CN112245765A - PICC that can increase puncture success rate puts a tub fixing device - Google Patents
PICC that can increase puncture success rate puts a tub fixing device Download PDFInfo
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- CN112245765A CN112245765A CN202011134487.4A CN202011134487A CN112245765A CN 112245765 A CN112245765 A CN 112245765A CN 202011134487 A CN202011134487 A CN 202011134487A CN 112245765 A CN112245765 A CN 112245765A
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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
- A61M25/00—Catheters; Hollow probes
- A61M25/01—Introducing, guiding, advancing, emplacing or holding catheters
- A61M25/0105—Steering means as part of the catheter or advancing means; Markers for positioning
- A61M25/0113—Mechanical advancing means, e.g. catheter dispensers
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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
- A61M25/00—Catheters; Hollow probes
- A61M25/01—Introducing, guiding, advancing, emplacing or holding catheters
- A61M25/0105—Steering means as part of the catheter or advancing means; Markers for positioning
- A61M25/0116—Steering means as part of the catheter or advancing means; Markers for positioning self-propelled, e.g. autonomous robots
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Abstract
The invention provides a PICC (peripherally inserted central catheter) catheter placement fixing device capable of increasing the success rate of puncture, relates to the technical field of PICC catheter placement, and solves the problem that when the PICC catheter placement fixing device is applied and once a hand of a PICC catheter placement person holding an ultrasonic probe drives the ultrasonic probe to move for a certain position, the puncture fails due to the movement of an arm or the probe during catheter placement, and accurate puncture cannot be realized. The utility model provides a can increase PICC of puncture success rate and put a tub fixing device, includes the rectangle seat, slidable mounting has reciprocating mechanism around on the rectangle seat, and slidable mounting has reciprocating mechanism from top to bottom on reciprocating mechanism around and. PICC puts a tub personnel accessible and twists two butterfly fastening screw B along screw through-hole screw thread for the circular block rubber of two butterfly fastening screw B double-screw bolt tail end fixed mounting extrudes the rectangle returning face plate gradually, and the rectangle returning face plate rotates certain angle through the pivot with the protruding cooperation of U type along the pivot, thereby makes better laminating mutually with patient's arm surface of needle guide, realizes accurate puncture.
Description
Technical Field
The invention belongs to the technical field of PICC (peripherally inserted central catheter) catheterization, and particularly relates to a PICC catheterization fixing device capable of increasing the success rate of puncture.
Background
Central vein catheterization through peripheral venipuncture (PICC catheterization) is realized by utilizing a catheter to perform puncture from veins of peripheral arms, the catheter directly reaches the great veins close to the heart, the direct contact between chemotherapy drugs and the veins of the arms is avoided, and the blood flow speed of the great veins is high, so that the chemotherapy drugs can be quickly diluted, and the stimulation of the drugs to blood vessels is prevented.
For example, application No.: CN201710260373.6 the invention discloses a multifunctional PICC catheterization device, which comprises a support plate, wherein two connecting plates are welded on the front side and the rear side of the support plate, supporting legs are respectively connected on the outer sides of the connecting plates on the two sides through short shafts, two first electric telescopic rods are connected on the lower surfaces of the supporting legs through bolts, a fixing plate can be driven to move up and down through the first electric telescopic rods, the arms of a patient can be fixed through the fixing plate, a needle fixing ring can be driven to move through a second electric telescopic rod, so that a needle can be inserted into the body of the patient, the needle can be inserted more conveniently, the blood vessel of the patient can be tightly pressed through a tourniquet, the operation is simpler and more convenient, multiple functions can be realized, the multifunctional PICC catheterization device has a simple structure and is convenient to operate, the PICC device can be positioned more conveniently, the needle can be positioned more accurately, and the needle shaking can be prevented from, but also multiple functions.
Based on the retrieval of above-mentioned patent to and combine the equipment discovery among the prior art, when present PICC puts a tub puncture, need PICC to put a tub personnel one hand and fix ultrasonic probe, make it laminate mutually with patient's arm, another hand is handheld the pjncture needle and is through carrying out the puncture operation along the needle guide slot of fixed mounting on ultrasonic probe, but this mode of operation is extremely inconvenient swift and stable, if when using, in case when the PICC who holds ultrasonic probe puts a tub personnel hand and drives ultrasonic probe a certain position removal, will lead to when putting the tub because the puncture failure that arm or probe removal lead to, can't realize accurate puncture.
