CN208287033U - A kind of device for endoscopic thyroid surgery special drag hook - Google Patents
A kind of device for endoscopic thyroid surgery special drag hook Download PDFInfo
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- CN208287033U CN208287033U CN201720912399.XU CN201720912399U CN208287033U CN 208287033 U CN208287033 U CN 208287033U CN 201720912399 U CN201720912399 U CN 201720912399U CN 208287033 U CN208287033 U CN 208287033U
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- drag hook
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- retractor head
- retractor
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Abstract
A kind of device for endoscopic thyroid surgery special drag hook, including handle, drag hook bar and " W " shape retractor head, the retractor head is bent into three " u "-shaped arc sections, the front end of retractor head is equipped with thread head, it screws and connect with a band pointed sleeve of internal thread, pointed sleeve can be suitably screwed out before being pierced into skin, tip is set to be higher than intermediate arc section, allow piercing process is without hindrance and more smoothly, after being pierced into skin in order to avoid tip in drag hook rotary course muscle injury and blood vessel, pointed sleeve can be screwed off, when pulling Anterior jugular muscles, part muscle group is stuck in two " W " shape bending parts of retractor head, and memory metal material makes W-shaped drag hook have transversal stretching, therefore W-shaped drag hook is bigger than " V " shape drag hook acting surface, so that drawing is stronger, Anterior jugular muscles are avoided to slip, it ensure that hysteroscope first The safety of shape gland operation.
Description
Technical field
The utility model relates to medical instruments, specifically a kind of device for endoscopic thyroid surgery special drag hook.
Background technique
When carrying out full device for endoscopic thyroid surgery to thyroid gland patient, common mode of operation is usually in mammary areola or oral cavity
Three apertures, a placement hysteroscope are cut in vestibular mucosa region, and another two places nipper and ultrasound knife, it is therefore desirable to full hysteroscope
Visual area is exposed in thyroid operation, does not have the drag hook of routine operation to carry out retracting-exposing between thyroid gland and muscles,ribbon.Doctor
Scholar devises the help of " V " shape pinhock and appears, but there are still appear to be not enough and some other drawback and deficiency, " V " at present
Shape design tip penetrates that skin hypodermic layer is relatively elaborate, advance and retreat hook is all relatively elaborate and easy accidental injury around tissue and blood vessel,
The too small operative space for causing to appear of the acting surface of " V " shape is very limited.Therefore it needs to design a kind of novel device for endoscopic thyroid hand
Art special drag hook.
Summary of the invention
Technical problem to be solved in the utility model is to solve the above problems, and it is dedicated to provide a kind of device for endoscopic thyroid surgery
Drag hook is conducive to skin penetrating and is not easy to excessive injured cutaneous tissue again, is conducive to sufficiently appear operative segment.
The device for endoscopic thyroid surgery special drag hook includes handle, drag hook bar and W-shaped retractor head, one end of the drag hook bar
It is connect with handle, the other end is connect with one end of the retractor head.
The retractor head is " W " shape made of wire bending, is equipped with sleeve and thread head, and the thread head is located at drag hook
The front end of head, the outer surface portion of thread head are arranged with external screw thread, and sleeve is threadedly coupled with thread head, and the retractor head of " W " shape is curved
Arc-shaped arc section is formed at folding, the arc radius of each arc section is 2mm-4mm.
Further, the distance between arc section bottom of front end and front end of the retractor head is 3.0cm-3.5cm, preceding
Holding the distance between arc section and intermediate arc section is 3.3cm-4cm, the axial distance point of intermediate arc section and retractor head both ends
It Wei not 1cm-2cm.
Further, in a plane, retractor head is stretchable memory metal material system to the retractor head of described " W " shape
At.
Further, the sleeve is equipped with sharp front end.
Further, the drag hook bar and retractor head are bent by same one metal wire.
