CN104826219A - Elastic skin expander and skin traction system and hook rod fixing system thereof - Google Patents
Elastic skin expander and skin traction system and hook rod fixing system thereof Download PDFInfo
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- CN104826219A CN104826219A CN201510216788.4A CN201510216788A CN104826219A CN 104826219 A CN104826219 A CN 104826219A CN 201510216788 A CN201510216788 A CN 201510216788A CN 104826219 A CN104826219 A CN 104826219A
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- 208000002197 Ehlers-Danlos syndrome Diseases 0.000 title claims abstract description 57
- 230000000399 orthopedic effect Effects 0.000 claims abstract description 13
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- 229910000831 Steel Inorganic materials 0.000 claims description 34
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- 230000000149 penetrating effect Effects 0.000 claims 1
- 238000002316 cosmetic surgery Methods 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 6
- 230000007547 defect Effects 0.000 description 5
- 238000010276 construction Methods 0.000 description 4
- 208000015181 infectious disease Diseases 0.000 description 2
- 238000002406 microsurgery Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 210000001519 tissue Anatomy 0.000 description 2
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 238000004873 anchoring Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 210000000988 bone and bone Anatomy 0.000 description 1
- 201000010099 disease Diseases 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000035876 healing Effects 0.000 description 1
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- 230000002441 reversible effect Effects 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
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- 238000002054 transplantation Methods 0.000 description 1
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Abstract
The invention relates to an elastic skin expander, a skin traction system of the elastic skin expander and a hook rod fixing system of the elastic skin expander. The elastic skin expander is clinically applied to the orthopedics department and the plastic surgery department and can is adjustable in pressure. The hook rod fixing system comprises an adjusting component and a fixing hook device, wherein the adjusting component comprises a screwed rod, a wheel-fixing nut, a pressure-adjusting component, a pressure-adjusting spring, a slide casing pipe and a fixing nut; the pressure of the pressure-adjusting component applied to the pressure-adjusting spring is read through a slide casing pipe pressure scale meter under the matching between the pressure-adjusting component, the pressure-adjusting spring and the slide casing pipe; the fixing hook device is arranged between the slide casing pipe and the fixing nut and comprises a body part and a hook part which are connected through screw threads or connected in a fastening way or integrally molded.
Description
Technical Field
The invention relates to an elastic skin dilator capable of adjusting pressure for clinical application in orthopedics and orthopedics departments, in particular to an elastic skin dilator capable of adjusting pressure and a skin traction system and a hook rod fixing system thereof.
Background
When the skin defects are treated in orthopedics department and orthopedics department, the microsurgery technology is sometimes applied, and the skin flap with the vascular pedicle, the local skin flap transfer repair or the free skin flap transplantation repair are used, so that the wound is large and the risk is high; sometimes, a balloon type skin dilator is adopted to carry out local skin flap transfer repair after skin stretching on partial small-area head and face skin defects, the indications are few, the treatment time is long, the transfer area is small, deep tissues are easily compressed, and the defects of infection at the implanted part of the balloon and the like are easily caused.
Disclosure of Invention
The present invention is directed to overcoming the drawbacks of the current skin defect treatment using microsurgery or balloon type skin expanders, and its first object is to provide a hook rod fixing system for clinical use in orthopedics and orthopedics, its second object is to provide a skin traction system composed of several hook rod fixing systems and other members, and its third object is to provide a pressure adjustable elastic skin expander composed of several skin traction systems and other members.
The technical scheme of the invention is as follows:
a hook rod fixing system of an elastic skin expander for clinical application in orthopedics and orthopedics department comprises an adjusting component and a fixing hook device, wherein,
the adjustment assembly includes: the device comprises a threaded rod, a fixed wheel nut, a pressure regulating member, a pressure regulating spring, a sliding sleeve and a fixed nut; wherein,
the main body part of the threaded rod is in a cylindrical rod shape and is provided with external threads, and the fixed wheel nut, the pressure regulating member, the pressure regulating spring, the sliding sleeve and the fixing nut are sequentially arranged on the threaded rod from top to bottom;
the fixed wheel nut is in threaded connection with the threaded rod and is used for fixing the pressure regulating member;
the pressure regulating spring is sleeved on the threaded rod, the upper end of the pressure regulating spring is abutted against the pressure regulating member, and the lower end of the pressure regulating spring is abutted against the upper end face of the sliding sleeve;
the sliding sleeve is a cylindrical hollow sleeve, a pressure scale which is consistent with the pressure of the pressure regulating spring is arranged on the outer wall of the sliding sleeve, the threaded rod axially penetrates through the sliding sleeve, and the sliding sleeve is in sliding connection with the threaded rod;
the pressure applied on the pressure regulating spring by the pressure regulating member is read by a pressure scale meter of the sliding sleeve through the matching of the pressure regulating member, the pressure regulating spring and the sliding sleeve;
the fixing nut is arranged at the tail end of the threaded rod;
the fixed hook device is arranged between the sliding sleeve and the fixed nut and comprises a body part and a hook part, and the body part and the hook part are in threaded connection or fastening connection or are integrally formed.
Furthermore, the pressure regulating component is an integrated pressure regulating wheel which is divided into a nut part and a sleeve part, the nut part is in threaded connection with the threaded rod, and the inner wall of the sleeve part is in sliding connection with the pressure regulating spring and the outer wall of the upper part of the sliding sleeve; the pressure regulating spring is located in the pressure regulating wheel sleeve portion, the upper end of the pressure regulating spring is abutted to the lower end face of the pressure regulating wheel nut portion, and when the pressure regulating spring is in a natural state, the lower end edge of the pressure regulating wheel sleeve portion indicates an initial scale on the sliding sleeve pressure scale.