Disclosure of Invention
In order to solve the technical problems, the invention provides a PICC (peripherally inserted central catheter) catheter fixing device capable of increasing the success rate of puncture, which aims to solve the problems that when the existing PICC catheter is used for puncture, a PICC catheter placer needs one hand to fix an ultrasonic probe so that the ultrasonic probe is attached to the arm of a patient, and the other hand holds a puncture needle to perform puncture operation along a needle guide groove fixedly arranged on the ultrasonic probe, but the operation mode is extremely inconvenient and stable, and if the operation mode is applied, once the hand of the PICC catheter placer holding the ultrasonic probe drives the ultrasonic probe to move for a certain position, the puncture failure caused by the movement of the arm or the probe during catheter placement can be caused, and accurate puncture cannot be realized.
The invention relates to a PICC (peripherally inserted central catheter) catheter placement fixing device capable of increasing the success rate of puncture, which is achieved by the following specific technical means:
a PICC catheterization fixing device capable of increasing the success rate of puncture comprises a rectangular seat, wherein a front-back reciprocating mechanism is slidably mounted on the rectangular seat, and an up-down reciprocating mechanism is slidably mounted on the front-back reciprocating mechanism; reciprocating mechanism is including the rectangle returning face plate from top to bottom, elasticity bandage B, the rectangle lacks groove and pivot, rectangle returning face plate rear end face is provided with two elasticity bandage B, semi-circular structure is adopted to rectangle returning face plate bottom, and rectangle returning face plate bottom middle part has seted up a rectangle and has lacked the groove, the rectangle lacks the groove and is provided with a pivot for semi-circular structure axle center position, under the installation state, pivot and the protruding semi-circular structure axle center position of U type are seted up some pivot holes and are rotated and be connected, the preceding terminal surface of rectangle returning face plate is connected with two reset spring stationary phases, and when reset spring was in under the ordinary extension state, terminal surface was laminated with the rectangular plate rear end face before the rectangle returning face plate.
Further, the rectangle seat is including fixed mounting panel, isosceles trapezoid spout A, the arc recess, silica gel bed course and elasticity bandage A, the fixed mounting panel of seting up the installation hole site is all welded at rectangle seat left end face and right-hand member face both sides edge position, an isosceles trapezoid spout A has all been seted up on rectangle seat left end face and the right-hand member face, and isosceles trapezoid spout A runs through preceding terminal surface of rectangle seat and rear end face, an arc recess has been seted up to rectangle seat top end face, and arc groove part bonds there is one deck silica gel bed course, rectangle seat top end face rear side is provided with three elasticity bandage A for arc groove part.
Further, the front and back reciprocating mechanism comprises a concave block, a rectangular extension block, an isosceles trapezoid sliding groove B and a strip-shaped circular slide way, the rectangular extension block of an integrated structure is arranged in the middle of the top end face of the concave block, the rear end face of the rectangular extension block is provided with the isosceles trapezoid sliding groove B, the isosceles trapezoid sliding groove B penetrates through the top end face of the rectangular extension block and the top face of the inner concave end of the concave block, and the strip-shaped circular slide way communicated with the rectangular extension block is arranged at the position, corresponding to the isosceles trapezoid sliding groove B, of the front end face of the rectangular extension block.
Further, the front-back reciprocating mechanism comprises an isosceles trapezoid sliding block A, balls A and butterfly-shaped fastening screws A, the left side face and the right side face of the concave end of the concave block are symmetrically provided with the isosceles trapezoid sliding block A, the two balls A are respectively embedded and rotatably mounted on the plane of the isosceles trapezoid sliding block A and the two inclined end faces, the left end face and the right end face of the concave block are respectively in threaded connection with the butterfly-shaped fastening screws A, and the butterfly-shaped fastening screws A penetrate through the concave end area of the concave block.
Further, isosceles trapezoid slider A size is less than isosceles trapezoid spout A size, and under the reciprocating mechanism installation state, two isosceles trapezoid slider A are located two isosceles trapezoid spout A respectively, and isosceles trapezoid slider A does not contact with isosceles trapezoid spout A inner terminal surface, and isosceles trapezoid slider A slides along isosceles trapezoid spout A through ball A and is connected, and spill piece indent end left end face and right-hand member face all do not contact with rectangle seat left end face and right-hand member face, and spill piece indent end top end face is higher than rectangle seat top end face four centimetres.
