CN104905897A - Novel biliary tract stent embedding device for animal experiments - Google Patents
Novel biliary tract stent embedding device for animal experiments Download PDFInfo
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- CN104905897A CN104905897A CN201510317820.8A CN201510317820A CN104905897A CN 104905897 A CN104905897 A CN 104905897A CN 201510317820 A CN201510317820 A CN 201510317820A CN 104905897 A CN104905897 A CN 104905897A
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- guide wire
- bile duct
- common bile
- propulsive element
- biliary tract
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Abstract
The invention provides a novel biliary tract stent embedding device for animal experiments. The novel biliary tract stent embedding device comprises a guide steel wire, a propelling part and a choledoch clamp, the head of the guide steel wire is semicircular, the propelling part is of a hollow structure, the guide steel wire can penetrate the propelling part, the choledoch clamp is of a V-shaped structure integrally and is provided with an upper clamping arm and a lower clamping arm, an elastic part is arranged at the tail of the choledoch clamp, the upper clamping arm and the lower clamping arm are used for clamping a choledoch to serve as a marker of the choledoch and a mark of an embedding end point of the guide steel wire, one end of the guide steel wire penetrates the hollow structure inside the propelling part and finally reaches the choledoch clamp, and a stent needing to be embedded is penetratingly arranged on the guide steel wire and positioned between the head of the propelling part and the choledoch clamp. The novel biliary tract stent embedding device has the advantages of small damage, easiness in operation and low animal death rate and is suitable for embedding of choledoch stents in the animal experiments, operation success rate can be increased remarkably, and animal death caused by bad events like biliary fistula is reduced.
Description
Technical field
The present invention relates to Animal Medicine instrument field, particularly, relate to a kind of zoopery biliary tract rack embedded device.
Background technology
Biliary tract such as choledocholithiasis, stenosis of common bile duct, tumor of biliary tract etc. are common clinical and frequently-occurring disease.Because biliary tract rack not only can play the effects such as drain, decompression, support, also help the healing of biliary tract, therefore biliary tract rack is implanted to the better method that narrow or diseased region is the treatment biliary tract of generally acknowledging at present.Biliary tract rack mostly in the past is non-degradable material and makes, and along with the appearance of various biodegradable new material, the Novel biliary tract support that research and development biliary tract can carry needs has become the focus studied at present, and the zoopery that various biliary tract rack is implanted increases gradually.
But the zoopery that biliary tract rack is inserted also exposes some problems, comparatively outstanding is the animal dead that operating process easily causes that common bile duct damages, implant frame is failed, postoperative leak causes, and these problems seriously hinder novel choledoch-research and development speed and quality.Occur that the reason of these adverse events has: 1. the common bile duct of animal is comparatively thin, and the Common Bile Duct Diameter as new zealand rabbit is about 1.5mm, so tiny common bile duct cuts, the operation technique difficulty such as stitching is very big.Sew up tension or cross secret meeting and cause stenosis of common bile duct, obturation; Otch is slightly large, stitching is partially dredged and can be caused gallbladder fistula; 2. the common bile duct of animal is shorter, and the common bile duct total length as new zealand rabbit is about 12mm, the about long 3mm of safe stringer otch that can bear, and in so little common bile duct otch, placing rack success rate is extremely low; 3. working place is little, has SDP gland around common bile duct, and these tissues can affect surgical field of view, causes tiny common bile duct to be difficult to expose, strengthens operating difficulty; 4. although the common bile duct of the large animal such as pig is relatively thick, but the cost of large animal is high, be not suitable for the zoopery carrying out large sample amount, the complication such as certain leak, biliary tract stenosis also can be caused by the method for traditional common bile → Stent Implantation → stitching simultaneously to occur.
As can be seen here, existing biliary tract rack is inserted zoopery and be there is certain deficiency and defect, urgently improves further.Therefore how to design one can effectively biliary tract prosthesis embedded device, the complication such as leak and stenosis of common bile duct can not be caused, reduce the dead and reliable zoopery biliary tract rack embedded device easy and simple to handle of laboratory animal, belong to one of important topic of current research and development in fact.
