Hand infusion needle hole position identification method

Abstract

The invention relates to a hand transfusion pinhole position identification method, which comprises the following steps of: after hand back transfusion for the first time, mounting a hand transfusion pinhole position identification mechanism on a hand, adjusting an inner side flexible indication rope to extend along a main vein on the inner side of the hand back, and adjusting an outer side flexible indication rope to extend along a main vein on the outer side of the hand back; the positions, aligned with the needle hole, of the inner side flexible indication cable and the outer side flexible indication cable are marked; when follow-up hand back infusion is carried out, the hand infusion needle hole position identification mechanism is installed on the hand, the injection position is staggered from the previous injection position by observing the marked previous injection position, and the infusion position is identified at the position, aligned with the injection position, of the outer side flexible indication rope or the inner side flexible indication rope. The hand injection needle has the advantage that the position of the needle hole for hand injection can be known, and the problem that whether the previous injection position is avoided or not cannot be known when injection is carried out on the hand back is solved.

Description

Technical Field

[0001] The present invention relates to the technical field of medical supplies, and particularly to a method for marking the position of a hand infusion needle hole. Background Art

[0002] When performing multiple injections on the hand, some patients, due to the influence of skin color and healing speed, are unable to visually observe to avoid the injection position from the previous needle hole position during the next injection or infusion. If the needle hole position is not avoided, it is easy to cause an overly large scab at the venous needle hole, which affects health. Summary of the Invention

[0003] The present utility model aims to provide a method for marking the position of a hand infusion needle hole that can know the position of the needle hole for hand injection, and solves the problem that it is impossible to know whether the previous injection position is avoided when performing infusion on the back of the hand.

[0004] The above technical problems are solved by the following technical solutions: a method for marking the position of a needle hole for infusion on a hand, characterized in that it is realized by a mechanism for marking the position of a needle hole for infusion on a hand, the mechanism for marking the position of a needle hole for infusion on a hand comprising an outer flexible indicator cable, an inner flexible indicator cable, a wrist ring, a little finger sleeve, an index finger sleeve, a positioning frame whose one end is movable and hooked with the wrist ring, a little finger ring connected to the little finger sleeve by a little finger cable, and an index finger ring connected to the index finger sleeve by a index finger cable, a spacing positioning rod detachably connected between the little finger sleeve and the index finger sleeve, the little finger sleeve is connected to an outer comparison rod, and the index finger sleeve is connected to an inner comparison rod, The little finger sleeve is connected to the positioning frame and the outer side of the other end of the positioning frame through the outer connecting cable, the index finger sleeve is connected to the inner side of the other end of the positioning frame through the inner connecting cable, the outer flexible indicator cable is connected to the positioning frame through the outer adjusting structure, and the inner flexible indicator cable is connected to the positioning frame through the inner adjusting structure; the process of marking the position of the infusion needle hole is as follows: after the first infusion through the back of the hand, the little finger ring is put on the root joint of the little finger, the index finger ring is put on the root joint of the index finger, and then the little finger sleeve is put on the little finger to the lower part of the little finger sleeve, the index finger sleeve is put on the index finger to the bottom of the index finger sleeve, and then the wrist ring is brought to the wrist and When the hand is clenched into a fist, the little finger cable, the index finger cable, the outer connecting cable and the inner connecting cable are all in a tensioned state, the little finger sleeve and the index finger sleeve are positioned at the current spacing by a spacing positioning rod, the inner flexible indicator cable is adjusted to extend along the main vein on the inner side of the back of the hand by the inner side adjustment structure, and the outer flexible indicator cable is adjusted to extend along the main vein on the outer side of the back of the hand by the outer side adjustment structure, and the position where the inner flexible indicator cable and the outer flexible indicator cable are aligned with the needle hole is marked, and the hand infusion needle hole position marking mechanism is removed; when performing back of hand infusion subsequently, the needle hole position overlap is prevented by the following method: the little finger ring is put on the little finger root joint, and the index finger ring is put on the index finger The little finger sleeve is put on the little finger to the bottom of the little finger sleeve, and the index finger sleeve is put on the index finger to the bottom of the index finger sleeve. Then the wrist ring is brought to the wrist and the little finger rope, index finger rope, outer connecting rope and inner connecting rope are all in a tensioned state when the hand is clenched into a fist. The little finger sleeve and the index finger sleeve are positioned at the same spacing as the first injection positioning by the spacing positioning rod. By observing the previous injection position marked on the inner flexible indicator cable and the outer flexible indicator cable, the current injection position is staggered with the previous injection position. The current infusion position is marked on the outer flexible indicator cable or the inner flexible indicator cable at a position aligned with the current injection position.

