CN212394993U - Tissue traction system and tissue traction device thereof - Google Patents
Tissue traction system and tissue traction device thereof Download PDFInfo
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- CN212394993U CN212394993U CN202020293703.9U CN202020293703U CN212394993U CN 212394993 U CN212394993 U CN 212394993U CN 202020293703 U CN202020293703 U CN 202020293703U CN 212394993 U CN212394993 U CN 212394993U
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- retractor
- pull wire
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Abstract
The utility model provides a tissue tractive system and tissue tractive ware thereof. The skin-supporting retractor comprises a retractor body, wherein the lower end of the retractor body is used for abutting and matching with skin, and a guide channel for a pull wire to pass through and guide the pull wire is arranged at the lower end of the retractor body; the elastic piece is used for providing an elastic acting force for the pull wire to pull outwards, and the lower end of the elastic piece is matched with the retractor body in an abutting mode. The tissue retractor is simple in structure, flexible and changeable in use, suitable for pulling of tissues such as skin, bones, muscles and ligaments, capable of pulling a steel needle and directly pulling tissues, wide in applicable scenes, simple in structure and few in parts, and therefore machining cost, material cost, labor cost and the like can be remarkably reduced, the probability of subsequent damage is reduced, and maintenance cost is further reduced.
Description
Technical Field
The utility model relates to a tissue tractive system and tissue tractive ware thereof.
Background
In the prior art, when wounds of tissues such as skin, bones, muscles, ligaments, joint capsules, blood vessels, nerves and tendons of a patient are large, the tissues on two sides of the wounds often need to be gradually stretched until the wounds heal by means of external force.
There are many skin retractors in the prior art, for example, chinese patent document No. CN209611223U discloses a skin retractor including a retractor body having an installation cavity extending in an up-down direction, a pressing member and an elastic member for providing elastic force to the pressing member are movably guided in the installation cavity, a limit structure for preventing the pressing member from coming off from the installation cavity is disposed on the retractor body, the pressing member has a head portion extending to a lower portion of the installation cavity for pressing and matching with a corresponding steel needle, the pressing member has a wire passage communicated with the installation cavity for passing a corresponding wire, a wire winding roller extending into the installation cavity for winding the corresponding wire is rotatably disposed at an upper side position of the retractor body, a locking mechanism for locking the wire winding roller is disposed on the retractor body, during the use, wear two steel needles on the skin of wound both sides, pass through simultaneously through acting as go-between around two steel needles and exert pulling force to two steel needles, the free end winding of acting as go-between is on the winding roller of tractive ware, adjust the length of acting as go-between winding on the winding roller through rotating the winding roller to the pulling force of acting as go-between is adjusted to the adjustment, and the volume of acting as go-between is very little, and convenient coincidence is alternately, avoids the unexpected touching of patient when using, and the security is higher, adopts the tractive of also being convenient for to heterotypic wound of acting as go-between moreover.
But the skin tractive ware spare part in the above-mentioned patent is various, and processing, dismouting step are loaded down with trivial details, and the cost is higher, and because the cooperation between the spare part is more, the probability of breaking down is also higher, and it is also not too convenient to maintain moreover, to poverty poor patient, considers economic nature, needs a simple structure, uses nimble convenient new-type tissue draw-off gear urgently to adapt to the demand of vast poverty poor patient.
SUMMERY OF THE UTILITY MODEL
The utility model provides a tissue retractor with simple structure and low cost; it is still another object of the present invention to provide a tissue retractor system using the above tissue retractor.
The utility model discloses a technical scheme who organizes tractive ware is realized like this:
the tissue retractor comprises:
the lower end of the retractor body is used for abutting and matching with skin, and a guide channel for the stay wire to pass through and guiding the stay wire is arranged at the lower end of the retractor body;
the elastic piece is used for providing an elastic acting force for the pull wire to pull outwards, and the lower end of the elastic piece is matched with the retractor body in a propping mode.