Further, the pressure regulating component comprises a nut type pressure regulating wheel and a pressure scale needle arranged below the pressure regulating wheel; the pressure scale needle is divided into a bottom part and a needle part, the bottom part is a cylindrical hollow sleeve and is positioned between the pressure regulating wheel and the pressure regulating spring, the upper end of the pressure regulating spring is abutted against the lower end surface of the bottom part of the pressure scale needle, and the needle part of the pressure scale needle is positioned outside the outer walls of the pressure regulating spring and the upper part of the sliding sleeve; when the pressure regulating spring is in a natural state, the lower end edge of the needle part of the pressure scale needle indicates the initial scale on the pressure scale of the sliding sleeve.
Further, a connecting member is arranged on the body of the fixed hook device, and the connecting member is divided into a hole part and a screw rod part; the screw part of the connecting component is in threaded connection with the body part and is fixed by a fixing screw perpendicular to the screw part, and the hole part of the connecting component is in direct sliding connection with the threaded rod or in sliding connection with a traction arm connected with the threaded rod.
Furthermore, an axial long hole is formed in the body of the fixed hook device, a fixing screw is arranged at the upper end of the body, and a threaded rod or a traction arm connected with the threaded rod penetrates through the axial long hole in a sliding mode.
Furthermore, a ball socket is arranged above the body part of the fixed hook device and connected with the universal ball rod through a connecting screw sleeve, a connecting sleeve is arranged above the universal ball rod and connected with the upper part of the universal ball rod through a thread, and a connecting hole is radially arranged on the connecting sleeve and connected with the threaded rod or a traction arm connected with the threaded rod in a sliding manner.
Furthermore, the hook part of the fixed hook device is a single hook, and a needle fixing nut or a needle fixing screw is arranged above the hook part to be matched with the traction steel needle in a clamping mode.
Further, the hook part of the fixed hook device is a multi-hook with more than 2 hooks.
Further, the multiple hooks of the fixed hook device are provided integrally with the body of the fixed hook device.
Furthermore, the multi-hook of the fixed hook device and the body of the fixed hook device are designed to be separated, and the multi-hook part is designed to be integrated and is in threaded connection with the body of the fixed hook device to be fixed by a fixed hook nut.
Furthermore, the multi-hook of the fixed hook device and the body of the fixed hook device are designed to be separated, the multi-hook part is designed to be a separated single hook, a round hole matched with the tail part of the single hook is arranged below the body of the fixed hook device, and the single hook and the body are welded into a whole.
Furthermore, the multi-hook part of the fixed hook device is designed as a split type single hook, a round hole matched with the tail part of the single hook is arranged below the body part of the fixed hook device, a transverse groove communicated with the round hole is arranged on the side surface of the fixed hook device, the tail part of the single hook and the body part of the fixed hook device are welded into a whole at the arranged groove, the groove is covered by a groove cover plate, and the groove is tightly connected with the body part of the fixed hook device through a fixed pin or a fixed screw.
Furthermore, the body of the fixed hook device assembled with the multiple hooks is transversely provided with 1 round hole or 2 round holes, and the threaded rod or the traction arm connected with the threaded rod penetrates through the round holes in a sliding manner.
Further, the multiple hooks of the hook part are arranged in a straight line or in an arc shape.
The skin traction system of the elastic skin dilator is composed of 2 hook rod fixing systems and 1 rod clamp, and the rod clamp is in sliding connection with threaded rods of the 2 hook rod fixing systems respectively.
The skin traction system of the elastic skin dilator consists of 1 adjusting component in a hook rod fixing system and 2 fixing hook devices in the hook rod fixing system, wherein the 2 fixing hook devices are directly arranged at the lower part of a threaded rod of the adjusting component of the hook rod fixing system.
A skin traction system of an elastic skin dilator comprises 1 adjusting component in a hook rod fixing system, 2 fixing hook devices in the hook rod fixing system and 1 scissor type traction arm,
the scissor type stretching arm is arranged between a sliding sleeve and a fixing nut of the hook rod fixing system adjusting assembly and is divided into a solid arm and a hollow arm, a shaft center hole is formed in the middle of each of the solid arm and the hollow arm, the solid arm and the hollow arm are connected through a central shaft, a hollow groove is formed in the hollow arm, and the hollow groove is in sliding fit with the solid arm; the upper ends of the solid arm and the hollow arm are respectively connected with a threaded rod in the hook rod fixing system adjusting assembly in a sliding mode through connecting members, and the lower ends of the solid arm and the hollow arm are respectively provided with 1 fixing hook device.
A skin retraction system for a flexible skin expander, comprising: the skin traction system consists of 1 adjusting component in the hook rod fixing system, 2 fixed hook devices in the hook rod fixing system and 1 door type traction arm,
the gate-type traction arm is arranged between a sliding sleeve of the hook rod fixing system adjusting assembly and a fixing nut, the gate-type traction arm is divided into a solid arm and a hollow arm, an axle center hole is formed in the upper ends of the solid arm and the hollow arm respectively, the solid arm and the hollow arm are connected through a jacking axle, a hollow groove is formed in the hollow arm, the hollow groove is in sliding fit with the solid arm, the middle portions of the solid arm and the hollow arm are respectively in sliding connection with a threaded rod in the hook rod fixing system adjusting assembly through a connecting component, and the lower ends of the solid arm and the hollow arm are respectively provided with 1 fixing hook device.
An elastic skin expander, characterized by: the elastic skin dilator consists of a single-hook type skin traction system in 2 or more than 2 skin traction systems and a traction steel needle.