[0005] Preferably, there are two outer connecting cables, and the outer comparison rod is located between the two outer connecting cables. The distance between the two outer connecting cables is equal to the appearance dimension of the outer comparison rod in the left-right direction; there are two inner connecting cables, and the inner comparison rod is located between the two inner connecting cables. The distance between the two inner connecting cables is equal to the appearance dimension of the inner comparison rod in the left-right direction. Each time the hand infusion needle hole position marking mechanism is installed on the hand, the positioning frame is in a position where the outer comparison rod does not interfere with the outer connecting cable being in a straight state and the inner comparison rod does not interfere with the inner connecting cable being in a straight state. It is possible to reliably and conveniently know whether the position of installing the hand infusion needle hole position marking mechanism on the hand is the same each time. The accuracy during marking judgment can be ensured.

[0006] Preferably, the positioning frame includes an outer frame and an inner frame. The outer frame includes an outer longitudinal rod and an outer cross bar. The inner frame includes an inner longitudinal rod and an inner cross bar. One end of the outer longitudinal rod is hook-connected to the wrist ring so as to be able to move horizontally, and the other end is fixed to the outer end of the outer cross bar. The outer connecting cable is connected to the end of the outer frame away from the wrist ring. One end of the inner longitudinal rod is hook-connected to the wrist ring so as to be able to move horizontally, and the other end is fixed to the inner end of the inner cross bar. The inner connecting cable is connected to the end of the inner frame away from the wrist ring. The outer end of the inner cross bar is inserted into the inner end of the outer cross bar in a pluggable manner, and a positioning frame width fixing bolt that abuts against the inner cross bar is threadedly connected to the outer cross bar; the outer flexible indicating cable is connected to the outer longitudinal rod through an outer adjustment structure, and the inner flexible indicating cable is connected to the inner longitudinal rod through an inner adjustment structure. During use, by making the inner and outer cross bars expand and contract, it is ensured that the outer comparison rod does not interfere with the outer connecting cable being in a straight state and the inner comparison rod does not interfere with the inner connecting cable being in a straight state. The hand infusion needle hole position marking mechanism can be conveniently removed without removing the needle.

[0007] Preferably, the outer adjustment structure includes a plurality of outer push rods longitudinally distributed and a plurality of outer fixing bolts threadedly connected to the outer longitudinal rod. The inner end of the outer push rod can be inserted through the outer longitudinal rod and fixed together with the outer flexible indicating cable. The outer fixing bolts are used to fix the outer push rods to the outer longitudinal rod one by one. The inner adjustment structure includes a plurality of inner push rods longitudinally distributed and a plurality of inner fixing bolts threadedly connected to the inner longitudinal rod. The outer end of the inner push rod can be inserted through the inner longitudinal rod and fixed together with the inner flexible indicating cable. The inner fixing bolts are used to fix the inner push rods to the inner longitudinal rod one by one. During use, the position of the outer connecting cable is adjusted by telescoping the outer push rod to align with the outer main vein on the back of the hand. After the outer connecting cable is aligned with the outer main vein on the back of the hand, the outer push rod is fixed by the outer fixing bolt. The position of the inner connecting cable is adjusted by telescoping the inner push rod to align with the inner main vein on the back of the hand. After the inner connecting cable is aligned with the inner main vein on the back of the hand, the inner push rod is fixed by the inner fixing bolt. The positions of the outer flexible indicating cable and the inner flexible indicating cable can be conveniently adjusted and fixed.

[0008] Preferably, the outer push rod is connected to the outer side of the outer flexible indicating cable, and the lower surface of the outer push rod is higher than the lower surface of the outer flexible indicating cable. The inner push rod is connected to the inner side of the inner flexible indicating cable, and the lower surface of the inner push rod is higher than the lower surface of the inner flexible indicating cable. It can improve the accuracy when comparing the outer flexible indicating cable with the outer main vein on the back of the hand and improve the accuracy when comparing the inner flexible indicating cable with the inner main vein on the back of the hand.

