CN219481109U - Novel special needle extractor for venous port - Google Patents
Novel special needle extractor for venous port Download PDFInfo
- Publication number
- CN219481109U CN219481109U CN202320492660.0U CN202320492660U CN219481109U CN 219481109 U CN219481109 U CN 219481109U CN 202320492660 U CN202320492660 U CN 202320492660U CN 219481109 U CN219481109 U CN 219481109U
- Authority
- CN
- China
- Prior art keywords
- needle
- fixing seat
- fixedly connected
- butterfly wing
- bottom end
- 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.)
- Active
Links
Landscapes
- Infusion, Injection, And Reservoir Apparatuses (AREA)
Abstract
The utility model relates to the technical field of medical equipment, in particular to a novel special needle extractor for a venous port, which comprises the following components: the fixing seat is fixedly connected with an arc-shaped plate at the bottom of the fixing seat, a fixing ring is fixedly connected to the bottom of the arc-shaped plate, and a clamping groove is formed in the surface of the fixing ring; the auxiliary device is arranged in the fixing seat, and the bottom end of the auxiliary device penetrates through the fixing seat and extends to the outside of the fixing seat; through setting up and pulling out needle mechanism, medical personnel can operate needle mechanism through rotating the knob, makes movable sleeve can drive the butterfly wing needle through L type pole and pulling out the faller and upwards move, until the butterfly wing needle is light to loosen the departure body to pull out the butterfly wing needle completely, pull out in-process medical personnel's hand need not to contact the butterfly wing needle, thereby can avoid the butterfly wing needle to stab medical personnel's hand because of inertia when pulling out, avoid cross infection.
Description
Technical Field
The utility model relates to the technical field of medical appliances, in particular to a novel needle extractor special for a venous port.
Background
The infusion port is a closed infusion device which is completely implanted in a human body and comprises a catheter part with a tip end positioned in an upper vena cava and an injection seat implanted under the skin, and because the infusion port is a closed intravenous infusion device which is completely embedded in the human body, the infusion port has little influence on the daily life of a patient, is convenient to maintain and is gradually accepted by a plurality of clinical oncologists, at present, medical staff generally presses the infusion port by one hand when pulling out the port needle of the infusion port, and pulls out the port needle by the other hand, but in the pulling-out process, due to the thicker thickness of the silica gel diaphragm, the inertia of the medical staff when pulling out the needle can lead to the insertion of the needle into the hand of the medical staff after the needle is pulled out, thereby causing cross infection.
Therefore, a novel special needle remover for the venous port is provided to solve the problems.
Disclosure of Invention
The utility model aims to solve the problems, and provides a novel needle extractor special for a venous port, which solves the problem that the inertia of medical staff when the needle is extracted can cause the needle to be inserted into the hand of the medical staff after the needle is extracted, so that cross infection is caused.
The utility model realizes the aim through the following technical scheme, and the novel special needle remover for the venous port comprises the following components: the fixing seat is fixedly connected with an arc-shaped plate at the bottom of the fixing seat, a fixing ring is fixedly connected to the bottom of the arc-shaped plate, and a clamping groove is formed in the surface of the fixing ring; the auxiliary device is arranged in the fixing seat, and the bottom end of the auxiliary device penetrates through the fixing seat and extends to the outside of the fixing seat; the auxiliary device comprises a needle pulling mechanism arranged inside the fixing seat, wherein the bottom end of the needle pulling mechanism penetrates through the fixing seat and extends to the lower side of the fixing seat, the inside of the fixing seat is connected with a supporting and tightening mechanism in a sliding mode, and the bottom end of the supporting and tightening mechanism penetrates through the fixing seat and extends to the lower side of the fixing seat.