On the basis of the scheme, the tissue retractor is further improved as follows, the tissue retractor also comprises a sliding piece which moves axially relative to the retractor body, the upper end of the elastic piece is matched with the sliding piece in an abutting mode, and the sliding piece is provided with a fixing structure for fixing the upper end of the pull wire.
On the basis of the scheme, the fixing structure is further improved as follows, the fixing structure is a guide hole for the pull wire to pass through, and the outer hole edge of the guide hole is used for being matched with a knotting position at the upper end of the pull wire in a stopping manner.
On the basis of the scheme, the fixing structure is further improved as follows, and the fixing structure is a winding post for winding the stay wire so as to conveniently bind the stay wire.
On the basis of the scheme, the lower end of the retractor body is a conical head in a further improvement mode.
On the basis of the scheme, the traction device is further improved as follows, and a guide sleeve is further arranged between the traction device body and the sliding piece.
The technical scheme of the tissue traction system of the utility model is realized like this:
the tissue retraction system comprises:
a pull wire for pulling tissue or a steel needle threaded into the tissue;
the lower end of the retractor body is used for being matched with skin in an abutting mode, and a guide channel for the stay wire to pass through and guide the stay wire is arranged at the lower end of the retractor body;
the elastic piece provides an elastic acting force for the pull wire to pull outwards, and the lower end of the elastic piece is matched with the retractor body in a propping mode.
On the basis of the scheme, the tissue traction system is further improved as follows, the tissue traction system also comprises a sliding piece which moves axially relative to the retractor body, the upper end of the elastic piece is matched with the sliding piece in an abutting mode, and the sliding piece is provided with a fixing structure for fixing the upper end of the pull wire.
On the basis of the scheme, the fixing structure is further improved as follows, the fixing structure is a guide hole for the stay wire to pass through, and the outer hole edge of the guide hole is in stop fit with the knotting position at the upper end of the stay wire.
On the basis of the scheme, the fixing structure is further improved as follows, and the fixing structure is a winding post for winding the stay wire so as to conveniently bind the stay wire.
On the basis of the scheme, the lower end of the retractor body is a conical head in a further improvement mode.
On the basis of the scheme, the traction device is further improved as follows, and a guide sleeve is further arranged between the traction device body and the sliding piece.
By adopting the technical scheme, the beneficial effects of the utility model are that: compared with the prior art, the tissue traction device and the tissue traction system of the utility model do not need a winding roller, the core component only needs to be pulled, the elastic component and the traction device body, when in use, the lower end of the traction device body is supported on the tissue or the steel needle, one end of the pulling wire passes through the guide channel at the lower end of the traction device body, the guide channel can be a guide hole or a guide groove and acts on the tissue to be pulled, the other end of the pulling wire is fixed relative to the upper end of the elastic component, the fixing mode can adopt binding, clamping and other modes, the elastic acting force provided for the tissue to be pulled under the action of the elastic component draws towards the direction of healing of the tissue, thus, the tissue traction device has very simple structure, but flexible use, is suitable for the traction of the tissues such as skin, bone, muscle, ligament and the like, and the pulling wire not only can draw the steel needle, the structure can be directly pulled, the application scene is very wide, and the structure is simple, and parts are fewer, so that the processing cost, the material cost, the labor cost and the like can be obviously reduced, the probability of subsequent damage is reduced, and the maintenance cost is further reduced.
Furthermore, the sliding part is arranged, acting force is transmitted between the sliding part and the retractor body through the spring, firstly, the upper end of the pull wire is convenient to fix, and the fixing releasing are more convenient compared with the mode that the pull wire is directly fixed on the elastic part.
Further, the guide hole provided in the slider locks the length of the wire by knotting after the wire is passed therethrough.
Furthermore, the wrapping post is used as a fixing structure, so that the binding and fixing of the upper end of the stay wire are facilitated.
