CN210933146U - Novel push-and-pull type needle puller for transfusion port - Google Patents
Novel push-and-pull type needle puller for transfusion port Download PDFInfo
- Publication number
- CN210933146U CN210933146U CN201921522382.9U CN201921522382U CN210933146U CN 210933146 U CN210933146 U CN 210933146U CN 201921522382 U CN201921522382 U CN 201921522382U CN 210933146 U CN210933146 U CN 210933146U
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- China
- Prior art keywords
- needle
- pull
- clamp plate
- pulling
- pulling seat
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- 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
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- 238000001802 infusion Methods 0.000 abstract description 17
- 238000009434 installation Methods 0.000 abstract description 4
- 238000000034 method Methods 0.000 abstract description 4
- 208000015181 infectious disease Diseases 0.000 abstract description 3
- 244000241796 Christia obcordata Species 0.000 description 4
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 3
- 239000000741 silica gel Substances 0.000 description 3
- 229910002027 silica gel Inorganic materials 0.000 description 3
- 230000006378 damage Effects 0.000 description 2
- 229920001971 elastomer Polymers 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 238000004659 sterilization and disinfection Methods 0.000 description 2
- 208000012266 Needlestick injury Diseases 0.000 description 1
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000013013 elastic material Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 239000004816 latex Substances 0.000 description 1
- 229920000126 latex Polymers 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000000474 nursing effect Effects 0.000 description 1
- 244000052769 pathogen Species 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000035807 sensation Effects 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 210000002620 vena cava superior Anatomy 0.000 description 1
Images
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- Infusion, Injection, And Reservoir Apparatuses (AREA)
Abstract
The embodiment of the utility model discloses a novel push-pull type needle puller for an infusion port, which comprises a needle pulling seat; the annular plate is fixed at the bottom end of the needle pulling seat; the elastic contact pad is detachably arranged at the bottom end of the needle pulling seat; the clamp plate is positioned at the top of the annular plate and slides up and down in the needle pulling seat; the needle clamp is arranged on the clamp plate, and the semicircular needle pulling seat is adopted to simulate the finger pressure of a medical worker on the infusion port, so that the infusion port can not pull the skin of a patient when the needle is pulled out, and the pain of the patient is relieved; elastic contact pad can effectively avoid pulling out the slip of needle in-process, has reduced and has pulled out the needle error, improves and pull out needle stability and accuracy, and detachable installation makes elastic contact pad change more convenient, has avoided the infection between the patient, and more sanitary safety, plug-type needle of pulling out, novel structure because the operation is pulling out the inside of needle file and going on, therefore medical personnel or patient can not pricked to the needle, safe and reliable more.
Description
Technical Field
The utility model relates to the field of medical equipment, especially, relate to a novel but push-and-pull infusion port pulls out needle ware.
Background
A portable infusion PORT (PORT) is a closed infusion device completely implanted in a human body, comprises a catheter part with the tip positioned in a superior vena cava and an injection seat embedded under the skin, and is a novel polygonal medical instrument for pulling out a needle from the infusion PORT, and the medical instrument can be pushed and pulled.
Because infusion port base top silica gel puncture diaphragm texture is inseparable, after the patient infusion, the nurse uses the fixed infusion port base of left hand, the not damaged needle of very hard could be pulled out to the right hand often, and pull out in the twinkling of an eye at the not damaged needle of butterfly wing, the "butterfly wing" that the right hand grabbed is the elastic material preparation, pull out needle in-process "butterfly wing" can be because elasticity and extension, can make the needle kick-back because recovering elasticity in the twinkling of an eye "butterfly wing" of pulling out the needle, very easily lead to the nurse to press the needle stick injury incident of base finger or patient puncture department skin and take place. In this case, the "atraumatic needle" damages not only the nursing staff but also the patients, and once infected by various pathogens, it may cause a heavy hit to the nurses' psychology and economic loss.
Disclosure of Invention
The utility model aims to provide a novel push-pull needle extractor for an infusion port, which solves the technical problems.
The utility model provides a technical problem can adopt following technical scheme to realize:
a novel push-pull type needle extractor for transfusion port comprises
A needle pulling seat;
the annular plate is fixed at the bottom end of the inner wall of the needle pulling seat;
the elastic contact pad is detachably arranged at the bottom ends of the needle pulling seat and the annular plate;
the clamp plate is positioned at the top of the annular plate, slides up and down in the needle pulling seat, and the top surface of the clamp plate is connected with a pull ring;
a pin clamp mounted on the clamp plate.
Preferably, the depression section of the needle pulling seat is in a semicircular ring shape, and an opening is formed in the side surface of the needle pulling seat.
Preferably, a pressing block is installed on the outer side of the needle pulling seat, a non-slip pad is attached to the inner side face of the needle pulling seat, and the non-slip pad is in contact with the side face of the clamp plate.