Summary of the invention
For the defect that prior art exists, the object of this invention is to provide a kind of novel zoopery biliary tract rack embedded device, the assembling of this device is simple, easy to operate, can reduce the various complication that cause of performing the operation, and is particularly suitable for toy, the common bile duct of large animal inserts experiment.
For achieving the above object, novel zoopery biliary tract rack embedded device of the present invention, comprises guide wire, propulsive element, common bile duct folder, wherein: described guide wire head is semicircle; Described propulsive element is hollow structure, and guide wire can pass in propulsive element; Described common bile duct folder is overall is provided with upper and lower two jig arm, the flexible parts of afterbody in " V " type structure, upper and lower two jig arm for being clipped in common bile duct, as choledoch-label and the mark of inserting terminal as guide wire.Guide wire one end is through propulsive element hollow structure inside, and this end finally arrives described common bile duct folder position; The support of inserting is needed to be through on guide wire, and between propulsive element head and common bile duct press from both sides, drive propulsive element afterbody to be slided along guide wire by propulsive element, in sliding process, need the support of inserting to be pushed into fitting head to promote, advance along guide wire and arrive desired location.The present invention is applicable to the implantation of common bile duct support in zoopery, can significantly improve success rate of operation, reduce animal dead because the adverse events such as leak cause.
Preferably, described guide wire is flexible, flexible, and guide wire two ends are semicircle, can reduce common bile duct damage.
Preferably, described propulsive element head is tapered, and afterbody expands, the hand-held propulsive element afterbody of convenient operation person.Described propulsive element is hollow structure, can hold guide wire and pass, pinch propulsive element afterbody, propulsive element can be slided along guide wire.
Preferred, described propulsive element, with scale, can be used for observing placed-depth.
Preferred, the smooth anodontia stricture of vagina in inner side of described upper and lower two jig arm, can undamagedly be clipped on common bile duct.
In the present invention, described guide wire, propulsive element, common bile duct folder need be with the use of.Guide wire, propulsive element, common bile duct folder can make corresponding large ting model according to actual needs.
When the present invention specifically uses, abdominal under the successful prerequisite of anesthesia, carries out following operating procedure:
1. expose common bile duct, press from both sides a common bile duct folder in common bile duct stage casing as labelling;
2. will the support of inserting be needed to be through on guide wire, then propulsive element is through on guide wire, for subsequent use;
3. on duodenum, make the otch of a 1 ~ 1.5cm, find vater's papilla, guide wire with support and propulsive element is inserted vater's papilla, and inserts forward, after arriving the common bile duct folder position of clamping in advance, propulsive element is pushed ahead along guide wire, the support in front is moved forward together, and support extracts guide wire out after arriving the common bile duct folder position of clamping in advance, exit propulsive element again, complete inserting of common bile duct support;
4. sew up duodenum and abdominal incision.
Guide wire two ends of the present invention are hemispherical, can avoid stabbing common bile duct in operating process; Propulsive element can slide on guide wire, and common bile duct folder provides corresponding Pressure value, and inside jig arm, smooth anodontia stricture of vagina, can undamagedly be clipped on common bile duct.Compared to traditional animal experiment method, use the common bile duct support embedded device overall process of the present invention's design without the need to cutting, sewing up tiny common bile duct, the overwhelming majority operates in duodenum end and completes, and effectively decreases leak, the common operation on biliary tract complication such as stenosis of bile duct.
Compared with prior art, the present invention has following beneficial effect:
1., without the need to implementation and operation on tiny common bile duct, reduce the difficulty that support is inserted;
2. improve common bile duct support and insert success rate, decrease the post-operative complication such as leak;
3. the location owing to there being common bile duct to press from both sides, support can not be inserted too high or too low, and can not be mistakenly inserted liver, safety is high.
Accompanying drawing explanation
By reading the detailed description done non-limiting example with reference to the following drawings, other features, objects and advantages of the present invention will become more obvious:
Fig. 1 is the structural representation of zoopery biliary tract rack embedded device of the present invention;
Fig. 2 is the structure sectional view of propulsive element in one embodiment of the invention;
Fig. 3 is the structure sectional view of common bile duct folder in one embodiment of the invention;
Fig. 4 is common bile duct, duodenum, vater's papilla position view;
In figure: 1 is guide wire, 2 is the main body bar of propulsive element, and 3 is propulsive element afterbody, and 4 is the jig arm of common bile duct folder, and 5 is common bile duct folder axle, and 6 is the spring that common bile duct presss from both sides, and 7 is common bile duct, and 8 is support, and 9 is vater's papilla.
