CN201939454U - Spiral puncture device with pneumoperitoneum device - Google Patents
Spiral puncture device with pneumoperitoneum device Download PDFInfo
- Publication number
- CN201939454U CN201939454U CN2010205505279U CN201020550527U CN201939454U CN 201939454 U CN201939454 U CN 201939454U CN 2010205505279 U CN2010205505279 U CN 2010205505279U CN 201020550527 U CN201020550527 U CN 201020550527U CN 201939454 U CN201939454 U CN 201939454U
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- core bar
- pneumoperitoneum
- sheath
- cannula sheath
- pin
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Abstract
The utility model provides a spiral puncture device with a pneumoperitoneum device with characterized by simple operation and safe use. The spiral puncture device comprises a bushing sheath with a handle at the tail end and a core bar with a core bar base at the tail end, the core bar is a hollow pipe, the front end is provided with a needle hole, the inner cavity of the core bar is successively provided with a pneumoperitoneum needle with a resetting device, and an air duct along the front end of the core bar to the tail end of the core bar, the needle head of the pneumoperitoneum extending out of the core bar from the needle hole, the air duct sleeves the external of the tail end of the pneumoperitoneum needle; one end of the resetting device is connected with the air duct and fixed on the inner wall of the bushing sheath, and the other end of the resetting device is fixed on the pneumoperitoneum; when the bushing sheath provided with the handle combines the core bar provided with the core bar base, and the front end of the core bar completely extends out of the bushing sheath, the core bar side wall at a lower part of a rubber check valve is provided with an air hole, an upper end opening of the air duct does not board the inner wall of the core bar base. The spiral puncture device in the utility model is advantaged by simple operation, reduction of operation risk, etc.
Description
Technical field
This utility model relates to a kind of medical apparatus and instruments, particularly a kind of spiral perforator with the pneumoperitoneum device.
Background technology
Laparoscopic surgery generally all adopts the pneumoperitoneum pin to set up pneumoperitoneum earlier at present, punctures by perforator more afterwards, and the time that undergos surgery like this is longer, and advances in the process of abdomen in puncture, causes damage easily.The posterior peritoneum trunk damage incidence rate that laparoscopic surgery first puncture causes is 0.05% one 0.11%; Laparoscopic cholecystectomy (LC), the Chang Bingfa blood vessel injury owing to use apparatus such as pneumoperitoneum pin, puncture awl, the blood vessel injury case fatality rate is 0.02%, accounts for 21.9% of LC death toll; Abdominal paracentesis pneumoperitoneum pin, perforator damage nethike embrane blood vessel, intestinal tube, the case of liver or other histoorgans happens occasionally.
Summary of the invention
The purpose of this utility model is to provide the spiral perforator of band pneumoperitoneum device a kind of easy and simple to handle, safe in utilization.
The purpose of this utility model is achieved in that it is made of the cannula sheath of afterbody band handle and the core bar of afterbody belt carcass pole socket, and the side of handle is provided with the breather of band air valve, and intracavity of handle is provided with and the co-axial rubber check valve of cannula sheath; The handle afterbody is provided with the opening of and UNICOM coaxial with cannula sheath, and the opening that the logical handle of described core bar is provided with inserts in the cannula sheath, and core bar stretches into cannula sheath to the end, and the front end of core bar will extend cannula sheath; Described core bar is a hollow pipe, and front end is provided with pin hole, and the core bar inner chamber is provided with pneumoperitoneum pin, the airway of being with resetting means successively along core bar front end to core bar end, and the syringe needle of pneumoperitoneum pin is outside pin hole extends core bar, and airway is sheathed on outside the pneumoperitoneum pin end; One end of described resetting means is connected in airway and is fixed on the cannula sheath inwall, and the other end of resetting means is fixed on the pneumoperitoneum pin; When the core bar combination of cannula sheath and the belt carcass pole socket of band handle and core bar front end extended cannula sheath fully, the core bar sidewall that is positioned at below the rubber check valve was provided with passage, and the upper end open of airway and core bar seat inwall are not bordered on.