Used " W " type drag hook advantages more more than the " V " shape drag hook of routine, tip can be screwed out higher than in side
Between arc section designed so that skin penetrating process is lighter, at W-shaped fold back it is in the arc-shaped so that puncturing the laggard of skin
Withdraw of the needle hook is all easy to, and the sleeve with tip can screw out after piercing through skin from the shape retractor head end " W " blunt to expose
Shape end makes drag hook not have to concern tissue and blood vessel around damage when adjusting the position, due to the undercut of " W " shape design
It is one more than " V " shape design, and memory metal material allows W-shaped gib head to stretch under the action of cross force, therefore increases
The big acting surface of drag hook, muscles,ribbon and nutator can be more effectively retracted in device for endoscopic thyroid surgery, reaches and more fills
The effect for dividing ground to appear operation visual area.
The drag hook head shapes of the utility model be it is W-shaped, the W-shaped place of turning back is designed as U-shaped arc section more more sleek than V-arrangement, subtracts
The resistance that small pinhock is retreated inside Anterior jugular muscles.The end of retractor head is connected using the screw thread of the sleeve with tip and thread head
It connects, before puncturing skin, barrel tip can be made to be higher than the intermediate arc section on side by screwing out sleeve, thus make to puncture
Process is more light.After puncturing skin, then can screw out sleeve completely separates sleeve with intermediate arc section main body, exposes
The thread head with obtuse then will not damage easily vascular muscle in pinhock rotary course.Used memory metal material
Make retractor head that can design more undercuts, therefore the work of W-shaped drag hook and Anterior jugular muscles than V-arrangement with transversal stretching, W-shaped design
It is greatly increased with face than V-arrangement design, effect is more preferable in terms of exposure muscles,ribbon and the nutator visual field.
Detailed description of the invention
Fig. 1 is the hook structure schematic diagram of the pointed sleeve of the utility model band；
Fig. 2 is partial enlargement diagram at A in Fig. 1；
Fig. 3 is state partial enlargement diagram at the retractor head tip before the utility model puncture skin；
Fig. 4 is that the retractor head end local state without pointed sleeve after the utility model puncture skin amplifies signal
Figure.
In figure: 1-handle, 2-drag hook bars, 3-W-shaped retractor heads, 4-sleeves, 5-thread heads, 6-arc sections.
Specific embodiment
The present invention will be further described with reference to the accompanying drawings and examples:
A kind of device for endoscopic thyroid surgery special drag hook as shown in Figure 1:, including handle 1, drag hook bar 2 and retractor head 3, wherein
Retractor head 3 is in " W " shape, and one end of drag hook bar 2 is connect with handle 1, and the other end is connect with one end of retractor head 3, before retractor head 3
It holds and round and smooth is not easy to hurt hand, one section of screw thread of peripheral hardware, referred to as thread head 5.
The outside of the thread head is equipped with one section of external screw thread, correspondingly, cylindrical cavity is equipped in matched sleeve,
Cavity inner wall is equipped with one section of internal screw thread, and sleeve is equipped with sharp front end.
Before needing to be pierced into skin of neck, tapped sleeve 4 is screwed in into thread head 5, before sleeve 4 is equipped with sharply
End makes barrel tip be higher than arc section among side, enables puncture process without hindrance more easily.Handle 1 is grasped, such as Fig. 1,
Retractor head 3 is located at the left side of drag hook bar 2 at this time, to pull the Anterior jugular muscles of right neck.Retractor head 3 is by perpendicular to drag hook bar
2 axial fold back forms three " u "-shaped arc sections 6, and the radius of arc section is 2mm-4mm.Preferably, the retractor head
The distance between " W " shape front end and bottom arc section are 3.0cm-3.5cm, the distance between intermediate arc section and bottom arc section
For 3.3cm-4cm, the horizontal distance at intermediate arc section and both ends is respectively 1cm-1.5cm, with the muscle ruler with operation acting surface
It is very little to be adapted.Sleeve can adjust the height at tip by way of screwing in or screwing out thread head, and tip is being pierced into
Retractor head can be separated after skin and before operation, drag hook is avoided to damage tissue and blood vessel during rotation.It is described
When pulling Anterior jugular muscles, part muscle group is stuck in two bottom " u "-shaped arc sections 6 of retractor head retractor head, is set than " V " shape
More grooves are counted, and memory metal material makes W-shaped gib head can be with transversal stretching, therefore increases the acting surface of drag hook, makes
It must pull stronger, avoid Anterior jugular muscles and slip, ensure that the safety of device for endoscopic thyroid surgery.