Preferably, the needle pulling mechanism comprises a knob which is rotationally connected to the top of the fixed seat, the bottom end of the knob penetrates through the fixed seat and is fixedly connected with a screw rod, a movable sleeve is connected to the surface thread of the screw rod, the bottom end of the movable sleeve penetrates through the fixed seat and is fixedly connected with an L-shaped rod, the bottom end of the L-shaped rod is fixedly connected with a needle pulling plate, the needle pulling mechanism is arranged, medical staff can operate the needle pulling mechanism by rotating the knob, the movable sleeve can drive the butterfly wing needle to move upwards through the L-shaped rod and the needle pulling plate until the butterfly wing needle is loosened and separated from the port body, so that the butterfly wing needle is completely pulled out, hands of medical staff do not need to contact the butterfly wing needle in the pulling process, the hands of the medical staff are prevented from being stabbed due to inertia during pulling out, cross infection is avoided, meanwhile, the screw rod can stably and vertically drive the movable sleeve to move upwards, the butterfly wing needle is prevented from inclining in the pulling out process, and secondary injuries to patients are prevented.
Preferably, the limiting groove is formed in the inner wall of the fixing base, the limiting block is fixedly connected with the limiting groove and is in sliding connection with the inner wall of the limiting groove, and the limiting block can slide in the limiting groove along with the movement of the movable sleeve through the limiting groove and the limiting block, so that the situation that the movable sleeve shifts in the moving process can be avoided, meanwhile, the movable sleeve is prevented from being separated from the fixing base due to limited height of the limiting groove, and the stability of the device is improved.
Preferably, the surface of the needle pulling plate is provided with a strip-shaped opening, the strip-shaped opening is communicated with the clamping groove, and the clamping groove and the strip-shaped opening are arranged so that the fixing ring and the needle pulling plate can be smoothly buckled below the butterfly wing needle when being arranged, and the practicality of the device is improved.
Preferably, the tight mechanism is including setting up in the tight board that supports of pulling out faller top, the top fixedly connected with of supporting tight board is two springs, the top of spring and the bottom fixed connection of fixing base, the top fixedly connected with of supporting tight board is two and is located two respectively the inside movable rod of spring, the movable groove of quantity for two is seted up to the bottom of fixing base, the top of movable rod runs through spring and movable groove in proper order and extends to the inside of movable groove, through setting up tight mechanism, under the elastic potential energy pressure of spring, supports tight board can support the butterfly wing needle at the butterfly wing needle and last ascending removal in-process to avoided the butterfly wing needle to appear the condition of position offset at the in-process that upwards pulls out, guaranteed the butterfly wing needle at the in-process stability of pulling out, further reduced the possibility that the butterfly wing needle can stab medical personnel and patient.
Preferably, the shape of supporting tight board is butterfly, the bottom of supporting tight board is provided with the sponge layer, through setting up the sponge layer, and the butterfly wing needle can sink into the sponge layer at the in-process that lasts upwards, and the sponge layer can wrap up the butterfly wing needle of various specifications and shape to can be better carry out spacingly to the butterfly wing needle, increased the stability of device.
The beneficial effects of the utility model are as follows:
1. through setting up the needle pulling mechanism, medical personnel can operate the needle pulling mechanism through rotating the knob, make the movable sleeve drive the butterfly wing needle through L type pole and pulling needle board and upwards move, until the butterfly wing needle is light to loosen and leave the harbor body, thereby pull out the butterfly wing needle completely, medical personnel's hand need not to contact the butterfly wing needle in the pulling-out process, thereby can avoid the butterfly wing needle to stab medical personnel's hand because of inertia when pulling out, avoid cross infection, the screw rod is when rotating towards same direction simultaneously, can stabilize vertically and drive the movable sleeve and upwards move, avoid the butterfly wing needle to appear the slope in the pulling-out process, stopped the butterfly wing to cause secondary injury to the patient;
2. through setting up tightly the mechanism, under the elastic potential energy pressure of spring, tightly the board can support tightly the butterfly wing needle at the butterfly wing needle continuously ascending removal in-process to avoided the butterfly wing needle to appear the condition of position offset at the in-process that upwards pulls out, guaranteed the butterfly wing needle at the stability of the in-process that pulls out, further reduced the possibility that the butterfly wing needle can stab medical personnel and patient, the butterfly wing needle can sink into the sponge layer at the in-process that lasts upwards, the sponge layer can wrap up the butterfly wing needle of various specifications and shape, thereby can be better carry out spacingly to the butterfly wing needle, the stability of device has been increased.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a schematic cross-sectional view of the present utility model;
FIG. 3 is a schematic side cross-sectional view of the present utility model;
fig. 4 is an enlarged view of a in fig. 2.