An elastic skin expander, characterized by: the elastic skin expander consists of 1 or more than 1 multi-hook skin traction system in the skin traction systems.
Further, the traction steel needle is one or the combination of a cylindrical steel needle, a steel wire with a needle or a cable.
The invention has the beneficial effects that: the elastic skin expander comprises a hook rod fixing system, a continuous adjusting device and a fixing hook device, wherein the hook rod fixing system is composed of a plurality of parts, the hook rod fixing system is convenient to process and assemble, the continuous adjusting device capable of displaying pressure is adopted, the elastic skin expander composed of the hook rod fixing system can accurately adjust and control stretching of skin, skin tearing caused by overlarge pressure is avoided, the stretching is slow when the pressure is too small, the skin defect of any part of a body can be quickly and accurately expanded, the skin expanding speed is high, the adaptation disease is wide, deep tissues are not compressed, infection is not easy to occur, healing of wound surfaces can be accelerated, the hook part and the body part of the fixing hook device are in split fastening connection, threaded connection and ball socket connection, the adjustment and control at any time during operation are convenient, operation is convenient, the fixing hook is in a multi-hook form, and the fixing hook is. The skin is dilated by an elastic skin dilator, a traction steel needle intermittently penetrates through the skin, a needle fixing screw or a needle fixing nut is rotated, a fixing hook is fixed on a traction bone needle, a rod clamp connects a corresponding threaded rod, a fixing hook device connecting component connects a fixing hook device with the threaded rod, a rotating pressure regulating wheel compresses a pressure regulating spring, the pressure regulating spring receives the reaction force of a rod clamp fixing clamp block, the pressure regulating spring gives the reverse action force of the pressure regulating wheel, and then the threaded rod, the needle fixing hook and the traction steel needle are driven to apply traction force to the skin, and the skin gradually dilates and grows under the action of the traction force until the wound surface heals.
Drawings
The drawings are described below
FIG. 1 is a schematic view of an I-shaped structure of a hook rod fixing system of an elastic skin dilator and an I-shaped structure of a hook part and a body part connecting form of a fixing hook device,
FIG. 2 is a schematic view of a type II hook rod fixing system of the elastic skin dilator
FIG. 3 is a II-type structure diagram of the connection form of the hook part and the body part of the fixing hook device
FIG. 4 is a III-type structure diagram of the connection form of the hook part and the body part of the fixed hook device
FIG. 5 is a schematic view of the hook and body connection type IV-shaped structure of the fixed hook device
FIG. 6 is a V-shaped structure diagram of the connection between the hook and the body of the hook device
FIG. 7 is a schematic view showing a VI-type structure of the connection form of the hook part and the body part of the fixed hook device
FIG. 8 is a schematic view of the I-shaped structure of the connecting member and body connecting form of the fixed hook device
FIG. 9 is a schematic view of the type II structure of the connection member and body connection form of the fixed hook device
FIG. 10 is a schematic view of the type III construction of the connecting member and body connecting form of the fastening hook device
FIG. 11 is a schematic view of the connection member of the hook fastening device, the body connection type IV structure
FIG. 12 is a schematic view of the I-shaped structure of the connecting member and body connecting form of the multi-hook fastening hook device
FIG. 13 is a schematic view of a type II structure of a connecting member and a body connecting form of a multi-hook fastening hook device
FIG. 14 is a schematic view of a type III structure of a connecting member and a body connecting form of a multi-hook fastening hook device
FIG. 15 is a schematic view of the IV-shaped structure of the hook and body of the multi-hook fastening hook device
FIG. 16 is a V-shaped structure of hook and body of multi-hook fastening hook device
FIG. 17 is a schematic view showing the VI-shaped structure of the hook and body of the multi-hook fastening hook device
FIG. 18 is a VII-shaped structural diagram of hook and body of multi-hook fixed hook device
FIG. 19 is a VIII-type structural diagram of the hook and body of the multi-hook fastening hook device
FIG. 20 is a schematic view of an I-shaped bar clamp
FIG. 21 is a schematic view of a type II rod clamp
FIG. 22 is a schematic view of type III rod clamp
FIG. 23 is a schematic view of a structure of a steel wire with needles
FIG. 24 is a schematic view of a cable configuration
FIG. 25 is a schematic view of a structure of a traction steel needle
FIG. 26 is a schematic view of a type I structure of a skin stretching system of an elastic skin dilator
FIG. 27 is a schematic view of a type II skin stretching system of an elastic skin expander
FIG. 28 is a schematic view of a type III skin stretching system of an elastic skin expander
FIG. 29 is a schematic view of a type IV skin stretching system of the elastic skin expander
FIG. 30 is a schematic view of an elastic skin expander of type I
FIG. 31 is a schematic view of a II-type elastic skin expander
FIG. 32 is a schematic view of a type III elastic skin expander
FIG. 33 is a schematic view of an IV-shaped structure of an elastic skin dilator
FIG. 34 is a V-shaped structure of the elastic skin dilator
FIG. 35 is a schematic view of a VI-shaped elastic skin expander
FIG. 36 is a VII schematic diagram of an elastic skin expander
Detailed Description
Embodiments of the present invention will be described in detail below with reference to the accompanying drawings.