Further, the up-down reciprocating mechanism comprises a rectangular plate, an isosceles trapezoid sliding block B, balls B, studs and butterfly fastening nuts, wherein the front end face of the rectangular plate is provided with the isosceles trapezoid sliding block B, two inclined end faces of the isosceles trapezoid sliding block B are respectively embedded with the two balls B in a rotating manner, the left side edge part and the right side edge part of the front end plane of the isosceles trapezoid sliding block B are respectively embedded with the two balls B in a rotating manner, the middle part of the front end plane of the isosceles trapezoid sliding block B is fixedly connected with the studs, the studs are in threaded connection with the butterfly fastening nuts, the size of the isosceles trapezoid sliding block B is smaller than that of the isosceles trapezoid sliding chute B, the isosceles trapezoid sliding block B is positioned in the isosceles trapezoid sliding chute B in the installation state of the up-down reciprocating mechanism, the isosceles trapezoid sliding block B is not in contact with the inner end face of the isosceles trapezoid sliding chute B, and the isosceles trapezoid sliding, the front end face of the rectangular plate is not contacted with the rear end face of the concave block and the rear end face of the rectangular extension block, the stud is positioned in the strip-shaped circular slideway, and the butterfly-shaped fastening nut is positioned at the front side part of the rectangular extension block.
Further, the up-and-down reciprocating mechanism comprises cylindrical protrusions, butterfly-shaped fastening screws B, thread through holes and circular rubber blocks, the cylindrical protrusions are arranged on the upper side portions of the left end face and the right end face of the rectangular plate, the axial lines of the cylindrical protrusions and the isosceles trapezoid-shaped sliding blocks B form a forty-five-degree included angle, the thread through holes are formed in the axial centers of the two cylindrical protrusions, the butterfly-shaped fastening screws B are connected into the two thread through holes in a threaded mode, and the circular rubber blocks are fixedly mounted at the tail ends of the two butterfly-shaped fastening screws B.
Further, reciprocating mechanism is including U type arch, circular groove and the reset spring of accomodating, and rectangular plate rear end face has been seted up two circular grooves of accomodating, and two circular inslots of accomodating equal fixedly connected with reset spring of accomodating, and rectangular plate rear end face downside edge part position is provided with a U type arch, and a pivot hole has been seted up at the protruding semicircular structure axle center position of U type.
Compared with the prior art, the invention has the following beneficial effects:
when the device is applied, the arm of a patient is placed in the arc-shaped groove bonded with the silica gel cushion layer, the part of the forearm of the patient, which is far away from the tube placing part, is limited and fixed in the arc-shaped groove through the three elastic bandages A, and the part of the upper arm of the patient, which is far away from the tube placing part, is not limited and fixed, so that the blockage caused by the extrusion of a puncture blood vessel when the PICC tube is placed is avoided.
Before the tube is placed, the ultrasonic probe is fixedly arranged on the rear end surface of the rectangular turnover plate in a limiting way through an elastic bandage B, when the position is adjusted, the ultrasonic probe can be in sliding fit along an isosceles trapezoid sliding groove A through a ball A, the front-back reciprocating mechanism moves smoothly and unimpededly to enable the ultrasonic probe to correspond to the puncture mark point, two butterfly-shaped fastening screws A are tightened through rotation to enable the screw column end to be closely attached to the left end surface and the right end surface of the rectangular seat, the front-back reciprocating mechanism after the position is adjusted is limited and fixed, then the front-back reciprocating mechanism moves smoothly and unimpededly up-down reciprocating mechanism through the sliding fit of the ball B and the isosceles trapezoid sliding groove B at the moment, the ultrasonic probe is enabled to be in contact with the puncture mark point to determine the puncture position of the punctured blood vessel again, and at the moment, the butterfly-shaped fastening nuts can, the butterfly-shaped fastening nut is tightly attached to the rear end face of the rectangular extension block, the upper reciprocating mechanism and the lower reciprocating mechanism after position adjustment are limited and fixed, and the position of the ultrasonic probe is kept unchanged.