[0009] Preferably, it further includes a transverse pull rod connected to the wrist ring on the back of the wrist through connecting feet at both ends. An avoidance through hole is formed between the transverse pull rod and the wrist ring. One end of the inner longitudinal rod is inserted into the avoidance through hole and is provided with an inner hook head hooked on the transverse pull rod. One end of the outer longitudinal rod is inserted into the avoidance through hole and is provided with an outer hook head hooked on the transverse pull rod. The position of the positioning frame can be adjusted while ensuring that the little finger part cable, the index finger part cable, the outer connecting cable and the inner connecting cable are all in a tensioned state.

[0010] Preferably, the wrist ring is formed by a flat strap. A female tape is provided on the outer surface of one end of the strap, and a male tape is provided on the inner surface of the other end. The female tape and the male tape are connected together so that the strap is tightened around the wrist to form the wrist ring. The joint formed when the strap forms the wrist ring is located on the front side of the wrist. It is convenient to put on and take off the wrist ring.

[0011] Preferably, a connection socket with a horizontally - opening is provided on the little - finger finger sleeve. One end of the spacing positioning rod is rotatably connected to the index - finger finger sleeve through a vertical shaft head, and the other end can rotate around the vertical shaft head into the connection socket. A spacing positioning rod fixing bolt for fixing the spacing positioning rod to the little - finger finger sleeve is thread - connected to the connection fork opening. It is convenient to install and remove the spacing unit rod.

[0012] Preferably, an outer - side sliding hole extending along the extending direction of the outer - side flexible indicating cable is provided inside the outer - side flexible indicating cable. One end of the outer - side sliding hole facing the finger is closed and the other end is open during use. An outer - side piston is slidably connected inside the outer - side sliding hole. The outer - side piston isolates an outer - side sealed cavity and an outer - side open cavity inside the inner - side sliding hole. The outer - side sealed cavity is provided with an outer - side air valve opening towards the outer - side sealed cavity; an inner - side sliding hole extending along the extending direction of the inner - side flexible indicating cable is provided inside the inner - side flexible indicating cable. One end of the inner - side sliding hole facing the finger is closed and the other end is open during use. An inner - side piston is slidably connected inside the inner - side sliding hole. The inner - side piston isolates an inner - side sealed cavity and an inner - side open cavity inside the inner - side sliding hole. The inner - side sealed cavity is provided with an inner - side air valve opening towards the inner - side sealed cavity; both the outer - side flexible indicating cable and the inner - side flexible indicating cable are of transparent structures, and both the outer - side piston and the inner - side piston are red. During infusion, the infusion position changes from the end of the vein near the finger towards the wrist end. During marking, liquid is injected into the outer - side sealed cavity through the outer - side air valve until the outer - side piston aligns with the position of the needle hole at the last injection, and liquid is injected into the inner - side sealed cavity through the inner - side air valve until the inner - side piston aligns with the position of the needle hole at the last injection. The marking will not fade.

[0013] Preferably, outer - side guiding inclined grooves extending along the extending direction of the outer - side flexible indicating cable and penetrating the upper and lower surfaces of the outer - side flexible indicating cable at the upper end are provided on the inner - side surface of the outer - side flexible indicating cable. The upper end of the outer - side guiding inclined groove inclines towards the finger; inner - side guiding inclined grooves extending along the extending direction of the inner - side flexible indicating cable and penetrating the upper and lower surfaces of the inner - side flexible indicating cable at the upper end are provided on the outer - side surface of the inner - side flexible indicating cable. The upper end of the inner - side guiding inclined groove inclines towards the finger. During injection, the needle is inserted along the corresponding inner - and outer - side guiding inclined grooves for infusion, and the accuracy of infusion positioning is good.

[0014] The present invention has the following advantages: It can mark the position of the needle hole during injection on the back of the hand, avoiding the overlap of the needle - hole positions during infusion. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the use state of the hand - infusion needle - hole position marking mechanism; in the figure, the spacing positioning rod is in a state of not being fixed to the little - finger ring; Figure 2 is Figure 1Partial enlarged schematic view at position A; Figure 3 is Figure 1 Partial enlarged schematic view at position B Figure 4 is Figure 3 Schematic view when viewing 3 of Figure 3 along the C direction; Figure 5 is a sectional view taken along D - D; Figure 6 is Figure 5 Partial enlarged schematic view at position E of