The invention relates to a hook rod fixing system of an elastic skin dilator for clinical application in orthopedics department and orthopedics department, which comprises an adjusting component and a fixing hook device, wherein the adjusting component comprises the following components, and the hook rod fixing system takes the I-shaped structure of the elastic skin dilator hook rod fixing system in figure 1 as an example, and the components are correspondingly described: the device comprises a threaded rod 1, a wheel fixing nut 2, a pressure regulating member, a pressure regulating spring 4, a sliding sleeve 5 and a fixing nut 6, wherein the main body part of the threaded rod 1 is in a cylindrical rod shape and is provided with an external thread, and the wheel fixing nut 2, the pressure regulating member, the pressure regulating spring 4, the sliding sleeve 5 and the fixing nut 6 are sequentially arranged on the threaded rod 1 from top to bottom; the fixed wheel nut 2 is in threaded connection with the threaded rod 1 and is used for fixing the pressure regulating member; the pressure regulating spring 4 is sleeved on the threaded rod 1, the upper end of the pressure regulating spring 4 is abutted against the pressure regulating member, and the lower end of the pressure regulating spring 4 is abutted against the upper end face of the sliding sleeve 5; the sliding sleeve 5 is a cylindrical hollow sleeve, a pressure dial gauge consistent with the pressure of the pressure regulating spring 4 is arranged on the outer wall of the sliding sleeve 5, the threaded rod 1 axially penetrates through the sliding sleeve, and the sliding sleeve 5 is in sliding connection with the threaded rod 1; the pressure applied on the pressure regulating spring 4 by the pressure regulating member is read by a pressure scale meter of the sliding sleeve 5 through the matching of the pressure regulating member, the pressure regulating spring 4 and the sliding sleeve 5; the fixed nut 6 is arranged at the tail end of the threaded rod 1; the fixed hook device is arranged between the sliding sleeve 5 and the fixed nut 6 and comprises a body part 8 and a hook part 11, wherein the body part 8 and the hook part 11 are in threaded connection, fastening connection, ball-socket connection or integrated molding.
In the embodiment of the hook rod fixing system shown in fig. 1, the pressure regulating member is an integrated pressure regulating wheel 3, which is divided into a nut part and a sleeve part, the nut part is in threaded connection with the threaded rod 1, and the inner wall of the sleeve part is in sliding connection with the pressure regulating spring 4 and the outer wall of the upper part of the sliding sleeve 5; pressure regulating spring 4 is located pressure regulating wheel 3 sleeve part, and the terminal surface under the 3 nut portions of pressure regulating wheel of pressure regulating spring 4 upper end butt, is in under the natural state as pressure regulating spring 4, and the initial scale on the 5 pressure graduations of sliding sleeve is instructed to pressure regulating wheel 3 sleeve portion lower extreme border.
In the embodiment of the hook rod fixing system in fig. 1, the body 8 and the hook 11 of the fixed hook device are connected in an I-shaped structure, that is, the fixed hook body 8 is rectangular or cylindrical, the hook 11 is arranged below the body 8, the body 8 and the hook 11 are in threaded connection, the upper end of the hook 11 is in a threaded rod shape, the hook nut 9 is arranged on the hook 11 to fix the hook 11, and the needle nut 10 is arranged to fix the steel needle 34.
Fig. 2 is a II-type structure of a hook rod fixing system of an elastic skin dilator, the fixing hook device of which is the same as that in fig. 1, and the difference from fig. 1 is the structure of a pressure regulating member, the pressure regulating member in fig. 2 comprises a nut type pressure regulating wheel 3 and pressure scale needles 12 arranged below the pressure regulating wheel 3; the pressure scale needle 12 is divided into a bottom part and a needle part, the bottom part is a cylindrical hollow sleeve and is positioned between the pressure regulating wheel 3 and the pressure regulating spring 4, the upper end of the pressure regulating spring 4 is abutted against the lower end surface of the bottom part of the pressure scale needle 12, and the needle part of the pressure scale needle 12 is positioned outside the outer walls of the upper parts of the pressure regulating spring 4 and the sliding sleeve 5; when the pressure regulating spring 4 is in a natural state, the lower end edge of the needle part of the pressure scale needle 12 indicates the initial scale on the pressure scale of the sliding sleeve 5.
Fig. 3 to 7 show various embodiments of the single hook and body connection of the fastening hook device, only the main differences between the different embodiments being explained below.
Wherein, fig. 3 shows a hook part and body part connecting type II structure of the fixed hook device, the connection form of the hook part 11 and the body part 8 of the fixed hook device is fastening connection, a hook fixing screw 13 is arranged below the body part 8 to fix the hook part 11, and a needle fixing nut 10 is arranged to fix the steel needle 34.
Fig. 4 shows a hook-body connection type III structure of the fixed hook device, wherein the body 8 and the hook 11 are formed as an integral fixed hook 15, and a needle fixing screw 14 is arranged below the body 8 to fix a steel needle 34.
Fig. 5 shows a hook and body connection type IV structure of the fixed hook device, in which the body 8 is screwed to the hook 11, and the body 8 is provided with a needle fixing nut 10 for fixing a steel needle 34.
Fig. 6 shows a hook portion and body portion connecting type V-shaped structure of the fixed hook device, wherein the body portion 8 and the hook portion 11 are in fastening connection, the upper end of the hook portion 11 is in a cylindrical rod shape, a hook fixing screw 13 is arranged below the body portion 8 to fix the hook portion 11, and a needle fixing screw 14 is arranged to fix the steel needle 34.
Fig. 7 shows a VI-shaped structure of the hook and body connection of the fixed hook device, in which the body 8 and the hook 11 are connected by a ball and socket, the upper end of the hook 11 is spherical, the lower end of the body 8 is provided with a cambered cavity matched with the ball of the hook 11, the end of the cavity is provided with a hook fixing screw 13 to fix the hook 11, and a needle fixing screw 14 below the body 8 fixes the steel needle 34.
