CN222399760U - A retention needle with accurate clamping position - Google Patents
A retention needle with accurate clamping position Download PDFInfo
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- CN222399760U CN222399760U CN202420125935.1U CN202420125935U CN222399760U CN 222399760 U CN222399760 U CN 222399760U CN 202420125935 U CN202420125935 U CN 202420125935U CN 222399760 U CN222399760 U CN 222399760U
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- needle
- connector
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- clamping
- seat
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Abstract
The utility model relates to an indwelling needle with an accurate clamping position, which comprises a puncture needle, a needle seat, a catheter, a connector and a clamping piece, wherein the puncture needle is arranged in the needle seat, the puncture needle is detachably connected with the needle seat, the needle point of the puncture needle can extend out of the needle seat, the first end of the catheter is fixedly connected to the side surface of the needle seat, the second end of the catheter is fixedly connected with the connector, the needle seat, the catheter and the connecting interior are communicated, the clamping piece is arranged on the catheter, the clamping piece is movably connected with the catheter, the front end of the clamping piece is provided with a positioning piece, the position of the clamping piece for clamping the catheter is at the upper third position, and the clamping pipeline standard can reduce the probability of blocking or blood return of the indwelling needle, and relieve the pain of patients and the workload of medical staff.
Description
Technical Field
The utility model belongs to the technical field of medical appliances, and particularly relates to an indwelling needle with an accurate clamping position.
Background
Intravenous infusion therapy is one of the most commonly used and most direct treatments in clinic. In recent years, with the progress of intravenous infusion treatment, 50 hundred million times of infusion treatment are carried out annually in China, 80% of inpatients are treated by intravenous infusion, and 85% of nurses use the infusion for more than 75%. In order to ensure smooth transfusion and furthest reduce puncture pain brought to patients by transfusion, currently, the intravenous indwelling needle is mainly used for the intravenous transfusion of patients clinically, and the popularization rate of the intravenous indwelling needle in China is more than 90 percent. The venous indwelling needle has the advantages of soft texture, simplicity in operation, high success rate, few complications, convenience in patient movement and moving and the like. The venous indwelling needle can protect veins, reduce pains and vascular injuries caused by repeated puncture, keep venous passages smooth, facilitate rescue and treatment, and is particularly suitable for patients with long-term venous transfusion and difficult venipuncture.
The existing device for clamping the indwelling needle can move on a pipeline, a nurse can be reminded of paying more attention to the clamping position of the indwelling needle when the indwelling needle is operated, most of the indwelling needle is clamped randomly at present in clinic, the standard clamping position of the indwelling needle is one third away from the joint of the needle head part, one great factor of the indwelling needle is that the nurse is not used to clamp one third when the indwelling needle is blocked, different clamping positions are one of factors which cause the indwelling needle to return blood and block in different degrees, the indwelling needle is possibly replaced after the pipeline is blocked or returns blood, the puncture pain of a patient is increased, and the workload of medical staff is increased.
The present utility model is directed to the above-described problems, and provides an indwelling needle with an accurate clipping position.
Disclosure of utility model
In order to overcome the problems in the background art, the utility model adopts the following technical scheme:
The utility model provides an accurate keep somewhere needle of clamp position, its includes pjncture needle, needle file, pipe, joint and clamp piece, the pjncture needle sets up in the inside of needle file, the pjncture needle with the needle file is dismantled and is connected, and the needle point of pjncture needle can stretch out in the needle file, the first end fixed connection of pipe is in the side of needle file, the second end and the joint fixed connection of pipe, needle file, pipe and switch on inside communicate with each other, the clamp piece sets up on the pipe, clamp piece and pipe swing joint, clamp piece front end sets up the setting element, the position that can fix a position clamp piece clamp pipe is in last third department, and clamp closed pipeline standard can reduce keep somewhere the probability that the needle takes place to block up or return blood, alleviates patient's misery and medical personnel's work load.
Further, the first end of the needle seat is provided with a soft sleeve, the soft sleeve is used for being reserved in a blood vessel of a patient, the inner diameter of the soft sleeve is the same as the diameter of the puncture needle, and the puncture needle stretches out in the soft sleeve after the needle seat is matched with the puncture needle.
Furthermore, the inside of needle file is cavity, set up the isolation plug between needle file and pipe junction and the second end of needle file, can guarantee pjncture needle insert and pull out to pjncture needle is inserted and is all leak-free after pulling out.
