CN114344678B - Guide wire length measuring device and method for ERCP - Google Patents
Guide wire length measuring device and method for ERCP Download PDFInfo
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- CN114344678B CN114344678B CN202111671797.4A CN202111671797A CN114344678B CN 114344678 B CN114344678 B CN 114344678B CN 202111671797 A CN202111671797 A CN 202111671797A CN 114344678 B CN114344678 B CN 114344678B
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- guide wire
- fixing
- measuring
- ring
- wire
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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
- A61M25/09—Guide wires
- A61M25/0905—Guide wires extendable, e.g. mechanisms for extension
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
- A61L2/00—Methods or apparatus for disinfecting or sterilising materials or objects other than foodstuffs or contact lenses; Accessories therefor
- A61L2/16—Methods or apparatus for disinfecting or sterilising materials or objects other than foodstuffs or contact lenses; Accessories therefor using chemical substances
- A61L2/18—Liquid substances or solutions comprising solids or dissolved gases
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B5/00—Measuring arrangements characterised by the use of mechanical techniques
- G01B5/02—Measuring arrangements characterised by the use of mechanical techniques for measuring length, width or thickness
Abstract
Embodiments of a guidewire length measurement device for an ERCP are disclosed, the guidewire length measurement device comprising: the fixing device is sleeved and fixed at the top end of the short connecting pipe and is provided with a central hole for the guide wire to pass through; the marking piece marks the guide wire; the measuring assembly comprises a fixed rod, a mounting box, a coil spring and a measuring line with a scale mark; one end of the fixed rod is detachably inserted in the fixing device; the mounting box is of a hollow shell structure and is fixed at the other end of the fixing rod; the coil spring is arranged in the center inside the mounting box; one end of the measuring wire is fixed on the coil spring, and the other end of the measuring wire penetrates through the mounting box and extends outwards, and is connected with two fixing clamps for clamping the measuring wire and the guide wire simultaneously. The guide wire length measuring device and the guide wire length measuring method realize the rapid measurement of the length of the narrow section, and solve the problem that the length of the narrow section of the bile duct or the pancreatic duct is difficult to accurately measure when the patient is examined by the existing endoscopic retrograde cholangiopancreatography.
Description
Technical Field
The application relates to the technical field of medical instruments, in particular to a guide wire length measuring device and a guide wire length measuring method for an ERCP.
Background
At present, the medical apparatus refers to instruments, equipment, appliances, in-vitro diagnostic reagents and the like which are directly or indirectly used for human bodies. In performing an enteroscopy examination, it is necessary to perform an ERCP (endoscopic Retrograde cholangiopancreatography) examination of the area of common bile duct stenosis between the duodenum and bile duct of a patient.
In the related technology, when endoscopic retrograde cholangiopancreatography is performed, a guide wire is needed to assist in conveying an incision to a bile duct or a pancreatic duct in a patient body for the next operation; wherein the incision knife is used for driving the contrast agent. During the imaging process, the guide wire needs to pass through some narrow segment of the bile duct or pancreatic duct, and we need to know the length of the narrow segment. The existing guide wire is thin in thickness, scales are difficult to be arranged on the surface of the guide wire, and the length of the guide wire conveyed into a patient cannot be directly read. The conventional workflow is to roughly estimate the length of the stenosis during the guidewire advancement. The conventional working process cannot accurately measure the length of a narrow section of a bile duct or a pancreatic duct, and easily causes errors in the customization of a common bile duct stent based on the length of the narrow section, and the like.
Therefore, it is highly desirable to design a device capable of accurately measuring the length of the stenosis by means of a guidewire to solve the above problems.
Disclosure of Invention
Aiming at the defects in the prior art, the application aims to provide a guide wire length measuring device and a guide wire length measuring method for ERCP (endoscopic retrograde cholangiopancreatography), which realize the rapid measurement of the length of a guide wire and solve the problem that the length of a narrow section of a bile duct or a pancreatic duct is difficult to accurately measure when a patient is examined in the conventional endoscopic retrograde cholangiopancreatography.