When the puncture needle punctures along the groove of the needle guide fixedly arranged on the ultrasonic probe, in order to ensure that the needle guide is better attached to the surface of the arm of a patient so as to ensure the success rate of puncture, at the moment, a PICC cathetering person can twist two butterfly-shaped fastening screws B along the thread through hole, so that the circular rubber block fixedly arranged at the tail ends of the studs of the two butterfly fastening screws B gradually extrudes the rectangular turnover plate, the return spring accommodated in the circular accommodating groove is gradually stretched under the extrusion of the circular rubber block and the butterfly-shaped fastening screw B, the rectangular turnover plate is matched with the U-shaped bulge through the rotating shaft and rotates for a certain angle along the rotating shaft, thereby make better and the laminating of patient's arm surface of needle guide mutually, realize accurate puncture, and through butterfly fastening screw B with reset spring's setting, guarantee that the rectangle returning face plate position after this angle modulation remains unchanged, the PICC person of putting the pipe of being convenient for carries out the puncture operation of pjncture needle. The device can fix the arm and prevent the catheter bracket from moving.
Drawings
Fig. 1 is a rear end axial view structural schematic diagram of the present invention.
Fig. 2 is a front end axial view structural schematic diagram of the present invention.
FIG. 3 is a rear end axial view of the reciprocating mechanism of the present invention.
FIG. 4 is a front end axial view of the reciprocating mechanism of the present invention.
FIG. 5 is a schematic axial view of the front end of the vertical reciprocating mechanism of the present invention.
FIG. 6 is a schematic axial view of the rear end of the vertical reciprocating mechanism of the present invention.
Fig. 7 is a longitudinal sectional structural view of the up-down reciprocating mechanism of the present invention.
FIG. 8 is a cross sectional view of the up-down reciprocating mechanism of the present invention.
Fig. 9 is a schematic view of a partially enlarged structure of the isosceles trapezoid sliding block a and the isosceles trapezoid sliding groove a in a matching state.
Fig. 10 is a schematic view of a partially enlarged structure of the isosceles trapezoid sliding block B and the isosceles trapezoid sliding groove B in a matching state.
In the drawings, the corresponding relationship between the component names and the reference numbers is as follows:
1. a rectangular base; 101. fixing the mounting plate; 102. an isosceles trapezoid chute A; 103. an arc-shaped groove; 104. a silica gel cushion layer; 105. an elastic bandage A; 2. a front-back reciprocating mechanism; 201. a concave block; 202. a rectangular extension block; 203. an isosceles trapezoid chute B; 204. a strip-shaped circular slideway; 205. an isosceles trapezoid slider A; 206. a ball A; 207. butterfly fastening screws A; 3. an up-down reciprocating mechanism; 301. a rectangular plate; 302. an isosceles trapezoid slider B; 303. a ball B; 304. a stud; 305. butterfly-shaped fastening nuts; 306. a columnar protrusion; 307. butterfly fastening screws B; 308. a rectangular turnover plate; 309. an elastic bandage B; 3010. a rectangular notch; 3011. a U-shaped bulge; 3012. a circular receiving groove; 3013. a return spring; 3014. a rotating shaft; 3015. a threaded through hole; 3016. a circular rubber block.
Detailed Description
The embodiments of the present invention will be described in further detail with reference to the drawings and examples. The following examples are intended to illustrate the invention but are not intended to limit the scope of the invention.
In the description of the present invention, "a plurality" means two or more unless otherwise specified; the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "head", "tail", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are only for convenience in describing and simplifying the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, should not be construed as limiting the invention. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "connected" and "connected" are to be interpreted broadly, e.g., as being fixed or detachable or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Example (b):
as shown in figures 1 to 10:
the invention provides a PICC catheterization fixing device capable of increasing the success rate of puncture, which comprises: the device comprises a rectangular base 1, wherein a front-back reciprocating mechanism 2 is slidably mounted on the rectangular base 1, and an up-down reciprocating mechanism 3 is slidably mounted on the front-back reciprocating mechanism 2; the rectangular seat 1 comprises a fixed mounting plate 101, isosceles trapezoid sliding grooves A102, arc-shaped grooves 103, a silica gel cushion layer 104 and elastic binding bands A105, the edge parts of two sides of the left end surface and the right end surface of the rectangular seat 1 are welded with the fixed mounting plate 101 provided with mounting hole positions, the left end surface and the right end surface of the rectangular seat 1 are provided with the isosceles trapezoid sliding grooves A102, the isosceles trapezoid sliding grooves A102 penetrate through the