Further, the puncture needle is provided with a base, the shape of the base is cylindrical, and the diameter of the base is the same as that of the needle seat.
Further, a needle wing is arranged on the base of the puncture needle, the needle wing is sheet-shaped, and medical staff can pinch the needle wing to perform puncture operation.
The connector further comprises a first connector and a second connector, wherein the first connector is cylindrical, the inside of the first connector is hollow, the first end of the connector is communicated with the guide pipe, and the second end of the connector is communicated with outside air.
Furthermore, the second connector is fixedly connected to the side face of the first connector, the second connector is cylindrical, the inside of the second connector is hollow, the second connector, the first connector and the guide pipe are communicated, and the arrangement ensures that when the medicine is conveyed into the first connector, if other medicines are required to be injected, the other medicines can be injected into the second connector, so that the use is convenient.
Furthermore, heparin caps are arranged on the first connector and the second connector, and the heparin caps are repeatedly punctured to prevent liquid leakage when medicines are injected into the first connector or the second connector, so that the heparin caps are high in transparency and convenient to observe.
The second end of the clamping piece is provided with a baffle plate, the clamping piece is an elastic piece, the first end of the clamping piece is pressed, the first end of the clamping piece can contact the baffle plate and slide into the inner side of the second end of the clamping piece along the baffle plate, at the moment, the baffle plate blocks the first end of the clamping piece, and the clamping piece is in a clamping state.
Further, openings are formed in two ends of the clamping piece, the guide pipe penetrates through the openings, and the clamping piece can move on the guide pipe.
The positioning piece is arranged to be a round tube, the round tube is soft, the sum of the length of the round tube and the length of the front end part of the protruding block of the clamping piece is one third of the length of the catheter, the positioning piece is arranged to ensure that the clamping piece is pushed to the front end, when the front end of the positioning piece abuts against the first end of the catheter, the clamping position of the clamping piece is the upper third.
The utility model has the beneficial effects that the structure is reasonable, the front end of the clamping piece is provided with the locating piece, the sum of the length of the locating piece and the length of the front end part of the protruding block of the clamping piece is one third of the length of the catheter, so that when medical staff prop the locating piece against the first end of the catheter, the clamping position is the upper one third, no special finding of the clamping position is needed, the clamping position is accurate, the probability of blocking or blood return of the indwelling needle is reduced, and the pain of patients and the workload of the medical staff are reduced.
Drawings
FIG. 1 is a schematic view of the overall structure of the present utility model;
FIG. 2 is a schematic cross-sectional view of the entire structure of the present utility model;
FIG. 3 is a schematic cross-sectional view of the clamping portion of the clamping member of the present utility model;
FIG. 4 is a schematic view of a clamping member according to the present utility model;
fig. 5 is a schematic view of the structure of the needle hub and the soft cannula of the present utility model;
FIG. 6 is a schematic view of the structure of the puncture needle and the base of the present utility model;
In the figure, 1, a puncture needle, 2, a needle seat, 3, a clamping piece, 4, a soft sleeve, 5, a separation plug, 6, a base, 7, a needle wing, 8, a first connector, 9, a second connector, 10, a heparin cap, 12, an opening, 13, a catheter, 14 and a circular tube.
Detailed Description
The following detailed description of the embodiments of the present utility model will be made more apparent to those skilled in the art from the following detailed description, in which the utility model is embodied in several, but not all, embodiments of the utility model. The utility model may be embodied or applied in other specific forms and features of the following examples and examples may be combined with each other without conflict, all other examples being contemplated by those of ordinary skill in the art without undue burden from the present disclosure, based on the examples of the utility model.
Example 1
Referring to fig. 1-6, an indwelling needle with accurate clamping position in the embodiment comprises a puncture needle 1, a needle seat 2, a catheter 13, a connector and a clamping piece 3, wherein the puncture needle 1 is arranged in the needle seat 2, the puncture needle 1 is detachably connected with the needle seat 2, the needle tip of the puncture needle 1 can extend out of the needle seat 2, the first end of the catheter 13 is fixedly connected to the side surface of the needle seat 2, the second end of the catheter 13 is fixedly connected with the connector, the needle seat 2, the catheter 13 and the communicated interior are communicated, the clamping piece 3 is arranged on the catheter 13, the clamping piece 3 is movably connected with the catheter 13, the front end of the clamping piece 3 is provided with a positioning piece, the position of the clamping piece 3 for clamping the catheter 13 is in the upper third position, and the clamping pipeline standard is clamped, so that the probability of blocking or blood return of the indwelling needle can be reduced, and the pain of a patient and the workload of medical staff can be reduced.