Further, the arrangement of the conical head at the lower end of the retractor body reduces the contact area when the retractor is in contact with skin or a steel needle, so that the retractor is more convenient to contact.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic structural view of an embodiment 1 of the tissue-pulling system of the present invention;
fig. 2 is a schematic structural view of embodiment 2 of the tissue-pulling system of the present invention;
fig. 3 is a schematic structural view of embodiment 3 of the tissue-pulling system of the present invention;
fig. 4 is a schematic structural view of embodiment 4 of the tissue-pulling system of the present invention;
wherein: the drawing device comprises a drawing device body, an elastic part, a sliding part, a guide sleeve, a drawing wire, a winding post, a guide hole and a baffle plate, wherein the elastic part is 2, the sliding part is 3, the guide sleeve is 4, the drawing wire is 5, the winding post is 6, the guide hole is 7, and the baffle plate is 8.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
When the retractor is used, all the components are assembled according to a drawing 1, the lower end of the pull wire 5 is fixed on a steel needle or directly penetrates through a tissue to be pulled, the upper end of the pull wire 5 penetrates out of a guide hole 7 in the sliding piece 3, axially extending scales can be arranged on the outer surface of the retractor body 1 to display the pulling force, the pull wire 5 is pulled according to needs, the guide sleeve 4 slides axially and compresses the spring at the moment, and after the pull wire is pulled to a certain distance, the pull wire 5 is wound on the winding post 6 to be bound and fixed, so that the purpose of applying elastic acting force to the tissue is achieved.
Compared with the prior art, a winding roller is not needed, the core component only needs the pull wire 5, the elastic component 2 and the retractor body 1, the lower end of the retractor body 1 is abutted against tissues or steel needles, one end of the pull wire 5 passes through a guide channel at the lower end of the retractor body 1, the guide channel can be a guide hole 7 or a guide groove and acts on the tissues to be pulled, the other end of the pull wire 5 is fixed relative to the upper end of the elastic component 2 in a binding and clamping mode, an elastic acting force is provided for the tissues to be pulled under the action of the elastic component 2 to pull towards the healing direction of the tissues, therefore, the tissue retractor has a very simple structure and is flexible and changeable in use, and is suitable for pulling the tissues such as skin, bones, muscles, ligaments and the like, the pull wire 5 can not only pull the steel needles but also directly pull the tissues, and the application scene is very wide, because the structure is simple and the parts are few, the processing cost, the material cost, the labor cost and the like can be obviously reduced, the probability of subsequent damage is also reduced, and the maintenance cost is further reduced.
The slider 3 is arranged, acting force is transmitted between the slider 3 and the retractor body 1 through the spring, firstly, the upper end of the pull wire 5 is convenient to fix, and the fixing releasing are more convenient compared with the mode that the pull wire 5 is directly fixed on the elastic part 2. The provision of the guide hole 7 in the slider 3 allows the length of the wire 5 to be locked by knotting after the wire 5 has been passed therethrough. The wrapping post 6 is used as a fixing structure, so that the upper end of the pull wire 5 is convenient to bind and fix. The arrangement of the conical head at the lower end of the retractor body 1 reduces the contact area when the retractor body is in contact with skin or a steel needle, so that the retractor body is more convenient to contact.
Can also set up the scale on tractive ware body 1, show current pulling force value through the corresponding position of slider 3 and scale, during the use, pull-down slider 3 is with extrusion elastic component 2, after reaching the set point, with 5 taut windings of acting as go-between on wrapping post 6, the realization to 5 fixed of acting as go-between can.
Embodiment 4 of the tissue-pulling system of the present invention: as shown in fig. 4, the difference from embodiment 3 is that the upper part of the retractor body 1 is replaced by a tubular structure, the elastic element 2 is arranged in the inner cavity of the tubular structure, the upper part of the side wall of the tubular structure is provided with a radial guide hole 7 for the pull wire 5 to pass through, and the embodiment does not have the sliding element 3, and the upper end of the pull wire 5 is directly fixed on the elastic element 2.
When the device is used, the lower end of the stay wire 5 is fixed on a steel needle or a tissue through each guide hole 7, the upper end of the stay wire 5 passes through the cylindrical structure of the retractor body 1 and then is fixed at the upper end of the elastic part 2, the stay wire 5 is tightened through the compression spring, and the tissue is pulled in a mode of binding and fixing the stay wire 5.