In order to achieve the purposes, the technical scheme is as follows: a guide wire length measuring device for ERCP comprises a device body for drawing the guide wire, and a short connecting pipe as a guide wire inlet, wherein the short connecting pipe is vertically arranged on the surface of the device body; the bottom of device main part sets up the seal wire export, seal wire length measuring device includes:
the fixing device is sleeved and fixed at the top end of the short connecting pipe and is provided with a central hole for the guide wire to pass through;
the marking piece is used for marking the position of the guide wire, which is flush with the top surface of the fixing device, when the bottom end of the guide wire reaches the lower end of the narrow section and the upper end of the narrow section of the bile duct or the pancreatic duct of the patient;
the measuring assembly comprises a fixed rod, a mounting box, a coil spring and a measuring line with scale marks; one end of the fixed rod is detachably inserted in the fixing device; the mounting box is of a hollow shell structure and is fixed at the other end of the fixing rod; the coil spring is arranged in the center inside the mounting box; one end of the measuring wire is fixed on the coil spring, part of the measuring wire is wound on the coil spring, the other end of the measuring wire penetrates through the mounting box and extends outwards, and the measuring wire and the guide wire are connected with two fixing clamps for clamping the measuring wire and the guide wire simultaneously.
On the basis of the technical scheme, the guide wire length measuring device further comprises two disinfecting components, and the two disinfecting components are arranged on the top surface of the fixing device in a mirror symmetry mode; each sterilization assembly comprises:
the inner surface of the semicircle of the semicircular scrubbing plate is provided with sponge used for disinfecting the guide wire;
the box body is internally provided with disinfectant, and one end of the box body penetrates through the semicircular scrubbing plate through a hose to be communicated with the sponge;
and the extrusion ball is arranged on one side of the box body, which is far away from the semicircular scrubbing plate, and is communicated with the box body.
On the basis of the technical scheme, the disinfection assembly further comprises a square shell, a pull rod, a support column and a fixed seat, wherein the square shell is arranged on the top surface of the fixing device, the box body is accommodated in the square shell, the support column is vertically arranged on the top surface of the square shell, and the fixed seat is arranged on the top surface of the semicircular scrubbing plate; the pull rod penetrates through the support column movably and is fixed on the fixed seat.
On the basis of the technical scheme, the extrusion ball is provided with a liquid injection port, and the liquid injection port is used for adding disinfectant.
On the basis of the technical scheme, two clamping blocks are arranged at one end of the fixed rod, which is inserted into the fixing device, and the clamping blocks are of a long strip structure perpendicular to the fixed rod;
the fixing device is provided with a clamping groove, and the clamping groove comprises a through groove for inserting the clamping block and two groups of fan-shaped clamping interfaces communicated with the through groove; the upper and lower positions of the two groups of fan-shaped clamping interfaces are matched with the upper and lower positions of the two clamping blocks, and the two groups of fan-shaped clamping interfaces are used for clamping one clamping block when the fixed rod rotates.
On the basis of the technical scheme, the fixing device comprises a fixing ring, a connecting rod, a connecting ring and a positioning ring; the fixing ring, the connecting ring and the positioning ring are coaxially arranged, the fixing ring is sleeved and fixed at the top end of the short connecting pipe, the positioning ring is fixedly arranged in the connecting ring through two filling blocks, and the connecting ring is arranged above the fixing ring at intervals; and two ends of the connecting rod are respectively fixed on the side end faces of the connecting ring and the fixing ring; the disinfection component is arranged on the top surface of the fixing device.
On the basis of the technical scheme, the outer side surfaces of the fixing ring and the connecting ring are respectively provided with a connecting block, the two connecting blocks are on the same vertical line, and the connecting rod is vertically arranged between the two connecting blocks; the fixed rod is vertically inserted into the connecting block above.
