CN208339546U - A kind of dilator for surgical operation - Google Patents
A kind of dilator for surgical operation Download PDFInfo
- Publication number
- CN208339546U CN208339546U CN201721196269.7U CN201721196269U CN208339546U CN 208339546 U CN208339546 U CN 208339546U CN 201721196269 U CN201721196269 U CN 201721196269U CN 208339546 U CN208339546 U CN 208339546U
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- CN
- China
- Prior art keywords
- screw rod
- support plate
- groove
- dilator
- sleeve
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model discloses a kind of dilator for surgical operation, including the first support plate and the second support plate, first support plate and the second support plate are symmetrical set, the right side wall of first support plate is equipped with the first screw rod and the second screw rod, the left side wall of second support plate is equipped with third screw rod and the 4th screw rod, first screw rod and third screw rod are correspondingly arranged, first sleeve is threaded between first screw rod and third screw rod, second screw rod and the 4th screw rod are correspondingly arranged, second sleeve is threaded between second screw rod and the 4th screw rod, external screw thread on second screw rod and the 4th screw rod is contrary, nut is additionally provided in the first sleeve and second sleeve, first support plate and the second support plate are in arc-shaped, the left side wall of first support plate is equipped with the first groove, it is described The right side wall of second support plate is equipped with the second groove, is suitble to be widely popularized.
Description
Technical field
The utility model relates to field of medical technology, specially a kind of dilator for surgical operation.
Background technique
Under planned economic system, health care system positioning is clear, and Chinese health care creates a series of splendidness,
The various aspects such as medical services, prevention and health care all achieve very big achievement.The medical services in rural area and cities and towns are also complete at this moment
Face expansion, the accessibility of medical services greatly enhance.Due to socio-economic development and the influence of overall national strength and " government affairs one
All there are some problems to some extent in terms of medical technology, service level and infrastructure construction in the management of change ", China.
This requires people constantly to explore new evolutionary path.China the medical support system be after founding of New gradually establish and
Grow up.Due to various reasons, the Chinese medical support system is town and country separation, each to have different feature and development by oneself
Process.In cities and towns, public expense, labor medicare system successively experienced, urban medical insurance reforms and pilot phase, in the whole country
The establishment of the basic medical insurance system for urban employees, and the stages such as exploration of health security system at many levels；It is adjoint in rural area
The ups and downs of system of cooperative medical service, make great efforts carry out new system of rural cooperative medical and health care services building-up work, and then to rural medical treatment protect
The diversification of barrier system carry out explore with it is perfect.
In recent years, Chinese Medical Device Manufacturers product gradually extends to multifunctional direction, and product structure constantly adjusts, market also with
It is continuous expansion.Medical instrument production concentration degree is gradually increased, and medical device industry economic scale is gradually expanded, new technology and new
Product continues to bring out, and medical apparatus industry has been increasingly becoming an important component of China's advanced manufacturing industry.There are data aobvious
Show, China Medical Device market annual sales amount is constantly increased up to 54,800,000,000 yuan with annual 9% speed.It is 2006, domestic
It will be more than 60,000,000,000 yuan that the market capacity of medical instrument is estimated.Meanwhile modern medicine prevention of disease and treatment are largely
The upper diagnosis dependent on advanced Medical Devices.
Expander is a kind of common surgical instrument, and dilator for surgical operation structure in the prior art is multiple
Miscellaneous, cost is high, is difficult to realize finely tune in expansion, is easy to pull patient tissue, it is difficult to meet people's demand.
Utility model content
The purpose of this utility model is to provide a kind of dilator for surgical operation, to solve to propose in above-mentioned background technique
The problem of.
