CN114053527A - Multi-point fixing device suitable for PICC (peripherally inserted central catheter) catheterization and arterial puncture catheterization - Google Patents
Multi-point fixing device suitable for PICC (peripherally inserted central catheter) catheterization and arterial puncture catheterization Download PDFInfo
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- CN114053527A CN114053527A CN202111370652.0A CN202111370652A CN114053527A CN 114053527 A CN114053527 A CN 114053527A CN 202111370652 A CN202111370652 A CN 202111370652A CN 114053527 A CN114053527 A CN 114053527A
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
- A61M5/42—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests having means for desensitising skin, for protruding skin to facilitate piercing, or for locating point where body is to be pierced
- A61M5/427—Locating point where body is to be pierced, e.g. vein location means using ultrasonic waves, injection site templates
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
- A61M5/52—Arm-rests
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Abstract
The invention relates to the field of medical assistance, and particularly discloses a multi-point fixing device suitable for PICC (peripherally inserted central catheter) catheterization and arterial puncture catheterization. The novel shoe rack comprises a main body and a fixing block, wherein arc-shaped plates are fixed at the top of the main body, first tying belts are fixed at two ends of the main body, and two third tying belts are fixed at the tops of the two arc-shaped plates; the side wall of the main body is hinged with a support rod; the fixed block is provided with a supporting groove with an opening facing the main body, the supporting groove and the fixed block are both horizontal, one end of the supporting rod, which is far away from the main body, transversely extends into the supporting groove, and the supporting rod is in sliding connection with the supporting groove; the top of fixed block is equipped with the arc that the opening is up and leads to the groove and follow length direction interval distribution in proper order and have a plurality of second frenulums. The multi-point fixing device suitable for venipuncture and arterial puncture can support and fix the arm of a patient, reduce the fixing difficulty of medical staff and avoid puncture failure caused by the fact that the patient is not matched.
Description
Technical Field
The invention relates to the field of medical assistance, in particular to a multi-point fixing device suitable for PICC (peripherally inserted central catheter) catheterization and arterial puncture catheterization.
Background
When a patient needs to perform PICC catheterization or arteriopuncture catheterization, in order to facilitate the puncture and improve the success rate of catheterization, the arm and the longitudinal axis of the body of the patient need to form an angle of 90 degrees and the palm of the patient is upward. In addition, since the medical staff cannot directly observe the position of the puncture needle during the puncture and needs to observe the puncture needle by the ultrasonic probe, the medical staff performing the puncture needs to hold the ultrasonic probe and the puncture needle by one hand, and it is difficult to position the patient and keep the patient in a fixed posture.
Because the puncture needle is usually longer, the diameter of the puncture needle is larger than that of a common needle used for transfusion or injection, and the wound caused by puncture is much larger than that caused by injection, part of patients cannot be matched to keep a fixed posture, so that in actual operation, besides medical staff performing puncture, at least two medical staff are required to respectively press and fix the body of the patient and the arm of the patient.
However, the puncture time is usually long, and when the patient is not matched or the puncture fails due to other reasons and the puncture is performed again, the puncture time can even reach several hours, and the extension of the puncture time undoubtedly further increases the difficulty of keeping the patient in a fixed posture or pressing and fixing the patient by other medical staff, so a fixing device capable of performing venipuncture or arterial puncture is needed.
Disclosure of Invention
The invention aims to provide a multi-point fixing device suitable for PICC (peripherally inserted central catheter) catheterization and arterial puncture catheterization, so as to support and fix the arms of a patient, reduce the fixing difficulty of medical staff and avoid puncture failure caused by the fact that the patient is not matched.
In order to achieve the purpose, the invention adopts the following technical scheme: a multi-point fixing device suitable for PICC (peripherally inserted central catheter) catheterization and arterial puncture catheterization comprises a main body and a fixing block, wherein two arc-shaped plates are fixed at the top of the main body, the longitudinal sections of the two arc-shaped plates are U-shaped with downward openings, the two arc-shaped plates are respectively positioned at the two ends of the main body along the vertical projection, first tying belts are fixed at the two ends of the main body, and two third tying belts are fixed at the tops of the two arc-shaped plates; the side wall of the main body is hinged with a support rod, the rotating center of the support rod is vertical, and the projections of the arc-shaped plate and the support rod along the vertical direction are respectively positioned on two sides of the main body; the fixed block is provided with a supporting groove with an opening facing the main body, the supporting groove and the fixed block are both horizontal, one end of the supporting rod, which is far away from the main body, transversely extends into the supporting groove, and the supporting rod is in sliding connection with the supporting groove; the top of fixed block is equipped with the arc that the opening is up and leads to the groove and follow length direction interval distribution in proper order and have a plurality of second frenulums.