The application also discloses a measuring method based on the guide wire length measuring device, which comprises the following steps:
the guide wire penetrates into the device main body through the fixing device and is conveyed into the body of a patient through a guide wire outlet at the bottom end of the device main body until the bottom end of the guide wire reaches the lower end of the narrow section of the bile duct or the pancreatic duct;
the marking piece marks the position, which is flush with the top surface of the fixing device, of the guide wire, and a first mark is left on the outer surface of the guide wire;
the guide wire is continuously conveyed into the body of the patient until the bottom end of the guide wire reaches the upper end of the narrow section of the bile duct or the pancreatic duct;
the marking piece marks the position, which is flush with the top surface of the fixing device, of the guide wire, and a second mark is left on the outer surface of the guide wire;
the guide wire is drawn out upwards from the fixing device, and the two fixing clamps are used for fixing a first mark and a second mark of the guide wire respectively; and drawing out the guide wire of the fixing device to coincide with the measuring line between the two fixing clamps, reading and calculating the length of the guide wire between the two fixing clamps.
On the basis of the technical scheme, the guide wire length measuring device further comprises two disinfecting components, and the two disinfecting components are arranged on the top surface of the fixing device in a mirror symmetry mode;
each disinfection component comprises an extrusion ball, a box body and a semicircular scrubbing plate, wherein sponge used for disinfecting the guide wire is arranged on the semicircular inner surface of the semicircular scrubbing plate; disinfectant is contained in the box body, and one end of the disinfectant penetrates through the semicircular scrubbing plate through a hose to be communicated with the sponge; the extrusion ball is arranged on one side of the box body, which is far away from the semicircular scrubbing plate, and is communicated with the box body;
the method comprises the following steps of sterilizing the guide wire during the process of penetrating or extracting the guide wire from the fixing device:
and (4) pressing the extrusion ball, and enabling the disinfectant to flow into the sponge on the inner surface of the semicircular scrubbing plate from the box body through the hose to disinfect the guide wire which is inserted or drawn out.
On the basis of the technical scheme, the disinfection assembly further comprises a square shell, a semicircular scrubbing plate, a pull rod, a support column and a fixed seat, wherein the square shell is arranged on the top surface of the fixing device, the box body is accommodated in the square shell, the support column is vertically arranged on the top surface of the square shell, and the fixed seat is arranged on the top surface of the semicircular scrubbing plate; the pull rod penetrates through the supporting column and is fixed on the fixed seat;
the step of sterilizing the guidewire further comprises:
the pull rod is pushed, and the guide wire is clamped by the two semicircular scrubbing plates.
The technical scheme who provides this application brings beneficial effect includes:
the utility model provides a seal wire length measurement device and measuring method, on the basis of original structure, fixing device, mark piece and measuring component have been increased, in the in-process of seal wire length measurement device in-service use, the guide wire bottom passes through fixing device earlier and penetrates the device main part and carry to the patient in vivo, when the guide wire bottom reaches the narrow section lower extreme and the upper end of patient's bile duct or pancreatic duct, mark the position that the guide wire parallel and level was in fixing device's top surface with the mark piece, obtain first mark (the lower extreme that corresponds to the narrow section of bile duct or pancreatic duct) and second mark (the upper end that corresponds to the narrow section of bile duct or pancreatic duct). And then the guide wire is pulled out from the fixing device, one fixing clamp is used for fixing the quantitative line and the second mark, the other fixing clamp is used for fixing the quantitative line and the first mark, the guide wire pulled out of the fixing device is superposed with the quantitative line between the two fixing clamps, the reading is carried out, and the length of the guide wire between the two fixing clamps is calculated, namely the length between the narrow sections of the bile duct or the pancreatic duct. The utility model provides a seal wire length measuring device has realized the rapid survey to narrow section length, can convenient and fast obtain the length of narrow section, has solved the problem that the length of the narrow section of bile duct or pancreatic duct is difficult to carry out accurate measurement when current through scope retrograde cholangiopancreatography inspects the patient, measures accurate and efficient.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings required to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the description below are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a guide wire length measuring device provided in an embodiment of the present application;
