CN209237043U - Infusion Port Needle Puller - Google Patents

Abstract

Transfusion port pin extractor, belongs to technical field of medical auxiliary equipment.The transfusion port pin extractor includes pin remover and pedestal, the pin remover includes handle, plays needle tray and rotary axis groove, the handle top be it is arc-shaped, bottom is N shape, the handle is horizontal by acute angle, described needle tray is set to handle base, and described needle tray is ellipticity plate, and centre is equipped with v-depression, the rotary axis groove is set at the inflection point of handle base N shape bottom, and the rotary axis groove is cylindrical groove；The pedestal includes matrix and shaft, and the shaft is set in the middle part of matrix, and the shaft and rotary axis groove correspond, and pin remover and pedestal are connected by shaft and rotary axis groove.The not direct skin contact that transfusion port pedestal is embedded to patient of handle described in the utility model, compression area is capable of increasing when pressure dissipation is to matrix entirety to disperse pressure, the skin in compression for avoiding patient, have structure is simple, highly-safe, comfort is good, operation require low advantage.

Description

Infusion Port Needle Puller

technical field

The utility model belongs to the technical field of medical auxiliary equipment, in particular to a needle puller for an infusion port.

Background technique

Infusion port, the full name is totally implantable venous accessports (TIVAP), also known as chemotherapy pump. It is mainly composed of two parts: the injection seat for butterfly wing needle puncture and the catheter placed into the blood vessel. In 1982, the intravenous infusion port (TIVAP) was reported for the first time abroad, and it has been used clinically since then. In 1988, my country introduced TIVAP, and in 1998, TIVAP was reported for the first time in China. With the continuous development of TIVAP and its many advantages, many domestic hospitals gradually accept and apply this technology. The injection seat of the infusion port and the catheter part outside the vein are buried in the subcutaneous tissue, and it is an implantable, long-term indwelling central venous infusion device. Minor surgery is required for insertion. Pulling out the implanted infusion port after the end of fluid infusion is the last link in the use and maintenance of the intravenous infusion port. However, clinically, the butterfly wing non-injury needle of the infusion port is pulled out according to the traditional method, and there are many needle stick injuries, which greatly increases the infection rate of nurses. probability.

The Chinese utility model patent with application number 2015204095299 discloses a needle puller for an infusion port, which includes a V-shaped handle, two front extensions and two infusion port pressure plates, one end of the two front extensions is respectively connected to the V The two ends of the fork of the hand-held part are connected, the extension of the front section is set along the extension direction of the V-shaped hand-held part and is set at an obtuse angle with the hand-held part of the V-shape on the vertical plane, and the pressure plate of the infusion port is fixed on the other end of the extension of the front section . Because the needle puller of the infusion port is fixed, even if the hand holding the needle bounces back unconsciously due to inertia, the butterfly-wing non-damaging needle will not touch the hand fixing the base of the infusion port because it is far away from the finger, and will not cause needles at all. Stabbing occurs. But this kind of device requires the index finger and thumb of one hand to be placed on both sides of the front extension part, the other three fingers fix the V-shaped handle part, press the front end with the wrist force to fix the base of the infusion port, and the other hand holds the butterfly wing The two wings of the non-injury needle are folded and pulled out vertically quickly, requiring two hands to operate at the same time, and improper operation will cause greater damage.

Utility model content

Technical problem to be solved: Aiming at the above technical problems, the utility model provides a needle puller for infusion ports, which has the advantages of simple structure, high safety, good comfort, low operation requirements, and can be operated with one hand.

Technical solution: a needle puller for an infusion port. The needle puller for an infusion port includes a needle lifter and a base. The needle lifter includes a handle, a needle lifter groove and a shaft groove. Shape, the handle is at an acute angle with the horizontal plane, the needle opening groove is set at the bottom of the handle, the needle opening groove is an oval plate with a V-shaped groove in the middle, and the shaft groove is set at the inflection point of the N-shaped bottom of the handle bottom The shaft groove is a cylindrical groove; the base includes a base body and a shaft, the shaft is arranged in the middle of the base body, the shaft corresponds to the shaft slot one by one, and the needle lifter and the base are rotationally connected through the shaft and the shaft slot.

Preferably, the base body is a U-shaped base, the rotating shaft is arranged in the middle of the U-shaped base, and the needle opening groove is close to the U-shaped opening of the U-shaped base.