[0016] In the figure: outer flexible indicating cable 1, inner flexible indicating cable 2, wrist ring 3, little finger finger sleeve 4, index finger finger sleeve 5, little finger part cable 6, little finger finger ring 7, index finger part cable 8, index finger finger ring 9, spacing positioning rod 10, outer comparison rod 11, outer connecting cable 12, inner connecting cable 13, inner comparison rod 44, outer longitudinal rod 14, outer cross rod 15, inner longitudinal rod 16, inner cross rod 17, positioning frame width fixing bolt 18, outer push - pull rod 19, outer fixing bolt 20, inner push - pull rod 21, inner fixing bolt 22, connecting foot 23, transverse pull rod 24, avoidance through - hole 25, inner hook head 26, outer hook head 27, strap 28, female adhesive tape 29, male adhesive tape 30, connecting socket 31, spacing positioning rod fixing bolt 32, outer piston 34, outer sealing cavity 35, outer open cavity 36, outer air valve 37, inner piston 38, inner sealing cavity 39, inner open cavity 40, inner air valve 41, outer guiding inclined groove 42, inner guiding inclined groove 43, main vein on the inner side of the back of the hand 45, main vein on the outer side of the back of the hand 46, wrist 47, little finger root joint 48, index finger root joint 49, little finger distal joint 50, index finger phalanx 51. Specific embodiments