fig. 2 is a schematic structural diagram of a fixing device according to an embodiment of the present disclosure;
FIG. 3 is a schematic structural diagram of a measurement assembly according to an embodiment of the present disclosure;
FIG. 4 is a schematic structural diagram of a measurement assembly provided in an embodiment of the present application;
FIG. 5 is a partial enlarged view D of FIG. 1;
FIG. 6 is a perspective view of a sterilization assembly provided in accordance with an embodiment of the present application;
reference numerals are as follows: 1. a device main body; 2. a short connecting pipe; 3. a fixing device; 31. a fixing ring; 32. a connecting rod; 33. a connecting ring; 34. a positioning ring; 8. a measurement assembly; 81. fixing the rod; 82. a clamping block; 83. a card slot; 84. mounting a box; 85. a coil spring; 86. measuring the line; 88. a fixing clip; 9. a sterilizing assembly; 91. a square housing; 92. a box body; 93. a support pillar; 94. a semicircular scrubbing plate; 95. a hose; 96. extruding the ball; 97. a liquid injection port; 98. a fixed seat; 99. a pull rod.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and do not limit the invention. In addition, the technical features involved in the embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.
As shown in fig. 1 and 2, the present application discloses an embodiment of a guide wire length measuring device for ERCP, which comprises a device body 1 and a junction pipe 2, wherein the device body 1 is hollow inside and can be used for accommodating a guide wire and also used for drawing the guide wire so that the guide wire enters a patient body. The connecting short pipe 2 is vertically arranged on the surface of the device main body 1, and the connecting short pipe 2 is used as an inlet of the guide wire; the bottom end of the device main body 1 is provided with an outlet of the guide wire. The traditional method is used for ERCP detection, the main structure comprises a device main body 1 and a short connecting pipe 2, and a guide wire is input from the short connecting pipe 2 and output from the bottom end of the device main body 1.
The utility model provides a seal wire length measuring device, on the basis of original structure, has newly-added fixing device 3, measuring component 8 and marker (marker is not shown in the figure, and the marker can be integrated to the marker in fixing device 3, also can be outside pencil etc.), and fixing device 3 cover is established and is fixed in the top of junction pipe 2. The fixing means 3 has a central hole for the passage of the guide wire, which is coaxial with the axis of the junction pipe 2.
And when the bottom end of the guide wire reaches the lower end of the narrow section and the upper end of the narrow section of the bile duct or the pancreatic duct of the patient through the fixing device 3, the short connecting pipe 2 and the device main body 1, the marking piece marks the position of the guide wire, which is flush with the top surface of the fixing device 3, twice, and leaves a first mark and a second mark on the outer surface of the guide wire.
As shown in fig. 3 and 4, the measuring assembly 8 includes a fixing rod 81, a mounting box 84, a coil spring 85, and a gauge 86 with graduation marks; one end of the fixing rod 81 is detachably inserted into the fixing device 3. The mounting box 84 is of a hollow housing structure, and is fixed to the other end of the fixing rod 81. A coil spring 85 is provided in the center inside the mounting box 84, one end of the gauge wire 86 is fixed to the coil spring 85, and most of the gauge wire 86 is wound around the coil spring 85, the other end of the gauge wire 86 protrudes outward through the mounting box 84, and two fixing clips 88 for simultaneously clamping the gauge wire 86 and the guide wire are connected to the outward protruding gauge wire 86. Specifically, the coil spring 85 is in a natural state, and the measuring wire 86 extends out of the mounting box 84 by a small section; when necessary, the measuring wire 86 can be pulled out, and the coil spring 85 is in a compressed state during the pulling out of the measuring wire 86.
