CN214911786U - Prevent pressing and hinder indwelling needle - Google Patents
Prevent pressing and hinder indwelling needle Download PDFInfo
- Publication number
- CN214911786U CN214911786U CN202120914143.9U CN202120914143U CN214911786U CN 214911786 U CN214911786 U CN 214911786U CN 202120914143 U CN202120914143 U CN 202120914143U CN 214911786 U CN214911786 U CN 214911786U
- Authority
- CN
- China
- Prior art keywords
- connecting seat
- patient
- needle
- sleeve
- skin
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Images
Landscapes
- Infusion, Injection, And Reservoir Apparatuses (AREA)
Abstract
The utility model belongs to the technical field of medical instrument, concretely relates to prevent pressing and hinder and keep somewhere needle, including the sleeve pipe and with the first connecting seat that the sleeve pipe links to each other, the sleeve pipe is used for arranging patient's blood vessel in, first connecting seat is used for cooperateing with outside infusion set, be the nip portion with the part of patient's skin contact on the first connecting seat, nip portion is the burnishing surface, perhaps for with patient's skin contact position matched with curved surface. In the scheme of this application, set up the nip portion into the flush side or for with patient skin contact position matched with curved surface, so, improved the fastness that first connecting seat was fixed by a wide margin, reduced the risk that the infusion in-process connecting seat slides and shifts by a wide margin, when improving the infusion security, also further reduced first connecting seat because of making a round trip the risk that sliding friction skin leads to patient's skin damage, also further reduction the risk that the sore was pressed in formation.
Description
Technical Field
The utility model belongs to the technical field of medical instrument, concretely relates to prevent pressing and hinder remaining needle.
Background
The use of the indwelling needle is convenient for clinical medication, emergency treatment medication for critical patients, reduction of workload of nurses and reduction of frequent puncture pain of patients, so that the indwelling needle is widely applied to clinical treatment.
As for the types of indwelling needles, there are many structural forms, such as an arterial indwelling needle, a venous indwelling needle, and the like, and the structure of these indwelling needles, as illustrated in fig. 1, mainly includes: be used for staying the soft sleeve pipe 1 of texture in the blood vessel, and be used for puncture guide's nook closing member 2, sleeve pipe 1 cladding is outside nook closing member 2, still set up connecting seat 3 in sleeve pipe 1's one end, when using, nook closing member 2 and sleeve pipe 1 puncture skin together enter into the blood vessel in, then take away nook closing member 2, sleeve pipe 1 stays in the blood vessel, communicate transfer line and connecting seat 3, can realize the infusion, once infuse and accomplish the back, take off the transfer line from the connecting seat, and it keeps somewhere the needle and continue to locate at patient's infusion, when using next time, again be connected connecting seat and transfer line can, so reduce the pain that the patient was punctured frequently and brought.
When in use, the indwelling needle needs to be left on the body of a patient for a long time, the connection seat and other structures need to be fixed on the skin of the patient when in use, the connection seat 3 is stuck on the skin of the patient by a medical adhesive tape in a commonly used mode at present, the indwelling needle can be fixed in the mode, however, the connection seat 3 of the indwelling needle is usually made of hard materials such as resin with hard texture, and in order to realize convenient and reliable connection with an infusion tube, the connection seat 3 is usually large in size, the connection seat 3 is bound on the skin of the patient, the connection seat 3 extrudes the local skin of the patient for a long time, tissue hypoxia at the local positions is caused to be left and rotten, and after the indwelling needle is taken down, the problem that the skin of the patient at the local positions is crushed is often found.
Therefore, there is a need to design an indwelling needle structure which can greatly reduce the risk of crush injury at the infusion site of a patient.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a: aiming at the defect that the skin of a patient is easily crushed to cause the problem of crushing when the existing indwelling needle is used, the indwelling needle structure capable of greatly reducing the risk of crushing at the transfusion position of the patient is provided.
In order to achieve the above object, the present invention provides the following technical solutions:
the utility model provides a prevent pressing wound and keep somewhere needle, including the sleeve pipe and with the first connecting seat that the sleeve pipe links to each other, the sleeve pipe is used for arranging patient's blood vessel in, first connecting seat is used for cooperateing with outside infusion set, the part that contacts with patient's skin on the first connecting seat is the nip portion, nip portion is the planishing face, perhaps is the curved surface with patient's skin contact position matched with.