Detailed description of the invention
Below in conjunction with specific embodiment, the present invention is described in detail.Following examples will contribute to those skilled in the art and understand the present invention further, but not limit the present invention in any form.It should be pointed out that to those skilled in the art, without departing from the inventive concept of the premise, some distortion and improvement can also be made.These all belong to protection scope of the present invention.
As Figure 1-3, the present embodiment provides a kind of novel zoopery biliary tract rack embedded device, and described device comprises guide wire 1, propulsive element, common bile duct folder, wherein: described guide wire 1 head is semicircle; Described propulsive element is hollow structure, and guide wire 1 can pass in propulsive element; Described common bile duct folder is overall, and in " V " type structure, be provided with upper and lower two jig arm 4, afterbody 3 has spring 6, upper and lower two jig arm 4 for being clipped in common bile duct, as choledoch-label and the mark of inserting terminal as guide wire 1; Guide wire 1 one end is through propulsive element hollow structure inside, and this end finally arrives described common bile duct folder position; The support 8 of inserting is needed to be through on guide wire 1, and between propulsive element head and common bile duct press from both sides, propulsive element afterbody 3 is driven to be slided along guide wire 1 by propulsive element, in sliding process, need the support 8 of inserting to be pushed into fitting head to promote, advance along guide wire 1 and arrive desired location.
Preferably implement as one, described guide wire 1 is flexible, flexible, and steel wire two ends are semicircle, can reduce common bile duct damage.
As shown in Figure 2, in an embodiment of the present invention, described propulsive element adopts rod member made of plastic, is tubular structure.The main body bar 2 of described propulsive element is provided with scale, and the afterbody 3 of described propulsive element is convenient to user operation for expanding shape.
In an embodiment of the present invention, upper and lower two jig arm 4 of described common bile duct folder are connected by folder axle 5, and upper and lower two jig arm can be movable relative to folder axle 5.Afterbody 3 after upper and lower two jig arm 4 connect is provided with spring 6, and spring 6 is to better produce Pressure value.The entirety of described common bile duct folder, in " V " type structure, can be clipped on common bile duct, as shown in Figure 3.
In an embodiment of the present invention, the long 20cm of described guide wire, has two profiles number, and its diameter is respectively 0.5mm, 1mm, and steel wire two ends are semicircle; The long 10cm of described plastics propulsive element main body bar 2, the long 1.5cm of afterbody 3 expanded.Plastics propulsive element is hollow structure, can hold guide wire and pass, and the pushing ram internal diameter of two profiles number is respectively 0.6mm, 1.1mm; Described common bile duct folder total length 3cm.
Preferably implement as one, smooth anodontia stricture of vagina inside upper and lower two jig arm 4, can reduce clip to choledoch-damage, and described common bile duct folder can provide the Pressure value of 30 grams, 50 grams, can undamagedly in the short time be clipped on common bile duct.
Guide wire 1 of the present invention, plastics propulsive element, common bile duct folder need be with the use of.Guide wire 1 has two profiles number, according to the difference of animal size, can choose different model, and such as: the long 20cm of guide wire, the steel wire diameter of two kinds of models is respectively 0.5mm (small size guide wire), 1mm (large size guide wire); Described plastics propulsive element is hollow structure, supporting with guide wire, also has two kinds of models, and its internal diameter of the pipeline is respectively 0.6mm (small size propulsive element), 1.1mm (large size propulsive element); Described common bile duct folder also has two kinds of models, and its Pressure value provided is respectively 30 grams (small size common bile duct folders), 50 grams (large size common bile duct folder).
Small size guide wire 1 easily can insert the vater's papilla of toy under direct-view, and large size guide wire 1 easily can insert the vater's papilla of large animal under direct-view.Plastics propulsive element has two profiles number, and small size plastics propulsive element can hold small size guide wire 1, and large size plastics propulsive element can hold large size guide wire 1.Common bile duct accompanies two profiles number, and small size common bile duct folder provides 30 grams of Pressure value, and for clamping toy common bile duct, large size common bile duct folder provides 50 grams of Pressure value, for clamping large animal common bile duct.