[0017] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

[0018] See Figures 1 to 6A method for marking the position of a needle hole for hand infusion is implemented by a mechanism for marking the position of a needle hole for hand infusion. The mechanism for marking the position of a needle hole for hand infusion comprises an outer flexible indicator cable 1, an inner flexible indicator cable 2, a wrist ring 3, a pinky finger sleeve 4, an index finger sleeve 5, a positioning frame whose one end is movable and hooked with the wrist ring, a pinky finger ring 7 connected with the pinky finger sleeve through a pinky part cable 6, and an index finger ring 9 connected with the index finger sleeve through an index finger part cable 8, a spacing positioning rod 10 is detachably connected between the pinky finger sleeve and the index finger sleeve, the pinky finger sleeve is connected with an outer comparison rod 11, the pinky finger sleeve is connected with the inner and outer sides of the other end of the positioning frame through an outer connecting cable 12, and the index finger sleeve is connected with an inner comparison rod 44. The index finger sleeve is connected with the inner and outer sides of the other end of the positioning frame through an inner connecting cable 13, the outer flexible indicator cable is connected with the positioning frame through an outer adjustment structure, and the inner flexible indicator cable is connected with the positioning frame through an inner adjustment structure. The method for marking the position of the infusion needle hole is as follows: after the first infusion through the back of the hand, put the little finger ring on the little finger root joint 48, the index finger ring on the index finger root joint 49, then put the little finger sleeve on the little finger distal joint 50 to the bottom of the little finger sleeve, and put the index finger sleeve on the index finger membrane joint 51 to the bottom of the index finger sleeve, and then bring the wrist ring to the wrist and make the little finger cable, index finger cable, outer connecting cable and inner connecting cable all in a tensioned state when the hand is clenched into a fist, the little finger sleeve and the index finger sleeve are positioned at the current spacing by the spacing positioning rod, the inner flexible indicator cable is adjusted to extend along the main vein 45 on the inner side of the back of the hand by the inner side adjustment structure, and the outer flexible indicator cable is adjusted to extend along the main vein 46 on the outer side of the back of the hand by the outer side adjustment structure, mark the position where the inner flexible indicator cable and the outer flexible indicator cable are aligned with the needle hole, and remove the hand infusion. The needle hole position marking mechanism is provided; when performing the infusion on the back of the hand subsequently, the needle hole position is prevented from overlapping by the following method: the little finger ring is put on the little finger root joint, the index finger ring is put on the index finger root joint, and then the little finger sleeve is put on the little finger to the bottom of the little finger sleeve, and the index finger sleeve is put on the index finger to the bottom of the index finger sleeve, and then the wrist ring is brought to the wrist 47 and the little finger rope, the index finger rope, the outer connecting rope and the inner connecting rope are all in a tensioned state when the hand is clenched into a fist. The little finger sleeve and the index finger sleeve are positioned at the same spacing as the first injection positioning by the spacing positioning rod. By observing the previous injection position marked on the inner flexible indicator rope and the outer flexible indicator rope, the current injection position is staggered with the previous injection position, and the current infusion position is marked at a position on the outer flexible indicator rope or the inner flexible indicator rope that is aligned with the current injection position. There are two outer connecting cables, the outer comparison rod is located between the two outer connecting cables, and the spacing between the two outer connecting cables is equal to the outer dimensions of the outer comparison rod in the left and right directions; there are two inner connecting cables, the inner comparison rod is located between the two inner connecting cables, and the spacing between the two inner connecting cables is equal to the outer dimensions of the inner comparison rod in the left and right directions.Each time the hand infusion needle hole position marking mechanism is installed on the hand, the positioning frame is in a position where the outer comparison rod does not interfere with the outer connecting cable being in a straight state and the inner comparison rod does not interfere with the inner connecting cable being in a straight state. The positioning frame includes an outer frame and an inner frame. The outer frame includes an outer longitudinal rod 14 and an outer cross rod 15. The inner frame includes an inner longitudinal rod 16 and an inner cross rod 17. One end of the outer longitudinal rod is hook-connected to the wrist ring in a laterally movable manner, and the other end is fixedly connected to the outer end of the outer cross rod. The outer connecting cable is connected to the end of the outer frame away from the wrist ring. One end of the inner longitudinal rod is hook-connected to the wrist ring in a laterally movable manner, and the other end is fixedly connected to the inner end of the inner cross rod. The inner connecting cable is connected to the end of the inner frame away from the wrist ring. The outer end of the inner cross rod is inserted into the inner end of the outer cross rod in a pluggable manner, and a positioning frame width fixing bolt 18 that abuts against the inner cross rod is threadedly connected to the outer cross rod; the outer flexible indicating cable is connected to the outer longitudinal rod through an outer adjusting structure, and the inner flexible indicating cable is connected to the inner longitudinal rod through an inner adjusting structure. During use, by making the inner and outer cross rods expand and contract, a position is ensured where the outer comparison rod does not interfere with the outer connecting cable being in a straight state and the inner comparison rod does not interfere with the inner connecting cable being in a straight state. The outer adjusting structure includes a plurality of outer push rods 19 distributed longitudinally and a plurality of outer fixing bolts 20 threadedly connected to the outer longitudinal rod. The inner end of the outer push rod is inserted through the outer longitudinal rod in a pluggable manner and then fixedly connected to the outer flexible indicating cable. The outer fixing bolts are used to fixedly connect the outer push rods to the outer longitudinal rod one by one; the inner adjusting structure includes a plurality of inner push rods 21 distributed longitudinally and a plurality of inner fixing bolts 22 threadedly connected to the inner longitudinal rod. The outer end of the inner push rod is inserted through the inner longitudinal rod in a pluggable manner and then fixedly connected to the inner flexible indicating cable. The inner fixing bolts are used to fixedly connect the inner push rods to the inner longitudinal rod one by one. During use, the position of the outer connecting cable is adjusted to align with the outer main vein on the back of the hand by telescoping the outer push rod. After the outer connecting cable is aligned with the outer main vein on the back of the hand, the outer push rod is fixed by the outer fixing bolt; the position of the inner connecting cable is adjusted to align with the inner main vein on the back of the hand by telescoping the inner push rod. After the inner connecting cable is aligned with the inner main vein on the back of the hand, the inner push rod is fixed by the inner fixing bolt. The outer push rod is connected to the outer side of the outer flexible indicating cable, and the lower surface of the outer push rod is higher than the lower surface of the outer flexible indicating cable; the inner push rod is connected to the inner side of the inner flexible indicating cable, and the lower surface of the inner push rod is higher than the lower surface of the inner flexible indicating cable. It further includes a transverse pull rod 24 whose two ends are connected to the wrist ring on the back of the wrist through connecting feet 23. An avoidance through hole 25 is formed between the transverse pull rod and the wrist ring. One end of the inner longitudinal rod is inserted into the avoidance through hole and is provided with an inner hook head 26 hooked on the transverse pull rod. One end of the outer longitudinal rod is inserted into the avoidance through hole and is provided with an outer hook head 27 hooked on the transverse pull rod. The wrist ring is formed by a flat strap 28. A female adhesive tape 29 is provided on the outer surface of one end of the strap, and a male adhesive tape 30 is provided on the inner surface of the other end. The female adhesive tape and the male adhesive tape are connected together so that the strap is tightened around the wrist to form the wrist ring. The joint formed when the strap forms the wrist ring is located on the front side of the wrist. A connection socket 31 with a horizontally open mouth is provided on the little finger finger sleeve. One end of the spacing positioning rod is rotatably connected to the index finger finger sleeve through a vertical shaft head, and the other end can rotate into the connection socket with the vertical shaft head as the axis. A spacing positioning rod fixing bolt 32 for fixing the spacing positioning rod to the little finger finger sleeve is threadedly connected to the connection fork opening. An outer sliding hole extending along the extending direction of the outer flexible indicating cable is provided in the outer flexible indicating cable. One end of the outer sliding hole facing the finger is closed and the other end is open. An outer piston 34 is slidably connected in the outer sliding hole. The outer piston isolates an outer sealed cavity 35 and an outer open cavity 36 in the inner sliding hole. The outer sealed cavity is provided with an outer valve nozzle 37 opening towards the outer sealed cavity; an inner sliding hole extending along the extending direction of the inner flexible indicating cable is provided in the inner flexible indicating cable. When in use, one end of the inner sliding hole facing the finger is closed and the other end is open. An inner piston 38 is slidably connected in the inner sliding hole. The inner piston isolates an inner sealed cavity 39 and an inner open cavity 40 in the inner sliding hole. The inner sealed cavity is provided with an inner valve nozzle 41 opening towards the inner sealed cavity; both the outer flexible indicating cable and the inner flexible indicating cable are of a transparent structure, and both the outer piston and the inner piston are red. When infusing, the infusion position changes from the end of the vein close to the finger towards the wrist end. When marking, liquid is injected into the outer sealed cavity through the outer valve nozzle until the outer piston is aligned with the position of the needle hole at the last injection, and liquid is injected into the inner sealed cavity through the inner valve nozzle until the inner piston is aligned with the position of the needle hole at the last injection. An outer guiding inclined groove 42 extending along the extending direction of the outer flexible indicating cable and penetrating the upper and lower surfaces of the outer flexible indicating cable at the upper end is provided on the inner surface of the outer flexible indicating cable. The outer guiding inclined groove is located on the inner side of the outer flexible indicating cable. The upper end of the outer guiding inclined groove inclines towards the finger; an inner guiding inclined groove 43 extending along the extending direction of the inner flexible indicating cable and penetrating the upper and lower surfaces of the inner flexible indicating cable at the upper end is provided on the outer surface of the inner flexible indicating cable. The inner guiding inclined groove is located on the outer side of the inner flexible indicating cable. The upper end of the inner guiding inclined groove inclines towards the finger.