The utility model provides a seal wire length measurement device, on the basis of original structure, fixing device 3 has been newly added, measuring component 8 and mark piece, at seal wire length measurement device in-process of using, penetrate device main part 1 and carry to the patient internal through fixing device 3 with the seal wire bottom earlier, when the seal wire bottom arrives the narrow section lower extreme and the upper end of patient's bile duct or pancreatic duct, with the position of mark piece mark seal wire parallel and level in fixing device's top surface, obtain first mark (the lower extreme that corresponds to the narrow section of bile duct or pancreatic duct) and second mark (the upper end that corresponds to the narrow section of bile duct or pancreatic duct). And then the guide wire is pulled out from the fixing device 3, one fixing clamp is used for fixing the quantitative line and the second mark, the other fixing clamp is used for fixing the quantitative line and the first mark, the guide wire pulled out of the fixing device is superposed with the quantitative line between the two fixing clamps, and the reading is carried out to calculate the length of the guide wire between the two fixing clamps, namely the length between the narrow sections of the bile duct or the pancreatic duct.
The utility model provides a seal wire length measuring device has realized the rapid survey to narrow section length, can convenient and fast obtain the length of narrow section, has solved the length of the narrow section of bile duct or pancreatic duct when current pancreaticobiliary duct radiography that moves backwards through the scope is examined the patient and is difficult to carry out accurate measuring problem, measures accurately and efficient.
It is worth mentioning that when the pancreaticobiliary tract is retrogradely imaged by endoscope, the patient's stoma is below the pancreaticobiliary tract, and the guide wire is conveyed from bottom to top. The first marker corresponds to the lower end of the narrowed segment of the bile or pancreatic duct, and the second marker corresponds to the upper end of the narrowed segment of the bile or pancreatic duct.
As shown in fig. 5 and 6, in one embodiment, the guide wire length measuring device further comprises two sterilizing assemblies 9, and the two sterilizing assemblies 9 are mirror-symmetrically mounted on the top surface of the fixing device 3. The disinfection assembly 9 comprises a squeeze bulb 96, a box 92 and a semicircular scrubbing plate 94, and the guide wire is clamped in the middle by the two semicircular scrubbing plates 94. The box 92 contains the antiseptic solution, and the semicircle internal surface of semicircle scrubbing board 94 sets up the sponge, and hose 95 intercommunication box 92 and sponge, the antiseptic solution of box 92 can flow to the sponge through hose 95, and then disinfect to the seal wire. The squeeze bulb 96 is provided at one side of the case 92, and pressurizes the air inside the case 92 to facilitate the disinfectant to flow toward the sponge. The utility model provides a seal wire length measurement device, the set is measured and is disinfected in an organic whole, not only can measure the seal wire and get into the internal length of patient, can also disinfect the seal wire that gets into the patient internal or come out from the patient is internal, and the function is practical, and the range of application is wide.
In one embodiment, the disinfecting assembly 9 further comprises a square housing 91, a semicircular scrubbing plate 94, a pull rod 99, a support column 93 and a fixing seat 98, and the box 92 is accommodated in the square housing 91. The square housing 91 is provided on the top surface of the fixture 3. Preferably, the box 92 is made of plastic and the square housing 91 is made of steel. The supporting column 93 is vertically arranged on the top surface of the square shell 91, and the fixed seat 98 is arranged on the top surface of the semicircular scrubbing plate 94; the pull rod 99 penetrates the support column 93 and is fixed on the fixed seat 98. When the guide wire is disinfected, the pull rods 99 of the two disinfection assemblies 9 are pushed towards the guide wire, so that the guide wire can be clamped by the two semicircular scrubbing plates 94, and the disinfection is more effective and thorough.
Preferably, the squeeze bulb 96 is provided with a priming port 97, the priming port 97 being used for adding disinfectant. The squeezing ball 96 can pressurize the air in the box body 92 when needed, so that disinfectant can flow to the sponge conveniently; can also be used as an added inlet for disinfectant.
