CN202740052U - Expander under endoscope - Google Patents
Expander under endoscope Download PDFInfo
- Publication number
- CN202740052U CN202740052U CN2012203101373U CN201220310137U CN202740052U CN 202740052 U CN202740052 U CN 202740052U CN 2012203101373 U CN2012203101373 U CN 2012203101373U CN 201220310137 U CN201220310137 U CN 201220310137U CN 202740052 U CN202740052 U CN 202740052U
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- CN
- China
- Prior art keywords
- dilator
- expander
- holding handle
- head
- hand holding
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- 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.)
- Withdrawn - After Issue
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Abstract
The utility model discloses an expander under an endoscope, which relates to the field of the medical equipment. In the expander, two expander heads are in the symmetrical shape, and are connected and mutually matched, and the two expander heads can be open or close. The two expander heads are in the gourd shape with round tips when being closed. In the operation, the round tips are used to puncture a basilar membrane, edges of a cut are then fixed to middle pits of the gourd-shaped head of the expander, and finally, the head of the expander is widened to widen the cut so as to meet the operation requirements, so that the cutting and widening functions can be realized by one expander. The expander has the advantages of simplicity in structural design, convenience in operation, and safety and efficiency in operation effects. The inner side of a holding handle is provided with multi-tooth locking toothed plates which are mutually matched, the opening width of the head of the expander cam be controlled by fixing the position of the holding handle, so that the size of the widened opening can be controlled to make the operation more convenient. The expander, which is made of a metal material, is convenient to sterilize at high temperature and hard to damage, and moreover, the expander can be used repeatedly, so the operation cost is lowered.
Description
Technical field
This utility model relates to medical instruments field, particularly a kind of Microendoscopic dilator.
Background technology
In recent years, develop rapidly along with neuroimaging, nerve endoscope manufacturing process, micro-surgical instruments and stereotaxis neuronavigation system, so that the operation method of neuroendoscope-assisted Complication is increasingly mature, indication is constantly widened, and plays a greater and greater role in noncommunicating hydrocephalus operative treatment field.Complication mainly is applicable to the noncommunicating hydrocephalus fistulation, also can be used for the noncommunicating hydrocephalus patient that shunting failure or isocon infect adhesion, stop up and cause the failed patient of shunting for isocon repeatedly, Complication is undoubtedly a kind of excellent alternative medicine.
For improving the safety and efficacy of operation, except selecting properly suitable hydrocephalus patient and skilled the grasp operation method and the operation skill, adopt the suitable operating theater instruments of high-quality, also be the key of Complication success.A step very crucial in the process of whole operation is fistulation, namely by the help of the operating theater instruments such as neuroendoscopy, makes the fistula mouth that a diameter is 5mm to 6mm at the ventriculus tertius basement membrane.The complication rate of Complication is low than bypass on the whole, about 5% to 7%, comprises mainly that the art medium-sized vein is hemorrhage, basilar artery break, postoperative intracranial hemorrhage, infection, of short duration loss of consciousness or hypothalamic function be low, mostly is greatly one and crosses property.Wherein the most dangerous complication is exactly that basilar artery and branch thereof break and cause massive hemorrhage.The sharp property such as probe fistulation technology fistulation is easy and effective, but misoperation very easily causes blood vessel and brain tissue impairment, for avoiding damaging basilar artery in operation, usually adopts sacculus dilating catheter eleven punch 11 fistulation in the prior art.
But inventor of the present utility model finds, adopt sacculus dilating catheter eleven punch 11 fistulation, because the conduit quality is softer, the blunt circle of head end, often be difficult to break through basement membrane, simultaneously special because of balloon material, price is more expensive, and damages easily, recycling rate of waterused is very low, bring very big inconvenience to clinical position, especially for the very tough or very resilient patient of three ventricles of the brain basement membrane, operation has also increased the risk of operation repeatedly.Therefore need to seek a kind of new fistulation apparatus, when guaranteeing the fistulation effect, improve safety and the ease for operation of operation.
The utility model content
The purpose of this utility model is to provide a kind of Microendoscopic dilator, utilizes an operating theater instruments just can realize the function of poking and strutting, and structural design is simple, and operation technique is more simple and convenient, and surgical effect is more safe and effective.
