 and 4, in an alternative embodiment of the present embodiment, the septum needle-free closed infusion connector is threadably connected to a syringe 300.
Specifically, the partition membrane needle-free closed infusion connector and the injector 300 can be connected together in a threaded connection mode, so that after the medical staff connects the partition membrane needle-free closed infusion connector and the injector 300, the sealing of the partition membrane needle-free closed infusion connector and the injector 300 can be ensured, and the medicine leakage and loss can be further avoided.
Referring to fig. 1, 2, 3 and 4, in an alternative embodiment of the present embodiment, the septum needle-free closed infusion connector and syringe 300 are both snap-fitted.
Specifically, the needle-free closed infusion connector of the separation membrane and the injector 300 can be connected together in a clamping connection mode, so that after the medical staff connects the needle-free closed infusion connector of the separation membrane and the injector 300, the sealing of the needle-free closed infusion connector of the separation membrane and the injector 300 can be ensured, and the leakage and the loss of medicines can be further avoided.
Referring to fig. 1, 2, 3 and 4, in an alternative embodiment, the separating membrane needle-free closed infusion connector and the lumbar puncture needle 100 are detachably and hermetically connected.
Specifically, the partition membrane needle-free closed infusion connector and the lumbar puncture needle 100 can be connected together in a detachable and sealed connection mode, so that after medical personnel connect the partition membrane needle-free closed infusion connector and the syringe 300, the sealing of the partition membrane needle-free closed infusion connector and the syringe 300 can be ensured, and the medicine leakage and loss can be further avoided.
Referring to fig. 1, 2, 3 and 4, in an alternative embodiment, the septum needle-free closed infusion connector and the lumbar puncture needle 100 are plugged together.
Specifically, the partition membrane needle-free closed infusion connector and the lumbar puncture needle 100 can be connected together in an inserting connection mode, so that after the medical staff connects the partition membrane needle-free closed infusion connector and the injector 300, the sealing of the partition membrane needle-free closed infusion connector and the injector 300 can be ensured, and the medicine leakage and loss can be further avoided.
Referring to fig. 1, 2, 3 and 4, in an alternative embodiment of the present embodiment, the septum needle-free closed infusion connector and the lumbar puncture needle 100 are both threadedly connected.
Specifically, the partition membrane needle-free closed infusion connector and the lumbar puncture needle 100 can be connected together in a threaded connection manner, so that after the medical staff connects the partition membrane needle-free closed infusion connector and the syringe 300, the sealing of the partition membrane needle-free closed infusion connector and the syringe 300 can be ensured, and the medicine leakage and loss can be further avoided.
Referring to fig. 1, 2, 3 and 4, in an alternative embodiment of the present embodiment, the septum needle-free closed infusion connector and the lumbar puncture needle 100 are both snapped together.
Specifically, the partition membrane needle-free closed infusion connector and the lumbar puncture needle 100 can be connected together in a clamping connection mode, so that after the medical staff connects the partition membrane needle-free closed infusion connector and the syringe 300, the sealing of the partition membrane needle-free closed infusion connector and the syringe 300 can be ensured, and the medicine leakage and loss can be further avoided.
Referring to fig. 1, 2, 3 and 4, in an alternative embodiment, the syringe 300 is provided with graduations.
Specifically, in use, the medical professional may select the syringe 300 with the calibration marks so that the medical professional can accurately know the amount of the drug injected into the patient.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the embodiments of the present invention.
Claims (10)
1. An intrathecal injection device, comprising: a lumbar puncture needle (100), a separation membrane needle-free closed infusion joint (200) and an injector (300);
the lumbar puncture needle (100) is connected with the injector (300) through the separation membrane needle-free closed infusion joint (200).
2. The intrathecal injection device as in claim 1, wherein the septum needle-free closed infusion connector is in detachable sealing connection with the syringe (300).
3. The intrathecal injection device as in claim 2, wherein the septum needle-free closed infusion connector is plugged with the syringe (300).
4. The intrathecal injection device as in claim 2, wherein the septum needle-free closed infusion connector is screwed to the syringe (300).
5. The intrathecal injection device as in claim 2, wherein the septum needle-free closed infusion connector is snap-fitted to the syringe (300).
6. The intrathecal injection device as in claim 1, wherein the septum needle-free closed infusion adapter is in detachable sealing connection with the lumbar puncture needle (100).
7. The intrathecal injection device as in claim 6, wherein the septum needle-free closed infusion adapter is plugged with the lumbar puncture needle (100).
8. The intrathecal injection device as in claim 6, wherein the septum needle-free closed infusion adapter is screwed to the lumbar puncture needle (100).
9. The intrathecal injection device as in claim 6, wherein the septum needle-free closed infusion connector is snap-fitted to the lumbar puncture needle (100).
10. A intrathecal injection device as in any of claims 1-9, wherein graduation marks are provided on the syringe (300).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120537586.0U CN214966392U (en) | 2021-03-15 | 2021-03-15 | Intrathecal injection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120537586.0U CN214966392U (en) | 2021-03-15 | 2021-03-15 | Intrathecal injection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214966392U true CN214966392U (en) | 2021-12-03 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120537586.0U Active CN214966392U (en) | 2021-03-15 | 2021-03-15 | Intrathecal injection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214966392U (en) |
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2021
- 2021-03-15 CN CN202120537586.0U patent/CN214966392U/en active Active
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