[0019] It should be noted that in this text, relational terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variant thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device comprising a series of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such process, method, article or device. Without further limitation, an element defined by the statement "comprising an..." does not exclude the presence of additional identical elements in the process, method, article or device comprising said element.

[0020] Although the embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A method for marking the position of a hand infusion needle hole, characterized in that: The hand infusion needle hole position marking mechanism is realized, and the hand infusion needle hole position marking mechanism includes an outer flexible indicator cable, an inner flexible indicator cable, a wrist ring, a little finger sleeve, an index finger sleeve, a positioning frame that is movable and hooked with the wrist ring at one end, a little finger ring connected with the little finger sleeve through a little finger cable, and an index finger ring connected with the index finger sleeve through an index finger cable, a spacing positioning rod is detachably connected between the little finger sleeve and the index finger sleeve, the little finger sleeve is connected with an outer comparison rod, the index finger sleeve is connected with an inner comparison rod, the little finger sleeve is connected with the positioning frame and the outer side of the other end of the positioning frame through the outer connecting cable The index finger sleeve is connected together, the index finger sleeve is connected to the inner side of the other end of the positioning frame through the inner connecting rope, the outer flexible indicator rope is connected to the positioning frame through the outer adjusting structure, and the inner flexible indicator rope is connected to the positioning frame through the inner adjusting structure; the process of marking the position of the infusion needle hole is: after the first infusion through the back of the hand, the little finger ring is put on the little finger root joint, the index finger ring is put on the index finger root joint, and then the little finger sleeve is put on the little finger to the bottom of the little finger sleeve, the index finger sleeve is put on the index finger to the bottom of the index finger sleeve, and then the wrist ring is brought to the wrist and the little finger rope, the index finger rope, and the wrist ring are pulled on the wrist when the hand is clenched into a fist. The outer connecting cable and the inner connecting cable are both in a tensioned state, the little finger sleeve and the index finger sleeve are positioned at the current spacing by the spacing positioning rod, the inner flexible indicator cable is adjusted to extend along the main vein on the inner side of the back of the hand by the inner adjusting structure, and the outer flexible indicator cable is adjusted to extend along the main vein on the outer side of the back of the hand by the outer adjusting structure, and the positions where the inner flexible indicator cable and the outer flexible indicator cable are aligned with the needle hole are marked, and the hand infusion needle hole position marking mechanism is removed; when performing back of hand infusion subsequently, the needle hole positions are prevented from overlapping by the following methods: the little finger ring is put on the little finger root joint, the index finger ring is put on the index finger root joint, and then the little finger sleeve is put on Put it on the little finger to the lower part of the little finger sleeve, put the index finger sleeve on the index finger to the bottom of the index finger sleeve, then bring the wrist ring to the wrist and make the little finger rope, index finger rope, outer connecting rope and inner connecting rope all in tension when the hand is clenched into a fist, and the little finger sleeve and the index finger sleeve are positioned at the same spacing as the first injection positioning by the spacing positioning rod, and the injection position of this time is staggered with the previous injection position by observing the previous injection position marked on the inner flexible indicator cable and the outer flexible indicator cable, and the infusion position of this time is marked on the outer flexible indicator cable or the inner flexible indicator cable at a position aligned with the injection position of this time.