The operating process of the utility model is as follows: being pierced into first with the needle tip of retractor head 3 from neck lateral cutaneous, then
Drag hook is rotated, the whole merging thyroid gland of retractor head 3 is intracavitary, finally use retractor head 3 by neck under the assistance of hysteroscope elastic separating plier again
Preceding muscle group retracts, and to achieve the purpose that exposed thyroid gland lesion, at the same time it can also adjust direction and the strength of drag hook, makes first shape
The exposure of adenopathy stove is more abundant, conducive to the operation of operation.
Drag hook bar 2 and retractor head 3 are bent using an one metal wire, and when production, choosing an one end first is in needle point
Then the other end of wire is connect by modes such as rivetings with handle 1, can be obtained finally by bending by the wire of shape
It arrives, it is simple for production, it is at low cost.
Claims (5)
1. a kind of device for endoscopic thyroid surgery special drag hook, it is characterised in that: including handle (1), drag hook bar (2) and retractor head (3),
One end of the drag hook bar (2) is connect with handle (1), and the other end is connect with the one end of the retractor head (3)；
The retractor head (3) is " W " shape made of wire bending, is equipped with sleeve (4) and thread head (5), the thread head (5)
Positioned at the front end of retractor head, the outer surface portion of thread head (5) is arranged with external screw thread, and sleeve (4) and thread head (5) screw thread connect
It connects, the retractor head bending place of " W " shape is formed arc-shaped arc section (6), and the arc radius of each arc section (6) is 2mm-4mm.
2. special drag hook according to claim 1, it is characterised in that: the front end of the retractor head and the arc section bottom of front end
The distance between portion is 3.0cm-3.5cm, and the distance between front end arc section and intermediate arc section are 3.3cm-4cm, middle circle
The axial distance at segmental arc to retractor head (3) both ends is 1cm-2cm.
3. special drag hook according to claim 1, it is characterised in that: the retractor head (3) of " W " shape in a plane, is drawn
Gib head is made of stretchable memory metal material.
4. special drag hook described according to claim 1~one of 3, it is characterised in that: the sleeve is equipped with sharp front end.
5. special drag hook according to claim 1, it is characterised in that: the drag hook bar (2) and retractor head (3) are by same root
Wire is bent.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720912399.XU CN208287033U (en) | 2017-07-25 | 2017-07-25 | A kind of device for endoscopic thyroid surgery special drag hook |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720912399.XU CN208287033U (en) | 2017-07-25 | 2017-07-25 | A kind of device for endoscopic thyroid surgery special drag hook |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208287033U true CN208287033U (en) | 2018-12-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720912399.XU Active CN208287033U (en) | 2017-07-25 | 2017-07-25 | A kind of device for endoscopic thyroid surgery special drag hook |
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| Country | Link |
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| CN (1) | CN208287033U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109758195A (en) * | 2019-01-28 | 2019-05-17 | 安徽医科大学第一附属医院 | A kind of anti-secondary insult type device for endoscopic thyroid special drag hook |
| CN111956278A (en) * | 2020-08-18 | 2020-11-20 | 南阳市中心医院 | Tissue traction device for assisting endoscope treatment |
-
2017
- 2017-07-25 CN CN201720912399.XU patent/CN208287033U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109758195A (en) * | 2019-01-28 | 2019-05-17 | 安徽医科大学第一附属医院 | A kind of anti-secondary insult type device for endoscopic thyroid special drag hook |
| CN111956278A (en) * | 2020-08-18 | 2020-11-20 | 南阳市中心医院 | Tissue traction device for assisting endoscope treatment |
| CN111956278B (en) * | 2020-08-18 | 2021-06-22 | 南阳市中心医院 | Tissue traction device for assisting endoscope treatment |
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