Preferably, the elastic contact pad comprises a flat bar and a round bar, the tracks of the flat bar and the round bar are circular arc-shaped, the cross sections of the ends of the flat bar and the round bar are respectively rectangular and circular, the round bar is fixed on the top surface of the flat bar, and a cylindrical caulking groove allowing the round bar to be embedded is formed in the bottom surface of the needle pulling seat.
Preferably, a plurality of anti-skid convex points are arranged on the bottom surface of the flat bar.
Preferably, a plurality of vertical guide rods are fixed on the annular plate, a pull ring is installed on the clamp plate, a plurality of guide holes are formed in the clamp plate, and the vertical guide rods are inserted into the guide holes.
Preferably, the needle clamp comprises two clamping arms hinged to the clamp plate through a fixed shaft, and a magnet is mounted at one end, far away from the fixed shaft, of each clamping arm.
Preferably, the bottom surfaces of the two clamping arms are attached to the top surface of the clamp plate, and the clamp plate is provided with a V-shaped through groove located right below the clamping arms.
Has the advantages that: the utility model adopts the needle pulling seat to simulate the finger of the medical staff to press the transfusion port, so that the transfusion port can not pull the skin of the patient when the needle is pulled out, thereby relieving the pain of the patient; elastic contact pad can effectively avoid pulling out the slip of needle in-process, needle pulling error has been reduced, the improvement is pulled out needle stability and accuracy, and detachable installation makes elastic contact pad change more convenient, only need when pulling out the needle for different patients change new disinfection elastic contact pad can, infection between the patient has been avoided, sanitation and safety more, plug-type needle of pulling out, novel structure, because the operation is pulling out needle file inside going on, therefore medical personnel or patient can not pricked to the needle, safe and reliable more.
Drawings
FIG. 1 is a schematic perspective view of the needle extractor of the present invention;
FIG. 2 is a schematic view of the needle clip structure of the present invention;
FIG. 3 is a schematic top view of the clamp plate according to the present invention;
fig. 4 is a schematic side sectional structure view of the needle pulling seat of the present invention.
In the figure: 1-pulling the needle seat; 2-a ring plate; 3-a resilient contact pad; 4-a clamp plate; 5-needle clip; 6-pressing the block; 7-a friction pad; 8-vertical guide rod; 9-V-shaped through grooves; 10-a tab;
11-side port; 12-cylindrical caulking grooves;
31-flat bar; 32-round bars;
51-a fixed shaft; 52-a clamp arm; 53-Magnetitum.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill 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 features of the embodiments may be combined with each other without conflict.
The present invention will be further described with reference to the accompanying drawings and specific embodiments, but the present invention is not limited thereto.
As shown in figure 1, the utility model provides a novel push-pull type needle extractor for an infusion port, which comprises a needle extracting base 1;
the annular plate 2 is fixed at the bottom end of the needle pulling seat 1;
the elastic contact pad 3 is detachably arranged at the bottom end of the needle pulling seat 1;
the clamp plate 4 is positioned at the top of the annular plate 2, and the clamp plate 4 slides up and down in the needle pulling seat 1;
a needle clamp 5 is mounted on the clamp plate 4.
The utility model has the advantages that:
the needle pulling seat is adopted to replace the fingers of medical staff to press the infusion port, so that the infusion port can not pull the skin of a patient when the needle is pulled out, and the pain of the patient is relieved; elastic contact pad can effectively avoid pulling out the slip of needle in-process, needle pulling error has been reduced, the improvement is pulled out needle stability and accuracy, and detachable installation makes elastic contact pad change more convenient, only need when pulling out the needle for different patients change new disinfection elastic contact pad can, infection between the patient has been avoided, sanitation and safety more, plug-type needle of pulling out, novel structure, because the operation of pulling out the needle is gone on in the inside of pulling out the needle file, consequently medical personnel or patient can not be pricked to the needle, safe and reliable more.
As a preferred embodiment of the utility model, the depression section of the needle pulling seat 1 is in a semi-circular ring shape, a side opening 11 is arranged on the side surface of the needle pulling seat 1, the transverse length of the side opening 11 is 4-6cm, and the finger can conveniently stretch into the needle pulling seat. In addition, the needle pulling seat 1 can also be in a shape of Contraband in a plane cross section, the annular plate 2 can also be in a shape of Contraband in a plane cross section, and the clamp plate 4 is in a rectangular shape in the plane cross section, so that the needle pulling seat 1 can also perform needle pulling operation on the infusion port, and therefore, the needle pulling seat 1 can be designed into various shapes. The drawing of the utility model only lists the semi-cylindrical needle pulling seat 1, therefore, the following description is developed only for the semi-cylindrical needle pulling seat 1.