It should be noted that: the tissue retraction system can be applied to skin, bone, muscle, ligament, joint capsule, blood vessel, nerve, tendon, etc. tissues, and is not limited to use on skin wounds.
In other embodiments, the guide channel as the guide hole may be replaced with a guide groove.
In the embodiments 1 to 3, the winding post may be removed, and the pulling wire may be fixed by knotting the pulling wire, or of course, the locking of the pulling wire may be realized by disposing an elastic clip on the pulling wire, which is commonly used in the fixing clip of the pulling wire of various caps.
In other embodiments, the lower end of the retractor body may not be provided with a conical head, but instead be a cylinder of smaller diameter.
The utility model discloses a specific embodiment of tissue tractive ware and the difference of above-mentioned tissue tractive system lie in, and the tissue tractive ware does not contain and acts as go-between, and the same part is no longer repeated.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. A tissue retractor, comprising:
the lower end of the retractor body is used for abutting and matching with skin, and a guide channel for the stay wire to pass through and guiding the stay wire is arranged at the lower end of the retractor body;
the elastic piece is used for providing an elastic acting force for the pull wire to pull outwards, and the lower end of the elastic piece is matched with the retractor body in a propping mode.
2. The tissue retractor of claim 1 further comprising a slider axially movable relative to the retractor body, said resilient member having an upper end in abutting engagement with said slider, the slider having a securing structure thereon for securing the upper end of the puller wire.
3. The tissue retractor of claim 2 wherein the securing structure is a guide hole for the pull wire to pass through, an outer hole of the guide hole being adapted to stop engage a knot at the upper end of the pull wire.
4. The tissue retractor of claim 2 wherein said fixation structure is a wound post around which a pull wire is wound to facilitate binding of the pull wire.
5. The tissue retractor of any of claims 1-4 wherein the lower end of the retractor body is a conical head.
6. The tissue retractor of claim 2 wherein a guide sleeve is further provided between the retractor body and the slider.
7. A tissue retraction system, comprising:
a pull wire for pulling tissue or a steel needle threaded into the tissue;
the lower end of the retractor body is used for being matched with skin in an abutting mode, and a guide channel for the stay wire to pass through and guide the stay wire is arranged at the lower end of the retractor body;
the elastic piece provides an elastic acting force for the pull wire to pull outwards, and the lower end of the elastic piece is matched with the retractor body in a propping mode.
8. The tissue retraction system according to claim 7, further comprising a slider axially movable relative to the retractor body, said resilient member having an upper end in abutting engagement with said slider, the slider having a securing formation thereon for securing the upper end of the pull wire.
9. The tissue tensioning system according to claim 8, wherein the securing structure is a guide hole for the pull wire to pass through, and an outer hole of the guide hole is in stop-fit with a knot at an upper end of the pull wire.
10. The tissue retraction system according to claim 8, wherein the fixation structure is a wound post around which the pull wire is wound to facilitate binding of the pull wire.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020293703.9U CN212394993U (en) | 2020-03-11 | 2020-03-11 | Tissue traction system and tissue traction device thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020293703.9U CN212394993U (en) | 2020-03-11 | 2020-03-11 | Tissue traction system and tissue traction device thereof |
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| Publication Number | Publication Date |
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| CN212394993U true CN212394993U (en) | 2021-01-26 |
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| CN202020293703.9U Active CN212394993U (en) | 2020-03-11 | 2020-03-11 | Tissue traction system and tissue traction device thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022237248A1 (en) * | 2021-05-14 | 2022-11-17 | 浙江大学 | Surgical method for total laparoscopic two-stage resection of liver on affected side using liver hanging tape and instrument therefor |
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2020
- 2020-03-11 CN CN202020293703.9U patent/CN212394993U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022237248A1 (en) * | 2021-05-14 | 2022-11-17 | 浙江大学 | Surgical method for total laparoscopic two-stage resection of liver on affected side using liver hanging tape and instrument therefor |
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