As a preferable technical solution, the edge of the pressing part is set to be a round angle.
As a preferred technical scheme, the pressing part is a curved surface, and the arc radius of the pressing part is greater than that of the rest part of the first connecting seat.
As a preferable technical solution, the flat surface of the pressing portion is parallel to the sleeve.
As a preferable technical solution, the sleeve is located at a side where the pressing portion is located on the first connecting seat.
As a preferable technical solution, a distance between a side wall of the first connecting seat corresponding to the press-fit portion and a side wall of the sleeve is 0-2 mm. In the case of the solution according to the application, the side wall edge of the sleeve in the direction of the patient is tangent to the side wall of the press-on part at a distance of 0.
As a preferable technical scheme, the crush-resistant indwelling needle further comprises a needle core and a second connecting seat connected with the needle core, wherein one end of the needle core, which is far away from the second connecting seat, is sharp and penetrates through the first sleeve, the second connecting seat is detachably connected with the first connecting seat, and a side wall, which is towards the same direction as the pressing part, of the second connecting seat is flush with the side wall of the pressing part, or does not exceed the pressing part in the radial direction of the first connecting seat.
As a preferred technical scheme, a first channel communicated with the sleeve is arranged in the first connecting seat, one end of the needle core penetrates through the first channel to be matched with the sleeve, the other end of the needle core is connected with the second connecting seat, and the first channel and the sleeve are coaxially arranged.
As a preferred technical solution, the stylet is arranged at a side of the second connecting seat facing the patient, and the stylet is arranged coaxially with the first channel.
Preferably, a ventilation member is provided on the press-fit portion, and the ventilation member has a plurality of ventilation flow passages. When using, when first connecting seat is fixed on patient's skin, ventilation unit is located between first connecting seat and the patient skin, makes the air that the patient was extrudeed skin department can obtain the circulation, ensures the normal breathing of this place skin, and then reduces the emergence risk of crushing wound.
Preferably, the ventilation member is a gauze layer. In this application, the gauze layer is formed for adopting the multilayer gauze to overlap.
As a preferable technical solution, a plurality of through grooves are arranged on one side of the pressing part facing the ventilation part.
In a further preferred embodiment, a medical application layer is further provided on the side of the ventilation member that engages with the skin of the patient.
Compared with the prior art, the beneficial effects of the utility model are that:
in the scheme of this application, set up the nip portion into the flush side or for with patient skin contact position matched with curved surface, so, improved the fastness that first connecting seat was fixed by a wide margin, reduced the risk that the infusion in-process connecting seat slides and shifts by a wide margin, when improving the infusion security, also further reduced first connecting seat because of making a round trip the risk that sliding friction skin leads to patient's skin damage, also further reduction the risk that the sore was pressed in formation.
Description of the drawings:
FIG. 1 is a schematic view showing a split structure of an indwelling needle according to the prior art;
in fig. 1 are labeled: 1-sleeve, 2-needle core, 3-connecting seat,
FIG. 2 is a schematic cross-sectional view of a first connector housing and a ferrule according to an embodiment of the present disclosure;
FIG. 3 is a schematic view of the second connecting seat and the needle core engaged with the first connecting seat in FIG. 2;
fig. 4 is a partially enlarged view of a portion a in fig. 2.
Labeled in FIGS. 2-4: 1-sleeve, 2-first connecting seat, 3-pressing part, 4-needle core, 5-second connecting seat, 6-first channel, 7-ventilation part, 8-through groove, and 9-medical application layer.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings. It is to be understood that the embodiments described are only some of the embodiments of the present invention, and not all of them.
Thus, the following detailed description of the embodiments of the present invention is not intended to limit the scope of the invention as claimed, but is merely representative of some embodiments of the invention. 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, in the present invention, the embodiments and the features and technical solutions in the embodiments may be combined with each other without conflict.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
In the description of the present invention, it should be noted that the terms "upper" and "lower" indicate the orientation or position relationship based on the orientation or position relationship shown in the drawings, or the orientation or position relationship that the utility model is usually placed when using, or the orientation or position relationship that the skilled person usually understands, and such terms are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the device or element that is referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be interpreted as limiting the present invention. Furthermore, the terms "first," "second," and the like are used merely to distinguish one description from another, and are not to be construed as indicating or implying relative importance.