The beneficial effect of this scheme does:
1. when the device in the scheme is used, the main body is fixed on the back of a patient, and the fixing block is supported by the supporting rod, so that the main body and the fixing block can be prevented from shielding the chest part of the patient, the arm of the patient can be supported and fixed by the fixing block, the arm of the patient is not required to be pressed by medical staff, and the workload and the fixing difficulty of the medical staff are reduced; also avoid medical staff to relax the oppression to the patient because of oppression time overlength, lead to patient's arm to take place to remove, lead to the puncture to fail at last.
2. And when fixing a position the main part, patient's shoulder position can be arranged in to two arcs in this scheme, fixes a position the main part, avoids the main part landing downwards to avoid the fixed block gliding, because two arcs are located the both ends of main part respectively, so the arc is worn the back and is kept away from patient's neck, thereby avoids causing the oppression to patient's carotid artery, makes things convenient for going on of puncture.
3. The bracing piece in this scheme main part relatively rotates to can rotate the opposite side of fixed block to the main part, thereby can be used to fix another arm of patient.
4. When the PICC is placed, the head of a patient needs to be kept in a state of being deviated towards the shoulder side so as to prevent a pipeline from entering the neck. The third frenulum in this scheme can carry on spacingly to patient's head, and no longer need medical staff manual positioning, further reduces medical staff's work load.
Further, the support groove on the fixed block is equipped with a plurality ofly, and a plurality of support grooves all are parallel with the bracing piece.
The beneficial effect of this scheme does: the supporting rod is slid into different supporting grooves, so that the position of the fixing block can be adjusted relative to the supporting rod, and the fixing block is suitable for patients with different body types.
Further, the main part is equipped with the opening towards the bar groove of bracing piece, and the bar groove transversely runs through the main part and is used for holding the bracing piece.
The beneficial effect of this scheme does: when the patient lies flat when puncturing on the sick bed, the back of the patient is pressed on the main body, and the bar-shaped groove in the scheme is used for accommodating the supporting rod, so that the main body can not be kept flat due to the protrusion of the supporting rod, and the comfort level of the patient lying and using is improved.
Further, the main part is connected with the bracing piece through the pivot rotation, and the top of main part is run through to the pivot upper end and with main part screw-thread fit.
The beneficial effect of this scheme does: the main body and the supporting rod can be detached by screwing out the rotating shaft, so that the fixing block is detached, and the fixing block and the main body are separately stored.
Further, the main part all is fixed with the locating lever towards the fixed block and the tip of keeping away from the fixed block, and the locating lever is parallel with the bracing piece, and the one end that the fixed block is close to the main part is equipped with the constant head tank of a plurality of openings towards the main part, and constant head tank and arc lead to groove one-to-one, locating lever and constant head tank sliding fit.
The beneficial effect of this scheme does: slide the fixed block to one side that is close to the main part can with the locating lever slide in the constant head tank, fix a position the fixed block through the cooperation of locating lever and constant head tank, further avoid the fixed block to take place to rotate or slope, improve the support effect to the fixed block.
Furthermore, the support rod comprises a first rod body and a second rod body, one end of the second rod body close to the first rod body is hinged with the first rod body, and the rotation center of the first rod body is vertical; one end of the first rod body, which is far away from the second rod body, is hinged with the main body; the first rod body and the second rod body are in sliding fit with the supporting groove.
The beneficial effect of this scheme does: first body of rod and the second body of rod in this scheme can take place relative rotation, with the first body of rod after the roll-off in the support groove is followed completely, rotate the second body of rod for the first body of rod and can rotate the front side of fixed block and the first body of rod to the main part, patient's arm can be put forward in the arc wall this moment for support patient's arm when the artery puncture.
Furthermore, the right-hand member that the second body of rod was kept away from to the first body of rod is fixed with the installation piece, and the installation piece can rotate and can dismantle with the main part and be connected relatively the main part.
