CN218484945U - Medical straight tube type remaining needle - Google Patents
Medical straight tube type remaining needle Download PDFInfo
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- CN218484945U CN218484945U CN202221406435.2U CN202221406435U CN218484945U CN 218484945 U CN218484945 U CN 218484945U CN 202221406435 U CN202221406435 U CN 202221406435U CN 218484945 U CN218484945 U CN 218484945U
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- indwelling needle
- straight tube
- tube type
- hose
- medical
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Abstract
The utility model relates to the technical field of medical equipment, a needle is kept somewhere to medical straight tube type is disclosed, wherein, this needle is kept somewhere to medical straight tube type includes: the outer sleeve and the indwelling needle body are sleeved in the outer sleeve; the outer tube includes: the indwelling needle hose is arranged at one end of the outer sleeve; wherein the liquid outlet end of the indwelling needle hose is provided with a plurality of micropores; the indwelling needle body includes: the inner penetrating metal needle is arranged at one end of the indwelling needle body and is used for penetrating through the indwelling needle hose of the outer sleeve. By applying the technical scheme of the invention, the problems of low efficiency and inconvenient use in the use process of the indwelling needle in the prior art can be solved.
Description
Technical Field
The utility model relates to the field of medical equipment, concretely relates to needle is kept somewhere to medical straight tube type.
Background
Arterial and venous indwelling needles are common instruments used in the medical field. In the clinical use process of the arteriovenous indwelling needle, corresponding medicines acting on the arteriovenous of a human body are injected into the indwelling needle, so that after the medicines in the indwelling needle are injected into the arteriovenous blood vessel of the human body, thrombus and the like in the arteriovenous blood vessel are dissolved, the arteriovenous blood vessel of the human body is dredged, and the blockage of the blood vessel by the thrombus is avoided.
However, in the use process of the existing arteriovenous indwelling needle, the speed of medicine entering arteriovenous blood vessels is slow, the use is inconvenient, and the patient is not convenient to carry out timely medical treatment.
SUMMERY OF THE UTILITY MODEL
In view of the above problem, the embodiment of the utility model provides a needle is kept somewhere to medical straight tube type for it is lower to keep somewhere efficiency in the needle use among the solution prior art, uses inconvenient problem.
According to an aspect of the embodiment of the utility model, a needle is kept somewhere to medical straight tube type is provided, needle includes is kept somewhere to medical straight tube type:
the indwelling needle comprises an outer sleeve and an indwelling needle body sleeved in the outer sleeve;
the outer sleeve includes:
the indwelling needle hose is arranged at one end of the outer sleeve; wherein the liquid outlet end of the indwelling needle hose is provided with a plurality of micropores;
the indwelling needle body includes:
the inner penetrating metal needle is arranged at one end of the indwelling needle body and is used for penetrating through the indwelling needle hose of the outer sleeve.
In an alternative mode, the liquid outlet end of the indwelling needle hose has 3 to 10 micropores.
In an alternative form, the length of the inner penetrating metal needle is 20cm to 100cm.
In an alternative form, the length of the indwelling needle hose is shorter than 1cm to 4cm of the length of the indwelling needle.
In an alternative form, the outer sleeve further comprises:
the sealing plug is arranged at the other end far away from the indwelling needle hose; the medical material of a soft material is arranged in the sealing plug, and a first through hole which is vertically communicated with the indwelling needle hose is arranged in the sealing plug.
In an alternative form, the outer sleeve further comprises:
and the liquid storage cavity is arranged between the sealing plug and the indwelling needle hose.
In an alternative mode, the lower end of the liquid storage cavity is of an inverted trapezoidal structure.
In an optional manner, the indwelling needle body further comprises:
the holding handle is arranged at one end far away from the internally-penetrated metal needle and provided with a second through hole with a hollow inner part.
In an optional manner, the indwelling needle body further comprises:
the liquid inlet is arranged at the upper end of the holding handle and communicated with the second through hole of the holding handle.
In an optional manner, the indwelling needle body further comprises:
the limiting part is arranged at the lower end of the holding handle and is abutted to the upper port of the outer sleeve.