Embodiments, as shown in figures 2-4,
the utility model provides a prevent pressing and hinder remaining needle, including sleeve pipe 1 and with the first connecting seat 2 that sleeve pipe 1 links to each other, sleeve pipe 1 is used for arranging patient's blood vessel in, first connecting seat 2 is used for cooperateing with outside infusion set, the part that contacts with patient's skin on the first connecting seat 2 is pressfitting portion 3, pressfitting portion 3 is the planishing face, perhaps is the curved surface with patient's skin contact position matched with. When in use, the cannula 1 is positioned in the blood vessel of a patient, the first connecting seat 2 is connected with an external infusion device, thereby realizing the infusion operation, after the cannula 1 is placed in the blood vessel of the patient, the first connection holder 2 is fixed on the skin of the patient by means of a medical adhesive tape, by fixing the position of the cannula 1, the first connecting seat 2 is fixed on the skin of the patient, the pressing part 3 is contacted with the skin of the patient, in the scheme of the application, the pressing part 3 is set to be a flat surface or a curved surface matched with the contact position of the skin of the patient, thus, the firmness of fixing the first connecting seat 2 is greatly improved, the risk of sliding displacement of the connecting seat in the infusion process is greatly reduced, the infusion safety is greatly improved, the risk of the first connection socket 2 causing damage to the skin of the patient due to sliding friction against the skin back and forth is further reduced, as is the risk of pressure sores forming.
As a preferable embodiment, in addition to the above, further, the edge of the nip portion 3 is provided with a rounded corner. Set up the edge of nip portion 3 into the fillet, avoid nip portion 3 edge to form the closed angle and weigh wounded patient's skin.
As a preferred embodiment, based on the above solution, further, the pressing portion 3 is a curved surface, and an arc radius of the pressing portion 3 is larger than an arc radius of the rest portion of the first connecting seat 2.
In a preferred embodiment, in addition to the above solution, the flat surface of the pressing portion 3 is parallel to the sleeve 1. In this way, after the cannula 1 is placed in a blood vessel, the degree of bending of the joint between the cannula 1 and the first connector base 2 can be greatly reduced, and the cannula 1 can be ensured to be unobstructed.
In a preferred embodiment, based on the above solution, further, the sleeve 1 is located on a side of the first connecting seat 2 where the pressing portion 3 is located. So, the further crooked degree that sleeve pipe 1 lies in first connecting seat 2 hookup location appearance in the reduction uses, when guaranteeing good patency, also makes the nook closing member 4 that plays guide and puncture effect in sleeve pipe 1 when stabbing the blood vessel to comparatively straight mode puncture gets into patient's blood vessel, so, has also reduced the risk of the sharp-pointed tip fish tail vascular wall of nook closing member 4.
In a preferred embodiment, in addition to the above solution, a distance between a side wall of the first connection seat 2 corresponding to the press-fit portion 3 and a side wall of the casing 1 is further 0-2 mm. In the case of the solution according to the application, the side wall edge of the cannula 1 in the direction of the patient is tangent to the side wall of the press-on part 3 at a distance of 0.
As a preferable implementation manner, on the basis of the above scheme, the crush-proof indwelling needle further includes a stylet 4 and a second connecting seat 5 connected to the stylet 4, wherein an end of the stylet 4 away from the second connecting seat 5 is sharp and passes through the first cannula 1, the second connecting seat 5 is detachably connected to the first connecting seat 2, and a side wall of the second connecting seat 5 corresponding to the compression part 3 is flush with a side wall of the compression part 3, or does not exceed the compression part 3 in a radial direction of the first connecting seat 2. The needle core 4 is used for piercing the skin of a patient, the cannula 1 is guided to enter the blood vessel of the patient, the needle core 4 is drawn out from the cannula 1 through the second connecting seat 5 after the cannula 1 is in place, in the application, the side wall on the second connecting seat 5, which is the same as the direction of the pressing part 3, is flush with the side wall of the pressing part 3, or does not exceed the pressing part 3 along the radial direction of the first connecting seat 2, through the mode, when in use, the second connecting seat 5 does not cause excessive pressure to the skin of the patient, or is separated from the skin of the patient, when the friction to the skin of the patient in the operation process is reduced, because in the application, the attaching part is a flat surface, particularly a curved surface, the attaching part forms smaller friction with the skin of the patient, when the second connecting seat 5 is separated from the skin of the patient, the friction to the skin of the patient can not be caused in the process of piercing and drawing out the needle core 4, the skin of the patient can not block the second connecting seat 5, so that the problem that the puncture and the pull-out action of the needle core 4 are not smooth due to the blocking of the skin of the patient is avoided.