front end surface and the rear end surface of the rectangular seat 1, the top end surface of the rectangular seat 1 is provided with the arc-shaped grooves 103, the silica gel cushion layer 104 is bonded at the positions of the arc-shaped grooves 103, and the rear side of the top end surface of the rectangular seat 1 is provided with the three elastic; the up-down reciprocating mechanism 3 comprises a rectangular plate 301, an isosceles trapezoid slider B302, balls B303, studs 304 and butterfly fastening nuts 305, wherein the front end face of the rectangular plate 301 is provided with an isosceles trapezoid slider B302, two inclined end faces of the isosceles trapezoid slider B302 are respectively embedded with two balls B303 in a rotating manner, the left side edge part and the right side edge part of the front end plane of the isosceles trapezoid slider B302 are respectively embedded with two balls B303 in a rotating manner, the middle part of the front end plane of the isosceles trapezoid slider B302 is fixedly connected with a stud 304, the stud 304 is in threaded connection with a butterfly fastening nut 305, the size of the isosceles trapezoid slider B302 is smaller than that of the isosceles trapezoid sliding chute B203, the isosceles trapezoid slider B302 is positioned in the isosceles trapezoid sliding chute B203 in the installation state of the up-down reciprocating mechanism 3, the isosceles trapezoid slider B302 is not in contact with the inner end face of the isosceles trapezoid sliding chute B203, the isosceles trapezoid slider B302 is connected with the isosceles trapezoid sliding chute B, the front end face of the rectangular plate 301 is not contacted with the rear end face of the concave block 201 and the rear end face of the rectangular extension block 202, the stud 304 is positioned in the strip-shaped circular slideway 204, and the butterfly fastening nut 305 is positioned at the front side part of the rectangular extension block 202; the up-down reciprocating mechanism 3 comprises a rectangular turnover plate 308, elastic bandages B309, rectangular notches 3010 and a rotating shaft 3014, two elastic bandages B309 are arranged on the rear end face of the rectangular turnover plate 308, the bottom end of the rectangular turnover plate 308 adopts a semicircular structure, a rectangular notch 3010 is formed in the middle of the bottom end of the rectangular turnover plate 308, the rectangular notch 3010 is provided with a rotating shaft 3014 relative to the axis of the semicircular structure, in the installation state, the rotating shaft 3014 is connected with a rotating shaft hole formed in the axis of the semicircular structure of the U-shaped protrusion 3011 in a rotating mode, the front end face of the rectangular turnover plate 308 is fixedly connected with two reset springs 3013, and when the reset springs 3013 are in the ordinary extension state, the front end face of the rectangular turnover plate 308 is attached to the rear end face of the rectangular plate 301.
Wherein, the front-back reciprocating mechanism 2 comprises a concave block 201, a rectangular extension block 202, an isosceles trapezoid sliding groove B203 and a strip-shaped circular slideway 204, the rectangular extension block 202 of an integrated structure is arranged in the middle of the top end face of the concave block 201, the isosceles trapezoid sliding groove B203 is arranged on the rear end face of the rectangular extension block 202, the isosceles trapezoid sliding groove B203 penetrates through the top end face of the rectangular extension block 202 and the top face of the concave end of the concave block 201, and the strip-shaped circular slideway 204 communicated with the rectangular extension block 202 is arranged on the front end face of the rectangular extension block relative to the isosceles trapezoid sliding groove B203.
The front-back reciprocating mechanism 2 comprises isosceles trapezoid sliding blocks A205, balls A206 and butterfly fastening screws A207, wherein the left side surface and the right end surface of the concave end of the concave block 201 are symmetrically provided with the isosceles trapezoid sliding blocks A205, the plane of each isosceles trapezoid sliding block A205 and two inclined end surfaces of each isosceles trapezoid sliding block A205 are embedded with the two balls A206 in a rotating mode, the left end surface and the right end surface of the concave block 201 are connected with the butterfly fastening screws A207 in a threaded mode, and the butterfly fastening screws A207 penetrate through the concave end region of the concave block 201 in a threaded mode.
Wherein, isosceles trapezoid slider A205 size is less than isosceles trapezoid spout A102 size, under the fore-and-aft reciprocating mechanism 2 mounted state, two isosceles trapezoid slider A205 are located two isosceles trapezoid spout A102 respectively, and isosceles trapezoid slider A205 does not contact with isosceles trapezoid spout A102 inner terminal surface, isosceles trapezoid slider A205 slides along isosceles trapezoid spout A102 through ball A206 and is connected, spill piece 201 indent end left end face and right-hand member face all do not contact with rectangle seat 1 left end face and right-hand member face, spill piece 201 indent end top end face is higher than rectangle seat 1 top end face four centimetres.