The embodiment of the utility model provides a medical straight tube type indwelling needle which comprises an outer sleeve and an indwelling needle body sleeved in the outer sleeve; wherein, the outer tube includes: the indwelling needle hose is arranged at one end of the outer sleeve; the liquid outlet end of the indwelling needle hose is provided with a plurality of micropores; the indwelling needle body includes: the interior metal needle of wearing sets up in the one end of keeping somewhere the needle body for keeping somewhere the needle hose from the outer tube and passing, keep somewhere a plurality of micropores of needle hose and be convenient for scatter to the blood vessel through a plurality of micropores to the medicine in the needle of keeping somewhere, dissolve with the thrombus in the blood vessel, reach the medical treatment to the artery and vein blood vessel etc. of human body. The technical scheme can solve the problems of low efficiency and inconvenient use in the use process of the indwelling needle in the prior art.
The foregoing is merely an overview of the technical solutions of the embodiments of the present invention, and the technical means of the embodiments of the present invention can be implemented according to the content of the description in order to make the technical means more clearly understood, and the above and other objects, features and advantages of the embodiments of the present invention can be more clearly understood, and the following is a specific description of the embodiments of the present invention.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.
FIG. 1 is a schematic structural view showing one embodiment of a medical straight tube type indwelling needle according to the present invention;
FIG. 2 is a schematic structural view showing an embodiment of an outer cannula of the medical straight tube type indwelling needle of the present invention;
fig. 3 shows a schematic structural view of an embodiment of the indwelling needle body in the medical straight tube type indwelling needle of the present invention.
The reference numbers illustrate:
1. the indwelling needle comprises an outer sleeve, 11, a sealing plug, 12, a first through hole, 13, a liquid storage cavity, 14, an inverted trapezoidal structure, 15, an indwelling needle hose, 16, a micropore, 2, an indwelling needle body, 21, a liquid inlet, 22, a holding handle, 23, a second through hole, 24, a limiting part, 25 and an internally-penetrated metal needle.
The realization, the functional characteristics and the advantages of the utility model are further explained by combining the embodiment and referring to the attached drawings.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
It should be noted that, if directional indications (such as up, down, left, right, front, back, 8230; \8230;) are provided in the embodiments of the present invention, the directional indications are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the attached drawings), and if the specific posture is changed, the directional indications are correspondingly changed.
In addition, if there is a description relating to "first", "second", etc. in the embodiments of the present invention, the description of "first", "second", etc. is for descriptive purposes only and is 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 at least one such feature. In addition, if appearing throughout the text, "and/or" is meant to include three juxtaposed aspects, taking "A and/or B" as an example, including either the A aspect, or the B aspect, or both A and B satisfied aspects. In addition, the technical solutions in the embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory to each other or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present invention.
The utility model provides a medical straight tube type indwelling needle.
In the embodiment of the present invention, fig. 1 shows the schematic structural diagram of an embodiment of the medical straight tube type indwelling needle of the present invention, the medical straight tube type indwelling needle includes:
the indwelling needle comprises an outer sleeve 1 and an indwelling needle body 2 sleeved in the outer sleeve 1;
the outer sleeve 1 includes:
an indwelling needle hose 15, the indwelling needle hose 15 being provided at one end of the outer cannula 1; wherein, the liquid outlet end of the indwelling needle hose 15 is provided with a plurality of micropores 16;
the indwelling needle body 2 includes:
an internally-penetrated metal needle 25, wherein the internally-penetrated metal needle 25 is arranged at one end of the indwelling needle body 2 and is used for penetrating through the indwelling needle hose 15 of the outer cannula 1.
In this embodiment, the liquid outlet end of the indwelling needle hose 15 has 3 to 10 micro holes 16, and it is understood that the micro holes 16 at the liquid outlet end of the indwelling needle hose 15 may be, but are not limited to, 3, 5, 10, etc., and are set according to practical application, and are not specifically limited here.
In this embodiment, the length of the penetrating metal needle 25 is 20cm to 100cm, and the length of the indwelling needle hose 15 is shorter than 1cm to 4cm of the length of the penetrating metal needle 25. It is understood that the length of the inner penetrating metal needle 25 may be, but is not limited to, 20cm, 50cm, 100cm, etc., and is set according to the practical application, and is not limited thereto. Further, the inner penetrating metal needle 25 in the present scheme is preferably a steel needle.