In one embodiment, two latching blocks 82 are disposed at one end of the fixing rod 81 inserted into the fixing device 3, the latching blocks 82 are in a long strip structure, and the latching blocks 82 are perpendicularly fixed to the fixing rod 81. A clamping groove 83 is arranged at the position of the fixing device 3 for inserting the fixing rod 81, and the clamping groove 83 comprises a through groove for inserting the clamping block 82 and two groups of fan-shaped clamping interfaces communicated with the through groove; the upper and lower positions of the two sets of fan-shaped clipping interfaces are matched with the upper and lower positions of the two clamping blocks 82, and the two sets of fan-shaped clipping interfaces are used for clipping one clamping block 82 when the fixing rod 81 rotates. The two fan-shaped clamping interfaces are matched with the two clamping blocks 82. When the fixing rod 81 is inserted into the fixing device 3, the two clamping blocks 82 just reach the positions of the two fan-shaped clamping interfaces, the fixing rod 81 is rotated by ninety degrees, and the two clamping blocks 82 are perpendicular to the outward opening different surfaces of the clamping groove 83, so that the fixing is completed.
In one embodiment, the fixing device 3 comprises a fixing ring 31, a connecting rod 32, a connecting ring 33 and a positioning ring 34; the fixing ring 31, the connecting ring 33 and the positioning ring 34 are coaxially arranged, the fixing ring 31 is sleeved and fixed at the top end of the short connecting pipe 2, the positioning ring 34 is fixedly arranged in the connecting ring 33 through two filling blocks, and the connecting ring 33 is fixedly arranged above the fixing ring 31 at intervals; and both ends of the connecting rod 32 are respectively fixed on the side end faces of the connecting ring 33 and the fixing ring 31; a sterilizing assembly 9 is mounted on the top surface of the fixture 3.
Specifically, the thickness of the fixed ring 31, the connecting ring 33, and the positioning ring 34 are equal. The outer diameters of the fixing ring 31 and the connecting ring 33 are equal and are both larger than the outer diameter of the positioning ring 34. The positioning ring 34 is fixedly mounted in the connecting ring 33 by means of two filling blocks. The connecting ring 33 is fixedly arranged on the fixing ring 31 at intervals, and the connecting ring 33 and the fixing ring 31 are spaced at a certain interval from top to bottom. Both ends of the connecting rod 32 are fixed to side end faces of the connecting ring 33 and the fixing ring 31, respectively. The fixing ring 31 is formed by combining two semicircular lantern rings, the two semicircular lantern rings of the fixing ring 31 are fixed through threaded connection, and the short connecting pipe is sleeved and fixed. The positioning ring 34 is fixedly mounted in the connection ring 33 by two symmetrically arranged filling blocks. The fixing device 3 is formed by assembling a plurality of structural components, and is light in weight and convenient to disassemble and assemble.
Further, the outer side surfaces of the fixing ring 31 and the connecting ring 33 are respectively provided with a connecting block, the two connecting blocks are on the same vertical line, and the connecting rod 32 is vertically arranged between the two connecting blocks; the fixing rod 81 is vertically inserted into the upper connecting block.
The application also discloses a measuring method based on the guide wire length measuring device, which comprises the following steps:
the guide wire penetrates into the device body 1 through the fixing device 3 and is conveyed into the body of a patient through a guide wire outlet at the bottom end of the device body 1 until the bottom end of the guide wire reaches the lower end of the narrow section of the bile duct or the pancreatic duct.
The marking piece marks the position of the guide wire, which is flush with the top surface of the fixing device 3, and a first mark is left on the outer surface of the guide wire;
the guide wire is continuously conveyed into the body of the patient until the bottom end of the guide wire reaches the upper end of the narrow section of the bile duct or the pancreatic duct;
the marking piece marks the position of the guide wire, which is flush with the top surface of the fixing device 3, and a second mark is left on the outer surface of the guide wire;
the guide wire is drawn out upwards from the fixing device 3, and the two fixing clips 88 respectively fix the first mark and the second mark of the guide wire; fixing the second mark of the guide wire by using one fixing clamp 88, fixing the first mark of the guide wire by using the other fixing clamp 88, drawing out the guide wire of the fixing device 3 to be superposed with the measuring line 86 between the two fixing clamps 88, reading scales on the measuring line 86, and calculating the length of the guide wire between the two fixing clamps 88, namely the length of the narrow section of the bile duct or the pancreatic duct of the patient.