To achieve the above object, the utility model provides the following technical solutions: a kind of dilator for surgical operation, including the
One support plate and the second support plate, first support plate and the second support plate are symmetrical set, first support plate
Right side wall is equipped with the first screw rod and the second screw rod, and the left side wall of second support plate is equipped with third screw rod and the 4th spiral shell
Bar, first screw rod and third screw rod are correspondingly arranged, and are threaded with first set between first screw rod and third screw rod
Tin, the external screw thread on first screw rod and third screw rod is contrary, and second screw rod and the 4th screw rod are correspondingly arranged, institute
It states and is threaded with second sleeve between the second screw rod and the 4th screw rod, the external screw thread side on second screw rod and the 4th screw rod
To on the contrary, being additionally provided with nut in the first sleeve and second sleeve, first support plate and the second support plate are in arc-shaped,
The left side wall of first support plate is equipped with the first groove, and the right side wall of second support plate is equipped with the second groove.
Preferably, the specification of first groove and the second groove is identical, the depth of first groove and the second groove
Not less than 8mm.
Preferably, the edge of first groove and the second groove is equipped with circular arc chamfering.
Preferably, first screw rod and the second screw rod are parallel to each other, and first screw rod and the second screw rod are welded in
First support plate.
Preferably, the third screw rod and the 4th screw rod are parallel to each other, and the third screw rod and the 4th screw rod are welded in
Second support plate.
Compared with prior art, the utility model has the beneficial effects that the utility model structure novel, easy to operate, lead to
The left side wall crossed in the first support plate is equipped with the first groove, is equipped with the second groove, the first groove in the right side wall of the second support plate
It is equipped with circular arc chamfering with the edge of the second groove, prevents plowing from patient tissue, when being expanded, logical spiral shell need to be only twisted by spanner
Mother rotates first sleeve and second sleeve, adjusts relative distance and the second screw rod between the first screw rod and third screw rod
And the 4th relative distance between screw rod, to adjust the relative distance between the first support plate and the second support plate, screw thread connects
The mode connect is easy to implement fine adjustment, avoids pulling patient muscle tissue, and structure is simple, reduces production cost, has very high
Practicability greatly improves a kind of use functionality of dilator for surgical operation, guarantees its using effect and utilization benefit,
It is suitble to be widely popularized.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of dilator for surgical operation of the utility model；
Fig. 2 is a kind of portion the A enlarged structure schematic diagram of dilator for surgical operation of the utility model；
Fig. 3 is a kind of B-B schematic cross-sectional view of dilator for surgical operation of the utility model.
In figure: 1 first support plate, 2 second support plates, 3 first screw rods, 4 second screw rods, 5 third screw rods, 6 the 4th screw rods,
7 first sleeves, 8 second sleeves, 9 nuts, 10 first grooves, 11 second grooves.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
Fig. 1-3 is please referred to, the utility model provides a kind of technical solution: a kind of dilator for surgical operation, including first
Support plate 1 and the second support plate 2, first support plate 1 and the second support plate 2 are symmetrical set, first support plate 1
Right side wall be equipped with the first screw rod 3 and the second screw rod 4, the left side wall of second support plate 2 is equipped with third screw rod 5 and the
Four screw rods 6, first screw rod 3 and third screw rod 5 are correspondingly arranged, and screw thread connects between first screw rod 3 and third screw rod 5
It is connected to first sleeve 7, first screw rod 3 is contrary with the external screw thread on third screw rod 5, second screw rod 4 and the 4th
Screw rod 6 is correspondingly arranged, and second sleeve 8,4 He of the second screw rod are threaded between second screw rod 4 and the 4th screw rod 6
External screw thread on 4th screw rod 6 is contrary, is additionally provided with nut 9 in the first sleeve 7 and second sleeve 8, and described first
Fagging 1 and the second support plate 2 are in arc-shaped, and the left side wall of first support plate 1 is equipped with the first groove 10, second support
The right side wall of plate 2 is equipped with the second groove 11, and first groove 10 is identical with the specification of the second groove 11, first groove 10
It is not less than 8mm with the depth of the second groove 11, the edge of first groove 10 and the second groove 11 is equipped with circular arc chamfering, described
First screw rod 3 and the second screw rod 4 are parallel to each other, and first screw rod 3 and the second screw rod 4 are welded in the first support plate 1, described
Third screw rod 5 and the 4th screw rod 6 are parallel to each other, and the third screw rod 5 and the 4th screw rod 6 are welded in the second support plate 2.