In the figure: 1. a fixing seat; 2. an arc-shaped plate; 3. a fixing ring; 4. an auxiliary device; 41. a needle pulling mechanism; 411. a movable sleeve; 412. a screw; 413. an L-shaped rod; 414. pulling out the needle plate; 415. a strip-shaped opening; 416. a knob; 417. a limit groove; 418. a limiting block; 42. a tightening mechanism; 421. a pressing plate; 422. a movable rod; 423. a spring; 424. a movable groove; 425. a sponge layer.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
The specific implementation method comprises the following steps: as shown in fig. 1-4, a novel special needle remover for venous port comprises: the fixing seat 1, the bottom of the fixing seat 1 is fixedly connected with an arc-shaped plate 2, the bottom of the arc-shaped plate 2 is fixedly connected with a fixed ring 3, and the surface of the fixed ring 3 is provided with a clamping groove; the auxiliary device 4 is arranged in the fixed seat 1, and the bottom end of the auxiliary device 4 penetrates through the fixed seat 1 and extends to the outside of the fixed seat 1; wherein, auxiliary device 4 is including setting up in the inside needle pulling mechanism 41 of fixing base 1, and needle pulling mechanism 41's bottom runs through fixing base 1 and extends to fixing base 1's below, and fixing base 1's inside sliding connection has to support tight mechanism 42, supports tight mechanism 42's bottom and runs through fixing base 1 and extend to fixing base 1's below.
As shown in fig. 2, 3 and 4, the needle pulling mechanism 41 includes a knob 416 rotatably connected to the top of the fixed seat 1, the bottom end of the knob 416 penetrates through the fixed seat 1 and is fixedly connected with a screw 412, the surface of the screw 412 is in threaded connection with a movable sleeve 411, the bottom end of the movable sleeve 411 penetrates through the fixed seat 1 and is fixedly connected with an L-shaped rod 413, the bottom end of the L-shaped rod 413 is fixedly connected with a needle pulling plate 414, in the use process, a medical staff firstly buckles the fixed ring 3 and the needle pulling plate 414 below the winged needle, so that the fixed ring 3 is pressed on the skin above the port body, then the medical staff holds the fixed seat 1 with one hand, the knob 416 is rotated with the other hand, the screw 412 is driven to rotate by the knob 416, the movable sleeve 411 is driven by the screw thread to move upwards in the fixed seat 1, and then the movable sleeve 411 drives the needle pulling plate 414 to move upwards by the L-shaped rod 413, so that the needle pulling plate 414 can drive the winged needle to be pulled upwards until the winged needle is completely removed from the port body.
As shown in fig. 2, 3 and 4, the inner wall of the fixed seat 1 is provided with a limit groove 417, a limiting block 418 slidably connected with the inner wall of the limit groove 417 is fixedly connected to the surface of the movable sleeve 411, and the movable sleeve 411 also drives the limiting block 418 to slide in the limit groove 417 when moving.
As shown in fig. 2 and 3, a strip-shaped opening 415 is formed in the surface of the needle pulling plate 414, the strip-shaped opening 415 is communicated with the clamping groove, and when the fixed ring 3 and the arc plate 2 are buckled below the butterfly wing needle, the needle head on the butterfly wing needle can be buckled into the strip-shaped opening 415 along the clamping groove and the strip-shaped opening 415.