Advantage of the present utility model is 1, easy and simple to handle, shortens to a step by two original steps, has saved operating time; 2, the syringe needle place adopts the passivation design, can avoid syringe needle to enter and scratch blood vessel or tissue in the abdominal cavity body, reduced risk unnecessary in the operation process, 3, the perforator outer wall adopts the screw-type design, by the mode that continues unidirectional rotation perforator is sent into intraperitoneal, can control the speed and the degree of depth that perforator enters the abdominal cavity, avoid, cause the damage of blood vessel behind abdominal cavity or the peritoneum or internal organs because of entering fast.4, set up locating ring, can guarantee in operation process, can not touch perforator and cause perforator to insert the depths, abdominal cavity, cause the damage of blood vessel or internal organs because of the patient.
Description of drawings
Fig. 1 is a structural representation of the present utility model;
Fig. 2 is a sectional side view of the present utility model;
Fig. 3 is the partial enlarged drawing of this utility model core bar front end;
Fig. 4 is the structural representation of the core bar of belt carcass pole socket;
Fig. 5 is the structural representation of the cannula sheath of band handle;
Fig. 6 sets up structural representation behind the locating ring for Fig. 4.
Label declaration
1 handle, 2 cannula sheaths, 3 core bar seats, 4 core bars, 5 air valves, 6 breathers, 7 rubber check valves, 8 openings;
11 needle outlets, 12 pneumoperitoneum pins, 13 airways, 14 passages, 21 retainer rings, 22 springs, 23 loose collars, 31 pin holes, 41 form holes, 51 secondary openings, 52 sealing rings, 61 sheath screw threads, 62 bar screw threads, 71 locating rings.
The specific embodiment
Shown in Fig. 1 ~ 5: it is made of the cannula sheath 2 of afterbody band handle 1 and the core bar 4 of afterbody belt carcass pole socket 3, during use, core bar stretched into cannula sheath and make the core bar seat and the handle touching after, the core bar front end will extend the subregion from the cannula sheath front end, hold handle and core bar seat afterwards this utility model is continued the unidirectional intraperitoneal that rotates to, the side of handle is provided with the breather 6 of band air valve 5, be used to feed gas, keep the existence of pneumoperitoneum, intracavity of handle is provided with and the co-axial rubber check valve 7 of cannula sheath; Be used for increasing the frictional force between the cannula sheath of core bar and band handle and keep air-tightness; The handle afterbody is provided with the opening 8 of and UNICOM coaxial with cannula sheath, the inlet of core bar when this opening is core bar and the cannula sheath combination of being with handle, the opening that core bar is provided with by handle inserts in the cannula sheath, core bar stretches into cannula sheath to the end, the front end of core bar will extend cannula sheath, wherein core bar is a hollow pipe, front end is provided with needle outlet 11, the core bar inner chamber is provided with pneumoperitoneum pin 12, the airway 13 of band resetting means successively along core bar front end to core bar end, the syringe needle of pneumoperitoneum pin is outside needle outlet extends core bar, and airway is sheathed on outside the pneumoperitoneum pin end; One end of described resetting means is connected in airway and is fixed on the cannula sheath inwall, and the other end of resetting means is fixed on the pneumoperitoneum pin; When the core bar combination of cannula sheath and the belt carcass pole socket of band handle and core bar front end extended cannula sheath fully, the core bar sidewall that is positioned at below the rubber check valve was provided with passage 14, and the upper end open of airway and core bar seat inwall are not bordered on.In case after pneumoperitoneum pin of the present utility model termination entered human abdominal cavity, the gas that enters from breather can enter human abdominal cavity by the space between passage, core bar and the airway, airway upper port, pneumoperitoneum pin successively, build pneumoperitoneum.