As a preferred embodiment of the utility model, pull out the outside installation of needle file 1 and exert briquetting 6, owing to need control hand cooperation when pulling out the needle, the fixed needle file of pulling out on the other hand pulls out the needle on the other hand, and the operation of pulling out the needle is upwards pulling anchor clamps board 4, and for avoiding the hand of pulling out the needle to receive the hindrance, the fixed hand of pulling out needle file 1 is fixed on the piece of exerting pressure 6 in the needle file 1 outside, can guarantee to pull out the needle and go on smoothly.
As a preferred embodiment of the utility model, the elastic contact pad 3 can be made of rubber, elastic plastic, silica gel, latex and other materials, and can be in soft contact with the skin of a patient, so that the skin of the patient does not generate foreign body sensation, and the patient can better pull out the needle for experience.
As shown in fig. 4, as a preferred embodiment of the present invention, the elastic contact pad 3 includes a flat bar 31 and a round bar 32, and the tracks of the flat bar 31 and the round bar 32 are both circular arcs, and the end surfaces thereof are respectively rectangular and circular. The area of the bottom surface of the round strip 32 is larger than the sum of the areas of the bottom surfaces of the needle pulling seat 1 and the annular plate 2, which is consistent with the shape of the bottom surface of the needle pulling seat 1, so that the needle pulling seat 1 can not contact with the skin of a patient. The annular plate 2 increases the force application area of the needle pulling seat 1 to the skin, thereby reducing the pressure per unit area on the skin of a patient and reducing the discomfort of the patient.
As a preferred embodiment of the present invention, the round bar 31 is fixed on the top surface of the flat bar 32, and the bottom surface of the needle pulling seat 1 is provided with a cylindrical caulking groove 12 allowing the round bar 32 to be inserted. The socket of the cylindrical caulking groove 12 is arranged at the bottom end, so that the round bar 32 can be conveniently pulled and pressed, and the width of the socket is smaller than the diameter of the round bar 32, so that the elastic contact pad 3 can be effectively fixed. When the elastic contact pad 3 is replaced, the round strip 32 is pulled out from the cylindrical caulking groove 12, and then the new arc-shaped round table 32 of the sterilized elastic contact pad 3 is pressed into the cylindrical caulking groove 12.
The bottom surface of the flat bar 31 is provided with a plurality of anti-skid convex points. The design of the anti-slip convex points can increase the friction force between the skin of a patient and the needle pulling seat 1, so that the needle can not slide when being pulled, and the needle pulling stability is further increased.
As shown in fig. 1 and 2, as a preferred embodiment of the present invention, a plurality of vertical guide rods 8 are fixed on the annular plate 2, a plurality of guide holes are provided on the clamp plate 4, the vertical guide rods 8 are inserted into the guide holes, the vertical guide rods 8 can play a role of guiding, so that the clamp plate 4 can not rotate when sliding up and down, and the smooth needle pulling is ensured. A pull ring 10 is mounted on the clamp plate 4 to facilitate manual lifting of the clamp plate 4.
As a preferred embodiment of the present invention, the needle clamp 5 includes two clamping arms 52 hinged to the clamp plate 4 through a fixing shaft 51, and a magnet 53 is installed at one end of the clamping arm 52 away from the fixing shaft. The two clamping arms 52 are combined into a V shape, the two clamping arms 52 rotate around the fixed shaft 51, and when the two clamping arms 52 are closed, the two magnets 53 attract the needle clamp 5 to clamp the undamaged needle.
As a preferred embodiment of the present invention, the bottom surfaces of the two clamping arms 52 are all attached to the top surface of the clamp plate 4, and the attaching of the clamping arms 52 to the clamp plate 4 is provided by the stopper on the top end of the fixing shaft 51. Because when pulling anchor clamps board 4, arm lock 52 can bear clamping force and pulling force, consequently transfer the vertical direction's that the pulling force received on anchor clamps board 4 can reduce anchor clamps power, improve anchor clamps life. The clamp plate 4 is provided with a V-shaped through groove 9 which is positioned right below the clamping arm 52, and the V-shaped through groove 9 and the openings of the two clamping arms 52 face the side opening 11, so that the clamping arms can be operated by hands more conveniently to open and close.
Preferably, as shown in fig. 3, the inner side surface of the needle extracting base 1 is adhered with a non-slip pad 7, and the non-slip pad 7 is contacted with the side surface of the clamp plate 4. The anti-slip pad 7 is made of silica gel or rubber or elastic plastic, so that the friction force between the needle pulling seat 1 and the clamp plate 4 can be effectively increased. Like this when pulling out the infusion port and patient's skin with the needle on one hand, the hand of pulling out the needle takes out and pulls out needle file 1, and anchor clamps board 4 is fixed on the inside top of pulling out needle file 1 under the frictional force effect of slipmat 7 to avoided anchor clamps board 4 to make the consequence of causing the injury to patient's skin because of gravity landing, guaranteed the security after pulling out the needle. In addition, in order to prevent the clamp plate 4 from being pulled out of the inner space of the needle seat 1 due to too strong force, the top end of the anti-slip pad 7 can be thicker than the downward placement of the anti-slip pad 7, so that the clamp plate 4 is more and more difficult to slide due to the fact that the friction force is larger and larger when the clamp plate 4 slides to the top end, and the clamp plate 4 is prevented from sliding out of the clamp plate.