The beneficial effect of this scheme does: also can fix a position first body of rod after installation piece in this scheme is connected with the main part, improves the fixed effect to first body of rod.
Furthermore, a first channel and a second channel are arranged on the mounting block, the first channel is vertical, the second channel is horizontal, the projections of the first channel and the second channel are both vertical to the first rod body, and the rotating shaft is connected with the first channel and the second channel in a sliding manner; a limiting space is formed between the first rod body and the first channel; can dismantle in the main part and be connected with the U-shaped piece, the U-shaped piece is pressed first body of rod in the main part.
The beneficial effect of this scheme does: use first body of rod to rotate as the rotation center and install the piece after last, can increase the distance between the first body of rod and the main part, form spacing space between the first body of rod and the main part this moment, the part can't carry out the patient of clinostatism puncture and lean on to sit or half sit on the sick bed, pass spacing space with the railing of sick bed head of a bed position this moment and can be connected main part and railing to avoid rocking around the first body of patient takes place.
Further, the main part includes left halfbody and right halfbody, and the right part of left halfbody and the left part of right halfbody all are fixed with a plurality of sawtooth blocks along vertical clearance, and the sawtooth block on the left halfbody meshes with the sawtooth block on the right halfbody, and the pivot is along vertical running through the sawtooth block of alignment and with sawtooth block threaded connection of below.
The beneficial effect of this scheme does: when the patient lies flat on the bed for puncturing, the main body is pressed by the patient. In this scheme, can part left half body and right half body after taking off the pivot, when individual patient is the severe or because injection anesthetic leads to can't take out the main part voluntarily, medical staff accessible makes the patient stand up to one side earlier, take off left half body or right half body, make the patient stand up to the opposite side again, take off remaining part can separately take out left half body and right half body respectively, with completely with the patient first half body lift up compare, the degree of difficulty that makes the patient stand up is lower, it is more convenient to take out, it is littleer to take out the degree of difficulty, only can accomplish through a medical staff.
Further, the thickness of the right end of the sawtooth block of the left half body is smaller than that of the left end; the thickness of the left end of the sawtooth block on the right half body is smaller than that of the right end.
The beneficial effect of this scheme does: after the right half body is taken out, the body of one side of the patient presses the sawtooth block on the left half body, and the sawtooth block inclines, so that the height difference between the side face, far away from the sickbed, of the sawtooth block and the sickbed can be reduced, and the comfort level of the patient is improved.
Drawings
FIG. 1 is a perspective view of example 1 of the present invention;
FIG. 2 is a front view of FIG. 1;
fig. 3 is a top view of the fixing block rotated 90 ° in embodiment 1 of the present invention;
FIG. 4 is a front view showing a state in which embodiment 2 of the present invention is not applied;
FIG. 5 is a top view of the mounting block of FIG. 4 rotated 90;
figure 6 is a perspective view of the U-shaped block of figure 4;
FIG. 7 is a front view of a main body in embodiment 3 of the present invention;
fig. 8 is a top view of fig. 7.
Detailed Description
The following is further detailed by way of specific embodiments:
reference numerals in the drawings of the specification include: main part 1, bar groove 11, arc 12, locating lever 13, installation piece 14, first body of rod 2, second body of rod 21, fixed block 3, second frenulum 31, arc lead to groove 32, support groove 33, pivot 4, U-shaped piece 6, fixture block 61.
Example 1
A multipoint fixing device suitable for PICC catheterization and artery puncture catheterization is shown in figures 1 and 2 and comprises a main body 1 and a fixing block 3, wherein the rear side wall of the main body 1 is attached to the back of a patient, and the cross section of the rear side wall of the main body 1 is arc-shaped and can be better attached to the back of the patient; the rear side wall of main part 1 has two first frenulums through round pin hub fixation, and two first frenulums also lie in main part 1 about both ends respectively, and in the actual implementation, the one end that main part 1 was kept away from in two first frenulums is fixed with the magic through the needle and thread and pastes, and two first frenulums pass through the magic and paste the connection. Two arc plates 12 are welded at the top of the main body 1, the two arc plates 12 are respectively positioned at the left end and the right end of the main body 1 along vertical projection, and the longitudinal section of each arc plate 12 is in a U shape with a downward opening. In the actual implementation, also can all glue two third bridles at the top of every arc 12, the third bridle adopts the material that can't take place elastic deformation, and the width of third bridle is greater than the width of first bridle, when carrying out the PICC puncture, patient's head need to puncture one side swing and paste with the shoulder position of this side, and the third bridle can bypass patient's forehead this moment, makes patient's head keep the state after the rotation, further reduces the work load that medical staff oppressed.