Fig. 8 to 11 show various embodiments of the way in which the body of the fixing hook device is connected to the threaded rod of the fixing system, and only the main points of difference of the different embodiments will be explained below.
Fig. 8 shows a type I structure of a fixed hook device connecting member and a body connecting form, wherein the connecting member 17 is divided into a hole portion slidably connected to the threaded rod 1 and a screw portion threadedly connected to the body 8, and a fixing screw 16 threadedly connected to the body 8 to fasten the screw portion of the connecting member 17. The connecting member 17 is provided transversely to the body 8.
Fig. 9 shows a type II construction of the fastening hook device connecting member and body connecting form, wherein the connecting member 17 is axially provided in the body 8.
Fig. 10 shows a type III structure of the connecting member and body connecting form of the fixed hook device, wherein the fixed hook body 8 is provided with an axial long hole for directly connecting the threaded rod 1.
Fig. 11 shows a fixed hook device connecting member and body connecting type IV structure, wherein a ball socket is arranged above the fixed hook body 8, and is connected with a universal ball rod 19 through a connecting screw sleeve 20, a connecting sleeve 18 is arranged above the universal ball rod 19 and is in threaded connection with the upper part of the universal ball rod 19, and a connecting hole is radially arranged on the connecting sleeve 18 and is in sliding connection with the threaded rod 1.
Fig. 12 to 19 show various embodiments of the multi-hook type hook part and body part connecting manner of the fixed hook device, the hook part 11 of the fixed hook device can be set to be in a multi-hook 21 shape of more than 2 hooks, the multi-hooks 21 can be arranged in a straight line or arc shape, and a threaded hole connected with the body part 8 of the fixed hook device is arranged above the hook part 11 in the axial direction or the transverse direction for fixing by the fixed hook nut 10. The upper part of the hook part 11 of the multi-hook 21 fixed hook device can be arranged to be connected with the body part 8 in the same form as the hook part 11 of the single-hook fixed hook device, the radian of the hook part 11 can be arranged to be various radians suitable for skin traction, and crosspieces can be arranged between the hooks, so that the use of suturing and fixing the skin when the skin is pulled is facilitated. Only the main points of difference of the different embodiments are explained below.
Fig. 12 shows a multi-hook 21 fastening hook device connecting member, body connecting type I structure, with the fastening hook device connecting member 17 provided transversely to the body 8.
Fig. 13 shows a type II construction of a multi-hook 21 fixed hook device attachment member, body attachment, with the fixed hook device attachment member 17 axially disposed in the body 8.
Fig. 14 shows a type III construction of a connecting member and body connecting form of a multi-hook 21 fixed hook device, wherein the fixed hook body 8 is provided with an axial long hole for connecting the threaded rod 1.
Fig. 15 shows a hook portion and body portion IV type structure of the multi-hook 21 fixed hook device, in which the fixed hook body portion 8 and the hook portion 11 are formed integrally, and the fixed hook body portion 8 is provided with an axially elongated hole.
Fig. 16 shows a V-shaped hook and body structure of a multi-hook 21 fixed hook device, wherein the hook 21 is a split single hook, and the fixed hook body 8 is provided with an axial long hole.
Fig. 17 shows a VI-shaped hook portion and body portion structure of a multi-hook 21 fixed hook device, wherein the hook portion 21 is a split single hook, a transverse groove is formed in the lower portion of the fixed hook portion 8, a groove cover plate 42 covers the groove, a fixing screw 43 fixes the groove cover plate 42, and an axial long hole is formed in the upper portion of the fixed hook portion 8.
Fig. 18 is a VII-type structure of hook part and body part of a multi-hook 21 fixed hook device, wherein the hook part 21 is a split single hook, the lower part of the fixed hook body 8 is provided with a transverse groove, a groove cover plate 42 covers the groove, a fixing screw 43 fixes the groove cover plate 42, and the upper part of the fixed hook body 8 is provided with a single round hole.
Fig. 19 shows a hook portion and body portion VIII type structure of a multi-hook 21 fixed hook device, wherein the hook portion 21 is a split type single hook, a transverse groove is arranged at the lower portion of the fixed hook body portion 8, a groove cover plate 42 covers the groove, a fixing screw 43 fixes the groove cover plate 42, and 2 round holes are transversely arranged at the upper portion of the fixed hook body portion 8.
Fig. 20 to 22 show three common bar clamp configurations which can be used to connect two adjacent threaded bars 1. The common rod clips can be designed into I-type rod clips, II-type rod clips, III-type rod clips and other forms.
Fig. 20 shows a rod clamp I-shaped structure, which is composed of a clamp head a22, a clamp head B24 and a fixing nut 23, wherein the head ends of the clamp head a22 and the clamp head B24 are hollow cylinders, circular holes are matched with a sliding sleeve 5 and a threaded rod 1, the tail end of the clamp head a22 is a cylindrical threaded rod, the fixing nut 23 is radially arranged and used for fixing the tail end of the clamp head a22, the tail end of the clamp head B24 is a hollow cylinder pipe, and the inner wall of the clamp head is provided with threads and is in threaded connection with the threaded rod at the tail end.
Fig. 21 shows a rod clamp II-shaped structure, which is composed of a clamp block a26, a clamp block a27, and a fastening screw 25, wherein one end of the arc surfaces of the clamp block a26 and the clamp block a27 are provided with clamp block circular holes corresponding to the sliding sleeve 5 and the threaded rod 1, the other end of the arc surfaces of the clamp block a27 is provided with clamp block circular holes corresponding to the fastening screw 25, the two holes are perpendicular, and the other end of the clamp block a27 corresponding to the clamp block a is in threaded connection with the head end of the fastening screw 25. The surface of the clamping block A30 corresponding to the head end of the fastening screw 28 is provided with a groove corresponding to the washer 29 and the tail end of the fastening screw 28.