In order to better understand the needle extractor of the utility model, the needle extracting operation steps are introduced as follows:
as shown in fig. 1 and 2, the clamp plate 4 is located at the inner bottom end of the needle extracting base 1, and the two clamp arms 52 are in a separated state. The needle pulling seat 1 is lightly pressed on the skin outside the transfusion port by one hand, the two clamping arms 52 are respectively positioned at the two sides of the non-damaged needle, then the other hand is used for penetrating from the side port 11 and manually attracting the magnets 53 of the two clamping arms 52, and the non-damaged needle is clamped by the magnet needle clamp 5. Then the hand pressing the needle pulling seat 1 is fixed, the other hand extends into the needle pulling seat 1 from the top end, the pull ring 10 is buckled by fingers and the clamp plate 4 is pulled to rise, the magnet needle clamp 5 clamps the undamaged needle to pull the undamaged needle out of the infusion port upwards, the needle pulling operation is completed, and then the needle pulling seat 1 is separated from the skin of a patient. The inner needle is taken out and the elastic contact pad 3 is replaced to prepare for pulling the needle of the next patient.
The above description is only an example of the preferred embodiment of the present invention, and not intended to limit the scope of the present invention, and those skilled in the art should be able to realize the equivalent alternatives and obvious variations of the present invention.
Claims (8)
1. A novel push-pull type needle extractor for transfusion harbors is characterized by comprising
A needle pulling seat;
the annular plate is fixed at the bottom end of the inner wall of the needle pulling seat;
the elastic contact pad is detachably arranged at the bottom ends of the needle pulling seat and the annular plate;
the clamp plate is positioned at the top of the annular plate, slides up and down in the needle pulling seat, and the top surface of the clamp plate is connected with a pull ring;
a pin clamp mounted on the clamp plate.
2. The novel push-pull transfusion port needle extractor as claimed in claim 1, wherein the needle extracting base has a semicircular cross section, and an opening is formed on the side surface of the needle extracting base.
3. The novel push-pull type needle extractor for the transfusion port as claimed in claim 1, wherein a pressing block is installed on the outer side of the needle extracting base, and a non-slip pad is attached to the inner side surface of the needle extracting base and contacts with the side surface of the clamp plate.
4. The novel push-pull transfusion port needle extractor as claimed in claim 1, wherein the elastic contact pad comprises a flat bar and a round bar with circular arc tracks, the cross-sectional shapes of the ends of the flat bar and the round bar are respectively rectangular and circular, the round bar is fixed on the top surface of the flat bar, and the bottom surface of the needle extracting base is provided with a cylindrical caulking groove allowing the round bar to be embedded.
5. The novel push-pull transfusion port needle extractor as claimed in claim 4, wherein the bottom surface of the arc-shaped flat bar is provided with a plurality of anti-skid convex points.
6. The novel push-pull harbor needle extractor as claimed in claim 1, wherein a plurality of vertical guide rods are fixed on the annular plate, a pull ring is installed on the clamp plate, a plurality of guide holes are formed on the clamp plate, and the vertical guide rods are inserted into the guide holes.
7. The novel push-pull transfusion port needle extractor as claimed in claim 1, wherein the needle clamp comprises two clamping arms hinged to the clamp plate through a fixed shaft, and a magnet is mounted at one end of each clamping arm away from the fixed shaft.
8. The novel needle extractor for a push-pull port as claimed in claim 7, wherein the bottom surfaces of the two clamping arms are attached to the top surface of the clamp plate, and the clamp plate is provided with a V-shaped through groove located right below the clamping arms.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921522382.9U CN210933146U (en) | 2019-09-12 | 2019-09-12 | Novel push-and-pull type needle puller for transfusion port |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921522382.9U CN210933146U (en) | 2019-09-12 | 2019-09-12 | Novel push-and-pull type needle puller for transfusion port |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210933146U true CN210933146U (en) | 2020-07-07 |
Family
ID=71394415
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921522382.9U Expired - Fee Related CN210933146U (en) | 2019-09-12 | 2019-09-12 | Novel push-and-pull type needle puller for transfusion port |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210933146U (en) |
-
2019
- 2019-09-12 CN CN201921522382.9U patent/CN210933146U/en not_active Expired - Fee Related
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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: 20200707 |