In one embodiment, the guide wire length measuring device further comprises two sterilizing assemblies 9, and the two sterilizing assemblies 9 are arranged on the top surface of the fixing device 3 in a mirror symmetry mode. The sterilization assembly 9 comprises a squeeze bulb 96, a housing 92 and a semi-circular scrubbing plate 94, the guidewire being held in the middle by the two semi-circular scrubbing plates 94. The box body 92 contains disinfectant, sponge is arranged on the semicircular inner surface of the semicircular scrubbing plate 94, the hose 95 is communicated with the box body 92 and the sponge, and the disinfectant in the box body 92 can flow to the sponge through the hose 95 so as to disinfect the guide wire. The squeeze bulb 96 is provided at one side of the case 92, and can pressurize the air inside the case 92, thereby facilitating the flow of the disinfectant to the sponge. The utility model provides a seal wire length measurement device, the set is measured and is disinfected in an organic whole, not only can measure the seal wire and get into the internal length of patient, can also disinfect the seal wire that gets into the patient internal or come out from the patient is internal, and the function is practical, and the range of application is wide.
The step of sterilizing the guide wire during its passage or extraction from the fixture 3:
when the squeeze bulb 96 is pressed, the disinfectant flows from the box 92 through the hose 95 into the sponge on the inner surface of the semicircular scrubbing plate 94 to disinfect the guide wire being inserted or withdrawn.
In one embodiment, the sterilization assembly 9 further comprises a square housing 91, a semi-circular scrubbing plate 94, a pull rod 99, a support post 93 and a fixing base 98, and the box 92 is accommodated in the square housing 91. Preferably, the box 92 is made of plastic and the square housing 91 is made of steel. The supporting column 93 is vertically arranged on the top surface of the square shell 91, and the fixed seat 98 is arranged on the top surface of the semicircular scrubbing plate 94; the pull rod 99 penetrates the support column 93 and is fixed on the fixed seat 98.
The step of sterilizing the guidewire further comprises:
the pull rod 99 is pushed to clamp the guide wire through the two semicircular scrubbing plates 94. When the guide wire is disinfected, the pull rods 99 of the two disinfection assemblies 9 are pushed towards the guide wire, so that the guide wire can be clamped by the two semicircular scrubbing plates 94, and the disinfection is more effective and thorough. After sterilization is complete, the pull rod 99 is pulled back so that the semi-circular scrubbing plate 94 returns to its original position for threading a guide wire.
In the description of the present application, it should be noted that the terms "upper", "lower", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, which are only for convenience in describing the present application and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and operate, and thus, should not be construed as limiting the present application. Unless expressly stated or limited otherwise, the terms "mounted," "connected," and "connected" are intended to be inclusive and mean, for example, that they may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.
It is noted that, in the present application, relational terms such as "first" and "second", and the like, are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrases "comprising a," "8230," "8230," or "comprising" does not exclude the presence of additional like elements in a process, method, article, or apparatus that comprises the element.