Preferably, the substrate is an extended base, and the extended base includes a backing layer, a gel layer, and a release layer, and the backing layer includes a bendable steel wire, a U-shaped PVC ring, and a non-woven fabric. The U-shaped PVC ring is set on one side of the non-woven fabric, the bendable steel wire is set on the edge of the non-woven fabric, the gel layer is set on the bottom of the backing layer, and the anti-adhesive layer is set on the bottom of the gel layer, The rotating shaft is arranged in the middle of the U-shaped PVC ring, and the needle slot is close to the U-shaped opening of the U-shaped PVC ring.

Preferably, silicone protective sleeves are provided on both sides of the V-shaped groove of the needle opening groove.

Preferably, the handle is integrally connected with the needle opening slot.

Preferably, the base further includes a C-shaped slot, and the C-shaped slot is provided at the bottom of the rotating shaft.

Preferably, an anti-slip layer is provided on the middle and upper surface of the handle.

Preferably, the bottom of the U-shaped base is provided with a silicone layer.

Beneficial effects: 1. The needle lifter and the base described in the utility model are flexibly connected through the rotating shaft and the rotating shaft groove. The handle in the needle lifter does not directly contact the skin of the patient embedded in the base of the infusion port. When the pressure is dispersed to the whole matrix, it can Increase the pressure area to disperse the pressure, and finally achieve the purpose of fixing the base of the infusion port while avoiding the pressure on the patient's skin;

2. The bottom of the handle is N-shaped, and the needle opening groove is connected with the N-shaped bottom of the handle. There is a rotating shaft groove at the inflection point of the bottom of the N-shaped bottom of the handle, and the rotating shaft groove is connected with the rotating shaft. The needle opening groove generates an upward pulling force, which can pull out the needle without damage to the butterfly wing, which can prevent the patient's skin from being damaged during the needle pulling process, and at the same time avoid rebounding after pulling out the needle and causing hand injury to the medical staff who pull out the needle;

3. There are silicone protective sleeves on both sides of the V-shaped groove in the needle opening groove, which can effectively prevent the needle opening groove from slipping;

4. The base also includes a C-shaped groove. The setting of the C-shaped groove can prevent the handle from directly contacting with human skin, and directly squeeze the skin of the patient embedded in the base of the infusion port;

5. The upper surface of the handle is provided with an anti-skid layer, which can prevent the operator's hand from sliding and causing unnecessary damage;

6. The bottom of the U-shaped base is provided with a silica gel layer. The setting of the silica gel layer can increase the friction between the matrix and the patient's skin, and at the same time slow down the extrusion force caused by the matrix to the patient's skin embedded in the base of the infusion port.

7. The extension base includes a backing layer, a gel layer and an anti-sticking layer, the backing layer includes a bendable steel wire, a U-shaped PVC ring and a non-woven fabric, and the U-shaped PVC ring is set on the non-woven On the cloth side, the bendable steel wire is arranged on the edge of the non-woven fabric, the gel layer is arranged at the bottom of the backing layer, the anti-adhesive layer is arranged at the bottom of the gel layer, and the bendable steel wire is combined with the gel layer , which can make the base of the needle puller deformable and better fit the patient's skin.

Description of drawings

Fig. 1 is a schematic structural diagram of the needle puller for the infusion port described in Embodiment 1 of the present utility model.

Fig. 2 is a structural schematic diagram of the handle of the present invention.

Fig. 3 is a schematic diagram of the base structure when the base body described in Embodiment 1 of the present invention is a U-shaped base.

Fig. 4 is a schematic structural diagram of the needle puller for the infusion port according to Embodiment 3 of the present utility model.

Fig. 5 is a schematic diagram of the base structure when the base body described in Embodiment 3 of the present invention is an extended base.

The numbers in the figure represent the following: 1. handle; 2. U-shaped base; 3. shaft; 4. protective sleeve; 5. needle slot; 6. shaft slot; .

Detailed ways

Below in conjunction with accompanying drawing and specific embodiment the utility model is described further.

Example 1

Referring to Figure 1, Figure 2 and Figure 3, the needle puller for the infusion port includes a needle lifter and a base, the needle lifter includes a handle 1, a needle lifter groove 5 and a shaft groove 6, the The top of the handle 1 is arc-shaped and the bottom is N-shaped. The handle 1 is at an acute angle with the horizontal plane. The groove, the shaft groove 6 is arranged at the inflection point of the N-shaped bottom of the handle 1, and the shaft groove 6 is a cylindrical groove. The base includes a base and a rotating shaft 3, the base is a U-shaped base 2, the rotating shaft 3 is arranged in the middle of the U-shaped base 2, the rotating shaft 3 corresponds to the rotating shaft groove 6, and the needle lifter and the base pass through The rotating shaft 3 is rotatably connected to the rotating shaft groove 6, and the needle raising groove 5 is close to the U-shaped opening of the U-shaped base 2. Silicone protective covers 4 are provided on both sides of the V-shaped groove in the needle opening groove 5. The setting of the silicone protective cover 4 can effectively prevent the needle opening groove 5 from slipping, and at the same time increase the patient's comfort. The handle 1 is integrally connected with the needle opening slot 5 .