Fig. 22 is a rod clamp type III structure, which is composed of a clamp block a30, a clamp block a31, a fastening screw 28 and a washer 29, wherein one end of the arc surface of the clamp block a30 and the clamp block a31 are respectively provided with a clamp block circular hole corresponding to the sliding sleeve 5 and the threaded rod 1, the corresponding other ends are separated by about 2mm clearance, a clamp block circular hole corresponding to the fastening screw 28 is provided, the two holes are vertical, the other end corresponding to the clamp block a31 is in threaded connection with the head end of the fastening screw 28, and the corresponding surface of the clamp block a30 and the head end of the fastening screw 28 is provided with a groove corresponding to the tail end of the washer 29 and the fastening screw 28.
Fig. 23 to 25 show a common embodiment of a pulling steel needle, which may be a steel wire 32 with a needle, or a cable 33, a cylindrical steel needle 34.
FIG. 23 shows a structure of a steel wire with a needle, a needle-like head and a cylindrical tail.
Fig. 24 shows a cable structure, cylindrical, consisting of a plurality of steel or titanium wires or other filamentary material.
FIG. 25 shows a drawing steel needle structure, which is a cylindrical steel needle with a pointed tip.
Fig. 26-29 illustrate various embodiments of a skin stretching system for a flexible skin expander using a plurality of hook bar anchoring system type I structures as described above.
Fig. 26 is an elastic skin expander skin stretching system type I structure, the skin stretching system is composed of 1 adjusting component in the hook rod fixing system and 2 fixing hook devices in the hook rod fixing system, wherein the 2 fixing hook devices are directly arranged at the lower part of the threaded rod of the adjusting component of the hook rod fixing system.
Fig. 27 is a type II structure of an elastic skin expander skin stretching system, which consists of 2 hook rod fixing systems and 1 rod clamp, and the rod clamp is respectively connected with the threaded rods of the 2 hook rod fixing systems in a sliding manner.
Fig. 28 is a type III structure of the elastic skin expander skin stretching system, which is composed of 1 adjusting component in the hook rod fixing system, 2 fixing hook devices in the hook rod fixing system, and 1 scissor type stretching arm, and the scissor type stretching arm is arranged between the sliding sleeve 5 and the fixing nut 6. The stretching arm is divided into a solid arm 35 and a hollow arm 36, the solid arm 35 is in a long strip shape, the upper part of the stretching arm is provided with a flat wide head, the upper end of the stretching arm is provided with a fixed hook device connecting component 17, the fixed hook device is divided into a hole part and a screw rod part, the hole part is in sliding connection with the screw rod, the screw rod part is in threaded connection with the solid arm 35, the lower part of the stretching arm is in a screw rod shape, and a fixed; the hollow arm 36 is long and is provided with a hollow groove, the hollow groove is in sliding fit with the solid arm 35, the upper end of the hollow groove is provided with a fixed hook device connecting component 17, the hole part is in sliding connection with the threaded rod 1, the threaded rod part is in threaded connection with the hollow arm 36, the lower part of the hollow arm is in a threaded rod shape, and a fixed nut 38 and a fixed hook device are arranged on the lower part of the threaded rod part; the solid arm 35 and the hollow arm 36 are each provided with a central hole at their central portions, and the solid arm 35 and the hollow arm 36 are connected by a central shaft 37.
Fig. 29 is an elastic skin expander skin stretching system IV-type structure, which is composed of 1 adjusting component in the hook rod fixing system, 2 fixing hook devices in the hook rod fixing system, and 1 door-type stretching arm, the door-type stretching arm is arranged between the sliding sleeve 5 and the fixing nut 6 of the hook rod fixing system adjusting component, the stretching arm is divided into a solid arm 41 and a hollow arm 40, the solid arm 41 and the hollow arm 40 are both long, the upper part of the hollow arm 40 is provided with a hollow groove, the hollow groove is in sliding fit with the solid arm 41, the upper parts of the solid arm 41 and the hollow arm 40 are respectively provided with an axial hole, the solid arm 41 and the hollow arm 40 are connected by a top shaft 39, the middle part of the solid arm is respectively provided with a fixing hook device connecting member 17, the lower part of the hollow arm is provided with a screw rod shape, and the fixing nut 38 and the fixing hook.
Fig. 30 to 36 show various embodiments of the elastic skin expander composed of the skin stretching system, any one of the single hook type skin traction systems can be combined with a traction steel needle and a rod clip to form different types of elastic skin expanders, and any one of the skin traction systems can also be combined with a multi-hook type fixed hook device to form different types of elastic skin expanders. The single-hook elastic skin dilator is matched with the traction steel needle for use, and the multi-hook elastic skin dilator can be directly applied to the skin to be dragged of a patient.
Fig. 30 shows the elastic skin expander type I structure, which is composed of 3 skin stretching system type I structures and 2 traction steel needles 34.
Fig. 31 is a type II structure of the elastic skin expander, which is composed of 2 type I structures of skin stretching systems, 2 traction steel needles 34, and 2 type III rod clamps.
Fig. 32 shows a flexible skin expander type III structure consisting of 3 skin stretching system type II structures and 2 traction steel needles 34.
Fig. 33 is an elastic skin expander type IV structure consisting of 3 skin stretching system type III structures and 2 traction steel needles 34.
Fig. 34 is a V-shaped structure of the elastic skin dilator, which is composed of 3 IV-shaped structures of the skin stretching system and 2 traction steel needles 34.