For solving the problems of the technologies described above, embodiment of the present utility model discloses a kind of Microendoscopic dilator, comprising: the first hand holding handle (1), the second hand holding handle (2), bolt (4), pin (16), hollow pipe (6), catch bar (7), the first dilator head (8), the second dilator head (9) and connecting plate (11);
Catch bar (7) places the centre bore of hollow pipe (6);
The first dilator head (8) and the second dilator head (9) are symmetrical shape, form the calabash shape with the blunt tip of circle (15) when both are involutory, the mid portion of this calabash shape (13) is hung carefully, expand anterior (14) and rear portion (12), and rear portion (12) diameter is greater than anterior (14) diameter;
The first hand holding handle (1) links to each other by bolt (4) with the second hand holding handle (2);
The rear portion of the rear portion of the first dilator head (8) and the second dilator head (9) is by pin (16) and connecting plate (11) pin joint, connecting plate (11) also is connected with an end of catch bar (7) by bolt (4), and the other end of catch bar (7) is connected with the first hand holding handle (1);
One end of hollow pipe (6) is connected with the second hand holding handle (2), and the other end is by pin (16) and the rear portion of the first dilator head (8) and the rear portion pin joint of the second dilator head (9).
This utility model embodiment compared with prior art, the main distinction and effect thereof are:
Two dilator heads are symmetrical shape, link together, cooperatively interact, can open and to close, when both are involutory, form the calabash shape with the blunt tip of circle, poke basement membrane with the blunt tip of circle first during operation, then the cut edge is fixed on the intermediate recess place of Pear-Shaped dilator head, strut at last the dilator head, strut cut, expansion struts mouth to the size that satisfies requirements of operation, utilize an operating theater instruments just can realize the function of poking and strutting, structural design is simple, and operation technique is more simple and convenient, and surgical effect is more safe and effective.
Further, be provided with the tooth plate of the multiple tooth snap close that cooperatively interacts in the inboard of hand holding handle, by the fixing position of hand holding handle, the width of control dilator head folding is convenient to control the size that struts mouthful, make operation technique more accurately, convenient.
Further, be provided with hand-held ring at the end of hand holding handle, more be convenient to hand-held and operation technique.
Further, runner is used for the head of unitary rotation dilator, is convenient to more effectively expose surgical field of view, makes operation technique easier.
Further, the design of fluting makes parallelogram that enough displacement spaces be arranged, so that control better the size that struts mouth.
Further, metal material is made, and is convenient to high-temp sterilizing, and not fragile, can reuse, and reduces the operation cost.
Description of drawings
Fig. 1 is the structural representation of a kind of Microendoscopic dilator in this utility model the first embodiment;
Fig. 2 is the structural representation of a kind of dilator head of Microendoscopic dilator in this utility model the first embodiment.
The specific embodiment
In the following description, in order to make the reader understand the application better many ins and outs have been proposed.But, persons of ordinary skill in the art may appreciate that even without these ins and outs with based on many variations and the modification of following each embodiment, also can realize each claim of the application technical scheme required for protection.
For making the purpose of this utility model, technical scheme and advantage clearer, below in conjunction with accompanying drawing embodiment of the present utility model is described in further detail.
This utility model the first embodiment relates to a kind of Microendoscopic dilator.Fig. 1 is the structural representation of this Microendoscopic dilator, and Fig. 2 is the enlarged drawing at the dilator head place of dilator shown in Figure 1.
Specifically, as depicted in figs. 1 and 2, this Microendoscopic dilator comprises: the first hand holding handle 1, the second hand holding handle 2, bolt 4, pin 16, hollow pipe 6, catch bar 7, the first dilator head 8, the second dilator head 9 and connecting plate 11.
Catch bar 7 places the centre bore of hollow pipe 6.
The first dilator head 8 and the second dilator head 9 are symmetrical shape, form the calabash shape with circle blunt most advanced and sophisticated 15 when both are involutory, and the mid portion 13 of this calabash shape is hung carefully, and expand at front portion 14 and rear portion 12, and rear portion 12 diameters are greater than anterior 14 diameters.
The first dilator head 8 and the second dilator head 9 link together, and cooperatively interact, and can open and can close, and form the calabash shape with the blunt tip of circle when both are involutory, as shown in Figure 2.
Specifically, when both be combined to form with the circle blunt tip the calabash shape time,
Blunt most advanced and sophisticated 15 the length of circle is 1mm to 2mm, and diameter is 0.1mm to 0.3mm.
Anterior 14 length is 2mm to 3mm, and diameter is 0.4mm to 0.6mm.
The diameter of mid portion 13 is 0.2mm to 0.4mm.
The length at rear portion 12 is 5mm to 8mm, and diameter is 0.8mm to 1.5mm.
When dilator struts, shape as shown in Figure 1: when this dilator head calabash shape struts, strut the diameter maximum and can reach 5mm to 8mm.