The up-down reciprocating mechanism 3 comprises cylindrical protrusions 306, butterfly-shaped fastening screws B307, thread through holes 3015 and circular rubber blocks 3016, the cylindrical protrusions 306 are arranged on the upper side portions of the left end face and the right end face of the rectangular plate 301, the axial line of each cylindrical protrusion 306 and the isosceles trapezoid-shaped sliding block B302 form a forty-five-degree included angle, the thread through holes 3015 are formed in the axial center portions of the two cylindrical protrusions 306, each butterfly-shaped fastening screw B307 is in threaded connection with the corresponding thread through hole 3015, and the circular rubber blocks 3016 are fixedly mounted at the tail ends of the two butterfly-shaped fastening screws B307.
Wherein, the up-down reciprocating mechanism 3 is including protruding 3011 of U type, circular groove 3012 and reset spring 3013 of accomodating, and rectangular plate 301 rear end face has been seted up two circular grooves 3012 of accomodating, and two circular grooves 3012 of accomodating interior equal fixedly connected with of reset spring 3013, and rectangular plate 301 rear end face downside edge position is provided with a protruding 3011 of U type, and the protruding 3011 semicircular structure axle center position of U type has seted up a pivot hole.
When in use:
the rectangular seat 1 is fixedly arranged on an operating table by matching a fastener with a fixed mounting plate 101 provided with a mounting hole position, and the front end of the rectangular seat 1 is ensured to face a patient lying on the operating table;
the arm of the patient is placed in the arc-shaped groove 103 bonded with the silica gel cushion layer 104, the part of the forearm of the patient, which is far away from the catheter placement part, is limited and fixed in the arc-shaped groove 103 through three elastic bandages A105, and the part of the upper arm of the patient, which is far away from the catheter placement part, is not limited and fixed, so that the blockage caused by the extrusion of the punctured blood vessel when the PICC catheter is placed is avoided;
before the tube is placed, the ultrasonic probe is fixedly arranged on the rear end surface of a rectangular turnover plate 308 in a limiting way through an elastic bandage B309, when the position is adjusted, the ultrasonic probe is corresponding to the position of a puncture mark point through the sliding fit of an isosceles trapezoid sliding block A205 along an isosceles trapezoid sliding groove A102 through a ball A206, the front-back reciprocating mechanism 2 is moved smoothly and unimpededly, the stud end of the ultrasonic probe is tightly attached to the left and right end surfaces of a rectangular seat 1 through the sliding fit of a twisting two butterfly fastening screws A207, the front-back reciprocating mechanism 2 after the position is adjusted is limited and fixed, then the front-back reciprocating mechanism 2 is finely adjusted again through the sliding fit of a ball B303 and an isosceles trapezoid sliding groove B203 through the isosceles trapezoid sliding fit of the isosceles trapezoid sliding block B302, the up-down reciprocating mechanism 3 is moved smoothly and unimpededly, the ultrasonic probe is contacted with the puncture mark point to determine the puncture position of the blood vessel again, if the position is deviated, after the ultrasonic probe corresponds to the puncture position of the punctured blood vessel, the finely adjusted front-back reciprocating mechanism 2 is limited and fixed by screwing two butterfly fastening screws A207, and at the moment, the butterfly fastening nut 305 can be rotated and locked along the stud 304, so that the butterfly fastening nut 305 is tightly attached to the rear end face of the rectangular extension block 202, the position-adjusted front-back reciprocating mechanism 3 is limited and fixed, and the position of the ultrasonic probe is ensured to be kept unchanged;
when a puncture needle punctures along a needle guide groove fixedly arranged on an ultrasonic probe, in order to ensure that the needle guide better fits with the surface of the arm of a patient to ensure the success rate of the puncture, at the moment, a PICC catheterization worker can twist two butterfly fastening screws B307 along a thread through hole 3015 to ensure that a round rubber block 3016 fixedly arranged at the tail end of a stud of the two butterfly fastening screws B307 gradually extrudes a rectangular turnover plate 308, under the extrusion of the round rubber block 3016 and the butterfly fastening screws B307, a reset spring 3013 accommodated in a round accommodating groove 3012 is gradually stretched, the rectangular turnover plate 308 rotates for a certain angle along a rotating shaft 3014 by matching a rotating shaft 3014 with a U-shaped bulge 3011, so that the needle guide better fits with the surface of the arm of the patient to realize accurate puncture, and the arrangement of the butterfly fastening screws B307 and the reset spring 3013 ensures that the position of the turnover plate 308 after the angle adjustment keeps unchanged, be convenient for PICC puts the puncture operation that the pipe personnel carried out the pjncture needle.