Working principle: a kind of dilator for surgical operation of the utility model, in use, by a left side for the first support plate 1
Side wall is equipped with the first groove 10, is equipped with the second groove 11, the first groove 10 and the second groove 11 in the right side wall of the second support plate 2
Edge be equipped with circular arc chamfering, prevent plowing from patient tissue, when being expanded, only need to twist logical nut 9 by spanner, make first
Sleeve 7 and second sleeve 8 rotate, and adjust relative distance between the first screw rod 3 and third screw rod 5 and the second screw rod 4 and the
Relative distance between four screw rods 6 is threadedly coupled to adjust the relative distance between the first support plate 1 and the second support plate 2
Mode be easy to implement fine adjustment, avoid pulling patient muscle tissue, structure is simple, reduce production cost, have very high reality
The property used.
In the present invention unless specifically defined or limited otherwise, term " installation ", " connected ", " connection ", " Gu
It is fixed " etc. terms shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected；It can
To be mechanical connection, it is also possible to be electrically connected；It can be directly connected, can also can be indirectly connected through an intermediary
Connection inside two elements.For the ordinary skill in the art, above-mentioned term can be understood as the case may be
Concrete meaning in the present invention.
While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art,
It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired
Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.
Claims (5)
1. a kind of dilator for surgical operation, including the first support plate (1) and the second support plate (2), it is characterised in that: described
One support plate (1) and the second support plate (2) are symmetrical set, and the right side wall of first support plate (1) is equipped with the first spiral shell
The left side wall of bar (3) and the second screw rod (4), second support plate (2) is equipped with third screw rod (5) and the 4th screw rod (6), institute
It states the first screw rod (3) and third screw rod (5) is correspondingly arranged, be threaded between first screw rod (3) and third screw rod (5)
First sleeve (7), the external screw thread on first screw rod (3) and third screw rod (5) is contrary, second screw rod (4) and
4th screw rod (6) is correspondingly arranged, and is threaded with second sleeve (8) between second screw rod (4) and the 4th screw rod (6), institute
The external screw thread stated on the second screw rod (4) and the 4th screw rod (6) is contrary, on the first sleeve (7) and second sleeve (8) also
Equipped with nut (9), first support plate (1) and the second support plate (2) are in arc-shaped, the left side of first support plate (1)
Wall is equipped with the first groove (10), and the right side wall of second support plate (2) is equipped with the second groove (11).
2. a kind of dilator for surgical operation according to claim 1, it is characterised in that: first groove (10) and
The specification of two grooves (11) is identical, and the depth of first groove (10) and the second groove (11) is not less than 8mm.
3. a kind of dilator for surgical operation according to claim 1, it is characterised in that: first groove (10) and
The edge of two grooves (11) is equipped with circular arc chamfering.
4. a kind of dilator for surgical operation according to claim 1, it is characterised in that: first screw rod (3) and
Two screw rods (4) are parallel to each other, and first screw rod (3) and the second screw rod (4) are welded in the first support plate (1).
5. a kind of dilator for surgical operation according to claim 1, it is characterised in that: the third screw rod (5) and
Four screw rods (6) are parallel to each other, and the third screw rod (5) and the 4th screw rod (6) are welded in the second support plate (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721196269.7U CN208339546U (en) | 2017-09-19 | 2017-09-19 | A kind of dilator for surgical operation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721196269.7U CN208339546U (en) | 2017-09-19 | 2017-09-19 | A kind of dilator for surgical operation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208339546U true CN208339546U (en) | 2019-01-08 |
Family
ID=64874568
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721196269.7U Expired - Fee Related CN208339546U (en) | 2017-09-19 | 2017-09-19 | A kind of dilator for surgical operation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208339546U (en) |
-
2017
- 2017-09-19 CN CN201721196269.7U patent/CN208339546U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190108 Termination date: 20190919 |