The above description is merely exemplary of the present application and is presented to enable those skilled in the art to understand and practice the present application. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the application. Thus, the present application is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (4)
1. A guide wire length measuring device for ERCP comprises a device body (1) for drawing a guide wire, and a short connecting pipe (2) as a guide wire inlet, wherein the short connecting pipe (2) is vertically arranged on the surface of the device body (1); the bottom of device main part (1) sets up the seal wire export, its characterized in that, seal wire length measurement device includes:
the fixing device (3) is sleeved and fixed at the top end of the short connecting pipe (2), and the fixing device (3) is provided with a central hole for the guide wire to pass through;
the marking piece is used for marking the position of the guide wire, which is flush with the top surface of the fixing device (3), when the bottom end of the guide wire reaches the lower end of the narrow section and the upper end of the narrow section of the bile duct or the pancreatic duct of the patient;
the measuring assembly (8) comprises a fixing rod (81), a mounting box (84), a coil spring (85) and a measuring line (86) with scale marks; one end of the fixed rod (81) is detachably inserted into the fixing device (3); the mounting box (84) is of a hollow shell structure and is fixed at the other end of the fixing rod (81); the coil spring (85) is arranged in the center of the inner part of the mounting box (84); one end of the measuring wire (86) is fixed on the coil spring (85), part of the measuring wire (86) is wound on the coil spring (85), the other end of the measuring wire (86) penetrates through the mounting box (84) to extend outwards, and two fixing clamps (88) used for clamping the measuring wire (86) and the guide wire simultaneously are connected;
the guide wire length measuring device also comprises two disinfection components (9), and the two disinfection components (9) are arranged on the top surface of the fixing device (3) in a mirror symmetry manner; each sterilizing assembly (9) comprising:
a semicircular scrubbing plate (94), wherein the inner surface of the semicircle is provided with sponge for disinfecting the guide wire;
a box body (92) which contains disinfectant, and one end of the box body passes through the semicircular scrubbing plate (94) through a hose (95) to be communicated with the sponge;
the extrusion ball (96) is arranged on one side of the box body (92) far away from the semicircular scrubbing plate and is communicated with the box body (92);
the fixing device (3) comprises a fixing ring (31), a connecting rod (32), a connecting ring (33) and a positioning ring (34); the fixing ring (31), the connecting ring (33) and the positioning ring (34) are coaxially arranged, the fixing ring (31) is fixedly sleeved at the top end of the short connecting pipe (2), the positioning ring (34) is fixedly arranged in the connecting ring (33) through two filling blocks, and the connecting ring (33) is arranged above the fixing ring (31) at intervals; two ends of the connecting rod (32) are respectively fixed on the side end surfaces of the connecting ring (33) and the fixing ring (31); the disinfection component (9) is arranged on the top surface of the fixing device (3);
the outer side surfaces of the fixing ring (31) and the connecting ring (33) are respectively provided with a connecting block, the two connecting blocks are on the same vertical line, and the connecting rod (32) is vertically arranged between the two connecting blocks; the fixing rod (81) is vertically inserted into the upper connecting block.
2. A guidewire length measuring device for ERCP as in claim 1 wherein: the disinfection component (9) further comprises a square shell (91), a pull rod (99), a support column (93) and a fixed seat (98), the square shell (91) is arranged on the top surface of the fixing device (3), the box body (92) is accommodated in the square shell (91), the support column (93) is vertically arranged on the top surface of the square shell (91), and the fixed seat (98) is arranged on the top surface of the semicircular scrubbing plate (94); the pull rod (99) movably penetrates through the supporting column (93) and is fixed on the fixed seat (98).
3. A guidewire length measuring device for ERCP as in claim 1 wherein: the extrusion ball (96) is provided with a liquid injection port (97), and the liquid injection port (97) is used for adding disinfectant.
4. A guidewire length measuring device for ERCP as in claim 1 wherein: two fixture blocks (82) are arranged at one end of the fixing rod (81) inserted into the fixing device (3), and the fixture blocks (82) are of a long strip structure perpendicular to the fixing rod (81);
the fixing device (3) is provided with a clamping groove (83), and the clamping groove (83) comprises a through groove for inserting the clamping block (82) and two groups of fan-shaped clamping interfaces communicated with the through groove; the upper and lower positions of the two groups of fan-shaped clamping interfaces are matched with the upper and lower positions of the two clamping blocks (82), and the two groups of fan-shaped clamping interfaces are used for clamping one clamping block (82) when the fixing rod (81) rotates.
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| CN114612475B (en) * | 2022-05-12 | 2022-09-23 | 青岛美迪康数字工程有限公司 | Bile duct support specification selection method and device |
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