Fig. 35 is a VI-type structure of the elastic skin expander, which is composed of 2 II-type structures of the skin stretching system and 2 multi-hooks 21, wherein the hook part and the body part of the multi-hook 21 fixing hook device are VII-type structures.
Fig. 36 is a VII-type structure of the elastic skin dilator, which is composed of 1I-type structure of the skin stretching system and 2 multi-hooks 21, wherein the multi-hooks 21 are used for fixing hook devices, and the hook parts and the body parts are VIII-type structures.
As described above, although the embodiments of the present invention have been described in detail, it will be apparent to those skilled in the art that many modifications are possible without substantially departing from the spirit and scope of the present invention. Therefore, such modifications are also all included in the scope of protection of the present invention.
Claims (17)
1. A hook rod fixing system of an elastic skin expander for clinical application in orthopedics and orthopedics department comprises an adjusting component and a fixing hook device, wherein,
the adjustment assembly includes: the device comprises a threaded rod (1), a fixed wheel nut (2), a pressure regulating component, a pressure regulating spring (4), a sliding sleeve (5) and a fixed nut (6); wherein,
the main body part of the threaded rod (1) is in a cylindrical rod shape and is provided with an external thread, and the fixed wheel nut (2), the pressure regulating member, the pressure regulating spring (4), the sliding sleeve (5) and the fixing nut (6) are sequentially arranged on the threaded rod (1) from top to bottom;
the fixed wheel nut (2) is in threaded connection with the threaded rod (1) and is used for fixing the pressure regulating member;
the pressure regulating spring (4) is sleeved on the threaded rod (1), the upper end of the pressure regulating spring (4) is abutted against the pressure regulating component, and the lower end of the pressure regulating spring (4) is abutted against the upper end face of the sliding sleeve (5);
the sliding sleeve (5) is a cylindrical hollow sleeve, a pressure scale meter consistent with the pressure of the pressure regulating spring (4) is arranged on the outer wall of the sliding sleeve (5), the threaded rod (1) axially penetrates through the sliding sleeve, and the sliding sleeve (5) is in sliding connection with the threaded rod (1);
the pressure applied to the pressure regulating spring (4) by the pressure regulating member is read by a pressure scale meter of the sliding sleeve (5) through the matching of the pressure regulating member, the pressure regulating spring (4) and the sliding sleeve (5);
the fixed nut (6) is arranged at the tail end of the threaded rod (1);
the fixed hook device is arranged between the sliding sleeve (5) and the fixed nut (6), and comprises a body part (8) and a hook part (11), wherein the body part (8) and the hook part (11) are in threaded connection, fastening connection, ball-and-socket connection or integrated molding.
2. The hook stem fastening system of claim 1, wherein: the pressure regulating wheel (3) with the pressure regulating component integrated is divided into a nut part and a sleeve part, the nut part is in threaded connection with the threaded rod (1), and the inner wall of the sleeve part is in sliding connection with the pressure regulating spring (4) and the outer wall of the upper part of the sliding sleeve (5); pressure regulating spring (4) are located pressure regulating wheel (3) sleeve portion, and pressure regulating spring (4) upper end butt pressure regulating wheel (3) nut portion down terminal surface, are in under the natural state when pressure regulating spring (4), and the initial scale on slip sleeve (5) pressure scale is instructed to pressure regulating wheel (3) sleeve portion lower extreme reason.
3. The hook stem fastening system of claim 1, wherein: the pressure regulating component comprises a nut type pressure regulating wheel (3) and a pressure scale needle (12) arranged below the pressure regulating wheel (3); the pressure scale needle (12) is divided into a bottom part and a needle part, the bottom part is a cylindrical hollow sleeve and is positioned between the pressure regulating wheel (3) and the pressure regulating spring (4), the upper end of the pressure regulating spring (4) is abutted against the lower end face of the bottom part of the pressure scale needle (12), and the needle part of the pressure scale needle (12) is positioned outside the outer walls of the upper parts of the pressure regulating spring (4) and the sliding sleeve (5); when the pressure regulating spring (4) is in a natural state, the lower end edge of the needle part of the pressure scale needle (12) indicates the initial scale on the pressure scale of the sliding sleeve (5).
4. The hook stem fastening system of claim 1, 2 or 3, wherein: a connecting component (17) is arranged on the body part (8) of the fixed hook device, and the connecting component (17) is divided into a hole part and a screw rod part; wherein, the screw part of the connecting component (17) is connected with the body part (8) by screw thread and is fixed by a fixing screw (16) vertical to the screw part, and the hole part of the connecting component (17) is directly connected with the screw rod (1) in a sliding way or connected with a traction arm connected with the screw rod (1) in a sliding way.
5. The hook stem fastening system of claim 1, 2 or 3, wherein: an axial long hole is formed in a body part (8) of the fixed hook device, a fixing screw (7) is arranged at the upper end of the body part (8), and the threaded rod (1) or a traction arm connected with the threaded rod (1) penetrates through the axial long hole in a sliding mode.
6. The hook stem fastening system of claim 1, 2 or 3, wherein: the body part (8) of the fixed hook device is transversely provided with 1 round hole or 2 round holes, and the threaded rod (1) or a traction arm connected with the threaded rod (1) is slidably arranged in the round holes in a penetrating way.
7. The hook stem fastening system of claim 1, 2 or 3, wherein: a ball socket is arranged above a body part (8) of the fixed hook device and connected with a universal ball rod (19) through a connecting screw sleeve (20), a connecting sleeve (18) is arranged above the universal ball rod (19) and in threaded connection with the upper part of the universal ball rod (19), and the connecting sleeve (18) is radially provided with a connecting hole which is in sliding connection with the threaded rod (1) or a traction arm connected with the threaded rod (1).