The first hand holding handle 1 links to each other by bolt 4 with the second hand holding handle 2.
In addition, also comprise: tooth plate 10, in the couple positioned opposite of the first hand holding handle 1 and the second hand holding handle 2 tooth plate 10 is arranged, this tooth plate 10 is provided with the multiple tooth snap close that cooperatively interacts.
Be provided with the tooth plate of the multiple tooth snap close that cooperatively interacts in the inboard of hand holding handle, by the fixing position of hand holding handle, the width of control dilator head folding is convenient to control the size that struts mouthful, make operation technique more accurately, convenient.
Certainly, this is of the present utility model preferred embodiment a kind of, and in some other embodiment of the present utility model, tooth plate 10 can not have yet.
In addition, also comprise: hand-held ring 3, the first hand holding handle 1 be connected the end of hand holding handle 2 and connect respectively a hand-held ring 3.
End at hand holding handle is provided with hand-held ring, is in order more to be convenient to hand-held and operation technique.
Similarly, this is of the present utility model preferred embodiment a kind of, and in some other embodiment of the present utility model, hand-held ring 3 can not have yet.
In addition, also comprise: runner 5, runner 5 are fixed on the first hand holding handle 1, and runner is used for the head of unitary rotation dilator, is convenient to more effectively expose surgical field of view, makes operation technique easier.
The rear portion of the rear portion of the first dilator head 8 and the second dilator head 9 is by pin 16 and connecting plate 11 pin joints, connecting plate 11 also is connected with an end of catch bar 7 by bolt 4, specifically, connecting plate 11 is the shapes that connect into parallelogram by bolt 4, an angle of the rear portion of the rear portion of the first dilator head 8 and the second dilator head 9 and this parallelogram is by pin 16 pin joints, and the diagonal angle at this angle is connected with an end of catch bar 7 by bolt 4.The other end of catch bar 7 is connected with runner 5.
Similarly, this is of the present utility model preferred embodiment a kind of, and in some other embodiment of the present utility model, connecting plate 11 can not be the shape that connects into parallelogram also, and runner 5 can not have yet.In the situation that does not have runner 5, the other end of catch bar 7 with directly be connected with the first hand holding handle 1.
One end of hollow pipe 6 is connected with the second hand holding handle 2, and the other end is by pin 16 and the rear portion of the first dilator head 8 and the rear portion pin joint of the second dilator head 9.
Particularly, the length of this hollow pipe 6 is 10cm to 50cm, and inner diameter is 0.8mm to 1.5mm.
One end of the rear portion pin joint of the rear portion of hollow pipe 6 and the first dilator head 8 and the second dilator head 9 is provided with fluting.The design of fluting makes parallelogram that enough displacement spaces be arranged, so that control better the size that struts mouth.
Similarly, this is of the present utility model preferred embodiment a kind of, and in some other embodiment of the present utility model, the front end of hollow pipe 6 can not slotted yet.
This Microendoscopic dilator is made by metal material.Metal material is made, and is convenient to high-temp sterilizing, and not fragile, can reuse, and reduces the operation cost.
Two dilator heads of this Microendoscopic dilator are symmetrical shape, link together, cooperatively interact, can open and to close, when both are involutory, form the calabash shape with the blunt tip of circle, when the dilator head of dilator struts, strut the diameter maximum and can reach 5mm to 8mm, can satisfy the requirement of actual operation.
Poke basement membrane with the blunt tip of circle first during operation, basement membrane is convenient to break through safely and effectively in the blunt tip of circle, especially for the very tough or very resilient patient of three ventricles of the brain basement membrane.Then the cut edge is fixed on the intermediate recess place of Pear-Shaped dilator head, struts at last the dilator head, strut cut, enlarge and strut mouth to satisfying requirements of operation, the design of Pear-Shaped makes the breach be easy to be strutted, and can according to the requirement of actual operation, safely and effectively the breach be strutted.
Utilize an operating theater instruments just can realize the function of poking and strutting, operation technique is more simple and convenient, and surgical effect is more safe and effective.
Although by reference some preferred implementation of the present utility model, this utility model is illustrated and describes, but those of ordinary skill in the art should be understood that and can do various changes to it in the form and details, and do not depart from spirit and scope of the present utility model.