The back lateral wall of main part 1 transversely is equipped with the bar groove 11, be equipped with the bracing piece in the bar groove 11, the bracing piece in this embodiment includes the first body of rod 2 and the second body of rod 21, the left end of the first body of rod 2 is located the middle part in bar groove 11, be equipped with pivot 4 on the main part 1, the lower extreme of pivot 4 runs through the top in bar groove 11 and the left end of the first body of rod 2, and extend to the bottom in bar groove 11, and the lower extreme of pivot 4 and the bottom screw-thread fit in bar groove 11, make the first body of rod 2 articulated through pivot 4 and main part 1. The right-hand member of the first body of rod 2 extends to the right side of bar groove 11, and the left end of the second body of rod 21 is articulated with the right-hand member of the first body of rod 2, and the rotation center of the second body of rod 21 is vertical.
Fixed block 3 is located the right side of main part 1, and the bottom of fixed block 3 is fixed with two fourth frenulums through the round pin axle, and the fourth frenulum can be fixed block 3 with the railing, further avoids fixed block 3 to remove. The top of fixed block 3 is equipped with the arc and leads to groove 32, and the front side that the arc leads to groove 32 is equipped with a plurality of second frenulums 31, and a plurality of second frenulums 31 all splices at the top of fixed block 3, and second frenulum 31 in this embodiment adopts the elastic webbing, and is equipped with plain noodles and the hair side of current magic subsides on the second frenulum 31, and the plain noodles and the hair side are close to the middle part of second frenulum 31 respectively and keep away from the tip of fixed block 3. The rear end of the arc-shaped through groove 32 is hinged with a plurality of positioning rings, and the positioning rings correspond to the second lacing bands 31 one by one.
A plurality of supporting grooves 33 with openings facing left are arranged in the fixed block 3, the supporting grooves 33 are all parallel to the first rod body 2 and the second rod body 21, and the right part of the first rod body 2 and the second rod body 21 are positioned in the supporting grooves 33 and can slide along the axial direction relative to the supporting grooves 33. The cross sections of the first rod 2, the second rod 21 and the supporting groove 33 in this embodiment are all square.
The right-hand member of main part 1 and the equal transverse welding of left end have locating lever 13, and the left wall of fixed block 3 is equipped with a plurality of openings towards the constant head tank on the left, constant head tank and support groove 33 one-to-one, and locating lever 13 and constant head tank sliding fit to when first body of rod 2 and the second body of rod 21 slide in support groove 33 after, locating lever 13 slides in the constant head tank that corresponds, fix a position fixed block 3.
The specific implementation process is as follows:
taking venipuncture of the right wall as an example, the fixing block 3 is slid leftward to slide the positioning rod 13 into the positioning groove, thereby positioning the fixing block 3. When a patient is fixed, the main body 1 is attached to the back of the patient, the two arc-shaped plates 12 are pressed on the shoulders of the patient, and the arc-shaped plates 12 are far away from the puncture part. Then the first fastening band is passed around the waist of the patient and fixed to each other by means of the hook and loop fasteners, and the main body 1 is fixed to the body of the patient.
Then put into arc logical groove 32 with patient's arm to it is fixed with relative first frenulum and second frenulum 31, restrict patient's arm, avoid patient's arm to rock or lift up for the health front and back, so need not medical staff and press patient's arm, reduce medical staff's work load, also avoid pressing the arm that medical staff to carry out the puncture causes the hindrance to medical staff's the operation.
When needs puncture the left hand, rotate first body of rod 2 to the left side that can rotate first body of rod 2, second body of rod 21 and fixed block 3 to main part 1 with first body of rod 2, and change the support groove 33 that first body of rod 2 and second body of rod 21 slided in and can finely tune the position of fixed block 3 for main part 1 to the patient that adapts to different positions, different sizes uses.