The embodiments of the present invention have been presented for purposes of illustration and description, and are not intended to be exhaustive or limited to the invention in the form disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiment was chosen and described in order to best explain the principles of the invention and the practical application, and to enable others of ordinary skill in the art to understand the invention for various embodiments with various modifications as are suited to the particular use contemplated.
Claims (8)
1. The utility model provides a can increase PICC of puncture success rate and put a tub fixing device which characterized in that: the device comprises a rectangular base (1), wherein a front-back reciprocating mechanism (2) is arranged on the rectangular base (1) in a sliding manner, and an up-down reciprocating mechanism (3) is arranged on the front-back reciprocating mechanism (2) in a sliding manner; the up-down reciprocating mechanism (3) comprises a rectangular turnover plate (308), elastic binding bands B (309), a rectangular notch (3010) and a rotating shaft (3014), two elastic binding bands B (309) are arranged on the rear end face of the rectangular turnover plate (308), the bottom end of the rectangular turnover plate (308) adopts a semicircular structure, and the middle part of the bottom end of the rectangular overturning plate (308) is provided with a rectangular notch (3010), the rectangular notch (3010) is provided with a rotating shaft (3014) corresponding to the axle center part of the semicircular structure, in the installation state, the rotating shaft (3014) is rotatably connected with a rotating shaft hole arranged at the axle center part of the semicircular structure of the U-shaped bulge (3011), the front end surface of the rectangular turnover plate (308) is fixedly connected with two reset springs (3013), and when the return spring (3013) is in the ordinary extension state, the front end face of the rectangular turnover plate (308) is attached to the rear end face of the rectangular plate (301).
2. The PICC catheterization fixing device capable of increasing the success rate of puncture according to claim 1, characterized in that: rectangle seat (1) is including fixed mounting panel (101), isosceles trapezoid spout A (102), arc recess (103), silica gel bed course (104) and elasticity bandage A (105), rectangle seat (1) left end face and right-hand member face both sides edge part all weld fixed mounting panel (101) that the installation hole site was seted up to the one, isosceles trapezoid spout A (102) have all been seted up on rectangle seat (1) left end face and the right-hand member face, and isosceles trapezoid spout A (102) run through rectangle seat (1) preceding terminal surface and rear end face, rectangle seat (1) top end face has seted up an arc recess (103), and arc recess (103) position bonds has one deck silica gel bed course (104), rectangle seat (1) top end face rear side is provided with three elasticity bandage A (105) for arc recess (103) position.
3. The PICC catheterization fixing device capable of increasing the success rate of puncture according to claim 1, characterized in that: the front-back reciprocating mechanism (2) comprises a concave block (201), a rectangular extension block (202), an isosceles trapezoid sliding groove B (203) and a strip-shaped circular slideway (204), the rectangular extension block (202) of an integrated structure with the concave block (201) is arranged in the middle of the top end face of the concave block (201), the rear end face of the rectangular extension block (202) is provided with the isosceles trapezoid sliding groove B (203), the isosceles trapezoid sliding groove B (203) penetrates through the top end face of the rectangular extension block (202) and the top face of the inner concave end of the concave block (201), and the front end face of the rectangular extension block (202) is provided with the strip-shaped circular slideway (204) communicated with the isosceles trapezoid sliding groove B (203) relative to the position of.
4. The PICC catheterization fixing device capable of increasing the success rate of puncture according to claim 3, characterized in that: the front-back reciprocating mechanism (2) comprises isosceles trapezoid sliding blocks A (205), balls A (206) and butterfly fastening screws A (207), the left side face and the right end face of the concave end of the concave block (201) are symmetrically provided with the isosceles trapezoid sliding blocks A (205), the planes of the isosceles trapezoid sliding blocks A (205) and the two inclined end faces are embedded with the two balls A (206) in a rotating mode, the left end face and the right end face of the concave block (201) are connected with the butterfly fastening screws A (207) in a threaded mode, and the butterfly fastening screws A (207) penetrate through the concave end area of the concave block (201) in a threaded mode.
