CN215134770U - Pre-filled catheter flusher - Google Patents
Pre-filled catheter flusher Download PDFInfo
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- CN215134770U CN215134770U CN202121343212.1U CN202121343212U CN215134770U CN 215134770 U CN215134770 U CN 215134770U CN 202121343212 U CN202121343212 U CN 202121343212U CN 215134770 U CN215134770 U CN 215134770U
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- push rod
- cylinder
- joint portion
- piston
- annular
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Abstract
The utility model discloses a pre-charging type catheter flusher, including cylinder, push rod and piston, the piston sets up the inside at the cylinder, one end and the piston connection of push rod, the other end of push rod stretches out outside the cylinder, be provided with first joint portion on the outer wall of push rod, the open end of cylinder is provided with second joint portion, the push rod removes to one side of cylinder so that the piston supports with the interior bottom of cylinder and leans on the back, first joint portion is used for cooperating the joint with second joint portion to prevent that the push rod from removing towards the side of keeping away from the cylinder; the utility model discloses a set up first joint portion on the push rod, and after the open end of cylinder set up second joint portion, the flush fluid of pre-filling in the cylinder is accomplished by the injection, even make the interior bottom of piston and cylinder support and lean on the back, first joint portion can with second joint portion cooperation joint, so, can make push rod and cylinder lock die to can avoid pre-filling formula pipe flusher by the secondary usage.
Description
Technical Field
The utility model relates to the technical field of medical equipment, concretely relates to pre-filling type catheter flusher.
Background
The inside flush fluid that has prefilled of pre-filled catheter flusher is and is used for keeping somewhere the simplest and most effective apparatus that the needle pipe washed, flush fluid in the pre-filled catheter flusher on the market at present is after the injection, and the inside push rod of pre-filled catheter flusher still can the cylinder relatively move, so, pre-filled catheter flusher exists by the risk of secondary use, when pre-filled catheter flusher is used by the secondary, cause the risk of infection to the patient easily to there is very big potential safety hazard.
SUMMERY OF THE UTILITY MODEL
The utility model is not enough to prior art, the utility model provides a pre-filling type catheter flusher, it is through setting up first joint portion on the push rod, and after the open end of cylinder sets up second joint portion, the flush fluid of pre-filling is accomplished by the injection in the cylinder, even make the interior bottom of piston and cylinder support and lean on the back, first joint portion can cooperate the joint with second joint portion, so, can make push rod and cylinder lock die, thereby can avoid pre-filling type catheter flusher to be used secondarily, and then can eliminate because of pre-filling type catheter flusher is used secondarily and causes the risk of infecting the patient, the potential safety hazard has been eliminated.
The utility model discloses a pre-filled type pipe flusher, including cylinder, push rod and piston, the piston setting is in the inside of cylinder, the one end and the piston connection of push rod, and the other end of push rod stretches out outside the cylinder, is provided with first joint portion on the outer wall of push rod, and the open end of cylinder is provided with second joint portion, and the push rod removes so that the interior bottom of piston and cylinder supports and lean on the back towards one side of cylinder, first joint portion be used for with second joint portion cooperation joint in order to prevent that thrust rod moves towards one side of keeping away from the cylinder.
The utility model discloses a pre-filled catheter flusher, wherein, first joint portion is the annular chimb that sets up on the outer wall of push rod, the second joint portion is the annular step that sets up on the inner wall of cylinder open end, the push rod moves towards one side of cylinder so that after the piston leans on with the interior bottom of cylinder, the outward flange of annular chimb is used for the joint on annular step; after adopting this kind of structure, being promoted and making the push rod move towards one side of cylinder so that the interior bottom of piston and cylinder supports and lean on the back at the push rod, the annular chimb can enter into the cylinder, and the outward flange of annular chimb can the joint to the annular step on, so, can realize the locking to push rod and cylinder reliably.
The utility model discloses a pre-charging type catheter flusher, wherein, the peripheral wall of the annular convex edge is provided with an annular guide surface which is used for being matched and guided with the inner wall of the needle cylinder so as to facilitate the annular convex edge to enter the needle cylinder and to be matched and clamped with the annular step; through the setting of annular guiding surface, at the in-process that the push rod removed towards one side of cylinder, annular guiding surface can lead with the inner wall cooperation of cylinder in order to make things convenient for annular chimb to enter into the cylinder and with annular step cooperation joint.