8. The hook stem fastening system of claim 4 or 5 or 6 or 7, wherein: the hook part (11) of the fixed hook device is a single hook, and a needle fixing nut (10) or a needle fixing screw (14) is arranged above the hook part (11) to clamp and pull the steel needle (34) in a matching manner.
9. The hook stem fastening system of claim 4 or 5 or 6 or 7, wherein: the hook part (11) of the fixed hook device is a multi-hook (21) with more than 2 hooks, and the multi-hook (21) is an integrated or split type single hook.
10. The hook stem fastening system of claim 9, wherein: the multiple hooks (21) of the hook part (11) are arranged in a straight line or arc shape.
11. A skin retraction system for a flexible skin expander, comprising: the skin traction system consists of 2 hook bar fixing systems according to any of claims 1 to 10 and 1 bar clamp slidably connected to the threaded rods (1) of the 2 hook bar fixing systems, respectively.
12. A skin retraction system for a flexible skin expander, comprising: the skin traction system consists of 1 adjusting member of the hook stem fastening system according to any one of claims 1 to 10 and 2 fixed hook devices of the hook stem fastening system according to any one of claims 1 to 10, wherein the 2 fixed hook devices are directly arranged on the lower part of the threaded rod (1) of the adjusting member of the hook stem fastening system.
13. A skin retraction system for a flexible skin expander, comprising: the skin traction system consists of 1 adjusting component in the hook rod fixing system according to any one of claims 1 to 10, 2 fixing hook devices in the hook rod fixing system according to any one of claims 1 to 10, and 1 scissor type stretching arm,
the scissor type stretching arm is arranged between a sliding sleeve (5) and a fixing nut (6) of the hook rod fixing system adjusting assembly and is divided into a solid arm (35) and a hollow arm (36), a shaft center hole is formed in the middle of each of the solid arm (35) and the hollow arm (36), the solid arm (35) and the hollow arm (36) are connected through the central shaft (37), a hollow groove is formed in the hollow arm (36), and the hollow groove is in sliding fit with the solid arm (35); the upper ends of the solid arm (35) and the hollow arm (36) are respectively connected with a threaded rod (1) in the hook rod fixing system adjusting assembly in a sliding mode through connecting components, and the lower ends of the solid arm (35) and the hollow arm (36) are respectively provided with 1 fixing hook device.
14. A skin retraction system for a flexible skin expander, comprising: the skin traction system consists of 1 adjusting component in the hook rod fixing system according to any one of claims 1 to 10, 2 fixed hook devices in the hook rod fixing system according to any one of claims 1 to 10, and 1 portal traction arm,
the gate type traction arm is arranged between a sliding sleeve (5) and a fixing nut (6) of the hook rod fixing system adjusting assembly, the gate type traction arm is divided into a solid arm (41) and a hollow arm (40), an axle center hole is formed in the upper ends of the solid arm (41) and the hollow arm (40), the solid arm (41) and the hollow arm (40) are connected through a jacking shaft (39), a hollow groove is formed in the hollow arm (40), the hollow groove is in sliding fit with the solid arm (41), the middle portions of the solid arm (35) and the hollow arm (36) are in sliding connection with a threaded rod (1) in the hook rod fixing system adjusting assembly through a connecting component, and 1 fixing hook device is arranged at the lower end of each of the solid arm (35) and the hollow arm (36).
15. An elastic skin expander, characterized by: the elastic skin expander consists of 2 or more than 2 single-hook skin traction systems in the skin traction system as in any one of claims 11-14, and a traction steel needle.
16. An elastic skin expander, characterized by: the elastic skin expander consists of 1 or more than 1 multi-hook skin traction system as in any one of claims 11-14.
17. The elastic skin expander of claim 14, wherein: the traction steel needle is one or combination of a cylindrical steel needle, a steel wire with a needle or a cable.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510216788.4A CN104826219A (en) | 2015-04-25 | 2015-04-25 | Elastic skin expander and skin traction system and hook rod fixing system thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510216788.4A CN104826219A (en) | 2015-04-25 | 2015-04-25 | Elastic skin expander and skin traction system and hook rod fixing system thereof |
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| CN104826219A true CN104826219A (en) | 2015-08-12 |
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| CN201510216788.4A Pending CN104826219A (en) | 2015-04-25 | 2015-04-25 | Elastic skin expander and skin traction system and hook rod fixing system thereof |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105455862A (en) * | 2015-12-22 | 2016-04-06 | 常祺 | Clip type skin stretching device |
| CN109480942A (en) * | 2018-12-29 | 2019-03-19 | 郑州壹毫米医药科技有限公司 | Skin drawing device and the skin drawing system for using the skin drawing device |
| CN110292405A (en) * | 2019-07-25 | 2019-10-01 | 宋若怡 | A kind of cable type skin drawing and stretching closing device |
| CN111658042A (en) * | 2020-07-09 | 2020-09-15 | 中南大学湘雅二医院 | Skin tension reducer |
| CN111700658A (en) * | 2020-07-24 | 2020-09-25 | 上海国为医疗科技有限公司 | Adaptive skin stretching system and skin stretching method |
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Effective date of registration: 20240915 Address after: No. 430, donglingyuan Road, Zhaocheng District, Henan Province Applicant after: HENAN KEKE BIOTECHNOLOGY Co.,Ltd. Country or region after: China Address before: 450000 1904, No. 19, 20 building, Hualin City home, 7 Cui Hua Road, Jinshui District, Zhengzhou, Henan Applicant before: Song Ruoyi Country or region before: China |