When puncturing the arm artery of the patient, as shown in fig. 3, the first rod body 2 slides out of the supporting groove 33, then the second rod body 21 is rotated forwards relative to the first rod body 2, the second rod body 21 and the fixing block 3 can be rotated to the front of the body of the patient, and the arm of the patient is supported when the arm of the patient is straightened forwards. In actual practice, the positioning rod 13 may be welded to the front side of the main body 1, and the fixing block 3 may be positioned by the positioning rod 13 in the same manner.
Example 2
On the basis of embodiment 1, as shown in fig. 4, in this embodiment, an installation block 14 is welded to the left end of the first rod 2, and the connection position of the first rod 2 and the installation block 14 is located at the lower end of the installation block 14. A second channel is vertically arranged on the mounting block 14, and the lower end of the rotating shaft 4 penetrates through the mounting block 14; the upper end of the mounting block 14 is provided with a first channel, as shown in fig. 5, after the mounting block 14 rotates by 90 degrees, the bottom of the rotating shaft 4 passes through the first channel to position the mounting block 14, and at this time, a limit space is formed between the first rod body 2 and the first channel.
The right side of installation piece 14 is equipped with U-shaped piece 6, combine fig. 6 to show, the tip integrated into one piece of U-shaped piece 6 has fixture block 61, and the width of fixture block 61 is greater than the width at both ends about U-shaped piece 6, and the right-hand member of main part 1 is equipped with the L-shaped groove, and U-shaped piece 6 can slide into the L-shaped inslot left and with L-shaped groove joint, fixture block 61 and L-shaped groove cooperation this moment for U-shaped piece 6 can't follow the radial main part 1 of the first body of rod 2 and drop, fixes a position first body of rod 2.
When the patient suffers from diseases such as heart failure, be difficult to lie flat and puncture on the sick bed, but puncture on the sick bed with seat or half-seat, can pass the cavity on the railing of sick bed head of a bed position with installation piece 14 to transversely extend the side of railing with first body of rod 2 from the rear side of back, and fix a position first body of rod 2 through U-shaped piece 6, can be connected main part 1 and railing this moment, make the unable fore-and-aft swing upper half of patient, further reduce medical staff and carry out the degree of difficulty of oppressing to the patient.
Example 3
On the basis of embodiment 1 or embodiment 2, as shown in fig. 7, the main body 1 in this embodiment includes a left half body and a right half body, a plurality of sawtooth blocks are integrally formed on a right wall of the left half body and a left wall of the right half body, the plurality of sawtooth blocks are vertically distributed with a gap, the sawtooth blocks on the left half body and the right half body are meshed with each other, a rotating shaft 4 vertically penetrates through the aligned sawtooth blocks and is in threaded connection with the lowest sawtooth block, and the left half body and the right half body are connected through the rotating shaft 4. In actual implementation, a plurality of rotating shafts 4 are arranged, so that the fixing effect on the sawteeth is improved.
As shown in fig. 8, the thickness of the sawteeth on the left half body gradually decreases from left to right, the thickness of the sawteeth on the right half body gradually increases from left to right, and the lower surface of the sawteeth of the left half body and the lower surface of the left half body are located on the same plane.
When the patient lies flat on the bed for puncturing, the body 1 can be removed without the patient completely lifting the upper body: the rotating shaft 4 is firstly detached, then the right body of the patient is lifted, the patient is enabled to turn left for a certain angle, the right half body is loosened, and the right half body can be taken out rightwards at the moment. Then relax the patient, the left side health of patient falls on the left halfbody this moment, and because the upper surface slope of the serration on the left halfbody, can cushion the patient to improve the comfort level of lying, then lift the left side health of patient and can take out the left halfbody again. In the actual implementation, the left half body in the scheme can also be used as a lifting pad, so that the patient can keep the turned-over state, and the bedsore caused by the fact that the patient keeps a lying posture for a long time is avoided.
The foregoing is merely an example of the present invention and common general knowledge in the art of designing and/or characterizing particular aspects and/or features is not described in any greater detail herein. It should be noted that, for those skilled in the art, without departing from the technical solution of the present invention, several variations and modifications can be made, which should also be regarded as the protection scope of the present invention, and these will not affect the effect of the implementation of the present invention and the practicability of the patent. The scope of the claims of the present application shall be determined by the contents of the claims, and the description of the embodiments and the like in the specification shall be used to explain the contents of the claims.