As shown in fig. 2 and fig. 3, the abutting mechanism 42 includes two abutting plates 421 disposed above the needle pulling plate 414, two springs 423 are fixedly connected to the top of the abutting plates 421, two movable rods 422 are fixedly connected to the top of the springs 423 and located inside the two springs 423, two movable grooves 424 are formed in the bottom of the fixed seat 1, the top of the movable rods 422 sequentially penetrates through the springs 423 and the movable grooves 424 and extends to the inside of the movable grooves 424, when the needle pulling plate 414 drives the butterfly wing needle to be pulled up, the top ends of the butterfly wing needle contact the abutting plates 421, and the butterfly wing needle is continuously moved upwards along with the continuous upward movement of the butterfly wing needle, and meanwhile, the butterfly wing needle is abutted under the pressure of the pressing springs 423 of the abutting plates 421, and the rod body of the movable rod 422 is continuously inserted into the movable grooves 424 along with the upward movement of the abutting plates 421.
As shown in fig. 2 and 3, the shape of the abutting plate 421 is a butterfly shape, a sponge layer 425 is provided at the bottom of the abutting plate 421, and the butterfly needle is sunk into the sponge layer 425 provided at the bottom of the abutting plate 421 during the pulling-out process.
When the needle pulling device is used, in the use process, medical staff firstly buckles the fixed ring 3 and the needle pulling plate 414 below the butterfly wing needle, so that the fixed ring 3 is pressed on the skin above the port body, then the medical staff holds the fixed seat 1 with one hand and rotates the knob 416 with the other hand to operate the needle pulling mechanism 41, the movable sleeve 411 drives the needle pulling plate 414 to move upwards through the L-shaped rod 413, when the needle pulling plate 414 drives the butterfly wing needle to pull upwards, the top end of the butterfly wing needle can contact the abutting plate 421, and the butterfly wing needle continuously moves upwards along with the upward movement of the butterfly wing needle, and then the abutting plate 421 abuts against the butterfly wing needle under the pressure of the pressing spring 423, so that the needle pulling plate 414 can drive the butterfly wing needle to pull upwards until the butterfly wing needle completely moves out of the port body.
Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.
Claims (6)
1. Novel special needle extractor of venous port, its characterized in that includes:
the fixing seat (1), the bottom of fixing seat (1) is fixedly connected with an arc-shaped plate (2), the bottom of arc-shaped plate (2) is fixedly connected with a fixed ring (3), and the surface of fixed ring (3) is provided with a clamping groove;
the auxiliary device (4) is arranged in the fixed seat (1), and the bottom end of the auxiliary device (4) penetrates through the fixed seat (1) and extends to the outside of the fixed seat (1);
the auxiliary device (4) comprises a needle pulling mechanism (41) arranged inside the fixing seat (1), wherein the bottom end of the needle pulling mechanism (41) penetrates through the fixing seat (1) and extends to the lower side of the fixing seat (1), the inside of the fixing seat (1) is connected with a supporting and tightening mechanism (42) in a sliding mode, and the bottom end of the supporting and tightening mechanism (42) penetrates through the fixing seat (1) and extends to the lower side of the fixing seat (1).
2. The novel special needle extractor for the venous port of claim 1, wherein the needle extractor comprises: the needle pulling mechanism (41) comprises a knob (416) which is rotationally connected to the top of the fixed seat (1), the bottom end of the knob (416) penetrates through the fixed seat (1) and is fixedly connected with a screw rod (412), a movable sleeve (411) is connected to the surface of the screw rod (412) in a threaded mode, the bottom end of the movable sleeve (411) penetrates through the fixed seat (1) and is fixedly connected with an L-shaped rod (413), and a needle pulling plate (414) is fixedly connected to the bottom end of the L-shaped rod (413).