Claims (10)
1. Microendoscopic dilator, it is characterized in that, comprising: the first hand holding handle (1), the second hand holding handle (2), bolt (4), pin (16), hollow pipe (6), catch bar (7), the first dilator head (8), the second dilator head (9) and connecting plate (11);
Catch bar (7) places the centre bore of hollow pipe (6);
The first dilator head (8) and the second dilator head (9) are symmetrical shape, form the calabash shape with the blunt tip of circle (15) when both are involutory, the mid portion of this calabash shape (13) is hung carefully, expand anterior (14) and rear portion (12), and rear portion (12) diameter is greater than anterior (14) diameter;
The first hand holding handle (1) links to each other by bolt (4) with the second hand holding handle (2);
The rear portion of the rear portion of the first dilator head (8) and the second dilator head (9) is by pin (16) and connecting plate (11) pin joint, connecting plate (11) also is connected with an end of catch bar (7) by bolt (4), and the other end of catch bar (7) is connected with the first hand holding handle (1);
One end of hollow pipe (6) is connected with the second hand holding handle (2), and the other end is by pin (16) and the rear portion of the first dilator head (8) and the rear portion pin joint of the second dilator head (9).
2. Microendoscopic dilator according to claim 1, it is characterized in that, described connecting plate (11) is the shape that connects into parallelogram by bolt (4), an angle pin joint of the first dilator head (8) and the second dilator head (9) and this parallelogram, the diagonal angle at this angle is connected with an end of catch bar (7) by bolt (4).
3. Microendoscopic dilator according to claim 2 is characterized in that, also comprises: tooth plate (10);
Couple positioned opposite at the first hand holding handle (1) and the second hand holding handle (2) has tooth plate (10), and this tooth plate (10) is provided with the multiple tooth snap close that cooperatively interacts.
4. Microendoscopic dilator according to claim 3 is characterized in that, also comprises: hand-held ring (3);
The first hand holding handle (1) be connected the end of hand holding handle (2) and connect respectively a hand-held ring (3).
5. Microendoscopic dilator according to claim 4 is characterized in that, also comprises: runner (5);
Runner (5) is fixed on the first hand holding handle (1), and an end of catch bar (7) is connected with runner (5).
6. Microendoscopic dilator according to claim 5 is characterized in that, the length of this hollow pipe (6) is 10cm to 50cm, and inner diameter is 0.8mm to 1.5mm.
7. Microendoscopic dilator according to claim 6 is characterized in that, the length at the blunt tip of the circle of calabash shape (15) is 1mm to 2mm, and diameter is 0.1mm to 0.3mm;
The length of anterior (14) is 2mm to 3mm, and diameter is 0.4mm to 0.6mm;
The diameter of mid portion (13) is 0.2mm to 0.4mm;
The length at rear portion (12) is 5mm to 8mm, and diameter is 0.8mm to 1.5mm.
8. Microendoscopic dilator according to claim 7 is characterized in that, when this dilator head calabash shape struts, struts the diameter maximum and can reach 5mm to 8mm.
9. Microendoscopic dilator according to claim 8 is characterized in that, an end of the rear portion of hollow pipe (6) and the first dilator head (8) and the rear portion pin joint of the second dilator head (9) is provided with fluting.
10. each described Microendoscopic dilator in 9 according to claim 1 is characterized in that this dilator is made by metal material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012203101373U CN202740052U (en) | 2012-06-28 | 2012-06-28 | Expander under endoscope |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012203101373U CN202740052U (en) | 2012-06-28 | 2012-06-28 | Expander under endoscope |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202740052U true CN202740052U (en) | 2013-02-20 |
Family
ID=47699514
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012203101373U Withdrawn - After Issue CN202740052U (en) | 2012-06-28 | 2012-06-28 | Expander under endoscope |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202740052U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102715925A (en) * | 2012-06-28 | 2012-10-10 | 上海交通大学医学院附属上海儿童医学中心 | Lower opener for endoscope |
| CN108567453A (en) * | 2018-03-15 | 2018-09-25 | 郭子恒 | A kind of new-type multi-purpose gun-shaped surgical dilator |
-
2012
- 2012-06-28 CN CN2012203101373U patent/CN202740052U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102715925A (en) * | 2012-06-28 | 2012-10-10 | 上海交通大学医学院附属上海儿童医学中心 | Lower opener for endoscope |
| CN102715925B (en) * | 2012-06-28 | 2014-09-17 | 上海交通大学医学院附属上海儿童医学中心 | Lower opener for endoscope |
| CN108567453A (en) * | 2018-03-15 | 2018-09-25 | 郭子恒 | A kind of new-type multi-purpose gun-shaped surgical dilator |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20130220 Effective date of abandoning: 20140917 |
|
| RGAV | Abandon patent right to avoid regrant |