Medical needle-pulling patch assembly
Technical Field
The invention relates to the technical field of medical injection equipment, in particular to a medical needle-pulling patch assembly.
Background
During the medical rescue, a hanging drop is usually involved, and a common drop injection head, see fig. 1, is structured to include a needle a, on which a holding piece b is provided, and an injection tube c is butted to the end of the needle a.
When hanging the bit and ending soon, patient can call medical personnel to pull out the needle usually, if medical personnel can't catch up to patient's position within the short time, partial patient oneself can select the one hand to pull out the syringe needle, also must can pass through following process: the needle head is pulled out from the hand of the patient, blood flows out from the space between the adhesive bandage and the needle insertion opening, the patient puts down the needle head and presses the adhesive bandage with the hand, and a great amount of blood necessarily flows out in the process.
After extracting the syringe needle, patient can generally press the needle pricking mouth through another hand of not hanging the bit, if prick struggle the mouth and receive the kneading at this in-process, just can prick near the needle mouth and will appear red and swollen, patient's whole medical experience is relatively poor.
Disclosure of Invention
In view of this, the invention aims to provide a medical needle-pulling patch assembly which can effectively assist a patient to complete needle pulling and adhesive bandage sticking with one hand, and greatly improve the overall medical experience of the patient.
In order to solve the technical problems, the technical scheme of the invention is as follows:
a medical needle-pulling patch assembly comprises a support, wherein a binding belt is arranged on the support, and the support can be bound and fixed on the arm of a patient through the binding belt;
the bracket is provided with a winding roller and a driving source for driving the winding roller to rotate, and an injection tube of the drip injection head is wound on the winding roller;
the adhesive bandage further comprises an adhesive bandage part, the adhesive bandage part comprises an adhesive bandage frame, a trigger channel and a sliding groove are arranged on the adhesive bandage frame, the trigger channel transversely penetrates through the adhesive bandage frame and is used for a drip injection head to penetrate through, a sliding block and a sliding spring are arranged in the sliding groove, the sliding spring is used for driving the sliding block to slide towards the outside of the adhesive bandage frame, an accommodating groove is arranged on the side wall of the sliding block close to the trigger channel, an adhesive bandage block and an adhesive bandage spring are arranged in the accommodating groove, the adhesive bandage can be attached to the outer surface, deviating from the bottom of the accommodating groove, of the adhesive bandage block, and the adhesive bandage spring is used for;
a trigger part is arranged in the patch frame and comprises a trigger end and a limiting end, a limiting groove is formed in the side wall of the sliding block, and the limiting end is inserted into the limiting groove to limit the sliding motion of the sliding block;
when the drip injection head is wound by the winding roller, the clamping piece of the drip injection head can pull the contact transmitting end and enables the limiting end to be separated from the limiting groove, the sliding block slides out of the sliding groove, and the patch block in the sliding block pushes the adhesive bandage to move to the needle eye position of the back of the hand of a patient.
According to the technical scheme, in the process of hanging the drip infusion, the support is bound on the arm of the patient through the binding belt, the patch part faces one side of the back of the hand of the patient, the sliding block is limited by the trigger part, overcomes the elastic action of the sliding spring and is positioned in the sliding groove, at the moment, the wound plaster is also positioned in the accommodating groove, the injection tube in the drip injection head is wound on the winding roller, and the drip injection head penetrates through the trigger channel;
when the drip injection head needs to be pulled out, the driving source is started, the driving source drives the winding roller to rotate, the winding roller can wind the injection tube, the whole drip injection head can be pulled, the needle head on the drip injection head can be pulled out of the back of the hand of a patient, the drip injection head can pass through the trigger channel, the clamping sheet on the drip injection head can be abutted against the trigger end of the trigger part, the limit end of the trigger part is separated from the limit groove, the sliding spring pushes the sliding block to move towards the notch direction of the sliding groove, after the accommodating groove of the sliding block is moved out of the sliding groove, the elastic force of the patch spring is applied to the patch block, the patch block can push the wound patch to the needle hole on the back of the hand, and the patient only needs to sit still for a few minutes to untie the binding band;
in the above-mentioned use, the patient only needs to start the driving source and can accomplish and pull out needle, paster action, later quiet sitting for a few minutes, demolish the tie can, whole process operation is extremely simple to through the elastic force effect of paster spring, the paster piece can be steadily obeyed the band-aid in the eye of the needle position of patient's back of the hand, has reduced near the needle mouth that pricks by a wide margin and will have the problem of red swelling, patient's whole medical experience preferred.