The length of the indwelling needle hose 15 is shorter than the length of the indwelling needle 25, the length of the indwelling needle hose 15 may be, but is not limited to, 16cm, 17cm, 18cm, 19cm, etc. when the length of the indwelling needle 25 is 20cm, the length of the indwelling needle hose 15 may be, but is not limited to, 46cm, 47cm, 48cm, 49cm, etc. when the length of the indwelling needle 25 is 50cm, the length of the indwelling needle hose 15 may be, but is not limited to, 96cm, 97cm, 98cm, 99cm when the length of the indwelling needle 25 is 100cm, so that the indwelling needle can be inserted into the arteriovenous blood vessels of the human body better, and convenience in use of the indwelling needle is improved.
The embodiment of the utility model provides a medical straight tube type indwelling needle which comprises an outer sleeve 1 and an indwelling needle body 2 sleeved in the outer sleeve 1; wherein, outer tube 1 includes: an indwelling needle hose 15 provided at one end of the outer cannula 1; the liquid outlet end of the indwelling needle hose 15 is provided with a plurality of micropores 16; the indwelling needle body 2 includes: the inner-penetrating metal needle 25 is arranged at one end of the indwelling needle body 2 and is used for penetrating through the indwelling needle hose 15 of the outer sleeve 1, and the plurality of micropores 16 of the indwelling needle hose 15 are convenient for scattering the medicine in the indwelling needle into the blood vessel through the plurality of micropores 16 so as to dissolve the thrombus in the blood vessel and achieve the medical treatment of the artery and vein blood vessel and the like of the human body. The technical scheme can solve the problems of low efficiency and inconvenient use in the use process of the indwelling needle in the prior art.
In an alternative mode, fig. 2 shows a schematic structural diagram of an embodiment of the outer cannula 1 in the medical straight tube type indwelling needle of the present invention, the outer cannula 1 further includes:
a sealing plug 11, wherein the sealing plug 11 is arranged at the other end far away from the indwelling needle hose 15; the sealing plug 11 is made of a soft medical material, and a first through hole 12 which is vertically communicated with the remaining needle hose 15 is formed in the sealing plug 11.
In this embodiment, the sealing plug 11 is penetrated through the first through hole 12 of the medical material made of soft material by the penetrating metal needle 25, and a one-way valve structure is formed by the elasticity of the soft medical material, and after the penetrating metal needle 25 is pulled out, the first through hole 12 is automatically retracted to effectively prevent the blood in the indwelling needle hose 15 from flowing back. Due to the arrangement of the sealing plug 11 with the first through hole 12, the sealing plug 11 can be used for reliably sealing and isolating the part of the remaining needle hose 15 and the tiny space part of the remaining needle hose 15, the phenomenon that blood flows back to the outside of the cavity of the remaining needle hose 15 after the puncture is carried out by the metal needle 25 in use is guaranteed, the cross infection of patients and medical staff is effectively prevented, the pollution of the surrounding environment to liquid medicine and blood is avoided, and the purpose of safe transfusion is achieved.
Further, the outer sleeve 1 further comprises:
and the liquid storage cavity 13 is arranged between the sealing plug 11 and the indwelling needle hose 15, and the lower end of the liquid storage cavity 13 is of an inverted trapezoidal structure 14. It should be noted that the liquid storage cavity 13 is used for communicating the sealing plug 11 and the indwelling needle hose 15, after the liquid medicine is stored in the liquid storage cavity 13, the first through hole 12 of the sealing plug 11 can slowly drop the liquid medicine in the liquid storage cavity 13 into the indwelling needle hose 15 through the inverted trapezoid structure 14 under the positive pressure effect and press the liquid medicine into the arteriovenous blood vessel to prevent the blood from flowing back into the indwelling needle hose 15, so as to avoid the formation of thrombus.
In an alternative mode, fig. 3 shows a schematic structural view of an embodiment of an indwelling needle body 2 in a medical straight tube type indwelling needle according to the present invention, the indwelling needle body 2 further includes:
the holding handle 22 is arranged at one end far away from the internally-penetrated metal needle 25, and the holding handle 22 is provided with a second through hole 23 with a hollow inner part. The arrangement of the holding handle 22 is convenient for medical personnel to hold the indwelling needle for use.