Described resetting means device comprises retainer ring 21, spring 22, the loose collar 23 that is arranged in order, described retainer ring is fixed on spring one end, loose collar is fixed on the spring other end, described pneumoperitoneum pin passes retainer ring, spring, loose collar, loose collar is near syringe needle one end of pneumoperitoneum pin, retainer ring is fixed on the cannula sheath inwall, and loose collar is fixedlyed connected with the pneumoperitoneum pin.Can guarantee like this to penetrate in the process of Musclar layer at this utility model, the pneumoperitoneum pin is contracted to core bar, does not influence the progress of penetrating, in case the pneumoperitoneum pin enters the abdominal cavity, the pneumoperitoneum pin will eject, thereby sets up the work of pneumoperitoneum.
Described pneumoperitoneum pin inner chamber is a hollow, the pneumoperitoneum pin terminal with mozzle UNICOM, pneumoperitoneum pin front end is provided with pin hole 31, and pin hole is arranged on the syringe needle sidewall, syringe needle is the passivation syringe needle.The purpose that the pin hole at syringe needle place is arranged on the pneumoperitoneum pin sidewall is the syringe needle passivation, can not stab internal organs or blood vessel, and is difficult for stopping up.
The pneumoperitoneum pin is fixedlyed connected with airway, and connection status is that syringe needle extends pin hole when resetting means is not under pressure.Described cannula sheath whole clearing, the core bar sidewall of handle and below, cannula sheath junction, cannula sheath offers form hole 41, airway and form hole corresponding side walls are provided with double-colored, described double-colored position is: when the pneumoperitoneum pin stretched out the pin hole state, airway showed a kind of color from the form hole; After the drive airway moved when the pneumoperitoneum pin receives that extruding is shunk, airway showed another kind of color from the form hole.Wherein adjust the position of passage, also can make passage realize the function in form hole, promptly at the core bar sidewall passage only need be set and get final product, double-colored of the airway sidewall is arranged on the corresponding position of passage and gets final product.
Core bar seat end wall is provided with the secondary openings 51 with the airway concentric, and secondary openings seals by layer of silica gel.When the pneumoperitoneum pin ejects, when colour code changes, adopt funnel to insert layer of silica gel, and extend in the airway, look at whether the water in the funnel can flow out, if meeting illustrates that the pneumoperitoneum pin wears out peritoneum, extract funnel, can inflate; Otherwise, then allowing perforator continue spiral and move ahead, the water in funnel flows out.Adopting silica gel, is because silica gel can be replied former state when funnel is extracted out, in gas replenishment process, can prevent that gas from revealing from secondary openings, influences the formation of pneumoperitoneum.
In the core bar front end does not extend the lateral wall of cannula sheath part or cannula sheath front end, survey on the wall and be provided with sealing ring 52, prevent that gas from revealing from the slit between core bar and the cannula sheath.
Be distributed with successive sheath screw thread 61 on the cannula sheath outer wall; The sheath screw thread is top with the end near the cannula sheath front end mouth of pipe, and the other end is a terminal, and the distance of the sheath screw thread top and the cannula sheath mouth of pipe is 0 ~ 3cm, and the distance of sheath screw thread terminal and cannula sheath and handle intersection is 0 ~ 3cm;
Core bar stretches into the part outer surface that cannula sheath to core bar seat contacts with handle afterwards, the front end of core bar will extend cannula sheath and also is provided with bar screw thread 62, and it is 0 ~ 1.5cm that bar screw thread top is positioned at apart from core bar front end end horizontal distance, and end extends in the cannula sheath top.
By screw thread is set, what can change perforator advances the abdomen mode, advances abdomen method or pressure at right angle by traditional twisting squash type and advances the abdomen method and become and continue coil and lunge the abdomen method, can control the speed that enters the abdominal cavity, reduces operation risk.
As shown in Figure 6: the cannula sheath outer wall also is provided with to rotate up and down outside cannula sheath and moves and fixed locating ring 71, and locating ring is the middle loop configuration that is provided with through hole, and through-hole aperture is slightly larger than the sheath outer diameter that punctures, and locating ring is set in outside the puncture sheath; Locating ring is arranged on puncture sheath outer wall and is provided with on the interval of sheath screw thread, and through-hole wall is provided with the female thread corresponding with the sheath screw thread.The height of locating ring can be regulated by the rotation locating ring, can prevent that by locating ring is set the patient from touching perforator and causing perforator to insert the depths, abdominal cavity, causes the situation of blood vessel or visceral organ injury.
Using method of the present utility model is as follows: cut osculum with scalpel at skin surface, skin is added with towel forceps hold and mention, the sleeve pipe perforator is inserted cutting section, because the syringe needle Passivation Treatment, syringe needle is subjected to tissue to push the retraction core bar to cause double-colored variable color; Directed rotation perforator, it is squeezed opens tissue and enters the abdominal cavity, after double-colored recovery color, illustrate that sleeve pipe perforator front end passes Musclar layer, the pneumoperitoneum pin receives that the resetting means influence resets, the funnel that water will be housed this moment inserts layer of silica gel and stretches in the airway, whether the water of observing in the funnel flows out, if flow out, illustrates that then sleeve pipe perforator front end do not wear out peritoneum, also need slow revoling tube perforator, water in funnel flows out, and illustrates that then pneumoperitoneum pin syringe needle enters the abdominal cavity fully, at this moment, deliver a gas to the abdominal cavity by breather again, set up pneumoperitoneum, after pneumoperitoneum is set up and finished, continue the sleeve pipe perforator is slowly rotated, make the cannula sheath front end enter the abdominal cavity, extract core bar afterwards out and get final product.
Claims (8)
1. spiral perforator with the pneumoperitoneum device, it is made of the cannula sheath (2) of afterbody band handle (1) and the core bar (4) of afterbody belt carcass pole socket (3), the side of handle is provided with the breather (6) of band air valve (5), and intracavity of handle is provided with and the co-axial rubber check valve of cannula sheath (7); The handle afterbody is provided with the opening (8) of and UNICOM coaxial with cannula sheath, and the opening that the logical handle of described core bar is provided with inserts in the cannula sheath, and core bar stretches into cannula sheath to the end, and the front end of core bar will extend cannula sheath; It is characterized in that: described core bar is a hollow pipe, front end is provided with needle outlet (11), the core bar inner chamber is provided with pneumoperitoneum pin (12), the airway (13) of band resetting means successively along core bar front end to core bar end, the syringe needle of pneumoperitoneum pin is outside needle outlet extends core bar, and airway is sheathed on outside the pneumoperitoneum pin end; One end of described resetting means is fixed on the cannula sheath inwall, and the other end of resetting means is fixed on the pneumoperitoneum pin; When the core bar combination of cannula sheath and the belt carcass pole socket of band handle and core bar front end extended cannula sheath fully, the core bar sidewall that is positioned at below the rubber check valve was provided with passage (14), and the upper end open of airway and core bar seat inwall are not bordered on.
2. the spiral perforator of band pneumoperitoneum device according to claim 1, it is characterized in that: described resetting means device comprises retainer ring (21), spring (22), the loose collar (23) that is arranged in order, described retainer ring is fixed on spring one end, loose collar is fixed on the spring other end, described pneumoperitoneum pin passes retainer ring, spring, loose collar, loose collar is near syringe needle one end of pneumoperitoneum pin, retainer ring also is fixed on the cannula sheath inwall, and loose collar is fixedlyed connected with the pneumoperitoneum pin.
3. the spiral perforator of band pneumoperitoneum device according to claim 1, it is characterized in that: described pneumoperitoneum pin inner chamber is a hollow, the terminal and airway UNICOM of pneumoperitoneum pin, and pneumoperitoneum pin front end is provided with pin hole (31), and pin hole is arranged on the syringe needle sidewall, and syringe needle is the passivation syringe needle.
4. the spiral perforator of band pneumoperitoneum device according to claim 1 is characterized in that: the pneumoperitoneum pin is fixedlyed connected with airway, and connection status is that syringe needle extends pin hole when resetting means is not under pressure; The cannula sheath whole clearing, handle and below, cannula sheath junction, core bar sidewall offer form hole (41), airway and form hole corresponding side walls are provided with double-colored, and described double-colored position is: when the pneumoperitoneum pin stretched out the pin hole state, airway showed a kind of color from the form hole; After the drive airway moved when the pneumoperitoneum pin receives that extruding is shunk, airway showed another kind of color from the form hole.
5. the spiral perforator of band pneumoperitoneum device according to claim 1 is characterized in that: core bar seat end wall is provided with the secondary openings (51) with the airway concentric, and secondary openings seals by layer of silica gel.
6. the spiral perforator of band pneumoperitoneum device according to claim 1 is characterized in that: survey on the wall in the core bar front end does not extend the lateral wall of cannula sheath part or cannula sheath front end and be provided with sealing ring (52).
7. the spiral perforator of band pneumoperitoneum device according to claim 1 is characterized in that: be distributed with successive sheath screw thread (61) on the cannula sheath outer wall; The sheath screw thread is top with the end near the cannula sheath front end mouth of pipe, and the other end is a terminal, and the distance of the sheath screw thread top and the cannula sheath mouth of pipe is 0 ~ 3cm, and the distance of sheath screw thread terminal and cannula sheath and handle intersection is 0 ~ 3cm;
Core bar stretches into the part outer surface that cannula sheath to core bar seat contacts with handle afterwards, the front end of core bar will extend cannula sheath and also is provided with bar screw thread (62), it is 0 ~ 1.5cm that bar screw thread top is positioned at apart from core bar front end end horizontal distance, and end extends in the cannula sheath top.
8. the spiral perforator of band pneumoperitoneum device according to claim 7, it is characterized in that: the cannula sheath outer wall also is provided with to rotate up and down outside cannula sheath and moves and fixed locating ring (71), locating ring is the middle loop configuration that is provided with through hole, through-hole aperture is slightly larger than puncture sheath outer diameter, and locating ring is set in outside the puncture sheath; Locating ring is arranged on puncture sheath outer wall and is provided with on the interval of sheath screw thread, and through-hole wall is provided with the female thread corresponding with the sheath screw thread.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205505279U CN201939454U (en) | 2010-09-30 | 2010-09-30 | Spiral puncture device with pneumoperitoneum device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205505279U CN201939454U (en) | 2010-09-30 | 2010-09-30 | Spiral puncture device with pneumoperitoneum device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201939454U true CN201939454U (en) | 2011-08-24 |
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ID=44466811
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010205505279U Expired - Fee Related CN201939454U (en) | 2010-09-30 | 2010-09-30 | Spiral puncture device with pneumoperitoneum device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201939454U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101947120A (en) * | 2010-09-30 | 2011-01-19 | 莫易凡 | Spiral puncture outfit with pneumoperitoneum device and use method thereof |
| CN109157266A (en) * | 2018-09-04 | 2019-01-08 | 施爱德（厦门）医疗器材有限公司 | Scalable puncture outfit with closure function |
| CN111281496A (en) * | 2020-02-10 | 2020-06-16 | 青岛大学附属医院 | Novel enterogastric surgery abdominal cavity operation puncture device |
-
2010
- 2010-09-30 CN CN2010205505279U patent/CN201939454U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101947120A (en) * | 2010-09-30 | 2011-01-19 | 莫易凡 | Spiral puncture outfit with pneumoperitoneum device and use method thereof |
| WO2012041240A1 (en) * | 2010-09-30 | 2012-04-05 | Mo Yifan | Spiral trocar with pneumoperitoneum device and use thereof |
| CN101947120B (en) * | 2010-09-30 | 2012-07-04 | 莫易凡 | Spiral puncture outfit with pneumoperitoneum device |
| CN109157266A (en) * | 2018-09-04 | 2019-01-08 | 施爱德（厦门）医疗器材有限公司 | Scalable puncture outfit with closure function |
| CN111281496A (en) * | 2020-02-10 | 2020-06-16 | 青岛大学附属医院 | Novel enterogastric surgery abdominal cavity operation puncture device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110824 Termination date: 20130930 |