Preferably, trigger portion includes trigger bar, trigger spring, trigger bar middle part swivelling joint is at the paster frame, trigger end, spacing end are located the both ends of trigger bar respectively, the trigger end extends to in triggering the passageway, the spacing groove extends to the inslot that slides, trigger spring one end is connected in the paster frame, the trigger spring other end is connected between rotation tie point and the trigger end on the trigger bar.
Through the technical scheme, when the intravenous drip is hung normally, the pulling force of the trigger spring is applied to the trigger rod, so that the limiting end of the trigger rod is inserted into the limiting groove and limits the sliding block to move, and the sliding spring is pressed;
when the needle head needs to be pulled out and the adhesive bandage needs to be attached, a clamping sheet on the drip injection head can be abutted against the trigger end of the trigger rod, the trigger rod overcomes the tensile force action of the trigger spring, the whole trigger rod can rotate around the rotating connecting point, the limiting end of the trigger rod can be pulled out of the limiting groove, and the sliding spring can drive the sliding block to slide;
the trigger action has high sensitivity and high trigger efficiency.
Preferably, the number of the patch blocks is two or more, the number of the patch springs corresponds to the number of the patch blocks one by one, and two ends of each patch spring are connected to the wall of the containing groove and the corresponding patch block respectively.
Through above-mentioned technical scheme, many paster springs cooperate multi-disc paster piece one to one with the wound is attached in patient's back of the hand, enable the attached face of adhesive bandage more to laminate patient's back of the hand pitch arc, and it is more comfortable to attach, and hemostatic effect is better.
Preferably, the arrangement direction of all the patch pieces is the same as the sliding direction of the sliding block.
Through above-mentioned technical scheme, when the sliding block progressively from the groove notch position roll-off that slides, the paster piece that arranges along the sliding block direction of sliding can pop out downwards one by one, and the lateral wall of adhesive bandage alright progressively contacts with patient's back of the hand, has further promoted patient's medical experience.
Preferably, a transition roller is arranged on the support and is positioned between the patch part and the winding roller.
Through above-mentioned technical scheme, the syringe on the bit injection head can offset with the outer roll surface of transition roller, and when the wind-up roll took place to rotate, the outer roll surface of wind-up roll can offset with the outer tube surface of syringe, and then promotes the rolling smoothness nature of wind-up roll.
Drawings
FIG. 1 is a schematic diagram of a prior art midpoint drip injector head;
FIG. 2 is a schematic structural diagram of an embodiment;
fig. 3 is an enlarged view of a portion a of fig. 2.
Reference numerals: a. a needle head; b. a clamping piece; c. an injection tube; 1. a bandage is pasted; 2. a support; 3. a binding band; 4. a wind-up roll; 5. a drive source; 6. sticking a sheet part; 61. a patch frame; 7. triggering a channel; 8. a sliding groove; 9. a sliding block; 10. a sliding spring; 11. accommodating grooves; 12. a patch block; 13. a patch spring; 14. a trigger section; 15. a trigger end; 16. a limiting end; 17. a limiting groove; 18. a trigger lever; 19. a trigger spring; 20. and (4) transition rollers.
Detailed Description
The following detailed description of the present invention is provided in conjunction with the accompanying drawings 1-3 to make the technical solution of the present invention easier to understand and grasp.
A medical needle-pulling patch assembly comprises a support 2, wherein a binding belt 3 is arranged on the support 2, and the support 2 can be bound and fixed on the arm of a patient through the binding belt 3. And a winding roller 4 and a driving source 5 for driving the winding roller 4 to rotate are arranged on the bracket 2, and the driving source 5 can be a motor. The injection tube c of the drip injection head is wound on the winding roller 4. When the binding belt 3 is bound on the arm of the patient, the winding roller 4 on the bracket 2 protrudes out of the arm of the patient.
The hand patch further comprises a patch part 6, and the patch part 6 is positioned on one side close to the hand of the patient. The patch part 6 comprises a patch frame 61, a trigger channel 7 and a sliding groove 8 are arranged on the patch frame 61, the trigger channel 7 is positioned on one side close to the arm of a patient, the sliding groove 8 is positioned on one side of the trigger channel 7 departing from the arm of the patient, and the trigger channel 7 transversely penetrates through the patch frame 61 and is used for a drip injection head to penetrate through.
The sliding groove 8 penetrates through one side frame wall of the patch frame 61, and a groove hole of the sliding groove 8 faces the back of the hand of the patient. A sliding block 9 and a sliding spring 10 are arranged in the sliding groove 8, and the sliding spring 10 is used for driving the sliding block 9 to slide towards the outside of the patch frame 61.