Small size guide wire, small size propulsive element, small size common bile duct folder composition ting model zoopery biliary tract rack 8 embedded device, be applicable to the toys such as rabbit; Model zoopery biliary tract rack 8 embedded device in large size guide wire, large size propulsive element, large size common bile duct folder composition, is applicable to the large animal such as Canis familiaris L., pig.
As shown in Figure 4, operation principle of the present invention: the common bile duct of animal is tiny, be difficult to carry out meticulous operation on common bile duct, current common bile duct support 8 is inserted zoopery and be there is the shortcoming that success rate is low, mortality of animals is high.But the duodenum volume adjacent with common bile duct is comparatively large, be very easy to expose, blood supplies, and healing ability is strong, and common bile duct is communicated with duodenum by vater's papilla.The present invention designs a kind of guide wire 1, by the reverse insertion common bile duct of vater's papilla, then along guide wire, support 8 is pushed common bile duct 7 by propulsive element.In order to prevent from inserting deeply, the present invention devises a kind of common bile duct folder, is clipped in advance on common bile duct 7 as label.
As Figure 1-3, a kind of three parts of novel zoopery biliary tract rack 8 embedded device need to coordinate, and use by certain operating sequence, concrete:
1. anaesthetize successfully, make abdominal incision, expose common bile duct, press from both sides a common bile duct folder in common bile duct stage casing as labelling, this clip has two aspect effects:
A. labelling common bile duct, not be used in operation process and repeatedly finds tiny common bile duct;
B. insert the mark of terminal as guide wire 1, when guide wire 1 is after vater's papilla inserts common bile duct, be inserted into common bile duct folder folder and close place, meet obstructions, just stop continuing to insert, guide wire 1 can be avoided to insert deeply, damage bile duct and liver;
2. will the support 8 of inserting be needed to be through on guide wire 1, then plastics propulsive element is through on guide wire 1, for subsequent use; As shown in Figure 2, in figure: common bile duct folder has been clipped on common bile duct, and support 8 and propulsive element are assemblied on guide wire 1.Then on duodenum, make the otch of a 1 ~ 1.5cm, look for and see vater's papilla, guide wire 1 with support 8 and plastics propulsive element is inserted vater's papilla, and inserts forward, after arriving the common bile duct folder position of clamping in advance, plastics propulsive element is pushed ahead along guide wire 1, the support 8 in front is moved forward together, and support 8 extracts guide wire 1 out after arriving the common bile duct folder position of clamping in advance, exit plastics propulsive element again, complete inserting of common bile duct support 8; Finally sew up duodenum and abdominal incision.
The present invention is adapted at using in zoopery, and the common bile duct support 8 that can not be used for human body is inserted; The present invention greatly can improve support 8 and insert success rate, reduces operation wound, Protection animal.
Above specific embodiments of the invention are described.It is to be appreciated that the present invention is not limited to above-mentioned particular implementation, those skilled in the art can make various distortion or amendment within the scope of the claims, and this does not affect flesh and blood of the present invention.
Claims (9)
1. a novel zoopery biliary tract rack embedded device, is characterized in that, described device comprises guide wire, propulsive element, common bile duct folder, wherein: described guide wire head is semicircle; Described propulsive element is hollow structure, and guide wire passes in propulsive element; Described common bile duct folder is overall is provided with upper and lower two jig arm, the flexible parts of afterbody in " V " type structure, upper and lower two jig arm for being clipped in common bile duct, as choledoch-label and the mark of inserting terminal as guide wire; Guide wire one end is through propulsive element hollow structure inside, and this end finally arrives described common bile duct folder position; The support of inserting is needed to be through on guide wire, and between propulsive element head and common bile duct press from both sides, drive propulsive element afterbody to be slided along guide wire by propulsive element, in sliding process, need the support of inserting to be pushed into fitting head to promote, advance along guide wire and arrive desired location.