As a preferable embodiment, in addition to the above scheme, a first channel 6 communicating with the cannula 1 is further provided in the first connecting seat 2, one end of the stylet 4 passes through the first channel 6 to be matched with the cannula 1, the other end of the stylet 4 is connected with the second connecting seat 5, and the first channel 6 is coaxially provided with the cannula 1.
In a preferred embodiment, based on the above solution, further, the stylet 4 is disposed on a side of the second connecting seat 5 facing the patient, and the stylet 4 is disposed coaxially with the first channel 6. When the first connecting seat 2 and the second connecting seat 5 are matched, the needle core 4 and the first channel 6 are coaxially arranged.
In a preferred embodiment, in addition to the above, a ventilation member 7 is further provided on the nip portion 3, and the ventilation member 7 has a plurality of ventilation flow paths. When using, when first connecting seat 2 is fixed on patient's skin, ventilation parts 7 are located between first connecting seat 2 and patient's skin, make the air that the patient was extruded skin department can obtain the circulation, ensure the normal breathing of this place skin, and then reduce the emergence risk of crushing wound.
In a preferred embodiment, in addition to the above, the ventilation member 7 is a gauze layer. In this application, the gauze layer is formed for adopting the multilayer gauze to overlap, has a plurality of holes of ventilating on the gauze, and the texture is soft moreover, and on the one hand further reduction patient's skin is by the risk of crushing, and on the other hand does benefit to the breathing by pressfitting skin, and then further reduction the emergence risk of crushing, and still further improvement first connecting seat 2 by fixed stability, further reduction first connection and shift and the treatment risk that leads to.
In addition to the above, a plurality of through grooves 8 are further provided on the side of the pressing portion 3 facing the ventilation member 7. The arrangement of the through groove 8 is further beneficial to the ventilation effect, and the part of the ventilation part 7 is sunk into the through groove 8, so that the stable arrangement of the ventilation part 7 is further facilitated.
As a further preferable technical scheme, a medical application 9 layer is also arranged on the side of the ventilation part 7 matched with the skin of the patient. Medical applying ointment or plaster 9 has good ventilation effect, and the adoption has sticky medical applying ointment or plaster 9 moreover, can also realize the adhesion effect, has further made things convenient for the fixed of first connecting seat 2.
The above embodiments are only used to illustrate the present invention and not to limit the technical solutions described in the present invention, and although the present invention has been described in detail with reference to the above embodiments, the present invention is not limited to the above embodiments, and therefore, any modification or equivalent replacement may be made to the present invention; all the technical solutions and modifications without departing from the spirit and scope of the present invention are covered by the claims of the present invention.
Claims (10)
1. The utility model provides a prevent pressing wound and keep somewhere needle, includes the sleeve pipe and with the first connection seat that the sleeve pipe links to each other, the sleeve pipe is used for arranging patient's blood vessel in, first connection seat is used for cooperateing its characterized in that with outside infusion set: the part of the first connecting seat, which is contacted with the skin of the patient, is a pressing part, and the pressing part is a flat surface or a curved surface matched with the skin contact position of the patient.
2. The crush resistant indwelling needle of claim 1, wherein: the edge of the pressing part is set to be a round angle.
3. The crush resistant indwelling needle of claim 1, wherein: the pressing part is a curved surface, and the arc radius of the pressing part is larger than that of the rest part of the first connecting seat.