3. The novel special needle extractor for the venous port according to claim 2, wherein: limiting grooves (417) are formed in the inner wall of the fixed seat (1), and limiting blocks (418) which are in sliding connection with the inner wall of the limiting grooves (417) are fixedly connected to the surface of the movable sleeve (411).
4. The novel special needle extractor for the venous port according to claim 2, wherein: the surface of the needle pulling plate (414) is provided with a strip-shaped opening (415), and the strip-shaped opening (415) is communicated with the clamping groove.
5. The novel special needle extractor for the venous port according to claim 2, wherein: the tight mechanism (42) is including setting up in supporting tight board (421) of pulling out faller (414) top, the top fixedly connected with of supporting tight board (421) is spring (423) of two quantity, the top of spring (423) and the bottom fixed connection of fixing base (1), the top fixedly connected with of supporting tight board (421) is two and is located two respectively movable rod (422) inside spring (423), movable groove (424) that the quantity is two are seted up to the bottom of fixing base (1), the top of movable rod (422) runs through spring (423) and movable groove (424) in proper order and extends to the inside of movable groove (424).
6. The novel special needle remover for venous ports of claim 5, wherein: the shape of the abutting plate (421) is a butterfly shape, and a sponge layer (425) is arranged at the bottom of the abutting plate (421).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320492660.0U CN219481109U (en) | 2023-03-15 | 2023-03-15 | Novel special needle extractor for venous port |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320492660.0U CN219481109U (en) | 2023-03-15 | 2023-03-15 | Novel special needle extractor for venous port |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219481109U true CN219481109U (en) | 2023-08-08 |
Family
ID=87514656
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320492660.0U Active CN219481109U (en) | 2023-03-15 | 2023-03-15 | Novel special needle extractor for venous port |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219481109U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116850377A (en) * | 2023-08-21 | 2023-10-10 | 浙江大学 | Needle safety protection device is pulled out to infusion port nondestructive needle |
-
2023
- 2023-03-15 CN CN202320492660.0U patent/CN219481109U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116850377A (en) * | 2023-08-21 | 2023-10-10 | 浙江大学 | Needle safety protection device is pulled out to infusion port nondestructive needle |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN219481109U (en) | Novel special needle extractor for venous port | |
| CN211410492U (en) | Special floating needle inserting device for penis cells | |
| CN111728796A (en) | Bedside fixing device for hemodialysis room nursing | |
| CN114948687A (en) | Positioning device and positioning method for traditional Chinese medicine acupuncture | |
| CN216653036U (en) | Needle extractor for transfusion port | |
| CN215778972U (en) | Medical orthopedics auxiliary traction device | |
| CN215385515U (en) | A nursing tray for medical treatment | |
| CN215504856U (en) | Needle extractor for transfusion port | |
| CN210904324U (en) | Fixing device of hemodialysis pipe | |
| CN112244926B (en) | Compression hemostasis device used after needle pulling in infusion | |
| CN213609285U (en) | Auxiliary device for cardiovascular intubation | |
| CN221357725U (en) | Boosting instrument | |
| CN213158464U (en) | Pressure sore prevention indwelling needle | |
| CN221831330U (en) | Needle pulling auxiliary device for transfusion port | |
| CN220213600U (en) | Infusion pump for nerve block | |
| CN221866093U (en) | Children's oral cavity mouth gag | |
| CN110237350A (en) | One kind is medical, and pulling out needle changes bottled syringe and its application method automatically | |
| CN220293936U (en) | Needle remover for transfusion port | |
| CN217034977U (en) | Vein puncture model capable of returning blood | |
| CN221787544U (en) | Tumor hydrops extractor | |
| CN215690655U (en) | Health management device suitable for diabetics | |
| CN221309105U (en) | Tool for removing nondestructive needle of transfusion port | |
| CN218890003U (en) | Needle pulling auxiliary device for transfusion port | |
| CN221692376U (en) | Upper arm support bracket for transfusion | |
| CN218980018U (en) | Anti-reflux device for venous indwelling needle |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |