CN204169953U - A kind of novel intestinal internal bypass device that can automatically discharge - Google Patents
A kind of novel intestinal internal bypass device that can automatically discharge Download PDFInfo
- Publication number
- CN204169953U CN204169953U CN201420464497.8U CN201420464497U CN204169953U CN 204169953 U CN204169953 U CN 204169953U CN 201420464497 U CN201420464497 U CN 201420464497U CN 204169953 U CN204169953 U CN 204169953U
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- China
- Prior art keywords
- retainer ring
- protective sleeve
- intestinal
- bypass device
- internal bypass
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Abstract
This utility model relates to a kind of novel intestinal internal bypass device that can automatically discharge, and it is characterized in that: by retainer ring, protective sleeve and insert aid and form.The axis of retainer ring has mesopore, is made up of absorbable material; Protective sleeve one end relies on its elasticity to be tightened in the outside of retainer ring, and the other end is open, is curlingly placed in below retainer ring, and during use, protective sleeve is to downward-extension 30-50cm, covers bowel anastomosis mouth and also stretches out outside anus, and protection anastomotic stoma is not by fecal pollution.This intestinal internal bypass device is easy and simple to handle, and cost is low, can protect rectum anastomotic stoma safely and reliably, can select guard time-----can certain hour after surgery according to patient profiles again, get rid of external voluntarily from anus.
Description
Technical field
This utility model relates to a kind of medical apparatus, specifically a kind ofly provides the surgery device of provisional protection for rectum anastomotic stoma.
Background technology
Rectal cancer is one of modal malignant tumor of China, occupies malignant tumor the 3rd at the sickness rate in city.In rectal cancer surgery process, the use of coinciding machine, the incidence rate of rectum low anastomosis postoperative anastomotic fistula can be made to decrease, but in recent years along with increasing of ultralow anastomosis and popularizing of Total mesorectal (larger on the impact of stoma site blood fortune), the incidence rate of postoperative anastomotic fistula is than obvious increase in the past---it is reported more than 10%.The occurrence cause of rectum postoperative anastomotic fistula, transport apart from the distance of anus, anastomotic stoma blood with anastomotic stoma, age of patient and underlying diseases (diabetes etc.) have relation, and anastomotic stoma is in the inevitable excrement and urine polluting environment of coton and rectal, it is the main cause that anastomotic stoma growth difficulty and fistula mouth occur.Fistula of operative incision, once occur, has certain danger, has to report and to cause due to fistula of operative incision dead probability at 7.5-36%, is the modal cause of death after operation on rectum.
Patent Office of the People's Republic of China has announced the patent of a No. CN101264028 on the 17th in JIUYUE in 2008, name is called " the intestinal internal bypass device based on Valtrac anastomosis ring ", comprise the Valtrac anastomosis ring that can be placed in intestinal, Valtrac anastomosis ring is socketed with the acceptable flexible hose of human body, and flexible hose has enough length to ensure that the other end of flexible hose is extensible and to exceed applied bowel anastomosis place and to outside anus.The principle of this patent is make feces not pollute anastomotic stoma by rubber protecting jacket equally, the Valtrac anastomosis ring that this patent uses script produced in USA to coincide for intestinal port to port, this ring structure is more complicated, expensive, and retail price is up to more than 6,000 yuan clinically; And need upper ring and a lower ring fastening in enteric cavity---inconvenient operation during operation.
Patent Office of the People's Republic of China has announced the patent of No. 102,387,759 A, a CN on March 21st, 2012, name is called " surgery device for the temporary protection of anastomotic stoma ", comprise the semi-rigid hollow stave that is called interim anchoring element, this leement duration is 70mm to 150mm, be made up of memorial alloy, may contract to diameter 10mm, expand rear diameter slightly larger than intestinal tube diameter; Connect sheath below this tube element, the biocompatible flexible material being 0.05mm to 1mm by wall thickness is made.This patent is similar to the lower end of covered stnet in conventional intestinal tube and connects the flexible protective casing reaching 1 meter; in art or postoperatively by introducer and semi-rigid ingress pipe, the covered stnet of memorial alloy material is inserted the position of above anastomotic stoma 50cm to 1 meter, flexible protective casing covers anastomotic stoma downwards.After the protection period, support can not Self-discharged, still needs support to pull out from anus.On the impact of anastomotic stoma when pulling out for avoiding support, still need ingress pipe even colonoscope.When inserting this device, anastomotic stoma not yet grows firmly, be no matter by any method by this device by anastomotic stoma, have the danger of damage anastomotic stoma.And this device constructs and operates also more complicated, need manually to take out after surgery.
Utility model content
The purpose of this utility model is the deficiency overcoming existing rectum anastomotic stoma protector; there is provided a kind of easy and simple to handle; cost is low; different guard time can be selected according to patient profiles; protect rectum anastomotic stoma safely and reliably, postoperative certain hour can get rid of external surgery device from anus voluntarily.
this utility model is achieved in that
This novel intestinal internal bypass device, by a retainer ring, a protective sleeve with insert aid and form.One end of protective sleeve relies on its elasticity to be tightened in the outside of retainer ring, and the other end opens and to be positioned at below retainer ring and to downward-extension 30-50cm, to cover bowel anastomosis mouth and also stretch out outside anus.
Its thin and thick of described protective sleeve and material, be equal to the condom used in life, as: natural rubber or silica gel.On longitudinal surface of protective sleeve, with the bar that develops under X-ray, be beneficial to clinical follow rubber protecting jacket position.
Described retainer ring is the ring bodies axially having a mesopore, and its outer middle side part has a dark groove.Retainer ring is that absorbable material adds developing material and makes.The effect of retainer ring is ideal position protective sleeve being fixed on intestinal tube, and its method is: after retainer ring being placed on near-end intestinal tube correct position, outside intestinal tube, intestinal tube is fixed on central slot outside retainer ring with the tall line (4-0) of common vetch.Before retainer ring is absorbed decomposition, retainer ring and protective sleeve all can not produce slip and displacement.
Retainer ring external diameter can be 26,28,30, multiple specification such as 32mm, choice for use can be carried out according to near-end intestinal tube internal diameter, such as, estimate that enteric cavity internal diameter is 30mm, then select the retainer ring of 28mm external diameter.
Retainer ring is by medical PGA(polyglycolic acid) and PGLA(poly (glycolide-lactide)) add barium sulfate and make, by adjusting the ratio of PGA and PGLA, the absorption resolving time of retainer ring under certain wall thickness can be controlled.
Add barium sulfate, can develop under x-ray, as the method for postoperative evaluation retainer ring position and whether disintegrate.
The edge of retainer ring does passivation design, easy to use.
The axis of retainer ring has a mesopore, is that the intestinal contents come above intestinal tube enters protective sleeve inside by retainer ring, until discharge the passage outside anus.Along with the difference of retainer ring external diameter, the size of mesopore is also different, but the consistency of thickness of the retainer ring most thin section part of groove bosom distance mesopore inwall (namely outside retainer ring), ensure that the retainer ring of different size has same being decomposed the time.Such as retainer ring external diameter is 26mm, and depth of groove is 5mm, and thinnest part thickness is 3mm, then median pore diameter is 10mm; Retainer ring external diameter is 30mm, depth of groove and thinnest part thickness constant, median pore diameter is 14mm, by that analogy.
Retainer ring absorbs from thinnest part and decomposes in certain hour section, and lose fixation, excrete from anus, protective sleeve excretes immediately.
Describedly insert aid, be convenient instrument of the retainer ring connected together and protective sleeve being inserted intestinal tube, be made up of with the shell fragment of resilient clip, the spring be fixed between two shell fragments lever knob, handle both sides.
Insert aid, be a plastic handle, handle both sides are with resilient clip.During operation, resilient clip is stuck in the inner side of retainer ring.Aid is inserted in use to be placed in intestinal tube 5-10cm position above anastomotic stoma easily by retainer ring and protective sleeve.User arrests handle, after this device being put into intestinal canal anastomosis mouth upper end 5-10cm, is fixed in the outer groove of retainer ring, then pinches the resilient clip of lower handle both sides, can take out handle outside intestinal tube with the tall line (4-0) of common vetch by intestinal tube.
This utility model overcomes existing rectum anastomotic stoma protector complicated operation, and expensive shortcoming is that a kind of cost is low, easy and simple to handle, is convenient to clinical follow, can protect the new equipment of rectum anastomotic stoma safely and reliably.And this device according to patient profiles, according to the difference of guard time, can select different absorbable material, and after ensureing postoperative certain hour, this device can excrete from anus voluntarily.
Below in conjunction with drawings and Examples, this utility model is described further.
Accompanying drawing explanation
Fig. 1: the retainer ring schematic diagram of this utility model embodiment;
Fig. 2: the retainer ring of the present embodiment is connected rear shape and structure schematic diagram with protective sleeve;
Fig. 3: the present embodiment carries out the schematic diagram of intestinal canal anastomosis after being positioned over colon intestinal tube internal fixtion;
Fig. 4: the present embodiment is positioned over the schematic diagram of protection anastomotic stoma in colon intestinal tube;
Fig. 5: the organigram of inserting aid that the present embodiment uses.
In figure, 1 is retainer ring, and 2 is mesopores of retainer ring; 3 is the grooves outside retainer ring, and 4 is protective sleeves, and 5 is near-end intestinal tubes; 6 is far-end intestinal tubes; 7 is nail seats of digestive tract circular stapler, and 8 is handle ends of digestive tract circular stapler, and 9 is anastomotic stoma; 10 is insert aid; 11 shell fragments, 12 springs, 13 buttons.
Detailed description of the invention
Below in conjunction with drawings and Examples, this utility model is described further:
practical example 1a kind of intestinal internal bypass device
This device is by retainer ring 1, protective sleeve 4 and insert aid 10 and form, and protective sleeve 4 is fixed on the outside of retainer ring 1.
Retainer ring 1 is the circulus of band mesopore 2, outside fluted 3.The external diameter of retainer ring is 26-32mm, by medical PGA(polyglycolic acid) and PGLA(poly (glycolide-lactide)) add barium sulfate and make.
Insert aid 10, be a plastic handle, handle both sides are with shell fragment 11.
fig. 1for shape, the structure of retainer ring
In figure, retainer ring 1 is the ring bodies of band mesopore 2, and outside is arc, the fluted 3(degree of depth 0.5cm in middle part in outside, width 0.5cm).
Retainer ring 1 material is medical PGA(polyglycolic acid) and PGLA(poly (glycolide-lactide)) mixture, add barium sulfate and make, develop under X-ray.
fig. 2for shape, structure that retainer ring is connected with protective sleeve
In figure, protective sleeve 4 is connected to the outside of retainer ring 1, and its method of attachment is: the top of protective sleeve 4 and retainer ring 1 coupling part, and its bore is less than the about 10mm of retainer ring 1 external diameter, relies on the elasticity of natural rubber, ties tight outside retainer ring 1.Protective sleeve 4 is horn-likely be amplified to retainer ring 1 outside dimension gradually at retainer ring 1 with lower part.The lower end of protective sleeve 4 extends 30-50 centimetre downwards, covering protection bowel anastomosis mouth, and stretches out from anus;
The material of protective sleeve 4 is similar to the condom used in life, is natural rubber or silica gel etc., and develop under surface attachment X-ray bar, is beneficial to clinical follow protective sleeve position.
Protective sleeve 4 protects anastomotic stoma not by fecal pollution in intestinal tube.Protective sleeve 4 is connected to the outside of retainer ring 1.Its method of attachment is: top and the retainer ring 1 coupling part bore of protective sleeve 4 are less than the about 10mm of retainer ring external diameter, relies on the elasticity of natural rubber, ties tight outside retainer ring.During use; after retainer ring 1 being placed on near-end intestinal tube correct position, with the fixing intestinal tube of the tall line (4-0) of common vetch after retainer ring, protective sleeve 4 is sandwiched in the middle of intestinal tube inwall and retainer ring 1; feces would not flow into outside protective sleeve, only can flow into inside protective sleeve along the hollow space of retainer ring 1.Protective sleeve 4 development length is 30cm-50cm, can meet the anastomotic stoma defencive function at sigmoid colon and rectum position.Protective sleeve 4 thin and thick and material are similar to the condom used in life, open-ended, do not use frontly curlingly to be placed in below anastomosis ring, and end is fixed with draught line.Proceed to the Anastomat hemorrhoidal circumcision stage during operation, draught line can be fixed on the anastomat nail seat top all known in industry, be beneficial to when pulling out anastomat and in passing protective sleeve is extracted anus.
fig. 3after the present embodiment is positioned over colon intestinal tube internal fixtion, carry out the schematic diagram of intestinal canal anastomosis
As shown in Figure 3, this device is inserted 5-10 centimetre on excision one section of colon or retrorectal near-end intestinal tube 5; With common vetch tall line (4-0), intestinal tube 5 is fixed on the outside groove 3 of the present embodiment 1 outside intestinal tube 5.Now, protective sleeve 4 is sandwiched between near-end intestinal tube 5 and retainer ring 1.Intestinal contents cannot enter outside protective sleeve after coming from top, can be downward through, enter inside protective sleeve 4 from the mesopore of protection ring, until discharge anus.After fixing retainer ring 1, unclamp and insert aid and exit.Protective sleeve 4 end is fixed with draught line; draught line is connected with nail seat 7 top of the digestive tract circular stapler all known in industry; then nail seat end 7 is inserted near-end intestinal tube 5; anastomotic stoma upper end is fixed on by the method for purse string suture; the handle end 8 of digestive tract circular stapler stretches into (general selection anus is entrance) in the Retrocolic far-end intestinal tube 6 of excision one section, carries out alimentary tract anastomosis with nail seat end.Curlingly before protection rubber sleeve 4 coincide to be placed in below retainer ring, and to be connected with draught line with nail seat end 7, after coincideing, nail seat end 7 is integrated with handle end 8 one-tenths, protective sleeve 4 in company with handle end 8 together from anus pull-out, then protective sleeve 4 stretching, extension covering downwards anastomotic stoma.
fig. 4for the present embodiment is positioned over the situation schematic diagram protecting anastomotic stoma in colon intestinal tube;
As shown in Figure 4; outside groove 3 is fixed on 5-10 centimeters on anastomotic stoma 7; now protective sleeve 4 is sandwiched between intestinal tube 5 and retainer ring 1; after intestinal contents comes from top; cannot enter outside protective sleeve 4, and can be downward through from the mesopore of protection ring, enter inside protective sleeve 4; until outflow anus, anastomotic stoma can not be polluted.Complete the anastomotic stoma 9 after coincideing with digestive tract circular stapler, the protected cover 4 in inner side covers.
fig. 5what use for the present embodiment inserts aid schematic diagram;
Inserting aid 10 is in hollow tubular handle, have two shell fragments 11, and the front end of shell fragment withstands on the inwall of the hollow space of retainer ring 1; Two shell fragments withstand on the hollow pipe inwall of the present embodiment by spring 12.Insert retainer ring and fixing with intestinal tube 5 after, depress two buttons 13 be connected with shell fragment 11, unclamp shell fragment 11 top, can take out and insert aid 10.
Preferred as one, also can select certain elastic plastic material, make shell fragment 11 self have the strength flicked laterally, not need to use spring.Depress the button be connected with shell fragment just can unclamp shell fragment equally.
When the present embodiment uses, first select the size dimension of retainer ring 1 according to the thickness of near-end intestinal tube 5, answer the retainer ring that Selection radio intestinal tube size is smaller, such as intestinal tube is 30mm diameter, then need the retainer ring selecting 28mm diameter.The instrument of inserting 10 taking out the good retainer ring of sterilizing and be stuck, hand-heldly inserts instrument 10, the present embodiment is inserted 5-10cm place in near-end intestinal tube 5.
Be fixed in the outside groove of retainer ring with the tall line (4-0 model) of common vetch by intestinal tube 5 ligation outside intestinal tube 5, ligation should not be too tight.Now, between protective sleeve 4 is sandwiched in outside intestinal wall and retainer ring, the outside of protective sleeve 4 cannot be entered from the intestinal contents of near-end intestinal tube 5, the inner side of protective sleeve 4 can only be flowed into from the hollow pipe 2 of retainer ring 1.
After ligation, press the shell fragment 11 of the handle both sides inserting aid 10, aid 10 will be inserted and take out.Again the end of protective sleeve 4 is connected with the intestinal canal anastomosis device nail seat 7 preparing to use, like this after use anastomat completes intestinal canal anastomosis, when pulling out intestinal canal anastomosis device from anus, just in passing protective sleeve 4 is pulled out anus.
Be placed in the retainer ring 1 12-20 days after surgery (temporary type) above anastomotic stoma 9 or 20-30 days (long time type) decomposition in the present embodiment, retainer ring 1 is discharged from anus immediately, and protective sleeve 4 is also discharged from anus, completes the object of provisional protection anastomotic healing.
Claims (4)
1. the novel intestinal internal bypass device can automatically discharged, is characterized in that: by a retainer ring (1), a protective sleeve (4) with insert aid (10) and form; One end of protective sleeve (4) relies on its elasticity to be tightened in the outside of retainer ring, and the other end opens and to be positioned at below retainer ring and to downward-extension 30-50cm, to cover bowel anastomosis mouth (9) and also stretch out outside anus;
Describedly insert aid (10); be the instrument of the retainer ring connected together (1) and protective sleeve (4) being inserted intestinal tube, be made up of with the shell fragment (11) of resilient clip, the spring (12) be fixed between two shell fragments lever knob (13), handle both sides.
2. intestinal internal bypass device according to claim 1, is characterized in that: described retainer ring (1) is the ring bodies axially having a mesopore (2), and its outer middle side part has a dark groove (3).
3. intestinal internal bypass device according to claim 1, is characterized in that: the material of described protective sleeve (4) is natural rubber or silica gel.
4. intestinal internal bypass device according to claim 1, is characterized in that: on longitudinal surface of protective sleeve (4), with the bar that develops under X-ray, is beneficial to clinical follow rubber protecting jacket position.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420464497.8U CN204169953U (en) | 2014-08-18 | 2014-08-18 | A kind of novel intestinal internal bypass device that can automatically discharge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420464497.8U CN204169953U (en) | 2014-08-18 | 2014-08-18 | A kind of novel intestinal internal bypass device that can automatically discharge |
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| CN204169953U true CN204169953U (en) | 2015-02-25 |
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| CN201420464497.8U Expired - Fee Related CN204169953U (en) | 2014-08-18 | 2014-08-18 | A kind of novel intestinal internal bypass device that can automatically discharge |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105078535A (en) * | 2015-09-06 | 2015-11-25 | 蔡秀军 | Directional disintegrating traceable intestinal anastomosis stent |
| CN105361917A (en) * | 2015-12-21 | 2016-03-02 | 苏州天臣国际医疗科技有限公司 | Intestinal anastomotic stoma protecting device |
| CN110327141A (en) * | 2019-07-22 | 2019-10-15 | 上海交通大学医学院附属仁济医院 | Degradable Colon and rectum internal bypass device and preparation method thereof |
| CN111225631A (en) * | 2017-10-19 | 2020-06-02 | 赛菲健康公司 | Composite surgical device for performing anastomosis and protecting the anastomotic part |
| US11857191B2 (en) | 2011-07-25 | 2024-01-02 | Charam Khosrovaninejad | Method of chirurgical treatment using a surgical anchor device |
| US12137911B1 (en) | 2011-07-25 | 2024-11-12 | Charam Khosrovaninejad | Surgical device for controlled anchoring in the intestine |
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2014
- 2014-08-18 CN CN201420464497.8U patent/CN204169953U/en not_active Expired - Fee Related
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11857191B2 (en) | 2011-07-25 | 2024-01-02 | Charam Khosrovaninejad | Method of chirurgical treatment using a surgical anchor device |
| US12042148B2 (en) | 2011-07-25 | 2024-07-23 | Charam Khosrovaninejad | Surgical device for controlled anchoring in the intestine |
| US12048433B2 (en) | 2011-07-25 | 2024-07-30 | Charam Khosrovaninejad | Surgical device for controlled anchoring in the intestine |
| US12137911B1 (en) | 2011-07-25 | 2024-11-12 | Charam Khosrovaninejad | Surgical device for controlled anchoring in the intestine |
| CN105078535A (en) * | 2015-09-06 | 2015-11-25 | 蔡秀军 | Directional disintegrating traceable intestinal anastomosis stent |
| CN105078535B (en) * | 2015-09-06 | 2018-06-01 | 浙江大学 | Orientation is disintegrated traceable duct jejunum anastomotic scaffold |
| CN105361917A (en) * | 2015-12-21 | 2016-03-02 | 苏州天臣国际医疗科技有限公司 | Intestinal anastomotic stoma protecting device |
| CN105361917B (en) * | 2015-12-21 | 2017-11-21 | 苏州天臣国际医疗科技有限公司 | Bowel anastomosis mouth protection device |
| CN111225631A (en) * | 2017-10-19 | 2020-06-02 | 赛菲健康公司 | Composite surgical device for performing anastomosis and protecting the anastomotic part |
| US11871929B2 (en) | 2017-10-19 | 2024-01-16 | SafeHeal SAS | Complex surgical device for carrying out and protecting an anastomosis |
| US12042150B2 (en) | 2017-10-19 | 2024-07-23 | SafeHeal SAS | Systems and methods for introducing a device for protecting an anastomosis |
| CN110327141A (en) * | 2019-07-22 | 2019-10-15 | 上海交通大学医学院附属仁济医院 | Degradable Colon and rectum internal bypass device and preparation method thereof |
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Legal Events
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150225 Termination date: 20180818 |
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| CF01 | Termination of patent right due to non-payment of annual fee |