Claims (10)
1. The utility model provides a multiple spot fixing device suitable for PICC puts a tub art and an artery puncture puts a tub art which characterized in that: the novel fixing device comprises a main body and a fixing block, wherein two arc-shaped plates are fixed at the top of the main body, the longitudinal sections of the two arc-shaped plates are U-shaped with downward openings, the vertical projections of the two arc-shaped plates are respectively positioned at the two ends of the main body, first tying belts are fixed at the two ends of the main body, and two third tying belts are fixed at the tops of the two arc-shaped plates; the side wall of the main body is hinged with a support rod, the rotating center of the support rod is vertical, and the projections of the arc-shaped plate and the support rod along the vertical direction are respectively positioned on two sides of the main body; the fixed block is provided with a supporting groove with an opening facing the main body, the supporting groove and the fixed block are both horizontal, one end of the supporting rod, which is far away from the main body, transversely extends into the supporting groove, and the supporting rod is connected with the supporting groove in a sliding manner; the top of fixed block is equipped with opening arc logical groove up and follows length direction interval distribution in proper order and has a plurality of second frenulums.
2. The multi-point fixation device for PICC and arteriopuncture catheterization of claim 1, wherein: the support groove on the fixed block is provided with a plurality of, and a plurality of support grooves are all parallel with the bracing piece.
3. The multi-point fixation device for PICC and arteriopuncture catheterization of claim 2, wherein: the main part is equipped with the opening towards the bar groove of bracing piece, the bar groove transversely runs through the main part and is used for holding the bracing piece.
4. The multi-point fixation device for PICC and arteriopuncture catheterization of claim 3, wherein: the main part is connected through the pivot rotation with the bracing piece, the pivot upper end run through the top of main part and with main part screw-thread fit.
5. The multi-point fixation device for PICC and arteriopuncture catheterization of claim 2, wherein: the main part all is fixed with the locating lever towards the tip of fixed block and keeping away from the fixed block, the locating lever is parallel with the bracing piece, the one end that the fixed block is close to the main part is equipped with the constant head tank of a plurality of openings towards the main part, and constant head tank and arc lead to groove one-to-one, locating lever and constant head tank sliding fit.
6. The multi-point fixation device for PICC and arteriopuncture catheterization of claim 4, wherein: the supporting rod comprises a first rod body and a second rod body, one end of the second rod body close to the first rod body is hinged with the first rod body, and the rotating center of the first rod body is vertical; one end of the first rod body, which is far away from the second rod body, is hinged with the main body; the first rod body and the second rod body are in sliding fit with the supporting groove.
7. The multi-point fixation device for PICC and arteriopuncture catheterization of claim 6, wherein: the right-hand member that the second body of rod was kept away from to the first body of rod is fixed with the installation piece, the installation piece can rotate and can dismantle with the main part relatively the main part and be connected.
8. The multi-point fixation device for PICC and arteriopuncture catheterization of claim 7, wherein: the mounting block is provided with a first channel and a second channel, the first channel is vertical, the second channel is horizontal, the projections of the first channel and the second channel are both vertical to the first rod body, and the rotating shaft is connected with the first channel and the second channel in a sliding manner; a limiting space is formed between the first rod body and the first channel; the main part is detachably connected with a U-shaped block, and the U-shaped block presses the first rod body on the main part.
9. The multi-point fixation device for PICC and arteriopuncture catheterization of claim 4, wherein: the main part includes left halfbody and right halfbody, the right part of left halfbody and the left part of right halfbody all are fixed with a plurality of sawtooth blocks along vertical clearance, and the sawtooth block on the left halfbody meshes with the sawtooth block on the right halfbody, the pivot along vertical run through the sawtooth block of alignment and with sawtooth block threaded connection of below.
10. The multi-point fixation device for PICC and arteriopuncture catheterization of claim 9, wherein: the thickness of the right end of the sawtooth block of the left half body is smaller than that of the left end; the thickness of the left end of the sawtooth block on the right half body is smaller than that of the right end.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111370652.0A CN114053527B (en) | 2021-11-18 | 2021-11-18 | Multi-point fixing device suitable for PICC catheterization and arteriopuncture catheterization |
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| CN202111370652.0A CN114053527B (en) | 2021-11-18 | 2021-11-18 | Multi-point fixing device suitable for PICC catheterization and arteriopuncture catheterization |
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| CN114053527B CN114053527B (en) | 2023-07-07 |
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