2. one according to claim 1 novel zoopery biliary tract rack embedded device, is characterized in that, described guide wire is elastomeric element, flexible, and guide wire two ends are semicircle.
3. one according to claim 1 novel zoopery biliary tract rack embedded device, is characterized in that, described propulsive element head is tapered, and afterbody expands.
4. one according to claim 1 novel zoopery biliary tract rack embedded device, is characterized in that, described propulsive element with scale, for observing placed-depth.
5. one according to claim 1 novel zoopery biliary tract rack embedded device, is characterized in that, the smooth anodontia stricture of vagina in inner side of described upper and lower two jig arm, can undamagedly be clipped on common bile duct.
6. the novel zoopery biliary tract rack of the one according to any one of claim 1-5 embedded device, it is characterized in that, described guide wire, propulsive element, common bile duct folder with the use of, guide wire, propulsive element are applicable to the model of different Common Bile Duct Diameter.
7. one according to claim 6 novel zoopery biliary tract rack embedded device, is characterized in that, the long 20cm of described guide wire, has two profiles number, and its diameter is respectively 0.5mm, 1mm, and guide wire two ends are semicircle.
8. one according to claim 7 novel zoopery biliary tract rack embedded device, is characterized in that, described propulsive element is divided into two parts: main body bar and afterbody, the long 10cm of main body bar, the long 1.5cm of the afterbody expanded; Corresponding to the two profiles number of described guide wire, the pushing ram internal diameter of described propulsive element two profiles number is respectively 0.6mm, 1.1mm.
9. one according to claim 8 novel zoopery biliary tract rack embedded device, is characterized in that, described common bile duct folder total length 3cm, has two profiles common bile duct to press from both sides, provide the Pressure value of 30 grams, 50 grams respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510317820.8A CN104905897B (en) | 2015-06-10 | 2015-06-10 | A kind of zoopery biliary tract rack embedded device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510317820.8A CN104905897B (en) | 2015-06-10 | 2015-06-10 | A kind of zoopery biliary tract rack embedded device |
Publications (2)
| Publication Number | Publication Date |
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| CN104905897A true CN104905897A (en) | 2015-09-16 |
| CN104905897B CN104905897B (en) | 2017-11-14 |
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| CN201510317820.8A Expired - Fee Related CN104905897B (en) | 2015-06-10 | 2015-06-10 | A kind of zoopery biliary tract rack embedded device |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20030125791A1 (en) * | 2000-05-30 | 2003-07-03 | Jacques Sequin | Noncylindrical stent deployment system for treating vascular bifurcations |
| CN202619764U (en) * | 2012-05-28 | 2012-12-26 | 栾响 | Novel hemostatic clamp |
| WO2013160452A1 (en) * | 2012-04-27 | 2013-10-31 | Aesculap Ag | One‑part surgical clip |
| CN104068952A (en) * | 2014-07-14 | 2014-10-01 | 业聚医疗器械(深圳)有限公司 | Auxiliary catheter for guiding delivery of endovascula stent |
| CN104174108A (en) * | 2013-09-02 | 2014-12-03 | 河南科技大学第一附属医院 | Laparoscope and common bile duct exploration T tube introducer |
-
2015
- 2015-06-10 CN CN201510317820.8A patent/CN104905897B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20030125791A1 (en) * | 2000-05-30 | 2003-07-03 | Jacques Sequin | Noncylindrical stent deployment system for treating vascular bifurcations |
| WO2013160452A1 (en) * | 2012-04-27 | 2013-10-31 | Aesculap Ag | One‑part surgical clip |
| CN104244846A (en) * | 2012-04-27 | 2014-12-24 | 蛇牌股份公司 | One-part surgical clip |
| CN202619764U (en) * | 2012-05-28 | 2012-12-26 | 栾响 | Novel hemostatic clamp |
| CN104174108A (en) * | 2013-09-02 | 2014-12-03 | 河南科技大学第一附属医院 | Laparoscope and common bile duct exploration T tube introducer |
| CN104068952A (en) * | 2014-07-14 | 2014-10-01 | 业聚医疗器械(深圳)有限公司 | Auxiliary catheter for guiding delivery of endovascula stent |
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| CN104905897B (en) | 2017-11-14 |
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