When in use, insert the V-shaped groove in the needle opening groove 5 into both sides of the butterfly-wing non-damaging needle, make the pointed part of the V-shaped groove catch the butterfly-wing non-damaging needle, and then adjust the position of the base so that the U-shaped base 2 The U-shaped opening is arranged on the upper part of the base of the infusion port, and then the user turns the handle 1 to take out the needle without damaging the butterfly wings. The handle 1 exerts pressure on the U-shaped base 2 while rotating to generate downward pressure. Since the handle 1 does not directly contact the skin of the patient embedded in the base of the infusion port, the pressure can be increased when the pressure is distributed to the U-shaped base 2 as a whole. The large pressure area disperses the pressure, and finally achieves the purpose of fixing the base of the infusion port while avoiding the pressure on the patient's skin. The needle opening groove 5 connected to the N-shaped bottom of the handle 1 pulls out the butterfly wing without damaging the needle, which can prevent While the patient's skin is damaged during the needle withdrawal process, it is also possible to avoid rebounding after the needle is withdrawn and causing hand injuries to the medical staff who pull out the needle.

Example 2

Same as embodiment 1, the difference is that the base also includes a C-shaped groove 7, the C-shaped groove 7 is set in the middle of the U-shaped base 2 and the bottom of the rotating shaft 3, and the setting of the C-shaped groove 7 can prevent the handle 1 from contacting the skin of the human body. direct contact. And the upper surface of the handle 1 is provided with an anti-slip layer, which can prevent the hand of the operator from sliding and causing unnecessary damage. The bottom of the U-shaped base 2 is provided with a silicone layer. The setting of the silica gel layer can increase the friction force between the U-shaped base 2 and the patient's skin, and at the same time slow down the pressing force caused by the U-shaped base 2 on the patient's skin embedded in the base of the infusion port.

When in use, insert the V-shaped groove in the needle opening groove 5 into both sides of the butterfly-wing non-damaging needle, make the pointed part of the V-shaped groove catch the butterfly-wing non-damaging needle, and then adjust the position of the base so that the U-shaped base 2 The U-shaped opening is arranged on the upper part of the base of the infusion port, and then the user turns the handle 1 to take out the needle without damaging the butterfly wings. The handle 1 exerts pressure on the U-shaped base 2 while rotating to generate downward pressure. Since the handle 1 does not directly contact the skin of the patient embedded in the base of the infusion port, the pressure can be increased when the pressure is distributed to the U-shaped base 2 as a whole. The large pressure area disperses the pressure, and finally achieves the purpose of fixing the base of the infusion port while avoiding the pressure on the patient's skin. The needle opening groove 5 connected to the N-shaped bottom of the handle 1 pulls out the butterfly wing without damaging the needle, which can prevent While the patient's skin is damaged during the needle withdrawal process, it is also possible to avoid rebounding after the needle is withdrawn and causing hand injuries to the medical staff who pull out the needle.

Example 3

Referring to Figure 4 and Figure 5, the infusion port needle puller includes a needle lifter and a base, the needle lifter includes a handle 1, a needle lifter groove 5 and a shaft groove 6, the top of the handle 1 is arc-shaped, and the bottom is It is N-shaped, the handle 1 forms an acute angle with the horizontal plane, the needle opening groove 5 is arranged at the bottom of the handle 1, the needle opening groove 5 is an oval plate, and a V-shaped groove is arranged in the middle, and the shaft groove 6 is provided At the inflection point of the N-shaped bottom of the handle 1, the shaft groove 6 is a cylindrical groove. The base includes a base body, a rotating shaft 3 and a C-shaped groove. The base body is an extension base 8, and the extension base 8 includes a backing layer, a gel layer and a release layer, and the backing layer includes a bendable Steel wire, U-shaped PVC ring and non-woven fabric, the U-shaped PVC ring is set on one side of the non-woven fabric, the bendable steel wire is set on the edge of the non-woven fabric, the gel layer is set on the bottom of the backing layer, The anti-adhesive layer is arranged at the bottom of the gel layer, the rotating shaft 3 is arranged at the middle part of the U-shaped PVC ring, the rotating shaft 3 and the rotating shaft groove 6 are rotatably connected, and the needle groove 5 is close to the U-shaped opening of the U-shaped PVC ring. The C-shaped slot 7 is located at the bottom of the rotating shaft 3 . Silicone protective covers 4 are provided on both sides of the V-shaped groove in the needle opening groove 5. The setting of the silicone protective cover 4 can effectively prevent the needle opening groove 5 from slipping, and at the same time increase the comfort of the patient. The handle 1 is integrally connected with the needle opening slot 5 .