2. A hand infusion needle hole position marking method according to claim 1, characterized in that: There are two outer connecting cables, and the outer comparison rod is located between the two outer connecting cables. The spacing between the two outer connecting cables is equal to the outer dimensions of the outer comparison rod in the left-right direction; there are two inner connecting cables, and the inner comparison rod is located between the two inner connecting cables. The spacing between the two inner connecting cables is equal to the outer dimensions of the inner comparison rod in the left-right direction; each time the hand infusion needle hole position marking mechanism is installed on the hand, the positioning frame is in a position where the outer comparison rod does not interfere with the outer connecting cable and is in a straight state, and the inner comparison rod does not interfere with the inner connecting cable and is in a straight state.

3. A method for marking the position of a hand infusion needle hole according to claim 1, characterized in that: The positioning frame includes an outer frame and an inner frame, the outer frame includes an outer longitudinal rod and an outer cross rod, the inner frame includes an inner longitudinal rod and an inner cross rod, one end of the outer longitudinal rod is hooked together with the wrist ring so as to be laterally movable, and the other end is fixed to the outer end of the outer cross rod, the outer connecting cable is connected to the end of the outer frame away from the wrist ring, one end of the inner longitudinal rod is hooked together with the wrist ring so as to be laterally movable, and the other end is fixed to the inner end of the inner cross rod, and the inner connecting cable is connected to the end of the inner frame away from the wrist ring The outer end shell of the inner cross bar is inserted and inserted into the inner end of the outer cross bar, and the outer cross bar is threadedly connected with a positioning frame width fixing bolt that is tightened on the inner cross bar; the outer flexible indicator cable is connected to the outer longitudinal bar through the outer adjustment structure, and the inner flexible indicator cable is connected to the inner longitudinal bar through the inner adjustment structure; when in use, the inner and outer cross bars are extended and retracted to ensure that the outer comparison rod does not interfere with the outer connecting cable in a straight state and the inner comparison rod does not interfere with the inner connecting cable in a straight state.

4. A method for marking the position of a hand infusion needle hole according to claim 3, characterized in that: The outer side adjustment structure includes a plurality of outer side push-pull rods distributed along the longitudinal direction and a plurality of outer side fixing bolts threadedly connected to the outer side longitudinal rod. The inner end of the outer side push-pull rod can be inserted and pulled through the outer side longitudinal rod and fixed together with the outer side flexible indicator cable. The outer side fixing bolt is used to fix the outer side push-pull rod and the outer side longitudinal rod together in a one-to-one correspondence. The inner side adjustment structure includes a plurality of inner side push-pull rods distributed along the longitudinal direction and a plurality of inner side fixing bolts threadedly connected to the inner side longitudinal rod. The outer end of the inner side push-pull rod can be inserted and pulled through the inner side longitudinal rod and fixed together with the inner side flexible indicator cable. The flexible indicating rope is fixed together, and the inner fixing bolt is used to fix the inner push-pull rod and the inner longitudinal rod together in a one-to-one correspondence; when in use, the position of the outer connecting rope is adjusted to be aligned with the outer main vein on the back of the hand by telescoping the outer push-pull rod, and the outer push-pull rod is fixed by the outer fixing bolt after the outer connecting rope is aligned with the outer main vein on the back of the hand; the position of the inner connecting rope is adjusted to be aligned with the inner main vein on the back of the hand by telescoping the inner push-pull rod, and the inner connecting rope is fixed by the inner fixing bolt after the inner push-pull rod is aligned with the inner main vein on the back of the hand.