The pre-filled catheter flusher of the utility model is characterized in that the push rod above the first clamping part is provided with a breakable area, when the upper end of the push rod is bent, the push rod above the breakable area and the push rod below the breakable area are disconnected in the breakable area; through the setting in breakable district, the flush fluid injection in the cylinder finishes the back, and medical personnel's accessible is buckled the upper end of push rod so that the push rod that is located breakable district top breaks off with the push rod that is located breakable district below, so, can avoid the utility model discloses a secondary uses can eliminate promptly the utility model discloses cause the hidden danger of infection to the patient because of secondary uses, eliminated the medical risk.
The utility model discloses a pre-filled catheter flusher, wherein, the cross section of the push rod at the position of the breakable zone is in a cross-shaped structure, and each outer side wall of the push rod at the position of the breakable zone is provided with a notch; after adopting this kind of structure, when medical personnel buckled the upper end of push rod, the push rod can break off at the incision department, so, can bring the convenience for the rupture of push rod.
The utility model discloses a set up first joint portion on the push rod, and set up second joint portion at the open end of cylinder after, the flush fluid of pre-filling finishes by the injection in the cylinder, even make the interior bottom of piston and cylinder support and lean on the back, first joint portion can with second joint portion cooperation joint, so, can make push rod and cylinder lock die, thereby can avoid pre-filling formula pipe flusher by the reuse, and then can eliminate because of pre-filling formula pipe flusher causes the risk of infecting to the patient by the reuse, the potential safety hazard has been eliminated.
Drawings
The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the application and together with the description serve to explain the application and not to limit the application. In the drawings:
FIG. 1 is a schematic sectional view of the present invention when the push rod is not pushed;
FIG. 2 is a schematic cross-sectional view of the push rod after being pushed and after the annular flange is engaged with the annular step;
FIG. 3 is a schematic front view of the assembled push rod and piston;
fig. 4 is a front view of the assembled push rod and piston without the break-off area.
Detailed Description
In the following description, numerous implementation details are set forth in order to provide a more thorough understanding of the present invention. It should be understood, however, that these implementation details should not be used to limit the invention. That is, in some embodiments of the invention, details of these implementations are not necessary. In addition, some conventional structures and components are shown in simplified schematic form in the drawings.
In addition, the descriptions related to "first", "second", etc. in the present invention are only for description purposes, not specifically referring to the order or sequence, and are not intended to limit the present invention, but only to distinguish the components or operations described in the same technical terms, and are not to be construed as indicating or implying any relative importance or implicit indication of 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, 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 or cannot be realized, the combination of the technical solutions should not be considered to exist, and is not within the protection scope of the present invention.
As shown in fig. 1-3, the utility model discloses a pre-filled type pipe flusher, including cylinder 1, push rod 2 and piston 3, piston 3 sets up the inside at cylinder 1, the one end and the piston 3 of push rod 2 are connected, the other end of push rod 2 stretches out outside cylinder 1, be provided with first joint portion on push rod 2's the outer wall, the open end of cylinder 1 is provided with second joint portion, push rod 2 supports to lean on the back towards one side of cylinder 1 removal so that piston 3 and cylinder 1's interior bottom, first joint portion be used for with second joint portion cooperation joint in order to prevent that thrust rod 2 moves towards one side of keeping away from cylinder 1.
The first clamping part is an annular convex edge 21 arranged on the outer wall of the push rod 2, the second clamping part is an annular step 11 arranged on the inner wall of the opening end of the needle cylinder 1, the push rod 2 moves towards one side of the needle cylinder 1 to enable the piston 3 to abut against the inner bottom of the needle cylinder 1, and the outer edge of the annular convex edge 21 is used for being clamped on the annular step 11; after adopting this kind of structure, being promoted and making the push rod move towards one side of cylinder so that the interior bottom of piston and cylinder supports and lean on the back at the push rod, the annular chimb can enter into the cylinder, and the outward flange of annular chimb can the joint to the annular step on, so, can realize the locking to push rod and cylinder reliably.
The outer peripheral wall of the annular convex edge 21 is provided with an annular guide surface 22, and the annular guide surface 22 is used for being matched and guided with the inner wall of the needle cylinder 1 so as to facilitate the annular convex edge 21 to enter the needle cylinder 1 and be matched and clamped with the annular step 11; through the setting of annular guiding surface, at the in-process that the push rod removed towards one side of cylinder, annular guiding surface can lead with the inner wall cooperation of cylinder in order to make things convenient for annular chimb to enter into the cylinder and with annular step cooperation joint.