5. The PICC catheterization fixing device capable of increasing the success rate of puncture according to claim 4, characterized in that: the size of the isosceles trapezoid sliding block A (205) is smaller than that of the isosceles trapezoid sliding groove A (102), under the installation state of the front-back reciprocating mechanism (2), the two isosceles trapezoid sliding blocks A (205) are respectively located in the two isosceles trapezoid sliding grooves A (102), the isosceles trapezoid sliding blocks A (205) are not in contact with the inner end faces of the isosceles trapezoid sliding grooves A (102), the isosceles trapezoid sliding blocks A (205) are connected in a sliding mode along the isosceles trapezoid sliding grooves A (102) through the balls A (206), the left end face and the right end face of the concave end of the concave block (201) are not in contact with the left end face and the right end face of the rectangular seat (1), and the top end face of the concave end of the concave block (201) is four centimeters higher than the top end face of the rectangular seat (.
6. The PICC catheterization fixing device capable of increasing the success rate of puncture according to claim 1, characterized in that: the up-down reciprocating mechanism (3) comprises a rectangular plate (301), an isosceles trapezoid sliding block B (302), balls B (303), studs (304) and butterfly fastening nuts (305), wherein the front end surface of the rectangular plate (301) is provided with the isosceles trapezoid sliding block B (302), two inclined end surfaces of the isosceles trapezoid sliding block B (302) are respectively embedded and rotatably provided with the two balls B (303), the left side edge part and the right side edge part of the front end plane of the isosceles trapezoid sliding block B (302) are respectively embedded and rotatably provided with the two balls B (303), the middle part of the front end plane of the isosceles trapezoid sliding block B (302) is fixedly connected with the stud (304), the stud (304) is in threaded connection with the butterfly fastening nut (305), the size of the isosceles trapezoid sliding block B (302) is smaller than that of the isosceles trapezoid sliding chute B (203), and the up-down reciprocating mechanism (3) is in a mounting state, the isosceles trapezoid sliding block B (302) is located in the isosceles trapezoid sliding groove B (203), the isosceles trapezoid sliding block B (302) is not in contact with the inner end face of the isosceles trapezoid sliding groove B (203), the isosceles trapezoid sliding block B (302) is connected with the inner end face of the isosceles trapezoid sliding groove B (203) in a sliding mode through a ball B (303), the front end face of the rectangular plate (301) is not in contact with the rear end face of the concave block (201) and the rear end face of the rectangular extension block (202), the stud (304) is located in the strip-shaped circular slideway (204), and the butterfly-shaped fastening nut (305) is located at the front side portion of the rectangular extension block (202).
7. The PICC catheterization fixing device capable of increasing the success rate of puncture according to claim 1, characterized in that: the up-and-down reciprocating mechanism (3) comprises cylindrical protrusions (306), butterfly-shaped fastening screws B (307), thread through holes (3015) and circular rubber blocks (3016), the upper side parts of the left end face and the right end face of the rectangular plate (301) are respectively provided with one cylindrical protrusion (306), the axial lead of each cylindrical protrusion (306) and the isosceles trapezoid sliding block B (302) form a forty-five-degree included angle, the axial center parts of the two cylindrical protrusions (306) are respectively provided with one thread through hole (3015), each of the two thread through holes (3015) is internally provided with one butterfly-shaped fastening screw B (307) in a threaded connection mode, and the tail ends of the two butterfly-shaped fastening screws B (307) are respectively and fixedly provided with one circular rubber block (3016).
8. The PICC catheterization fixing device capable of increasing the success rate of puncture according to claim 1, characterized in that: the vertical reciprocating mechanism (3) comprises a U-shaped protrusion (3011), a circular accommodating groove (3012) and a reset spring (3013), the rear end face of the rectangular plate (301) is provided with two circular accommodating grooves (3012), the two circular accommodating grooves (3012) are internally and fixedly connected with one reset spring (3013), the lower edge of the rear end face of the rectangular plate (301) is provided with the U-shaped protrusion (3011), and the axle center of the U-shaped protrusion (3011) and the axle center of the semicircular structure are provided with a rotating shaft hole.
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| CN202011134487.4A CN112245765B (en) | 2020-10-21 | 2020-10-21 | PICC that can increase puncture success rate puts a tub fixing device |
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| CN202011134487.4A CN112245765B (en) | 2020-10-21 | 2020-10-21 | PICC that can increase puncture success rate puts a tub fixing device |
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| CN112245765B (en) | 2022-06-21 |
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