4. The crush resistant indwelling needle of claim 1, wherein: the flat surface of the pressing part is parallel to the sleeve.
5. The crush resistant indwelling needle of any one of claims 1 to 4, wherein: the sleeve is positioned on one side of the first connecting seat where the pressing part is positioned.
6. The crush resistant indwelling needle of claim 5, wherein: the distance between the side wall of the first connecting seat corresponding to the pressing part and the side wall of the sleeve is 0-2 mm.
7. The crush resistant indwelling needle of claim 5, wherein: the compression-injury-preventing remaining needle further comprises a needle core and a second connecting seat connected with the needle core, one end, far away from the second connecting seat, of the needle core is sharp and penetrates through the first sleeve, the second connecting seat is detachably connected with the first connecting seat, a side wall, facing the same direction as the compression portion, of the second connecting seat is flush with the side wall of the compression portion, or the side wall does not exceed the compression portion in the radial direction of the first connecting seat.
8. The crush resistant indwelling needle of claim 7, wherein: the needle core is characterized in that a first channel communicated with the sleeve is arranged in the first connecting seat, one end of the needle core penetrates through the first channel to be matched with the sleeve, the other end of the needle core is connected with the second connecting seat, and the first channel and the sleeve are coaxially arranged.
9. The crush resistant indwelling needle of claim 8, wherein: the needle core is arranged on one side, facing the patient, of the second connecting seat, and the needle core and the first channel are coaxially arranged.
10. The crush resistant indwelling needle of claim 5, wherein: and the pressing part is provided with a ventilation part, and the ventilation part is provided with a plurality of ventilation flow passages.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120914143.9U CN214911786U (en) | 2021-04-29 | 2021-04-29 | Prevent pressing and hinder indwelling needle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120914143.9U CN214911786U (en) | 2021-04-29 | 2021-04-29 | Prevent pressing and hinder indwelling needle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214911786U true CN214911786U (en) | 2021-11-30 |
Family
ID=79065225
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120914143.9U Expired - Fee Related CN214911786U (en) | 2021-04-29 | 2021-04-29 | Prevent pressing and hinder indwelling needle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214911786U (en) |
-
2021
- 2021-04-29 CN CN202120914143.9U patent/CN214911786U/en not_active Expired - Fee Related
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US5545143A (en) | Device for subcutaneous medication delivery | |
| US7214215B2 (en) | Puncture device with a flexible catheter tube for connecting to a medical infusion line | |
| US5637098A (en) | Catheter securement device | |
| KR20070042885A (en) | Safety infusion set | |
| CN214911786U (en) | Prevent pressing and hinder indwelling needle | |
| CN207545565U (en) | Facilitate the fixed remaining needle of inserting needle | |
| CN211132465U (en) | Novel indwelling needle capable of being punctured by single hand and fixed by U-shaped high-lift platform method | |
| CN217854056U (en) | Remaining needle for reducing local compression strength of patient | |
| CN217854057U (en) | Prevent pressing sore and keep somewhere needle | |
| CN218474623U (en) | Hemostatic material pushing device for vascular puncture | |
| CN208372223U (en) | The application fixed for remaining needle extension tube | |
| CN214911785U (en) | Artery indwelling needle provided with one-way blocking device | |
| CN207912977U (en) | A kind of remaining needle | |
| CN212090420U (en) | Indwelling needle | |
| CN219763500U (en) | Subcutaneous tunnel needle penetrating guiding device | |
| CN219208712U (en) | Drainage tube joint | |
| CN215194523U (en) | Remaining needle for preventing skin pressure injury | |
| CN215083399U (en) | Artery indwelling needle for preventing artery blood from jetting | |
| CN214860009U (en) | Damage-preventing remaining needle | |
| CN219001478U (en) | Adjustable negative pressure retention needle | |
| CN218944045U (en) | Intravenous transfusion port needle fixing patch | |
| CN219398485U (en) | Medical corrugated pipe and medicinal fluid infusion device | |
| CN207085023U (en) | A kind of medical remaining needle | |
| CN212308577U (en) | Needle is put into to prevent acupuncture implanted infusion set | |
| CN217724247U (en) | Indwelling needle fixing plaster |
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: 20211130 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |