CN218187450U - Needle extractor special for venous port - Google Patents
Needle extractor special for venous port Download PDFInfo
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- CN218187450U CN218187450U CN202221096867.8U CN202221096867U CN218187450U CN 218187450 U CN218187450 U CN 218187450U CN 202221096867 U CN202221096867 U CN 202221096867U CN 218187450 U CN218187450 U CN 218187450U
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- needle
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- notch
- venous
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Abstract
The utility model relates to the field of medical equipment, specifically disclose special needle extractor of vein port, including base, supporter and clamping tools, the base is used for pressing on the injection seat of vein port apart from skin, sets up the breach that supplies the butterfly wing needle syringe needle lateral part card of vein port to go into on it, and the supporter sets firmly on the base to at least part covers directly over the breach, and clamping tools is used for the both wings of centre gripping butterfly wing needle, and has vertical guide structure of mutually supporting between the supporter. Through the utility model discloses carry out the operation of pulling out the needle of vein port, when pulling out the needle, press the base in the injection with patient's skin, medical personnel press the base through the supporter to make the base press the injection seat, therefore when pulling out the needle operation, medical personnel's hand is kept away from the injection seat and is to the injection seat application of force, and when the butterfly wing needle was extracted the back because inertia kick-backs, medical personnel's finger also can not pricked to the syringe needle.
Description
Technical Field
The utility model belongs to the technical field of medical instrument, concretely relates to needle extractor special for venous port.
Background
The venous transfusion port is a blood vessel access device which is completely implanted into a patient body, can provide safe and reliable venous access for the patient who needs long-term and repeated transfusion treatment, and reduces the pain and the risk of repeated venipuncture of the patient, and is called as a transfusion port because the venous transfusion port has similar functions with a port which is frequently mentioned and is a port for venous treatment. By the aid of the device, various medicines and liquids can be infused, parenteral nutrition support treatment can be performed, and blood products can be infused or blood samples can be collected.
The venous transfusion port can be divided into two parts: the external use part is mainly a butterfly wing needle.
When the needle is pulled out from the venous port, medical staff usually operates by bare hands, the left hand of the medical staff fixes the injection seat, and the right hand lifts two wings of the butterfly wing needle to pull out the butterfly wing needle. But because the resistance is big when pulling out the needle, the nurse need use great strength when pulling out the needle, consequently can be because of the inertial action of atress in clinical operation, operating personnel hand easily squints by a wide margin or syringe needle kick-backs and then pricks medical personnel and presses the finger of injection seat.
SUMMERY OF THE UTILITY MODEL
To the not enough of above-mentioned prior art, the utility model aims to solve the technical problem that: how to provide a special needle ware of pulling out of vein port to solve among the prior art when pulling out the needle bare-handed because the needle inertia kick-backs and leads to the needle head to stab the problem that medical personnel's finger easily.
In order to solve the technical problem, the utility model discloses a following technical scheme:
the special needle extractor of vein harbor includes:
the base is used for pressing the injection seat of the venous port through the skin, and a notch for clamping the side part of the butterfly wing needle head of the venous port is formed in the base;
the supporting body is fixedly arranged on the base and at least partially covers the position right above the notch;
the clamping tool is used for clamping the double wings of the butterfly wing needle, and vertical guide structures matched with each other are arranged between the supporting bodies.
Furthermore, the base is circular, and the breach is located the base outer fringe, the supporter is the arc, its lower extreme with base fixed connection, the upper end extends to directly over the breach.
Further, the supporting body and the base are integrally formed, the clamping tool is medical forceps, and a notch for the medical forceps to slide up and down is formed in the upper end of the supporting body.
Further, the outer end of the notch is open.
Further, the centre gripping instrument includes that vertical sliding connection is in grip slipper on the supporter, rotation are connected actuating arm and horizontal sliding connection on the grip slipper are in two clamping jaws of grip slipper bottom, the actuating arm is located between two clamping jaws, and articulates respectively between the both ends of two clamping jaws and actuating arm has the connecting rod.
Further, vertical guide structure is including being fixed in the guide post at sliding seat both ends and being fixed in two guide sleeve on the supporter, and two guide post vertical sliding connection respectively are in two guide sleeve.
Furthermore, a holding rod is fixed on the eccentric position of the driving arm.
Furthermore, the clamping surfaces of the two clamping jaws are provided with anti-skidding structures.
Further, the base is of a semicircular plate-shaped structure, and the notch is formed in the straight line side of the semicircular plate-shaped structure.
Further, the base is of a circular plate structure.
The beneficial effects of the utility model reside in that:
1. through the utility model discloses carry out the operation of pulling out the needle of vein port, when pulling out the needle, press the base in the injection with patient's skin, medical personnel press the base through the supporter to make the base press the injection seat, therefore when pulling out the needle operation, medical personnel's hand is kept away from the injection seat and is to the injection seat application of force, and when the butterfly wing needle was extracted the back because inertia kick-backs, medical personnel's finger also can not pricked to the syringe needle.
2. The needle is pulled out through the clamping tool, the clamping tool moves vertically along the supporting body under the action of the vertical guide structure, and the force application is more stable.
Drawings
Fig. 1 is a schematic structural diagram of a first embodiment of the present invention.
Fig. 2 is a schematic structural diagram of a second embodiment of the present invention.
Fig. 3 is an enlarged view of the clamping tool of fig. 2.
Fig. 4 is a schematic structural diagram of a third embodiment of the present invention.
Wherein the reference numerals include:
the medical forceps comprise a base 1, a notch 100, a vertical rod 2, a cross rod 3, a longitudinal rod 4, a guide sleeve 40, a guide connecting rod 5, a guide column 50, a clamping tool 6, a clamping seat 61, a driving arm 62, a central shaft 620, a clamping jaw 63, a connecting rod 64, a holding rod 65, a supporting body 7, a notch 70 and medical forceps 8.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
Example one
In the specific implementation: as shown in fig. 1, the needle extractor for venous ports comprises a base 1, a support body 7 and a clamping tool.
The base 1 is a circular plate structure and is used for pressing on an injection seat of the venous port through skin, a notch 100 for clamping the side part of a butterfly wing needle head of the venous port is arranged on the base, and the notch 100 is positioned at the outer edge of the base 1.
The supporter 7 is arc-shaped, the lower end of the supporter is fixedly connected with the base 1, the upper end of the supporter extends to the position right above the notch 100, the arc-shaped structure of the supporter 7 is easier to grasp, and the supporter can press downwards to apply force, and has smooth appearance and no edges and corners. The clamping tool is used for clamping the two wings of the butterfly wing needle, when the clamping tool is used, the supporting body 7 and the base 1 are integrally formed, the clamping tool is the medical clamp 8, the implementation cost is relatively low, only the base 1 with the supporting body 7 is needed, and the medical clamp 8 is easy to obtain.
Have the vertical guide structure of mutually supporting between medical pincers 8 and the supporter 7, vertical guide structure is including setting up notch 70 in the supporter 7 upper end, and notch 70 is used for supplying medical pincers 8 to slide from top to bottom, and notch 70 outer end is uncovered, and medical pincers 8 can be directly passed through the business turn over of notch 70 outer end, need not be higher than completely and can take away after notch 70, operates more humanized.
Use when pulling out the needle ware and carrying out the operation of pulling out the needle in the port of infusing, medical personnel will move the whole needle ware of pulling out to the injection seat department of vein port earlier, mention the both wings of butterfly wing needle, expose the syringe needle of butterfly wing needle, then go into the breach 100 of base 1 from the syringe needle lateral part card of butterfly wing needle, make base 1 support on the injection seat separating patient's skin simultaneously. At this moment, medical personnel press the supporter 7 in one hand, and medical pincers 8 are held to the other hand, and medical pincers 8 press from both sides the both sides of butterfly wing needle, and then medical pincers 8 are followed notch 70 and are upwards carried and draw, and notch 70 provides vertical guide effect for medical pincers 8 carry and draw to extract butterfly wing needle, the back is extracted to butterfly wing needle, and medical pincers 8 press from both sides butterfly wing needle and take out from the outer end of notch 70, thereby accomplish and extract the needle operation.
Through the utility model discloses carry out the operation of pulling out the needle of vein port, compress tightly the injection seat through base 1 on the one hand, medical personnel's hand is pressed on supporter 7, bare-handed pressing injection seat when can avoiding pulling out the needle, medical personnel's finger is pricked to butterfly wing needle's syringe needle because inertia resilience, on the other hand pulls out the needle through medical pincers 8 and notch 70's cooperation, can play the guide effect to lifting upwards when pulling out the needle, of course, about the direction of change for playing, during concrete implementation, notch 70's width suits with medical pincers 8's thickness, rock the scope about restricting it, medical pincers 8 can be near the inner of notch 70 simultaneously, in order to guarantee its vertical motion.
Example two
The difference between the present embodiment and the first embodiment is: the shape of the base 1, the shape of the support body and the structure of the clamping tool in the embodiment are different from those in the first embodiment, specifically:
as shown in fig. 2 and 3, the base 1 of the present embodiment has a semicircular plate-shaped structure, and the notch 100 is disposed at a straight edge of the base 1. The supporter includes montant 2, horizontal pole 3 and vertical pole 4, and the upper surface of base 1 is fixed in to the bottom of montant 2, and the one end of horizontal pole 3 is fixed in the top of montant 2, and the middle part of vertical pole 4 is fixed in the other end of horizontal pole 3, and horizontal pole 3 is perpendicular with vertical pole 4.
The clamping tool 6 is used for clamping the butterfly-wing needle and is arranged opposite to the notch 100 on the base 1. Referring to fig. 2, the clamping tool 6 includes a clamping base 61, a driving arm 62, and two clamping jaws 63 connected to the bottom of the clamping base 61 in a sliding manner, wherein the middle of the driving arm 62 is rotatably connected to the clamping base 61 through a central shaft 620, so that the driving arm 62 can swing around the central shaft 620. The driving arm 62 is located between the two clamping jaws 63, and a connecting rod 64 is hinged between the top of the two clamping jaws 63 and the two ends of the driving arm 62, when the driving arm 62 rotates, the driving arm 62 drives the two clamping jaws 63 to slide along the bottom of the clamping base 61 through the two connecting rods 64, so that the two clamping jaws 63 approach to or separate from each other. In order to enhance the clamping effect of the two clamping jaws 63, anti-slip structures are arranged on the clamping surfaces of the two clamping jaws 63, and the anti-slip structures can be anti-slip lines, anti-slip bulges and the like. In order to facilitate the rotation of the driving arm 62, a holding rod 65 is fixed to the driving arm 62 at an eccentric position thereof, and when it is necessary to rotate the driving arm 62, the rotation of the driving arm 62 can be realized by pressing a finger against the holding rod 65.
Grip slipper 61 sets up on the supporter with vertical slidable's mode, and its concrete mode of connecting is: grip slipper 61 top is fixed with a direction connecting rod 5 parallel with vertical pole 4, direction connecting rod 5 is located vertical pole 4 below, the both ends top of direction connecting rod 5 is fixed with vertical guide post 50 respectively, it is provided with guide sleeve 40 respectively to correspond two guide posts 50 on the vertical pole 4, two guide post 50 are sliding connection respectively in guide sleeve 40, and in order to realize the stable connection of guide post 50 in guide sleeve 40, all be provided with the spring fixed with guide post 50 in guide sleeve 40.
When using the needle puller to carry out the operation of pulling out the needle in the port of infusing, medical personnel will make whole needle puller move to the injection seat department of vein port earlier, mention the both wings of butterfly wing needle, expose the syringe needle of butterfly wing needle, then go into the breach 100 of base 1 from the syringe needle lateral part card of butterfly wing needle, make base 1 support on the injection seat separating patient's skin simultaneously. Medical personnel will lead connecting rod 5 and push down, until two clamping jaws 63 are located the both sides of butterfly wing needle's both sides, then medical personnel support again and hold pole 65 hard for actuating arm 62 is rotatory, and two clamping jaws 63 are close to each other, until two clamping jaws 63 press from both sides the both sides of butterfly wing needle. At this moment, the medical staff presses the cross rod 3 downwards, so that the base 1 is pressed on the injection seat, and simultaneously the clamping state of the clamping jaw 63 is kept to lift the guide connecting rod 5 upwards, so that the clamping jaw 63 clamps two wings of the butterfly wing needle, and the butterfly wing needle is gradually pulled out.