Referring to fig. 1-3, in some embodiments, a soft cannula 4 is disposed at a first end of a needle holder 2, the soft cannula 4 is used to be placed in a blood vessel of a patient, an inner diameter of the soft cannula 4 is the same as a diameter of a puncture needle 1, the puncture needle 1 extends out of the soft cannula 4 after the needle holder 2 is matched with the puncture needle 1, a hollow isolation plug 5 is disposed inside the needle holder 2 between a connection part of the needle holder 2 and a catheter 13 and a second end of the needle holder 2, so that the puncture needle 1 can be ensured to be inserted and pulled out, and no liquid leakage occurs during and after the puncture needle 1 is inserted and pulled out.
Referring to fig. 6, in some embodiments, the puncture needle 1 is provided with a base 6, the shape of the base 6 is cylindrical, the diameter of the base 6 is the same as that of the needle seat 2, the base 6 of the puncture needle 1 is provided with a needle wing 7, the needle wing 7 is sheet-shaped, and a medical staff can hold the needle wing 7 for puncture operation.
Referring to fig. 1-2, in some embodiments, the connector includes a first connector 8 and a second connector 9, the first connector 8 is cylindrical and hollow, a first end of the connector is communicated with a conduit 13, a second end of the connector is communicated with outside air, the second connector 9 is fixedly connected to a side surface of the first connector 8, the second connector 9 is cylindrical and hollow, the second connector 9, the first connector 8 and the conduit 13 are communicated, the arrangement ensures that when medicine is delivered into the first connector 8, if other medicine needs to be injected into the second connector 9, the other medicine can be injected into the second connector 9, the use is convenient, heparin caps 10 are arranged on the first connector 8 and the second connector 9, and the arrangement ensures that repeated puncture of the heparin caps 10 to inject the medicine into the first connector 8 or the second connector 9 can not leak liquid, and has high transparency and is convenient for observation.
Referring to fig. 1-4, the clamp 3 is C-shaped, the first end of the clamp 3 is turned up outwards, protruding blocks are disposed on the inner side and opposite inner sides of the clamp 3 near the first end for clamping the catheter 13, a blocking piece is disposed on the second end of the clamp 3, the clamp 3 is an elastic piece, the first end of the clamp 3 is pressed, the first end of the clamp 3 can contact the blocking piece and slide into the inner side of the second end of the clamp 3 along the blocking piece, the blocking piece blocks the first end of the clamp 3, and the clamp 3 is in a clamped state.
Openings 12 are provided at both ends of the clamp 3, and a guide tube 13 passes through the openings 12, and the clamp 3 is movable on the guide tube 13.
Referring to fig. 3-4, in some embodiments, the positioning member is configured as a circular tube 14, the circular tube 14 is soft, the sum of the length of the circular tube 14 and the length of the front end portion of the protruding block of the clamping member 3 is one third of the length of the guide tube 13, and the above arrangement ensures that the clamping member 3 is pushed toward the front end, and when the front end of the positioning member abuts against the first end of the guide tube 13, the clamping position of the clamping member 3 is the upper third.
Example 2
On the basis of the embodiment 1, the novel indwelling needle is characterized in that the structure and the position of a positioning piece are specifically set, the indwelling needle with an accurate clamping position comprises a puncture needle 1, a needle seat 2, a catheter 13, a connector and a clamping piece 3, the puncture needle 1 is arranged in the needle seat 2, the puncture needle 1 is detachably connected with the needle seat 2, the needle tip of the puncture needle 1 can extend out of the needle seat 2, the first end of the catheter 13 is fixedly connected to the side face of the needle seat 2, the second end of the catheter 13 is fixedly connected with the connector, the needle seat 2, the catheter 13 and the connected interior are communicated, the clamping piece 3 is arranged on the catheter 13, the clamping piece 3 is movably connected with the catheter 13, the positioning piece is arranged at one third of the front end of the catheter 13, the position of the clamping piece 3 can clamp the catheter 13 is at the upper third, the pipeline standard is clamped, the probability of blocking or blood return of the indwelling needle can be reduced, and pain of a patient and workload of medical staff can be relieved.