When in use, adjust the position of the base so that the U-shaped opening of the U-shaped PVC ring is set on the upper part of the base of the infusion port, remove the anti-adhesive layer, make the extension base 8 fit the patient's skin, and then place the V-shaped opening in the needle opening groove 5 The groove is inserted into both sides of the butterfly wing non-injury needle, so that the pointed part of the V-shaped groove catches the butterfly wing non-injury needle, and then the user turns the handle 1 to take out the butterfly wing non-injury needle. The handle 1 exerts pressure on the extension base 8 while rotating to generate downward pressure. Since the handle 1 does not directly contact the skin of the patient embedded in the base of the infusion port, when the pressure is distributed to the entire extension base 8, the affected area can be increased. The pressure area is used to disperse the pressure, and finally achieve the purpose of fixing the base of the infusion port while avoiding the pressure on the patient's skin. The needle opening groove 5 connected to the N-shaped bottom of the handle 1 can pull out the needle without damaging the butterfly wing, which can prevent the needle from being pulled out While damaging the patient's skin during the process, avoid rebounding after pulling out the needle and causing hand injury to the medical staff who pull out the needle.

The above content described in this specification is only an illustration of the utility model. Those skilled in the technical field to which the utility model belongs can make various modifications or supplements to the described specific embodiments or adopt similar methods to replace them, as long as they do not deviate from the content of the specification of the utility model or go beyond the definition of the claims All should belong to the protection scope of the present utility model.

Claims (8)

1. transfusion port pin extractor, which is characterized in that the transfusion port pin extractor includes pin remover and pedestal, and the pin remover includes Handle (1) plays needle tray (5) and rotary axis groove (6), be arc-shaped, bottom at the top of the handle (1) is N shape, the handle (1) and Horizontal plane is at an acute angle, and described needle tray (5) is set to handle (1) bottom, and described needle tray (5) is ellipticity plate, and centre is equipped with V-arrangement Groove, the rotary axis groove (6) are set at the inflection point of handle (1) bottom N shape bottom, and the rotary axis groove (6) is cylindrical groove；The bottom Seat includes matrix and shaft (3), and the shaft (3) is set in the middle part of matrix, and the shaft (3) and rotary axis groove (6) correspond, and is risen Needle device and pedestal are rotatablely connected by shaft (3) and rotary axis groove (6).

2. transfusion port pin extractor according to claim 1, which is characterized in that described matrix be U-shaped pedestal (2), described turn Axis (3) is set in the middle part of U-shaped pedestal (2), plays needle tray (5) at U-shaped pedestal (2) U-shaped opening.

3. transfusion port pin extractor according to claim 1, which is characterized in that described matrix is extension pedestal (8), described to prolong Exhibition pedestal (8) includes back sheet, gel layer and adherent layer, and the back sheet includes bent steel wire, U-shaped PVC ring and non-woven fabrics, The U-shaped PVC is located on non-woven fabrics side, and the bent steel wire is set to non-woven fabrics edge, and the gel layer is set to back sheet Bottom, the adherent layer are set to gel layer bottom, and the shaft (3) is set in the middle part of U-shaped PVC ring, play needle tray (5) close to U-shaped PVC At ring U-shaped opening.

4. transfusion port pin extractor according to claim 1, which is characterized in that the two sides of described needle tray (5) v-depression are set There are Silicone Case (4).

5. transfusion port pin extractor according to claim 1, which is characterized in that the handle (1) and needle tray (5) integrally connect It connects.

6. transfusion port pin extractor according to claim 2 or 3, which is characterized in that the pedestal further includes C-channel (7), institute State the bottom that C-channel (7) are set to shaft (3).

7. transfusion port pin extractor according to claim 1, which is characterized in that handle (1) the middle and upper part surface is equipped with anti- Slip layer.

8. transfusion port pin extractor according to claim 2, which is characterized in that U-shaped pedestal (2) bottom is equipped with silica gel Layer.