Through the utility model discloses carry out the operation of pulling out the needle of vein port, compress tightly the injection seat through base 1 on the one hand, bare-handed pressing injection seat when avoiding pulling out the needle, medical personnel's finger is pricked to the syringe needle of butterfly wing needle because inertia resilience, and on the other hand pulls out the needle through clamping tools 6, and the application of force is more stable.
EXAMPLE III
The difference between this embodiment and the second embodiment is: as shown in fig. 4, the base 1 in this embodiment is a circular plate structure, which can better press the injection seat.
The above are only preferred embodiments of the present invention, and it should be noted that, for those skilled in the art, various changes and modifications can be made without departing from the technical scope of the present invention, and the technical scope of the present invention should be considered to fall within the scope of the claims.
Claims (10)
1. The special needle extractor of vein harbor, its characterized in that includes:
a base which is used for pressing on the injection seat of the venous port through the skin and is provided with a butterfly wing needle head side part for being clamped in
A notch;
the supporting body is fixedly arranged on the base and at least partially covers right above the notch;
and the clamping tool is used for clamping the double wings of the butterfly wing needle, and vertical guide structures which are matched with each other are arranged between the supporting body and the clamping tool.
2. The needle extractor for venous ports of claim 1, wherein the base is circular and the notch is located on the base
The outer fringe, the supporter is the arc, its lower extreme with base fixed connection, the upper end extends to directly over the breach.
3. The needle extractor of claim 2, wherein the support body is integrally formed with the base, so that the needle extractor is used for intravenous port
The clamping tool is medical forceps, and the upper end of the support body is provided with a notch for the medical forceps to slide up and down.
4. The needle extractor for venous ports of claim 3, wherein the outer end of the notch is open.
5. The needle puller special for venous harbor according to claim 1, wherein the clamping means comprises a vertical sliding connection
A clamping seat on the supporting body, a driving arm rotationally connected to the clamping seat and a transverse sliding connection to the clamping seat
Two clamping jaws at the bottom of the seat, a driving arm is positioned between the two clamping jaws, and the two clamping jaws and the two ends of the driving arm are respectively hinged with each other
A connecting rod.
6. The needle puller special for venous harbor according to claim 1, wherein the vertical guiding structure comprises a fixed slide
The guide posts at the two ends of the movable seat and the two guide sleeves fixed on the support body are respectively and vertically connected with the two guide posts in a sliding manner
Inside each guide sleeve.
7. The needle extractor as claimed in claim 5, wherein the driving arm is fixed at the eccentric position thereof
A holding rod.
8. The needle extractor for venous ports of claim 5, wherein the clamping surfaces of the two clamping jaws are provided with a clamping surface
And (4) an anti-skid structure.
9. The needle extractor as claimed in claim 5, wherein the base is a semicircular plate-shaped structure
The notch is arranged on the straight line side of the semicircular plate-shaped structure.
10. The needle extractor for venous ports of claim 5, wherein the base is a circular plate structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221096867.8U CN218187450U (en) | 2022-05-06 | 2022-05-06 | Needle extractor special for venous port |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221096867.8U CN218187450U (en) | 2022-05-06 | 2022-05-06 | Needle extractor special for venous port |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218187450U true CN218187450U (en) | 2023-01-03 |
Family
ID=84646422
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221096867.8U Active CN218187450U (en) | 2022-05-06 | 2022-05-06 | Needle extractor special for venous port |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218187450U (en) |
-
2022
- 2022-05-06 CN CN202221096867.8U patent/CN218187450U/en active Active
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