5. A method for marking the position of a hand infusion needle hole according to claim 4, characterized in that: The outer push-pull rod is connected to the outer side of the outer flexible indicator cable, and the lower surface of the outer push-pull rod is higher than the lower surface of the outer flexible indicator cable; the inner push-pull rod is connected to the inner side of the inner flexible indicator cable, and the lower surface of the inner push-pull rod is higher than the lower surface of the inner flexible indicator cable.

6. A method for marking the position of a hand infusion needle hole according to claim 3, 4 or 5, characterized in that: It also includes a transverse pull rod located on the back of the wrist, with both ends connected to the wrist ring through connecting feet, an avoidance hole is formed between the transverse pull rod and the wrist ring, one end of the inner longitudinal rod is inserted into the avoidance hole and is provided with an inner hook head hooked on the transverse pull rod, and one end of the outer longitudinal rod is inserted into the avoidance hole and is provided with an outer hook head hooked on the transverse pull rod.

7. A method for marking the position of a hand infusion needle hole according to claim 6, characterized in that: The wristband is formed by a flat-structured strap, a female tape is provided on the outer surface of one end of the strap, and a male tape is provided on the inner surface of the other end. The female tape and the male tape are connected together so that the strap is tied tightly around the wrist to form the wristband, and a joint formed when the strap forms the wristband is located on the front side of the wrist.

8. A method for marking the position of a needle hole for hand infusion according to claim 1, 2, 3, 4 or 5, characterized in that: The little finger sleeve is provided with a connecting socket opening in the horizontal direction, one end of the spacing positioning rod is rotatably connected to the index finger sleeve via a vertical axis head, and the other end can be rotated into the connecting socket with the vertical axis head as the axis, and a spacing positioning rod fixing bolt that fixes the spacing positioning rod and the little finger sleeve together is threadedly connected to the connecting fork.

9. A method for marking the position of a needle hole for hand infusion according to claim 1, 2, 3, 4 or 5, characterized in that: An outer sliding hole extending along the extending direction of the outer flexible indicator cable is provided in the outer flexible indicator cable, and the outer sliding hole is closed at one end facing the finger and opened at the other end when in use, and an outer piston is slidably connected in the outer sliding hole, and the outer piston isolates an outer sealing cavity and an outer opening cavity in the inner sliding hole, and the outer sealing cavity is provided with an outer valve opening toward the outer sealing cavity; an inner sliding hole extending along the extending direction of the inner flexible indicator cable is provided in the inner flexible indicator cable, and the inner sliding hole is closed at one end facing the finger and opened at the other end when in use, and an inner piston is slidably connected in the inner sliding hole, and the ... The inner piston separates an inner sealed cavity and an inner open cavity in the inner sliding hole, and the inner sealed cavity is provided with an inner valve nozzle which opens toward the inner sealed cavity; the outer flexible indicator rope and the inner flexible indicator rope are both transparent structures, and the outer piston and the inner piston are both red; when performing infusion, the infusion position changes from the end of the vein close to the finger toward the wrist end, and when marking, liquid is injected into the outer sealed cavity through the outer valve nozzle to the outer piston to align with the needle hole position at the last injection, and liquid is injected into the inner sealed cavity through the inner valve nozzle to the inner piston to align with the needle hole position at the last injection.

10. A method for marking the position of a hand infusion needle hole according to claim 9, characterized in that: An outer guide bevel groove is provided on the inner surface of the outer flexible indicator rope, and the upper end of the outer guide bevel groove passes through the upper and lower surfaces of the outer flexible indicator rope and is distributed along the extension direction of the outer flexible indicator rope, and the upper end of the outer guide bevel groove is inclined toward the finger; an inner guide bevel groove is provided on the outer surface of the inner flexible indicator rope, and the upper end of the inner guide bevel groove passes through the upper and lower surfaces of the inner flexible indicator rope and is distributed along the extension direction of the inner flexible indicator rope, and the upper end of the inner guide bevel groove is inclined toward the finger.

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