The lateral wall that sliding block 9 is close to and is equipped with holding tank 11 on triggering channel 7, and after support 2 installed in patient's arm, holding tank 11's notch was towards patient's arm one side. Be equipped with paster piece 12, paster spring 13 in the holding tank 11, wherein, the quantity of paster piece 12 is two or more than two, and the quantity of paster spring 13 corresponds with the quantity one-to-one of paster piece 12, and paster spring 13 both ends are connected respectively on 11 cell walls of holding tank and the paster piece 12 that corresponds. The arrangement direction of all the patch blocks 12 is the same as the sliding direction of the sliding block 9. The patch spring 13 is used for driving the patch block 12 to move out of the accommodating groove 11. When the sliding block 9 is located in the sliding groove 8, the adhesive bandage 1 or the hemostatic patch can be placed in the accommodating groove 11, the adhesive bandage 1 or the hemostatic patch can be attached to the outer surface of the adhesive bandage block 12 departing from the bottom of the accommodating groove 11, and the patch spring 13 can be pressed. When the accommodating groove 11 is located outside the sliding groove 8, the elastic force of the patch spring 13 is applied to the patch block 12, and the patch block 12 pushes the bandage 1 or the hemostatic patch to be attached to the back of the hand of the patient.
Be equipped with trigger part 14 in paster frame 61, trigger part 14 includes trigger bar 18, trigger spring 19, rotary connection is in paster frame 61 in the middle part of trigger bar 18, the both ends of trigger bar 18 are trigger end 15 and spacing end 16 respectively, be equipped with spacing groove 17 on sliding block 9 lateral wall, trigger end 15 extends to in triggering the passageway 7, spacing groove 17 extends to in the groove 8 that slides, trigger spring 19 one end is connected in paster frame 61, the trigger spring 19 other end is connected between rotation tie point and the trigger end 15 on trigger bar 18. The limiting end 16 is inserted into the limiting groove 17 to limit the sliding motion of the sliding block 9.
In addition, a transition roller 20 is arranged on the bracket 2, and the transition roller 20 is positioned between the patch part 6 and the winding roller 4.
In the specific implementation process:
(1) when hanging a drip, the attached drawing 1 is taken as an orientation reference, a needle head a and a clamping piece b on the drip injection head penetrate through the trigger channel 7, the needle head a and the clamping piece b are positioned at the left side of the patch part 6, one section of an injection tube c on the drip injection head is positioned in the trigger channel 7, and the other section of the injection tube c on the drip injection head props against the transition roller 20 and is wound on the winding roller 4. At this time, the limit end 16 of the trigger rod 18 is clamped into the limit groove 17, and the sliding spring 10 is pressed under the action of the pulling force of the trigger spring 19, so that the sliding block 9 is stably positioned in the sliding groove 8. The patch spring 13 is compressed, and the adhesive bandage 1 or the hemostatic patch is positioned between the patch block 12 and the groove wall of the sliding groove 8.
(2) When hanging the intravenous drip, the patient only needs to start the driving source 5, the driving source 5 drives the winding roller 4 to rotate, the winding roller 4 winds the injection tube c, the intravenous drip injection head can receive the pulling force from the patch part 6 to the winding roller 4, the needle head a on the intravenous drip injection head can be pulled out from the back of the hand of the patient, the holding sheet b of the intravenous drip injection head can be pulled into the trigger channel 7, the holding sheet b is abutted against the trigger end 15 of the trigger rod 18, the trigger rod 18 overcomes the pulling force of the trigger spring 19, the limit end 16 of the trigger rod 18 can be separated from the limit groove 17, the sliding spring 10 can push the sliding block 9 to move towards the notch direction of the sliding groove 8, meanwhile, the wound patch 1 or the hemostatic patch located in the accommodating groove 11 can also synchronously move, when the accommodating groove 11 is gradually located outside the sliding groove 8, the patch spring 13 correspondingly located in the sliding groove 8 applies force to the patch block 12, the patch block 12 will push the bandage 1 or the hemostatic patch to move toward the needle hole of the back of the hand of the patient and finally be stably attached to the back of the hand of the patient.
In addition, when the holding piece b on the drip infusion head abuts against the trigger end 15 of the trigger rod 18, the holding piece b on the drip infusion head and the needle head a are positioned in the trigger channel 7; make things convenient for later stage medical personnel to accomodate to can effectively reduce the probability that later stage was stabbed by syringe needle a. In order to improve the installation stability between the drip injection head and the trigger channel 7, a rubber layer can be wrapped outside the trigger end 15 of the trigger rod 18, and the drip injection head can be more stably squeezed between the trigger end 15 of the trigger rod 18 and the channel wall of the trigger channel 7.
The above are only typical examples of the present invention, and besides, the present invention may have other embodiments, and all the technical solutions formed by equivalent substitutions or equivalent changes are within the scope of the present invention as claimed.