In some embodiments, the positioning member is configured as a protruding ring, the protruding ring is fixedly connected to the catheter 13, and when the clamping member is clamped, the front end of the clamping member 3 is moved onto the protruding ring, and the clamping member 3 is pressed to clamp the catheter 13, so that the clamping member 3 is just clamped at one third of the front end of the catheter 13.
The above description of embodiments is only for the understanding of the present utility model. It should be noted that it will be apparent to those skilled in the art that modifications can be made to the present utility model without departing from the principles of the utility model, and such modifications will fall within the scope of the claims.
Claims (10)
1. The indwelling needle with the accurate clamping position is characterized by comprising a puncture needle, a needle seat, a catheter, a connector and a clamping piece, wherein the puncture needle is arranged in the needle seat, the puncture needle is detachably connected with the needle seat, a needle point of the puncture needle can extend out of the needle seat, a first end of the catheter is fixedly connected to the side face of the needle seat, a second end of the catheter is fixedly connected with the connector, the needle seat, the catheter and the connecting interior are communicated, the clamping piece is arranged on the catheter, the clamping piece is movably connected with the catheter, and a positioning piece is arranged at the front end of the clamping piece.
2. The accurate-clamping-position indwelling needle according to claim 1, wherein the first end of the needle seat is provided with a soft sleeve, the soft sleeve is used for being indwelled in a blood vessel of a patient, the inner diameter of the soft sleeve is the same as the diameter of the puncture needle, and the puncture needle extends out of the soft sleeve after the needle seat is matched with the puncture needle.
3. The accurately positioned indwelling needle according to claim 2, wherein the interior of said needle hub is hollow, and a spacer is provided between the junction of said needle hub and said catheter and the second end of said needle hub.
4. The accurate-clamping-position indwelling needle according to claim 3, wherein the puncture needle is provided with a base, the shape of the base is cylindrical, the diameter of the base is the same as that of the needle seat, and the base of the puncture needle is provided with a needle wing which is sheet-shaped.
5. The accurate positioning indwelling needle according to claim 1, wherein said connector comprises a first connector and a second connector, said first connector is cylindrical and hollow in interior, a first end of said connector is in communication with a catheter, and a second end of said connector is in communication with outside air.
6. The accurate positioning indwelling needle according to claim 5, wherein said second connector is fixedly connected to the side face of said first connector, said second connector is cylindrical and hollow, and said second connector, said first connector and said catheter are connected.
7. The accurately positioned indwelling needle according to claim 6, wherein said first connector and said second connector are each provided with a heparin cap.
8. The accurate-clamping-position indwelling needle according to claim 1, wherein the clamping member is C-shaped, the first end of the clamping member is tilted outwards, the inner side and the opposite inner side of the clamping member close to the first end are respectively provided with a protruding block for clamping the catheter, the second end of the clamping member is provided with a baffle plate, the clamping member is an elastic member, the first end of the clamping member is pressed, the first end of the clamping member can contact the baffle plate and slide into the inner side of the second end of the clamping member along the baffle plate, at the moment, the baffle plate blocks the first end of the clamping member, and the clamping member is in a clamping state.
9. The accurate positioning indwelling needle according to claim 8, wherein said holding member is provided with openings at both ends thereof, said catheter is passed through said openings, and said holding member is movable on said catheter.
10. The accurate positioning indwelling needle according to any one of claims 1 to 9, wherein said positioning member is provided as a circular tube, said circular tube is soft, and the sum of the length of the circular tube and the length of the front end portion of the protruding block of the positioning member is one third of the length of the catheter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202420125935.1U CN222399760U (en) | 2024-01-18 | 2024-01-18 | A retention needle with accurate clamping position |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202420125935.1U CN222399760U (en) | 2024-01-18 | 2024-01-18 | A retention needle with accurate clamping position |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN222399760U true CN222399760U (en) | 2025-01-28 |
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ID=94364152
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202420125935.1U Active CN222399760U (en) | 2024-01-18 | 2024-01-18 | A retention needle with accurate clamping position |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN222399760U (en) |
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- 2024-01-18 CN CN202420125935.1U patent/CN222399760U/en active Active
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