A breakable area 23 is arranged on the push rod 2 above the first clamping part, and when the upper end of the push rod 2 is bent, the push rod 2 above the breakable area 23 and the push rod 2 below the breakable area 23 are disconnected in the breakable area 23; through the setting in breakable district, the flush fluid injection in the cylinder finishes the back, and medical personnel's accessible is buckled the upper end of push rod so that the push rod that is located breakable district top breaks off with the push rod that is located breakable district below, so, can avoid the utility model discloses a secondary uses can eliminate promptly the utility model discloses cause the hidden danger of infection to the patient because of secondary uses, eliminated the medical risk.
The cross section of the push rod 2 at the position of the breakable zone 23 is in a cross-shaped structure, and a notch 24 is arranged on each outer side wall of the push rod 2 at the position of the breakable zone 23; after adopting this kind of structure, when medical personnel buckled the upper end of push rod, the push rod can break off at the incision department, so, can bring the convenience for the rupture of push rod.
As shown in fig. 4, fig. 4 is a schematic front view of the assembled push rod and piston without a breakable zone, the push rod 2 without a breakable zone can also be used with the syringe 1, when the pre-filled washing liquid in the syringe is injected, that is, after the push rod is pushed and moves towards one side of the syringe to make the piston abut against the inner bottom of the syringe, the annular flange can enter the syringe, and the outer edge of the annular flange can be clamped on the annular step, so that the push rod and the syringe can be reliably locked to prevent the pre-filled catheter flusher from being used again.
In addition, the structure of the pre-filled catheter flusher can also be used on a common syringe or a self-destruction syringe to avoid the condition that the common syringe or the self-destruction syringe is used for the second time, and in addition, the self-destruction syringe refers to a syringe which can be automatically damaged after being used to avoid the second time.
The above description is only an embodiment of the present invention, and is not intended to limit the present invention. Various modifications and changes may occur to those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the scope of the claims of the present invention.
Claims (5)
1. The utility model provides a pre-filled catheter flusher, includes cylinder (1), push rod (2) and piston (3), piston (3) set up the inside at cylinder (1), the one end and the piston (3) of push rod (2) are connected, the other end of push rod (2) stretches out outside cylinder (1), its characterized in that: be provided with first joint portion on the outer wall of push rod (2), the open end of cylinder (1) is provided with second joint portion, push rod (2) move so that piston (3) and the interior bottom of cylinder (1) support and lean on the back towards one side of cylinder (1), first joint portion is used for moving towards one side of keeping away from cylinder (1) with anti-thrust bar (2) with second joint portion cooperation joint.
2. The pre-filled catheter flusher according to claim 1, wherein the first clamping portion is an annular convex edge (21) arranged on the outer wall of the push rod (2), the second clamping portion is an annular step (11) arranged on the inner wall of the open end of the needle cylinder (1), the push rod (2) moves towards one side of the needle cylinder (1) to enable the piston (3) to abut against the inner bottom of the needle cylinder (1) and then the outer edge of the annular convex edge (21) is used for being clamped on the annular step (11).
3. A pre-filled catheter flusher according to claim 2, wherein the outer circumferential wall of the annular flange (21) is provided with an annular guide surface (22), and the annular guide surface (22) is used for being matched and guided with the inner wall of the syringe (1) so as to facilitate the entering of the annular flange (21) into the syringe (1) and the matching and clamping of the annular step (11).
4. The pre-filled catheter flusher according to claim 1, wherein a breakable area (23) is provided on the push rod (2) above the first clamping portion, and when the upper end of the push rod (2) is bent, the push rod (2) above the breakable area (23) and the push rod (2) below the breakable area (23) are broken at the breakable area (23).
5. A pre-filled catheter flusher according to claim 4, wherein the cross-section of the push rod (2) at the location of the breakable zone (23) is a cross-shaped structure, and a notch (24) is provided on each outer side wall of the push rod (2) at the location of the breakable zone (23).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121343212.1U CN215134770U (en) | 2021-06-17 | 2021-06-17 | Pre-filled catheter flusher |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121343212.1U CN215134770U (en) | 2021-06-17 | 2021-06-17 | Pre-filled catheter flusher |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215134770U true CN215134770U (en) | 2021-12-14 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121343212.1U Active CN215134770U (en) | 2021-06-17 | 2021-06-17 | Pre-filled catheter flusher |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215134770U (en) |
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2021
- 2021-06-17 CN CN202121343212.1U patent/CN215134770U/en active Active
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