Further, the indwelling needle body 2 further includes:
the liquid inlet 21 is arranged at the upper end of the holding handle 22, and the liquid inlet 21 is communicated with the second through hole 23 of the holding handle 22. Through the arrangement of the liquid inlet 21, the liquid medicine is filled through the liquid inlet 21 and flows into the inner through metal needle 25 through the second through hole 23 of the holding handle 22, so that the liquid medicine can flow to the arteriovenous blood vessel of the human body.
Further, the indwelling needle body 2 further includes:
and the limiting part 24 is arranged at the lower end of the holding handle 22, and the limiting part 24 is abutted to the upper port of the outer sleeve 1. Through the setting of spacing portion 24, avoid keeping somewhere unlimited inserting outer tube 1 of needle body 2, avoid keeping somewhere the interior metal needle 25 of passing of needle body 2 and inserting human artery and vein blood vessel too deeply, cause the damage to human artery and vein blood vessel.
The above is only the optional embodiment of the present invention, and not therefore the patent scope of the present invention is limited, all of which are under the scheme conception of the present invention, the equivalent structure transformation made by the contents of the specification and the attached drawings is utilized, or the direct/indirect application is included in other related technical fields in the patent protection scope of the present invention.
Claims (10)
1. A medical straight tube type indwelling needle, characterized in that it comprises:
the indwelling needle comprises an outer sleeve and an indwelling needle body sleeved in the outer sleeve;
the outer sleeve includes:
the indwelling needle hose is arranged at one end of the outer sleeve; wherein the liquid outlet end of the indwelling needle hose is provided with a plurality of micropores;
the indwelling needle body includes:
the inner penetrating metal needle is arranged at one end of the indwelling needle body and is used for penetrating through the indwelling needle hose of the outer sleeve.
2. The medical straight tube type indwelling needle according to claim 1, wherein the outlet end of the indwelling needle hose has 3 to 10 micropores.
3. The medical straight tube type indwelling needle according to claim 1, wherein the length of the internally penetrating metal needle is 20cm to 100cm.
4. The medical straight tube type indwelling needle according to claim 3, wherein the indwelling needle hose has a length shorter than the length of the internally-penetrating metal needle by 1 to 4cm.
5. The medical straight tube type indwelling needle according to claim 1, wherein the outer cannula further comprises:
the sealing plug is arranged at the other end far away from the indwelling needle hose; the medical material of a soft material is arranged in the sealing plug, and a first through hole which is vertically communicated with the indwelling needle hose is arranged in the sealing plug.
6. The medical straight tube type indwelling needle according to claim 5, wherein the outer cannula further comprises:
and the liquid storage cavity is arranged between the sealing plug and the indwelling needle hose.
7. The medical straight tube type indwelling needle according to claim 6, wherein the lower end of the reservoir is of an inverted trapezoidal structure.
8. The medical straight tube type indwelling needle according to claim 1, wherein the indwelling needle body further comprises:
the holding handle is arranged at one end far away from the internally-penetrated metal needle and is provided with a second through hole with a hollow inner part.
9. The medical straight tube type indwelling needle according to claim 8, wherein the indwelling needle body further comprises:
the liquid inlet is arranged at the upper end of the holding handle, and the liquid inlet is communicated with the second through hole of the holding handle.
10. The medical straight tube type indwelling needle according to claim 9, wherein the indwelling needle body further comprises:
the limiting part is arranged at the lower end of the holding handle and is abutted to the upper port of the outer sleeve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221406435.2U CN218484945U (en) | 2022-06-06 | 2022-06-06 | Medical straight tube type remaining needle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221406435.2U CN218484945U (en) | 2022-06-06 | 2022-06-06 | Medical straight tube type remaining needle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218484945U true CN218484945U (en) | 2023-02-17 |
Family
ID=85181623
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221406435.2U Active CN218484945U (en) | 2022-06-06 | 2022-06-06 | Medical straight tube type remaining needle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218484945U (en) |
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2022
- 2022-06-06 CN CN202221406435.2U patent/CN218484945U/en active Active
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